/* ═══════════════════════════════════════════════════════════════
   CLAUGE — site.css · v4 design system
   Light, minimal, calm. Dark app windows framed on warm paper.
   Token NAMES kept from v3 so every page inherits automatically.
   ═══════════════════════════════════════════════════════════════ */

/* ── tokens ─────────────────────────────────────────────────── */
:root {
  --bg-0: #fafaf8;
  --bg-1: #ffffff;
  --bg-2: #f3f3f0;
  --bg-3: #ebebe7;

  --ink: #16181d;
  --ink-dim: #5a5f6a;
  --ink-faint: #9ca1ab;

  /* accent (token name kept from v3 for zero-touch sub-pages) */
  --lime: #5a50e8;
  --lime-deep: #4338ca;
  --violet: #7a5cff;
  --cyan: #0e7e96;

  --line: rgba(22, 24, 29, 0.08);
  --line-strong: rgba(22, 24, 29, 0.16);
  --lime-line: rgba(90, 80, 232, 0.32);

  --font-display: "Instrument Sans", system-ui, sans-serif;
  --font-body: "Instrument Sans", system-ui, sans-serif;
  --font-mono: "Spline Sans Mono", ui-monospace, "SF Mono", monospace;

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;

  --container: 1120px;
  --header-h: 64px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* dark palette used ONLY inside app-window demos/mocks */
  --w-bg: #101317;
  --w-bg-2: #15191f;
  --w-bg-3: #1c2129;
  --w-line: rgba(255, 255, 255, 0.08);
  --w-line-strong: rgba(255, 255, 255, 0.14);
  --w-ink: #eceff3;
  --w-dim: #98a0ab;
  --w-faint: #5c646e;
  --w-acc: #9d8cff;
  --w-acc-line: rgba(157, 140, 255, 0.35);
  --w-green: #4ade80;
  --w-amber: #fbbf24;
}

/* ── reset / base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg-0);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
h1, h2, h3, h4, h5, h6, p, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }

::selection { background: rgba(90, 80, 232, 0.18); }

:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  padding: 10px 16px; background: var(--ink); color: #fff;
  font-weight: 600; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ── atmosphere: whisper-soft, no noise ─────────────────────── */
.bg-field {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(950px 540px at 12% -8%, rgba(122, 92, 255, 0.16), transparent 62%),
    radial-gradient(850px 500px at 85% -10%, rgba(14, 126, 150, 0.13), transparent 60%),
    radial-gradient(720px 440px at 55% 4%, rgba(255, 166, 113, 0.1), transparent 65%),
    radial-gradient(600px 380px at 35% 12%, rgba(244, 114, 182, 0.06), transparent 60%),
    var(--bg-0);
}

/* ── layout primitives ──────────────────────────────────────── */
.container {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--lime);
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--lime);
}
.eyebrow i { font-size: 12px; }

.grad { color: var(--lime); }

.mono-note {
  font-family: var(--font-mono);
  font-size: 11.5px; letter-spacing: 0.04em;
  color: var(--ink-faint);
}

/* ── buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-body); font-size: 15px; font-weight: 600;
  padding: 13px 24px; border-radius: 10px;
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out),
              background 0.2s, border-color 0.2s, color 0.2s, opacity 0.2s;
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--ink); color: #fff;
  box-shadow: 0 1px 2px rgba(22, 24, 29, 0.2);
}
.btn-primary:hover { background: #000; transform: translateY(-1px); box-shadow: 0 6px 20px -6px rgba(22, 24, 29, 0.35); }
.btn-primary .btn-chip {
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 500;
  letter-spacing: 0.04em;
  padding: 3px 8px; border-radius: 6px;
  background: rgba(255, 255, 255, 0.16); color: rgba(255, 255, 255, 0.85);
}

.btn-chip-count {
  display: inline-flex; align-items: center; gap: 5px;
}
.btn-chip-count i { font-size: 9px; }

.btn-ghost {
  background: var(--bg-1);
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--ink-faint); transform: translateY(-1px); }
.btn-ghost .btn-chip {
  font-family: var(--font-mono); font-size: 10.5px;
  padding: 3px 8px; border-radius: 6px;
  background: var(--bg-2); color: var(--ink-dim);
}

.btn-sm { padding: 9px 17px; font-size: 13.5px; border-radius: 9px; }

.text-link {
  color: var(--ink-dim); font-size: 13.5px;
  transition: color 0.2s;
}
.text-link u { text-underline-offset: 3px; }
.text-link:hover { color: var(--lime); }

