:root {
  color-scheme: light;
  --bg: #f7f9fc;
  --surface: #ffffff;
  --text: #172033;
  --muted: #5f6b7a;
  --line: #dce3ec;
  --brand: #1463ff;
  --brand-dark: #0d45b5;
}

* {
  box-sizing: border-box;
}

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

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 1080px;
  margin: 0 auto;
  padding: 22px 24px;
}

.brand {
  color: var(--text);
  font-size: 18px;
  font-weight: 800;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 18px;
}

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

.hero {
  max-width: 960px;
  margin: 52px auto 32px;
  padding: 0 24px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  max-width: 780px;
  margin: 0 0 18px;
  font-size: clamp(42px, 8vw, 78px);
  line-height: 1;
  letter-spacing: 0;
}

.lede {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 21px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 8px;
  background: var(--brand);
  color: #ffffff;
  font-weight: 800;
  text-decoration: none;
}

.button.secondary {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
}

.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  max-width: 1080px;
  margin: 56px auto;
  padding: 0 24px;
}

.features article,
.content,
.support-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.features article {
  padding: 24px;
}

h2 {
  margin: 28px 0 8px;
  font-size: 22px;
  line-height: 1.2;
}

.features h2,
.support-box h2 {
  margin-top: 0;
}

p {
  margin: 0 0 16px;
}

.content {
  max-width: 860px;
  margin: 48px auto;
  padding: 34px;
}

.content h1 {
  font-size: 44px;
}

.updated {
  color: var(--muted);
}

.support-box {
  margin: 28px 0;
  padding: 24px;
}

footer {
  max-width: 1080px;
  margin: 42px auto 0;
  padding: 24px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    margin-top: 28px;
  }

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

  .content {
    margin: 24px;
    padding: 24px;
  }
}