:root {
  color-scheme: light;
  --bg: #fbfaf7;
  --panel: #ffffff;
  --ink: #1f2937;
  --muted: #667085;
  --line: #e4e0d8;
  --brand: #2f6fed;
  --brand-dark: #2056bd;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

a {
  color: var(--brand);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1040px;
  margin: 0 auto;
  padding: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
}

.brand img {
  width: 36px;
  height: 36px;
}

.nav {
  display: flex;
  gap: 18px;
  font-size: 14px;
}

.hero {
  display: grid;
  place-items: center;
  min-height: calc(100vh - 92px);
  padding: 40px 24px 72px;
  text-align: center;
}

.hero-content {
  width: min(100%, 680px);
}

.hero-logo {
  width: 132px;
  height: 132px;
  margin-bottom: 28px;
}

h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.02;
  letter-spacing: 0;
}

.lead {
  max-width: 620px;
  margin: 22px auto 32px;
  color: var(--muted);
  font-size: 19px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 8px;
  background: var(--brand);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(47, 111, 237, 0.22);
}

.button:hover {
  background: var(--brand-dark);
  text-decoration: none;
}

.content-page {
  max-width: 840px;
  margin: 0 auto;
  padding: 44px 24px 80px;
}

.document {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: clamp(24px, 5vw, 48px);
}

.document h1 {
  font-size: clamp(34px, 5vw, 52px);
}

.document h2 {
  margin-top: 34px;
  margin-bottom: 10px;
  font-size: 22px;
}

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

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

.updated {
  margin: 12px 0 28px;
  color: var(--muted);
  font-size: 14px;
}

.site-footer {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px 28px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    gap: 18px;
    flex-direction: column;
  }

  .nav {
    flex-wrap: wrap;
  }

  .hero {
    min-height: auto;
    padding-top: 56px;
  }
}