/* ── header ─────────────────────────────────────────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background 0.25s, border-color 0.25s, backdrop-filter 0.25s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(250, 250, 248, 0.85);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.header-wrap {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 18px;
  letter-spacing: -0.01em;
}
.brand img { width: 25px; height: 25px; }
.site-nav { display: flex; align-items: center; gap: 2px; }
.site-nav a {
  font-size: 14px; font-weight: 500; color: var(--ink-dim);
  padding: 8px 12px; border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.site-nav a:hover, .site-nav a.is-active { color: var(--ink); background: var(--bg-2); }
.site-nav a.nav-gh {
  margin-left: 8px;
  color: #fff;
  background: var(--ink);
}
.site-nav a.nav-gh:hover { background: #000; color: #fff; }
.gh-stars {
  display: inline-flex; align-items: center; gap: 5px;
  margin-left: 7px; padding-left: 9px;
  border-left: 1px solid rgba(255, 255, 255, 0.25);
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
}
.gh-stars i { font-size: 9px; }

@media (max-width: 860px) {
  .site-nav a:not(.nav-gh) { display: none; }
}

/* ── hero ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 44px) 0 0;
  text-align: center;
}
.hero-headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 6.2vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  margin: 0 auto;
  max-width: 22ch;
}
.hero-headline em { font-style: normal; color: var(--lime); }
.hero-sub {
  margin: 22px auto 0;
  max-width: 620px;
  font-size: clamp(16px, 1.9vw, 18px);
  color: var(--ink-dim);
  line-height: 1.6;
}
.hero-sub b { color: var(--ink); font-weight: 600; }

.hero-ctas {
  margin-top: 32px;
  display: flex; align-items: center; justify-content: center;
  gap: 12px; flex-wrap: wrap;
}
.hero-alt { margin-top: 14px; min-height: 20px; }
.hero-alt .text-link + .text-link { margin-left: 16px; }

.hero-platforms {
  margin-top: 12px;
  display: flex; justify-content: center; align-items: center; gap: 13px;
}
.hero-platforms i { font-size: 14px; color: var(--ink-faint); }

/* works-with row */
.works-with {
  margin-top: 44px;
  display: flex; align-items: center; justify-content: center;
  gap: 12px 28px; flex-wrap: wrap;
}
.works-with .ww-label {
  font-size: 12.5px; font-weight: 500;
  color: var(--ink-faint);
  margin-right: 4px;
}
.ww-item {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13.5px; font-weight: 600;
  color: var(--ink-dim);
}
.ww-item img, .ww-item svg { width: 17px; height: 17px; opacity: 0.75; }

/* staggered load reveal */
.fade-up { opacity: 0; transform: translateY(18px); animation: fadeUp 0.8s var(--ease-out) forwards; }
.fade-up.d1 { animation-delay: 0.06s; }
.fade-up.d2 { animation-delay: 0.14s; }
.fade-up.d3 { animation-delay: 0.24s; }
.fade-up.d4 { animation-delay: 0.34s; }
.fade-up.d5 { animation-delay: 0.46s; }
@keyframes fadeUp { to { opacity: 1; transform: none; } }

/* ═══ APP WINDOW (hero demo) — dark UI framed on light page ═══ */
.demo-wrap {
  position: relative;
  margin: 56px auto 0;
  width: min(1180px, calc(100% - 32px));
}
.demo-wrap::before {
  content: ""; position: absolute; inset: -8% -12% -14%;
  z-index: -1; pointer-events: none;
  background:
    radial-gradient(55% 65% at 30% 25%, rgba(122, 92, 255, 0.18), transparent 65%),
    radial-gradient(55% 65% at 72% 35%, rgba(14, 126, 150, 0.14), transparent 65%);
  filter: blur(44px);
}

.demo {
  border: 1px solid rgba(22, 24, 29, 0.1);
  border-radius: 14px;
  background: var(--w-bg);
  box-shadow:
    0 1px 2px rgba(22, 24, 29, 0.08),
    0 24px 70px -24px rgba(22, 24, 29, 0.35);
  overflow: hidden;
  text-align: left;
  font-size: 13px;
  color: var(--w-dim);
}
.demo.no-ai .demo-ai { display: none; }

.demo-chrome {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--w-line);
  background: var(--w-bg-2);
}
/* macOS traffic lights — exact system colors */
.demo-dots { display: flex; gap: 8px; }
.demo-dots span {
  width: 12px; height: 12px; border-radius: 50%;
  box-shadow: inset 0 0 0 0.5px rgba(0, 0, 0, 0.2);
}
.demo-dots span:nth-child(1) { background: #ff5f57; }
.demo-dots span:nth-child(2) { background: #febc2e; }
.demo-dots span:nth-child(3) { background: #28c840; }
.demo-title {
  flex: 1; text-align: center;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em;
  color: var(--w-faint);
}
.demo-mode-pill {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--w-acc);
  border: 1px solid var(--w-acc-line); border-radius: 999px;
  padding: 3px 10px;
}

