/* yepgent.com — shared theme.
   Single source of truth for tokens, base typography, and layout.
   Page-specific bits stay inline in their own <style> block. */

:root {
  /* Dark theme (default). Accent canonized to #1db981 — same emerald hue
     family as BRAND light canon #0a8a5a, lifted only enough to clear WCAG AA
     on the dark page. Replaces the drifted mint #7cf5c4. See DESIGN.md. */
  --bg: #0e0f12;
  --fg: #e8e8ea;
  --muted: #8a8c92;
  --accent: #1db981;
  --accent-strong: #2fd497;
  --accent-soft: rgba(29, 185, 129, 0.13);
  --accent-edge: rgba(29, 185, 129, 0.32);
  --rule: #1f2127;
  --field-bg: #15171c;
  --field-edge: #262931;
  --card-bg: rgba(255, 255, 255, 0.025);
  --card-edge: rgba(255, 255, 255, 0.06);
  --shadow-tint: rgba(0, 0, 0, 0.45);

  /* Spacing scale (single non-linear ramp; px in comments). */
  --s-1: 0.25rem;  /* 4  */
  --s-2: 0.5rem;   /* 8  */
  --s-3: 0.75rem;  /* 12 */
  --s-4: 1rem;     /* 16 */
  --s-5: 1.5rem;   /* 24 */
  --s-6: 2rem;     /* 32 */
  --s-7: 3rem;     /* 48 */
  --s-8: 4rem;     /* 64 */
  --s-9: 6rem;     /* 96 */
  --s-10: 8rem;    /* 128 */

  /* Radii. Containers ≤12px; pills only for chips/buttons. */
  --r-field: 8px;
  --r-card: 12px;
  --r-pill: 999px;

  /* Motion. All usage is gated behind prefers-reduced-motion. */
  --dur-fast: 150ms;
  --dur: 280ms;
  --dur-slow: 640ms;
  --ease: cubic-bezier(.2, .6, .2, 1);

  --measure: 42rem;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafafa;
    --fg: #131418;
    --muted: #5e6068;
    --accent: #0a8a5a;
    --accent-strong: #0c7d54;
    --accent-soft: rgba(10, 138, 90, 0.10);
    --accent-edge: rgba(10, 138, 90, 0.30);
    --rule: #e6e7eb;
    --field-bg: #ffffff;
    --field-edge: #d6d8de;
    --card-bg: rgba(0, 0, 0, 0.02);
    --card-edge: rgba(0, 0, 0, 0.08);
    --shadow-tint: rgba(16, 34, 28, 0.10);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.55 ui-sans-serif, system-ui, -apple-system,
        "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  /* Soft ambient glow — subtle radial in the accent color, top-left.
     Adds warmth without becoming decoration. */
  background-image:
    radial-gradient(
      circle at 12% 8%,
      var(--accent-soft) 0%,
      transparent 38%
    );
  background-attachment: fixed;
}

main {
  max-width: 42rem;
  width: 100%;
  margin: 0 auto;
  padding: 1rem 1.25rem 4rem;
}

/* Site nav — sticky, lightweight, used on every page. */
header.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 0.5rem;
}
header.site-nav .brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--fg);
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
}
header.site-nav .brand:hover { color: var(--accent); }
header.site-nav .brand-glyph {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
}
header.site-nav nav {
  display: flex;
  gap: 1.1rem;
  font-size: 0.92rem;
}
header.site-nav nav a {
  color: var(--muted);
  text-decoration: none;
}
header.site-nav nav a:hover { color: var(--fg); }

/* Tight nav strip used on inner pages without the full header. */
nav.top {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 2.5rem;
}
nav.top a { color: var(--muted); text-decoration: none; }
nav.top a:hover { color: var(--fg); }

/* Headings ---------------------------------------------------- */
h1 {
  font-size: clamp(2rem, 5.5vw, 3rem);
  letter-spacing: -0.02em;
  margin: 1.5rem 0 0.5rem;
  font-weight: 700;
  line-height: 1.12;
}
h1 .dot { color: var(--accent); }

h2 {
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  margin: 2.5rem 0 0.75rem;
  font-weight: 600;
}

h3 {
  font-size: 1rem;
  letter-spacing: 0;
  margin: 1.25rem 0 0.4rem;
  font-weight: 600;
}

p { margin: 0 0 1rem; }
p.lede {
  font-size: 1.08rem;
  margin: 0.5rem 0 1.25rem;
}
.muted, p.muted, .small.muted { color: var(--muted); }
p.small, .small { font-size: 0.85rem; }

/* Inline links: underlined by default so the affordance survives
   color-blindness / bright-screen conditions. Half-opacity rule that
   firms up on hover keeps the look quiet but unambiguous. */
a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in oklab, var(--accent) 45%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: text-decoration-color 120ms ease;
}
a:hover { text-decoration-color: var(--accent); }

hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 2.5rem 0;
}

code, pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
code {
  font-size: 0.92em;
  background: color-mix(in oklab, var(--fg) 8%, transparent);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}
pre {
  background: var(--field-bg);
  border: 1px solid var(--field-edge);
  border-radius: 8px;
  padding: 0.85rem 0.9rem;
  overflow-x: auto;
  font-size: 0.85rem;
  margin: 0.4rem 0 0.6rem;
}
pre code {
  background: transparent;
  padding: 0;
  font-size: inherit;
}

footer {
  margin-top: 3rem;
  color: var(--muted);
  font-size: 0.85rem;
}
/* Footer links: muted by default, no underline (footer text already
   feels structural). Hover surfaces both color and underline so the
   affordance still resolves. */
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--fg); text-decoration: underline; text-decoration-color: var(--fg); }

/* Blinking cursor accent on the home tagline. */
.blink {
  display: inline-block;
  width: 0.55ch;
  background: var(--accent);
  animation: blink 1.1s steps(1) infinite;
  transform: translateY(0.1em);
}
@keyframes blink { 50% { opacity: 0; } }

/* Hero (home page) ------------------------------------------ */
.hero { margin-top: 1rem; }

/* CTA buttons ----------------------------------------------- */
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.25rem 0;
}
.cta {
  display: inline-block;
  font: inherit;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: filter 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  text-decoration: none;
}
.cta.primary {
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
}
.cta.primary:hover { filter: brightness(1.08); text-decoration: none; }
.cta.secondary {
  color: var(--fg);
  background: transparent;
  border-color: var(--field-edge);
}
.cta.secondary:hover { border-color: var(--accent); color: var(--accent); }
button.ghost {
  font: inherit;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--field-edge);
  padding: 0.45rem 0.85rem;
  border-radius: 6px;
  cursor: pointer;
}
button.ghost:hover { color: var(--fg); border-color: var(--fg); }

/* Subscribe form -------------------------------------------- */
.subscribe { margin: 2rem 0 1rem; }
.subscribe p.note {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0.6rem 0 0;
}
.subscribe-form {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 0.4rem 0 0;
}
.subscribe-form input[type="email"],
.subscribe-form input[type="text"] {
  flex: 1 1 14rem;
  min-width: 0;
  font: inherit;
  color: var(--fg);
  background: var(--field-bg);
  border: 1px solid var(--field-edge);
  border-radius: 6px;
  padding: 0.65rem 0.75rem;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.subscribe-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-edge);
}
.subscribe-form button {
  font: inherit;
  color: var(--bg);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 0.65rem 1.1rem;
  cursor: pointer;
  font-weight: 600;
  transition: filter 0.15s ease;
}
.subscribe-form button:hover { filter: brightness(1.08); }
.subscribe-form button:active { filter: brightness(0.95); }

/* Status line under forms. */
.status {
  font-size: 0.92rem;
  margin: 0.6rem 0 0;
  min-height: 1.2em;
}
.status[data-kind="ok"]      { color: var(--accent); }
.status[data-kind="error"]   { color: #ff8585; }
.status[data-kind="pending"] { color: var(--muted); }

/* Visually-hidden helper for accessibility labels. */
.vh {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

/* Honeypot: hidden from humans (off-screen + no pointer events + no tab
   stop). Bots that auto-fill every named input populate it; the server
   silently drops those submissions. Not display:none — some bots skip
   that as a tell. */
.honeypot {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px; height: 1px;
  overflow: hidden;
  pointer-events: none;
}

/* Agents section (home) ------------------------------------- */
.agents-section { margin-top: 1rem; }
ul.agent-grid {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
}
@media (min-width: 32rem) {
  ul.agent-grid { grid-template-columns: 1fr 1fr; }
  ul.agent-grid li:first-child { grid-column: 1 / -1; }
}
ul.agent-grid li {
  background: var(--card-bg);
  border: 1px solid var(--card-edge);
  border-radius: 10px;
  padding: 1rem 1.1rem;
}
ul.agent-grid li h3 { margin-top: 0; }
ul.agent-grid li p { margin: 0.2rem 0 0.5rem; color: var(--muted); }
ul.agent-grid li pre { margin-top: 0.5rem; }

/* Account dashboard ----------------------------------------- */
.account-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}
.account-head h2 { margin: 0 0 0.1rem; }

.profile-form {
  display: grid;
  gap: 0.85rem;
  margin: 0.5rem 0 0;
}
.profile-form > label,
.profile-form fieldset > label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.92rem;
  color: var(--muted);
}
.profile-form input[type="text"],
.profile-form input[type="email"] {
  font: inherit;
  color: var(--fg);
  background: var(--field-bg);
  border: 1px solid var(--field-edge);
  border-radius: 6px;
  padding: 0.55rem 0.7rem;
  outline: none;
}
.profile-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-edge);
}
.profile-form fieldset.agent-fieldset {
  border: 1px solid var(--field-edge);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  display: grid;
  gap: 0.7rem;
  margin: 0;
}
.profile-form fieldset.agent-fieldset legend {
  padding: 0 0.4rem;
  color: var(--muted);
  font-size: 0.88rem;
}
.check-row {
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  gap: 0.5rem;
  color: var(--fg);
}

details.agent-help {
  margin-top: 1.5rem;
  border: 1px solid var(--field-edge);
  border-radius: 8px;
  padding: 0.6rem 1rem;
  background: var(--card-bg);
}
details.agent-help summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.92rem;
}
details.agent-help[open] summary { color: var(--fg); }
details.agent-help pre { margin: 0.6rem 0; }

/* Blog index post list -------------------------------------- */
ul.posts {
  list-style: none;
  padding: 0;
  margin: 0;
}
ul.posts li {
  padding: 1.25rem 0;
  border-top: 1px solid var(--rule);
}
ul.posts li:last-child { border-bottom: 1px solid var(--rule); }
ul.posts a.post-title {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in oklab, var(--accent) 40%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
  font-weight: 600;
  font-size: 1.1rem;
}
ul.posts a.post-title:hover { text-decoration-color: var(--accent); }
ul.posts a.read-more {
  display: inline-block;
  margin-top: 0.6rem;
  color: var(--accent);
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}
ul.posts a.read-more .arrow {
  display: inline-block;
  margin-left: 0.2em;
  transition: transform 150ms ease;
}
ul.posts a.read-more:hover .arrow { transform: translateX(3px); }
ul.posts time {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 0.35rem;
  font-variant-numeric: tabular-nums;
}
ul.posts p {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Honeypot — kept around in case any future form uses it. */
.hp-field {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ── Dashboard ──────────────────────────────────────────── */
.dashboard-hero {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin: 0 0 2rem;
}
.avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--field-bg);
  border: 1px solid var(--rule);
  flex-shrink: 0;
}
.dashboard-meta { min-width: 0; }
.dashboard-meta h2 { margin: 0 0 0.15rem; font-size: 1.2rem; }
.dashboard-meta p  { margin: 0; }

.stat-row {
  display: flex;
  gap: 1.5rem;
  margin: 0 0 2rem;
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-num  { font-size: 1.6rem; font-weight: 700; line-height: 1; }
.stat-label{ font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }

.social-inputs { display: grid; gap: 0.5rem; }
.social-row     { display: flex; gap: 0.5rem; align-items: center; }
.social-row span{ width: 5rem; font-size: 0.85rem; color: var(--muted); flex-shrink: 0; }
.social-row input{ flex: 1; }

/* ── Comments ───────────────────────────────────────────── */
.comments-section { margin: 3rem 0 0; border-top: 1px solid var(--rule); padding-top: 2rem; }
.comments-section h2 { margin: 0 0 1.5rem; }

.comments-list { display: flex; flex-direction: column; gap: 1.2rem; margin: 0 0 2rem; }

.comment {
  border-left: 2px solid var(--rule);
  padding: 0 0 0 0.9rem;
}
.comment-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 0.3rem;
  font-size: 0.85rem;
}
.comment-author { font-weight: 600; }
.comment-time   { color: var(--muted); }
.comment-body   { font-size: 0.95rem; line-height: 1.6; white-space: pre-wrap; word-break: break-word; }
.comment-replies{ margin: 0.9rem 0 0 1rem; display: flex; flex-direction: column; gap: 0.9rem; }

.comment-form { display: flex; flex-direction: column; gap: 0.6rem; margin: 1rem 0 0; }
.comment-form textarea {
  width: 100%;
  min-height: 80px;
  padding: 0.5rem 0.65rem;
  background: var(--field-bg);
  border: 1px solid var(--rule);
  border-radius: 4px;
  color: var(--fg);
  font: inherit;
  resize: vertical;
  box-sizing: border-box;
}
.comment-form textarea:focus { outline: 2px solid var(--accent); }
.comment-status { min-height: 1.2em; }

button.small { font-size: 0.8rem; padding: 0.15rem 0.5rem; }

/* ── Avatar upload (dashboard hero) ─────────────────────── */
.avatar-wrap {
  position: relative;
  width: 64px;
  height: 64px;
  flex-shrink: 0;
}
.avatar-wrap .avatar { display: block; }
.avatar-edit-btn {
  position: absolute;
  right: -4px;
  bottom: -4px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: 2px solid var(--bg);
  font-size: 0.85rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  box-shadow: 0 1px 3px rgba(0,0,0,.25);
}
.avatar-edit-btn:hover  { filter: brightness(1.1); }
.avatar-edit-btn:focus  { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Avatar in comments. */
.comment-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--field-bg);
  border: 1px solid var(--rule);
  flex-shrink: 0;
  object-fit: cover;
}

/* Announcement strip (home) --------------------------------- */
.announcement-wrap {
  max-width: 42rem;
  width: 100%;
  margin: 0 auto;
  padding: 0.6rem 1.25rem 0;
  display: flex;
  justify-content: center;
}
.announcement {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.95rem;
  background: var(--accent-soft);
  border: 1px solid var(--accent-edge);
  border-radius: 999px;
  color: var(--fg);
  text-decoration: none;
  font-size: 0.95rem;
  isolation: isolate;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
  animation: announcementGlow 3.2s ease-in-out infinite;
}
.announcement:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}
.announcement-tag {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--accent-edge);
  border-radius: 4px;
  padding: 0.05rem 0.4rem;
}
.announcement-arrow {
  color: var(--accent);
  transition: transform 0.2s ease;
}
.announcement:hover .announcement-arrow {
  transform: translateX(3px);
}

@keyframes announcementGlow {
  0%, 100% {
    box-shadow:
      0 0 0 0 var(--accent-edge),
      0 0 14px -2px var(--accent-soft);
  }
  50% {
    box-shadow:
      0 0 0 4px transparent,
      0 0 22px 2px var(--accent-edge);
  }
}

@media (prefers-reduced-motion: reduce) {
  .announcement { animation: none; }
  .announcement:hover { transform: none; }
  .announcement-arrow { transition: none; }
}

/* Interest form (/interest/) -------------------------------- */
ul.plain-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  gap: 0.85rem;
}
ul.plain-list li {
  background: var(--card-bg);
  border: 1px solid var(--card-edge);
  border-radius: 10px;
  padding: 0.9rem 1rem;
}
ul.plain-list li strong { display: block; margin-bottom: 0.2rem; }

