/* ============================================================
   Корпоративный ИИ-хакатон — landing styles
   Design system: warm paper / graphite ink / energetic accent
   ============================================================ */

:root {
  /* palette */
  --paper:      oklch(0.985 0.006 85);
  --paper-2:    oklch(0.965 0.008 85);
  --ink:        oklch(0.18 0.012 265);
  --ink-2:      oklch(0.40 0.015 265);
  --ink-3:      oklch(0.58 0.012 265);
  --line:       oklch(0.89 0.008 85);
  --line-2:     oklch(0.83 0.010 85);

  --dark:       oklch(0.205 0.018 268);
  --dark-2:     oklch(0.255 0.020 268);
  --on-dark:    oklch(0.96 0.006 85);
  --on-dark-2:  oklch(0.74 0.012 268);

  /* accent (switchable) */
  --accent:      oklch(0.63 0.215 30);
  --accent-press:oklch(0.55 0.215 30);
  --accent-tint: oklch(0.63 0.215 30 / 0.10);
  --on-accent:   oklch(0.99 0.01 60);

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 34px;

  --container: 1240px;
  --pad: clamp(20px, 5vw, 56px);

  --font-display: "Unbounded", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad);
}

/* ---------- typography helpers ---------- */
.kicker {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.kicker::before {
  content: "";
  width: 26px; height: 2px;
  background: var(--accent);
  display: inline-block;
}
.kicker.muted { color: var(--ink-3); }
.kicker.muted::before { background: var(--line-2); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.02; letter-spacing: -0.02em; margin: 0; }

.display {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 0.98;
  text-wrap: balance;
}

.h-sec {
  font-size: clamp(34px, 5vw, 64px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.0;
  text-wrap: balance;
}

.lead {
  font-size: clamp(18px, 2.1vw, 22px);
  color: var(--ink-2);
  line-height: 1.5;
  max-width: 56ch;
  text-wrap: pretty;
}

.accent-text { color: var(--accent); }

/* ---------- buttons ---------- */
.btn {
  --bg: var(--ink);
  --fg: var(--paper);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  white-space: nowrap;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
  padding: 16px 26px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  background: var(--bg);
  color: var(--fg);
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), box-shadow 0.25s var(--ease);
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-accent { --bg: var(--accent); --fg: var(--on-accent); box-shadow: 0 10px 30px -12px var(--accent); }
.btn-accent:hover { --bg: var(--accent-press); box-shadow: 0 16px 40px -14px var(--accent); }

.btn-ghost { --bg: transparent; --fg: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--ink); }

.btn-lg { padding: 19px 34px; font-size: 17px; }

.btn .arr { transition: transform 0.3s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: color-mix(in oklab, var(--paper) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.scrolled { border-color: var(--line); }

.head-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -0.02em; }
.brand .mark {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: var(--ink);
  color: var(--paper);
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  position: relative;
  overflow: hidden;
}
.brand .mark::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--accent);
  transform: translateY(101%);
  transition: transform 0.4s var(--ease);
}
.brand:hover .mark::after { transform: translateY(60%); }
.brand .mark span { position: relative; z-index: 1; }
.brand b { font-weight: 800; font-size: 16.5px; }
.brand small { display: block; font-family: var(--font-mono); font-weight: 500; font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); margin-top: 1px; }

.head-nav { display: flex; gap: 30px; margin-left: auto; }
.head-nav a { font-size: 15px; font-weight: 600; color: var(--ink-2); position: relative; padding: 4px 0; }
.head-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px; background: var(--accent); transition: right 0.3s var(--ease); }
.head-nav a:hover { color: var(--ink); }
.head-nav a:hover::after { right: 0; }

.head-cta { margin-left: 8px; }
@media (max-width: 980px) { .head-nav { display: none; } }
@media (max-width: 560px) { .head-cta { display: none; } .brand small { display: none; } }

/* ============================================================
   HERO (3 variants)
   ============================================================ */
.hero { position: relative; }
.hero-v { display: none; }
.hero[data-hero="1"] .hero-v1,
.hero[data-hero="2"] .hero-v2,
.hero[data-hero="3"] .hero-v3 { display: block; }

