/* ============================================================
   Hosting Atlas – Shared Stylesheet
   Loaded by all pages via <link rel="stylesheet" href="/assets/styles.css">
   ============================================================ */

/* ── Reset & Variables ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --clr-brand:      #2563eb;
  --clr-brand-dark: #1d4ed8;
  --clr-accent:     #f59e0b;
  --clr-bg:         #f8fafc;
  --clr-surface:    #ffffff;
  --clr-border:     #e2e8f0;
  --clr-text:       #0f172a;
  --clr-muted:      #64748b;
  --clr-tag-bg:     #eff6ff;
  --clr-tag-text:   #1d4ed8;
  --radius:         12px;
  --radius-sm:      8px;
  --shadow-sm:      0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:      0 4px 16px rgba(0,0,0,.09);
  --shadow-lg:      0 12px 32px rgba(0,0,0,.12);
  --transition:     .22s ease;
  --max-w:          1160px;
  --header-h:       68px;
  --promo-h:         38px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }


/* ── Promo Bar ─────────────────────────────────────────────── */
.promo-bar {
  position: sticky; top: 0; z-index: 101;
  background: linear-gradient(90deg, #1e3a8a 0%, #2563eb 50%, #0ea5e9 100%);
  height: var(--promo-h); display: flex; align-items: center;
}
.promo-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: center; gap: 12px;
  font-size: .8rem; color: #e0f2fe; flex-wrap: wrap;
}
.promo-badge {
  background: #b45309; color: #fff;
  font-size: .65rem; font-weight: 800; letter-spacing: .6px; text-transform: uppercase;
  padding: 2px 8px; border-radius: 4px; flex-shrink: 0;
}
.promo-inner strong { color: #fff; }
.promo-code {
  display: inline-block; background: rgba(255,255,255,.15); border: 1px dashed rgba(255,255,255,.5);
  color: #fff; font-weight: 800; font-family: monospace; font-size: .85rem;
  padding: 1px 10px; border-radius: 4px; letter-spacing: .5px;
  transition: background .2s;
}
.promo-code:hover { background: rgba(255,255,255,.25); }
.promo-cta {
  background: var(--clr-accent); color: #fff;
  font-size: .78rem; font-weight: 700; padding: 4px 14px; border-radius: 6px;
  flex-shrink: 0; transition: filter .2s;
}
.promo-cta:hover { filter: brightness(1.1); }
@media(max-width:600px) {
  .promo-inner { gap: 8px; font-size: .75rem; }
  .promo-cta { display: none; }
}

/* ── Skip Link ─────────────────────────────────────────────── */
.skip-link {
  position: fixed; top: -56px; left: 16px;
  background: var(--clr-brand); color: #fff;
  padding: 8px 16px; border-radius: 0 0 8px 8px;
  font-weight: 600; z-index: 99999; transition: top .2s;
}
.skip-link:focus { top: 0; }


/* ── Site Header / Nav ─────────────────────────────────────── */
.site-header {
  position: sticky; top: var(--promo-h); z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--clr-border);
  height: var(--header-h);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  max-width: var(--max-w); margin: 0 auto;
  padding: 0 24px; height: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}

.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.2rem; font-weight: 800; letter-spacing: -.4px;
  color: var(--clr-text);
}
.nav-logo .logo-icon, .logo-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  display: block;
  flex-shrink: 0;
  object-fit: contain;
}

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-links a {
  padding: 8px 14px; border-radius: 8px;
  font-size: .92rem; font-weight: 500; color: var(--clr-muted);
  transition: background var(--transition), color var(--transition);
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  background: var(--clr-tag-bg); color: var(--clr-brand);
}

