/* ============================================================
   NationA — Intent Spectrum design system
   Dark ink base · violet→magenta→cyan spectrum · grotesk + mono
   ============================================================ */

:root {
  /* surfaces */
  --ink:        #07080C;
  --ink-2:      #0A0C12;
  --surface:    #0F1219;
  --surface-2:  #161A24;
  --surface-3:  #1C212D;

  /* lines */
  --line:        rgba(255,255,255,0.07);
  --line-2:      rgba(255,255,255,0.12);
  --line-strong: rgba(255,255,255,0.20);

  /* text */
  --text:   #F3F5FA;
  --text-2: #AEB4C4;
  --text-3: #6C7388;
  --text-4: #474D5E;

  /* spectrum */
  --neuroid: #46D6FF;   /* cyan — production engine */
  --glaze:   #FF5CA8;   /* magenta — playable drama */
  --violet:  #7B6CFF;   /* brand bridge */
  --amber:   #FFC861;   /* premium / awards */

  --accent:  var(--violet);
  --spectrum: linear-gradient(100deg, #6E5BFF 0%, #B25CFF 32%, #FF5CA8 60%, #46D6FF 100%);
  --spectrum-soft: linear-gradient(100deg, #6E5BFF, #FF5CA8 55%, #46D6FF);

  /* type */
  --font-display: "Schibsted Grotesk", "Pretendard", system-ui, sans-serif;
  --font-body:    "Hanken Grotesk", "Pretendard", system-ui, sans-serif;
  --font-mono:    "Space Mono", "Pretendard", ui-monospace, monospace;

  /* layout */
  --maxw: 1240px;
  --pad: clamp(20px, 5vw, 64px);
  --radius: 18px;
  --radius-lg: 26px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: -0.01em;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

::selection { background: rgba(123,108,255,0.45); color: #fff; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }

/* ---------- shared atoms ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--pad); width: 100%; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-3);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: var(--spectrum);
  display: inline-block;
}
.eyebrow.center::before { display: none; }

.gradient-text {
  background: var(--spectrum);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.03em; line-height: 1.02; margin: 0; text-wrap: balance; }

.section { padding-block: clamp(72px, 11vw, 150px); position: relative; }
.section-head { max-width: 760px; }
.section-title { font-size: clamp(27px, 3.7vw, 44px); }
.section-lead { color: var(--text-2); font-size: clamp(17px, 2vw, 20px); margin-top: 22px; line-height: 1.55; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  padding: 13px 22px;
  border-radius: 100px;
  border: 1px solid transparent;
  transition: transform .25s cubic-bezier(.2,.7,.3,1), background .25s, border-color .25s, box-shadow .25s, color .25s;
  white-space: nowrap;
}
.btn .arrow { transition: transform .3s cubic-bezier(.2,.7,.3,1); }
.btn:hover .arrow { transform: translateX(4px); }

.btn-primary {
  background: var(--text);
  color: #0a0b10;
  box-shadow: 0 0 0 0 rgba(123,108,255,0);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -12px rgba(123,108,255,0.6); background:#fff; }

.btn-spectrum {
  position: relative;
  color: #fff;
  background: var(--ink-2);
  border: 1px solid transparent;
  background-clip: padding-box;
}
.btn-spectrum::before {
  content:""; position:absolute; inset:0; border-radius:100px; padding:1px;
  background: var(--spectrum);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity:.85; transition: opacity .25s;
}
.btn-spectrum:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -16px rgba(255,92,168,0.55); }
.btn-spectrum:hover::before { opacity:1; }

