:root {
  --ink: #16212e;
  --slate: #5a6a7a;
  --line: #e5e9ee;
  --accent: #1f4e79;
  --bg-soft: #f6f8fa;
  --white: #ffffff;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
}

.logo span { color: var(--accent); }

.site-nav a {
  color: var(--slate);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  margin-left: 28px;
}

.site-nav a:hover { color: var(--ink); }

/* Hero */
.hero {
  padding: 96px 0 88px;
  border-bottom: 1px solid var(--line);
}

.hero .kicker {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

.hero h1 {
  font-size: 42px;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.01em;
  max-width: 720px;
  margin-bottom: 22px;
}

.hero p {
  font-size: 18px;
  color: var(--slate);
  max-width: 640px;
  margin-bottom: 34px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  padding: 13px 30px;
  border-radius: 4px;
}

.btn:hover { background: #173c5d; }

/* Sections */
.section { padding: 80px 0; }

.section.alt { background: var(--bg-soft); }

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}

.section-head .kicker {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

.section-head p { color: var(--slate); font-size: 16px; }

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 30px 28px;
}

.card .card-num {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 14px;
}

.card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.card p { color: var(--slate); font-size: 15px; }

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: start;
}

.about-grid h2 {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.about-grid .lede { color: var(--slate); margin-bottom: 16px; }

.facts {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}

.facts div {
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
}

.facts div:last-child { border-bottom: none; }

.facts dt {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 3px;
}

.facts dd { font-size: 15px; font-weight: 500; }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.contact-item {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 26px 26px;
  background: var(--white);
}

.contact-item h3 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.contact-item p { font-size: 15px; color: var(--ink); }

.contact-item a { color: var(--ink); text-decoration: none; }

.contact-item a:hover { color: var(--accent); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  padding: 52px 0 40px;
  font-size: 14px;
  color: var(--slate);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}

.footer-grid h4 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 14px;
}

.footer-grid p { margin-bottom: 6px; }

.footer-grid a {
  color: var(--slate);
  text-decoration: none;
  display: block;
  margin-bottom: 8px;
}

.footer-grid a:hover { color: var(--ink); }

.footer-legal {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  font-size: 13px;
}

.footer-legal p { margin-bottom: 4px; }

/* Policy pages */
.policy {
  max-width: 760px;
  margin: 0 auto;
  padding: 72px 24px 96px;
}

.policy h1 {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.policy .updated {
  font-size: 14px;
  color: var(--slate);
  margin-bottom: 40px;
}

.policy h2 {
  font-size: 21px;
  font-weight: 700;
  margin: 40px 0 12px;
}

.policy h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 26px 0 10px;
}

.policy p { margin-bottom: 14px; color: #33404e; }

.policy ul { margin: 0 0 14px 22px; color: #33404e; }

.policy li { margin-bottom: 8px; }

.policy a { color: var(--accent); }

/* Responsive */
@media (max-width: 820px) {
  .hero { padding: 64px 0 60px; }
  .hero h1 { font-size: 32px; }
  .cards, .contact-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .site-nav a { margin-left: 16px; }
  .site-nav a.nav-hide { display: none; }
}
