/* KyberOS website */
:root {
  --bg: #080613;
  --bg-alt: #0c0819;
  --surface: #130d26;
  --surface-2: #171031;
  --border: rgba(167, 139, 250, 0.14);
  --border-strong: rgba(167, 139, 250, 0.34);
  --text: #ede9fb;
  --muted: #a79bc9;
  --faint: #6f6494;
  --accent: #8b5cf6;
  --accent-2: #c4b5fd;
  --accent-3: #7c3aed;
  --good: #4ade80;
  --warn: #fbbf24;
  --run: #c4b5fd;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --display: "Space Grotesk", var(--sans);
  --radius: 14px;
  --maxw: 1120px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Ambient glow + faint grid */
.bg-glow {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(900px 500px at 75% -5%, rgba(124, 58, 237, 0.22), transparent 60%),
    radial-gradient(700px 480px at -10% 30%, rgba(76, 29, 149, 0.16), transparent 60%),
    radial-gradient(800px 600px at 50% 110%, rgba(124, 58, 237, 0.10), transparent 60%),
    var(--bg);
}
.bg-glow::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(167, 139, 250, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(167, 139, 250, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 30%, transparent 75%);
}

h1, h2, h3 { font-family: var(--display); line-height: 1.15; letter-spacing: -0.01em; }

h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); font-weight: 700; margin: 0.35em 0 0.4em; }

h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 600; margin-bottom: 0.5em; }

h3 { font-size: 1.06rem; font-weight: 600; margin-bottom: 0.45em; }

code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: rgba(139, 92, 246, 0.14);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.1em 0.4em;
  color: var(--accent-2);
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { color: var(--accent-3); }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.dev-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--warn);
  border: 1px solid rgba(251, 191, 36, 0.35);
  background: rgba(251, 191, 36, 0.07);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 20px;
}

.section { padding: 96px 0; }
.section-alt { background: linear-gradient(180deg, transparent, rgba(19, 13, 38, 0.5) 18%, rgba(19, 13, 38, 0.5) 82%, transparent); }
.section-lede { max-width: 640px; color: var(--muted); margin-bottom: 48px; }
.section-note { color: var(--faint); font-size: 0.92rem; margin-top: 20px; }

/* ---------- Nav ---------- */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background 0.25s, border-color 0.25s;
}
.site-nav.scrolled {
  background: rgba(8, 6, 19, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 28px; height: 68px; }

.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.brand-mark { border-radius: 50%; display: block; }
.brand-name { font-family: var(--display); font-weight: 700; font-size: 1.12rem; }
.brand-tag { font-family: var(--mono); font-size: 0.68rem; color: var(--faint); letter-spacing: 0.08em; margin-left: 2px; }

.nav-links { display: flex; align-items: center; gap: 24px; margin-left: auto; }
.nav-links a { color: var(--muted); font-size: 0.92rem; font-weight: 500; transition: color 0.15s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a.btn { color: var(--accent-2); }
.nav-links a.lang-switch {
  border: 1px solid var(--border-strong); border-radius: 999px;
  padding: 2px 10px; color: var(--accent-2); font-size: 0.8rem;
}

.nav-toggle {
  display: none; margin-left: auto; background: none; border: 0; cursor: pointer;
  padding: 10px; flex-direction: column; gap: 5px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.2s, opacity 0.2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--display); font-weight: 600; font-size: 0.95rem;
  padding: 12px 26px; border-radius: 10px; border: 1px solid transparent;
  cursor: pointer; transition: transform 0.15s, box-shadow 0.15s, background 0.15s, border-color 0.15s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-3), var(--accent));
  color: #fff;
  box-shadow: 0 4px 24px rgba(124, 58, 237, 0.4);
}
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 8px 32px rgba(124, 58, 237, 0.55); }
.btn-ghost { border-color: var(--border-strong); color: var(--accent-2); background: rgba(139, 92, 246, 0.06); }
.btn-ghost:hover { border-color: var(--accent); background: rgba(139, 92, 246, 0.14); color: var(--accent-3); }
.btn-small { padding: 7px 16px; font-size: 0.85rem; }

