/* Minimal, fast, calm. No JS. */
:root {
  --bg: #f6f3ee;
  --paper: rgba(255, 255, 255, 0.62);
  --panel: rgba(255, 255, 255, 0.42);
  --text: rgba(0, 0, 0, 0.88);
  --muted: rgba(0, 0, 0, 0.62);
  --faint: rgba(0, 0, 0, 0.12);
  --accent: #111111;
  --shadow: 0 10px 32px rgba(0, 0, 0, 0.08);
  --radius: 14px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f3ee;
    --paper: rgba(255, 255, 255, 0.62);
    --panel: rgba(255, 255, 255, 0.42);
    --text: rgba(0, 0, 0, 0.88);
    --muted: rgba(0, 0, 0, 0.62);
    --faint: rgba(0, 0, 0, 0.12);
    --accent: #111111;
    --shadow: 0 10px 32px rgba(0, 0, 0, 0.08);
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: radial-gradient(1200px 900px at 30% 10%, rgba(0, 0, 0, 0.04), transparent 58%),
    radial-gradient(900px 650px at 90% 25%, rgba(0, 0, 0, 0.03), transparent 60%),
    repeating-linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.018) 0px,
      rgba(0, 0, 0, 0.018) 1px,
      transparent 1px,
      transparent 18px
    ),
    var(--bg);
  color: var(--text);
  font: 17px/1.62 ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  letter-spacing: 0.005em;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-color: currentColor;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New",
    monospace;
  font-size: 0.95em;
}

.page {
  max-width: 880px;
  margin: 0 auto;
  padding: 54px 18px 40px;
}

.top {
  padding: 10px 0 26px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--faint);
  border-radius: 999px;
  background: var(--paper);
  color: var(--muted);
  font-size: 13px;
}

h1 {
  margin: 14px 0 8px;
  font-size: clamp(40px, 6vw, 56px);
  line-height: 1.04;
  letter-spacing: -0.025em;
}

.lede {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 18px;
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 18px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.22);
  background: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}

.btn:hover {
  border-color: rgba(0, 0, 0, 0.34);
  background: rgba(255, 255, 255, 0.94);
}

.btn.ghost {
  background: transparent;
  box-shadow: none;
}

.card {
  margin: 14px 0;
  padding: 20px 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(0, 0, 0, 0.12);
  background: var(--panel);
  box-shadow: var(--shadow);
}

h2 {
  margin: 0 0 12px;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.list li {
  margin: 6px 0;
}

.note {
  margin: 12px 0 0;
  color: var(--muted);
}

.code {
  margin: 0;
  padding: 14px 14px;
  border-radius: 14px;
  border: 1px solid var(--faint);
  background: rgba(255, 255, 255, 0.70);
  overflow: auto;
}

.footer {
  padding: 12px 0 0;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.footer a {
  color: inherit;
}

@media (max-width: 520px) {
  .page {
    padding: 40px 14px 34px;
  }

  h1 {
    letter-spacing: -0.03em;
  }

  .actions {
    gap: 10px;
  }

  .card {
    padding: 18px 14px;
  }
}