.nav-cta {
  background: var(--clr-brand); color: #fff !important;
  padding: 9px 20px !important; border-radius: 8px !important;
  font-weight: 600 !important; font-size: .88rem !important;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition) !important;
}
.nav-cta:hover {
  background: var(--clr-brand-dark) !important; color: #fff !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(37,99,235,.35) !important;
}
.nav-fixes {
  color: #dc2626 !important; font-weight: 700 !important;
  background: #fff5f5 !important; border-radius: 8px !important;
  padding: 6px 14px !important; font-size: .86rem !important;
  transition: background var(--transition) !important;
}
.nav-fixes:hover { background: #fee2e2 !important; color: #b91c1c !important; }

.nav-hamburger {
  display: none; background: none; border: none;
  cursor: pointer; padding: 8px; border-radius: 8px; color: var(--clr-text);
}

/* Mobile nav open state */
.nav-links.open {
  display: flex; flex-direction: column; align-items: flex-start;
  position: absolute; top: var(--header-h); left: 0; right: 0;
  background: #fff; border-bottom: 1px solid var(--clr-border);
  padding: 12px 24px 16px; gap: 4px; box-shadow: var(--shadow-md);
  z-index: 99;
}
.nav-links.open a { width: 100%; padding: 10px 14px; }


/* ── Breadcrumb ────────────────────────────────────────────── */
.breadcrumb-bar { background: var(--clr-surface); border-bottom: 1px solid var(--clr-border); }
.breadcrumb-inner { max-width: var(--max-w); margin: 0 auto; padding: 12px 24px; }
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  list-style: none; font-size: .82rem; color: var(--clr-muted);
}
.breadcrumb li+li::before { content: '/'; opacity: .5; }
.breadcrumb a { color: var(--clr-brand); font-weight: 500; }
.breadcrumb a:hover { text-decoration: underline; }


/* ── Section Label ─────────────────────────────────────────── */
.section-label { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
.section-label h2 { font-size: 1.45rem; font-weight: 800; letter-spacing: -.3px; }
.section-label .pill {
  background: var(--clr-tag-bg); color: var(--clr-brand);
  padding: 3px 12px; border-radius: 999px; font-size: .78rem; font-weight: 700;
}


/* ── Article Hero (blog pages) ─────────────────────────────── */
.article-hero {
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 60%, #3b82f6 100%);
  color: #fff; padding: 52px 24px 56px;
}
.article-hero-inner { max-width: var(--max-w); margin: 0 auto; }
.article-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,.18); color: #fff;
  border: 1px solid rgba(255,255,255,.3); border-radius: 999px;
  padding: 4px 14px; font-size: .75rem; font-weight: 700;
  letter-spacing: .4px; text-transform: uppercase; margin-bottom: 18px;
}
.article-hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.5rem); font-weight: 800;
  line-height: 1.25; letter-spacing: -.5px; margin-bottom: 18px; max-width: 780px;
}
.article-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; font-size: .85rem; opacity: .85; }
.article-meta .avatar-sm {
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(255,255,255,.25); display: grid; place-items: center;
  font-size: .75rem; font-weight: 800; flex-shrink: 0;
}
.article-meta-info { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.article-meta-info span { display: flex; align-items: center; gap: 5px; }
.meta-sep { opacity: .4; }


/* ── Article Layout ────────────────────────────────────────── */
.article-layout {
  max-width: var(--max-w); margin: 0 auto;
  padding: 48px 24px 64px;
  display: grid; grid-template-columns: minmax(0,1fr) 280px;
  gap: 48px; align-items: start;
}

.article-content { min-width: 0; }
.article-content h2 {
  font-size: 1.45rem; font-weight: 800; letter-spacing: -.3px;
  margin: 2rem 0 .75rem; padding-top: .5rem;
  border-top: 2px solid var(--clr-border);
}
.article-content h3 { font-size: 1.1rem; font-weight: 700; margin: 1.5rem 0 .5rem; }
.article-content p { margin-bottom: 1.1rem; line-height: 1.8; color: #1e293b; }
.article-content ul, .article-content ol { margin: 0 0 1.1rem 1.4rem; line-height: 1.8; color: #1e293b; }
.article-content li { margin-bottom: .35rem; }
.article-content strong { font-weight: 700; color: var(--clr-text); }


