/* VNG Games AI Hub — "Control room": một lõi cam VNG, ba quỹ đạo sản phẩm.
   Dark-first. Mỗi app có một sắc riêng: GameHub cam, Product xanh ngọc, UA xanh lam. */
:root {
  --bg: #0e0c0b;
  --bg-2: #171412;
  --bg-3: #201c19;
  --line: rgba(255, 236, 224, 0.1);
  --line-strong: rgba(255, 236, 224, 0.2);
  --fg: #f6efea;
  --muted: #a99d95;
  --accent: #f05a22;
  --accent-ink: #ff8a5c;
  --on-accent: #ffffff;
  --hub: #f05a22;
  --prod: #2ec4b6;
  --ua: #6b93ff;
  --ok: #3ecf7a;
  --glow: rgba(240, 90, 34, 0.32);
  --shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.7);

  --font-display: "Exo 2", "Segoe UI", system-ui, sans-serif;
  --font-body: "Be Vietnam Pro", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --step--1: clamp(0.8rem, 0.78rem + 0.1vw, 0.86rem);
  --step-0: clamp(0.98rem, 0.95rem + 0.15vw, 1.06rem);
  --step-1: clamp(1.15rem, 1.08rem + 0.35vw, 1.35rem);
  --step-2: clamp(1.45rem, 1.25rem + 0.9vw, 2rem);
  --step-3: clamp(1.9rem, 1.5rem + 1.9vw, 3.1rem);
  --step-4: clamp(2.4rem, 1.7rem + 3.4vw, 4.7rem);

  --radius: 18px;
  --gutter: clamp(16px, 4vw, 40px);
  --max: 1200px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f4f2ef; --bg-2: #ffffff; --bg-3: #ece8e3;
    --line: rgba(28, 27, 26, 0.1); --line-strong: rgba(28, 27, 26, 0.2);
    --fg: #1c1b1a; --muted: #5f5a54;
    --accent: #f05a22; --accent-ink: #b93d0f; --on-accent: #ffffff;
    --hub: #d9481a; --prod: #0e8f84; --ua: #2f5fd9; --ok: #15803d;
    --glow: rgba(240, 90, 34, 0.18);
    --shadow: 0 30px 70px -35px rgba(60, 40, 20, 0.35);
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #f4f2ef; --bg-2: #ffffff; --bg-3: #ece8e3;
  --line: rgba(28, 27, 26, 0.1); --line-strong: rgba(28, 27, 26, 0.2);
  --fg: #1c1b1a; --muted: #5f5a54;
  --accent: #f05a22; --accent-ink: #b93d0f; --on-accent: #ffffff;
  --hub: #d9481a; --prod: #0e8f84; --ua: #2f5fd9; --ok: #15803d;
  --glow: rgba(240, 90, 34, 0.18);
  --shadow: 0 30px 70px -35px rgba(60, 40, 20, 0.35);
  color-scheme: light;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.08; margin: 0; text-wrap: balance; letter-spacing: -0.01em; }
p { margin: 0; text-wrap: pretty; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--accent); color: var(--on-accent); }
[hidden] { display: none !important; }

.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
.mono { font-family: var(--font-mono); font-size: 0.86em; letter-spacing: 0; }
.eyebrow {
  font-family: var(--font-mono); font-size: var(--step--1); text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--muted); display: inline-flex; align-items: center; gap: 0.6em;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: currentColor; opacity: 0.6; }
.muted { color: var(--muted); }

/* grain + ambient glow behind everything */
.ambient {
  position: fixed; inset: 0; pointer-events: none; z-index: -1;
  background:
    radial-gradient(60vw 50vw at 85% -10%, var(--glow), transparent 60%),
    radial-gradient(40vw 40vw at -10% 30%, color-mix(in srgb, var(--ua) 14%, transparent), transparent 65%),
    radial-gradient(40vw 40vw at 50% 110%, color-mix(in srgb, var(--prod) 12%, transparent), transparent 65%);
}
.ambient::after {
  content: ""; position: absolute; inset: 0; opacity: 0.05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- header ---------- */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-color: var(--line);
}
.nav { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { height: 26px; width: auto; }
.brand .brand-text { font-family: var(--font-display); font-weight: 800; font-size: 1.05rem; letter-spacing: 0.04em; }
.brand .brand-sep { width: 1px; height: 22px; background: var(--line-strong); }
.brand .brand-sub { font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted); letter-spacing: 0.08em; }
.logo-on-light { display: none; }
@media (prefers-color-scheme: light) { :root:not([data-theme="dark"]) .logo-on-light { display: block; } :root:not([data-theme="dark"]) .logo-on-dark { display: none; } }
:root[data-theme="light"] .logo-on-light { display: block; }
:root[data-theme="light"] .logo-on-dark { display: none; }