/* ---------- Hero ---------- */
.hero { padding: 170px 0 80px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }

.lede { font-size: 1.16rem; color: var(--muted); max-width: 540px; }
.lede strong { color: var(--text); font-weight: 600; }

.hero-actions { display: flex; gap: 14px; margin: 34px 0 26px; flex-wrap: wrap; }

.hero-note { font-size: 0.92rem; color: var(--faint); max-width: 480px; }
.hero-note em { color: var(--muted); font-style: normal; }

.hero-logo {
  position: relative;
  width: min(360px, 80%);
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  animation: float 7s ease-in-out infinite;
  will-change: transform;
}
.hero-logo.reveal { transition: opacity 0.6s ease; }
.hero-logo::before {
  content: "";
  position: absolute; inset: -22%; z-index: 0;
  border-radius: 50%;
  background: radial-gradient(circle,
    rgba(124, 58, 237, 0.45) 0%,
    rgba(124, 58, 237, 0.16) 40%,
    rgba(76, 29, 149, 0.08) 60%,
    transparent 75%);
}
.hero-logo img {
  position: relative; z-index: 1;
  width: 100%; height: auto; border-radius: 50%;
}
.logo-ring {
  position: absolute; inset: -7%; z-index: 1;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  animation: ringpulse 7s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(0, -14px, 0); }
}
@keyframes ringpulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.05); opacity: 1; }
}

/* ---------- Terminal ---------- */
.bootband { padding: 10px 0 30px; }

.terminal {
  background: #0b0716;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5), 0 0 80px rgba(124, 58, 237, 0.08);
}
.terminal-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 11px 16px;
  background: rgba(139, 92, 246, 0.07);
  border-bottom: 1px solid var(--border);
}
.terminal-bar .dot { width: 11px; height: 11px; border-radius: 50%; background: #2d2347; }
.terminal-bar .dot:nth-child(1) { background: #7c3aed; }
.terminal-bar .dot:nth-child(2) { background: #4c1d95; }
.terminal-bar .dot:nth-child(3) { background: #2d1b57; }
.terminal-bar em {
  font-style: normal; font-family: var(--mono); font-size: 0.75rem;
  color: var(--faint); margin-left: 10px;
}
.terminal-body {
  padding: 20px 22px;
  font-family: var(--mono); font-size: 0.83rem; line-height: 1.7;
  color: #cdc6e8; overflow-x: auto;
}
.t-pass { color: var(--good); font-weight: 500; }
.t-dim { color: var(--faint); }
.t-cmt { color: var(--faint); }

/* ---------- Vision ---------- */
.vision-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin: 40px 0 64px; align-items: start; }
.vision-quote {
  border-left: 3px solid var(--accent);
  padding: 8px 0 8px 26px;
  font-family: var(--display);
  font-size: 1.28rem; line-height: 1.55; color: var(--text);
}
.vision-quote strong { color: var(--accent-2); font-weight: 600; }
.vision-copy p { color: var(--muted); margin-bottom: 16px; }
.vision-copy strong { color: var(--text); font-weight: 600; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35), 0 0 30px rgba(124, 58, 237, 0.1);
}
.card h3 { color: var(--accent-2); }
.card p { color: var(--muted); font-size: 0.94rem; }

/* ---------- Architecture stack ---------- */
.stack { max-width: 760px; margin: 0 auto 56px; }
.stack-row { display: flex; gap: 12px; margin-bottom: 12px; }
.stack-personalities .stack-box { flex: 1; }
.stack-box {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  text-align: center;
}
.stack-box strong { display: block; font-family: var(--display); font-size: 1rem; margin-bottom: 4px; }
.stack-box span { font-family: var(--mono); font-size: 0.72rem; color: var(--faint); }
.stack-box-future { border-style: dashed; opacity: 0.6; }
.stack-core { background: var(--surface-2); border-color: var(--border-strong); }
.stack-kernel {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.28), rgba(76, 29, 149, 0.28));
  border-color: var(--accent);
  box-shadow: 0 0 40px rgba(124, 58, 237, 0.18);
}
.stack-kernel strong { color: #fff; }
.stack-kernel span { color: var(--accent-2); }
.stack-caption {
  text-align: center; font-family: var(--mono); font-size: 0.74rem;
  color: var(--faint); padding-top: 10px;
}

