:root {
  --navy: #0F1B2E;
  --navy-light: #16263f;
  --teal: #00D9FF;
  --gold: #B8860B;
  --gold-light: #D4A93A;
  --ink: #0c1420;
  --paper: #0c1420;
  --white: #f5f7fa;
  --muted: #93a0b8;
  --border: #223350;
  --radius: 8px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--white);
  background: var(--navy);
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Header */
header.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(15,27,46,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; flex-wrap: wrap; gap: 12px; }
.brand { font-weight: 800; font-size: 1.3rem; letter-spacing: 0.04em; color: var(--white); }
.brand .accent { color: var(--teal); }
nav.main-nav ul { list-style: none; display: flex; gap: 22px; margin: 0; padding: 0; font-size: 0.92rem; flex-wrap: wrap; align-items: center; }
nav.main-nav a { color: var(--muted); border-bottom: 2px solid transparent; padding: 4px 0; transition: color 0.15s, border-color 0.15s; }
nav.main-nav a:hover, nav.main-nav a[aria-current="page"] { color: var(--white); border-color: var(--teal); }
nav.main-nav li:last-child a {
  color: var(--navy);
  background: var(--teal);
  border-bottom: none;
  padding: 7px 14px;
  border-radius: var(--radius);
  font-weight: 700;
}
nav.main-nav li:last-child a:hover,
nav.main-nav li:last-child a[aria-current="page"] {
  color: var(--navy);
  border-color: transparent;
  filter: brightness(1.08);
}
.badge-flag { font-size: 0.8rem; color: var(--gold-light); }

/* Hero */
.hero { padding: 88px 0 70px; text-align: left; }
.hero .flag { display: inline-block; margin-bottom: 18px; font-size: 0.85rem; color: var(--gold-light); border: 1px solid var(--gold); padding: 5px 14px; border-radius: 999px; }
.hero h1 { font-size: clamp(2.1rem, 4.2vw, 3.1rem); line-height: 1.15; margin: 0 0 20px; max-width: 820px; }
.hero h1 .glow { color: var(--teal); }
.hero p.lede { color: var(--muted); font-size: 1.1rem; max-width: 680px; margin-bottom: 32px; }
.btn { display: inline-block; padding: 13px 26px; border-radius: var(--radius); font-weight: 700; font-size: 0.95rem; border: 1px solid transparent; }
.btn-teal { background: var(--teal); color: var(--navy); }
.btn-teal:hover { background: #33e3ff; }
.btn-outline { border-color: var(--border); color: var(--white); }
.btn-outline:hover { border-color: var(--teal); color: var(--teal); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Sections */
main section { padding: 64px 0; }
section.alt { background: var(--navy-light); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
h2.section-title { font-size: 1.9rem; margin: 0 0 10px; color: var(--white); }
p.section-sub { color: var(--muted); max-width: 640px; margin: 0 0 36px; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 860px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.card { background: var(--navy-light); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.card h3 { margin: 0 0 10px; font-size: 1.12rem; color: var(--white); }
.card p { color: var(--muted); font-size: 0.94rem; margin: 0; }
.card .icon { color: var(--teal); font-size: 1.4rem; margin-bottom: 12px; display: block; }

.stat-row { display: flex; gap: 32px; flex-wrap: wrap; margin-top: 28px; }
.stat { min-width: 140px; }
.stat .num { font-size: 1.8rem; font-weight: 800; color: var(--teal); }
.stat .label { color: var(--muted); font-size: 0.85rem; }

.badge { display: inline-block; font-size: 0.72rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--gold-light); border: 1px solid var(--gold); padding: 3px 10px; border-radius: 999px; margin-right: 8px; margin-bottom: 8px; }

/* Forms */
form.stack { display: flex; flex-direction: column; gap: 14px; max-width: 560px; }
label { font-size: 0.85rem; font-weight: 600; color: var(--white); }
input, select, textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: var(--radius);
  font-family: var(--sans); font-size: 0.95rem; background: var(--navy-light); color: var(--white);
}
textarea { min-height: 120px; resize: vertical; }
.form-note { font-size: 0.78rem; color: var(--muted); }
.form-status { margin: 0; font-size: 0.9rem; color: var(--muted); min-height: 1.2em; }
.form-status.is-error { color: #ff8a8a; }
.form-status.is-ok { color: var(--teal); }
.success-msg { display: none; background: rgba(0,217,255,0.08); border: 1px solid var(--teal); color: var(--teal); padding: 16px; border-radius: var(--radius); font-weight: 600; margin-bottom: 16px; }

/* Footer */
footer.site-footer { padding: 52px 0 30px; font-size: 0.85rem; border-top: 1px solid var(--border); }
footer.site-footer a { color: var(--muted); }
footer.site-footer a:hover { color: var(--teal); }
footer.site-footer .foot-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-bottom: 28px; }
@media (max-width: 900px) { footer.site-footer .foot-grid { grid-template-columns: repeat(2, 1fr); } }
footer.site-footer h4 { color: var(--white); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; margin: 0 0 12px; }
footer.site-footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
footer.site-footer .legal { border-top: 1px solid var(--border); padding-top: 20px; color: var(--muted); }

/* Long-form articles */
.prose { max-width: 720px; color: var(--muted); }
.prose h2 { color: var(--white); font-size: 1.35rem; margin: 2rem 0 0.75rem; }
.prose p { margin: 0 0 1rem; }
.prose ul { margin: 0 0 1.25rem; padding-left: 1.2rem; }
.prose li { margin-bottom: 0.45rem; }
.prose a { color: var(--teal); text-decoration: underline; }
.prose h3 { color: var(--white); font-size: 1.08rem; margin: 1.5rem 0 0.6rem; }
.prose h4 { color: var(--white); font-size: 1rem; margin: 1.25rem 0 0.5rem; }
.prose table { width: 100%; border-collapse: collapse; margin: 0 0 1.5rem; font-size: 0.9rem; }
.prose th, .prose td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; vertical-align: top; }
.prose th { background: var(--navy); color: var(--white); }
.prose blockquote {
  border-left: 3px solid var(--teal);
  background: rgba(0,217,255,0.06);
  padding: 14px 18px;
  margin: 0 0 1.5rem;
  color: var(--white);
}
.prose .toc, .prose div.toc {
  background: var(--navy);
  border: 1px solid var(--border);
  padding: 18px 22px;
  margin: 0 0 1.75rem;
  border-radius: var(--radius);
}
.prose .disclaimer { font-size: 0.85rem; color: var(--gold-light); }
.kc-hero-kicker { display: inline-block; margin-bottom: 12px; font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gold-light); }
.kc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
@media (max-width: 800px) { .kc-grid { grid-template-columns: 1fr; } }
.prose { max-width: 820px; }
.article-meta { color: var(--gold-light); font-size: 0.85rem; margin-bottom: 1.5rem; }
.convert {
  margin-top: 2.4rem;
  padding: 22px 24px;
  border: 1px solid var(--teal);
  border-radius: var(--radius);
  background: rgba(0,217,255,0.07);
}
.convert h2 { color: var(--white); font-size: 1.2rem; margin: 0 0 8px; }
.convert p { color: var(--muted); margin: 0 0 14px; }
.geo-callout {
  border-left: 3px solid var(--gold);
  background: rgba(184,134,11,0.08);
  padding: 16px 18px;
  margin: 0 0 1.5rem;
}
.geo-callout h3 { color: var(--gold-light); margin: 0 0 8px; font-size: 0.95rem; letter-spacing: 0.04em; text-transform: uppercase; }
.geo-callout p { color: var(--muted); margin: 0; font-size: 0.94rem; }