.interest-form {
  display: grid;
  gap: 1rem;
  margin: 0.6rem 0 0;
  max-width: 32rem;
}
.interest-form .field {
  display: grid;
  gap: 0.35rem;
}
.interest-form .field-label {
  font-size: 0.92rem;
  color: var(--fg);
}
.interest-form input[type="text"],
.interest-form input[type="email"],
.interest-form select,
.interest-form textarea {
  font: inherit;
  color: var(--fg);
  background: var(--field-bg);
  border: 1px solid var(--field-edge);
  border-radius: 6px;
  padding: 0.6rem 0.7rem;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  width: 100%;
}
.interest-form textarea {
  resize: vertical;
  min-height: 5rem;
  font-family: inherit;
}
.interest-form input:focus,
.interest-form select:focus,
.interest-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-edge);
}
.interest-form fieldset.field {
  border: 1px solid var(--field-edge);
  border-radius: 6px;
  padding: 0.6rem 0.75rem 0.7rem;
}
.interest-form fieldset.field legend.field-label {
  padding: 0 0.35rem;
}
.interest-form .radio {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0;
  font-size: 0.95rem;
  cursor: pointer;
}
.interest-form .radio input[type="radio"] {
  accent-color: var(--accent);
}
.interest-form label.checkbox {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.95rem;
  cursor: pointer;
}
.interest-form label.checkbox input[type="checkbox"] {
  accent-color: var(--accent);
}
.interest-form .conditional.hidden {
  display: none;
}
.interest-form button[type="submit"] {
  font: inherit;
  color: var(--bg);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 0.7rem 1.2rem;
  cursor: pointer;
  font-weight: 600;
  transition: filter 0.15s ease;
  justify-self: start;
}
.interest-form button[type="submit"]:hover { filter: brightness(1.08); }
.interest-form button[type="submit"]:active { filter: brightness(0.95); }

/* ---------- /interest layout (two-column with sticky form) ---------- */

.interest-page .interest-main {
  max-width: 64rem;
  margin: 0 auto;
  padding: 1rem 1.25rem 3rem;
}

.interest-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(20rem, 22rem);
  gap: 2.5rem;
  align-items: start;
}

.interest-content { min-width: 0; }
.interest-content hr { margin: 2rem 0; }

.interest-aside { min-width: 0; }

.interest-form-wrap {
  position: sticky;
  top: 1rem;
}

.interest-form-section {
  background: var(--field-bg);
  border: 1px solid var(--field-edge);
  border-radius: 10px;
  padding: 1.25rem 1.25rem 1.4rem;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}
.interest-form-section h2 {
  margin-top: 0;
  margin-bottom: 0.4rem;
  font-size: 1.25rem;
}
.interest-form-section .muted.small {
  margin-top: 0;
  margin-bottom: 1rem;
}

.interest-hero {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1.5rem;
}
.interest-hero-text { flex: 1 1 auto; min-width: 0; }
.interest-hero-text h1 { margin-top: 0; }
.interest-hero-art {
  flex: 0 0 auto;
  width: 14rem;
  max-width: 40%;
  height: auto;
  align-self: center;
}

.muted.small { font-size: 0.92rem; }

ul.plain-list.compact {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  gap: 1rem;
}
ul.plain-list.compact li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  line-height: 1.5;
}
ul.plain-list.compact li strong {
  display: block;
  margin-bottom: 0.15rem;
}

.bullet-icon {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 0.15rem;
}

/* Mobile: stack columns, drop sticky */
@media (max-width: 720px) {
  .interest-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .interest-form-wrap {
    position: static;
    top: auto;
  }
  .interest-hero {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .interest-hero-art {
    width: 10rem;
    max-width: 50%;
  }
}

/* =================================================================
   HOMEPAGE REDESIGN (2026-06-06) — functionalist editorial + terminal.
   Scrolled-nav, hero mesh, drawn sprout, scroll-reveal, memory panel,
   refined cards. All motion gated behind prefers-reduced-motion. See
   DESIGN.md. Scoped to elements/classes added in index.html so inner
   pages are untouched.
   ================================================================= */

/* --- Sticky nav: hairline + blur once scrolled ------------------ */
header.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              backdrop-filter var(--dur) var(--ease);
}
header.site-nav.scrolled {
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom-color: var(--rule);
}
/* Drawn-sprout animation: stroke draws on, leaves fill in. */
.brand-glyph .glyph-stem {
  stroke-dasharray: 120;
  stroke-dashoffset: 120;
  animation: sprout-draw 900ms var(--ease) 120ms forwards;
}
.brand-glyph .glyph-leaf {
  opacity: 0;
  transform-origin: 100px 110px;
  transform: scale(0.4);
  animation: sprout-leaf 520ms var(--ease) forwards;
}
.brand-glyph .glyph-leaf.leaf-2 { animation-delay: 720ms; }
.brand-glyph .glyph-leaf.leaf-1 { animation-delay: 560ms; }
@keyframes sprout-draw { to { stroke-dashoffset: 0; } }
@keyframes sprout-leaf {
  from { opacity: 0; transform: scale(0.4); }
  to   { opacity: 1; transform: scale(1); }
}

/* --- Hero: accent-mesh background + entrance --------------------- */
.hero {
  position: relative;
  isolation: isolate;
  overflow: clip; /* contain the bleed-out hero-mesh — no horizontal scroll */
}
.hero-mesh {
  position: absolute;
  inset: -20% -30% auto -30%;
  height: 130%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(40% 55% at 18% 22%, var(--accent-soft) 0%, transparent 70%),
    radial-gradient(38% 50% at 82% 8%, var(--accent-soft) 0%, transparent 72%);
  filter: blur(8px);
  opacity: 0.9;
  animation: mesh-drift 22s ease-in-out infinite alternate;
}
@keyframes mesh-drift {
  from { transform: translate3d(-2%, 0, 0) scale(1); }
  to   { transform: translate3d(3%, 2%, 0) scale(1.08); }
}
/* Staggered entrance for hero children. */
.hero > .reveal-up { opacity: 0; transform: translateY(14px); }
.hero.ready > .reveal-up {
  animation: rise-in var(--dur-slow) var(--ease) forwards;
}
.hero.ready > .reveal-up:nth-child(2) { animation-delay: 90ms; }
.hero.ready > .reveal-up:nth-child(3) { animation-delay: 180ms; }
.hero.ready > .reveal-up:nth-child(4) { animation-delay: 260ms; }
.hero.ready > .reveal-up:nth-child(5) { animation-delay: 340ms; }
@keyframes rise-in {
  to { opacity: 1; transform: translateY(0); }
}

/* --- Scroll-reveal sections ------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--dur-slow) var(--ease),
              transform var(--dur-slow) var(--ease);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }

/* --- Memory terminal panel -------------------------------------- */
.memory-term {
  margin: var(--s-5) 0 0;
  border: 1px solid var(--field-edge);
  border-radius: var(--r-card);
  background: var(--field-bg);
  overflow: hidden;
  box-shadow: 0 1px 0 var(--shadow-tint);
}
.memory-term .term-bar {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-2) var(--s-3);
  border-bottom: 1px solid var(--field-edge);
  color: var(--muted);
  font: 0.78rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.memory-term .term-dots { display: inline-flex; gap: 6px; }
.memory-term .term-dots i {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--field-edge);
  display: inline-block;
}
.memory-term .term-title { letter-spacing: 0.04em; }
.memory-term .term-body {
  margin: 0;
  padding: var(--s-3) var(--s-4) var(--s-4);
  font: 0.88rem/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--fg);
  min-height: 7.2em;
  white-space: pre-wrap;
  word-break: break-word;
}
.memory-term .term-line { display: block; }
.memory-term .term-line .k { color: var(--accent); }
.memory-term .term-line .c { color: var(--muted); }
.memory-term .term-prompt::before {
  content: "› ";
  color: var(--accent);
}
.memory-term .term-cursor {
  display: inline-block;
  width: 0.55ch;
  background: var(--accent);
  animation: blink 1.1s steps(1) infinite;
  transform: translateY(0.12em);
}

/* --- Agent grid cards: refined hover ---------------------------- */
ul.agent-grid li {
  position: relative;
  min-width: 0; /* let the curl <pre> scroll internally, not blow out the grid */
  transition: transform var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
ul.agent-grid li:hover {
  transform: translateY(-3px);
  border-color: var(--accent-edge);
  box-shadow: 0 10px 30px -16px var(--shadow-tint);
}
ul.agent-grid li h3 {
  display: flex;
  align-items: center;
  gap: var(--s-2);
}
ul.agent-grid li h3 .card-arrow {
  margin-left: auto;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
ul.agent-grid li:hover h3 .card-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* --- CTA: focus-visible + subtle press -------------------------- */
.cta.primary:active { transform: translateY(1px); }
.cta:focus-visible,
header.site-nav nav a:focus-visible,
.announcement:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--r-field);
}

/* --- Reduced motion: stop everything that moves ----------------- */
@media (prefers-reduced-motion: reduce) {
  .brand-glyph .glyph-stem,
  .brand-glyph .glyph-leaf,
  .hero-mesh,
  .hero.ready > .reveal-up,
  .memory-term .term-cursor { animation: none !important; }
  .brand-glyph .glyph-stem { stroke-dashoffset: 0; }
  .brand-glyph .glyph-leaf { opacity: 1; transform: none; }
  .hero > .reveal-up { opacity: 1; transform: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  ul.agent-grid li,
  ul.agent-grid li h3 .card-arrow,
  header.site-nav { transition: none; }
  ul.agent-grid li:hover { transform: none; }
}

/* --- No-JS / pre-JS safety: never hide content permanently ------ */
.no-js .reveal,
.no-js .hero > .reveal-up,
.no-js .hero-mesh { opacity: 1; transform: none; }

/* --- Mobile nav: wrap the link row instead of overflowing ------- */
@media (max-width: 30rem) {
  header.site-nav {
    flex-wrap: wrap;
    row-gap: var(--s-2);
    padding-bottom: var(--s-3);
  }
  header.site-nav nav {
    gap: 0.85rem;
    flex-wrap: wrap;
    width: 100%;
  }
}

/* =================================================================
   HOMEPAGE v2 (2026-06-06) — hero animation + capability marquee +
   multi-line memory terminal + card tilt + scroll-progress + section
   numbering. Brand voice: calm, considered. All motion gated behind
   prefers-reduced-motion and (hover: hover) where the affordance
   requires a cursor.
   ================================================================= */

/* --- Scroll-progress hairline ----------------------------------- */
.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: 100;
  pointer-events: none;
  background: transparent;
}
.scroll-progress span {
  display: block;
  height: 100%;
  width: 100%;
  transform-origin: 0 50%;
  transform: scaleX(0);
  background: linear-gradient(90deg,
    var(--accent) 0%,
    var(--accent-strong) 60%,
    color-mix(in oklab, var(--accent) 65%, transparent) 100%);
  box-shadow: 0 0 12px -2px var(--accent-edge);
  transition: transform 90ms linear;
}

/* --- Hero v2 ---------------------------------------------------- */
.hero-v2 {
  position: relative;
  padding: var(--s-7) 0 var(--s-6);
  min-height: clamp(24rem, 60vh, 34rem);
}
.hero-v2 .hero-mesh {
  /* Bigger, more present, conic-tinted variant of the original mesh. */
  inset: -25% -35% auto -35%;
  height: 145%;
  background:
    radial-gradient(42% 58% at 15% 18%, var(--accent-soft) 0%, transparent 72%),
    radial-gradient(40% 52% at 85% 6%, var(--accent-soft) 0%, transparent 72%),
    conic-gradient(from 160deg at 50% 40%,
      transparent 0deg,
      color-mix(in oklab, var(--accent) 12%, transparent) 60deg,
      transparent 120deg,
      color-mix(in oklab, var(--accent) 8%, transparent) 220deg,
      transparent 320deg);
  filter: blur(34px);
  opacity: 0.85;
  animation: mesh-drift 22s ease-in-out infinite alternate,
             mesh-spin 60s linear infinite;
}
@keyframes mesh-spin {
  from { rotate: 0deg; }
  to   { rotate: 360deg; }
}

/* Canvas sits above mesh, below content. */
.hero-constellation {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: auto;
  opacity: 0.7;
  mask-image: radial-gradient(75% 70% at 50% 45%,
    black 0%, black 55%, transparent 100%);
  -webkit-mask-image: radial-gradient(75% 70% at 50% 45%,
    black 0%, black 55%, transparent 100%);
}

/* Eyebrow ("a personal agent · live since 2025"). */
.hero-v2 .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  margin: 0 0 var(--s-3);
  padding: 0.3rem 0.65rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--muted);
  background: var(--card-bg);
  border: 1px solid var(--card-edge);
  border-radius: var(--r-pill);
  text-transform: lowercase;
}
.hero-v2 .eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent);
  animation: eyebrow-pulse 2.4s ease-in-out infinite;
}
@keyframes eyebrow-pulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--accent) 65%, transparent); }
  50%      { box-shadow: 0 0 0 6px transparent; }
}

/* Heading: a hair larger and slightly tighter. */
.hero-v2 .hero-title {
  font-size: clamp(2.1rem, 6vw, 3.4rem);
  letter-spacing: -0.025em;
  line-height: 1.08;
  margin: 0 0 var(--s-3);
}

/* Rotating verb. Each child sits absolutely; one is .is-on at a time. */
.verb-rotator {
  position: relative;
  display: inline-block;
  min-width: 6.5ch;
  vertical-align: baseline;
  color: var(--accent-strong);
  background: linear-gradient(90deg, var(--accent-strong), var(--accent));
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}
.verb-rotator .verb {
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
  transform: translateY(0.35em);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  will-change: opacity, transform;
}
.verb-rotator .verb.is-on {
  position: relative;
  opacity: 1;
  transform: translateY(0);
}

/* CTA primary: subtle inner sheen + arrow nudge. */
.cta.primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(180deg,
    color-mix(in oklab, var(--accent) 100%, white 4%) 0%,
    var(--accent) 100%);
  box-shadow:
    inset 0 1px 0 color-mix(in oklab, white 30%, transparent),
    0 6px 22px -10px var(--accent-edge);
}
.cta.primary .cta-arrow {
  transition: transform var(--dur) var(--ease);
}
.cta.primary:hover .cta-arrow { transform: translateX(3px); }

/* Hero stats row (memory / daemons / authority). */
.hero-stats {
  list-style: none;
  margin: var(--s-6) 0 0;
  padding: var(--s-3) 0 0;
  border-top: 1px solid var(--rule);
  display: grid;
  gap: var(--s-3);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 32rem) {
  .hero-stats { grid-template-columns: 1fr; }
}
.hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}
.hero-stats .stat-k {
  font: 600 0.7rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}
.hero-stats .stat-v {
  color: var(--muted);
  font-size: 0.88rem;
}

/* --- Capability marquee ---------------------------------------- */
.capabilities {
  margin: var(--s-6) calc(var(--s-5) * -1) 0;
  padding: var(--s-3) 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent 0%, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 8%, black 92%, transparent 100%);
}
.marquee { display: block; }
.marquee-track {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  white-space: nowrap;
  font: 0.85rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--muted);
  text-transform: lowercase;
  letter-spacing: 0.04em;
  animation: marquee-roll 38s linear infinite;
  will-change: transform;
}
.marquee-track span { color: var(--fg); }
.marquee-track i { color: var(--accent); font-style: normal; }
@keyframes marquee-roll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* --- Section numbering rail ------------------------------------ */
section.numbered {
  position: relative;
}
section.numbered::before {
  content: attr(data-ch);
  position: absolute;
  top: 0.15rem;
  left: calc(var(--s-6) * -1);
  font: 600 0.72rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 0.25rem 0.4rem;
  border: 1px solid var(--card-edge);
  border-radius: 4px;
  background: var(--card-bg);
}
@media (max-width: 44rem) {
  section.numbered::before {
    position: static;
    display: inline-block;
    margin: 0 var(--s-2) var(--s-2) 0;
  }
}