.notes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.note {
  border-top: 2px solid var(--accent-3);
  padding: 22px 4px 0;
}
.note p { color: var(--muted); font-size: 0.94rem; }

/* ---------- Status ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 44px; }
.stat {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 22px;
}
.stat-value { display: block; font-family: var(--display); font-size: 1.6rem; font-weight: 700; color: var(--accent-2); }
.stat-unit { font-size: 0.9rem; color: var(--faint); margin-left: 4px; }
.stat-label { font-size: 0.8rem; color: var(--faint); }

.table-wrap {
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: auto; background: var(--surface);
}
.milestones { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.milestones th {
  text-align: left; font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint);
  padding: 14px 20px; border-bottom: 1px solid var(--border);
  background: rgba(139, 92, 246, 0.05);
}
.milestones td { padding: 13px 20px; border-bottom: 1px solid var(--border); color: var(--muted); }
.milestones tr:last-child td { border-bottom: 0; }
.milestones td:first-child { white-space: nowrap; }
.milestones tbody tr { transition: background 0.12s; }
.milestones tbody tr:hover { background: rgba(139, 92, 246, 0.05); }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.06em;
  padding: 3px 11px; border-radius: 999px; white-space: nowrap;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge-done { color: var(--good); background: rgba(74, 222, 128, 0.1); border: 1px solid rgba(74, 222, 128, 0.25); }
.badge-part { color: var(--warn); background: rgba(251, 191, 36, 0.08); border: 1px solid rgba(251, 191, 36, 0.25); }
.badge-run { color: var(--run); background: rgba(196, 181, 253, 0.1); border: 1px solid var(--border-strong); }

/* Comparison table */
.compare-table { min-width: 760px; font-size: 0.86rem; }
.compare-table th.kyber { color: var(--accent-2); }
.compare-table td.kyber, .compare-table th.kyber { background: rgba(139, 92, 246, 0.08); }
.compare-table td.kyber { color: var(--text); }
.compare-table td:first-child { color: var(--accent-2); font-family: var(--mono); font-size: 0.78rem; }

/* ---------- Roadmap timeline ---------- */
.timeline { list-style: none; max-width: 720px; position: relative; padding-left: 34px; }
.timeline::before {
  content: ""; position: absolute; left: 9px; top: 8px; bottom: 8px;
  width: 1px; background: linear-gradient(180deg, var(--good), var(--accent), var(--border));
}
.timeline li { position: relative; padding: 0 0 34px; }
.timeline li:last-child { padding-bottom: 0; }
.tl-marker {
  position: absolute; left: -30px; top: 6px;
  width: 13px; height: 13px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--faint);
}
.tl-done .tl-marker { border-color: var(--good); background: var(--good); box-shadow: 0 0 12px rgba(74, 222, 128, 0.5); }
.tl-here .tl-marker { border-color: var(--accent); background: var(--accent); box-shadow: 0 0 16px rgba(139, 92, 246, 0.8); }
.tl-next .tl-marker { border-color: var(--faint); }
.tl-body h3 { font-size: 1.1rem; display: flex; align-items: center; gap: 12px; }
.tl-body p { color: var(--muted); font-size: 0.94rem; max-width: 600px; }
.tl-here h3 { color: var(--accent-2); }

/* ---------- Charter ---------- */
.rules { list-style: none; max-width: 780px; margin-bottom: 56px; }
.rule { display: flex; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--border); }
.rule:last-child { border-bottom: 0; }
.rule-num {
  flex: none; width: 38px; height: 38px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--display); font-weight: 700; font-size: 1.05rem;
  color: var(--accent-2);
  background: rgba(139, 92, 246, 0.1); border: 1px solid var(--border-strong);
}
.rule h3 { margin-bottom: 4px; }
.rule p { color: var(--muted); font-size: 0.94rem; }

.charter-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.terminal-small .terminal-body { font-size: 0.82rem; }

