* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  color-scheme: light;
  --bg: #ffffff;
  --text: #101828;
  --muted: #475467;
  --accent: #0b4a6f;
  --accent-light: #e6f2f8;
  --border: #e4e7ec;
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, 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(1080px, 92%);
  margin: 0 auto;
}

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

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  text-transform: lowercase;
}

.brand-mark {
  font-size: 20px;
}

.nav {
  display: flex;
  gap: 16px;
  font-weight: 600;
  flex-wrap: wrap;
}

.hero {
  padding: 80px 0 70px;
  background: linear-gradient(180deg, #f7fafc 0%, #ffffff 100%);
}

.eyebrow {
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 48px);
  margin-bottom: 16px;
}

.lead {
  font-size: 18px;
  color: var(--muted);
  max-width: 680px;
  margin-bottom: 24px;
}

.cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  border: 1px solid var(--accent);
}

.button.ghost {
  background: transparent;
  color: var(--accent);
}

.section {
  padding: 60px 0;
}

.section h2 {
  font-size: 28px;
  margin-bottom: 16px;
}

.section p {
  color: var(--muted);
  max-width: 760px;
}

.section.muted {
  background: var(--accent-light);
}

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

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
}

.card h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0 40px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

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