.demo-body {
  display: grid;
  grid-template-columns: 88px 230px 1fr;
  min-height: 600px;
}

/* mode rail */
.demo-rail {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 10px 0;
  border-right: 1px solid var(--w-line);
  background: rgba(0, 0, 0, 0.22);
}
.rail-btn {
  width: 72px; min-height: 52px; border-radius: 10px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  padding: 7px 2px;
  color: var(--w-faint); font-size: 15px;
  transition: color 0.2s, background 0.2s, box-shadow 0.2s;
}
.rail-btn:hover { color: var(--w-ink); background: rgba(255, 255, 255, 0.06); }
.rail-btn.is-active {
  color: var(--w-acc);
  background: rgba(157, 140, 255, 0.1);
  box-shadow: inset 0 0 0 1px var(--w-acc-line);
}
.rail-label {
  font-family: var(--font-mono);
  font-size: 8.5px; font-weight: 500;
  letter-spacing: 0.07em; text-transform: uppercase;
  line-height: 1;
}

/* sidebar */
.demo-side {
  border-right: 1px solid var(--w-line);
  padding: 14px 12px;
  background: rgba(0, 0, 0, 0.12);
  overflow: hidden;
}
.demo-side-title {
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.16em;
  color: var(--w-faint); text-transform: uppercase;
  margin-bottom: 10px;
}
.side-item {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 9px; border-radius: 9px;
  margin-bottom: 3px;
  border: 1px solid transparent;
}
.side-item.is-active { background: rgba(255, 255, 255, 0.05); border-color: var(--w-line); }
.side-glyph {
  width: 22px; height: 22px; border-radius: 7px; flex: none;
  display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 10px; font-weight: 600;
  background: rgba(157, 140, 255, 0.14);
  color: var(--w-ink);
  border: 1px solid var(--w-line-strong);
}
.side-name { font-size: 12.5px; font-weight: 600; line-height: 1.25; color: var(--w-ink); }
.side-meta { font-family: var(--font-mono); font-size: 9.5px; color: var(--w-faint); line-height: 1.3; }

/* main column */
.demo-main { display: flex; flex-direction: column; min-width: 0; }
.demo-tabs {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--w-line);
}
.demo-tab {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 10.5px;
  color: var(--w-faint);
  padding: 5px 11px; border-radius: 8px;
  border: 1px solid transparent;
}
.demo-tab.is-active { color: var(--w-ink); background: rgba(255, 255, 255, 0.05); border-color: var(--w-line); }
.demo-tab .tab-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--w-green); }

.demo-canvas {
  flex: 1;
  padding: 16px 18px;
  overflow: hidden;
  position: relative;
  min-height: 220px;
}

/* canvas content idioms (window-scoped, dark) */
.code-block {
  font-family: var(--font-mono); font-size: 12.5px; line-height: 1.8;
  white-space: pre-wrap; word-break: break-word;
  margin: 0;
  color: var(--w-dim);
}
.code-block .ln { display: inline-block; width: 22px; color: var(--w-faint); opacity: 0.55; user-select: none; }
.c-k { color: #b3a3ff; }
.c-s { color: #8fd460; }
.c-f { color: #6ecfee; }
.c-n { color: #ffb86b; }
.c-d { color: var(--w-faint); }
.c-ok { color: var(--w-green); }

.row-list { margin-top: 10px; display: flex; flex-direction: column; gap: 5px; }
.data-row {
  font-family: var(--font-mono); font-size: 11.5px;
  color: var(--w-dim);
  padding: 7px 10px;
  border: 1px solid var(--w-line); border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  display: flex; gap: 12px; align-items: center;
  animation: rowIn 0.35s var(--ease-out);
}
.data-row b { color: var(--w-ink); font-weight: 600; }
.data-row .ok { color: var(--w-green); }
.data-row .warn { color: var(--w-amber); }
@keyframes rowIn { from { opacity: 0; transform: translateY(6px); } }

/* kanban mini */
.kan { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; height: 100%; }
.kan-col { border: 1px solid var(--w-line); border-radius: 10px; padding: 9px; background: rgba(255, 255, 255, 0.015); }
.kan-col h6 { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--w-faint); margin: 0 0 8px; }
.kan-card {
  font-size: 11px; font-weight: 500; line-height: 1.35;
  border: 1px solid var(--w-line-strong); border-radius: 8px;
  padding: 8px 9px; margin-bottom: 7px;
  background: var(--w-bg-3);
  color: var(--w-ink);
  animation: rowIn 0.35s var(--ease-out);
}
.kan-card .kan-meta { display: block; margin-top: 5px; font-family: var(--font-mono); font-size: 9px; color: var(--w-faint); }
.kan-card.is-hot { border-color: var(--w-acc-line); }