.nongoals h3 { margin-bottom: 16px; }
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li {
  font-family: var(--mono); font-size: 0.74rem; color: var(--muted);
  background: rgba(139, 92, 246, 0.07); border: 1px solid var(--border);
  border-radius: 999px; padding: 6px 14px;
}
.chips-large li { font-size: 0.82rem; padding: 9px 18px; }
.table-wrap + .notes-grid { margin-top: 36px; }

/* ---------- Build ---------- */
.build-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ---------- History page ---------- */
.hero-page { padding: 160px 0 40px; }
.hero-page .lede { max-width: 720px; }

.callout {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 26px 28px;
}
.callout h3 { color: var(--accent-2); }
.callout p { color: var(--muted); font-size: 0.95rem; margin-bottom: 12px; }
.callout p:last-child { margin-bottom: 0; }
.callout-thanks { max-width: 760px; margin-top: 56px; }

.era-tl { max-width: 820px; }
.era {
  display: grid; grid-template-columns: 130px 1fr; gap: 28px;
  padding: 26px 0; border-bottom: 1px solid var(--border);
}
.era:last-child { border-bottom: 0; }
.era-year {
  font-family: var(--mono); font-size: 0.82rem; color: var(--accent-2);
  padding-top: 4px; white-space: nowrap;
}
.era-body h3 { font-size: 1.15rem; }
.era-body p { color: var(--muted); font-size: 0.95rem; }

.people-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.person {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: border-color 0.2s;
}
.person:hover { border-color: var(--border-strong); }
.person h3 { font-size: 1rem; }
.person-role {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent-2); margin-bottom: 10px;
}
.person p:last-child { color: var(--muted); font-size: 0.9rem; }

.lineage { max-width: 880px; }
.line {
  display: flex; align-items: center; flex-wrap: wrap; gap: 10px;
  padding: 14px 0;
}
.line-chip {
  font-family: var(--mono); font-size: 0.78rem; color: var(--muted);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 14px; white-space: nowrap;
}
.line-root { border-color: var(--border-strong); color: var(--accent-2); }
.line-accent {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.22), rgba(76, 29, 149, 0.22));
  border-color: var(--accent); color: var(--accent-3);
}
.line-arrow { color: var(--faint); font-size: 0.85rem; }

.sources { margin-top: 64px; border-top: 1px solid var(--border); padding-top: 32px; max-width: 780px; }
.sources h3 { margin-bottom: 14px; }
.sources ul { list-style: none; }
.sources li { padding: 6px 0 6px 22px; position: relative; font-size: 0.9rem; }
.sources li::before { content: "→"; position: absolute; left: 0; color: var(--accent); }
.sources a { color: var(--muted); }
.sources a:hover { color: var(--accent-2); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 48px 0; background: rgba(11, 7, 22, 0.6); }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { border-radius: 50%; }
.footer-brand strong { font-family: var(--display); display: block; }
.footer-brand span { font-family: var(--mono); font-size: 0.68rem; color: var(--faint); }
.footer-links { display: flex; gap: 22px; margin-left: auto; }
.footer-links a { color: var(--muted); font-size: 0.9rem; }
.footer-links a:hover { color: var(--text); }
.footer-legal { flex-basis: 100%; font-size: 0.8rem; color: var(--faint); margin-top: 8px; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-logo { order: -1; width: min(220px, 55%); }
  .hero { padding: 130px 0 60px; }
  .cards, .notes-grid, .people-grid { grid-template-columns: 1fr 1fr; }
  .vision-grid, .charter-grid, .build-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .section { padding: 64px 0; }
  .cards, .notes-grid, .people-grid { grid-template-columns: 1fr; }
  .era { grid-template-columns: 1fr; gap: 6px; }
  .stack-personalities { flex-direction: column; }
  .milestones td, .milestones th { padding: 10px 12px; font-size: 0.82rem; }
  .brand-tag { display: none; }

  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(8, 6, 19, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 8px 24px 16px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--border); }
  .nav-links a.btn { border: 1px solid var(--border-strong); margin-top: 12px; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-logo, .logo-ring { animation: none; }
}