:root {
  --blue-deep: #0b2e5c;
  --blue-primary: #4d8fd6;
  --blue-sky: #6cace4;
  --blue-pale: #eaf3fc;
  --gold: #f4b400;
  --gold-dark: #d99400;
  --white: #ffffff;
  --ink: #10233f;
  --ink-soft: #4a5b73;
  --border: #d9e6f5;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(11,46,92,0.10);
  --shadow-lg: 0 16px 40px rgba(11,46,92,0.16);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
}
h1, h2, h3, h4 { font-family: inherit; color: var(--blue-deep); line-height: 1.25; margin: 0 0 0.5em; }
h1 { font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 800; }
h3 { font-size: 1.25rem; font-weight: 700; }
p { margin: 0 0 1em; color: var(--ink-soft); }
a { color: var(--blue-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }
ul { padding-left: 1.25em; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(11,46,92,0.06);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 76px; }
.brand { display: flex; align-items: center; flex-shrink: 0; }
.brand-logo { height: 56px; width: auto; }
.site-nav { display: flex; gap: 22px; margin-left: auto; }
.nav-link { color: var(--blue-deep); font-weight: 600; font-size: 0.95rem; padding: 6px 2px; border-bottom: 2px solid transparent; }
.nav-link:hover, .nav-link.active { color: var(--blue-primary); border-color: var(--gold); text-decoration: none; }
.nav-toggle { display: none; background: none; border: none; font-size: 1.6rem; color: var(--blue-deep); cursor: pointer; }

/* Buttons */
.btn { display: inline-block; padding: 12px 22px; border-radius: 999px; font-weight: 700; font-size: 0.95rem; border: 2px solid transparent; cursor: pointer; transition: transform 0.15s ease, box-shadow 0.15s ease; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-gold { background: linear-gradient(135deg, var(--gold), var(--gold-dark)); color: var(--blue-deep); box-shadow: 0 6px 18px rgba(244,180,0,0.35); }
.btn-gold:hover { box-shadow: 0 10px 22px rgba(244,180,0,0.45); }
.btn-outline { background: transparent; border-color: var(--blue-primary); color: var(--blue-primary); }
.btn-outline:hover { background: var(--blue-pale); }
.btn-lg { padding: 16px 32px; font-size: 1.05rem; }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-block { display: block; text-align: center; width: 100%; }

.sun-divider { height: 6px; background: repeating-linear-gradient(90deg, var(--gold) 0 24px, var(--blue-sky) 24px 48px); }

/* Page hero (secondary pages) */
.page-hero { position: relative; background-size: cover; background-position: center; padding: 80px 0 56px; color: var(--white); }
.page-hero-sm { padding: 64px 0 44px; }
.page-hero-overlay { position: absolute; inset: 0; background: linear-gradient(160deg, rgba(11,46,92,0.90), rgba(20,70,130,0.72)); }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: var(--white); margin-bottom: 10px; }
.page-hero p { color: #dce9f9; max-width: 640px; }

/* Sections */
.section { padding: 64px 0; }
.section-alt { background: var(--blue-pale); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 40px; }
.section-head p { font-size: 1.05rem; }
.center-cta { text-align: center; margin-top: 32px; }

/* Matrix / partner table */
.table-scroll { overflow-x: auto; }
.matrix-table { width: 100%; border-collapse: collapse; background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); min-width: 560px; margin-bottom: 2em; }
.matrix-table th, .matrix-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.matrix-table thead th { background: var(--blue-deep); color: var(--white); font-weight: 700; }

/* Partner cards (neutral — identical treatment for every provider) */
.partner-list { display: flex; flex-direction: column; gap: 18px; margin: 24px 0; }
.partner-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 26px; box-shadow: var(--shadow); }
.partner-card h3 { margin-bottom: 6px; font-size: 1.1rem; }
.partner-meta { font-size: 0.85rem; color: var(--ink-soft); font-weight: 600; margin-bottom: 10px; }
.partner-footnote { font-size: 0.9rem; margin-top: 20px; }

/* Footer */
.site-footer { background: var(--blue-deep); color: #cfe0f5; margin-top: 40px; }
.footer-band { height: 6px; background: repeating-linear-gradient(90deg, var(--gold) 0 24px, var(--blue-sky) 24px 48px); }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1.6fr; gap: 32px; padding: 48px 24px 32px; }
.footer-logo { height: 44px; margin-bottom: 12px; filter: brightness(1.1); }
.footer-col h4 { color: var(--white); font-size: 0.95rem; margin-bottom: 14px; }
.footer-col a { display: block; color: #b9cfea; margin-bottom: 8px; font-size: 0.9rem; }
.footer-col a:hover { color: var(--gold); }
.footer-domain { font-size: 0.82rem; color: #8fabce; }
.footer-disclosure p { font-size: 0.82rem; color: #a9c2e0; }
.footer-legal { border-top: 1px solid rgba(255,255,255,0.12); padding: 22px 24px 32px; }
.footer-legal p { font-size: 0.78rem; color: #8fabce; margin-bottom: 8px; }
.footer-copy { font-size: 0.78rem; color: #7d99bc; }

/* Blog list */
.post-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.post-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.post-category { display: inline-block; background: var(--blue-pale); color: var(--blue-primary); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; padding: 4px 10px; border-radius: 6px; margin-bottom: 12px; }
.post-category-lg { background: rgba(255,255,255,0.15); color: var(--gold); }
.post-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.post-card h3 a { color: var(--blue-deep); }
.post-meta { font-size: 0.82rem; color: var(--ink-soft); display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }

/* Post / guide detail (also used for the homepage guide) */
.post-hero { background: linear-gradient(160deg, var(--blue-deep), #163f78); color: var(--white); padding: 56px 0 40px; }
.post-hero.hero-flag { background-image: linear-gradient(160deg, rgba(11,46,92,0.92), rgba(20,70,130,0.80)), url('/assets/img/flag-hero.jpg'); background-size: cover; background-position: center; }
.post-hero.hero-expanded { padding: 100px 0 76px; }
.post-hero h1 { color: var(--white); margin: 14px 0; max-width: 820px; }
.hero-subtitle { color: #dce9f9; font-size: 1.15rem; max-width: 680px; margin-bottom: 20px; }
.post-hero .post-meta { color: #b9cfea; }
.post-hero .stat-chips { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }
.post-hero .chip { background: rgba(255,255,255,0.14); border: 1px solid rgba(255,255,255,0.35); color: var(--white); padding: 8px 16px; border-radius: 999px; font-size: 0.85rem; font-weight: 600; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.btn-outline-light { background: transparent; border-color: rgba(255,255,255,0.55); color: var(--white); }
.btn-outline-light:hover { background: rgba(255,255,255,0.12); }

/* Decorative content images inside a guide's body */
.content-banner { position: relative; margin: 2em 0; border-radius: var(--radius); overflow: hidden; min-height: 220px; background-size: cover; background-position: center; display: flex; align-items: flex-end; }
.content-banner-overlay { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(11,46,92,0.88) 0%, rgba(11,46,92,0.15) 70%); }
.content-banner figcaption { position: relative; z-index: 1; color: var(--white); padding: 20px 24px; font-size: 0.95rem; font-weight: 600; }
.content-image-inline { margin: 2em 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.content-image-inline img { width: 100%; max-height: 320px; object-fit: cover; }
.content-image-inline figcaption { padding: 14px 20px; font-size: 0.85rem; color: var(--ink-soft); background: var(--blue-pale); }
.post-layout { display: grid; grid-template-columns: 260px 1fr; gap: 48px; align-items: start; }
.post-toc { position: sticky; top: 96px; background: var(--blue-pale); border-radius: var(--radius); padding: 22px; }
.post-toc h4 { font-size: 0.9rem; margin-bottom: 12px; }
.post-toc ul { list-style: none; padding: 0; margin: 0; }
.post-toc li { margin-bottom: 10px; font-size: 0.86rem; }
.post-toc a { color: var(--ink); font-weight: 600; }
.post-toc a:hover { color: var(--blue-primary); }

.post-content h2 { margin-top: 2em; font-size: 1.5rem; border-bottom: 2px solid var(--gold); padding-bottom: 8px; display: inline-block; }
.post-content h3 { margin-top: 1.5em; }
.post-content table { width: 100%; border-collapse: collapse; margin: 1.5em 0; font-size: 0.9rem; }
.post-content th, .post-content td { padding: 10px 14px; border: 1px solid var(--border); text-align: left; }
.post-content th { background: var(--blue-deep); color: var(--white); }
.post-content tr:nth-child(even) td { background: var(--blue-pale); }
.tip-box { background: #fffaf0; border-left: 4px solid var(--gold); padding: 16px 20px; border-radius: 8px; margin: 1.5em 0; }
.post-content details { background: var(--blue-pale); border-radius: 8px; padding: 14px 18px; margin-bottom: 12px; }
.post-content details summary { font-weight: 700; color: var(--blue-deep); cursor: pointer; }
.post-content details p { margin: 10px 0 0; }
.post-content a { font-weight: 600; }

.key-takeaways { background: var(--blue-pale); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 30px; margin: 1.5em 0; }
.key-takeaways ul { margin: 0; padding-left: 0; list-style: none; }
.key-takeaways li { padding-left: 26px; position: relative; margin-bottom: 12px; color: var(--ink); }
.key-takeaways li::before { content: "\2713"; position: absolute; left: 0; top: 0; color: var(--blue-primary); font-weight: 800; }

.sources-box { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 30px; margin-top: 40px; }
.sources-box h2 { margin-top: 0; border-bottom: none; }
.sources-box ul { padding-left: 1.1em; margin: 0; }
.sources-box li { margin-bottom: 10px; font-size: 0.92rem; word-break: break-word; }

.last-updated { font-size: 0.85rem; color: var(--ink-soft); font-style: italic; }

.related-posts { margin-top: 60px; border-top: 1px solid var(--border); padding-top: 40px; }
.related-posts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.related-post-card { display: block; background: var(--blue-pale); border-radius: var(--radius); padding: 20px; }
.related-post-card h4 { font-size: 1rem; margin: 8px 0 0; color: var(--blue-deep); }
.related-post-card:hover { background: #dcecfa; }

/* Legal pages */
.privacy-row { margin-bottom: 22px; }
.warning-box { background: #fff4e0; border: 1px solid #f4d99a; border-radius: 10px; padding: 18px 20px; font-size: 0.9rem; margin: 1.5em 0; }

/* Contact form */
.contact-form { display: flex; flex-direction: column; gap: 16px; max-width: 480px; }
.contact-form label { font-weight: 600; font-size: 0.9rem; color: var(--blue-deep); display: flex; flex-direction: column; gap: 6px; }
.contact-form input, .contact-form textarea { font-family: inherit; font-size: 0.95rem; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px; }
.contact-form button { align-self: flex-start; }

/* Responsive */
@media (max-width: 900px) {
  .post-layout { grid-template-columns: 1fr; }
  .post-toc { position: static; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  .site-nav { position: absolute; top: 76px; left: 0; right: 0; background: var(--white); flex-direction: column; padding: 12px 24px; border-bottom: 1px solid var(--border); display: none; }
  .site-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .footer-inner { grid-template-columns: 1fr; }
}