:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --text: #14213d;
  --muted: #526071;
  --line: #dce2ea;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --soft: #eaf1ff;
}

* {
  box-sizing: border-box;
}

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

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}

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

.brand {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text);
}

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

nav a {
  color: var(--muted);
  font-weight: 600;
}

.hero {
  padding: 88px 0 64px;
  background: linear-gradient(180deg, var(--soft), var(--bg));
}

.eyebrow {
  color: var(--accent-dark);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

h1 {
  font-size: clamp(2.2rem, 6vw, 4.4rem);
  line-height: 1.05;
  max-width: 880px;
  margin: 12px 0 20px;
}

h2 {
  line-height: 1.2;
  margin-top: 0;
}

.lead {
  font-size: 1.2rem;
  max-width: 760px;
  color: var(--muted);
}

.button-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.button {
  display: inline-block;
  background: var(--accent);
  color: #ffffff;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 800;
}

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

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

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding: 48px 0;
}

.card,
.panel,
.document {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px;
  box-shadow: 0 10px 28px rgba(20, 33, 61, 0.06);
}

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

.panel {
  margin-bottom: 48px;
}

.document {
  margin-top: 40px;
  margin-bottom: 48px;
  max-width: 860px;
}

.document h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.document h2 {
  margin-top: 32px;
}

.small {
  font-size: 0.92rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
  padding: 24px 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 760px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 16px 0;
  }

  .hero {
    padding: 56px 0 40px;
  }

  .grid {
    grid-template-columns: 1fr;
    padding: 32px 0;
  }

  .card,
  .panel,
  .document {
    padding: 22px;
  }
}