:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --text: #172033;
  --muted: #5c687d;
  --line: #dce3ee;
  --navy: #0b2f57;
  --blue: #1769c2;
  --blue-soft: #eaf3ff;
  --radius: 18px;
  --shadow: 0 12px 34px rgba(16, 42, 73, 0.08);
}

* { box-sizing: border-box; }

html { font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: inherit; }

.wrap {
  width: min(1120px, calc(100% - 36px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(220, 227, 238, 0.9);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  color: var(--navy);
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -0.02em;
}

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

.nav nav a {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 650;
  text-decoration: none;
}

.nav nav a:hover,
.nav nav a[aria-current="page"] {
  color: var(--blue);
}

.hero {
  padding-block: 92px 58px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

h1, h2, h3 {
  color: var(--navy);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 800px;
  margin: 0;
  font-size: clamp(2.7rem, 7vw, 5.6rem);
}

h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }

h3 { margin-bottom: 8px; }

.lead {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--navy);
  font-weight: 750;
  text-decoration: none;
}

.button.primary {
  border-color: var(--blue);
  background: var(--blue);
  color: white;
}

.section-heading { margin: 18px 0 22px; }

.section-heading h2 { margin: 0; }

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding-bottom: 34px;
}

.card,
.notice {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.card {
  min-height: 220px;
  padding: 24px;
}

.card h2,
.card h3 {
  margin-top: 34px;
}

.card p {
  color: var(--muted);
  margin-bottom: 0;
}

.number {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 850;
}

.notice {
  margin-top: 28px;
  padding: 22px 24px;
}

.notice strong { color: var(--navy); }
.notice p { margin-bottom: 0; color: var(--muted); }

.footer {
  padding-block: 60px 44px;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 16px;
  }
  .hero { padding-block: 58px 38px; }
  .grid { grid-template-columns: 1fr; }
  .card { min-height: 0; }
}