:root {
  --ink: #101828;
  --ink-soft: #475467;
  --muted: #667085;
  --line: #e4e7ec;
  --bg: #ffffff;
  --soft: #f8fafc;
  --accent: #0e7490;
  --accent-dark: #155e75;
  --radius: 12px;
  --max: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; }

a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 10px 16px;
  z-index: 100;
}
.skip:focus { left: 12px; top: 12px; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: saturate(180%) blur(8px);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 650;
  letter-spacing: -0.01em;
  font-size: 18px;
}
.brand:hover { text-decoration: none; }

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 15px;
}
.nav a { color: var(--ink-soft); }
.nav a[aria-current="page"] { color: var(--ink); font-weight: 600; }

/* Hero */
.hero {
  padding: 88px 0 72px;
  background:
    radial-gradient(900px 380px at 82% -10%, rgba(14, 116, 144, 0.10), transparent 70%),
    linear-gradient(180deg, var(--soft), #fff 78%);
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 22px;
  max-width: 17ch;
  font-weight: 700;
}

.lead {
  font-size: clamp(18px, 2.1vw, 21px);
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0 0 34px;
}

.actions { display: flex; flex-wrap: wrap; gap: 14px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #000; text-decoration: none; }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: #cbd2dc; background: var(--soft); text-decoration: none; }

/* Sections */
section { padding: 72px 0; }
section + section { border-top: 1px solid var(--line); }

.section-head { margin-bottom: 40px; max-width: 62ch; }
h2 {
  font-size: clamp(26px, 3.2vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  font-weight: 680;
}
h3 { font-size: 19px; margin: 0 0 10px; letter-spacing: -0.01em; }
.section-head p, .muted { color: var(--muted); margin: 0; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  background: #fff;
}
.card p { margin: 0; color: var(--ink-soft); font-size: 16px; }
.card .num {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-dark);
  margin-bottom: 12px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.list { margin: 0; padding: 0; list-style: none; }
.list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
}
.list li:first-child { padding-top: 0; }
.list li:last-child { border-bottom: 0; padding-bottom: 0; }
.list strong { color: var(--ink); display: block; margin-bottom: 3px; font-weight: 620; }

.quote {
  border-left: 3px solid var(--accent);
  padding: 6px 0 6px 22px;
  color: var(--ink-soft);
  font-size: 19px;
  margin: 0;
}

/* CTA band */
.cta {
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
  padding: 44px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}
.cta h2 { color: #fff; margin: 0 0 8px; font-size: 26px; }
.cta p { margin: 0; color: #cbd5e1; }
.cta .btn-primary { background: #fff; color: var(--ink); }
.cta .btn-primary:hover { background: #e9edf2; }

/* Prose */
.prose { max-width: 72ch; }
.prose h2 { margin-top: 48px; }
.prose h2:first-child { margin-top: 0; }
.prose p { color: var(--ink-soft); }
.prose ul { color: var(--ink-soft); padding-left: 22px; }
.prose li { margin: 8px 0; }

.contact-email { font-size: 22px; margin: 0 0 8px; }
.contact-note { font-size: 15px; }
.mb-18 { margin-bottom: 18px; }

.page-head {
  padding: 64px 0 44px;
  border-bottom: 1px solid var(--line);
  background: var(--soft);
}
.page-head h1 { font-size: clamp(30px, 4vw, 44px); margin-bottom: 12px; }
.page-head p { margin: 0; color: var(--muted); max-width: 62ch; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 36px 0 48px;
  font-size: 14.5px;
  color: var(--muted);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-links { display: flex; gap: 22px; }
.footer-links a { color: var(--muted); }

/* 404 */
.center-page {
  min-height: 62vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 72px 24px;
}
.center-page h1 { max-width: none; font-size: clamp(64px, 12vw, 120px); margin: 0 0 8px; letter-spacing: -0.05em; color: var(--ink); }
.center-page p { color: var(--muted); margin: 0 0 28px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

@media (max-width: 860px) {
  .grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding: 64px 0 52px; }
  section { padding: 56px 0; }
  .cta { padding: 32px 24px; }
  .nav { gap: 18px; font-size: 14px; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .header-inner { min-height: 60px; }
  .nav a:not([aria-current="page"]) { display: none; }
  .nav a[aria-current="page"] { display: none; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}