.nav-links { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.nav-links a {
  padding: 8px 14px; border-radius: 999px; font-size: 0.92rem; color: var(--muted);
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--fg); background: var(--bg-3); }
.nav-links a[aria-current="page"] { color: var(--fg); background: var(--bg-3); }
.nav-links .dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 8px; vertical-align: 1px; }
.icon-btn {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  border: 1px solid var(--line); background: var(--bg-2); color: var(--fg); cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
}
.icon-btn:hover { border-color: var(--line-strong); transform: rotate(-8deg); }
.icon-btn svg { width: 18px; height: 18px; }
.menu-btn { display: none; }
.lang-switch {
  display: inline-flex; align-items: center; height: 40px; padding: 4px; gap: 2px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--bg-2); font-family: var(--font-mono); font-size: 0.74rem; font-weight: 500;
  transition: border-color 0.2s;
}
.lang-switch:hover { border-color: var(--line-strong); }
.lang-switch span { padding: 6px 8px; border-radius: 8px; color: var(--muted); transition: background 0.2s, color 0.2s; }
.lang-switch span.on { background: var(--accent); color: var(--on-accent); }
.lang-switch:hover span:not(.on) { color: var(--fg); }
@media (max-width: 860px) {
  .menu-btn { display: grid; }
  .nav { gap: 10px; }
  .nav-links {
    position: absolute; left: 0; right: 0; top: 68px; flex-direction: column; align-items: stretch; gap: 2px;
    padding: 12px var(--gutter) 20px; background: var(--bg); border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; }
  .brand .brand-sub, .brand .brand-sep { display: none; }
  .lang-switch { margin-left: auto; }
}

/* ---------- buttons ---------- */
.btn {
  --b: var(--accent);
  position: relative; display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 22px; border-radius: 999px; font-weight: 600; font-size: 0.95rem;
  border: 1px solid transparent; cursor: pointer; isolation: isolate; overflow: hidden;
  transition: transform 0.25s cubic-bezier(.2,.8,.2,1), box-shadow 0.25s, border-color 0.2s;
}
.btn svg { width: 16px; height: 16px; transition: transform 0.25s; }
.btn:hover svg { transform: translate(3px, -3px); }
.btn-primary { background: var(--b); color: var(--on-accent); box-shadow: 0 10px 30px -10px var(--b); }
.btn-primary::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.35) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform 0.7s;
}
.btn-primary:hover::after { transform: translateX(120%); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -12px var(--b); }
.btn-ghost { border-color: var(--line-strong); color: var(--fg); background: color-mix(in srgb, var(--bg-2) 60%, transparent); }
.btn-ghost:hover { border-color: var(--fg); transform: translateY(-2px); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- hero (index) ---------- */
.hero { position: relative; padding-block: clamp(40px, 7vw, 90px) clamp(32px, 5vw, 64px); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(24px, 4vw, 56px); align-items: center; }
.hero-copy { min-width: 0; display: grid; gap: 26px; }
.hero h1 { font-size: var(--step-4); font-weight: 800; letter-spacing: -0.025em; }
.hero h1 .line { display: block; overflow: hidden; padding-bottom: 0.06em; }
.hero h1 .line > span { display: inline-block; animation: rise 1s cubic-bezier(.2,.8,.2,1) both; }
.hero h1 .line:nth-child(2) > span { animation-delay: 0.12s; }
.hero h1 .line:nth-child(3) > span { animation-delay: 0.24s; }
.hero .lede { font-size: var(--step-1); color: var(--muted); max-width: 56ch; animation: fade 1s 0.4s both; }
.hero .btn-row, .hero .eyebrow { animation: fade 1s 0.55s both; }
.grad-text {
  background: linear-gradient(100deg, var(--hub) 0%, var(--accent-ink) 35%, var(--prod) 65%, var(--ua) 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shimmer 8s ease-in-out infinite alternate;
}
.orbit-stage { position: relative; aspect-ratio: 1 / 1; width: 100%; max-width: 560px; justify-self: center; animation: fade 1.4s 0.2s both; }
.orbit-stage canvas { width: 100%; height: 100%; display: block; }
.orbit-legend { position: absolute; inset: auto 0 -6px 0; display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; font-family: var(--font-mono); font-size: 0.74rem; color: var(--muted); }
.orbit-legend span { display: inline-flex; align-items: center; gap: 6px; }
.orbit-legend i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .orbit-stage { max-width: 420px; }
}

/* stat strip */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line); border-radius: var(--radius); margin-top: clamp(32px, 5vw, 56px);
  background: color-mix(in srgb, var(--bg-2) 70%, transparent); backdrop-filter: blur(6px);
}
.stat { padding: 22px 24px; display: grid; gap: 4px; min-width: 0; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat b { font-family: var(--font-display); font-size: var(--step-3); font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums; }
.stat span { color: var(--muted); font-size: var(--step--1); }
@media (max-width: 760px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
}