/* atlas mini canvas */
.atlas-stage { position: relative; height: 100%; min-height: 260px; border-radius: 10px; background-image: radial-gradient(rgba(255,255,255,0.07) 1px, transparent 1px); background-size: 18px 18px; }
.atlas-win {
  position: absolute; border: 1px solid var(--w-line-strong); border-radius: 9px;
  background: var(--w-bg-3); box-shadow: 0 14px 34px rgba(0,0,0,0.5);
  font-family: var(--font-mono); font-size: 10.5px; color: var(--w-dim);
  animation: rowIn 0.5s var(--ease-out);
  cursor: grab; user-select: none; touch-action: none;
}
.atlas-win.dragging {
  cursor: grabbing;
  box-shadow: 0 26px 50px rgba(0,0,0,0.65);
  border-color: var(--w-acc-line);
  animation: none;
}
.atlas-win header {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 8px; border-bottom: 1px solid var(--w-line);
  color: var(--w-ink); font-weight: 600;
}
.atlas-win header i { color: var(--w-acc); font-size: 9px; }
.atlas-win header .aw-key { margin-left: auto; color: var(--w-faint); font-weight: 400; }
.atlas-win .aw-body { padding: 7px 9px; line-height: 1.5; }
.atlas-hint {
  position: absolute; right: 10px; bottom: 8px;
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--w-faint);
  pointer-events: none;
}
.atlas-hint b { color: var(--w-acc); font-weight: 500; }

/* AI dock */
.demo-ai {
  border-top: 1px solid var(--w-line);
  padding: 10px 14px 12px;
  background: rgba(0, 0, 0, 0.2);
}
.demo-ai-log { display: flex; flex-direction: column; gap: 6px; margin-bottom: 9px; min-height: 24px; }
.ai-bubble {
  align-self: flex-start;
  max-width: 85%;
  font-size: 12.5px; line-height: 1.5;
  padding: 7px 11px; border-radius: 10px;
  border: 1px solid var(--w-line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--w-dim);
  animation: rowIn 0.35s var(--ease-out);
}
.ai-bubble b { color: var(--w-ink); }
.ai-bubble code { font-family: var(--font-mono); font-size: 10.5px; color: #6ecfee; }
.ai-bubble.from-user {
  align-self: flex-end;
  background: rgba(157, 140, 255, 0.1);
  border-color: var(--w-acc-line);
  color: var(--w-ink);
}
.demo-ai-input {
  display: flex; align-items: center; gap: 9px;
  border: 1px solid var(--w-line-strong); border-radius: 10px;
  padding: 8px 11px;
  background: var(--w-bg-2);
}
.demo-ai-pill {
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--w-acc);
  border: 1px solid var(--w-acc-line); border-radius: 6px;
  padding: 2px 7px; flex: none;
}
.demo-ai-text { font-size: 12px; color: var(--w-ink); min-height: 17px; }
.demo-caret { width: 7px; height: 14px; background: var(--w-acc); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* status bar */
.demo-status {
  display: flex; justify-content: space-between; align-items: center;
  padding: 7px 16px;
  border-top: 1px solid var(--w-line);
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.08em;
  color: var(--w-faint);
  background: rgba(0, 0, 0, 0.28);
}
.demo-status .sb-chip { color: var(--w-acc); }

@media (max-width: 760px) {
  .demo-body { grid-template-columns: 64px 1fr; min-height: 460px; }
  .demo-side { display: none; }
  .rail-btn { width: 54px; }
}

/* ── section shell ──────────────────────────────────────────── */
.section { padding: 120px 0 0; }
.section-head { max-width: 640px; margin: 0 0 56px; text-align: left; }
.section-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(30px, 4.2vw, 48px);
  letter-spacing: -0.03em; line-height: 1.08;
  margin-top: 14px;
}
.section-sub { margin-top: 14px; color: var(--ink-dim); font-size: 16.5px; }

/* ── modes grid — calm, no noise ────────────────────────────── */
.bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.bento-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 22px;
  background: var(--bg-1);
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s var(--ease-out);
  display: flex; flex-direction: column;
}
.bento-card:hover {
  border-color: var(--line-strong);
  box-shadow: 0 12px 32px -16px rgba(22, 24, 29, 0.18);
  transform: translateY(-2px);
}
.bento-card.span-3 { grid-column: auto; }
.bento-num { display: none; }
.bento-icon {
  width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center;
  font-size: 14px; color: var(--lime);
  background: rgba(90, 80, 232, 0.08);
  margin-bottom: 14px;
}
.bento-card h3 {
  font-weight: 600;
  font-size: 16.5px; letter-spacing: -0.01em;
}
.bento-card p { margin-top: 6px; color: var(--ink-dim); font-size: 13.5px; line-height: 1.55; flex: 1; }
.bento-chips { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 5px; }
.bento-chips span {
  font-size: 11px; font-weight: 500;
  color: var(--ink-dim);
  background: var(--bg-2);
  border-radius: 6px;
  padding: 3px 8px;
}
@media (max-width: 980px) { .bento { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .bento { grid-template-columns: 1fr; } }

