:root {
  --bg: #050816;
  --bg2: #0a1023;
  --panel: rgba(255,255,255,0.06);
  --panel-strong: rgba(255,255,255,0.09);
  --line: rgba(255,255,255,0.12);
  --text: #eef2ff;
  --muted: #aeb8d5;
  --muted-2: #8f9ab8;
  --violet: #8b5cf6;
  --cyan: #22d3ee;
  --pink: #f472b6;
  --glow: 0 24px 80px rgba(0, 0, 0, 0.28);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 0% 0%, rgba(139,92,246,.22), transparent 28%),
    radial-gradient(circle at 100% 0%, rgba(34,211,238,.16), transparent 24%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 28px 24px 96px; }
.nav {
  display:flex; align-items:center; justify-content:space-between; gap: 16px;
  position: sticky; top: 0; z-index: 10;
  padding: 18px 0; backdrop-filter: blur(10px);
}
.brand { display:flex; align-items:center; gap: 12px; font-weight: 800; letter-spacing: .03em; }
.logo {
  width: 38px; height: 38px; border-radius: 13px;
  background: linear-gradient(135deg, var(--violet), var(--cyan));
  box-shadow: 0 0 48px rgba(139,92,246,.38);
}
.nav-right { display:flex; align-items:center; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
.nav-links { display:flex; flex-wrap: wrap; gap: 10px; }
.nav-links a {
  padding: 10px 13px; border:1px solid transparent; border-radius: 999px;
  color: var(--muted);
}
.nav-links a:hover, .nav-links a.active { color: var(--text); border-color: var(--line); background: rgba(255,255,255,.04); }
.lang-switch { display:flex; gap: 8px; padding: 5px; border:1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.04); }
.lang-switch a { padding: 7px 12px; border-radius: 999px; color: var(--muted); font-size: 13px; font-weight: 700; letter-spacing: .06em; }
.lang-switch a.active { background: rgba(255,255,255,.1); color: var(--text); }
.eyebrow {
  display:inline-block; margin-bottom: 16px; padding: 8px 12px; border-radius: 999px;
  background: rgba(255,255,255,.04); border: 1px solid var(--line); color: #d8b4fe;
  font-size: 13px; text-transform: uppercase; letter-spacing: .1em;
}
.hero { display:grid; grid-template-columns: 1fr; gap: 26px; align-items: start; padding-top: 44px; }
.hero-copy { max-width: 1040px; }
.hero-copy h1 { font-size: clamp(46px, 8vw, 88px); line-height: .93; letter-spacing: -.05em; margin: 0 0 18px; max-width: 12.5em; }
h1 { font-size: clamp(46px, 8vw, 88px); line-height: .93; letter-spacing: -.05em; margin: 0 0 18px; }
.lead { font-size: 20px; line-height: 1.75; color: var(--muted); max-width: 760px; margin: 0 0 28px; }
.hero-visual {
  min-height: 420px;
  max-width: 1180px;
  overflow: hidden;
  position: relative;
  border-radius: 28px;
  border: 1px solid var(--line);
  box-shadow: var(--glow);
  background:
    linear-gradient(180deg, rgba(5,8,22,.08), rgba(5,8,22,.58)),
    linear-gradient(180deg, rgba(5,8,22,0) 0%, rgba(5,8,22,.82) 100%),
    url('./generated/hero-4.png') center/cover no-repeat;
}
.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(139,92,246,.18), transparent 28%), radial-gradient(circle at 85% 18%, rgba(34,211,238,.16), transparent 22%);
  pointer-events: none;
}
.hero-panel {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  display: grid;
  gap: 10px;
  z-index: 1;
}
.hero-panel .mini {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(8,12,28,.48);
  color: #dce7ff;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.hero-panel h3 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: -.03em;
}
.hero-panel p {
  margin: 0;
  max-width: 28rem;
  color: rgba(238,242,255,.82);
  line-height: 1.7;
}
.cta { display:flex; flex-wrap:wrap; gap: 12px; }
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap: 8px;
  padding: 14px 18px; border-radius: 14px; font-weight: 700; transition: .18s ease;
}
.btn.primary { background: linear-gradient(135deg, var(--violet), var(--pink)); color: white; box-shadow: 0 16px 48px rgba(139,92,246,.25); }