/* marquee */
.marquee { border-block: 1px solid var(--line); overflow: hidden; padding-block: 18px; margin-block: clamp(40px, 6vw, 72px) 0; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 48px; width: max-content; animation: marquee 48s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; color: var(--muted); white-space: nowrap; display: inline-flex; align-items: center; gap: 48px; }
.marquee-track span::after { content: "✦"; font-size: 0.7rem; color: var(--accent); }

/* ---------- sections ---------- */
.section { padding-block: clamp(64px, 9vw, 120px); }
.section-head { display: grid; gap: 16px; max-width: 760px; margin-bottom: clamp(32px, 5vw, 56px); }
.section-head h2 { font-size: var(--step-3); font-weight: 800; }
.section-head p { color: var(--muted); font-size: var(--step-1); max-width: 62ch; }

/* app panels */
.apps { display: grid; gap: clamp(20px, 3vw, 32px); }
.app-panel {
  --c: var(--accent);
  position: relative; display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(20px, 4vw, 48px);
  padding: clamp(24px, 4vw, 48px); border-radius: 28px; border: 1px solid var(--line);
  background: linear-gradient(160deg, color-mix(in srgb, var(--c) 9%, var(--bg-2)), var(--bg-2) 55%);
  overflow: hidden; isolation: isolate;
  transform-style: preserve-3d; transition: border-color 0.3s, transform 0.4s cubic-bezier(.2,.8,.2,1);
}
.app-panel:hover { border-color: color-mix(in srgb, var(--c) 45%, var(--line)); }
.app-panel::before { /* spotlight follows pointer */
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity 0.4s;
  background: radial-gradient(500px circle at var(--mx, 50%) var(--my, 50%), color-mix(in srgb, var(--c) 20%, transparent), transparent 60%);
}
.app-panel:hover::before { opacity: 1; }
.app-panel.flip .panel-copy { order: 2; }
.app-panel[data-app="hub"] { --c: var(--hub); }
.app-panel[data-app="prod"] { --c: var(--prod); }
.app-panel[data-app="ua"] { --c: var(--ua); }
.panel-copy { display: grid; gap: 20px; align-content: start; min-width: 0; }
.domain {
  display: inline-flex; align-items: center; gap: 10px; width: fit-content;
  font-family: var(--font-mono); font-size: 0.82rem; padding: 6px 12px 6px 10px; border-radius: 999px;
  border: 1px solid var(--line-strong); background: var(--bg);
}
.live { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); position: relative; }
.live::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid var(--ok); animation: ping 2s infinite; }
.panel-copy h3 { font-size: var(--step-3); font-weight: 800; }
.panel-copy h3 em { font-style: normal; color: var(--c); }
.panel-copy .tagline { font-size: var(--step-1); color: var(--fg); }
.panel-copy p.desc { color: var(--muted); max-width: 60ch; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-size: 0.82rem; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 60%, transparent); color: var(--fg); white-space: nowrap;
}
.panel-figs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border-radius: 14px; overflow: hidden; border: 1px solid var(--line); }
.panel-figs div { background: var(--bg-2); padding: 14px 16px; display: grid; gap: 2px; min-width: 0; }
.panel-figs b { font-family: var(--font-display); font-size: var(--step-2); font-weight: 700; color: var(--c); font-variant-numeric: tabular-nums; line-height: 1.1; }
.panel-figs span { font-size: 0.8rem; color: var(--muted); }
.app-panel .btn-primary { --b: var(--c); }
@media (max-width: 900px) {
  .app-panel { grid-template-columns: 1fr; }
  .app-panel.flip .panel-copy { order: 0; }
}

/* ---------- UI mocks (illustrative) ---------- */
.mock {
  position: relative; border-radius: 18px; border: 1px solid var(--line-strong); background: var(--bg);
  box-shadow: var(--shadow); overflow: hidden; align-self: center; min-width: 0;
  transform: translateZ(40px);
}
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--line); font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); }
.mock-bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--line-strong); }
.mock-bar .url { margin-left: 10px; padding: 3px 10px; border-radius: 6px; background: var(--bg-3); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mock-body { padding: 16px 16px 30px; display: grid; gap: 12px; }
.mock-note { position: absolute; right: 10px; bottom: 8px; font-family: var(--font-mono); font-size: 0.64rem; color: var(--muted); opacity: 0.8; }