.btn-ghost {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line-2);
  color: var(--text);
}
.btn-ghost:hover { background: rgba(255,255,255,0.09); border-color: var(--line-strong); transform: translateY(-2px); }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7,8,12,0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 24px; }
.brand { display:flex; align-items:center; gap:11px; font-family: var(--font-display); font-weight:600; font-size:19px; letter-spacing:-0.02em; }
.brand-mark {
  width: 26px; height: 26px; border-radius: 8px;
  background: var(--spectrum);
  position: relative; flex: none;
  box-shadow: 0 0 18px -2px rgba(123,108,255,0.6);
}
.brand-mark::after {
  content:""; position:absolute; inset:6px; border-radius:3px;
  background: var(--ink); 
}
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link { padding: 8px 14px; border-radius: 10px; color: var(--text-2); font-size: 14.5px; font-weight: 500; white-space: nowrap; transition: color .2s, background .2s; }
.nav-link:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.nav-link.active { color: var(--text); }
.nav-link.active::after { content:""; display:block; height:2px; margin-top:3px; border-radius:2px; background: var(--spectrum); }
.nav-right { display: flex; align-items: center; gap: 14px; }
.lang { display:flex; align-items:center; gap:3px; font-family: var(--font-mono); font-size: 12px; color: var(--text-3); }
.lang .sep { color: var(--text-4); }
.lang span { cursor: pointer; padding: 3px 5px; border-radius:5px; transition: color .2s; }
.lang span:hover { color: var(--text-2); }
.lang span.on { color: var(--text); }

/* hamburger (mobile only) */
.burger { display:none; width:38px; height:38px; border:1px solid var(--line-2); border-radius:10px; background:rgba(255,255,255,0.04); flex-direction:column; align-items:center; justify-content:center; gap:4px; }
.burger span { display:block; width:16px; height:1.6px; background:var(--text); transition: transform .3s, opacity .2s; }
.burger.open span:nth-child(1){ transform: translateY(5.6px) rotate(45deg); }
.burger.open span:nth-child(2){ opacity:0; }
.burger.open span:nth-child(3){ transform: translateY(-5.6px) rotate(-45deg); }

.mobile-menu { position:fixed; inset:70px 0 0; background: radial-gradient(120% 80% at 50% 0%, rgba(123,108,255,0.12), transparent 60%), var(--ink);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:6px; padding:40px;
  opacity:0; pointer-events:none; transform: translateY(-8px); transition: transform .3s; z-index:99; }
.mobile-menu.open { opacity:1; pointer-events:auto; transform:none; }
.mobile-links { display:flex; flex-direction:column; align-items:center; gap:4px; }
.mobile-links a { font-family:var(--font-display); font-size:30px; font-weight:600; letter-spacing:-0.03em; color:var(--text); padding:12px; }
.mobile-links a:hover { background: var(--spectrum); -webkit-background-clip:text; background-clip:text; color:transparent; }

/* ============================================================
   HERO (shared frame + per-variant styles)
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 90px;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero .wrap { position: relative; z-index: 2; }

.hero-eyebrow { margin-bottom: 26px; }
.hero h1 {
  font-size: clamp(48px, 9vw, 132px);
  letter-spacing: -0.045em;
  line-height: 0.92;
}
.hero-sub {
  color: var(--text-2);
  font-size: clamp(17px, 2.1vw, 22px);
  line-height: 1.5;
  max-width: 620px;
  margin-top: 30px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 40px; }

.scroll-cue {
  position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%);
  z-index: 3; display: flex; flex-direction: column; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.25em; color: var(--text-3); text-transform: uppercase;
}
.scroll-cue .track { width: 1px; height: 46px; background: linear-gradient(var(--line-strong), transparent); position: relative; overflow: hidden; }
.scroll-cue .track::after { content:""; position:absolute; top:-50%; left:0; width:1px; height:50%; background: var(--neuroid); animation: scrollDrop 1.9s cubic-bezier(.7,0,.3,1) infinite; }
@keyframes scrollDrop { 0%{top:-50%} 60%,100%{top:100%} }

