:root {
  --navy: #003555;
  --navy-mid: #0F4C75;
  --secondary: #006496;
  --secondary-mid: #3282B8;
  --accent: #BBE1FA;
  --surface: #F7F9FC;
  --border: #E5E7EB;
  --text: #191C1F;
  --muted: #41474E;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: #ffffff;
  line-height: 1.7;
}

a { color: var(--secondary); }

.site-header {
  border-bottom: 1px solid var(--border);
  background: #ffffff;
}

.site-header .inner,
.site-footer .inner,
.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--navy);
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 1rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
}

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

main { padding: 56px 0 72px; }

.article {
  max-width: 748px;
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  background: rgba(187, 225, 250, 0.5);
  color: var(--secondary-mid);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 7px 15px;
  border-radius: 999px;
  margin-bottom: 20px;
}

h1 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  color: var(--navy);
  font-size: 2.4rem;
  line-height: 1.12;
  margin: 0 0 16px;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 36px;
}

h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  color: var(--navy);
  font-size: 1.55rem;
  line-height: 1.2;
  margin: 42px 0 14px;
}

p { margin: 0 0 18px; font-size: 1.075rem; }

ul, ol { margin: 0 0 18px; padding-left: 22px; }
li { margin-bottom: 8px; font-size: 1.075rem; }

.lead { font-size: 1.2rem; color: var(--muted); }

.cta {
  margin: 44px 0 8px;
  padding: 28px 30px;
  border-radius: 20px;
  background: var(--navy);
  color: #ffffff;
}

.cta h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  margin: 0 0 8px;
  color: #ffffff;
}

.cta p { color: var(--accent); margin: 0 0 18px; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--navy);
  font-weight: 600;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 10px;
}

.btn:hover { background: #a6d6f5; }

.post-list {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  gap: 22px;
}

.post-card {
  display: block;
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px 30px;
  background: #ffffff;
  transition: border-color 0.15s ease;
}

.post-card:hover { border-color: var(--secondary-mid); }

.post-card h2 { margin: 0 0 10px; font-size: 1.4rem; }
.post-card p { color: var(--muted); margin: 0; }

.site-footer {
  border-top: 1px solid var(--border);
  background: #ffffff;
  padding: 32px 0;
  margin-top: 40px;
}

.site-footer .inner {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

.site-footer p { margin: 0; color: var(--muted); font-size: 0.9rem; }

.site-footer .links { display: flex; gap: 20px; }
.site-footer .links a { color: var(--muted); font-size: 0.9rem; text-decoration: none; }
.site-footer .links a:hover { color: var(--navy); }

@media (max-width: 640px) {
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.35rem; }
  .nav { gap: 16px; }
  .nav a.hide-sm { display: none; }
}