.btn.secondary { border:1px solid var(--line); background: rgba(255,255,255,.04); color: var(--text); }
.btn:hover { transform: translateY(-1px); }
.card {
  border:1px solid var(--line); background: var(--panel); border-radius: 24px; padding: 24px;
  backdrop-filter: blur(16px); box-shadow: var(--glow);
}
.stack { display:grid; gap: 14px; }
.metric { border-radius: 18px; background: var(--panel-strong); border:1px solid rgba(255,255,255,.08); padding: 18px; }
.metric strong { display:block; font-size: 28px; margin-bottom: 8px; }
.section { margin-top: 84px; }
.section-head { display:flex; justify-content:space-between; gap: 20px; align-items:end; margin-bottom: 22px; }
.section-head h2 { font-size: 34px; line-height: 1.08; margin: 0; letter-spacing: -.03em; }
.section-head p { max-width: 680px; color: var(--muted); margin: 0; line-height: 1.75; }
.grid-3 { display:grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display:grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.feature h3, .tile h3, .article h3 { margin: 0 0 12px; font-size: 22px; }
.feature p, .tile p, .article p, .body p, .body li { color: var(--muted); line-height: 1.8; }
.kicker { color: var(--cyan); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 10px; }
.list { display:grid; gap: 12px; padding-left: 18px; }
.quote { font-size: 28px; line-height: 1.45; letter-spacing: -.03em; color: #f5f7ff; }
.timeline { display:grid; gap: 12px; }
.timeline .item { padding: 16px 18px; border-radius: 18px; border:1px solid var(--line); background: rgba(255,255,255,.04); }
.badge { display:inline-block; padding: 7px 10px; border-radius: 999px; background: rgba(34,211,238,.1); color: #8be9f7; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.footer {
  margin-top: 84px; padding-top: 24px; border-top: 1px solid var(--line);
  display:flex; justify-content:space-between; gap: 14px; color: var(--muted-2); font-size: 14px;
}
.page-hero { padding-top: 52px; max-width: 1180px; }
.page-hero h1 { font-size: clamp(40px, 7vw, 72px); max-width: 13em; }
.page-hero .lead { font-size: 19px; max-width: 900px; }
body.lang-ko .hero-copy h1,
body.lang-ko .page-hero h1 {
  line-height: 1.22;
  letter-spacing: -.02em;
  max-width: 15.5em;
}
body.lang-ko .hero-copy .lead,
body.lang-ko .page-hero .lead {
  line-height: 1.95;
  max-width: 50rem;
}
body.lang-ko .eyebrow {
  letter-spacing: .04em;
}
.article-grid { display:grid; grid-template-columns: 1.05fr .95fr; gap: 18px; margin-top: 24px; }
.body { display:grid; gap: 18px; }
.page-hero-split { display:grid; grid-template-columns: 1fr; gap: 24px; align-items: start; max-width: 1180px; }
.art-card {
  min-height: 360px;
  max-width: 1180px;
  border-radius: 28px;
  border: 1px solid var(--line);
  box-shadow: var(--glow);
  background: linear-gradient(180deg, rgba(5,8,22,.12), rgba(5,8,22,.46)), center/cover no-repeat;
}
.art-card.philosophy { background-image: linear-gradient(180deg, rgba(5,8,22,.10), rgba(5,8,22,.38)), url('./generated/philosophy-art.png'); }
.art-card.philosophy-ko { background-image: linear-gradient(180deg, rgba(5,8,22,.10), rgba(5,8,22,.38)), url('../generated/philosophy-art.png'); }
.inline-links { display:flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.inline-links a { color: var(--text); border-bottom: 1px solid rgba(255,255,255,.2); }
.small-note { color: var(--muted-2); font-size: 14px; line-height: 1.7; }
@media (max-width: 920px) {
  .hero, .grid-3, .grid-2, .article-grid, .page-hero-split, .footer { grid-template-columns: 1fr; display:grid; }
  .hero-copy h1, .page-hero h1 { max-width: none; }
  .page-hero, .hero-copy { max-width: none; }
  .hero-visual, .art-card { min-height: 320px; }
  .section-head { display:grid; }
  .nav { position: static; }
  .nav-right { justify-content: flex-start; }
  .nav-links { justify-content: flex-start; }
  h1 { font-size: 54px; }
  .lead { font-size: 18px; }
}