/* grain + vignette overlays reused */
.grain { position:absolute; inset:0; opacity:.045; mix-blend-mode:overlay; pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* --- Variant A: Aurora --- */
.aurora { position:absolute; inset:-20%; filter: blur(60px); opacity:.85; }
.aurora i { position:absolute; border-radius:50%; mix-blend-mode:screen; }
.aurora .b1 { width:55vw; height:55vw; left:-5%; top:-15%; background: radial-gradient(circle, rgba(110,91,255,.7), transparent 65%); animation: drift1 18s ease-in-out infinite alternate; }
.aurora .b2 { width:50vw; height:50vw; right:-8%; top:0%; background: radial-gradient(circle, rgba(255,92,168,.6), transparent 65%); animation: drift2 22s ease-in-out infinite alternate; }
.aurora .b3 { width:48vw; height:48vw; left:25%; bottom:-25%; background: radial-gradient(circle, rgba(70,214,255,.55), transparent 65%); animation: drift3 20s ease-in-out infinite alternate; }
@keyframes drift1 { to { transform: translate(8%, 12%) scale(1.15);} }
@keyframes drift2 { to { transform: translate(-10%, 8%) scale(1.1);} }
@keyframes drift3 { to { transform: translate(6%, -10%) scale(1.2);} }

/* --- Variant B: Grid telemetry --- */
.gridbg { position:absolute; inset:0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 30% 40%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 30% 40%, #000 30%, transparent 78%);
}
.gridbg .glow { position:absolute; left:18%; top:35%; width:40vw; height:40vw; background: radial-gradient(circle, rgba(123,108,255,.35), transparent 60%); filter: blur(40px); }
.gridbg .dot { position:absolute; width:6px; height:6px; border-radius:50%; box-shadow:0 0 14px 2px currentColor; }

/* --- Variant C: Editorial split --- */
.hero.split .wrap { display:grid; grid-template-columns: 1.05fr 0.95fr; gap: 60px; align-items:center; }
.hero.split h1 { font-size: clamp(44px, 6.5vw, 96px); }
.play-frame {
  position:relative; aspect-ratio: 4/5; border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--surface-2), var(--ink-2));
  border: 1px solid var(--line-2); overflow:hidden;
  box-shadow: 0 40px 120px -40px rgba(255,92,168,.4);
}

/* --- Variant D: Kinetic type --- */
.hero.kinetic .wrap { text-align:center; }
.kinetic-stack { font-family: var(--font-display); font-weight:700; line-height:.82; letter-spacing:-0.05em; }
.kinetic-stack .row { font-size: clamp(56px, 16vw, 230px); display:block; }
.kinetic-stack .out { -webkit-text-stroke: 1.4px var(--line-strong); color: transparent; }

/* --- Variant E: Beam / orb --- */
.beam { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; }
.orb { width: min(70vw, 760px); aspect-ratio:1; border-radius:50%;
  background: conic-gradient(from 0deg, #6E5BFF, #FF5CA8, #46D6FF, #6E5BFF);
  filter: blur(70px); opacity:.5; animation: spin 26s linear infinite; }
.orb-core { position:absolute; width:min(28vw,300px); aspect-ratio:1; border-radius:50%; background: var(--ink); box-shadow: inset 0 0 80px rgba(123,108,255,.4); }
@keyframes spin { to { transform: rotate(360deg);} }
.hero.beamy .wrap { text-align:center; }
.hero.beamy .hero-sub, .hero.kinetic .hero-sub { margin-inline:auto; }
.hero.beamy .hero-cta, .hero.kinetic .hero-cta { justify-content:center; }
.hero.beamy .scroll-cue, .hero.kinetic .scroll-cue { display:none; }

/* ============================================================
   AWARDS strip
   ============================================================ */
.awards { border-block: 1px solid var(--line); padding-block: 30px; background: var(--ink-2); }
.awards-inner { display:flex; align-items:center; gap: clamp(24px,5vw,64px); flex-wrap:wrap; justify-content:space-between; }
.awards-label { font-family:var(--font-mono); font-size:11.5px; letter-spacing:.18em; text-transform:uppercase; color:var(--text-3); flex:none; }
.awards-list { display:flex; align-items:center; gap: clamp(20px,3.5vw,52px); flex-wrap:wrap; }
.award { font-family:var(--font-display); font-weight:500; font-size: clamp(15px,1.7vw,20px); color: var(--text-2); display:flex; align-items:center; gap:9px; transition: color .25s; }
.award:hover { color: var(--text); }
.award .star { color: var(--amber); }

/* ============================================================
   ENGINES
   ============================================================ */
.engines-grid { display:grid; grid-template-columns:1fr 1fr; gap: 22px; margin-top: 64px; }
.engine {
  position:relative; border-radius: var(--radius-lg); padding: 38px;
  background: var(--surface); border:1px solid var(--line);
  overflow:hidden; min-height: 420px; display:flex; flex-direction:column;
  transition: transform .4s cubic-bezier(.2,.7,.3,1), border-color .4s, box-shadow .4s;
}
.engine:hover { transform: translateY(-6px); border-color: var(--line-2); }
.engine.neuroid:hover { box-shadow: 0 40px 90px -50px rgba(70,214,255,.7); }
.engine.glaze:hover { box-shadow: 0 40px 90px -50px rgba(255,92,168,.7); }
.engine-glow { position:absolute; top:-40%; right:-20%; width:60%; aspect-ratio:1; border-radius:50%; filter: blur(60px); opacity:.5; pointer-events:none; transition: opacity .4s; }
.engine.neuroid .engine-glow { background: radial-gradient(circle, rgba(70,214,255,.6), transparent 65%); }
.engine.glaze .engine-glow { background: radial-gradient(circle, rgba(255,92,168,.6), transparent 65%); }
.engine:hover .engine-glow { opacity:.85; }
.engine-tag { font-family:var(--font-mono); font-size:11.5px; letter-spacing:.16em; text-transform:uppercase; color:var(--text-3); }
.engine-name { font-family:var(--font-display); font-size: clamp(30px,4vw,46px); font-weight:600; margin-top:18px; letter-spacing:-0.03em; }
.engine.neuroid .engine-name { color: var(--neuroid); }
.engine.glaze .engine-name { color: var(--glaze); }
.engine-first { font-family:var(--font-mono); font-size:12px; color:var(--text-2); margin-top:14px; letter-spacing:.02em; }
.engine-desc { color: var(--text-2); margin-top:18px; font-size: 17px; line-height:1.55; max-width: 42ch; }
.engine-foot { margin-top:auto; padding-top: 28px; display:flex; align-items:center; justify-content:space-between; gap:16px; }
.engine-link { font-weight:600; font-size:15px; display:inline-flex; align-items:center; gap:8px; }
.engine.neuroid .engine-link { color: var(--neuroid); }
.engine.glaze .engine-link { color: var(--glaze); }
.engine-visual { margin-top: 26px; border-radius: 14px; border:1px solid var(--line); aspect-ratio: 16/8; background: var(--ink-2); position:relative; overflow:hidden; }
.engine-visual > video { width:100%; height:100%; object-fit:cover; display:block; }
.engine-posters { display:flex; gap:10px; padding:14px; align-items:stretch; }
.engine-posters img { height:100%; width:auto; aspect-ratio:2/3; object-fit:cover; border-radius:8px; border:1px solid var(--line-2); flex:none; }

.flywheel-note { display:flex; align-items:center; gap:14px; margin-top:30px; color:var(--text-3); font-family:var(--font-mono); font-size:12px; letter-spacing:.04em; justify-content:center; }
.flywheel-note .pipe { width:36px; height:1px; background: var(--spectrum); }

/* ============================================================
   WHY NOW — timeline
   ============================================================ */
.why { background: linear-gradient(180deg, var(--ink), var(--ink-2)); }
.timeline { display:grid; grid-template-columns: repeat(4,1fr); gap: 0; margin-top: 70px; position:relative; }
.timeline::before { content:""; position:absolute; top: 18px; left:0; right:0; height:2px; background: linear-gradient(90deg, var(--line-2) 0%, var(--violet) 50%, var(--neuroid) 100%); opacity:.5; }
.tl { padding-right: 26px; position:relative; }
.tl-node { width: 14px; height:14px; border-radius:50%; background: var(--surface-3); border:2px solid var(--text-4); position:relative; z-index:2; margin-bottom: 26px; transition: all .4s; }
.tl.live .tl-node { background: var(--violet); border-color: var(--violet); box-shadow: 0 0 0 6px rgba(123,108,255,.18), 0 0 22px rgba(123,108,255,.7); }
.tl-era { font-family:var(--font-display); font-size: clamp(22px,2.6vw,30px); font-weight:600; letter-spacing:-0.02em; }
.tl.live .tl-era { background: var(--spectrum); -webkit-background-clip:text; background-clip:text; color:transparent; }
.tl-meta { font-family:var(--font-mono); font-size:11.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--text-3); margin-top:10px; }
.tl-desc { color: var(--text-2); margin-top:14px; font-size:15.5px; line-height:1.5; max-width: 24ch; }
.tl.live .tl-desc { color: var(--text); }

/* ============================================================
   MOMENTUM
   ============================================================ */
.metrics { display:grid; grid-template-columns: repeat(4,1fr); gap: 1px; margin-top: 64px; background: var(--line); border:1px solid var(--line); border-radius: var(--radius-lg); overflow:hidden; }
.metric { background: var(--ink); padding: 40px 30px; transition: background .4s; }
.metric:hover { background: var(--surface); }
.metric-num { font-family:var(--font-display); font-weight:600; font-size: clamp(38px,5vw,62px); letter-spacing:-0.04em; line-height:1; background:var(--spectrum); -webkit-background-clip:text; background-clip:text; color:transparent; }
.metric-label { color: var(--text-2); margin-top:16px; font-size:15px; line-height:1.45; }

/* ============================================================
   BUILDERS / big statement
   ============================================================ */
.builders { text-align:center; position:relative; overflow:hidden; }
.builders .wrap { position:relative; z-index:2; }
.builders-glow { position:absolute; left:50%; top:40%; transform:translate(-50%,-50%); width:80vw; height:50vw; background: radial-gradient(ellipse, rgba(123,108,255,.22), transparent 60%); filter:blur(40px); pointer-events:none; }
.builders h2 { font-size: clamp(30px,4.4vw,54px); letter-spacing:-0.04em; max-width: 26ch; margin-inline:auto; }
.builders-lead { color: var(--text-2); font-size: clamp(17px,2vw,21px); max-width: 640px; margin: 30px auto 0; line-height:1.55; }
.trillion { background: var(--spectrum); -webkit-background-clip:text; background-clip:text; color:transparent; font-weight:700; }

/* ============================================================
   FINAL CTA
   ============================================================ */
.finalcta { padding-block: clamp(90px,14vw,180px); text-align:center; position:relative; overflow:hidden; border-top:1px solid var(--line); }
.finalcta-bg { position:absolute; inset:0; background: var(--spectrum); opacity:.10; }
.finalcta h2 { font-size: clamp(17px,4.6vw,55px); letter-spacing:-0.04em; white-space: nowrap; }
.finalcta .hero-cta { justify-content:center; margin-top:44px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--ink-2); border-top:1px solid var(--line); padding-block: 70px 40px; }
.footer-top { display:grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 40px; }
.footer-tag { color: var(--text-2); margin-top: 18px; font-size:15px; line-height:1.55; max-width: 30ch; }
.footer-col h5 { font-family:var(--font-mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--text-3); margin:0 0 18px; font-weight:400; }
.footer-col a { display:block; color:var(--text-2); font-size:14.5px; padding:6px 0; transition:color .2s; }
.footer-col a:hover { color: var(--text); }
.footer-bottom { display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap; margin-top: 56px; padding-top:28px; border-top:1px solid var(--line); font-size:13px; color: var(--text-3); font-family:var(--font-mono); letter-spacing:.02em; }

/* ============================================================
   reveal-on-scroll — pure CSS (scroll-driven). Base state is VISIBLE,
   so unsupported browsers (and frozen iframes) never hide content.
   ============================================================ */
.reveal { opacity: 1; }