.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.check-list li { display: grid; grid-template-columns: 26px 1fr; gap: 12px; align-items: start; font-size: 16.5px; color: var(--ink-2); font-weight: 500; }
.check-list li b { color: var(--ink); font-weight: 700; }
.check-list .ck {
  width: 26px; height: 26px; border-radius: 8px;
  background: var(--accent-tint); color: var(--accent);
  display: grid; place-items: center; margin-top: 1px;
}
.check-list .ck svg { width: 14px; height: 14px; }

/* --- Variant 1: bold statement + floating cards --- */
.hero-v1 .wrap { padding-block: clamp(32px, 5vh, 64px) clamp(36px, 6vh, 72px); }
.hero-v1 .grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero-v1 h1 { font-size: clamp(38px, 5.4vw, 76px); }
.hero-v1 .num { color: var(--accent); }
.hero-v1 .sub { margin-top: 20px; }
.hero-v1 .nay { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 24px; }
.hero-v1 .nay span { font-family: var(--font-mono); font-size: 12.5px; font-weight: 500; letter-spacing: 0.04em; color: var(--ink-3); border: 1px solid var(--line-2); border-radius: 999px; padding: 7px 14px; text-decoration: line-through; text-decoration-color: var(--accent); text-decoration-thickness: 1.5px; }
.hero-v1 .cta-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-top: 4px; }

.hero-visual { position: relative; }
.hero-visual .check-list { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px; box-shadow: 0 30px 60px -40px oklch(0.2 0.02 265 / 0.4); }
.hero-visual .float {
  position: absolute; background: var(--ink); color: var(--on-dark);
  border-radius: var(--r-md); padding: 14px 18px; font-size: 14px; font-weight: 600;
  display: flex; align-items: center; gap: 10px;
  box-shadow: 0 22px 44px -22px oklch(0.2 0.02 265 / 0.55);
}
.hero-visual .float .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-tint); }
.hero-visual .float.f1 { top: -26px; right: -10px; }
.hero-visual .float.f2 { bottom: -24px; left: -22px; background: var(--accent); color: var(--on-accent); }
.hero-visual .float.f2 .dot { background: var(--on-accent); box-shadow: 0 0 0 4px oklch(1 0 0 / 0.25); }
@media (max-width: 900px) {
  .hero-v1 .grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
}

/* --- Variant 2: split with form --- */
.hero-v2 .wrap { padding-block: clamp(44px, 7vh, 96px) clamp(56px, 8vh, 104px); }
.hero-v2 .grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 5vw, 64px); align-items: stretch; }
.hero-v2 h1 { font-size: clamp(38px, 5.4vw, 74px); }
.hero-v2 .left { display: flex; flex-direction: column; justify-content: center; }
.hero-v2 .sub { margin: 24px 0 28px; }
.hero-v2 .left .check-list { margin-top: 4px; }
@media (max-width: 900px) { .hero-v2 .grid { grid-template-columns: 1fr; } }

/* --- Variant 3: centered mega type --- */
.hero-v3 .wrap { padding-block: clamp(54px, 10vh, 130px) clamp(40px, 6vh, 80px); text-align: center; }
.hero-v3 .inner { max-width: 1000px; margin-inline: auto; }
.hero-v3 h1 { font-size: clamp(42px, 8vw, 116px); }
.hero-v3 .num { color: var(--accent); }
.hero-v3 .sub { margin: 28px auto 30px; }
.hero-v3 .cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-v3 .kicker { justify-content: center; }

/* ---------- ticker ---------- */
.ticker { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper-2); overflow: hidden; padding: 18px 0; }
.ticker-track { display: flex; gap: 0; width: max-content; animation: ticker 38s linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-track .item { font-family: var(--font-display); font-weight: 700; font-size: clamp(18px, 2.4vw, 30px); letter-spacing: -0.02em; color: var(--ink); padding: 0 30px; display: inline-flex; align-items: center; gap: 30px; white-space: nowrap; }
.ticker-track .item::after { content: "✱"; color: var(--accent); font-size: 0.6em; }
@keyframes ticker { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .ticker-track { animation: none; } }

