:root {
  color-scheme: light dark;
  --bg: #f7f7f5;
  --fg: #111111;
  --muted: #5c5c58;
  --card: rgba(255,255,255,0.72);
  --border: rgba(17,17,17,0.12);
  --accent: #111111;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --fg: #f4f5f7;
    --muted: #c5c8d0;
    --card: rgba(255,255,255,0.05);
    --border: rgba(255,255,255,0.1);
    --accent: #f4f5f7;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: linear-gradient(180deg, var(--bg), color-mix(in srgb, var(--bg) 86%, white));
  color: var(--fg);
  font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: inherit; }

.shell {
  max-width: 1040px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

.hero {
  padding: 64px 0 48px;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 14px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-size: clamp(40px, 8vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

h2 {
  margin-top: 0;
  font-size: 22px;
  line-height: 1.2;
}

.lead {
  max-width: 720px;
  margin: 22px 0 0;
  font-size: 18px;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-block;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  text-decoration: none;
  background: transparent;
}

.button.primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--card);
  backdrop-filter: blur(12px);
}

.longform {
  margin-top: 16px;
}

ul {
  margin: 0;
  padding-left: 20px;
}

@media (max-width: 760px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 40px;
  }
}