:root {
  color-scheme: light;
  --bg: #fafafa;
  --text: #171717;
  --muted: #5f6368;
  --line: #dedbd5;
  --panel: #ffffff;
  --accent: #b42318;
  --accent-dark: #7f1d1d;
  --warm: #f4efe6;
}

* {
  box-sizing: border-box;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-size: 22px;
  font-weight: 750;
}

.nav-links {
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav-links a {
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 15px;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  background: var(--warm);
  color: var(--accent-dark);
}

.hero,
.page-head {
  padding: 72px 0 44px;
}

.hero {
  max-width: 900px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 980px;
  font-size: clamp(38px, 6vw, 76px);
  line-height: 1.05;
  letter-spacing: 0;
}

.page-head h1 {
  font-size: clamp(34px, 5vw, 58px);
}

.lead {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 19px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  font-weight: 650;
}

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

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 28px 0 80px;
}

.grid article {
  min-height: 180px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

h2 {
  margin: 34px 0 12px;
  font-size: 24px;
  line-height: 1.25;
}

h3 {
  margin: 24px 0 8px;
  font-size: 18px;
}

.grid h2 {
  margin-top: 0;
}

p,
li {
  color: var(--muted);
  font-size: 17px;
}

.content {
  max-width: 820px;
  padding: 0 0 88px;
}

.content ul {
  padding-left: 22px;
}

hr {
  margin: 40px 0 0;
  border: 0;
  border-top: 1px solid var(--line);
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 28px, 1120px);
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 16px 0;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .hero,
  .page-head {
    padding: 48px 0 32px;
  }

  .lead {
    font-size: 17px;
  }

  .grid {
    grid-template-columns: 1fr;
    padding-bottom: 56px;
  }
}