/* ============================================================
   SECTIONS
   ============================================================ */
section.block { padding: clamp(72px, 11vh, 150px) 0; }
.sec-head { max-width: 760px; }
.sec-head .h-sec { margin-top: 18px; }
.sec-head .lead { margin-top: 22px; }

/* ---- problem section ---- */
.problem { background: var(--paper); }
.misuse { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; counter-reset: m; max-width: 820px; }
.misuse li { display: grid; grid-template-columns: 56px 1fr; gap: 18px; align-items: baseline; padding: 22px 0; border-top: 1px solid var(--line); font-size: clamp(18px, 2.1vw, 23px); color: var(--ink); font-weight: 600; letter-spacing: -0.01em; }
.misuse li::before { counter-increment: m; content: "0" counter(m); font-family: var(--font-mono); font-size: 14px; font-weight: 600; color: var(--accent); letter-spacing: 0.05em; }
.misuse li:last-child { border-bottom: 1px solid var(--line); }

.tasks-wrap { margin-top: 64px; }
.tasks-wrap .mini-h { font-family: var(--font-body); font-weight: 800; font-size: clamp(22px, 3vw, 30px); letter-spacing: -0.02em; max-width: 640px; }
.chips { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.chip { font-size: 16px; font-weight: 600; color: var(--ink); background: var(--paper-2); border: 1px solid var(--line-2); border-radius: 999px; padding: 12px 20px; transition: transform 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease); cursor: default; }
.chip:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); transform: translateY(-3px) rotate(-1deg); }

/* ---- pull quote ---- */
.pull { background: var(--dark); color: var(--on-dark); }
.pull .container { display: grid; gap: 24px; }
.pull q { font-family: var(--font-display); font-weight: 600; font-size: clamp(28px, 4.4vw, 56px); line-height: 1.08; letter-spacing: -0.03em; quotes: none; }
.pull q::before, .pull q::after { content: ""; }
.pull .small { font-size: clamp(18px, 2vw, 22px); color: var(--on-dark-2); max-width: 60ch; }
.pull .small b { color: var(--accent); font-weight: 700; }

/* ---- what is hackathon ---- */
.def .grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: clamp(32px, 6vw, 90px); align-items: start; }
.def .q-card { background: var(--accent); color: var(--on-accent); border-radius: var(--r-xl); padding: clamp(30px, 4vw, 50px); position: sticky; top: 100px; }
.def .q-card .qlabel { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.14em; text-transform: uppercase; opacity: 0.75; }
.def .q-card .qtext { font-family: var(--font-display); font-weight: 700; font-size: clamp(26px, 3.4vw, 40px); line-height: 1.06; letter-spacing: -0.03em; margin-top: 16px; }
.do-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.do-list li { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--line); font-size: clamp(18px, 2.1vw, 22px); font-weight: 600; color: var(--ink); }
.do-list li .ico { width: 44px; height: 44px; border-radius: 12px; border: 1.5px solid var(--line-2); display: grid; place-items: center; color: var(--accent); transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease); }
.do-list li:hover .ico { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.do-list li .ico svg { width: 20px; height: 20px; }
@media (max-width: 860px) { .def .grid { grid-template-columns: 1fr; } .def .q-card { position: static; } }

/* ---- program / timeline ---- */
.program { background: var(--paper-2); }
.days { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 56px; }
.day { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 30px; display: flex; flex-direction: column; transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease); }
.day:hover { transform: translateY(-6px); box-shadow: 0 30px 60px -38px oklch(0.2 0.02 265 / 0.45); border-color: var(--line-2); }
.day .tag { font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.day .dn { font-family: var(--font-display); font-weight: 800; font-size: clamp(40px, 5vw, 60px); letter-spacing: -0.04em; line-height: 1; margin: 14px 0 4px; }
.day h3 { font-family: var(--font-body); font-weight: 800; font-size: 21px; letter-spacing: -0.01em; margin-bottom: 14px; }
.day p { font-size: 15.5px; color: var(--ink-2); margin: 0 0 16px; line-height: 1.5; }
.day ul { list-style: none; margin: auto 0 0; padding: 0; display: grid; gap: 9px; }
.day ul li { display: grid; grid-template-columns: 16px 1fr; gap: 10px; font-size: 15px; color: var(--ink-2); font-weight: 500; }
.day ul li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); margin-top: 7px; }
.day.final { background: var(--ink); color: var(--on-dark); border-color: var(--ink); }
.day.final .tag { color: var(--accent); }
.day.final h3 { color: var(--on-dark); }
.day.final p { color: var(--on-dark-2); }
.day.final ul li { color: var(--on-dark-2); }
@media (max-width: 860px) { .days { grid-template-columns: 1fr; } }