.prompt { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg-2); font-size: 0.82rem; min-width: 0; }
.prompt .typed { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.prompt .typed::after { content: "▍"; color: var(--c, var(--accent)); animation: blink 1s steps(1) infinite; }
.prompt .gen { font-size: 0.72rem; padding: 4px 10px; border-radius: 8px; background: var(--c, var(--accent)); color: var(--on-accent); font-weight: 600; }
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.tile { aspect-ratio: 4 / 3; border-radius: 10px; position: relative; overflow: hidden; background: var(--bg-3); }
.tile::before { content: ""; position: absolute; inset: 0; background: var(--g); opacity: 0.9; }
.tile::after { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 35%, rgba(255,255,255,.3) 50%, transparent 65%); transform: translateX(-100%); animation: sweep 3.2s infinite; animation-delay: var(--d, 0s); }
.tile span { position: absolute; left: 8px; bottom: 6px; z-index: 1; font-family: var(--font-mono); font-size: 0.6rem; color: #fff; text-shadow: 0 1px 4px rgba(0,0,0,.5); }
.pill-row { display: flex; gap: 6px; flex-wrap: wrap; }
.pill { font-family: var(--font-mono); font-size: 0.68rem; padding: 4px 8px; border-radius: 6px; border: 1px solid var(--line); color: var(--muted); }
.pill.on { border-color: var(--c, var(--accent)); color: var(--c, var(--accent)); }

.senti { display: grid; gap: 9px; }
.senti-row { display: grid; grid-template-columns: 70px 1fr 38px; gap: 10px; align-items: center; font-size: 0.76rem; }
.senti-row .bar { display: flex; height: 10px; border-radius: 6px; overflow: hidden; background: var(--bg-3); }
.senti-row .bar i { display: block; height: 100%; transform-origin: left; animation: grow 1.4s cubic-bezier(.2,.8,.2,1) both; }
.senti-row .bar i:nth-child(1) { background: var(--prod); }
.senti-row .bar i:nth-child(2) { background: var(--line-strong); animation-delay: 0.15s; }
.senti-row .bar i:nth-child(3) { background: var(--hub); animation-delay: 0.3s; }
.senti-row b { font-family: var(--font-mono); font-weight: 500; font-variant-numeric: tabular-nums; text-align: right; }
.legend-mini { display: flex; gap: 14px; font-size: 0.7rem; color: var(--muted); }
.legend-mini i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 5px; }
.recap { padding: 10px 12px; border-radius: 10px; background: var(--bg-2); border: 1px solid var(--line); font-size: 0.78rem; color: var(--muted); }
.recap strong { color: var(--fg); font-weight: 600; }

.camp { display: grid; gap: 8px; }
.camp-row { display: grid; grid-template-columns: 18px 1fr 64px 34px; gap: 10px; align-items: center; padding: 9px 10px; border-radius: 10px; background: var(--bg-2); border: 1px solid var(--line); font-size: 0.78rem; min-width: 0; }
.camp-row .pf { width: 18px; height: 18px; border-radius: 5px; display: grid; place-items: center; font-size: 0.6rem; font-weight: 800; color: #fff; }
.camp-row .nm { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.camp-row svg { width: 64px; height: 22px; }
.camp-row svg path { fill: none; stroke: var(--ua); stroke-width: 1.6; stroke-dasharray: 120; stroke-dashoffset: 120; animation: draw 2s 0.3s forwards; }
.toggle { width: 30px; height: 17px; border-radius: 999px; background: var(--line-strong); position: relative; }
.toggle::after { content: ""; position: absolute; top: 2px; left: 2px; width: 13px; height: 13px; border-radius: 50%; background: var(--bg); transition: transform 0.3s; }
.toggle.on { background: var(--ok); }
.toggle.on::after { transform: translateX(13px); }
.reco { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; border: 1px dashed color-mix(in srgb, var(--ua) 60%, transparent); font-size: 0.78rem; background: color-mix(in srgb, var(--ua) 8%, transparent); }
.reco b { color: var(--ua); }
.reco .apply { margin-left: auto; font-size: 0.7rem; padding: 4px 10px; border-radius: 8px; background: var(--ua); color: #fff; font-weight: 600; white-space: nowrap; }

/* ---------- ecosystem diagram ---------- */
.eco-frame { border: 1px solid var(--line); border-radius: 24px; background: var(--bg-2); padding: clamp(14px, 2.5vw, 28px); }
.eco-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.eco-svg { min-width: 760px; width: 100%; height: auto; display: block; }
.eco-svg .col-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; fill: var(--muted); }
.eco-svg .node rect { fill: var(--bg); stroke: var(--line-strong); }
.eco-svg .node text { fill: var(--fg); font-family: var(--font-body); font-size: 13px; font-weight: 600; }
.eco-svg .node text.sub { fill: var(--muted); font-family: var(--font-mono); font-size: 10px; font-weight: 400; }
.eco-svg .node.app rect { stroke-width: 1.5; }
.eco-svg .node.app text { font-family: var(--font-display); font-size: 16px; font-weight: 700; }
.eco-svg .edge { fill: none; stroke-width: 1.6; opacity: 0.55; }
.eco-svg .edge.flow { stroke-dasharray: 4 7; animation: dash 1.6s linear infinite; opacity: 0.95; }
.eco-svg .edge.live { stroke-dasharray: 10 6; animation: dash 0.9s linear infinite; opacity: 1; stroke-width: 2; }
.eco-svg .pulse { opacity: 0.9; }
.eco-legend { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 16px; font-size: 0.82rem; color: var(--muted); }
.eco-legend span { display: inline-flex; align-items: center; gap: 8px; }
.eco-legend svg { width: 34px; height: 6px; }
.ai-band { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 14px 16px; border-radius: 14px; border: 1px dashed var(--line-strong); }
.ai-band .label { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.12em; color: var(--muted); text-transform: uppercase; margin-right: 6px; }

/* ---------- daily flow ---------- */
.dayflow-wrap { margin-top: clamp(40px, 6vw, 64px); display: grid; gap: 24px; }
.dayflow-wrap h3 { font-size: var(--step-2); }
.dayflow { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; position: relative; counter-reset: d; }
.dayflow::before { /* rail */
  content: ""; position: absolute; left: 6px; right: 6px; top: 7px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--hub), var(--prod), var(--ua));
  opacity: 0.35;
}
.dayflow::after { /* travelling pulse */
  content: ""; position: absolute; top: 3px; left: 0; width: 60px; height: 10px; border-radius: 10px;
  background: radial-gradient(closest-side, var(--accent), transparent); filter: blur(1px);
  animation: travel 6s linear infinite;
}
.dayflow li { position: relative; padding-top: 30px; display: grid; gap: 6px; align-content: start; counter-increment: d; min-width: 0; }
.dayflow li::before {
  content: ""; position: absolute; top: 0; left: 0; width: 16px; height: 16px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent); box-shadow: 0 0 0 4px var(--glow);
}
.dayflow .when { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-ink); }
.dayflow .when::before { content: "0" counter(d) " · "; color: var(--muted); }
.dayflow b { font-family: var(--font-display); font-size: 1.05rem; line-height: 1.25; }
.dayflow span.d { color: var(--muted); font-size: 0.86rem; line-height: 1.5; }
@media (max-width: 980px) {
  .dayflow { grid-template-columns: 1fr; gap: 0; }
  .dayflow::before { left: 7px; right: auto; top: 6px; bottom: 6px; width: 2px; height: auto; background: linear-gradient(var(--hub), var(--prod), var(--ua)); }
  .dayflow::after { display: none; }
  .dayflow li { padding: 0 0 22px 36px; }
}
.flow-mini { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.flow-mini li { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; }
.flow-mini li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--c); box-shadow: 0 0 0 3px color-mix(in srgb, var(--c) 25%, transparent); flex-shrink: 0; }

/* ---------- UA optimisation loop ---------- */
.loop-frame { border: 1px solid var(--line); border-radius: 24px; background: var(--bg-2); padding: clamp(14px, 2.5vw, 28px); display: grid; gap: 24px; }
.loop-scroll { overflow-x: auto; }
.loop-svg { min-width: 700px; width: 100%; height: auto; display: block; }
.loop-svg .ring { fill: none; stroke: var(--line-strong); stroke-width: 1.5; stroke-dasharray: 3 6; }
.loop-svg .arc { fill: none; stroke: var(--ua); stroke-width: 2; opacity: 0.8; }
.loop-svg .arc.variant { stroke: var(--accent); stroke-width: 2.6; stroke-dasharray: 8 6; animation: dash 0.9s linear infinite; opacity: 1; }
.loop-svg .branch { fill: none; stroke: var(--prod); stroke-width: 2.2; stroke-dasharray: 8 6; animation: dash 1s linear infinite; }
.loop-svg .n rect { fill: var(--bg); stroke: var(--line-strong); stroke-width: 1.2; }
.loop-svg .n.key rect { stroke: var(--ua); stroke-width: 1.8; }
.loop-svg .n.human rect { stroke: var(--prod); stroke-width: 1.8; }
.loop-svg .n text { fill: var(--fg); font-family: var(--font-display); font-weight: 700; font-size: 15px; }
.loop-svg .n text.k { fill: var(--muted); font-family: var(--font-mono); font-weight: 400; font-size: 10px; letter-spacing: 0.1em; }
.loop-svg .center { fill: var(--fg); font-family: var(--font-display); font-weight: 800; font-size: 20px; }
.loop-svg .center-sub { fill: var(--muted); font-family: var(--font-mono); font-size: 11px; }
.loop-svg .lbl { fill: var(--accent-ink); font-family: var(--font-body); font-weight: 600; font-size: 12px; }
.loop-svg .lbl.p { fill: var(--prod); }
.loop-svg .mk { fill: var(--ua); }
.loop-svg .mk.a { fill: var(--accent); }
.loop-svg .mk.p { fill: var(--prod); }
.loop-svg .packet { fill: var(--ua); }
.loop-svg .glow { fill: var(--glow); }
.stages { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; }
.stage { padding: 18px; border-radius: 14px; border: 1px solid var(--line); background: var(--bg); display: grid; gap: 6px; align-content: start; min-width: 0; }
.stage .k { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--c, var(--ua)); }
.stage h4 { font-size: 1.05rem; }
.stage p { color: var(--muted); font-size: 0.86rem; line-height: 1.5; }

