:root {
  --navy: #0B1F3B;
  --midnight: #102A43;
  --steel: #2F5D8C;
  --muted: #4B7BBE;
  --ice: #E7F0FA;
  --border: #C7D7EA;
  --offwhite: #F7F8FA;
  --charcoal: #1B1F24;
  --slate: #5B6775;

  --container: 1120px;
  --radius: 14px;
  --header-h: 92px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--offwhite);
  color: var(--charcoal);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.55;
}

a { color: var(--steel); text-decoration: none; }
a:hover { color: var(--muted); text-decoration: underline; }

.container {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

h1, h2, h3 {
  font-family: Montserrat, Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 12px 0;
}
h1 { font-size: clamp(34px, 4vw, 56px); }
h2 { font-size: clamp(22px, 2.2vw, 34px); }
h3 { font-size: 18px; }

p { margin: 0 0 14px 0; color: var(--charcoal); }
.small, small { color: var(--slate); font-size: 12.5px; }

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}

.section {
  padding: 56px 0;
}
.section.alt {
  background: var(--off-white, #F7F8FA);
  border-top: 1px solid rgba(199,215,234,0.65);
  border-bottom: 1px solid rgba(199,215,234,0.65);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,0.10);
  font-family: Montserrat, Inter, system-ui;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease, background-color .12s ease, color .12s ease;
  text-decoration: none;
  user-select: none;
}
.btn:active { transform: translateY(1px); }
.btn.primary {
  background: var(--navy);
  color: #fff;
  border-color: rgba(255,255,255,0.18);
}
.btn.primary:hover { background: var(--midnight); text-decoration: none; }
.btn.secondary {
  background: #fff;
  color: var(--navy);
}
.btn.secondary:hover { background: rgba(231,240,250,0.65); text-decoration: none; }

.hr {
  height: 1px;
  background: var(--border);
  opacity: 0.75;
  margin: 22px 0;
}
