:root {
  color-scheme: light;
  --background: #f7f9fc;
  --card: #ffffff;
  --ink: #1f2933;
  --muted: #5f6b76;
  --primary: #3f618c;
  --line: #d8e0e7;
}

* {
  box-sizing: border-box;
}

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

main {
  margin: 0 auto;
  max-width: 920px;
  padding: 48px 20px 72px;
}

.hero,
.section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  margin-bottom: 18px;
  padding: 28px;
}

.eyebrow {
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 300;
}

h2 {
  font-size: 26px;
}

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

a {
  color: var(--primary);
  font-weight: 700;
}

.grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.link-card {
  background: #eef4fb;
  border-radius: 14px;
  display: block;
  padding: 18px;
  text-decoration: none;
}

.link-card span {
  color: var(--ink);
  display: block;
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 6px;
}

.meta {
  color: var(--muted);
  font-size: 14px;
}

.callout {
  background: #eef4fb;
  border-left: 4px solid var(--primary);
  border-radius: 12px;
  padding: 14px 18px;
}

code {
  background: #eef4fb;
  border-radius: 6px;
  padding: 2px 6px;
}

footer {
  color: var(--muted);
  font-size: 13px;
  margin-top: 28px;
  text-align: center;
}