/* CI score rows (UA mock) */
.ci { display: grid; gap: 8px; }
.ci-row { display: grid; grid-template-columns: 34px 1fr 80px 66px; gap: 10px; align-items: center; padding: 8px 10px; border-radius: 10px; background: var(--bg-2); border: 1px solid var(--line); font-size: 0.78rem; min-width: 0; }
.ci-row .thumb { width: 34px; height: 34px; border-radius: 8px; background: var(--g); }
.ci-row .nm { min-width: 0; display: grid; }
.ci-row .nm small { color: var(--muted); font-size: 0.68rem; }
.ci-row .score { display: grid; gap: 3px; }
.ci-row .score b { font-family: var(--font-mono); font-weight: 500; font-size: 0.74rem; }
.ci-row .score i { display: block; height: 5px; border-radius: 4px; background: var(--bg-3); overflow: hidden; position: relative; }
.ci-row .score i::after { content: ""; position: absolute; inset: 0; width: var(--v); background: var(--ua); border-radius: 4px; transform-origin: left; animation: grow 1.4s cubic-bezier(.2,.8,.2,1) both; }
.ci-row .tag { font-size: 0.66rem; font-weight: 600; text-align: center; padding: 3px 6px; border-radius: 6px; border: 1px solid currentColor; }
.tag.scale { color: var(--ok); }
.tag.keep { color: var(--muted); }
.tag.var { color: var(--accent-ink); }

/* ---------- commit pulse ---------- */
.pulse-card { border: 1px solid var(--line); border-radius: 24px; background: var(--bg-2); padding: clamp(16px, 3vw, 32px); display: grid; gap: 20px; }
.pulse-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; align-items: end; }
.pulse-legend { display: flex; flex-wrap: wrap; gap: 18px; font-size: 0.86rem; }
.pulse-legend button { all: unset; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 8px; transition: opacity 0.2s, background 0.2s; }
.pulse-legend button:hover { background: var(--bg-3); }
.pulse-legend button[aria-pressed="false"] { opacity: 0.35; }
.pulse-legend button:focus-visible { outline: 2px solid var(--accent); }
.pulse-legend i { width: 12px; height: 12px; border-radius: 3px; }
.chart-scroll { overflow-x: auto; position: relative; }
.chart { min-width: 640px; width: 100%; height: auto; display: block; }
.chart .grid line { stroke: var(--line); }
.chart .grid text, .chart .axis text { fill: var(--muted); font-family: var(--font-mono); font-size: 10px; }
.chart rect.bar { transition: opacity 0.2s; }
.chart .col:hover rect.bar { opacity: 0.75; }
.chart .hit { fill: transparent; }
.chart .ann line { stroke: var(--fg); stroke-dasharray: 2 3; opacity: 0.5; }
.chart .ann text { fill: var(--fg); font-family: var(--font-body); font-size: 11px; font-weight: 600; }
.chart .ann text.s { fill: var(--muted); font-weight: 400; font-size: 10px; }
.chart.animate rect.bar { transform-box: fill-box; transform-origin: bottom; animation: grow-y 0.9s cubic-bezier(.2,.8,.2,1) both; }
.tip {
  position: absolute; pointer-events: none; padding: 10px 12px; border-radius: 10px; background: var(--bg); border: 1px solid var(--line-strong);
  box-shadow: var(--shadow); font-size: 0.78rem; display: grid; gap: 3px; min-width: 160px; z-index: 2; transform: translate(-50%, -110%);
}
.tip b { font-family: var(--font-mono); font-weight: 500; }
.tip div { display: flex; justify-content: space-between; gap: 14px; font-variant-numeric: tabular-nums; }
.tip i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 6px; }
.pulse-notes { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.pulse-notes div { border-left: 2px solid var(--c); padding: 2px 0 2px 14px; font-size: 0.88rem; color: var(--muted); }
.pulse-notes b { display: block; color: var(--fg); font-family: var(--font-display); font-size: 1.05rem; }