/* ── CTA Box ───────────────────────────────────────────────── */
.cta-box {
  background: linear-gradient(135deg, #1e3a8a, #2563eb);
  color: #fff; border-radius: var(--radius); padding: 32px; margin: 2.5rem 0;
}
.cta-box h3 { font-size: 1.2rem; font-weight: 800; margin-bottom: 8px; color: #fff; }
.cta-box p { font-size: .9rem; opacity: .85; margin-bottom: 20px; line-height: 1.7; color: #fff; }
.cta-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: #b45309; color: #fff;
  padding: 12px 24px; border-radius: 8px;
  font-weight: 700; font-size: .95rem;
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}
.cta-btn:hover { filter: brightness(1.08); transform: translateY(-2px); box-shadow: 0 4px 20px rgba(0,0,0,.2); }
.cta-disclaimer { font-size: .72rem; opacity: .6; margin-top: 12px; color: #fff; }


/* ── Author Box ────────────────────────────────────────────── */
.author-box {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  border-radius: var(--radius); padding: 24px; margin-top: 2.5rem;
}
.author-box .avatar {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-brand), #0ea5e9);
  display: grid; place-items: center;
  font-size: 1rem; font-weight: 800; color: #fff; flex-shrink: 0;
}
.author-box-info h4 { font-size: .95rem; font-weight: 700; margin-bottom: 2px; }
.author-box-info .role {
  font-size: .75rem; color: var(--clr-brand); font-weight: 600;
  text-transform: uppercase; letter-spacing: .3px; margin-bottom: 8px;
}
.author-box-info p { font-size: .85rem; color: var(--clr-muted); line-height: 1.65; }


/* ── TOC Sidebar ───────────────────────────────────────────── */
.toc-sidebar { position: sticky; top: calc(var(--header-h) + 24px); }
.toc-box {
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-sm);
}
.toc-box h3 {
  font-size: .8rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: .6px; color: var(--clr-muted); margin-bottom: 12px;
}
.toc-list { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.toc-list a {
  font-size: .83rem; color: var(--clr-muted); padding: 4px 8px;
  border-radius: 6px; display: block; line-height: 1.4; transition: all var(--transition);
}
.toc-list a:hover { background: var(--clr-tag-bg); color: var(--clr-brand); }
.toc-list a.active { background: var(--clr-tag-bg); color: var(--clr-brand); font-weight: 600; }


/* ── Related Articles ──────────────────────────────────────── */
.related-section { margin-top: 3rem; padding-top: 2rem; border-top: 2px solid var(--clr-border); }
.related-section h3 { font-size: 1.1rem; font-weight: 800; margin-bottom: 1rem; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.related-card {
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm); padding: 16px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.related-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.related-card .tag {
  display: inline-block; background: var(--clr-tag-bg); color: var(--clr-brand);
  border-radius: 999px; padding: 2px 10px; font-size: .72rem; font-weight: 700; margin-bottom: 8px;
}
.related-card h4 { font-size: .88rem; font-weight: 700; line-height: 1.4; color: var(--clr-text); }
.related-card h4 a { color: inherit; }
.related-card h4 a:hover { color: var(--clr-brand); }


/* ── Comparison Table ──────────────────────────────────────── */
.comparison-table {
  width: 100%; border-collapse: collapse;
  margin: 1.5rem 0; font-size: .85rem; overflow-x: auto; display: block;
}
.comparison-table th {
  background: var(--clr-brand); color: #fff;
  padding: 10px 14px; text-align: left; font-weight: 700; white-space: nowrap;
}
.comparison-table td { padding: 10px 14px; border-bottom: 1px solid var(--clr-border); vertical-align: middle; }
.comparison-table tr:nth-child(even) td { background: #f1f5f9; }
.comparison-table tr:hover td { background: var(--clr-tag-bg); }
.badge-yes { color: #16a34a; font-weight: 700; }
.badge-no  { color: #dc2626; font-weight: 700; }
.badge-partial { color: #d97706; font-weight: 700; }


