:root {
  --ink: #1b1f2a;
  --ink-2: #252a38;
  --coral: #f26a6e;
  --amber: #f2a96f;
  --sun: #f5d36e;
  --text: #f4f5f8;
  --muted: #a9afc0;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
}

a { color: var(--sun); }

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

header.site {
  padding: 28px 0 8px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0.28em;
  font-size: 15px;
}

.brand svg { width: 28px; height: 28px; }

.hero { padding: 40px 0 24px; }

.hero h1 {
  margin: 0 0 8px;
  font-size: clamp(32px, 7vw, 48px);
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.hero p.tag { margin: 0; color: var(--muted); font-size: 18px; }

.card {
  background: var(--ink-2);
  border-radius: 22px;
  padding: 24px;
  margin: 24px 0;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.card img {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  flex: none;
}

.card h2 { margin: 0 0 6px; font-size: 24px; }
.card p { margin: 0 0 14px; color: var(--muted); }

.btn {
  display: inline-block;
  background: var(--coral);
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  padding: 11px 22px;
  border-radius: 999px;
}

main.doc { padding: 24px 0 40px; }
main.doc h1 { font-size: 30px; margin: 8px 0 4px; }
main.doc h2 { font-size: 19px; margin: 28px 0 6px; color: var(--sun); }
main.doc p, main.doc li { color: #dfe2ea; }
main.doc .meta { color: var(--muted); margin: 0 0 20px; }
main.doc ul { padding-left: 20px; }

footer.site {
  border-top: 1px solid #333a4d;
  margin-top: 40px;
  padding: 22px 0 40px;
  color: var(--muted);
  font-size: 14px;
}

footer.site a { color: var(--muted); margin-right: 16px; }

@media (max-width: 520px) {
  .card { flex-direction: column; }
}