:root {
  --cl-indigo: #1f3a8a;
  --cl-blue: #2f80ed;
  --cl-cyan: #22c1c3;
  --cl-navy: #16203a;
  --cl-grey: #f5f7fb;
  --cl-white: #ffffff;
  --cl-ink: #1c2433;
  --cl-muted: #646e82;
  --cl-radius: 12px;
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: #1c2433;
  background-color: #f5f7fb;
  line-height: 1.6;
}
h1, h2, h3, h4, .site-brand, .footer-brand, .section-title, .article-title, .hero-title, .feature-card-title {
  font-family: 'Poppins', system-ui, sans-serif;
  font-weight: 600;
  color: #1f3a8a;
}

/* header */
.site-header { background: #16203a; box-shadow: 0 2px 14px rgba(22,32,58,.25); }
.site-nav { padding-top: .6rem; padding-bottom: .6rem; }
.site-brand { color: #ffffff !important; font-size: 1.35rem; font-weight: 700; letter-spacing: .03em; }
.site-nav .nav-link { color: rgba(255,255,255,.9); font-weight: 500; }
.site-nav .nav-link:hover, .site-nav .nav-link:focus { color: #22c1c3; }
.site-nav .dropdown-menu { border: none; border-radius: var(--cl-radius); box-shadow: 0 8px 30px rgba(22,32,58,.2); max-height: 70vh; overflow-y: auto; }
.site-nav .dropdown-item:hover { background: #eef3fd; color: #2f80ed; }
.navbar-toggler { border-color: rgba(255,255,255,.4); }
.navbar-toggler-icon { filter: invert(1); }

/* hero */
.hero--home { position: relative; min-height: 62vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(120deg, rgba(31,58,138,.92), rgba(34,193,195,.45)); }
.hero-inner { position: relative; z-index: 2; color: #fff; }
.hero-copy { max-width: 720px; }
.hero-title { color: #ffffff; font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.08; margin-bottom: 1rem; }
.hero-sub { font-size: 1.15rem; opacity: .96; }
.eyebrow { color: #22c1c3; text-transform: uppercase; letter-spacing: .14em; font-size: .82rem; font-weight: 600; display: block; }

/* sections */
.section { padding: 4.5rem 0; }
.section--intro { background: #fff; }
.section-title { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 2rem; }

/* feature cards */
.feature-card { display: flex; align-items: center; justify-content: center; text-align: center; min-height: 96px; background: #fff; border: 1px solid #dde5f3; border-radius: var(--cl-radius); padding: 1.25rem; color: #1f3a8a; font-weight: 600; text-decoration: none; box-shadow: 0 4px 16px rgba(31,58,138,.06); transition: transform .2s, box-shadow .2s, border-color .2s; }
.feature-card:hover { transform: translateY(-3px); border-color: #2f80ed; color: #2f80ed; box-shadow: 0 8px 24px rgba(47,128,237,.16); }
.feature-card-full { background:#fff; border:1px solid #dde5f3; border-radius:var(--cl-radius); overflow:hidden; box-shadow:0 4px 16px rgba(31,58,138,.06); transition: transform .3s, box-shadow .3s; }
.feature-card-full:hover { transform: translateY(-4px); box-shadow:0 10px 28px rgba(47,128,237,.14); }
.feature-card-img { width:100%; height:200px; object-fit:cover; }
.feature-card-body { padding:1.25rem 1.5rem; }
.feature-card-title a { color:#1f3a8a; text-decoration:none; }
.feature-card-title a:hover { color:#2f80ed; }

/* prose */
.site-prose { max-width: 840px; }
.article-title { font-size: clamp(1.8rem, 3.5vw, 2.5rem); margin-bottom: 1.5rem; }
.site-prose img, .site-block--image img, .site-block--gallery img { max-width: 100%; height: auto; border-radius: 10px; }
.site-block--paragraph { margin-bottom: 1.1rem; }
.site-block--image { margin: 1.5rem 0; }
.article-summary { color: #646e82; border-left: 4px solid #22c1c3; padding-left: 1rem; }

/* content links scoped */
.site-prose a, .site-block--paragraph a, .article-body a, .category-desc a {
  color: #2f80ed; text-decoration: underline; text-decoration-color: #22c1c3;
}
.site-prose a:hover, .site-block--paragraph a:hover, .article-body a:hover { color: #1f3a8a; }

/* category card reuse */
.route-card { background:#fff; border:1px solid #dde5f3; border-radius:var(--cl-radius); overflow:hidden; box-shadow:0 4px 16px rgba(31,58,138,.06); }
.route-card-img { width:100%; height:200px; object-fit:cover; }
.route-card-body { padding:1.25rem 1.5rem; }
.route-card-title a { color:#1f3a8a; text-decoration:none; }
.route-card-link { color:#2f80ed; font-weight:600; text-decoration:none; }
.route-card--minimal { border:none; border-left:3px solid #22c1c3; border-radius:0; box-shadow:none; }

/* breadcrumbs */
.site-breadcrumbs { background: #eef3fd; padding: .6rem 0; }
.site-breadcrumbs .breadcrumb { margin: 0; }
.site-breadcrumbs a { color: #2f80ed; text-decoration: none; }

/* ToC */
.article-toc { background: #eef3fd; border-radius: var(--cl-radius); padding: 1rem 1.25rem; margin-bottom: 1.5rem; }
.article-toc a { color: #2f80ed; text-decoration: none; }

/* footer */
.site-footer { background: #16203a; color: rgba(255,255,255,.85); padding: 3.5rem 0 1.5rem; }
.footer-brand { color: #ffffff; font-size: 1.35rem; margin-bottom: .75rem; }
.footer-tagline { color: rgba(255,255,255,.72); }
.footer-col-title { color: #22c1c3; text-transform: uppercase; letter-spacing: .08em; font-size: .85rem; margin-bottom: 1rem; }
.footer-links { list-style: none; padding-left: 0; }
.footer-links li { margin-bottom: .5rem; }
.footer-links a { color: rgba(255,255,255,.82); text-decoration: none; }
.footer-links a:hover { color: #22c1c3; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.15); margin-top: 2.5rem; padding-top: 1.5rem; text-align: center; color: rgba(255,255,255,.65); }