:root {
  color-scheme: light;
  --ink: #0b1e2d;
  --muted: #516574;
  --line: #d8e3e9;
  --surface: #f3f7f9;
  --ocean: #075985;
  --ocean-dark: #062f4a;
  --accent: #0e7490;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--ocean);
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid #38bdf8;
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  box-shadow: 0 8px 24px rgb(0 0 0 / 18%);
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgb(255 255 255 / 15%);
  background: rgb(6 47 74 / 94%);
  backdrop-filter: blur(16px);
}

.nav,
.shell {
  width: min(100% - 40px, 880px);
  margin-inline: auto;
}

.nav {
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand,
.nav-links a {
  color: var(--white);
  text-decoration: none;
}

.brand {
  font-weight: 600;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
}

.hero {
  padding: 72px 0 48px;
  background:
    radial-gradient(circle at 80% 0%, rgb(56 189 248 / 22%), transparent 34%),
    linear-gradient(155deg, var(--ocean-dark), #0b3f5f 64%, #0e7490);
  color: var(--white);
}

.eyebrow {
  margin: 0 0 8px;
  color: #7dd3fc;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.2;
  text-wrap: balance;
}

h1 {
  max-width: 14ch;
  margin: 0;
  font-size: clamp(42px, 7vw, 64px);
  letter-spacing: -0.035em;
}

.lede {
  max-width: 48ch;
  margin: 18px 0 0;
  color: rgb(255 255 255 / 82%);
  font-size: clamp(18px, 2.2vw, 22px);
}

.content {
  padding: 48px 0 72px;
}

.section {
  margin-top: 48px;
}

.section:first-child {
  margin-top: 0;
}

.section h2 {
  margin: 0 0 16px;
  font-size: clamp(27px, 4vw, 36px);
  letter-spacing: -0.025em;
}

.contact-panel,
.notice,
.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.contact-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  background: var(--line);
}

.contact-item {
  min-height: 122px;
  padding: 20px;
  background: var(--surface);
}

.contact-item strong {
  display: block;
  margin-bottom: 8px;
}

.contact-item p {
  margin: 0;
  color: var(--muted);
}

.notice {
  padding: 16px 18px;
  border-left: 5px solid var(--accent);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.card {
  padding: 18px 20px;
}

.card h3,
.card p {
  margin-top: 0;
}

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

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 44px;
  color: var(--muted);
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 10px;
}

.redirect {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  text-align: center;
}

.redirect .card {
  max-width: 520px;
}

@media (max-width: 680px) {
  .nav,
  .shell {
    width: min(100% - 36px, 880px);
  }

  .nav {
    min-height: 60px;
  }

  .brand,
  .nav-links a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }

  .nav-links a:not(:last-child) {
    display: none;
  }

  .hero {
    padding: 60px 0 44px;
  }

  .hero h1 {
    font-size: clamp(38px, 12vw, 46px);
    line-height: 1.08;
    font-weight: 600;
  }

  .lede {
    margin-top: 16px;
    font-size: 18px;
    line-height: 1.48;
  }

  .content {
    padding: 44px 0 64px;
  }

  .section {
    margin-top: 52px;
  }

  .section h2 {
    margin-bottom: 18px;
    font-size: 30px;
    line-height: 1.14;
  }

  .contact-panel,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .contact-item,
  .card {
    min-height: 0;
    padding: 20px 18px;
  }

  .contact-panel,
  .notice,
  .card {
    border-radius: 16px;
  }

  .card-grid {
    gap: 12px;
  }

  .card h3 {
    font-size: 20px;
    line-height: 1.25;
  }

  .footer-links a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}