/* --- Memory terminal v2: multi-line cascade -------------------- */
.term-v2 .term-bar { justify-content: flex-start; }
.term-v2 .term-bar .term-pulse {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}
.term-v2 .term-bar .pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent);
  animation: eyebrow-pulse 2.4s ease-in-out infinite;
}
.term-v2 .term-body {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
  min-height: 10.5em;
  position: relative;
  overflow: hidden;
}
.term-v2 .term-line {
  display: grid;
  grid-template-columns: 4.2em 1fr;
  gap: 0.6rem;
  align-items: baseline;
  animation: term-rise 280ms var(--ease);
}
.term-v2 .term-line.fading { opacity: 0; transition: opacity 300ms var(--ease); }
.term-v2 .term-line .t {
  color: color-mix(in oklab, var(--muted) 75%, transparent);
  font-size: 0.78em;
  letter-spacing: 0.02em;
}
@keyframes term-rise {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* --- Card tilt + spotlight on agent grid ----------------------- */
@media (hover: hover) {
  ul.agent-grid li {
    transform-style: preserve-3d;
    transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
    background:
      radial-gradient(220px 180px at var(--mx, 50%) var(--my, 50%),
        var(--accent-soft) 0%,
        transparent 70%),
      var(--card-bg);
    transition: transform 220ms var(--ease),
                border-color var(--dur) var(--ease),
                box-shadow var(--dur) var(--ease),
                background var(--dur) var(--ease);
  }
  ul.agent-grid li:hover {
    transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateY(-3px);
    box-shadow:
      0 16px 36px -22px var(--shadow-tint),
      0 0 0 1px var(--accent-edge) inset;
  }
}

/* --- Reduced motion: stop everything we added ------------------ */
@media (prefers-reduced-motion: reduce) {
  .scroll-progress span,
  .hero-v2 .hero-mesh,
  .hero-v2 .eyebrow-dot,
  .verb-rotator .verb,
  .marquee-track,
  .term-v2 .term-bar .pulse-dot,
  .term-v2 .term-line { animation: none !important; transition: none !important; }
  .marquee-track { transform: none; }
  .verb-rotator .verb { position: absolute; opacity: 0; }
  .verb-rotator .verb.is-on { position: relative; opacity: 1; transform: none; }
  .hero-constellation { display: none; }
  ul.agent-grid li { transform: none !important; }
}

/* --- No-JS safety: never hide content permanently -------------- */
.no-js .hero-constellation { display: none; }
.no-js .scroll-progress { display: none; }

/* =================================================================
   HOMEPAGE v3 FLUID (2026-06-06) — break out of the 42rem center
   column. Full-bleed hero, bento grid, editorial split, asymmetric
   sections. Scoped to body.home-v3 so inner pages stay untouched.
   ================================================================= */

body.home-v3 {
  --gutter: clamp(1rem, 3vw, 2rem);
  --maxw: 80rem;       /* widest container — bento, hero */
  --proseW: 44rem;     /* narrower for editorial prose */
  --section-y: clamp(4rem, 8vw, 7rem);
  background-image:
    radial-gradient(ellipse 80% 60% at 50% -10%, var(--accent-soft) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 15% 40%, color-mix(in oklab, var(--accent) 8%, transparent) 0%, transparent 60%);
}

/* The shell is wide. Inner sections center themselves to --maxw. */
body.home-v3 main.home-shell {
  max-width: none;
  width: 100%;
  margin: 0;
  padding: 0;
}

/* Sticky nav stays centered to the proseW for visual continuity with
   inner pages — but lifted onto the wider canvas. */
body.home-v3 header.site-nav,
body.home-v3 .announcement-wrap {
  max-width: var(--maxw);
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ── HERO (full-viewport, asymmetric two-column) ───────────────── */
.hero-x {
  position: relative;
  min-height: clamp(38rem, 92vh, 56rem);
  padding: clamp(2rem, 5vw, 4rem) var(--gutter) clamp(3rem, 6vw, 5rem);
  display: grid;
  align-items: center;
  isolation: isolate;
  overflow: clip;
}
.hero-x .hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
.hero-x .hero-constellation {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: auto;
  opacity: 0.55;
  mask-image: radial-gradient(80% 70% at 55% 45%, black 0%, black 60%, transparent 100%);
  -webkit-mask-image: radial-gradient(80% 70% at 55% 45%, black 0%, black 60%, transparent 100%);
}
.hero-x .hero-mesh {
  position: absolute;
  inset: -20% -20% auto -20%;
  height: 140%;
  background:
    radial-gradient(44% 60% at 80% 18%, var(--accent-soft) 0%, transparent 70%),
    radial-gradient(40% 56% at 15% 70%, color-mix(in oklab, var(--accent) 14%, transparent) 0%, transparent 72%),
    conic-gradient(from 200deg at 70% 50%,
      transparent 0deg,
      color-mix(in oklab, var(--accent) 14%, transparent) 80deg,
      transparent 160deg,
      color-mix(in oklab, var(--accent) 8%, transparent) 250deg,
      transparent 340deg);
  filter: blur(50px);
  opacity: 0.85;
  animation: mesh-drift 22s ease-in-out infinite alternate,
             mesh-spin 80s linear infinite;
}
.hero-x .hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, color-mix(in oklab, var(--fg) 4%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in oklab, var(--fg) 4%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 0%, transparent 75%);
  opacity: 0.6;
}

.hero-x .hero-wrap {
  position: relative;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 64rem) {
  .hero-x .hero-wrap {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.hero-x .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  margin: 0 0 var(--s-4);
  padding: 0.3rem 0.7rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--muted);
  background: var(--card-bg);
  border: 1px solid var(--card-edge);
  border-radius: var(--r-pill);
  text-transform: lowercase;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.hero-x .eyebrow-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  animation: eyebrow-pulse 2.4s ease-in-out infinite;
}

.hero-x h1.display {
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin: 0 0 var(--s-5);
  font-weight: 700;
}
.hero-x h1.display .muted { color: var(--fg); }
.hero-x .verb-rotator {
  display: inline-block;
  min-width: 9ch;
  position: relative;
  background: linear-gradient(95deg, var(--accent-strong) 10%, var(--accent) 60%, color-mix(in oklab, var(--accent) 80%, white 10%) 100%);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-x .verb-rotator .verb {
  position: absolute; left: 0; top: 0;
  opacity: 0; transform: translateY(0.3em);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.hero-x .verb-rotator .verb.is-on {
  position: relative; opacity: 1; transform: translateY(0);
}

.hero-x p.lede {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  color: var(--fg);
  max-width: 36rem;
  margin: 0 0 var(--s-5);
}

.hero-x .cta-row { margin: 0 0 var(--s-6); }
.hero-x .cta.primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  font-size: 1rem;
  background: linear-gradient(180deg,
    color-mix(in oklab, var(--accent) 100%, white 6%) 0%,
    var(--accent) 100%);
  box-shadow:
    inset 0 1px 0 color-mix(in oklab, white 35%, transparent),
    0 12px 36px -16px var(--accent-edge),
    0 2px 6px -2px var(--shadow-tint);
}
.hero-x .cta.primary .cta-arrow { transition: transform var(--dur) var(--ease); }
.hero-x .cta.primary:hover .cta-arrow { transform: translateX(3px); }
.hero-x .cta.secondary {
  padding: 0.85rem 1.4rem;
  font-size: 1rem;
}

/* Hero meta: definition-list trio with tabular feel. */
.hero-x .hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s-4);
  margin: 0;
  padding: var(--s-4) 0 0;
  border-top: 1px solid var(--rule);
  max-width: 32rem;
}
.hero-x .hero-meta > div { min-width: 0; }
.hero-x .hero-meta dt {
  font: 600 0.72rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.25rem;
}
.hero-x .hero-meta dd {
  margin: 0;
  font-size: 0.92rem;
  color: var(--fg);
}
@media (max-width: 30rem) {
  .hero-x .hero-meta { grid-template-columns: 1fr; }
}

/* Hero visual: the memory terminal on the right. */
.hero-x .hero-visual {
  position: relative;
  perspective: 1400px;
}
.hero-x .term-v3 {
  margin: 0;
  border: 1px solid var(--field-edge);
  border-radius: 14px;
  background: linear-gradient(180deg,
    color-mix(in oklab, var(--field-bg) 100%, var(--accent) 4%),
    var(--field-bg));
  overflow: hidden;
  box-shadow:
    0 1px 0 color-mix(in oklab, white 6%, transparent) inset,
    0 30px 60px -30px var(--shadow-tint),
    0 0 0 1px var(--card-edge);
  transform: rotateX(2deg) rotateY(-3deg);
  transform-origin: center;
  transition: transform var(--dur-slow) var(--ease);
}
.hero-x .hero-visual:hover .term-v3 {
  transform: rotateX(0deg) rotateY(0deg);
}
.term-v3 .term-bar {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--field-edge);
  color: var(--muted);
  font: 0.78rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.term-v3 .term-bar .term-dots { display: inline-flex; gap: 6px; }
.term-v3 .term-bar .term-dots i {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--field-edge);
  display: inline-block;
}
.term-v3 .term-bar .term-pulse {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: 0.35rem;
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}
.term-v3 .term-bar .pulse-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  animation: eyebrow-pulse 2.4s ease-in-out infinite;
}
.term-v3 .term-body {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-height: 12em;
  padding: 1rem 1.1rem;
  font: 0.85rem/1.65 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--fg);
  overflow: hidden;
}
.term-v3 .term-line {
  display: grid;
  grid-template-columns: 4.2em 1fr;
  gap: 0.6rem;
  align-items: baseline;
  animation: term-rise 280ms var(--ease);
}
.term-v3 .term-line.fading { opacity: 0; transition: opacity 300ms var(--ease); }
.term-v3 .term-line .t {
  color: color-mix(in oklab, var(--muted) 75%, transparent);
  font-size: 0.78em;
  letter-spacing: 0.02em;
}
.term-v3 .term-line .k { color: var(--accent); }
.term-v3 .term-line .c { color: var(--muted); }
.term-v3 .term-cursor {
  display: inline-block;
  width: 0.55ch;
  background: var(--accent);
  animation: blink 1.1s steps(1) infinite;
  transform: translateY(0.12em);
}
.term-v3 .term-footer {
  display: flex;
  gap: 1.2rem;
  padding: 0.75rem 1.1rem;
  border-top: 1px solid var(--field-edge);
  background: color-mix(in oklab, var(--field-bg) 92%, var(--accent) 4%);
  font: 0.78rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.term-v3 .term-stat {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.term-v3 .term-stat b {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.term-v3 .term-stat span {
  color: var(--fg);
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
}

/* Hero scroll cue */
.hero-scroll-cue {
  position: absolute;
  bottom: clamp(1rem, 3vw, 2rem);
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font: 0.74rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--card-edge);
  border-radius: var(--r-pill);
  background: color-mix(in oklab, var(--bg) 60%, transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: scroll-cue 2.2s ease-in-out infinite;
}
.hero-scroll-cue:hover { color: var(--fg); border-color: var(--accent-edge); }
@keyframes scroll-cue {
  0%, 100% { transform: translate(-50%, 0); opacity: 0.85; }
  50%      { transform: translate(-50%, 4px); opacity: 1; }
}

/* Hero entrance stagger */
.hero-x > .hero-wrap > .hero-text > .reveal-up { opacity: 0; transform: translateY(14px); }
.hero-x.ready > .hero-wrap > .hero-text > .reveal-up { animation: rise-in var(--dur-slow) var(--ease) forwards; }
.hero-x.ready > .hero-wrap > .hero-text > .reveal-up:nth-child(2) { animation-delay: 90ms; }
.hero-x.ready > .hero-wrap > .hero-text > .reveal-up:nth-child(3) { animation-delay: 180ms; }
.hero-x.ready > .hero-wrap > .hero-text > .reveal-up:nth-child(4) { animation-delay: 260ms; }
.hero-x.ready > .hero-wrap > .hero-text > .reveal-up:nth-child(5) { animation-delay: 340ms; }
.hero-x > .hero-wrap > .hero-visual { opacity: 0; transform: translateY(14px); }
.hero-x.ready > .hero-wrap > .hero-visual { animation: rise-in var(--dur-slow) var(--ease) 420ms forwards; }

/* ── Section bands: shared scaffolding ────────────────────────── */
.section-band {
  position: relative;
  padding: var(--section-y) var(--gutter);
}
.section-band > * {
  max-width: var(--maxw);
  margin-left: auto;
  margin-right: auto;
}
.section-band + .section-band {
  border-top: 1px solid var(--rule);
}

.section-head {
  margin: 0 auto clamp(2rem, 4vw, 3rem);
  max-width: 56rem;
}
.section-head .kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 0.85rem;
  font: 600 0.78rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.section-head .kicker .kicker-ch {
  color: var(--accent);
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--accent-edge);
  background: var(--accent-soft);
  border-radius: 4px;
  font-size: 0.7rem;
}
.section-head h2.display-sm,
.section-band h2.display-sm {
  font-size: clamp(1.6rem, 3.4vw, 2.5rem);
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0 0 0.75rem;
  font-weight: 700;
}
.section-head h2.display-sm .muted { color: var(--muted); }
.section-head .dek {
  color: var(--muted);
  font-size: clamp(1rem, 1.2vw, 1.08rem);
  max-width: 42rem;
  margin: 0;
}

/* Chapter marker on band edge */
.section-band[data-ch]::before {
  content: attr(data-ch);
  position: absolute;
  top: calc(var(--section-y) - 0.25rem);
  left: var(--gutter);
  font: 600 0.7rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.06em;
  color: var(--muted);
  opacity: 0.5;
  display: none;
}
@media (min-width: 80rem) {
  .section-band[data-ch]::before { display: block; }
}

/* ── BAND: BENTO (capabilities) ───────────────────────────────── */
.band-bento .bento {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-rows: minmax(8rem, auto);
  gap: clamp(0.75rem, 1.5vw, 1.25rem);
}
.band-bento .tile {
  grid-column: span var(--tile-w, 6);
  grid-row: span var(--tile-h, 1);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: clamp(1.1rem, 1.8vw, 1.6rem);
  border: 1px solid var(--card-edge);
  border-radius: 14px;
  background:
    radial-gradient(240px 200px at var(--mx, 50%) var(--my, 50%),
      var(--accent-soft) 0%, transparent 70%),
    linear-gradient(180deg,
      color-mix(in oklab, var(--card-bg) 100%, var(--accent) 2%),
      var(--card-bg));
  overflow: hidden;
  isolation: isolate;
  transition: transform 220ms var(--ease),
              border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
  min-width: 0;
}
@media (hover: hover) {
  .band-bento .tile {
    transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  }
  .band-bento .tile:hover {
    border-color: var(--accent-edge);
    box-shadow:
      0 22px 50px -28px var(--shadow-tint),
      0 0 0 1px var(--accent-edge) inset;
  }
}
.band-bento .tile header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}
.band-bento .tile-tag {
  display: inline-block;
  font: 600 0.66rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 0.25rem 0.45rem;
  border: 1px solid var(--accent-edge);
  background: var(--accent-soft);
  border-radius: 4px;
}
.band-bento .tile h3 {
  margin: 0;
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  letter-spacing: -0.015em;
  font-weight: 600;
  line-height: 1.2;
}
.band-bento .tile p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}
.band-bento .tile-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 8px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-edge);
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}
.band-bento .tile .counters {
  list-style: none;
  margin: auto 0 0;
  padding: 0.85rem 0 0;
  border-top: 1px solid var(--card-edge);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
}
.band-bento .tile .counters li {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.band-bento .tile .counters b {
  font: 700 1.4rem/1 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.band-bento .tile .counters span {
  font: 500 0.7rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-transform: uppercase;
}
.band-bento .tile .tile-code {
  margin: auto 0 0;
  font: 0.78rem/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--accent);
  background: color-mix(in oklab, var(--field-bg) 95%, var(--accent) 4%);
  border: 1px solid var(--field-edge);
  border-radius: 8px;
  padding: 0.65rem 0.8rem;
  white-space: pre-wrap;
}