/* ── Info Box / Country Card ───────────────────────────────── */
.info-box {
  background: #f0f9ff; border: 1px solid #bae6fd; border-radius: var(--radius-sm);
  padding: 16px 20px; margin: 1.5rem 0; font-size: .88rem; color: #0c4a6e; line-height: 1.7;
}
.info-box strong { font-weight: 700; }

.country-card {
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  border-radius: var(--radius); padding: 20px; margin: 1.2rem 0;
  border-left: 4px solid var(--clr-brand);
}
.country-card h3 { margin-top: 0; border-top: none; font-size: 1rem; padding-top: 0; margin-bottom: 8px; }


/* ── Page Hero (listing pages) ─────────────────────────────── */
.page-hero {
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 55%, #0ea5e9 100%);
  color: #fff; padding: 72px 24px 64px;
  text-align: center; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-hero-inner { max-width: 720px; margin: 0 auto; position: relative; }
.page-hero .eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.25);
  border-radius: 999px; padding: 5px 16px;
  font-size: .8rem; font-weight: 600; letter-spacing: .6px;
  text-transform: uppercase; margin-bottom: 20px; color: #e0f2fe;
}
.page-hero h1 {
  font-size: clamp(1.9rem, 4.5vw, 3rem); font-weight: 800;
  line-height: 1.15; letter-spacing: -.5px; margin-bottom: 16px;
}
.page-hero p { font-size: 1.05rem; opacity: .88; max-width: 560px; margin: 0 auto; }


/* ── Filter Bar (listing pages) ────────────────────────────── */
.filter-bar { background: var(--clr-surface); border-bottom: 1px solid var(--clr-border); padding: 16px 24px; }
.filter-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.filter-label {
  font-size: .78rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .5px; color: var(--clr-muted); white-space: nowrap;
}
.filter-btn {
  display: inline-flex; align-items: center; padding: 7px 16px;
  border-radius: 999px; font-size: .82rem; font-weight: 600;
  border: 1px solid var(--clr-border); background: var(--clr-bg);
  color: var(--clr-muted); cursor: pointer; transition: all var(--transition);
  white-space: nowrap; font-family: inherit;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--clr-tag-bg); color: var(--clr-brand); border-color: var(--clr-brand);
}

/* Alias for guides page category bar */
.cat-bar { background: var(--clr-surface); border-bottom: 1px solid var(--clr-border); padding: 16px 24px; }
.cat-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.cat-label {
  font-size: .78rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .5px; color: var(--clr-muted); white-space: nowrap;
}
.cat-btn {
  display: inline-flex; align-items: center; padding: 7px 16px;
  border-radius: 999px; font-size: .82rem; font-weight: 600;
  border: 1px solid var(--clr-border); background: var(--clr-bg);
  color: var(--clr-muted); cursor: pointer; transition: all var(--transition);
  white-space: nowrap; font-family: inherit;
}
.cat-btn:hover, .cat-btn.active {
  background: var(--clr-tag-bg); color: var(--clr-brand); border-color: var(--clr-brand);
}


/* ── Tag ───────────────────────────────────────────────────── */
.tag {
  display: inline-block; background: var(--clr-tag-bg); color: var(--clr-tag-text);
  border-radius: 999px; padding: 4px 14px;
  font-size: .74rem; font-weight: 700; letter-spacing: .4px; text-transform: uppercase;
}


/* ── Footer ────────────────────────────────────────────────── */
.site-footer { background: #0f172a; color: #94a3b8; }

.footer-col-heading {
  font-size: .8rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .6px; color: #e2e8f0; margin-bottom: 16px;
}

