:root {
  color-scheme: light dark;
  --background: #f7f8fa;
  --foreground: #111318;
  --muted: #5b6270;
  --panel: #ffffff;
  --line: #d9dde4;
  --accent: #1769aa;
  --accent-strong: #0f4874;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #101216;
    --foreground: #f5f7fb;
    --muted: #b3bac6;
    --panel: #181b21;
    --line: #2a303a;
    --accent: #63b3f4;
    --accent-strong: #9ad0fa;
  }
}

* {
  box-sizing: border-box;
}

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

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

a:hover {
  color: var(--accent-strong);
}

.site-header,
.site-footer {
  width: 100%;
  border-color: var(--line);
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--background) 90%, transparent);
}

.nav,
main,
.site-footer {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  color: var(--foreground);
  font-weight: 800;
  text-decoration: none;
  font-size: 1.2rem;
}

.nav-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  color: var(--muted);
  font-weight: 600;
  text-decoration: none;
}

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

.hero {
  padding: 80px 0 48px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  line-height: 1.15;
}

h1 {
  max-width: 860px;
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 5rem);
}

h2 {
  margin: 36px 0 10px;
  font-size: 1.35rem;
}

.lede {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.2rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding-bottom: 72px;
}

.grid article,
.support-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
}

.grid h2,
.support-card h2 {
  margin-top: 0;
}

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

.content {
  max-width: 820px;
  padding-top: 64px;
  padding-bottom: 64px;
}

.content h1 {
  font-size: clamp(2.25rem, 6vw, 4rem);
}

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

.site-footer {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  padding-bottom: 40px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 760px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding-top: 18px;
    padding-bottom: 18px;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero {
    padding-top: 56px;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}