:root {
  color-scheme: light dark;
  --bg: #faf9f6;
  --fg: #1a1a1a;
  --muted: #6a6a6a;
  --rule: #e6e3dd;
  --accent: #2a2a2a;
  --card: #fff;
  --radius: 14px;
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", system-ui, sans-serif;
  --font-display: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Inter", system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0e0e;
    --fg: #ededed;
    --muted: #8a8a8a;
    --rule: #1f1f1f;
    --accent: #ededed;
    --card: #161616;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 24px 96px;
}

header {
  margin-bottom: 72px;
}

.mark {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--fg);
  text-decoration: none;
  display: inline-block;
}
a.mark { color: var(--fg); }

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(40px, 7vw, 60px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin: 0 0 24px;
}

.hero .lede {
  font-size: 20px;
  line-height: 1.5;
  color: var(--muted);
  max-width: 600px;
  margin: 0 0 28px;
}

.hero .status {
  font-size: 15px;
  color: var(--muted);
}

.hero .status a {
  color: var(--fg);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 72px;
}

@media (min-width: 700px) {
  .cards { grid-template-columns: 1fr 1fr 1fr; }
}

.cards article {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 24px;
}

.cards h2 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}

.cards p {
  font-size: 15px;
  color: var(--muted);
  margin: 0;
}

footer {
  margin-top: 96px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  font-size: 14px;
  color: var(--muted);
}

footer nav {
  display: flex;
  gap: 20px;
  margin-bottom: 8px;
}

footer a {
  color: var(--fg);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Long-form document pages (privacy, terms) */
.doc article {
  margin-top: 24px;
}

.doc h1 {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -0.025em;
  margin: 0 0 8px;
}

.doc h2 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 40px 0 10px;
}

.doc .meta {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 32px;
}

.doc p, .doc li {
  font-size: 16px;
  line-height: 1.65;
  color: var(--fg);
}

.doc ul, .doc ol {
  padding-left: 22px;
  margin: 12px 0;
}

.doc li {
  margin-bottom: 6px;
}

.doc a {
  color: var(--fg);
  text-underline-offset: 3px;
}

.doc code {
  background: var(--card);
  border: 1px solid var(--rule);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, monospace;
  font-size: 14px;
}