/* ── feature blocks (multica pattern) ───────────────────────── */
.feature { padding: 130px 0 0; }
.feature-head { max-width: 680px; }
.feature-head .eyebrow { margin-bottom: 14px; }
.feature-head h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -0.03em; line-height: 1.1;
}
.feature-head p { margin-top: 14px; color: var(--ink-dim); font-size: 17px; line-height: 1.6; max-width: 56ch; }

/* soft tinted scene behind each feature window (multica-style) */
.feature-scene {
  margin-top: 40px;
  border-radius: 24px;
  padding: clamp(20px, 4.5vw, 56px);
  border: 1px solid var(--line);
  background: linear-gradient(135deg, #ebe7ff 0%, #f6f3ff 48%, #e4f2f4 100%);
}
.feature-scene.scene-b { background: linear-gradient(135deg, #e2f1f3 0%, #f1f6f2 48%, #ecedfb 100%); }
.feature-scene.scene-c { background: linear-gradient(135deg, #fdeadd 0%, #faf2ea 48%, #edebfb 100%); }
.feature-scene.scene-d { background: linear-gradient(135deg, #e7efe6 0%, #f2f4ee 48%, #e7eafa 100%); }
.feature-scene .feature-stage { margin-top: 0; }

.feature-stage {
  margin-top: 40px;
  position: relative;
  border: 1px solid rgba(22, 24, 29, 0.1);
  border-radius: 16px;
  background: var(--w-bg);
  box-shadow:
    0 1px 2px rgba(22, 24, 29, 0.08),
    0 30px 80px -30px rgba(22, 24, 29, 0.3);
  overflow: hidden;
  color: var(--w-dim);
  font-size: 13px;
}
.feature-stage .mock-bar {
  display: flex; align-items: center; gap: 9px;
  padding: 11px 15px;
  border-bottom: 1px solid var(--w-line);
  background: var(--w-bg-2);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--w-faint);
}
.feature-stage .mock-bar i { color: var(--w-acc); font-size: 10px; }
.mock-tag {
  margin-left: auto;
  color: var(--w-acc);
  border: 1px solid var(--w-acc-line); border-radius: 999px;
  padding: 2px 8px; font-size: 9px;
}
.mock-dots { display: flex; gap: 7px; margin-right: 4px; }
.mock-dots span {
  width: 11px; height: 11px; border-radius: 50%;
  box-shadow: inset 0 0 0 0.5px rgba(0, 0, 0, 0.2);
}
.mock-dots span:nth-child(1) { background: #ff5f57; }
.mock-dots span:nth-child(2) { background: #febc2e; }
.mock-dots span:nth-child(3) { background: #28c840; }
.mock-body { padding: 18px 20px; display: flex; flex-direction: column; gap: 9px; }

/* agent session rows (window-scoped) */
.ag-row {
  display: flex; align-items: center; gap: 12px;
  border: 1px solid var(--w-line); border-radius: 10px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.02);
}
.ag-glyph {
  width: 30px; height: 30px; border-radius: 8px; flex: none;
  display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 600;
  background: rgba(157, 140, 255, 0.14);
  color: var(--w-ink);
  border: 1px solid var(--w-line-strong);
}
.ag-name { font-size: 13px; font-weight: 600; line-height: 1.3; color: var(--w-ink); }
.ag-meta { font-family: var(--font-mono); font-size: 10px; color: var(--w-faint); }
.ag-status {
  margin-left: auto;
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 6px;
}
.ag-status .st-dot { width: 6px; height: 6px; border-radius: 50%; }
.ag-status.is-run { color: var(--w-green); }
.ag-status.is-run .st-dot { background: var(--w-green); box-shadow: 0 0 8px var(--w-green); animation: pulse 1.6s ease-in-out infinite; }
.ag-status.is-done { color: var(--w-green); }
.ag-status.is-done .st-dot { background: var(--w-green); }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

/* gated AI suggestion (window-scoped) */
.gate {
  border: 1px solid var(--w-acc-line);
  background: rgba(157, 140, 255, 0.06);
  border-radius: 10px;
  padding: 13px 15px;
  font-size: 12.5px; line-height: 1.55; color: var(--w-dim);
}
.gate b { color: var(--w-ink); }
.gate code { font-family: var(--font-mono); font-size: 11px; color: #6ecfee; }
.gate-head {
  display: flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--w-acc);
  margin-bottom: 7px;
}
.gate-actions { display: flex; gap: 8px; margin-top: 11px; }
.gate-btn {
  font-family: var(--font-mono); font-size: 10px; font-weight: 600;
  letter-spacing: 0.06em;
  padding: 5px 14px; border-radius: 7px;
  border: 1px solid var(--w-line-strong); color: var(--w-dim);
}
.gate-btn.is-approve { background: var(--w-acc); border-color: transparent; color: #14101f; }