@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(28px);
      animation: revealIn linear both;
      animation-timeline: view();
      animation-range: entry 2% cover 22%;
    }
    .reveal.d1 { animation-range: entry 8% cover 28%; }
    .reveal.d2 { animation-range: entry 14% cover 34%; }
    .reveal.d3 { animation-range: entry 20% cover 40%; }
  }
}
@keyframes revealIn { to { opacity: 1; transform: none; } }

/* ============================================================
   MEDIA — browser-framed demo, phone clips, poster wall
   ============================================================ */
/* browser frame */
.bframe { border-radius: 14px; overflow: hidden; border: 1px solid var(--line-2);
  background: var(--surface); box-shadow: 0 50px 120px -40px rgba(123,108,255,0.5), 0 0 0 1px rgba(255,255,255,0.02);
}
.bframe-bar { display:flex; align-items:center; gap:14px; padding: 11px 16px; background: var(--surface-2); border-bottom:1px solid var(--line); }
.bdots { display:flex; gap:7px; }
.bdots i { width:11px; height:11px; border-radius:50%; background: var(--surface-3); }
.bdots i:nth-child(1){ background:#ff5f57; } .bdots i:nth-child(2){ background:#febc2e; } .bdots i:nth-child(3){ background:#28c840; }
.bframe-url { font-family: var(--font-mono); font-size: 12.5px; color: var(--text-3); background: var(--ink-2); padding: 5px 14px; border-radius: 8px; flex: 1; max-width: 320px; }
.bframe-live { display:inline-flex; align-items:center; gap:7px; font-family:var(--font-mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color: var(--text-2); margin-left:auto; }
.live-dot { width:7px; height:7px; border-radius:50%; background: #28c840; box-shadow:0 0 8px #28c840; animation: livePulse 1.6s ease-in-out infinite; }
@keyframes livePulse { 50% { opacity:.35; } }
.bframe-body { line-height: 0; background: #eef0f6; }
.demo-video { width: 100%; height: auto; display: block; }

.playdemo { position:relative; display:block; width:100%; border:0; padding:0; cursor:pointer; background:#0a0b10; overflow:hidden; }
.playdemo img { width:100%; height:100%; object-fit:cover; display:block; }
.playdemo-btn { position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); width:76px; height:76px; border-radius:50%;
  background:rgba(10,11,16,.5); backdrop-filter:blur(6px); -webkit-backdrop-filter:blur(6px); border:1.5px solid rgba(255,255,255,.75);
  display:flex; align-items:center; justify-content:center; transition:transform .25s, background .25s, border-color .25s; }
.playdemo:hover .playdemo-btn { transform:translate(-50%,-50%) scale(1.08); background:rgba(123,108,255,.65); border-color:#fff; }
.tri { width:0; height:0; border-left:18px solid #fff; border-top:11px solid transparent; border-bottom:11px solid transparent; margin-left:5px; }
.playdemo-hint { position:absolute; left:50%; bottom:18px; transform:translateX(-50%); font-family:var(--font-mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:#fff; background:rgba(10,11,16,.55); padding:6px 13px; border-radius:100px; }

/* product demo section */
.demo-section { position: relative; overflow: hidden; }
.demo-glow { position:absolute; left:50%; top:40%; transform:translate(-50%,-50%); width:70vw; height:40vw; background: radial-gradient(ellipse, rgba(70,214,255,.18), transparent 60%); filter: blur(50px); pointer-events:none; }
.demo-wrap { max-width: 1000px; margin: 56px auto 0; position:relative; z-index:2; }
.demo-caption { display:flex; flex-wrap:wrap; gap:10px 26px; justify-content:center; margin-top: 26px; font-family:var(--font-mono); font-size:12.5px; color:var(--text-3); }
.demo-caption b { color: var(--neuroid); font-weight:400; }