/* Bento responsive collapse */
@media (max-width: 60rem) {
  .band-bento .bento { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .band-bento .tile { grid-column: span 6 !important; grid-row: span 1 !important; }
}

/* ── BAND: EDITORIAL (asymmetric what-I-am) ───────────────────── */
.band-editorial .editorial-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.6fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.band-editorial .editorial-aside {
  position: sticky;
  top: 6rem;
  padding-right: 1rem;
}
.band-editorial .editorial-aside .kicker { display: inline-flex; }
.band-editorial .pull {
  margin: 1rem 0 0;
  font-size: clamp(1.4rem, 2.4vw, 1.85rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--fg);
  position: relative;
  padding-left: 1.2rem;
  border-left: 3px solid var(--accent);
}
.band-editorial .pull .pull-mark {
  position: absolute;
  left: -0.1rem;
  top: -1.2rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 4rem;
  line-height: 1;
  color: var(--accent);
  opacity: 0.35;
}
.band-editorial .pull cite {
  display: block;
  margin-top: 0.6rem;
  font-style: normal;
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 400;
}
.band-editorial .editorial-text {
  font-size: clamp(1rem, 1.25vw, 1.1rem);
  line-height: 1.7;
}
.band-editorial .editorial-text h2 { margin-top: 0; }
.band-editorial .editorial-text p { margin: 0 0 1rem; }
.band-editorial .inline-arrow {
  color: var(--accent);
  font-weight: 500;
}
@media (max-width: 56rem) {
  .band-editorial .editorial-grid { grid-template-columns: 1fr; }
  .band-editorial .editorial-aside { position: static; padding-right: 0; }
}

/* ── BAND: AGENTS (refined cards on wider canvas) ─────────────── */
.band-agents .agent-grid.v3 {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: clamp(0.75rem, 1.5vw, 1.25rem);
}
.band-agents .agent-grid.v3 li {
  grid-column: span 3;
  position: relative;
  padding: clamp(1.1rem, 1.6vw, 1.5rem);
  border: 1px solid var(--card-edge);
  border-radius: 14px;
  background:
    radial-gradient(240px 200px at var(--mx, 50%) var(--my, 50%),
      var(--accent-soft) 0%, transparent 70%),
    var(--card-bg);
  transition: transform 220ms var(--ease),
              border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
  min-width: 0;
}
@media (hover: hover) {
  .band-agents .agent-grid.v3 li {
    transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  }
  .band-agents .agent-grid.v3 li:hover {
    border-color: var(--accent-edge);
    box-shadow: 0 22px 50px -28px var(--shadow-tint);
  }
}
.band-agents .agent-grid.v3 li.span-2 { grid-column: span 6; }
.band-agents .agent-grid.v3 li h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.45rem;
  font-size: 1.1rem;
  font-weight: 600;
}
.band-agents .agent-grid.v3 li h3 .card-arrow {
  margin-left: auto;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.band-agents .agent-grid.v3 li:hover h3 .card-arrow {
  opacity: 1; transform: translateX(0);
}
.band-agents .agent-grid.v3 li p { margin: 0.2rem 0 0.5rem; color: var(--muted); font-size: 0.95rem; }
.band-agents .agent-grid.v3 li pre { margin: 0.5rem 0 0; }
.band-agents .endpoint {
  display: inline-block;
  margin-top: 0.4rem;
  font-size: 0.92em;
  padding: 0.45rem 0.65rem;
  border-radius: 6px;
}
@media (max-width: 56rem) {
  .band-agents .agent-grid.v3 { grid-template-columns: 1fr; }
  .band-agents .agent-grid.v3 li,
  .band-agents .agent-grid.v3 li.span-2 { grid-column: span 1; }
}

/* ── BAND: SUBSCRIBE (focused card on a gradient cradle) ──────── */
.band-subscribe {
  background:
    radial-gradient(ellipse 70% 60% at 50% 50%, var(--accent-soft) 0%, transparent 60%);
}
.band-subscribe .subscribe-card {
  max-width: 44rem;
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3rem);
  border: 1px solid var(--card-edge);
  border-radius: 18px;
  background: linear-gradient(180deg,
    color-mix(in oklab, var(--card-bg) 100%, var(--accent) 4%),
    var(--card-bg));
  text-align: center;
  box-shadow: 0 30px 60px -30px var(--shadow-tint);
}
.band-subscribe .subscribe-card .kicker { display: inline-flex; }
.band-subscribe .subscribe-card h2 { margin-top: 0.75rem; }
.band-subscribe .subscribe-card p {
  color: var(--muted);
  max-width: 32rem;
  margin: 0 auto 1.25rem;
}
.band-subscribe .subscribe-form.v3 {
  max-width: 26rem;
  margin: 1.25rem auto 0;
  display: flex;
  gap: 0.5rem;
}
.band-subscribe .subscribe-form.v3 input[type="email"] {
  flex: 1 1 auto;
  font: inherit;
  color: var(--fg);
  background: var(--field-bg);
  border: 1px solid var(--field-edge);
  border-radius: 8px;
  padding: 0.75rem 0.9rem;
  outline: none;
  min-width: 0;
}
.band-subscribe .subscribe-form.v3 input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-edge);
}
.band-subscribe .subscribe-form.v3 button {
  font: 600 inherit;
  font-weight: 600;
  color: var(--bg);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 0.75rem 1.2rem;
  cursor: pointer;
}
.band-subscribe .subscribe-form.v3 button:hover { filter: brightness(1.08); }

/* ── BAND: PRIVACY (compact three-up) ─────────────────────────── */
.band-privacy .privacy-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
  max-width: 60rem;
  margin: 0 auto;
}
.band-privacy .privacy-grid p {
  margin: 0;
  padding: 1.25rem 1.4rem;
  border: 1px solid var(--card-edge);
  border-radius: 12px;
  background: var(--card-bg);
  color: var(--fg);
  font-size: 0.95rem;
  line-height: 1.6;
}
.band-privacy .privacy-grid p.muted { color: var(--muted); }
.band-privacy .privacy-grid code {
  font-size: 0.85em;
}
@media (max-width: 56rem) {
  .band-privacy .privacy-grid { grid-template-columns: 1fr; }
}

/* ── COLOPHON ──────────────────────────────────────────────────── */
.colophon {
  padding: var(--s-7) var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
  text-align: center;
  border-top: 1px solid var(--rule);
}
.colophon footer {
  margin-top: 1rem;
  border-top: none;
}

/* ── Section reveal: stagger children for richer entrance ─────── */
.section-band.reveal { opacity: 0; transform: translateY(28px); }
.section-band.reveal.is-in { opacity: 1; transform: none; }
.section-band.reveal.is-in .tile,
.section-band.reveal.is-in .agent-grid.v3 li,
.section-band.reveal.is-in .privacy-grid p {
  animation: tile-rise 520ms var(--ease) backwards;
}
.section-band.reveal.is-in .tile:nth-child(1) { animation-delay: 40ms; }
.section-band.reveal.is-in .tile:nth-child(2) { animation-delay: 100ms; }
.section-band.reveal.is-in .tile:nth-child(3) { animation-delay: 160ms; }
.section-band.reveal.is-in .tile:nth-child(4) { animation-delay: 220ms; }
.section-band.reveal.is-in .tile:nth-child(5) { animation-delay: 280ms; }
.section-band.reveal.is-in .tile:nth-child(6) { animation-delay: 340ms; }
.section-band.reveal.is-in .tile:nth-child(7) { animation-delay: 400ms; }
@keyframes tile-rise {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Reduced motion: stop everything ──────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  body.home-v3 .hero-mesh,
  body.home-v3 .hero-scroll-cue,
  body.home-v3 .verb-rotator .verb,
  body.home-v3 .eyebrow-dot,
  body.home-v3 .pulse-dot,
  body.home-v3 .term-line,
  body.home-v3 .term-cursor,
  body.home-v3 .section-band.reveal.is-in .tile { animation: none !important; }
  body.home-v3 .hero-constellation { display: none; }
  body.home-v3 .hero-x .term-v3 { transform: none; }
  body.home-v3 .verb-rotator .verb { position: absolute; opacity: 0; }
  body.home-v3 .verb-rotator .verb.is-on { position: relative; opacity: 1; transform: none; }
  body.home-v3 .section-band.reveal { opacity: 1; transform: none; }
  body.home-v3 .tile { transform: none !important; }
}

/* =================================================================
   HOME v4 — Cinematic editorial (2026-06-06)
   Full-bleed, fluid, layered. Scoped to body.home-v4 to leave v3 intact.
   Direction: oversized editorial type + serif italics + aurora glass +
   sticky-scroll narrative + tabbed API card + zone-aware bg drift.
   ================================================================= */

body.home-v4 {
  --serif: "Iowan Old Style", "Apple Garamond", Georgia, "Times New Roman", serif;
  --display: clamp(2.8rem, 8vw, 7rem);
  --h2: clamp(2rem, 4.4vw, 3.8rem);
  --ink: var(--fg);
  --ink-soft: color-mix(in oklab, var(--fg) 70%, transparent);
  --line: color-mix(in oklab, var(--fg) 14%, transparent);
  --glass: color-mix(in oklab, var(--bg) 75%, transparent);
  --glass-edge: color-mix(in oklab, var(--fg) 11%, transparent);

  background-color: var(--bg);
  overflow-x: clip;
}
/* Stable background layer that does NOT animate per zone — moved to a
   fixed pseudo-element so the body itself doesn't re-paint on scroll.
   Eliminates the gradient-stack interpolation flicker between zones. */
body.home-v4::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -10;
  pointer-events: none;
  background:
    radial-gradient(900px 700px at 12% -8%, var(--accent-soft), transparent 60%),
    radial-gradient(700px 700px at 95% 0%, color-mix(in oklab, var(--accent) 6%, transparent), transparent 60%),
    radial-gradient(1100px 800px at 50% 110%, color-mix(in oklab, var(--accent) 4%, transparent), transparent 60%);
  /* No background-attachment: fixed — fixed pseudo-element already
     achieves the effect without Chrome/Win repaint stutter. */
}
/* Keep data-zone attribute (JS still writes it) but don't restyle the
   body bg per zone — the fixed pseudo gives a calm constant glow. */
body.home-v4[data-zone] { background-color: var(--bg); }

/* --- Override the global 42rem main constraint for the v4 shell --- */
body.home-v4 main.v4-shell {
  max-width: none;
  width: 100%;
  padding: 0;
  margin: 0;
}

/* --- Scroll progress (top hairline) --- */
body.home-v4 .scroll-progress {
  position: fixed; inset: 0 0 auto 0; height: 2px; z-index: 60;
  pointer-events: none;
}
body.home-v4 .scroll-progress span {
  display: block; height: 100%; width: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  transform-origin: 0 0; transform: scaleX(0);
  transition: transform 80ms linear;
}

/* --- Cursor orb: soft accent glow that follows the pointer --- */
/* Cursor orb — softened to kill the GPU repaint flicker on Windows
   Chrome. mix-blend-mode + blur + fixed-bg on a per-frame transform
   was the worst offender. Now: no blend mode, lower opacity, smaller
   blur, and only enabled when the user has a fine pointer. */
body.home-v4 .cursor-orb {
  position: fixed; top: 0; left: 0; width: 360px; height: 360px;
  pointer-events: none; z-index: 1; will-change: transform;
  background: radial-gradient(closest-side, color-mix(in oklab, var(--accent) 14%, transparent), transparent 70%);
  filter: blur(14px);
  opacity: 0.55;
}
@media (hover: none), (pointer: coarse), (prefers-reduced-motion: reduce) {
  body.home-v4 .cursor-orb { display: none; }
}
@media (prefers-color-scheme: light) {
  body.home-v4 .cursor-orb { opacity: 0.22; }
}

/* --- v4 nav — floating glass pill, scroll-aware compaction --- */
body.home-v4 header.site-nav.v4 {
  position: sticky;
  top: 0.85rem;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: calc(100% - 2 * clamp(1rem, 3vw, 2rem));
  max-width: 72rem;
  margin: 0.85rem auto 0;
  padding: 0.4rem 0.5rem 0.4rem 1.05rem;
  border-radius: 999px;
  background: color-mix(in oklab, var(--bg) 70%, transparent);
  -webkit-backdrop-filter: saturate(1.5) blur(14px);
          backdrop-filter: saturate(1.5) blur(14px);
  border: 1px solid color-mix(in oklab, var(--fg) 10%, transparent);
  box-shadow:
    0 1px 0 color-mix(in oklab, white 5%, transparent) inset,
    0 12px 36px -18px color-mix(in oklab, var(--accent) 22%, var(--shadow-tint));
  transition: top 220ms var(--ease),
              max-width 220ms var(--ease),
              padding 220ms var(--ease),
              background-color 220ms var(--ease),
              box-shadow 220ms var(--ease);
}
body.home-v4 header.site-nav.v4.scrolled {
  top: 0.45rem;
  max-width: 62rem;
  padding-top: 0.32rem;
  padding-bottom: 0.32rem;
  background: color-mix(in oklab, var(--bg) 86%, transparent);
  box-shadow:
    0 1px 0 color-mix(in oklab, white 6%, transparent) inset,
    0 16px 44px -16px color-mix(in oklab, var(--accent) 30%, var(--shadow-tint));
}
body.home-v4 header.site-nav.v4 .brand {
  display: inline-flex; align-items: center; gap: 0.55rem;
  text-decoration: none; color: var(--ink);
  font-weight: 650; letter-spacing: -0.005em; font-size: 1rem;
  white-space: nowrap;
}
body.home-v4 header.site-nav.v4 .brand:hover { color: var(--accent); }
body.home-v4 header.site-nav.v4 .brand .dot { color: var(--accent); }
body.home-v4 header.site-nav.v4 .brand-glyph {
  width: 24px; height: 24px; flex: 0 0 auto;
  transform: translateY(-1px);
}
body.home-v4 header.site-nav.v4 nav {
  display: inline-flex;
  align-items: center;
  gap: 0.1rem;
  padding: 0.2rem;
  border-radius: 999px;
  background: color-mix(in oklab, var(--fg) 4%, transparent);
  font-size: 0.88rem;
}
body.home-v4 header.site-nav.v4 nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.85rem;
  border-radius: 999px;
  color: var(--ink-soft);
  text-decoration: none;
  letter-spacing: 0.003em;
  transition: color 160ms var(--ease), background-color 160ms var(--ease);
}
body.home-v4 header.site-nav.v4 nav a:hover {
  color: var(--ink);
  background: color-mix(in oklab, var(--fg) 7%, transparent);
}
body.home-v4 header.site-nav.v4 nav a:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
@media (max-width: 56rem) {
  body.home-v4 header.site-nav.v4 nav a[href*="toolspace"],
  body.home-v4 header.site-nav.v4 nav a[href*="chat.yepgent"] { display: none; }
}
@media (max-width: 40rem) {
  body.home-v4 header.site-nav.v4 {
    top: 0.5rem;
    margin-top: 0.5rem;
    padding: 0.32rem 0.4rem 0.32rem 0.85rem;
    width: calc(100% - 1.5rem);
    gap: 0.5rem;
  }
  body.home-v4 header.site-nav.v4 .brand { font-size: 0.95rem; gap: 0.4rem; }
  body.home-v4 header.site-nav.v4 nav { padding: 0.15rem; gap: 0; }
  body.home-v4 header.site-nav.v4 nav a {
    padding: 0.3rem 0.5rem;
    font-size: 0.78rem;
    letter-spacing: 0;
  }
  /* Hide only the secondary in-page anchor; keep notebook/gallery/account visible */
  body.home-v4 header.site-nav.v4 nav a[href="/#agents"] { display: none; }
}

