:root {
  --navy: #14304a;
  --navy-2: #1d456b;
  --gold: #c79b2c;
  --gold-dark: #ab8120;
  --bg: #f4f7fb;
  --card: #ffffff;
  --text: #1f2e3a;
  --muted: #637487;
  --line: #d9e2ec;
  --soft: #eaf0f7;
  --shadow: 0 18px 48px rgba(15, 33, 52, 0.08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}
a { color: var(--navy-2); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,.96); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 16px 0;
}
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 56px; height: 56px; border-radius: 18px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--navy), var(--navy-2));
  color: #fff; font-weight: 800; letter-spacing: 1px;
  box-shadow: var(--shadow);
}
.brand-text { display: flex; flex-direction: column; gap: 4px; }
.brand-text strong { color: var(--navy); font-size: 1.4rem; line-height: 1.1; }
.brand-text small { color: var(--muted); max-width: 540px; }
.site-nav { display: flex; flex-wrap: wrap; gap: 20px; }
.site-nav a {
  color: var(--text); font-weight: 700; padding: 8px 0; text-decoration: none;
  border-bottom: 2px solid transparent;
}
.site-nav a.active, .site-nav a:hover { color: var(--gold-dark); border-color: var(--gold); }
.hero { padding: 34px 0 24px; }
.hero-grid {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 0; align-items: stretch;
  background: var(--card); border: 1px solid var(--line); border-radius: 28px; overflow: hidden;
  box-shadow: var(--shadow);
}
.hero-copy { padding: 52px 42px; }
.dark-panel { background: linear-gradient(180deg, #173858 0%, #12304b 100%); color: #fff; }
.dark-panel p { color: rgba(255,255,255,.84); }
.eyebrow {
  display: inline-block; text-transform: uppercase; letter-spacing: 1.7px; font-size: .8rem;
  font-weight: 700; color: var(--gold);
}
.dark-panel .eyebrow { color: #f0cf7a; }
.hero h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); line-height: 1.04; margin: 16px 0 20px; }
.hero p { font-size: 1.1rem; max-width: 56ch; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; min-height: 420px; }
.hero-actions, .actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 26px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 14px; padding: 14px 22px; font-weight: 700; text-decoration: none; border: 1px solid transparent;
}
.btn:hover { text-decoration: none; }
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: var(--gold-dark); }
.btn-light { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.25); }
.btn-light:hover { background: rgba(255,255,255,.18); }
.btn-full { width: 100%; }
.section { padding: 28px 0 46px; }
.section-soft { background: linear-gradient(180deg, rgba(234,240,247,.35), rgba(234,240,247,.75)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.intro-strip { padding-top: 14px; }
.three-up { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.three-up > div, .note-card, .topic-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 24px; box-shadow: var(--shadow);
}
.content-grid, .article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 24px; align-items: start; }
.section-heading { margin-bottom: 20px; }
.section-heading h2, .page-hero h1 { margin: 0 0 8px; color: var(--navy); }
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.card, .box, .list-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 22px; overflow: hidden; box-shadow: var(--shadow);
}
.card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.card-body { padding: 20px; }
.card h3 { margin: 10px 0 10px; color: var(--navy); font-size: 1.25rem; line-height: 1.3; }
.pill {
  display: inline-block; padding: 6px 10px; border-radius: 999px; background: #eef5fb; color: var(--navy-2); font-size: .82rem; font-weight: 700;
}
.text-link { font-weight: 700; }
.sidebar { display: grid; gap: 20px; }
.box { padding: 22px; }
.box h3 { margin-top: 0; color: var(--navy); }
.emphasis { background: linear-gradient(160deg, #1a4166, #11304b); color: #fff; }
.emphasis h3 { color: #fff; }
.emphasis p { color: rgba(255,255,255,.85); }
.link-list { display: grid; gap: 12px; }
.link-list a { font-weight: 700; }
.sponsor-slot a {
  display: inline-flex; background: #fff8e7; color: var(--gold-dark); border: 1px dashed #d9b55d; padding: 10px 12px; border-radius: 12px;
}
.two-col { display: grid; grid-template-columns: 1.4fr .8fr; gap: 24px; align-items: start; }
.page-hero {
  padding: 48px 0 22px; background: linear-gradient(180deg, #edf3fa 0%, rgba(244,247,251,0) 100%);
}
.page-hero.slim p { max-width: 74ch; color: var(--muted); }
.stack { display: grid; gap: 22px; }
.list-card { display: grid; grid-template-columns: 260px 1fr; }
.list-card img { width: 100%; height: 100%; object-fit: cover; }
.list-card > div { padding: 24px; }
.list-card h2 { margin: 10px 0 10px; color: var(--navy); }
.topic-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.article-content, .narrow {
  background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 28px; box-shadow: var(--shadow);
}
.article-content .feature { border-radius: 18px; margin-bottom: 22px; width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.article-content h2 { margin-top: 28px; color: var(--navy); }
.article-content ul { padding-left: 22px; }
.contact-form { display: grid; gap: 16px; }
.contact-form label { display: grid; gap: 8px; font-weight: 700; color: var(--navy); }
.contact-form input, .contact-form textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 14px; padding: 14px 15px; font: inherit; background: #fff;
}
.site-footer {
  margin-top: 26px; background: #102a42; color: rgba(255,255,255,.84); padding: 42px 0 48px;
}
.site-footer h3, .site-footer h4 { color: #fff; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .8fr .8fr; gap: 24px; }
.site-footer a { color: #d7e6f4; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
@media (max-width: 980px) {
  .hero-grid, .content-grid, .article-layout, .two-col, .footer-grid, .three-up, .topic-grid, .cards { grid-template-columns: 1fr; }
  .list-card { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; align-items: flex-start; }
  .site-nav { gap: 14px; }
}
@media (max-width: 640px) {
  .container { width: min(100% - 24px, 1180px); }
  .hero-copy { padding: 28px 22px; }
  .hero h1 { font-size: 2.3rem; }
  .brand { align-items: flex-start; }
  .brand-text strong { font-size: 1.18rem; }
}