/* landscape content frame (Neuroid page) */
.landscape-frame { position:relative; border-radius:16px; overflow:hidden; border:1px solid var(--line-2); background:#000; box-shadow:0 50px 120px -55px rgba(70,214,255,.45); }
.landscape-frame video { width:100%; height:auto; display:block; aspect-ratio:16/9; object-fit:cover; }
.lf-tag { position:absolute; left:16px; bottom:16px; display:inline-flex; align-items:center; gap:8px; font-family:var(--font-mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:#fff; background:rgba(10,11,16,.62); backdrop-filter:blur(6px); -webkit-backdrop-filter:blur(6px); padding:8px 14px; border-radius:100px; border:1px solid rgba(255,255,255,.16); }

/* phone clips */
.phone-row { display:flex; gap: clamp(20px,4vw,52px); justify-content:center; flex-wrap:wrap; margin-top: 56px; }
.phoneclip { margin:0; display:flex; flex-direction:column; align-items:center; }
.phoneclip-frame { position:relative; width: 230px; aspect-ratio: 9/19; border-radius: 30px; padding: 8px;
  background: linear-gradient(160deg, #2a2f3c, #14171f); border:1px solid var(--line-2);
  box-shadow: 0 40px 90px -40px rgba(0,0,0,.8), inset 0 1px 1px rgba(255,255,255,.1); overflow:hidden;
}
.phoneclip-frame video { width:100%; height:100%; object-fit:cover; border-radius: 23px; display:block; background:#000; }
.phoneclip-island { position:absolute; top:16px; left:50%; transform:translateX(-50%); width:74px; height:20px; border-radius:12px; background:#05060a; z-index:3; }
.phoneclip-cap { margin-top:20px; text-align:center; display:flex; flex-direction:column; gap:5px; }
.phoneclip-cap strong { font-family:var(--font-display); font-size:16px; font-weight:600; letter-spacing:-0.01em; }
.phoneclip-cap span { font-family:var(--font-mono); font-size:11.5px; letter-spacing:.06em; color:var(--text-3); }

/* poster wall (Glaze) */
.poster-wall { position: relative; padding: 6px 0; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
}
.pw-row { display:flex; gap:18px; width:max-content; will-change: transform; }
.pw-row + .pw-row { margin-top:18px; }
.pw-row.a { animation: marqueeA 70s linear infinite; }
.pw-row.b { animation: marqueeB 86s linear infinite; }
.pw-row.c { animation: marqueeA 100s linear infinite; }
@keyframes marqueeA { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes marqueeB { from { transform: translateX(-50%); } to { transform: translateX(0); } }
.poster-wall:hover .pw-row { animation-play-state: paused; }
.poster { flex:none; width: clamp(150px, 17vw, 196px); aspect-ratio: 2/3; border-radius: 14px; overflow:hidden;
  border:1px solid var(--line); background: var(--surface); position:relative;
  transition: transform .35s cubic-bezier(.2,.7,.3,1), box-shadow .35s, border-color .35s;
}
.poster img { width:100%; height:100%; object-fit:cover; display:block; }
.poster::after { content:""; position:absolute; inset:0; box-shadow: inset 0 0 0 1px rgba(255,255,255,.05); border-radius:14px; }
.poster:hover { transform: translateY(-8px) scale(1.03); z-index:2; border-color: var(--glaze); box-shadow: 0 30px 60px -24px rgba(255,92,168,.6); }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .pw-row { animation: none !important; }
}

/* ============================================================
   responsive
   ============================================================ */
@media (max-width: 900px) {
  .nav-links { display:none; }
  .nav-cta { display:none; }
  .burger { display:flex; }
  .engines-grid { grid-template-columns:1fr; }
  .timeline { grid-template-columns: 1fr 1fr; row-gap: 48px; }
  .timeline::before { display:none; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .hero.split .wrap { grid-template-columns: 1fr; }
  .hero.split .play-frame { display:none; }
}
@media (max-width: 560px) {
  .timeline, .metrics, .footer-top { grid-template-columns: 1fr; }
  .awards-inner { gap:18px; }
}