/* =================================================================
   HERO — full-bleed cinematic.
   ================================================================= */
body.home-v4 .v4-hero {
  position: relative;
  min-height: min(100svh, 980px);
  padding: clamp(2rem, 6vw, 5rem) clamp(1.25rem, 5vw, 4rem) clamp(3rem, 7vw, 6rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto 1fr;
  isolation: isolate; overflow: clip;
}
body.home-v4 .v4-hero > * { min-width: 0; }

/* Aurora background */
body.home-v4 .v4-hero .aurora {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  overflow: clip;
}
body.home-v4 .aurora > span {
  position: absolute; display: block; border-radius: 50%;
  filter: blur(70px); mix-blend-mode: screen; opacity: 0.85;
}
body.home-v4 .aurora .aurora-1 {
  top: -10%; left: -5%; width: 70vw; height: 70vw;
  background: conic-gradient(from 120deg at 50% 50%,
    color-mix(in oklab, var(--accent) 38%, transparent),
    transparent 35%,
    color-mix(in oklab, var(--accent) 26%, transparent) 60%,
    transparent 80%);
  animation: v4-drift1 18s ease-in-out infinite alternate;
}
body.home-v4 .aurora .aurora-2 {
  top: 20%; right: -10%; width: 60vw; height: 60vw;
  background: conic-gradient(from 320deg at 50% 50%,
    color-mix(in oklab, var(--accent-strong) 30%, transparent),
    transparent 30%,
    color-mix(in oklab, var(--accent) 18%, transparent) 55%,
    transparent 80%);
  animation: v4-drift2 22s ease-in-out infinite alternate;
}
body.home-v4 .aurora .aurora-3 {
  bottom: -25%; left: 20%; width: 80vw; height: 80vw;
  background: radial-gradient(circle at 50% 50%,
    color-mix(in oklab, var(--accent) 16%, transparent),
    transparent 60%);
  animation: v4-drift3 28s ease-in-out infinite alternate;
  opacity: 0.5;
}
@keyframes v4-drift1 {
  from { transform: translate3d(0,0,0) scale(1) rotate(0deg); }
  to   { transform: translate3d(6vw, 4vh, 0) scale(1.08) rotate(40deg); }
}
@keyframes v4-drift2 {
  from { transform: translate3d(0,0,0) scale(1) rotate(0deg); }
  to   { transform: translate3d(-5vw, 6vh, 0) scale(1.1) rotate(-30deg); }
}
@keyframes v4-drift3 {
  from { transform: translate3d(0,0,0) scale(1); }
  to   { transform: translate3d(4vw, -3vh, 0) scale(1.06); }
}

body.home-v4 .aurora .grain { display: none; }
body.home-v4 .aurora .hero-noise {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0.045; mix-blend-mode: overlay; pointer-events: none;
}
@media (prefers-color-scheme: light) {
  body.home-v4 .aurora .hero-noise { opacity: 0.08; mix-blend-mode: multiply; }
  body.home-v4 .aurora > span { mix-blend-mode: multiply; opacity: 0.55; }
}

body.home-v4 .aurora .spotlight {
  position: absolute; inset: 0;
  --sx: 50%; --sy: 30%;
  background: radial-gradient(
    420px 420px at var(--sx) var(--sy),
    color-mix(in oklab, var(--accent) 18%, transparent),
    transparent 60%
  );
  mix-blend-mode: screen;
}
@media (prefers-color-scheme: light) {
  body.home-v4 .aurora .spotlight { mix-blend-mode: multiply; opacity: 0.6; }
}

/* Announce strip — floating glass pill near top of hero */
body.home-v4 .v4-announce {
  justify-self: center; align-self: start;
  display: inline-flex; align-items: center; gap: 0.65rem;
  margin-bottom: clamp(2rem, 6vw, 4rem);
  padding: 0.55rem 0.95rem 0.55rem 0.7rem;
  font-size: 0.9rem; text-decoration: none; color: var(--ink);
  background: var(--glass);
  backdrop-filter: blur(12px) saturate(1.3);
  -webkit-backdrop-filter: blur(12px) saturate(1.3);
  border: 1px solid var(--glass-edge);
  border-radius: var(--r-pill);
  transition: transform 240ms var(--ease), border-color 240ms var(--ease), background 240ms var(--ease);
}
body.home-v4 .v4-announce:hover { transform: translateY(-2px); border-color: var(--accent-edge); }
body.home-v4 .announce-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 0 color-mix(in oklab, var(--accent) 70%, transparent);
  animation: v4-pulse 2.2s ease-out infinite;
}
@keyframes v4-pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in oklab, var(--accent) 70%, transparent); }
  70%  { box-shadow: 0 0 0 9px color-mix(in oklab, var(--accent) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--accent) 0%, transparent); }
}
body.home-v4 .announce-label {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--accent);
  padding: 2px 7px; border-radius: var(--r-pill);
  background: var(--accent-soft);
}
body.home-v4 .announce-arrow { transition: transform 240ms var(--ease); }
body.home-v4 .v4-announce:hover .announce-arrow { transform: translateX(3px); }

/* Hero stage — center the type, big poster feel */
body.home-v4 .v4-hero-stage {
  position: relative;
  max-width: 78rem; margin: 0 auto; width: 100%;
  align-self: center;
}
body.home-v4 .v4-eyebrow {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-soft); margin: 0 0 1.2rem;
}
body.home-v4 .eyebrow-tick {
  width: 22px; height: 1px; background: var(--accent);
  display: inline-block;
}

/* Display headline — the centerpiece */
body.home-v4 .v4-display {
  font-size: var(--display);
  line-height: 0.95;
  letter-spacing: -0.04em;
  font-weight: 600;
  margin: 0 0 1.4rem;
  color: var(--ink);
  max-width: 18ch;
}
body.home-v4 .v4-display .serif-italic,
body.home-v4 .serif-italic {
  font-family: var(--serif); font-style: italic; font-weight: 400;
  letter-spacing: -0.015em;
}
body.home-v4 .v4-display .serif-italic {
  color: color-mix(in oklab, var(--ink) 92%, var(--accent) 8%);
}

/* Verb rotator */
/* Verb rotator — grid-stacked, opacity-only crossfade.
   No transform on the verbs themselves: the rotator's optical baseline
   stays put so the cursor sits right next to a stable target. */
body.home-v4 .v4-verbs {
  display: inline-grid;
  grid-template-areas: "stack";
  vertical-align: baseline;
  font-family: var(--serif); font-style: italic; font-weight: 400;
  color: var(--accent);
  position: relative;
  line-height: inherit;
}
body.home-v4 .v4-verbs .v {
  grid-area: stack;
  opacity: 0;
  transition: opacity 380ms var(--ease);
  white-space: nowrap;
  pointer-events: none;
}
body.home-v4 .v4-verbs .v[data-on] { opacity: 1; }

/* Cursor caret — thin inline bar, locked to the text baseline of the
   rotator's font. Sized in em so it scales with display heading. */
body.home-v4 .cursor-blink {
  display: inline-block;
  width: 0.07em;
  height: 0.75em;
  margin-left: 0.12em;
  background: var(--accent);
  vertical-align: -0.03em;   /* sits ON the baseline, not below it */
  border-radius: 1px;
  animation: v4-blink 1.05s steps(2) infinite;
}
@keyframes v4-blink { 50% { opacity: 0; } }

/* Lede + CTA + meta */
body.home-v4 .v4-lede {
  max-width: 38rem; margin: 0 0 1.8rem;
  font-size: clamp(1.02rem, 1.2vw + 0.7rem, 1.25rem);
  color: var(--ink-soft); line-height: 1.55;
}
body.home-v4 .v4-lede em {
  font-family: var(--serif); font-style: italic; color: var(--ink);
}

body.home-v4 .v4-cta-row {
  display: flex; flex-wrap: wrap; gap: 0.8rem; margin: 0 0 2.4rem;
}
body.home-v4 .v4-cta {
  position: relative;
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.8rem 1.2rem;
  border-radius: var(--r-pill);
  font-weight: 600; font-size: 0.95rem; text-decoration: none;
  letter-spacing: -0.005em;
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease), background 220ms var(--ease), color 220ms var(--ease);
  overflow: hidden; isolation: isolate;
}
body.home-v4 .v4-cta.primary {
  background: var(--accent); color: #052517;
  box-shadow:
    0 1px 0 0 color-mix(in oklab, #fff 25%, transparent) inset,
    0 14px 30px -12px color-mix(in oklab, var(--accent) 70%, transparent),
    0 4px 10px -2px var(--shadow-tint);
}
body.home-v4 .v4-cta.primary:hover {
  transform: translateY(-1px);
  box-shadow:
    0 1px 0 0 color-mix(in oklab, #fff 35%, transparent) inset,
    0 22px 40px -14px color-mix(in oklab, var(--accent) 80%, transparent),
    0 6px 12px -2px var(--shadow-tint);
}
body.home-v4 .v4-cta.primary .cta-glow {
  position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(120px 60px at 50% 130%, color-mix(in oklab, #fff 40%, transparent), transparent 70%);
  opacity: 0.6;
}
body.home-v4 .v4-cta.ghost {
  background: var(--glass);
  color: var(--ink);
  border: 1px solid var(--glass-edge);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
body.home-v4 .v4-cta.ghost:hover {
  border-color: var(--accent-edge); color: var(--ink);
  transform: translateY(-1px);
}
body.home-v4 .v4-cta .cta-arrow { display: inline-flex; transition: transform 220ms var(--ease); }
body.home-v4 .v4-cta:hover .cta-arrow { transform: translateX(3px); }
body.home-v4 .v4-cta:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px;
}

/* Hero meta — definition list, 4-up monospace */
body.home-v4 .v4-hero-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.6rem 2rem; margin: 0 0 2rem;
  max-width: 56rem;
  padding-top: 1.4rem; border-top: 1px solid var(--line);
}
body.home-v4 .v4-hero-meta div { display: grid; gap: 2px; }
body.home-v4 .v4-hero-meta dt {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-soft);
}
body.home-v4 .v4-hero-meta dd {
  margin: 0; font-size: 0.95rem; color: var(--ink);
}

/* Scroll cue */
body.home-v4 .v4-scroll-cue {
  display: inline-flex; align-items: center; gap: 0.6rem;
  color: var(--ink-soft); text-decoration: none;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase;
  margin-top: 1rem;
}
body.home-v4 .v4-scroll-cue .cue-bar {
  display: inline-block; width: 1px; height: 32px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: v4-cue 1.6s ease-in-out infinite;
}
@keyframes v4-cue {
  0% { transform: scaleY(0.2); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0.2); transform-origin: bottom; }
}

/* =================================================================
   MARQUEE
   ================================================================= */
body.home-v4 .v4-marquee {
  padding: clamp(2.5rem, 6vw, 5rem) 0;
  overflow: clip; position: relative;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, transparent, color-mix(in oklab, var(--accent) 4%, transparent) 50%, transparent);
}
body.home-v4 .mq-row { overflow: clip; white-space: nowrap; }
body.home-v4 .mq-row + .mq-row { margin-top: 1rem; }
body.home-v4 .mq-track {
  display: inline-flex; gap: 1.4rem; align-items: center;
  font-size: clamp(2.4rem, 7vw, 6rem);
  font-weight: 600;
  letter-spacing: -0.04em; line-height: 1;
  color: color-mix(in oklab, var(--ink) 18%, transparent);
  will-change: transform;
  padding-left: 1.4rem;
}
body.home-v4 .mq-track .serif-italic {
  color: color-mix(in oklab, var(--accent) 60%, transparent);
}
body.home-v4 .mq-fwd .mq-track { animation: mq-l 36s linear infinite; }
body.home-v4 .mq-rev .mq-track { animation: mq-r 44s linear infinite; }
body.home-v4 .mq-dot { color: var(--accent); }
@keyframes mq-l { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes mq-r { from { transform: translateX(-50%); } to { transform: translateX(0); } }

/* =================================================================
   CAPABILITIES — sticky-scroll pattern
   ================================================================= */
body.home-v4 .v4-cap {
  padding: clamp(4rem, 9vw, 8rem) clamp(1.25rem, 5vw, 4rem);
  max-width: 96rem; margin: 0 auto;
  opacity: 0; transform: translateY(20px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
body.home-v4 .v4-cap.is-in { opacity: 1; transform: none; }

body.home-v4 .cap-grid {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(2rem, 5vw, 5rem);
}
@media (max-width: 920px) { body.home-v4 .cap-grid { grid-template-columns: 1fr; } }

body.home-v4 .cap-pin { position: sticky; top: 6rem; align-self: start; }
@media (max-width: 920px) { body.home-v4 .cap-pin { position: static; } }

body.home-v4 .v4-kicker {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-soft); margin: 0 0 1rem;
  display: inline-flex; align-items: center;
}
body.home-v4 .v4-kicker span {
  color: var(--accent); margin-right: 0.55rem;
}

body.home-v4 .v4-h2 {
  font-size: var(--h2); line-height: 1.02;
  letter-spacing: -0.03em; font-weight: 600;
  margin: 0 0 1.2rem; color: var(--ink); max-width: 22ch;
}
body.home-v4 .v4-h2 .muted, body.home-v4 .muted { color: var(--ink-soft); }

body.home-v4 .v4-dek {
  font-size: clamp(1rem, 0.5vw + 0.9rem, 1.12rem);
  color: var(--ink-soft); margin: 0 0 1.4rem; max-width: 38ch;
}

/* Memory terminal (v4) */
body.home-v4 .v4-term {
  margin: 1.4rem 0 0;
  background: var(--glass);
  border: 1px solid var(--glass-edge);
  border-radius: 14px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow: hidden;
  /* Glass uses border for edge; backdrop-filter does the lift — no heavy shadow. */
  position: relative;
}
body.home-v4 .v4-term::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, color-mix(in oklab, var(--accent) 8%, transparent), transparent 35%);
  pointer-events: none;
}
body.home-v4 .v4-term-bar {
  display: flex; align-items: center; gap: 0.8rem;
  padding: 0.6rem 0.9rem;
  border-bottom: 1px solid var(--line);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem; color: var(--ink-soft);
  background: color-mix(in oklab, var(--bg) 80%, transparent);
}
body.home-v4 .v4-term-bar .term-dots { display: inline-flex; gap: 6px; }
body.home-v4 .v4-term-bar .term-dots i {
  width: 10px; height: 10px; border-radius: 50%;
  background: color-mix(in oklab, var(--ink) 18%, transparent);
}
body.home-v4 .v4-term-bar .term-title { flex: 1; }
body.home-v4 .v4-term-bar .term-pulse {
  display: inline-flex; align-items: center; gap: 0.4rem;
  color: var(--accent);
}
body.home-v4 .v4-term-bar .pulse-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: v4-pulse 2.2s ease-out infinite;
}
body.home-v4 .v4-term-body {
  display: grid; gap: 0.5rem;
  padding: 1rem 1rem 0.8rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.86rem; line-height: 1.55;
  min-height: 9rem;
}
body.home-v4 .term-line {
  display: grid; grid-template-columns: max-content 1fr; gap: 0.7rem;
  animation: v4-line-in 320ms var(--ease) both;
}
body.home-v4 .term-line.fading { opacity: 0; transform: translateY(-4px); transition: opacity 280ms var(--ease), transform 280ms var(--ease); }
@keyframes v4-line-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: none; }
}
body.home-v4 .term-line .t { color: var(--ink-soft); }
body.home-v4 .term-line .k { color: var(--accent); }
body.home-v4 .term-line .c { color: var(--ink); }
body.home-v4 .term-cursor {
  display: inline-block; width: 0.55em; height: 1em;
  background: var(--accent); vertical-align: -0.15em;
  animation: v4-blink 1.05s steps(2) infinite;
}
body.home-v4 .v4-term-foot {
  display: flex; gap: 1.4rem;
  padding: 0.7rem 1rem;
  border-top: 1px solid var(--line);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem; color: var(--ink-soft);
  background: color-mix(in oklab, var(--bg) 60%, transparent);
}
body.home-v4 .v4-term-foot b { color: var(--ink); font-weight: 600; margin-right: 4px; }