/* event feed (window-scoped) */
.feed-row {
  display: flex; align-items: baseline; gap: 10px;
  font-family: var(--font-mono); font-size: 11.5px;
  color: var(--w-dim);
  border-left: 2px solid var(--w-line-strong);
  padding: 3px 0 3px 12px;
}
.feed-row b { color: var(--w-ink); font-weight: 600; }
.feed-row .feed-src { color: var(--w-acc); flex: none; }
.feed-row.is-new { border-left-color: var(--w-green); }
.feed-row.is-new .feed-src { color: var(--w-green); }

/* search input (window-scoped) */
.hist-search {
  display: flex; align-items: center; gap: 9px;
  border: 1px solid var(--w-line-strong); border-radius: 9px;
  padding: 10px 13px;
  background: var(--w-bg-2);
  font-size: 13px; color: var(--w-ink);
}
.hist-search i { color: var(--w-faint); font-size: 11px; }
.hist-tag {
  font-family: var(--font-mono); font-size: 8.5px; letter-spacing: 0.1em;
  text-transform: uppercase; flex: none;
  color: #6ecfee;
  border: 1px solid rgba(110, 207, 238, 0.35); border-radius: 5px;
  padding: 2px 6px;
}

/* ── mobile share preview: pairing card + phone frame ───────── */
.mobile-stage {
  display: grid;
  grid-template-columns: minmax(0, 400px) auto;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  justify-content: center;
}
@media (max-width: 760px) {
  .mobile-stage { grid-template-columns: 1fr; justify-items: center; }
}

.pair-card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px;
  width: 100%;
  box-shadow: 0 16px 44px -24px rgba(22, 24, 29, 0.25);
}
.pair-card h4 { font-size: 16.5px; font-weight: 600; letter-spacing: -0.01em; }
.pair-sub { margin-top: 5px; font-size: 13.5px; color: var(--ink-dim); }
.pair-sub b { color: var(--ink); font-weight: 600; }
.pair-qr {
  width: 118px; height: 118px;
  margin: 18px 0 16px;
  border: 1px solid var(--line); border-radius: 12px;
  padding: 10px; background: #fff;
}
.pair-row {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--ink-dim);
  border: 1px solid var(--line); border-radius: 9px;
  padding: 9px 12px; margin-top: 8px;
  background: var(--bg-0);
}
.pair-row i { color: var(--lime); font-size: 11px; width: 14px; text-align: center; }
.pair-row b { color: var(--ink); font-weight: 600; }

.phone {
  width: 252px;
  border-radius: 40px;
  padding: 11px;
  background: linear-gradient(160deg, #2a2e36, #16181d);
  box-shadow:
    0 30px 70px -26px rgba(22, 24, 29, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
}
.phone-screen {
  border-radius: 30px;
  overflow: hidden;
  background: var(--w-bg);
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.phone-status {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 18px 0;
  font-family: var(--font-mono); font-size: 10px; color: var(--w-dim);
}
.phone-status .ps-side { width: 52px; display: flex; gap: 6px; align-items: center; }
.phone-status .ps-side:last-child { justify-content: flex-end; }
.phone-status .ps-side i { font-size: 9px; }
.phone-island { width: 62px; height: 17px; border-radius: 99px; background: #000; }
.phone-head {
  display: flex; align-items: center; gap: 8px;
  margin: 12px 12px 0;
  padding: 8px 10px;
  border: 1px solid var(--w-line); border-radius: 10px;
  background: var(--w-bg-2);
  font-family: var(--font-mono); font-size: 10px; color: var(--w-dim);
}
.phone-head .live-dot {
  width: 6px; height: 6px; border-radius: 50%; flex: none;
  background: var(--w-green);
  box-shadow: 0 0 8px var(--w-green);
  animation: pulse 1.6s ease-in-out infinite;
}
.phone-term { padding: 12px 14px 4px; min-height: 180px; }
.phone-term .code-block { font-size: 10.5px; line-height: 1.8; }
.phone-term .demo-caret { display: inline-block; width: 6px; height: 11px; vertical-align: -1px; }
.phone-keys {
  display: flex; gap: 6px;
  padding: 10px 12px 16px;
}
.phone-keys span {
  flex: 1; text-align: center;
  font-family: var(--font-mono); font-size: 9.5px;
  color: var(--w-dim);
  border: 1px solid var(--w-line); border-radius: 7px;
  padding: 6px 0;
  background: rgba(255, 255, 255, 0.03);
}

