:root {
  --bg: #0F1013;
  --surface: #16181D;
  --line: #2A2C33;
  --line-strong: #3A3C44;
  --text: #ECE8E1;
  --text-soft: #CFCBC3;
  --muted: #A8A59D;
  --faint: #8F8C85;
  --accent: #C9A96E;
  --display: 'Cormorant Garamond', Georgia, serif;
  --body: Inter, system-ui, sans-serif;
  --mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
}
a { color: var(--text); text-decoration: none; }
a:hover { color: var(--accent); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3 { margin: 0; font-family: var(--display); font-weight: 500; }

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding-left: max(24px, env(safe-area-inset-left, 0px));
  padding-right: max(24px, env(safe-area-inset-right, 0px));
  display: flex;
  flex-direction: column;
}

.site-header {
  display: flex; flex-wrap: wrap; gap: 16px 32px;
  justify-content: space-between; align-items: center;
  padding: 32px 0;
}
.brand { font-family: var(--display); font-size: 26px; font-weight: 600; letter-spacing: 0.02em; }
.nav { display: flex; flex-wrap: wrap; gap: 8px 32px; font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; }
.nav a { padding: 8px 0; }

.eyebrow { font-size: 13px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); }
.hero { display: flex; flex-direction: column; gap: 32px; padding: 96px 0 112px; border-bottom: 1px solid var(--line); }
.hero h1 { font-size: clamp(48px, 8vw, 104px); line-height: 1.02; letter-spacing: -0.01em; max-width: 14ch; text-wrap: balance; }
.hero h1 em { font-weight: 400; color: var(--accent); }
.lead { margin: 0; max-width: 56ch; font-size: 18px; color: var(--muted); }

.btn {
  display: inline-flex; align-items: center; min-height: 48px; padding: 0 28px;
  background: var(--accent); color: #0F1013; font-weight: 500; font-size: 15px; border: 0;
}
.btn:hover { color: #0F1013; filter: brightness(1.08); }
.pills { display: flex; flex-wrap: wrap; gap: 12px; padding-top: 16px; }
.pill { padding: 6px 14px; border: 1px solid var(--line-strong); font-size: 13px; }

.section { display: flex; flex-direction: column; gap: 48px; padding: 96px 0; border-bottom: 1px solid var(--line); }
.section-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 12px; }
.section h2 { font-size: 44px; }
.kicker { font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; }
.card {
  display: flex; flex-direction: column; gap: 16px; padding: 32px;
  background: var(--surface); border: 1px solid var(--line); color: var(--text);
}
.card:hover { border-color: var(--accent); color: var(--text); }
.card .tag { font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); }
.card h3 { font-size: 32px; }
.card p { margin: 0; color: var(--muted); }
.card .more { margin-top: auto; padding-top: 8px; font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }

.net-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); border-top: 1px solid var(--line); }
.net { display: flex; flex-direction: column; gap: 16px; padding: 32px 32px 32px 0; border-bottom: 1px solid var(--line); color: var(--text); }
.net h3 { font-size: 28px; color: var(--accent); }
.net-list { display: flex; flex-wrap: wrap; gap: 8px 16px; color: var(--text-soft); }

.about { display: flex; flex-wrap: wrap; gap: 48px; padding: 96px 0 128px; }
.about > div { flex: 1 1 300px; min-width: 0; }
.about-text { display: flex; flex-direction: column; gap: 24px; }
.about-text p { margin: 0; max-width: 58ch; }
.about-text .big { font-size: 18px; color: var(--text-soft); }
.about-text .soft { color: var(--muted); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 24px; align-content: start; }
.stat { display: flex; flex-direction: column; gap: 6px; padding-top: 16px; border-top: 1px solid var(--accent); }
.stat b { font-family: var(--display); font-weight: 400; font-size: 28px; }
.stat span { font-size: 14px; color: var(--muted); }