/* ---- benefits ---- */
.benefits .grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 56px; margin-top: 52px; }
.benefit { display: grid; grid-template-columns: 30px 1fr; gap: 16px; align-items: start; padding: 26px 0; border-top: 1px solid var(--line); }
.benefit .ck { width: 30px; height: 30px; border-radius: 9px; background: var(--accent); color: var(--on-accent); display: grid; place-items: center; }
.benefit .ck svg { width: 16px; height: 16px; }
.benefit p { margin: 0; font-size: clamp(17px, 1.9vw, 20px); font-weight: 600; color: var(--ink); line-height: 1.4; letter-spacing: -0.01em; }
@media (max-width: 720px) { .benefits .grid { grid-template-columns: 1fr; gap: 0; } }

.benefit-note { margin-top: 56px; background: var(--accent-tint); border: 1px solid color-mix(in oklab, var(--accent) 30%, transparent); border-radius: var(--r-lg); padding: clamp(26px, 3.5vw, 40px); display: grid; grid-template-columns: auto 1fr; gap: 22px; align-items: center; }
.benefit-note .big { font-family: var(--font-display); font-weight: 800; font-size: clamp(40px, 6vw, 72px); color: var(--accent); line-height: 0.9; letter-spacing: -0.04em; }
.benefit-note p { margin: 0; font-size: clamp(18px, 2.2vw, 24px); font-weight: 600; color: var(--ink); letter-spacing: -0.01em; line-height: 1.35; max-width: 50ch; }
@media (max-width: 620px) { .benefit-note { grid-template-columns: 1fr; } }

/* ============================================================
   FINAL CTA + FORM
   ============================================================ */
.cta-final { background: var(--dark); color: var(--on-dark); position: relative; overflow: hidden; }
.cta-final::before { content: ""; position: absolute; width: 60vw; height: 60vw; right: -20vw; top: -20vw; background: radial-gradient(circle, var(--accent-tint), transparent 62%); pointer-events: none; }
.cta-final .grid { display: grid; grid-template-columns: 1fr 0.9fr; gap: clamp(36px, 6vw, 90px); align-items: center; position: relative; }
.cta-final .kicker { color: var(--accent); }
.cta-final h2 { font-size: clamp(36px, 5vw, 66px); }
.cta-final .lead { color: var(--on-dark-2); margin-top: 22px; }
.cta-final .reasure { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 10px 22px; }
.cta-final .reasure span { font-family: var(--font-mono); font-size: 13px; color: var(--on-dark-2); display: inline-flex; gap: 8px; align-items: center; }
.cta-final .reasure span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
@media (max-width: 900px) { .cta-final .grid { grid-template-columns: 1fr; } }

/* ---- form ---- */
.lead-form { background: var(--paper); color: var(--ink); border-radius: var(--r-xl); padding: clamp(26px, 3.4vw, 40px); box-shadow: 0 40px 80px -40px oklch(0 0 0 / 0.5); }
.lead-form h3 { font-family: var(--font-body); font-weight: 800; font-size: 22px; letter-spacing: -0.02em; }
.lead-form .fh-sub { color: var(--ink-3); font-size: 14.5px; margin: 6px 0 22px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-family: var(--font-mono); font-size: 11.5px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 7px; }
.field input {
  width: 100%; font-family: var(--font-body); font-size: 17px; font-weight: 500; color: var(--ink);
  background: var(--paper-2); border: 1.5px solid var(--line-2); border-radius: var(--r-md);
  padding: 15px 16px; transition: border-color 0.2s var(--ease), background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.field input::placeholder { color: oklch(0.66 0.012 265); }
.field input:focus { outline: none; border-color: var(--accent); background: var(--paper); box-shadow: 0 0 0 4px var(--accent-tint); }
.field input.invalid { border-color: oklch(0.6 0.2 25); box-shadow: 0 0 0 4px oklch(0.6 0.2 25 / 0.12); }
.lead-form .btn { width: 100%; margin-top: 8px; }
.lead-form .btn[disabled] { opacity: 0.65; cursor: progress; }
.lead-form.sending { cursor: progress; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-error { font-size: 13.5px; color: oklch(0.55 0.2 25); margin: 12px 0 0; text-align: center; line-height: 1.4; min-height: 0; }
.form-error:empty { display: none; }
.lead-form .policy { font-size: 12.5px; color: var(--ink-3); margin: 14px 0 0; text-align: center; line-height: 1.4; }

