:root {
  color-scheme: dark;
  --bg: #07101d;
  --surface: #0d1929;
  --surface-2: #122238;
  --line: #243955;
  --text: #f2f6fb;
  --muted: #a9b8ca;
  --accent: #63e6be;
  --accent-2: #74c0fc;
  --warn: #ffd43b;
  --negative: #ff8787;
  --positive: #69db7c;
  font-family: Inter, Pretendard, "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; overflow-x: hidden; background: radial-gradient(circle at 90% -20%, #17375a 0, transparent 34rem), var(--bg); color: var(--text); line-height: 1.68; }
a { color: inherit; }
.skip-link { position: absolute; left: 1rem; top: -5rem; z-index: 10; padding: .7rem 1rem; border-radius: .6rem; background: var(--text); color: var(--bg); }
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  width: min(1180px, calc(100% - 2rem));
  margin: 1rem auto 0;
  padding: .8rem 1rem;
  border: 1px solid color-mix(in srgb, var(--line) 85%, transparent);
  border-radius: 1rem;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(16px);
}

.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; white-space: nowrap; }
.brand > span:last-child { display: grid; }
.brand strong { font-size: .95rem; letter-spacing: .03em; }
.brand small { color: var(--muted); font-size: .72rem; }
.brand-mark { display: grid; place-items: center; width: 2.2rem; height: 2.2rem; border-radius: .7rem; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #06111d; font-weight: 900; }
.primary-nav { display: flex; min-width: 0; align-items: center; justify-content: center; gap: .2rem; }
.primary-nav a { padding: .5rem .68rem; border-radius: .55rem; color: var(--muted); font-size: .88rem; text-decoration: none; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { background: var(--surface-2); color: var(--text); }
.primary-nav .network-home-link { display: inline-flex; align-items: center; gap: .32rem; margin-right: .25rem; border: 1px solid var(--line); background: var(--surface-2); color: var(--text); font-weight: 750; }
.primary-nav .network-home-link:hover { border-color: var(--accent); color: var(--accent); }
.language-toggle { display: grid; place-items: center; width: 2.4rem; height: 2.4rem; border: 1px solid var(--line); border-radius: .7rem; text-decoration: none; }

main, .site-footer { width: min(1120px, calc(100% - 2rem)); margin-inline: auto; }
.hero { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(17rem, .7fr); gap: 3rem; align-items: end; padding: 6.5rem 0 4rem; }
.hero > *, .section-heading > * { min-width: 0; }
.eyebrow { margin: 0 0 .8rem; color: var(--accent); font-size: .77rem; font-weight: 800; letter-spacing: .16em; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 18ch; margin-bottom: 1.25rem; overflow-wrap: anywhere; font-size: clamp(2.25rem, 6vw, 4.8rem); line-height: 1.07; letter-spacing: -.045em; }
.hero-copy, .hero-note, .article-card, .path-card { overflow-wrap: anywhere; }
.hero-copy { max-width: 68ch; margin-bottom: 0; color: var(--muted); font-size: clamp(1rem, 2vw, 1.18rem); }
.hero-note { padding: 1.35rem; border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: .85rem; background: var(--surface); }
.hero-note strong { display: block; margin-bottom: .45rem; }
.hero-note p { margin: 0; color: var(--muted); font-size: .92rem; }

.snapshot, .reading-section, .path-section { padding: 3.25rem 0; border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(15rem, .65fr); gap: 2rem; align-items: end; margin-bottom: 1.8rem; }
.section-heading h2, .path-section h2 { margin-bottom: 0; font-size: clamp(1.65rem, 4vw, 2.5rem); line-height: 1.2; letter-spacing: -.025em; }
.section-heading > p { margin: 0; color: var(--muted); }
.status { font-size: .9rem; text-align: right; }
.status[data-state="ready"] { color: var(--accent); }
.status[data-state="warning"] { color: var(--warn); }

.snapshot-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; }
.metric { min-height: 8.4rem; padding: 1.15rem; border: 1px solid var(--line); border-radius: .85rem; background: linear-gradient(145deg, var(--surface), var(--surface-2)); }
.metric span, .metric small { display: block; color: var(--muted); font-size: .8rem; }
.metric strong { display: block; margin: .75rem 0 .3rem; font-size: clamp(1.35rem, 3vw, 1.9rem); line-height: 1; }
.market-list-wrap { margin-top: 1rem; padding: 1.2rem; border: 1px solid var(--line); border-radius: .85rem; background: var(--surface); }
.market-list-wrap h3 { margin-bottom: .7rem; font-size: 1rem; }
.market-list { display: grid; }
.asset-row { display: grid; grid-template-columns: 2.2rem minmax(8rem, 1fr) minmax(7rem, auto) 5.5rem; gap: .8rem; align-items: center; padding: .75rem .2rem; border-top: 1px solid var(--line); }
.asset-row:first-child { border-top: 0; }
.asset-rank { color: var(--muted); font-variant-numeric: tabular-nums; }
.asset-name { display: grid; }
.asset-name small { color: var(--muted); }
.change { justify-self: end; font-weight: 700; }
.change.up { color: var(--positive); }
.change.down { color: var(--negative); }
.source-note, .empty-state { margin: 1rem 0 0; color: var(--muted); font-size: .82rem; }

.article-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.article-card { position: relative; min-height: 15rem; padding: 1.5rem; border: 1px solid var(--line); border-radius: .9rem; background: var(--surface); overflow: hidden; }
.article-card::after { content: ""; position: absolute; inset: auto -4rem -5rem auto; width: 11rem; height: 11rem; border: 1px solid var(--line); border-radius: 50%; }
.article-number { display: block; margin-bottom: 2rem; color: var(--accent-2); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.article-card h3 { max-width: 27ch; margin-bottom: .8rem; font-size: 1.15rem; }
.article-card p { position: relative; z-index: 1; margin: 0; color: var(--muted); }

.path-section h2 { margin-bottom: 1.5rem; }
.path-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .8rem; }
.path-card { display: grid; grid-template-columns: 1fr auto; gap: .45rem 1rem; padding: 1.25rem; border: 1px solid var(--line); border-radius: .85rem; background: var(--surface); text-decoration: none; }
.path-card strong { font-size: 1rem; }
.path-card span { grid-column: 1; color: var(--muted); font-size: .86rem; }
.path-card b { grid-column: 2; grid-row: 1 / span 2; align-self: center; color: var(--accent); font-size: 1.4rem; }
.path-card:hover { border-color: var(--accent); transform: translateY(-2px); }

.site-footer { display: grid; grid-template-columns: 1fr auto; gap: 2rem; margin-top: 3rem; padding: 2.5rem 0 3rem; border-top: 1px solid var(--line); }
.site-footer strong { display: block; margin-bottom: .35rem; }
.site-footer p { max-width: 50rem; margin: 0; color: var(--muted); font-size: .85rem; }
.site-footer nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .8rem; align-content: start; }
.site-footer a { color: var(--muted); font-size: .85rem; }

@media (max-width: 900px) {
  .site-header { position: relative; grid-template-columns: 1fr auto; gap: .7rem; }
  .primary-nav { grid-column: 1 / -1; grid-row: 2; justify-content: flex-start; overflow-x: auto; padding-top: .25rem; }
  .primary-nav a { flex: 0 0 auto; }
  .hero { grid-template-columns: 1fr; gap: 2rem; padding-top: 4.5rem; }
  .snapshot-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .site-header, main, .site-footer { width: min(100% - 1.2rem, 1120px); }
  .brand small { display: none; }
  .hero { padding: 3.5rem .2rem 3rem; }
  h1 { font-size: clamp(2.15rem, 12vw, 3.4rem); }
  .section-heading, .site-footer { grid-template-columns: 1fr; gap: 1rem; }
  .status { text-align: left; }
  .snapshot-grid, .article-grid, .path-grid { grid-template-columns: 1fr; }
  .asset-row { grid-template-columns: 1.7rem minmax(6rem, 1fr) auto; }
  .asset-row > .change { grid-column: 3; }
  .asset-row > strong { font-size: .88rem; }
  .site-footer nav { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}