:root {
  color-scheme: light dark;
  --bg: #f7f8fb;
  --text: #1c2130;
  --card: #ffffff;
  --accent: #4f46e5;
  --muted: #5b6172;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

.hero {
  max-width: 760px;
  margin: 0 auto;
  padding: 5rem 1.25rem 2rem;
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  font-weight: 600;
}

h1 {
  margin: 0.4rem 0 0.8rem;
  font-size: clamp(2rem, 5vw, 3rem);
}

.lead {
  margin: 0;
  max-width: 58ch;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 1.25rem;
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--card);
  border: 1px solid #d8dceb;
  border-radius: 14px;
  padding: 1.25rem;
}

.card h2 {
  margin-top: 0;
}

.links {
  margin: 0;
  padding-left: 1.2rem;
  line-height: 1.8;
}

.links li + li {
  margin-top: 0.35rem;
}

.links a {
  color: var(--accent);
  text-decoration: none;
}

.links a:hover {
  text-decoration: underline;
}

.footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
  color: var(--muted);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #10131a;
    --text: #f1f4ff;
    --card: #171c28;
    --accent: #9aa4ff;
    --muted: #b8bfd5;
  }

  .card {
    border-color: #2b3244;
  }
}