.form-success { text-align: center; padding: 20px 6px; display: none; }
.lead-form.done .form-body { display: none; }
.lead-form.done .form-success { display: block; }
.form-success .big-ck { width: 64px; height: 64px; border-radius: 50%; background: var(--accent); color: var(--on-accent); display: grid; place-items: center; margin: 0 auto 20px; }
.form-success .big-ck svg { width: 32px; height: 32px; }
.form-success h3 { font-size: 24px; margin-bottom: 8px; }
.form-success p { color: var(--ink-2); font-size: 16px; margin: 0; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--ink); color: var(--on-dark); padding: 56px 0 40px; }
.site-footer .top { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; padding-bottom: 32px; border-bottom: 1px solid oklch(1 0 0 / 0.1); }
.site-footer .ftitle { font-family: var(--font-display); font-weight: 800; font-size: clamp(28px, 4vw, 48px); letter-spacing: -0.03em; max-width: 14ch; line-height: 1; }
.site-footer .bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 26px; font-size: 13.5px; color: var(--on-dark-2); }
.site-footer .bottom .links { display: flex; gap: 22px; }
.site-footer a:hover { color: var(--accent); }

/* ============================================================
   DESIGN CONTROL DOCK (hero variant + accent)
   ============================================================ */
.dock {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  z-index: 90; display: flex; align-items: center; gap: 16px;
  background: color-mix(in oklab, var(--ink) 94%, transparent); color: var(--on-dark);
  border: 1px solid oklch(1 0 0 / 0.12); border-radius: 999px;
  padding: 8px 8px 8px 18px; box-shadow: 0 24px 50px -22px oklch(0 0 0 / 0.6);
  backdrop-filter: blur(10px);
  font-family: var(--font-mono);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.dock .lab { font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--on-dark-2); }
.dock .seg { display: flex; background: oklch(1 0 0 / 0.08); border-radius: 999px; padding: 3px; }
.dock .seg button { font-family: var(--font-mono); font-size: 13px; font-weight: 600; color: var(--on-dark-2); background: transparent; border: 0; width: 34px; height: 30px; border-radius: 999px; cursor: pointer; transition: background 0.2s var(--ease), color 0.2s var(--ease); }
.dock .seg button.on { background: var(--paper); color: var(--ink); }
.dock .divider { width: 1px; height: 26px; background: oklch(1 0 0 / 0.14); }
.dock .swatches { display: flex; gap: 7px; padding-right: 6px; }
.dock .sw { width: 24px; height: 24px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; padding: 0; transition: transform 0.2s var(--ease); }
.dock .sw:hover { transform: scale(1.12); }
.dock .sw.on { border-color: var(--paper); box-shadow: 0 0 0 2px var(--ink); }
@media (max-width: 600px) { .dock { gap: 10px; padding-left: 12px; } .dock .lab { display: none; } }

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: 0.08s; }
[data-reveal][data-delay="2"] { transition-delay: 0.16s; }
[data-reveal][data-delay="3"] { transition-delay: 0.24s; }
[data-reveal][data-delay="4"] { transition-delay: 0.32s; }
[data-reveal][data-delay="5"] { transition-delay: 0.40s; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
}
/* Frozen-clock fallback: animation clock not running — show everything instantly */
html.no-anim [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }