:root {
  --bg: #07090d;
  --surface: #0d1017;
  --ink: #f4efe3;
  --ink-2: rgba(244,239,227,0.76);
  --ink-dim: rgba(244,239,227,0.54);
  --gold: #c9a961;
  --gold-bright: #e2c87a;
  --hair: rgba(201,169,97,0.18);
  --serif: Georgia, "Times New Roman", serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html {
  background: var(--bg);
  color: var(--ink);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--serif);
  background:
    radial-gradient(100% 60% at 50% -10%, rgba(201,169,97,0.13), transparent 58%),
    linear-gradient(180deg, #06080c 0%, #0a0d13 100%);
  color: var(--ink);
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--gold-bright); }

.page {
  width: min(100% - 32px, 880px);
  margin: 0 auto;
  padding: 42px 0 56px;
}

header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 72px;
}

.brand,
.nav,
.eyebrow,
.k,
footer {
  font-family: var(--mono);
}

.brand,
.nav {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
}

.eyebrow {
  font-size: 12px;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(44px, 9vw, 88px);
  line-height: 0.94;
  font-weight: 400;
  letter-spacing: 0;
  margin: 0 0 22px;
  max-width: 790px;
}

.lede {
  color: var(--ink-2);
  font-size: clamp(19px, 3vw, 25px);
  max-width: 735px;
  margin: 0;
}

h2 {
  font-size: clamp(31px, 5vw, 48px);
  line-height: 1;
  font-weight: 400;
  letter-spacing: 0;
  margin: 64px 0 18px;
}

h3 {
  font-size: 22px;
  line-height: 1.1;
  font-weight: 400;
  margin: 0 0 10px;
}

p {
  color: var(--ink-2);
  margin: 0 0 16px;
}

ul {
  color: var(--ink-2);
  padding-left: 20px;
}

li { margin: 9px 0; }

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 44px 0;
}

.card,
.panel,
.link,
.demo {
  border: 1px solid var(--hair);
  background: rgba(13,16,23,0.74);
  border-radius: 8px;
}

.card,
.panel,
.link {
  padding: 22px;
  overflow-wrap: anywhere;
}

.k {
  display: block;
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

code,
pre,
select,
button,
textarea {
  font-family: var(--mono);
}

pre {
  overflow-x: auto;
  border: 1px solid var(--hair);
  border-radius: 8px;
  padding: 18px;
  background: rgba(0,0,0,0.28);
  color: var(--ink);
}

.links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.link strong {
  display: block;
  font-weight: 400;
  margin-bottom: 4px;
}

.link span {
  color: var(--ink-dim);
  font-family: var(--mono);
  font-size: 12px;
}

.demo {
  padding: 22px;
  margin: 34px 0;
}

.demo-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 20px 0;
}

label {
  display: grid;
  gap: 8px;
  color: var(--ink-2);
  font-family: var(--mono);
  font-size: 12px;
}

select,
textarea {
  width: 100%;
  border: 1px solid var(--hair);
  border-radius: 8px;
  background: rgba(0,0,0,0.25);
  color: var(--ink);
  padding: 12px;
  font-size: 14px;
}

textarea {
  min-height: 150px;
  resize: vertical;
}

footer {
  margin-top: 72px;
  padding-top: 20px;
  border-top: 1px solid var(--hair);
  color: var(--ink-dim);
  font-size: 12px;
}

@media (max-width: 700px) {
  header,
  .nav {
    display: block;
  }

  .nav a {
    display: inline-block;
    margin: 12px 12px 0 0;
  }

  .grid,
  .links,
  .demo-controls {
    grid-template-columns: 1fr;
  }

  .page {
    width: min(100% - 28px, 880px);
    padding-top: 28px;
  }
}