/* sub pages */
.page-hero { display: flex; flex-direction: column; gap: 28px; padding: 64px 0 56px; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(44px, 7vw, 88px); line-height: 1.04; }
.block { display: flex; flex-direction: column; gap: 32px; padding: 72px 0 96px; }
.block h2 { font-size: 36px; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.tile { padding: 24px; background: var(--surface); border: 1px solid var(--line); font-family: var(--display); font-size: 26px; }
.tile small { display: block; margin-top: 6px; font-family: var(--body); font-size: 14px; color: var(--muted); overflow-wrap: anywhere; }
.tile .t { color: var(--accent); }
.note { margin: 0; font-size: 14px; color: var(--faint); }

/* chain picker */
.picker { display: flex; flex-direction: column; gap: 24px; padding: 56px 0 24px; }
.chips { display: flex; flex-wrap: wrap; gap: 12px; }
.chip {
  min-height: 48px; padding: 0 24px; background: transparent; color: var(--text);
  border: 1px solid var(--line-strong); font-size: 15px;
}
.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #0F1013; font-weight: 500; }
.chip { display: inline-flex; align-items: center; gap: 10px; padding: 0 22px 0 12px; }
.logo {
  flex: none; width: 28px; height: 28px; border-radius: 50%; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--surface); border: 1px solid var(--line);
}
.logo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.logo-fallback { font-family: var(--display); font-size: 16px; line-height: 1; color: var(--accent); border-color: var(--line-strong); }
.logo-lg { width: 44px; height: 44px; }
.logo-lg.logo-fallback { font-size: 24px; }
.chip[aria-pressed="true"] .logo-fallback { color: #0F1013; border-color: #0F1013; background: transparent; }
.title-row { display: flex; align-items: center; gap: 14px; }
.logo-lg { width: 56px; height: 56px; }
.logo-lg.logo-fallback { font-size: 28px; }
.logo-xl { width: 72px; height: 72px; }
.logo-xl.logo-fallback { font-size: 36px; }
.chain-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.chain-card {
  display: flex; flex-direction: column; align-items: flex-start; gap: 16px; padding: 32px;
  background: var(--surface); border: 1px solid var(--line); color: var(--text);
}
.chain-card:hover { border-color: var(--accent); color: var(--text); }
.chain-name { font-family: var(--display); font-size: 32px; line-height: 1.1; }
.chain-card .more { font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.tabs { display: flex; flex-wrap: wrap; gap: 8px 28px; border-bottom: 1px solid var(--line); }
.tab {
  min-height: 44px; padding: 0 0 8px; background: transparent; color: var(--muted);
  border: 0; border-bottom: 2px solid transparent; font-size: 14px; letter-spacing: 0.1em; text-transform: uppercase;
}
.tab[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); }
.panel { display: flex; flex-direction: column; gap: 32px; max-width: 900px; min-width: 0; }
.panel-head { display: flex; flex-direction: column; gap: 12px; }
.panel-head h2 { font-size: 36px; }
.meta { font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.panel-head p { margin: 0; color: var(--muted); }
.sec { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.sec h3 { font-size: 26px; }
.sec p { margin: 0; color: var(--muted); white-space: pre-line; }
.code { min-width: 0; background: var(--surface); border: 1px solid var(--line); }
.code-bar { display: flex; justify-content: flex-end; border-bottom: 1px solid var(--line); }
.copy {
  min-height: 44px; padding: 0 20px; background: transparent; color: var(--accent);
  border: 0; font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase;
}
.code pre {
  margin: 0; padding: 20px 24px; overflow-x: auto;
  font-family: var(--mono); font-size: 14px; line-height: 1.7; color: var(--text-soft);
}
.actions { display: flex; flex-wrap: wrap; gap: 16px; }

@media (max-width: 600px) {
  .hero { padding: 64px 0 72px; }
  .section { padding: 64px 0; }
  .section h2 { font-size: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}