/* desktop + mobile apps showcase: full-size live app window beside the phone.
   Full-bleed (wider than the 1120 container) so the app preview keeps its
   size instead of shrinking to fit. */
.apps-showcase {
  width: min(1320px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(24px, 3vw, 48px);
  align-items: center;
}
/* the relocated hero demo fills its grid cell at full height (demo-body keeps
   its original 600px — not reduced) */
.apps-showcase .apps-demo { width: 100%; margin: 0; }
.apps-showcase .phone { width: 280px; }
.apps-showcase .phone-term { min-height: 440px; }

/* this section leads with the preview, so it needs far less top padding than a
   normal feature (which starts with its heading) */
#apps.feature { padding-top: 52px; }
/* heading sits BELOW the preview — left-aligned like every other feature head */
.apps-head { margin-top: 40px; }

/* stack once the desktop window no longer has room beside the phone */
@media (max-width: 980px) {
  .apps-showcase {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 40px;
    width: calc(100% - 32px);
  }
  .apps-showcase .apps-demo { max-width: 760px; }
  .apps-showcase .phone { width: 252px; }
  .apps-showcase .phone-term { min-height: 320px; }
}

/* three blurbs under each feature stage */
.feature-points {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}
.feature-points h3 {
  font-size: 15.5px; font-weight: 600; letter-spacing: -0.01em;
}
.feature-points p { margin-top: 7px; color: var(--ink-dim); font-size: 14px; line-height: 1.6; }
@media (max-width: 880px) { .feature-points { grid-template-columns: 1fr; gap: 22px; } }

/* engine icon strip (inside data feature) */
.engine-row {
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
  margin-top: 22px;
}
.engine-row img { width: 22px; height: 22px; opacity: 0.55; transition: opacity 0.2s; }
.engine-row img:hover { opacity: 0.9; }

/* ── download section ───────────────────────────────────────── */
.dl-section { padding: 140px 0 110px; }
.dl-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: clamp(40px, 6.5vw, 72px) clamp(24px, 6vw, 72px);
  text-align: center;
  background:
    radial-gradient(640px 300px at 50% -10%, rgba(122, 92, 255, 0.1), transparent 70%),
    linear-gradient(180deg, #ffffff, #f7f5fe);
  box-shadow: 0 24px 70px -36px rgba(22, 24, 29, 0.25);
}
.dl-headline {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(30px, 4.6vw, 52px);
  letter-spacing: -0.03em; line-height: 1.05;
}
.dl-sub { margin-top: 12px; color: var(--ink-dim); font-size: 16px; }
.dl-actions {
  margin-top: 30px;
  display: flex; justify-content: center; align-items: center;
  gap: 12px; flex-wrap: wrap;
}
.dl-alt-row { margin-top: 14px; min-height: 20px; }
.dl-alt-row .text-link + .text-link { margin-left: 16px; }
.dl-grid {
  margin-top: 36px;
  display: flex; justify-content: center; flex-wrap: wrap; gap: 8px;
}
.dl-mini {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--ink-dim);
  border: 1px solid var(--line); border-radius: 8px;
  padding: 8px 13px;
  background: var(--bg-0);
  transition: border-color 0.2s, color 0.2s;
}
.dl-mini:hover { border-color: var(--lime-line); color: var(--lime); }
.dl-mini i { font-size: 12px; }

/* ── footer ─────────────────────────────────────────────────── */
.site-footer {
  margin-top: 40px;
  border-top: 1px solid var(--line);
  background: var(--bg-1);
}
.footer-grid {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
  padding: 56px 0 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
}
.footer-grid .brand { font-size: 16px; }
.footer-tag { margin-top: 13px; color: var(--ink-faint); font-size: 13.5px; max-width: 280px; }
.footer-grid h6 {
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin: 4px 0 14px;
}
.footer-grid ul li { margin-bottom: 9px; }
.footer-grid ul a { font-size: 13.5px; color: var(--ink-dim); transition: color 0.2s; }
.footer-grid ul a:hover { color: var(--lime); }
.footer-meta {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
  padding: 16px 0 24px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em;
  color: var(--ink-faint); text-transform: uppercase;
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* ── shared sub-page hero ───────────────────────────────────── */
.page-hero {
  padding: calc(var(--header-h) + 64px) 0 48px;
  text-align: center;
}
.page-hero h1 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(34px, 5.2vw, 60px);
  letter-spacing: -0.03em; line-height: 1.05;
  margin-top: 16px;
}
.page-hero p { margin: 14px auto 0; max-width: 560px; color: var(--ink-dim); font-size: 16.5px; }