/* ---------- detail pages ---------- */
.p-hero { position: relative; padding-block: clamp(36px, 6vw, 80px) clamp(40px, 6vw, 72px); overflow: hidden; }
.p-hero canvas.field { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; opacity: 0.9; }
.crumbs { font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted); display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.crumbs a:hover { color: var(--fg); }
.p-hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(24px, 5vw, 64px); align-items: center; margin-top: 28px; }
.p-hero-copy { display: grid; gap: 24px; min-width: 0; }
.p-hero h1 { font-size: var(--step-4); font-weight: 800; letter-spacing: -0.025em; animation: rise-soft 0.9s cubic-bezier(.2,.8,.2,1) both; }
.p-hero h1 em { font-style: normal; color: var(--c); }
.p-hero .quote { font-size: var(--step-2); font-family: var(--font-display); font-weight: 500; line-height: 1.25; max-width: 30ch; animation: fade 1s 0.2s both; }
.p-hero .quote::before { content: "“"; color: var(--c); }
.p-hero .quote::after { content: "”"; color: var(--c); }
.p-hero p.desc { color: var(--muted); max-width: 60ch; animation: fade 1s 0.3s both; }
.p-hero .btn-row { animation: fade 1s 0.4s both; }
.p-hero .btn-primary { --b: var(--c); }
.page-hub { --c: var(--hub); }
.page-prod { --c: var(--prod); }
.page-ua { --c: var(--ua); }
@media (max-width: 900px) { .p-hero-grid { grid-template-columns: 1fr; } }

.fig-stack { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; animation: fade 1s 0.35s both; }
.fig-stack div { background: color-mix(in srgb, var(--bg-2) 88%, transparent); backdrop-filter: blur(8px); padding: 20px; display: grid; gap: 4px; min-width: 0; }
.fig-stack b { font-family: var(--font-display); font-size: var(--step-3); font-weight: 700; color: var(--c); line-height: 1; font-variant-numeric: tabular-nums; }
.fig-stack span { font-size: 0.84rem; color: var(--muted); }

.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pillar { padding: 24px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--bg-2); display: grid; gap: 10px; align-content: start; min-width: 0; }
.pillar svg { width: 28px; height: 28px; color: var(--c); }
.pillar h3 { font-size: var(--step-1); }
.pillar p { color: var(--muted); font-size: 0.94rem; }
@media (max-width: 820px) { .pillars { grid-template-columns: 1fr; } }

.mod-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.mod-tabs button {
  font: inherit; font-size: 0.9rem; cursor: pointer; padding: 9px 16px; border-radius: 999px;
  border: 1px solid var(--line); background: transparent; color: var(--muted); transition: all 0.2s;
}
.mod-tabs button:hover { color: var(--fg); border-color: var(--line-strong); }
.mod-tabs button[aria-selected="true"] { background: var(--c); border-color: var(--c); color: var(--on-accent); }
.mod-tabs button .n { font-family: var(--font-mono); font-size: 0.75rem; opacity: 0.75; margin-left: 6px; }
.mods { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.mod {
  position: relative; padding: 20px; border-radius: 16px; border: 1px solid var(--line); background: var(--bg-2);
  display: grid; gap: 8px; align-content: start; min-width: 0; overflow: hidden; isolation: isolate;
  transition: border-color 0.25s, transform 0.25s cubic-bezier(.2,.8,.2,1);
}
.mod::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity 0.3s;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--c) 16%, transparent), transparent 70%);
}
.mod:hover { border-color: color-mix(in srgb, var(--c) 45%, var(--line)); transform: translateY(-3px); }
.mod:hover::before { opacity: 1; }
.mod .route { font-family: var(--font-mono); font-size: 0.74rem; color: var(--c); word-break: break-all; }
.mod h4 { font-size: 1.08rem; font-weight: 700; }
.mod p { color: var(--muted); font-size: 0.88rem; line-height: 1.5; }
.mod .grp { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.mod.hide { display: none; }
@media (min-width: 900px) { .mods.cols-3 { grid-template-columns: repeat(3, 1fr); } }
.mod.pop { animation: pop 0.45s cubic-bezier(.2,.8,.2,1) both; }

