:root {
  --bg: #ffffff;
  --bg-alt: #f6f7f9;
  --text: #1d1d1f;
  --text-muted: #6e6e73;
  --accent: #0066cc;
  --border: #e5e5e7;
  --max-width: 880px;
}

* {
  box-sizing: border-box;
}

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

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

a:hover {
  text-decoration: underline;
}

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

.nav-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
}

.logo {
  font-weight: 600;
  font-size: 18px;
  color: var(--text);
  letter-spacing: -0.02em;
}

.logo:hover {
  text-decoration: none;
}

nav.main-nav a {
  margin-left: 28px;
  color: var(--text);
  font-size: 15px;
}

nav.main-nav a:hover {
  color: var(--accent);
  text-decoration: none;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.hero {
  padding: 40px 0 20px;
  text-align: center;
}

.hero h1 {
  font-size: 40px;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}

.hero p.lead {
  font-size: 19px;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto;
}

section {
  margin-top: 56px;
}

section h2 {
  font-size: 26px;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

section h3 {
  font-size: 18px;
  margin: 28px 0 8px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}

.card h3 {
  margin-top: 0;
}

.card p {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 0;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

.info-table td {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 16px;
}

.info-table td:first-child {
  color: var(--text-muted);
  width: 160px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 12px 24px;
  border-radius: 980px;
  font-size: 16px;
  margin-top: 20px;
}

.btn:hover {
  background: #0051a3;
  text-decoration: none;
}

footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

footer.site-footer p {
  margin: 4px 0;
}

footer.site-footer a {
  color: var(--text-muted);
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: 30px;
  }
  nav.main-nav a {
    margin-left: 16px;
    font-size: 14px;
  }
}