:root {
  --bg: #fbfaf8;
  --fg: #1d1d1f;
  --muted: #6b6b70;
  --accent: #2f6fde;
  --card: #ffffff;
  --border: #e6e4df;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121214;
    --fg: #ececee;
    --muted: #9a9aa2;
    --accent: #7aa7ff;
    --card: #1b1b1f;
    --border: #2c2c32;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 48px 16px 80px;
}

nav { display: flex; gap: 20px; margin-bottom: 56px; font-size: 15px; }
nav a { color: var(--muted); text-decoration: none; }
nav a[aria-current="page"] { color: var(--fg); }

h1 { font-size: 40px; line-height: 1.15; margin: 0; letter-spacing: -0.02em; }
h2 { font-size: 15px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 40px 0 12px; }

.tagline { font-size: 20px; color: var(--muted); margin: 8px 0 32px; }
.muted { color: var(--muted); }

a { color: var(--accent); text-underline-offset: 3px; }

.links { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.links a {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  text-decoration: none;
  background: var(--card);
}
.links a:hover { border-color: var(--accent); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 24px;
  margin-bottom: 20px;
}
.card h2 { text-transform: none; letter-spacing: normal; color: var(--fg); font-size: 22px; margin: 0 0 8px; }
.card p { margin: 8px 0; }
.meta { font-size: 14px; color: var(--muted); }