:root {
  color-scheme: light;
  --bg: #f6f1e8;
  --panel: rgba(255, 252, 247, 0.92);
  --line: rgba(59, 44, 31, 0.16);
  --text: #2a1f15;
  --muted: #5c4d40;
  --accent: #7b2f1a;
  --accent-strong: #5d1f10;
  --shadow: 0 20px 45px rgba(62, 43, 28, 0.12);
  font-family: "Avenir Next", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 10%, rgba(150, 84, 46, 0.18), transparent 28%),
    radial-gradient(circle at 88% 16%, rgba(110, 47, 27, 0.16), transparent 30%),
    linear-gradient(180deg, var(--bg) 0%, #fcfaf7 100%);
}

.landing-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0 44px;
}

.hero {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--accent);
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 3.3rem);
  line-height: 1.04;
}

.lede {
  margin: 18px 0 24px;
  max-width: 70ch;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.55;
}

.atlas-button {
  display: inline-block;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #fff8f4;
  text-decoration: none;
  font-weight: 700;
  padding: 12px 18px;
}

.atlas-button:hover {
  filter: brightness(1.06);
}

.content-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 22px;
}

.card h2 {
  margin-top: 0;
}

.card p,
.card li {
  color: var(--muted);
  line-height: 1.55;
}

.card ol {
  margin: 0;
  padding-left: 18px;
}

@media (max-width: 1000px) {
  .content-grid {
    grid-template-columns: 1fr;
  }
}