/* Capability cards in scrolling stack */
body.home-v4 .cap-stack { display: grid; gap: clamp(1rem, 1.6vw, 1.6rem); }
body.home-v4 .cap-card {
  position: relative; isolation: isolate;
  padding: clamp(1.3rem, 2vw, 2rem);
  background: var(--glass);
  border: 1px solid var(--glass-edge);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0; transform: translateY(20px);
  transition: opacity 520ms var(--ease), transform 520ms var(--ease), border-color 220ms var(--ease);
}
body.home-v4 .cap-card.is-in { opacity: 1; transform: none; }
body.home-v4 .cap-card:hover { border-color: var(--accent-edge); }
body.home-v4 .cap-card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: radial-gradient(280px 180px at var(--mx, 50%) var(--my, 0%),
    color-mix(in oklab, var(--accent) 16%, transparent), transparent 60%);
  opacity: 0; transition: opacity 240ms var(--ease); pointer-events: none; z-index: -1;
}
body.home-v4 .cap-card:hover::before { opacity: 1; }
body.home-v4 .cap-card header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 0.6rem;
}
body.home-v4 .cap-tag {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--accent);
  padding: 3px 9px; border-radius: var(--r-pill);
  background: var(--accent-soft);
}
body.home-v4 .cap-num {
  font-family: var(--serif); font-style: italic;
  font-size: 1.4rem; color: var(--ink-soft);
}
body.home-v4 .cap-card h3 {
  margin: 0 0 0.4rem; font-size: clamp(1.2rem, 1.5vw + 0.6rem, 1.7rem);
  font-weight: 600; letter-spacing: -0.018em; color: var(--ink);
}
body.home-v4 .cap-card p { margin: 0; color: var(--ink-soft); line-height: 1.55; }
body.home-v4 .cap-code {
  margin: 1rem 0 0; padding: 0.9rem 1rem;
  background: color-mix(in oklab, var(--bg) 90%, transparent);
  border: 1px solid var(--line); border-radius: 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82rem; color: var(--ink); overflow-x: auto;
}

/* =================================================================
   EDITORIAL DIPTYCH
   ================================================================= */
body.home-v4 .v4-diptych {
  padding: clamp(4rem, 9vw, 8rem) clamp(1.25rem, 5vw, 4rem);
  max-width: 88rem; margin: 0 auto;
  opacity: 0; transform: translateY(20px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
body.home-v4 .v4-diptych.is-in { opacity: 1; transform: none; }
body.home-v4 .dip-grid {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(2rem, 5vw, 6rem); align-items: start;
}
@media (max-width: 820px) { body.home-v4 .dip-grid { grid-template-columns: 1fr; gap: 2rem; } }

body.home-v4 .dip-quote blockquote {
  margin: 0; padding: 0;
  font-family: var(--serif); font-style: italic;
  font-size: clamp(2.4rem, 5.4vw, 4.8rem);
  line-height: 1.02; letter-spacing: -0.02em;
  color: var(--ink); position: relative;
}
body.home-v4 .dip-quote .quote-mark {
  position: absolute; top: -0.55em; left: -0.18em;
  font-size: 4em; color: var(--accent);
  font-style: normal; line-height: 1; opacity: 0.5;
}
body.home-v4 .dip-quote blockquote em {
  color: color-mix(in oklab, var(--ink) 70%, var(--accent) 30%);
}
body.home-v4 .dip-quote cite {
  display: block; margin-top: 1.4rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-style: normal; font-size: 0.78rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-soft);
}
body.home-v4 .dip-prose { max-width: 36rem; }
body.home-v4 .dip-prose p {
  margin: 0 0 1rem; color: var(--ink-soft); font-size: 1.05rem; line-height: 1.65;
}
body.home-v4 .v4-inline {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in oklab, var(--accent) 35%, transparent);
  padding-bottom: 1px;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}
body.home-v4 .v4-inline:hover {
  color: var(--accent-strong);
  border-bottom-color: var(--accent);
}

/* =================================================================
   API — tabbed code card
   ================================================================= */
body.home-v4 .v4-api {
  padding: clamp(4rem, 9vw, 8rem) clamp(1.25rem, 5vw, 4rem);
  max-width: 84rem; margin: 0 auto;
  opacity: 0; transform: translateY(20px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
body.home-v4 .v4-api.is-in { opacity: 1; transform: none; }
body.home-v4 .v4-api-head { max-width: 48rem; margin-bottom: 2.5rem; }

body.home-v4 .api-card {
  position: relative; isolation: isolate;
  background: var(--glass);
  border: 1px solid var(--glass-edge);
  border-radius: 18px;
  overflow: hidden;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  /* Glass = border + backdrop-filter as the single elevation method. */
}
body.home-v4 .api-card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: radial-gradient(420px 220px at var(--mx, 50%) var(--my, 0%),
    color-mix(in oklab, var(--accent) 12%, transparent), transparent 60%);
  pointer-events: none; z-index: -1;
}
body.home-v4 .api-tabs {
  display: flex; gap: 0;
  padding: 0.5rem 0.5rem 0;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
}
body.home-v4 .api-tab {
  appearance: none; border: 0; background: transparent;
  color: var(--ink-soft); cursor: pointer;
  padding: 0.7rem 1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82rem; letter-spacing: 0.04em;
  border-radius: 10px 10px 0 0;
  position: relative; transition: color 180ms var(--ease), background 180ms var(--ease);
  white-space: nowrap;
}
body.home-v4 .api-tab:hover { color: var(--ink); }
body.home-v4 .api-tab.is-on { color: var(--ink); background: color-mix(in oklab, var(--accent) 9%, transparent); }
body.home-v4 .api-tab.is-on::after {
  content: ""; position: absolute; left: 0.7rem; right: 0.7rem; bottom: -1px;
  height: 2px; background: var(--accent); border-radius: 2px;
}
body.home-v4 .api-tab:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

body.home-v4 .api-panes { position: relative; }
body.home-v4 .api-pane {
  display: none;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: 0; padding: 0;
}
body.home-v4 .api-pane.is-on { display: grid; animation: v4-fade 380ms var(--ease) both; }
@keyframes v4-fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (max-width: 820px) {
  body.home-v4 .api-pane { grid-template-columns: 1fr; }
}

body.home-v4 .api-text {
  padding: clamp(1.3rem, 2vw, 2rem);
  border-right: 1px solid var(--line);
}
@media (max-width: 820px) { body.home-v4 .api-text { border-right: 0; border-bottom: 1px solid var(--line); } }
body.home-v4 .api-text h3 {
  margin: 0 0 0.45rem;
  font-size: 1.25rem; font-weight: 600; letter-spacing: -0.015em;
  color: var(--ink);
}
body.home-v4 .api-text p { margin: 0 0 0.5rem; color: var(--ink-soft); }

body.home-v4 .api-code {
  margin: 0; padding: clamp(1.3rem, 2vw, 2rem);
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.86rem; line-height: 1.55;
  color: var(--ink); overflow-x: auto;
  white-space: pre; tab-size: 2;
}
body.home-v4 .api-code .cd { color: var(--accent); user-select: none; }
body.home-v4 .api-code .ca { color: var(--ink); }
body.home-v4 .api-code .cs { color: color-mix(in oklab, var(--accent-strong) 70%, var(--ink) 30%); }
body.home-v4 .api-code .cj { color: var(--ink-soft); }

/* =================================================================
   SUBSCRIBE card
   ================================================================= */
body.home-v4 .v4-subscribe {
  padding: clamp(4rem, 9vw, 8rem) clamp(1.25rem, 5vw, 4rem);
  max-width: 78rem; margin: 0 auto;
  opacity: 0; transform: translateY(20px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
body.home-v4 .v4-subscribe.is-in { opacity: 1; transform: none; }

body.home-v4 .sub-card {
  position: relative; isolation: isolate;
  max-width: 46rem; margin: 0 auto;
  padding: clamp(2rem, 4vw, 3.4rem);
  text-align: center;
  background: var(--glass);
  border: 1px solid var(--glass-edge);
  border-radius: 20px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  /* Glass = border + backdrop-filter; gradient ::before adds the accent edge. */
}
body.home-v4 .sub-card::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--accent), transparent 45%);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none; opacity: 0.55;
}
body.home-v4 .sub-card .v4-kicker { justify-content: center; }
body.home-v4 .sub-card .v4-h2 { margin-left: auto; margin-right: auto; max-width: 26ch; }
body.home-v4 .sub-card .v4-dek { margin-left: auto; margin-right: auto; max-width: 40ch; }

body.home-v4 .v4-form {
  display: grid; grid-template-columns: 1fr auto; gap: 0.5rem;
  max-width: 30rem; margin: 1.4rem auto 0;
}
body.home-v4 .v4-form input[type="email"] {
  appearance: none; -webkit-appearance: none;
  background: var(--field-bg); color: var(--ink);
  border: 1px solid var(--field-edge);
  border-radius: var(--r-pill);
  padding: 0.85rem 1.1rem; font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
  min-width: 0;
}
body.home-v4 .v4-form input[type="email"]:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 22%, transparent);
}
body.home-v4 .v4-form button {
  appearance: none; border: 0; cursor: pointer;
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.85rem 1.3rem;
  background: var(--accent); color: #052517;
  border-radius: var(--r-pill); font-weight: 600;
  font-family: inherit; font-size: 0.95rem;
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease);
  box-shadow: 0 14px 30px -12px color-mix(in oklab, var(--accent) 70%, transparent);
}
body.home-v4 .v4-form button:hover { transform: translateY(-1px); }
body.home-v4 .v4-form button:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px;
}
body.home-v4 .sub-card .note { margin-top: 0.7rem; font-size: 0.88rem; color: var(--ink-soft); text-align: center; }

/* =================================================================
   PRIVACY
   ================================================================= */
body.home-v4 .v4-privacy {
  padding: clamp(4rem, 9vw, 8rem) clamp(1.25rem, 5vw, 4rem);
  max-width: 76rem; margin: 0 auto;
  opacity: 0; transform: translateY(20px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
body.home-v4 .v4-privacy.is-in { opacity: 1; transform: none; }
body.home-v4 .priv-grid {
  display: grid; gap: clamp(1.4rem, 3vw, 3rem);
}
body.home-v4 .priv-cols {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.4rem; align-items: start;
}
body.home-v4 .priv-cols p { margin: 0; color: var(--ink); }
body.home-v4 .priv-cols p.muted { color: var(--ink-soft); }
body.home-v4 .priv-cols code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: color-mix(in oklab, var(--accent) 12%, transparent);
  color: var(--accent);
  padding: 1px 6px; border-radius: 4px;
}

/* =================================================================
   COLOPHON
   ================================================================= */
body.home-v4 .v4-colophon {
  padding: clamp(3rem, 6vw, 5rem) clamp(1.25rem, 5vw, 4rem) 4rem;
  max-width: 76rem; margin: 0 auto;
  border-top: 1px solid var(--line);
  display: grid; gap: 1rem;
  color: var(--ink-soft);
  opacity: 0; transform: translateY(10px);
  transition: opacity 500ms var(--ease), transform 500ms var(--ease);
}
body.home-v4 .v4-colophon.is-in { opacity: 1; transform: none; }
body.home-v4 .v4-colophon a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line); }
body.home-v4 .v4-colophon a:hover { border-bottom-color: var(--accent); color: var(--accent); }
body.home-v4 .v4-colophon footer { font-size: 0.88rem; }

/* =================================================================
   Reduced motion: stop everything that moves
   ================================================================= */
@media (prefers-reduced-motion: reduce) {
  body.home-v4 .aurora > span,
  body.home-v4 .announce-dot,
  body.home-v4 .pulse-dot,
  body.home-v4 .v4-verbs .v,
  body.home-v4 .term-line,
  body.home-v4 .term-cursor,
  body.home-v4 .cursor-blink,
  body.home-v4 .mq-track,
  body.home-v4 .v4-scroll-cue .cue-bar { animation: none !important; }
  body.home-v4 .cursor-orb { display: none; }
  body.home-v4 .v4-verbs { display: inline; }
  body.home-v4 .v4-verbs .v { position: static; opacity: 0; transform: none; }
  body.home-v4 .v4-verbs .v[data-on] { opacity: 1; }
  body.home-v4 .v4-cap,
  body.home-v4 .v4-diptych,
  body.home-v4 .v4-api,
  body.home-v4 .v4-subscribe,
  body.home-v4 .v4-privacy,
  body.home-v4 .v4-colophon,
  body.home-v4 .cap-card { opacity: 1 !important; transform: none !important; }
}

/* =================================================================
   v4 mobile polish — announce overflow + faster reveal at narrow widths
   ================================================================= */
@media (max-width: 40rem) {
  /* Announce strip: never overflow viewport */
  body.home-v4 .v4-announce {
    max-width: calc(100% - 1.5rem);
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
    padding: 0.45rem 0.75rem;
    font-size: 0.82rem;
    gap: 0.5rem;
  }
  body.home-v4 .announce-label { font-size: 0.66rem; padding: 2px 6px; }
  /* Shorten reveal motion so scrolling phones don't feel laggy */
  body.home-v4 .v4-cap,
  body.home-v4 .v4-diptych,
  body.home-v4 .v4-api,
  body.home-v4 .v4-subscribe,
  body.home-v4 .v4-privacy,
  body.home-v4 .v4-colophon {
    transition-duration: 320ms;
    transform: translateY(10px);
  }
}

/* Touch-coarse devices: don't gate visibility on hover/pointer features */
@media (hover: none), (pointer: coarse) {
  body.home-v4 .cursor-orb { display: none; }
}

/* =================================================================
   INTEREST PAGE — v4 design system, scoped to body.interest-v4
   Re-uses home-v4 shell (nav pill, body bg, design tokens)
   ================================================================= */

/* Aurora positioning inside iv4 hero (homepage scopes via .v4-hero) */
body.interest-v4 .iv4-hero .aurora {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  overflow: clip;
}

/* No cursor-orb on interest — it's a quieter page */
body.interest-v4 .cursor-orb { display: none; }

/* HERO */
body.interest-v4 .iv4-hero {
  position: relative;
  min-height: min(92svh, 880px);
  padding: clamp(2.5rem, 7vw, 6rem) clamp(1.25rem, 5vw, 4rem) clamp(3rem, 6vw, 5rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  place-items: center;
  isolation: isolate;
  overflow: clip;
}
body.interest-v4 .iv4-hero > * { min-width: 0; }

body.interest-v4 .iv4-hero-inner {
  position: relative;
  width: 100%;
  max-width: 56rem;
  text-align: left;
}

body.interest-v4 .iv4-eyebrow {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 1.4rem;
}

body.interest-v4 .iv4-display {
  font-family: var(--serif, "Iowan Old Style", Georgia, serif);
  font-weight: 400;
  letter-spacing: -0.012em;
  font-size: clamp(2.6rem, 6.5vw, 5.6rem);
  line-height: 1.02;
  margin: 0 0 1.6rem;
  color: var(--ink);
  text-wrap: balance;
}
body.interest-v4 .iv4-display .iv4-emph {
  font-style: italic;
  color: var(--accent);
}

body.interest-v4 .iv4-lede {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.55;
  color: var(--ink);
  max-width: 44rem;
  margin: 0 0 1rem;
}

body.interest-v4 .iv4-prose {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: 44rem;
  margin: 0 0 2rem;
}

body.interest-v4 .iv4-cta-row {
  display: flex; flex-wrap: wrap; gap: 0.7rem; align-items: center;
  margin-top: 0.5rem;
}
body.interest-v4 .iv4-cta {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  border-radius: var(--r-pill, 999px);
  font-size: 0.95rem; font-weight: 500;
  text-decoration: none;
  transition: transform 180ms var(--ease), background-color 180ms var(--ease),
              border-color 180ms var(--ease), color 180ms var(--ease);
}
body.interest-v4 .iv4-cta.primary {
  background: var(--accent);
  color: var(--bg);
  border: 1px solid var(--accent);
  box-shadow:
    0 8px 24px -10px color-mix(in oklab, var(--accent) 60%, transparent),
    0 0 0 1px color-mix(in oklab, var(--accent) 15%, transparent);
}
body.interest-v4 .iv4-cta.primary:hover {
  transform: translateY(-1px);
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}
body.interest-v4 .iv4-cta.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid color-mix(in oklab, var(--fg) 18%, transparent);
}
body.interest-v4 .iv4-cta.ghost:hover {
  border-color: var(--accent-edge);
  color: var(--accent);
}