.stack-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; }
.stack-grid > div { background: var(--bg-2); padding: 22px; display: grid; gap: 12px; align-content: start; min-width: 0; }
.stack-grid h4 { font-family: var(--font-mono); font-size: 0.74rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--c); }
.stack-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; }
@media (max-width: 900px) { .stack-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .stack-grid { grid-template-columns: 1fr; } }
.stack-grid li { font-size: 0.84rem; padding: 5px 10px; border-radius: 8px; background: var(--bg-3); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(20px, 4vw, 48px); align-items: start; }
.split > * { min-width: 0; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }
.flow-steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; counter-reset: s; }
.flow-steps li { position: relative; padding: 0 0 26px 48px; counter-increment: s; }
.flow-steps li::before {
  content: counter(s); position: absolute; left: 0; top: -2px; width: 30px; height: 30px; border-radius: 50%;
  display: grid; place-items: center; font-family: var(--font-mono); font-size: 0.8rem; color: var(--c);
  border: 1px solid color-mix(in srgb, var(--c) 50%, var(--line)); background: var(--bg);
}
.flow-steps li::after { content: ""; position: absolute; left: 15px; top: 30px; bottom: 2px; width: 1px; background: linear-gradient(var(--c), transparent); opacity: 0.5; }
.flow-steps li:last-child::after { display: none; }
.flow-steps b { display: block; font-family: var(--font-display); font-size: 1.08rem; margin-bottom: 2px; }
.flow-steps span { color: var(--muted); font-size: 0.92rem; }
.callout { padding: 22px 24px; border-radius: 18px; border: 1px solid color-mix(in srgb, var(--c) 35%, var(--line)); background: color-mix(in srgb, var(--c) 7%, var(--bg-2)); display: grid; gap: 10px; }
.callout h3 { font-size: var(--step-1); }
.callout p { color: var(--muted); font-size: 0.94rem; }

.platforms { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.platform { padding: 22px; border-radius: 16px; border: 1px solid var(--line); background: var(--bg-2); display: grid; gap: 12px; align-content: start; min-width: 0; }
.platform header { display: flex; align-items: center; gap: 10px; }
.platform .logo { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; color: #fff; font-weight: 800; font-family: var(--font-display); }
.platform h4 { font-size: 1.1rem; }
@media (max-width: 820px) { .platforms { grid-template-columns: 1fr; } }

.games { display: flex; flex-wrap: wrap; gap: 10px; }
.game { display: inline-flex; align-items: center; gap: 10px; padding: 10px 16px 10px 10px; border-radius: 14px; border: 1px solid var(--line); background: var(--bg-2); font-size: 0.92rem; }
.game i { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; font-style: normal; font-family: var(--font-display); font-weight: 800; font-size: 0.8rem; color: #fff; background: var(--g); }
.game small { display: block; color: var(--muted); font-size: 0.74rem; }

.next-app {
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 20px; padding: clamp(28px, 5vw, 56px);
  border-radius: 28px; border: 1px solid var(--line); background: var(--bg-2); position: relative; overflow: hidden; isolation: isolate;
  transition: border-color 0.3s;
}
.next-app::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(600px circle at 100% 50%, color-mix(in srgb, var(--n) 22%, transparent), transparent 60%); transition: transform 0.6s; }
.next-app:hover { border-color: var(--n); }
.next-app:hover::before { transform: scale(1.3); }
.next-app .k { font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted); letter-spacing: 0.12em; text-transform: uppercase; }
.next-app h2 { font-size: var(--step-3); font-weight: 800; margin-top: 8px; }
.next-app .arrow { width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; background: var(--n); color: #fff; transition: transform 0.4s cubic-bezier(.2,.8,.2,1); }
.next-app:hover .arrow { transform: rotate(-45deg) scale(1.08); }
.next-app .arrow svg { width: 24px; height: 24px; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: 48px 40px; margin-top: 40px; }
.foot { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.foot h5 { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin: 0 0 14px; font-weight: 500; }
.foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; font-size: 0.92rem; }
.foot ul a:hover { color: var(--accent-ink); }
.foot p { color: var(--muted); font-size: 0.9rem; max-width: 44ch; }
.foot-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 0.8rem; color: var(--muted); }
@media (max-width: 760px) { .foot { grid-template-columns: 1fr; } }

/* ---------- reveal ---------- */
.js [data-reveal] { transition: opacity 0.9s cubic-bezier(.2,.8,.2,1), transform 0.9s cubic-bezier(.2,.8,.2,1); transition-delay: var(--rd, 0s); }
.js [data-reveal]:not(.in) { opacity: 0; transform: translateY(28px); }

/* ---------- keyframes ---------- */
@keyframes rise { from { transform: translateY(105%); } to { transform: none; } }
@keyframes rise-soft { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes shimmer { from { background-position: 0% 50%; } to { background-position: 100% 50%; } }
@keyframes marquee { to { transform: translateX(-50%); } }
@keyframes ping { 0% { transform: scale(0.6); opacity: 0.9; } 100% { transform: scale(1.8); opacity: 0; } }
@keyframes blink { 50% { opacity: 0; } }
@keyframes sweep { 0%, 40% { transform: translateX(-100%); } 70%, 100% { transform: translateX(100%); } }
@keyframes grow { from { transform: scaleX(0); } }
@keyframes grow-y { from { transform: scaleY(0); } }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes dash { to { stroke-dashoffset: -22; } }
@keyframes travel { from { left: 0; } to { left: calc(100% - 60px); } }
@keyframes pop { from { opacity: 0; transform: translateY(10px) scale(0.98); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .js [data-reveal]:not(.in) { opacity: 1; transform: none; }
  .marquee-track { animation: none; }
}