:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --panel: #ffffff;
  --text: #172033;
  --muted: #5b6475;
  --line: #d9e1ee;
  --brand: #2563eb;
  --brand-soft: #e9f0ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font: 16px/1.65 "Segoe UI", system-ui, sans-serif;
  background: linear-gradient(180deg, #eef4ff 0%, var(--bg) 240px);
  color: var(--text);
}

.shell {
  width: min(920px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.hero,
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(23, 32, 51, 0.06);
}

.hero {
  padding: 28px 28px 20px;
  margin-bottom: 18px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1.15;
}

h2 {
  margin: 28px 0 10px;
  font-size: 22px;
  line-height: 1.25;
}

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

.lede {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

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

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.nav a,
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

.nav a.primary,
.button-link.primary {
  border-color: var(--brand);
  background: var(--brand);
  color: #fff;
}

.card {
  padding: 24px 28px;
}

ul {
  padding-left: 22px;
}

code {
  padding: 1px 5px;
  border-radius: 6px;
  background: #f1f5fb;
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.95em;
}

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

.grid {
  display: grid;
  gap: 16px;
}

.grid.two {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.mini-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}

.mini-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.footer {
  margin-top: 18px;
  color: var(--muted);
  font-size: 14px;
}