.footer-top {
  max-width: var(--max-w); margin: 0 auto;
  padding: 64px 24px 48px;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
}

.footer-brand .logo-wrap { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .logo-icon {
  width: 36px; height: 36px; border-radius: 10px;
  display: block;
  object-fit: contain;
}
.footer-brand .logo-text { font-size: 1.1rem; font-weight: 800; color: #f1f5f9; }
.footer-brand p { font-size: .88rem; line-height: 1.75; max-width: 280px; }

.footer-social { display: flex; gap: 10px; margin-top: 24px; }
.social-btn {
  width: 36px; height: 36px; background: rgba(255,255,255,.07);
  border-radius: 8px; display: grid; place-items: center;
  font-size: .85rem; color: #94a3b8;
  transition: background var(--transition), color var(--transition);
}
.social-btn:hover { background: var(--clr-brand); color: #fff; }

.footer-col h4,
.footer-col-heading {
  font-size: .8rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .6px; color: #e2e8f0; margin-bottom: 16px;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: .88rem; color: #94a3b8; transition: color var(--transition); }
.footer-links a:hover { color: #e2e8f0; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); }
.footer-bottom-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 20px 24px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px; font-size: .8rem;
}
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { color: #94a3b8; }
.footer-bottom-links a:hover { color: #e2e8f0; }


/* ── Utility ───────────────────────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}


/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .toc-sidebar { position: static; }
}

@media (max-width: 640px) {
  /* Nav */
  .nav-inner { padding: 0 16px; }
  .nav-links.open { padding: 12px 16px 20px; }
  .nav-links.open a { padding: 12px 14px; font-size: .95rem; }

  /* Breadcrumb */
  .breadcrumb-inner { padding: 10px 16px; }
  .breadcrumb { font-size: .78rem; gap: 6px; }

  /* Page hero */
  .page-hero { padding: 48px 16px 44px; }
  .page-hero h1 { font-size: clamp(1.6rem, 6vw, 2.2rem); }
  .page-hero p { font-size: .95rem; }
  .page-hero .eyebrow { font-size: .72rem; padding: 4px 12px; }

  /* Article hero */
  .article-hero { padding: 32px 16px 36px; }
  .article-hero h1 { font-size: clamp(1.4rem, 5.5vw, 2rem); }
  .article-meta { gap: 10px; font-size: .8rem; }

  /* Article layout */
  .article-layout { padding: 28px 16px 48px; }
  .article-content h2 { font-size: 1.2rem; }

  /* CTA box */
  .cta-box { padding: 24px 20px; }
  .cta-btn { padding: 11px 20px; font-size: .9rem; }

  /* Author box */
  .author-box { flex-direction: column; gap: 12px; }

  /* Related articles */
  .related-grid { grid-template-columns: 1fr; }

  /* Filter / category bars – scroll horizontally */
  .filter-inner, .cat-inner { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 6px; scrollbar-width: none; }
  .filter-inner::-webkit-scrollbar, .cat-inner::-webkit-scrollbar { display: none; }

  /* Comparison tables */
  .comparison-table { font-size: .78rem; }

  /* Footer bottom */
  .footer-bottom-inner { flex-direction: column; align-items: flex-start; gap: 16px; }
  .footer-bottom-links { flex-wrap: wrap; gap: 14px; }

  /* Footer top */
  .footer-top { padding: 40px 16px 32px; gap: 28px; }
}

@media (max-width: 480px) {
  .article-hero { padding: 28px 16px 32px; }
  .article-layout { padding: 24px 16px 44px; }
  .page-hero { padding: 40px 16px 36px; }
  .breadcrumb { font-size: .74rem; }
  .section-label h2 { font-size: 1.2rem; }
  .cta-box { padding: 20px 16px; }
  .author-box { padding: 18px; }
  .toc-box { padding: 16px; }
  .related-section { margin-top: 2rem; }
  .promo-inner { gap: 6px; font-size: .72rem; }
}