/* Shared section eyebrow/title pattern */
body.interest-v4 .iv4-section-eyebrow {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.85rem;
}
body.interest-v4 .iv4-section-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 3.6vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.008em;
  color: var(--ink);
  margin: 0 0 1rem;
  max-width: 32rem;
  text-wrap: balance;
}
body.interest-v4 .iv4-section-prose {
  font-size: 1rem;
  color: var(--ink-soft);
  line-height: 1.55;
  max-width: 42rem;
  margin: 0;
}
body.interest-v4 .iv4-section-prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.92em;
  padding: 0.1em 0.4em;
  border-radius: 4px;
  background: color-mix(in oklab, var(--fg) 7%, transparent);
  color: var(--ink);
}

/* CAPABILITIES */
body.interest-v4 .iv4-cap {
  padding: clamp(4rem, 8vw, 7rem) clamp(1.25rem, 5vw, 4rem);
  max-width: 80rem;
  margin: 0 auto;
  opacity: 0; transform: translateY(20px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
body.interest-v4 .iv4-cap.is-in { opacity: 1; transform: none; }

body.interest-v4 .iv4-cap-head {
  max-width: 48rem;
  margin: 0 0 3rem;
}

body.interest-v4 .iv4-cap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}

body.interest-v4 .iv4-cap-card {
  position: relative;
  padding: 1.6rem 1.5rem 1.7rem;
  border-radius: 1.1rem;
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  border: 1px solid color-mix(in oklab, var(--fg) 10%, transparent);
  backdrop-filter: blur(6px) saturate(1.1);
  -webkit-backdrop-filter: blur(6px) saturate(1.1);
  opacity: 0; transform: translateY(14px);
  transition: opacity 500ms var(--ease), transform 500ms var(--ease),
              border-color 220ms var(--ease), background 220ms var(--ease);
}
body.interest-v4 .iv4-cap-card.is-in { opacity: 1; transform: none; }
body.interest-v4 .iv4-cap-card:hover {
  border-color: var(--accent-edge);
  background: color-mix(in oklab, var(--bg) 88%, transparent);
}
body.interest-v4 .iv4-cap-icon {
  width: 28px; height: 28px;
  color: var(--accent);
  margin-bottom: 0.95rem;
  display: block;
}
body.interest-v4 .iv4-cap-card h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.18rem;
  line-height: 1.3;
  color: var(--ink);
  margin: 0 0 0.45rem;
  letter-spacing: -0.004em;
}
body.interest-v4 .iv4-cap-card p {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
}

/* DIPTYCH */
body.interest-v4 .iv4-diptych {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
  max-width: 78rem;
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) clamp(1.25rem, 5vw, 4rem);
  opacity: 0; transform: translateY(20px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
body.interest-v4 .iv4-diptych.is-in { opacity: 1; transform: none; }
body.interest-v4 .iv4-diptych-eyebrow {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
}
body.interest-v4 .iv4-quote {
  margin: 0;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.4rem, 2.6vw, 2.1rem);
  line-height: 1.3;
  color: var(--ink);
  border-left: 2px solid var(--accent);
  padding-left: 1.4rem;
  letter-spacing: -0.004em;
  text-wrap: balance;
}
body.interest-v4 .iv4-quote p { margin: 0; }
body.interest-v4 .iv4-diptych-right p {
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0 0 1rem;
  max-width: 36rem;
}
body.interest-v4 .iv4-diptych-right p:last-child { margin-bottom: 0; }

/* FORM SECTION */
body.interest-v4 .iv4-form-section {
  max-width: 56rem;
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) clamp(1.25rem, 5vw, 4rem) clamp(4rem, 8vw, 7rem);
  opacity: 0; transform: translateY(20px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
body.interest-v4 .iv4-form-section.is-in { opacity: 1; transform: none; }

body.interest-v4 .iv4-form-head {
  margin: 0 0 2rem;
}

body.interest-v4 .iv4-form-card {
  padding: clamp(1.5rem, 3vw, 2.4rem);
  border-radius: 1.25rem;
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  border: 1px solid color-mix(in oklab, var(--fg) 12%, transparent);
  backdrop-filter: blur(10px) saturate(1.15);
  -webkit-backdrop-filter: blur(10px) saturate(1.15);
  box-shadow:
    0 30px 80px -40px color-mix(in oklab, var(--accent) 30%, transparent),
    0 1px 0 0 color-mix(in oklab, var(--fg) 6%, transparent) inset;
}

/* Re-style the existing .interest-form fields for the card surface */
body.interest-v4 .iv4-form .field-label {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}
body.interest-v4 .iv4-form input[type="text"],
body.interest-v4 .iv4-form input[type="email"],
body.interest-v4 .iv4-form select,
body.interest-v4 .iv4-form textarea {
  background: color-mix(in oklab, var(--bg) 60%, transparent);
  border: 1px solid color-mix(in oklab, var(--fg) 14%, transparent);
  border-radius: 0.6rem;
  color: var(--ink);
  padding: 0.65rem 0.8rem;
  font-size: 0.98rem;
  transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease),
              background 160ms var(--ease);
}
body.interest-v4 .iv4-form input:focus,
body.interest-v4 .iv4-form select:focus,
body.interest-v4 .iv4-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  background: color-mix(in oklab, var(--bg) 75%, transparent);
}
body.interest-v4 .iv4-form .radio {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.4rem 0.75rem;
  margin: 0.25rem 0.4rem 0.25rem 0;
  border-radius: var(--r-pill);
  border: 1px solid color-mix(in oklab, var(--fg) 12%, transparent);
  font-size: 0.9rem;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 140ms var(--ease), background 140ms var(--ease);
}
body.interest-v4 .iv4-form .radio:hover {
  border-color: var(--accent-edge);
  background: var(--accent-soft);
}
body.interest-v4 .iv4-form .radio input[type="radio"] {
  accent-color: var(--accent);
}
body.interest-v4 .iv4-form label.checkbox {
  display: flex; align-items: flex-start; gap: 0.55rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin: 0.5rem 0 0.25rem;
}
body.interest-v4 .iv4-form label.checkbox input[type="checkbox"] {
  accent-color: var(--accent);
  margin-top: 3px;
}
body.interest-v4 .iv4-form button[type="submit"] {
  align-self: flex-start;
  margin-top: 0.5rem;
  padding: 0.85rem 1.6rem;
  border: 1px solid var(--accent);
  border-radius: var(--r-pill);
  background: var(--accent);
  color: var(--bg);
  font-size: 0.98rem;
  font-weight: 500;
  cursor: pointer;
  transition: transform 160ms var(--ease), background 160ms var(--ease);
  box-shadow: 0 8px 24px -12px color-mix(in oklab, var(--accent) 60%, transparent);
}
body.interest-v4 .iv4-form button[type="submit"]:hover {
  transform: translateY(-1px);
  background: var(--accent-strong);
}
body.interest-v4 .iv4-form button[type="submit"]:active { transform: translateY(0); }

body.interest-v4 #interest-msg.status {
  margin-top: 1rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
}
body.interest-v4 #interest-msg.status[data-kind="ok"] { color: var(--accent); }
body.interest-v4 #interest-msg.status[data-kind="error"] { color: #e2545a; }

/* COLOPHON */
body.interest-v4 .iv4-colophon {
  padding: clamp(2rem, 5vw, 4rem) clamp(1.25rem, 5vw, 4rem) clamp(3rem, 6vw, 5rem);
  max-width: 80rem;
  margin: 0 auto;
  border-top: 1px solid color-mix(in oklab, var(--fg) 8%, transparent);
  opacity: 0; transform: translateY(12px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
body.interest-v4 .iv4-colophon.is-in { opacity: 1; transform: none; }
body.interest-v4 .iv4-colophon footer {
  font-size: 0.88rem;
  color: var(--ink-soft);
  text-align: center;
}
body.interest-v4 .iv4-colophon a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in oklab, var(--fg) 18%, transparent);
}
body.interest-v4 .iv4-colophon a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* MOBILE */
@media (max-width: 48rem) {
  body.interest-v4 .iv4-diptych {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
  }
  body.interest-v4 .iv4-quote {
    font-size: 1.3rem;
    padding-left: 1.1rem;
  }
}
@media (max-width: 40rem) {
  body.interest-v4 .iv4-hero {
    padding-top: clamp(2rem, 7vw, 4rem);
    min-height: auto;
  }
  body.interest-v4 .iv4-cap,
  body.interest-v4 .iv4-diptych,
  body.interest-v4 .iv4-form-section {
    transition-duration: 320ms;
    transform: translateY(10px);
  }
  body.interest-v4 .iv4-cap-card {
    transition-duration: 280ms;
  }
  body.interest-v4 .iv4-cta-row { width: 100%; }
  body.interest-v4 .iv4-cta { width: 100%; justify-content: center; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  body.interest-v4 .iv4-cap,
  body.interest-v4 .iv4-diptych,
  body.interest-v4 .iv4-form-section,
  body.interest-v4 .iv4-colophon,
  body.interest-v4 .iv4-cap-card {
    opacity: 1 !important; transform: none !important;
  }
  body.interest-v4 .aurora > span { animation: none !important; }
}

/* =================================================================
   TOOLSPACE PAGE — v4 design system, scoped to body.toolspace-v4
   Re-uses home-v4 shell (nav pill, body bg, design tokens)
   ================================================================= */

/* Aurora positioning inside tv4 hero */
body.toolspace-v4 .tv4-hero .aurora {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  overflow: clip;
}
body.toolspace-v4 .cursor-orb { display: none; }

/* HERO */
body.toolspace-v4 .tv4-hero {
  position: relative;
  min-height: min(88svh, 820px);
  padding: clamp(2.5rem, 7vw, 6rem) clamp(1.25rem, 5vw, 4rem) clamp(3rem, 6vw, 5rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  place-items: center;
  isolation: isolate;
  overflow: clip;
}
body.toolspace-v4 .tv4-hero > * { min-width: 0; }
body.toolspace-v4 .tv4-hero-inner {
  position: relative;
  width: 100%;
  max-width: 60rem;
  text-align: left;
}

body.toolspace-v4 .tv4-eyebrow {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 1.4rem;
}
body.toolspace-v4 .tv4-eyebrow .dot { color: var(--accent); }

body.toolspace-v4 .tv4-display {
  font-family: var(--serif, "Iowan Old Style", Georgia, serif);
  font-weight: 400;
  letter-spacing: -0.012em;
  font-size: clamp(2.6rem, 6.5vw, 5.4rem);
  line-height: 1.02;
  margin: 0 0 1.6rem;
  color: var(--ink);
  text-wrap: balance;
}
body.toolspace-v4 .tv4-display .tv4-emph {
  font-style: italic;
  color: var(--accent);
}

body.toolspace-v4 .tv4-lede {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.55;
  color: var(--ink);
  max-width: 46rem;
  margin: 0 0 1rem;
}
body.toolspace-v4 .tv4-lede a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-edge);
}
body.toolspace-v4 .tv4-lede a:hover { border-bottom-color: var(--accent); }

body.toolspace-v4 .tv4-prose {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: 46rem;
  margin: 0 0 1.2rem;
}
body.toolspace-v4 .tv4-prose strong { color: var(--ink); font-weight: 600; }
body.toolspace-v4 .tv4-prose a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in oklab, var(--fg) 18%, transparent);
}
body.toolspace-v4 .tv4-prose a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* Hero CTA row — quick links to registry / spec / federation / changelog */
body.toolspace-v4 .tv4-cta-row {
  display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center;
  margin: 1.6rem 0 0.5rem;
}
body.toolspace-v4 .tv4-cta {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.72rem 1.15rem;
  border-radius: var(--r-pill, 999px);
  font-size: 0.92rem; font-weight: 500;
  text-decoration: none; line-height: 1;
  transition: transform 180ms var(--ease), background-color 180ms var(--ease),
              border-color 180ms var(--ease), color 180ms var(--ease);
}
body.toolspace-v4 .tv4-cta.primary {
  background: var(--accent);
  color: var(--bg);
  border: 1px solid var(--accent);
  box-shadow:
    0 8px 24px -10px color-mix(in oklab, var(--accent) 60%, transparent),
    0 0 0 1px color-mix(in oklab, var(--accent) 15%, transparent);
}
body.toolspace-v4 .tv4-cta.primary:hover {
  transform: translateY(-1px);
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}
body.toolspace-v4 .tv4-cta.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid color-mix(in oklab, var(--fg) 18%, transparent);
}
body.toolspace-v4 .tv4-cta.ghost:hover {
  border-color: var(--accent-edge);
  color: var(--accent);
}
body.toolspace-v4 .tv4-cta svg {
  width: 14px; height: 14px;
  opacity: 0.8;
}

/* Quickstart card: lifted to the hero base */
body.toolspace-v4 .tv4-quickstart {
  margin-top: 2rem;
  padding: 1.1rem 1.3rem 1.2rem;
  max-width: 46rem;
  border-radius: 1rem;
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  border: 1px solid color-mix(in oklab, var(--accent) 24%, transparent);
  backdrop-filter: blur(8px) saturate(1.15);
  -webkit-backdrop-filter: blur(8px) saturate(1.15);
  box-shadow: 0 24px 60px -34px color-mix(in oklab, var(--accent) 40%, transparent);
}
body.toolspace-v4 .tv4-quickstart-label {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.55rem;
}
body.toolspace-v4 .tv4-quickstart pre {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-word;
}

/* Section eyebrow / title / prose — shared rhythm */
body.toolspace-v4 .tv4-section-eyebrow {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.85rem;
}
body.toolspace-v4 .tv4-section-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 3.6vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.008em;
  color: var(--ink);
  margin: 0 0 1rem;
  max-width: 36rem;
  text-wrap: balance;
}
body.toolspace-v4 .tv4-section-prose {
  font-size: 1rem;
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 44rem;
  margin: 0 0 1.2rem;
}
body.toolspace-v4 .tv4-section-prose code,
body.toolspace-v4 .tv4-prose code,
body.toolspace-v4 .tv4-lede code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.92em;
  padding: 0.1em 0.4em;
  border-radius: 4px;
  background: color-mix(in oklab, var(--fg) 7%, transparent);
  color: var(--ink);
}
body.toolspace-v4 .tv4-section-prose a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in oklab, var(--fg) 18%, transparent);
}
body.toolspace-v4 .tv4-section-prose a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* Manifest example — editorial code block on glass */
body.toolspace-v4 .tv4-example {
  max-width: 76rem;
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) clamp(1.25rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
  opacity: 0; transform: translateY(20px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
body.toolspace-v4 .tv4-example.is-in { opacity: 1; transform: none; }
body.toolspace-v4 .tv4-code-surface {
  margin: 0;
  padding: 1.2rem 1.3rem;
  border-radius: 1rem;
  background: color-mix(in oklab, var(--bg) 92%, transparent);
  border: 1px solid color-mix(in oklab, var(--fg) 12%, transparent);
  backdrop-filter: blur(8px) saturate(1.1);
  -webkit-backdrop-filter: blur(8px) saturate(1.1);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--ink);
  overflow-x: auto;
  box-shadow: 0 20px 50px -30px color-mix(in oklab, var(--accent) 28%, transparent);
}

