:root {
  color-scheme: light;
  --ink: #162025;
  --muted: #5c6a70;
  --paper: #f6f8f8;
  --card: #ffffff;
  --line: #dce4e5;
  --brand: #145d63;
  --brand-dark: #0a383d;
  --accent: #d7eeed;
  --warm: #ef784d;
  --max: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 88% 6%, rgba(73, 169, 170, .14), transparent 28rem),
    var(--paper);
  color: var(--ink);
  font: 16px/1.7 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: var(--brand); }
a:hover { color: var(--brand-dark); }

.shell {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.site-header {
  padding: 24px 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -.02em;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 12px;
  background: var(--brand-dark);
  color: white;
  font-size: 14px;
  letter-spacing: .06em;
  box-shadow: 0 8px 26px rgba(10, 56, 61, .18);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

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

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
  gap: 56px;
  align-items: center;
  min-height: 560px;
  padding: 64px 0 92px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

h1, h2, h3 {
  margin-top: 0;
  line-height: 1.15;
  letter-spacing: -.035em;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(44px, 7vw, 80px);
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 48px);
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.lead {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(18px, 2.4vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 11px 18px;
  border: 1px solid var(--brand-dark);
  border-radius: 10px;
  background: var(--brand-dark);
  color: white;
  text-decoration: none;
  font-weight: 750;
}

.button.secondary {
  background: transparent;
  color: var(--brand-dark);
}

.signal-card {
  position: relative;
  overflow: hidden;
  padding: 28px;
  border: 1px solid rgba(20, 93, 99, .18);
  border-radius: 24px;
  background: rgba(255, 255, 255, .84);
  box-shadow: 0 24px 80px rgba(15, 48, 52, .12);
  backdrop-filter: blur(12px);
}

.signal-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: linear-gradient(90deg, var(--brand), #68bdb9, var(--warm));
  content: "";
}

.status {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.status:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.status-dot {
  width: 10px;
  height: 10px;
  margin-top: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 5px var(--accent);
}

.status strong, .status span { display: block; }
.status span { color: var(--muted); font-size: 14px; }

.section {
  padding: 92px 0;
}

.section.dark {
  background: var(--brand-dark);
  color: white;
}

.section.dark .section-copy,
.section.dark .card p { color: rgba(255,255,255,.72); }

.section-head {
  display: grid;
  grid-template-columns: minmax(0, .7fr) minmax(300px, 1fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 40px;
}

.section-copy {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
}

.dark .card {
  border-color: rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
}

.number {
  display: grid;
  width: 34px;
  height: 34px;
  margin-bottom: 40px;
  place-items: center;
  border-radius: 9px;
  background: var(--accent);
  color: var(--brand-dark);
  font-weight: 850;
}

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

.trust {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.trust .card { min-height: 190px; }

.callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 36px;
  border-left: 5px solid var(--warm);
  background: white;
}

.callout p { max-width: 700px; margin: 0; color: var(--muted); }

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

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 28px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links a { color: inherit; }

.policy {
  width: min(calc(100% - 40px), 860px);
  margin: 0 auto;
  padding: 70px 0 110px;
}

.policy-header {
  padding-bottom: 38px;
  border-bottom: 1px solid var(--line);
}

.policy-header h1 {
  margin-bottom: 16px;
  font-size: clamp(42px, 7vw, 70px);
}

.policy-meta { color: var(--muted); }

.policy article { padding-top: 34px; }

.policy article section {
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.policy article section:last-child { border-bottom: 0; }

.policy h2 {
  margin-bottom: 12px;
  font-size: 25px;
}

.policy p, .policy li { color: #435158; }
.policy ul { padding-left: 22px; }

@media (max-width: 780px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .nav { align-items: flex-start; }
  .nav-links { gap: 14px; font-size: 14px; }
  .hero { grid-template-columns: 1fr; gap: 36px; min-height: auto; padding: 50px 0 72px; }
  .section { padding: 68px 0; }
  .section-head, .grid, .trust { grid-template-columns: 1fr; }
  .section-head { gap: 10px; }
  .number { margin-bottom: 28px; }
  .callout, .footer-row { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 480px) {
  .brand-name { max-width: 145px; line-height: 1.2; }
  .nav-links a:first-child { display: none; }
  h1 { font-size: 42px; }
}