/* generic panel card for sub-pages */
.panel {
  border: 1px solid var(--line); border-radius: var(--r-lg);
  background: var(--bg-1);
  padding: 28px;
}

/* prose (legal / docs body text) */
.prose { color: var(--ink-dim); font-size: 15px; line-height: 1.75; }
.prose h2 {
  font-family: var(--font-display); font-weight: 700; color: var(--ink);
  font-size: 23px; letter-spacing: -0.015em;
  margin: 44px 0 14px;
}
.prose h3 { font-weight: 600; color: var(--ink); font-size: 16.5px; margin: 30px 0 10px; }
.prose p { margin: 0 0 14px; }
.prose ul { list-style: disc; padding-left: 22px; margin: 0 0 14px; }
.prose li { margin-bottom: 7px; }
.prose a { color: var(--lime); text-underline-offset: 3px; }
.prose a:hover { text-decoration: underline; }
.prose strong, .prose b { color: var(--ink); }
.prose code {
  font-family: var(--font-mono); font-size: 0.88em;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 5px; padding: 1px 6px;
  color: var(--lime-deep);
}
.prose table { width: 100%; border-collapse: collapse; margin: 0 0 18px; font-size: 13.5px; }
.prose th, .prose td { text-align: left; padding: 9px 12px; border: 1px solid var(--line); }
.prose th { color: var(--ink); font-weight: 600; background: var(--bg-2); }

/* ── pricing primitives (script contract preserved) ─────────── */
.pr-billing-toggle-wrap { display: flex; justify-content: center; margin-bottom: 40px; }
.pr-billing-toggle {
  display: inline-flex; gap: 4px;
  border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 4px; background: var(--bg-1);
}
.pr-toggle-opt {
  font-size: 13.5px; font-weight: 600; color: var(--ink-dim);
  padding: 9px 20px; border-radius: 999px;
  transition: background 0.25s, color 0.25s;
}
.pr-toggle-opt:hover { color: var(--ink); }
.pr-toggle-opt.is-active { background: var(--ink); color: #fff; }
.pr-toggle-save, .pr-toggle-best { font-size: 11px; font-weight: 500; opacity: 0.75; }

.pr-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.pr-card {
  position: relative;
  border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 32px 28px;
  background: var(--bg-1);
  display: flex; flex-direction: column;
}
.pr-card.is-highlight {
  border-color: var(--lime-line);
  box-shadow: 0 24px 60px -30px rgba(90, 80, 232, 0.35);
}
.pr-tier-label {
  font-size: 12.5px; font-weight: 600; letter-spacing: 0.02em;
  color: var(--lime);
}
.pr-price-display {
  font-family: var(--font-display); font-weight: 700;
  font-size: 44px; letter-spacing: -0.03em;
  margin-top: 14px; line-height: 1;
}
.pr-price-display sup { font-size: 20px; vertical-align: super; margin-right: 2px; }
.pr-price-display .pr-per { font-family: var(--font-body); font-size: 14px; font-weight: 500; color: var(--ink-faint); letter-spacing: 0; }
.pr-price-original {
  font-family: var(--font-display); font-size: 18px; font-weight: 600;
  color: var(--ink-faint); text-decoration: line-through;
  margin-top: 6px; display: block;
}
.pr-price-note { margin-top: 8px; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.06em; color: var(--ink-faint); text-transform: uppercase; }
.pr-tagline { margin-top: 14px; color: var(--ink-dim); font-size: 14px; }
.pr-features { margin: 22px 0; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.pr-features li { display: flex; gap: 10px; align-items: baseline; font-size: 13.5px; color: var(--ink-dim); }
.pr-features li i { color: var(--lime); font-size: 11px; flex: none; position: relative; top: 1px; }
.pr-features li b { color: var(--ink); font-weight: 600; }
.pr-cta-wrap { display: flex; flex-direction: column; gap: 10px; align-items: stretch; text-align: center; }
.pr-cta-sub { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; color: var(--ink-faint); text-transform: uppercase; }

.pr-card [data-show] { display: none; }
.pr-card[data-billing="monthly"] [data-show~="monthly"],
.pr-card[data-billing="yearly"] [data-show~="yearly"],
.pr-card[data-billing="lifetime"] [data-show~="lifetime"] { display: revert; }

@media (max-width: 960px) { .pr-cards { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; } }

/* ── reveal on scroll ───────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); }
.reveal.is-in { opacity: 1; transform: none; }

/* ── loading spinner (changelog) ────────────────────────────── */
.cl-loading {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 60px 0; color: var(--ink-faint);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
}

/* ── reduced motion ─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fade-up { animation: none; opacity: 1; transform: none; }
  .reveal { transition: none; opacity: 1; transform: none; }
  .demo-caret { animation: none; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}