/* CAPABILITIES — re-used for "for agents" surfaces */
body.toolspace-v4 .tv4-cap {
  padding: clamp(3.5rem, 7vw, 6rem) clamp(1.25rem, 5vw, 4rem);
  max-width: 80rem;
  margin: 0 auto;
  opacity: 0; transform: translateY(20px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
body.toolspace-v4 .tv4-cap.is-in { opacity: 1; transform: none; }
body.toolspace-v4 .tv4-cap-head { max-width: 48rem; margin: 0 0 2.5rem; }
body.toolspace-v4 .tv4-cap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}
body.toolspace-v4 .tv4-cap-card {
  position: relative;
  padding: 1.6rem 1.5rem 1.7rem;
  border-radius: 1.1rem;
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  border: 1px solid color-mix(in oklab, var(--fg) 10%, transparent);
  backdrop-filter: blur(6px) saturate(1.1);
  -webkit-backdrop-filter: blur(6px) saturate(1.1);
  opacity: 0; transform: translateY(14px);
  transition: opacity 500ms var(--ease), transform 500ms var(--ease),
              border-color 220ms var(--ease), background 220ms var(--ease);
}
body.toolspace-v4 .tv4-cap-card.is-in { opacity: 1; transform: none; }
body.toolspace-v4 .tv4-cap-card:hover {
  border-color: var(--accent-edge);
  background: color-mix(in oklab, var(--bg) 88%, transparent);
}
body.toolspace-v4 .tv4-cap-icon {
  width: 28px; height: 28px;
  color: var(--accent);
  margin-bottom: 0.95rem;
  display: block;
}
body.toolspace-v4 .tv4-cap-card h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.18rem;
  line-height: 1.3;
  color: var(--ink);
  margin: 0 0 0.5rem;
  letter-spacing: -0.004em;
  display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap;
}
body.toolspace-v4 .tv4-cap-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 0.7rem;
}
body.toolspace-v4 .tv4-cap-card p:last-child { margin-bottom: 0; }
body.toolspace-v4 .tv4-cap-card a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in oklab, var(--fg) 18%, transparent);
}
body.toolspace-v4 .tv4-cap-card a:hover { color: var(--accent); border-bottom-color: var(--accent); }
body.toolspace-v4 .tv4-cap-card code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88em;
  padding: 0.08em 0.35em;
  border-radius: 4px;
  background: color-mix(in oklab, var(--fg) 7%, transparent);
}

/* Version pill — inline next to "Schema" headline */
body.toolspace-v4 .tv4-pill {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.22em 0.6em;
  border-radius: var(--r-pill);
  vertical-align: middle;
  border: 1px solid color-mix(in oklab, var(--fg) 16%, transparent);
  color: var(--ink-soft);
  background: transparent;
}
body.toolspace-v4 .tv4-pill.stable {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--accent-edge);
}

/* DIPTYCH — "For humans" */
body.toolspace-v4 .tv4-diptych {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
  max-width: 78rem;
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) clamp(1.25rem, 5vw, 4rem);
  opacity: 0; transform: translateY(20px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
body.toolspace-v4 .tv4-diptych.is-in { opacity: 1; transform: none; }
body.toolspace-v4 .tv4-diptych-right p {
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0 0 1rem;
  max-width: 38rem;
}
body.toolspace-v4 .tv4-diptych-right p:last-child { margin-bottom: 0; }
body.toolspace-v4 .tv4-diptych-right code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.92em;
  padding: 0.1em 0.4em;
  border-radius: 4px;
  background: color-mix(in oklab, var(--fg) 7%, transparent);
}
body.toolspace-v4 .tv4-diptych-right a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in oklab, var(--fg) 18%, transparent);
}
body.toolspace-v4 .tv4-diptych-right a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* CLI block — single glass mono surface */
body.toolspace-v4 .tv4-cli {
  max-width: 60rem;
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) clamp(1.25rem, 5vw, 4rem);
  opacity: 0; transform: translateY(20px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
body.toolspace-v4 .tv4-cli.is-in { opacity: 1; transform: none; }
body.toolspace-v4 .tv4-cli-head { margin: 0 0 1.8rem; }

/* COLOPHON */
body.toolspace-v4 .tv4-colophon {
  padding: clamp(2rem, 5vw, 4rem) clamp(1.25rem, 5vw, 4rem) clamp(3rem, 6vw, 5rem);
  max-width: 80rem;
  margin: 0 auto;
  border-top: 1px solid color-mix(in oklab, var(--fg) 8%, transparent);
  opacity: 0; transform: translateY(12px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
body.toolspace-v4 .tv4-colophon.is-in { opacity: 1; transform: none; }
body.toolspace-v4 .tv4-colophon footer {
  font-size: 0.88rem;
  color: var(--ink-soft);
  text-align: center;
}
body.toolspace-v4 .tv4-colophon a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in oklab, var(--fg) 18%, transparent);
}
body.toolspace-v4 .tv4-colophon a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* MOBILE */
@media (max-width: 56rem) {
  body.toolspace-v4 .tv4-example {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
  }
}
/* Keep all nav links visible at narrow widths — shrink type/padding instead of hiding. */
@media (max-width: 40rem) {
  body.toolspace-v4 header.site-nav.v4 {
    top: 0.5rem; margin-top: 0.5rem;
    padding: 0.32rem 0.4rem 0.32rem 0.85rem;
    width: calc(100% - 1.5rem); gap: 0.45rem;
  }
  body.toolspace-v4 header.site-nav.v4 .brand { font-size: 0.92rem; gap: 0.4rem; }
  body.toolspace-v4 header.site-nav.v4 .brand-glyph { width: 18px; height: 18px; }
  body.toolspace-v4 header.site-nav.v4 nav { padding: 0.15rem; gap: 0; }
  body.toolspace-v4 header.site-nav.v4 nav a {
    padding: 0.28rem 0.42rem; font-size: 0.72rem; letter-spacing: 0;
  }
}
@media (max-width: 48rem) {
  body.toolspace-v4 .tv4-diptych {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
  }
}
@media (max-width: 40rem) {
  body.toolspace-v4 .tv4-hero {
    padding-top: clamp(2rem, 7vw, 4rem);
    min-height: auto;
  }
  body.toolspace-v4 .tv4-quickstart { padding: 0.95rem 1rem 1.05rem; }
  body.toolspace-v4 .tv4-quickstart pre { font-size: 0.82rem; }
  body.toolspace-v4 .tv4-code-surface { font-size: 0.78rem; padding: 0.95rem 1rem; }
  body.toolspace-v4 .tv4-example,
  body.toolspace-v4 .tv4-cap,
  body.toolspace-v4 .tv4-diptych,
  body.toolspace-v4 .tv4-cli {
    transition-duration: 320ms;
    transform: translateY(10px);
  }
  body.toolspace-v4 .tv4-cap-card { transition-duration: 280ms; }
  body.toolspace-v4 .tv4-cta-row { width: 100%; gap: 0.5rem; }
  body.toolspace-v4 .tv4-cta { flex: 1 1 calc(50% - 0.5rem); justify-content: center; padding: 0.7rem 0.6rem; font-size: 0.86rem; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  body.toolspace-v4 .tv4-example,
  body.toolspace-v4 .tv4-cap,
  body.toolspace-v4 .tv4-diptych,
  body.toolspace-v4 .tv4-cli,
  body.toolspace-v4 .tv4-colophon,
  body.toolspace-v4 .tv4-cap-card {
    opacity: 1 !important; transform: none !important;
  }
  body.toolspace-v4 .aurora > span { animation: none !important; }
}

/* ===============================================================
   CHANGELOG — v4 (body.changelog-v4)
   Chronological log of releases. Glass cards, accent tag pills.
   =============================================================== */

body.changelog-v4 main.v4-shell { max-width: 100%; }

/* --- HERO --- */
body.changelog-v4 .cv4-hero {
  position: relative;
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1.25rem, 5vw, 4rem) clamp(1.5rem, 3vw, 2.5rem);
  isolation: isolate;
  overflow: clip;
}
body.changelog-v4 .cv4-hero > * { min-width: 0; }
body.changelog-v4 .cv4-hero .aurora {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  overflow: clip;
}
body.changelog-v4 .cv4-hero .aurora .aurora-1,
body.changelog-v4 .cv4-hero .aurora .aurora-2 {
  position: absolute; display: block; border-radius: 50%;
  filter: blur(70px); mix-blend-mode: screen;
}
body.changelog-v4 .cv4-hero .aurora .aurora-1 {
  top: -28%; left: -12%; width: 50vw; height: 50vw;
  background: conic-gradient(from 100deg at 50% 50%,
    color-mix(in oklab, var(--accent) 28%, transparent),
    transparent 35%,
    color-mix(in oklab, var(--accent) 18%, transparent) 60%,
    transparent 80%);
  opacity: 0.6;
  animation: v4-drift1 22s ease-in-out infinite alternate;
}
body.changelog-v4 .cv4-hero .aurora .aurora-2 {
  top: -18%; right: -14%; width: 46vw; height: 46vw;
  background: conic-gradient(from 280deg at 50% 50%,
    color-mix(in oklab, var(--accent-strong) 22%, transparent),
    transparent 30%,
    color-mix(in oklab, var(--accent) 12%, transparent) 55%,
    transparent 80%);
  opacity: 0.5;
  animation: v4-drift2 26s ease-in-out infinite alternate;
}
@media (prefers-color-scheme: light) {
  body.changelog-v4 .cv4-hero .aurora > span { mix-blend-mode: multiply; opacity: 0.4; }
}

body.changelog-v4 .cv4-hero-stage {
  max-width: 56rem; margin: 0 auto; width: 100%;
  opacity: 0; transform: translateY(8px);
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
}
body.changelog-v4 .cv4-hero-stage.is-in { opacity: 1; transform: none; }

body.changelog-v4 .cv4-display {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5.5vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  font-weight: 500;
  margin: 0 0 1rem;
  color: var(--ink);
  max-width: 20ch;
}
body.changelog-v4 .cv4-display .serif-italic {
  font-style: italic;
  color: var(--accent);
}
body.changelog-v4 .cv4-lede {
  max-width: 40rem; margin: 0;
  font-size: clamp(1.02rem, 1.2vw + 0.7rem, 1.2rem);
  color: var(--ink-soft); line-height: 1.55;
}
body.changelog-v4 .cv4-lede a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-edge);
}
body.changelog-v4 .cv4-lede a:hover { border-bottom-color: var(--accent); }
body.changelog-v4 .cv4-lede code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.92em;
}

/* --- LOG WRAPPER --- */
body.changelog-v4 .cv4-log-wrap {
  max-width: 56rem; margin: 0 auto; width: 100%;
  padding: clamp(1rem, 3vw, 2rem) clamp(1.25rem, 5vw, 4rem) clamp(3rem, 6vw, 5rem);
}
body.changelog-v4 .cv4-log {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}
body.changelog-v4 .cv4-log > * { min-width: 0; }

/* --- ENTRY CARD --- */
body.changelog-v4 .cv4-entry {
  position: relative;
  padding: 1.4rem 1.5rem 1.25rem;
  background: var(--glass);
  -webkit-backdrop-filter: blur(10px) saturate(1.2);
          backdrop-filter: blur(10px) saturate(1.2);
  border: 1px solid var(--glass-edge);
  border-radius: 14px;
  box-shadow: 0 1px 0 color-mix(in oklab, white 4%, transparent) inset;
  transition: opacity 520ms var(--ease),
              transform 520ms var(--ease),
              border-color 240ms var(--ease),
              box-shadow 240ms var(--ease),
              background 240ms var(--ease);
  opacity: 0;
  transform: translateY(12px);
}
body.changelog-v4 .cv4-entry.is-in { opacity: 1; transform: none; }
body.changelog-v4 .cv4-entry:hover {
  border-color: var(--accent-edge);
  background: color-mix(in oklab, var(--bg) 60%, transparent);
  box-shadow:
    0 1px 0 color-mix(in oklab, white 5%, transparent) inset,
    0 14px 36px -22px color-mix(in oklab, var(--accent) 30%, var(--shadow-tint));
}

body.changelog-v4 .cv4-entry-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.85rem;
  margin-bottom: 0.7rem;
}
body.changelog-v4 .cv4-tag {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-edge);
  border-radius: var(--r-pill);
  padding: 0.18rem 0.65rem;
  white-space: nowrap;
}
body.changelog-v4 .cv4-label {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  line-height: 1.25;
  font-weight: 500;
  color: var(--ink);
  flex: 1 1 14rem;
  min-width: 0;
}
body.changelog-v4 .cv4-label em {
  font-style: italic;
  color: var(--ink);
}
body.changelog-v4 .cv4-date {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-left: auto;
  white-space: nowrap;
}

body.changelog-v4 .cv4-changes {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--ink-soft);
  font-size: 0.96rem;
  line-height: 1.65;
}
body.changelog-v4 .cv4-changes li { margin: 0 0 0.35rem; }
body.changelog-v4 .cv4-changes li:last-child { margin-bottom: 0; }
body.changelog-v4 .cv4-changes li::marker { color: var(--accent); }
body.changelog-v4 .cv4-changes em {
  font-family: var(--serif); font-style: italic; color: var(--ink);
}
body.changelog-v4 .cv4-changes a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-edge);
}
body.changelog-v4 .cv4-changes a:hover { border-bottom-color: var(--accent); }
body.changelog-v4 .cv4-changes code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88em;
  padding: 0.06em 0.35em;
  border-radius: 4px;
  background: color-mix(in oklab, var(--fg) 6%, transparent);
  color: var(--ink);
}

body.changelog-v4 .cv4-json-note {
  margin-top: 2rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  text-align: center;
}
body.changelog-v4 .cv4-json-note a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-edge);
}
body.changelog-v4 .cv4-json-note a:hover { border-bottom-color: var(--accent); }

/* --- Colophon --- */
body.changelog-v4 .v4-colophon {
  max-width: 56rem; margin: 0 auto; width: 100%;
  padding: clamp(2rem, 5vw, 4rem) clamp(1.25rem, 5vw, 4rem) 2rem;
  border-top: 1px solid var(--glass-edge);
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.85rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
}
body.changelog-v4 .v4-colophon.is-in { opacity: 1; transform: none; }
body.changelog-v4 .v4-colophon a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--glass-edge);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}
body.changelog-v4 .v4-colophon a:hover { color: var(--accent); border-color: var(--accent-edge); }

/* --- Mobile --- */
@media (max-width: 40rem) {
  body.changelog-v4 .cv4-hero {
    padding: clamp(1.25rem, 4vw, 2rem) 1.1rem clamp(1rem, 3vw, 1.5rem);
  }
  body.changelog-v4 .cv4-log-wrap {
    padding-left: 1.1rem;
    padding-right: 1.1rem;
  }
  body.changelog-v4 .cv4-entry { padding: 1.15rem 1.1rem 1rem; border-radius: 12px; }
  body.changelog-v4 .cv4-display { font-size: clamp(2rem, 8vw, 2.6rem); max-width: none; }
  body.changelog-v4 .cv4-date { margin-left: 0; }
  body.changelog-v4 .cv4-label { flex-basis: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  body.changelog-v4 .cv4-entry,
  body.changelog-v4 .cv4-hero-stage,
  body.changelog-v4 .v4-colophon {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  body.changelog-v4 .cv4-hero .aurora > span { animation: none !important; }
}