:root {
  color-scheme: light dark;
  --background: #f6f5f2;
  --surface: rgba(255, 255, 255, 0.78);
  --text: #171714;
  --muted: #66645d;
  --line: rgba(23, 23, 20, 0.12);
  --accent: #315c4c;
  font-family: ui-rounded, -apple-system, BlinkMacSystemFont, "SF Pro Rounded",
    "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #111210;
    --surface: rgba(28, 29, 26, 0.9);
    --text: #f3f1e9;
    --muted: #aaa79d;
    --line: rgba(255, 255, 255, 0.12);
    --accent: #91cfb4;
  }
}

* { box-sizing: border-box; }

body {
  background: var(--background);
  color: var(--text);
  margin: 0;
  line-height: 1.65;
}

header,
main,
footer {
  margin: 0 auto;
  max-width: 760px;
  padding: 24px;
}

header {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

.brand {
  color: var(--text);
  font-size: 1.08rem;
  font-weight: 700;
  text-decoration: none;
}

nav { display: flex; gap: 18px; }

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

nav a {
  font-size: 0.9rem;
  text-decoration: none;
}

.hero { padding-block: 72px 48px; }

h1 {
  font-size: clamp(2.25rem, 9vw, 4.5rem);
  letter-spacing: -0.055em;
  line-height: 0.98;
  margin: 0 0 24px;
}

h2 {
  font-size: 1.25rem;
  margin: 40px 0 8px;
}

p, li { color: var(--muted); }

.lede {
  color: var(--text);
  font-size: 1.2rem;
  max-width: 580px;
}

.cards {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, 1fr);
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  color: var(--text);
  min-height: 150px;
  padding: 22px;
  text-decoration: none;
}

.card strong { display: block; margin-bottom: 8px; }
.card span { color: var(--muted); font-size: 0.9rem; }
.meta { color: var(--muted); font-size: 0.88rem; }
.language { border-top: 1px solid var(--line); margin-top: 64px; padding-top: 32px; }

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 64px;
}

@media (max-width: 620px) {
  header { align-items: flex-start; flex-direction: column; gap: 14px; }
  nav { gap: 14px; }
  .cards { grid-template-columns: 1fr; }
  .hero { padding-block: 44px 28px; }
}