:root {
  --bg: #f6f8fb;
  --bg-elev: #fff;
  --fg: #0b1220;
  --fg-dim: #475569;
  --fg-muted: #64748b;
  --navy: #10253F;
  --accent: #3bb4f5;
  --accent-soft: rgba(59,180,245,0.14);
  --border: rgba(10,20,35,0.10);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
a:not(.brand):not(.btn) { color: var(--accent); border-bottom: 1px solid transparent; transition: border-color .2s; }
a:not(.brand):not(.btn):hover { border-bottom-color: var(--accent); }

.skip-link {
  position: absolute; left: -9999px; top: -9999px;
}
.skip-link:focus {
  left: 16px; top: 12px;
  background: var(--navy); color: #fff;
  padding: 10px 14px; border-radius: 8px;
  z-index: 100;
  font-weight: 600;
}

header.nav {
  background: var(--navy);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 32px;
}
.nav-logo { height: 48px; width: auto; transition: transform .35s; }
a.brand:hover .nav-logo { transform: scale(1.04); }
.nav-back {
  font-size: 14px; font-weight: 500;
  color: rgba(232,237,245,0.78);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 9px 18px;
  border-radius: 999px;
  transition: background .2s, color .2s, border-color .2s;
}
.nav-back:hover { background: #fff; color: var(--navy); border-color: #fff; }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 80px 32px 100px;
}
.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  display: inline-block;
}
h1 {
  font-size: clamp(34px, 4.4vw, 52px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 14px;
}
.effective {
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 48px;
}
h2 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 40px 0 14px;
}
p, li {
  font-size: 16px;
  color: var(--fg-dim);
  margin-bottom: 14px;
}
ul, ol { padding-left: 22px; margin-bottom: 14px; }
strong { color: var(--fg); }
.contact-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 28px;
  margin-top: 48px;
  font-size: 15px;
  color: var(--fg-dim);
}
.contact-card strong { display: block; margin-bottom: 4px; color: var(--fg); }

footer {
  background: var(--navy);
  color: rgba(232,237,245,0.55);
  padding: 36px 32px;
  text-align: center;
  font-size: 13px;
}
footer a { color: rgba(232,237,245,0.85); }

@media (max-width: 600px) {
  main { padding: 56px 22px 72px; }
  .nav-inner { padding: 12px 18px; }
  .nav-logo { height: 38px; }
}