:root {
  --bg: #07111f;
  --bg2: #0b1829;
  --panel: #101f33;
  --panel2: #132941;
  --text: #eef4fb;
  --muted: #b7c4d4;
  --line: rgba(255,255,255,.12);
  --accent: #f59e0b;
  --accent2: #38bdf8;
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(circle at top left, #123251 0%, var(--bg) 42%, #04070d 100%);
  color: var(--text);
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }

/* ── NAV ── */
.nav {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(7,17,31,.85);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--max); margin: auto; padding: 14px 22px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { font-weight: 800; letter-spacing: .08em; font-size: 17px; flex-shrink: 0; }
.brand span { color: var(--accent); }
.nav-links { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 14px; font-size: 13.5px; color: var(--muted); }
.nav-links a:hover { color: var(--text); }
.nav-links .nav-cta {
  background: var(--accent); color: #111827; font-weight: 700;
  padding: 7px 16px; border-radius: 999px; font-size: 13px;
  margin-left: 6px;
}
.nav-links .nav-cta:hover { background: #e89e0b; }

/* ── LAYOUT HELPERS ── */
.hero, section { max-width: var(--max); margin: auto; padding: 82px 22px; }
.hero { padding-top: 105px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; align-items: center; }
.eyebrow { color: var(--accent2); font-weight: 700; text-transform: uppercase; letter-spacing: .14em; font-size: 13px; margin-bottom: 12px; }
h1 { font-size: clamp(40px, 6vw, 72px); line-height: .96; margin: 14px 0 20px; letter-spacing: -.04em; }
h2 { font-size: clamp(28px, 4vw, 46px); line-height: 1.04; margin: 0 0 18px; letter-spacing: -.03em; }
h3 { font-size: 21px; margin: 0 0 10px; }
h4 { font-size: 16px; font-weight: 700; color: var(--accent); letter-spacing: .06em; text-transform: uppercase; margin: 0 0 8px; }
p { color: var(--muted); font-size: 18px; margin: 0 0 18px; }
.hero p { font-size: 20px; }
.lead { font-size: 20px; max-width: 700px; }
.btns { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.btn { padding: 13px 20px; border-radius: 999px; border: 1px solid var(--line); font-weight: 700; font-size: 15px; }
.btn.primary { background: var(--accent); color: #111827; border-color: transparent; }
.btn.primary:hover { background: #e89e0b; }
.btn.secondary { background: rgba(255,255,255,.06); }
.btn.secondary:hover { background: rgba(255,255,255,.1); }

/* ── HERO CARD (metrics) ── */
.hero-card {
  background: linear-gradient(145deg, rgba(19,41,65,.9), rgba(16,31,51,.72));
  border: 1px solid var(--line); border-radius: 28px; padding: 28px;
  box-shadow: 0 30px 80px rgba(0,0,0,.35);
}
.metric { padding: 18px 0; border-bottom: 1px solid var(--line); }
.metric:last-child { border-bottom: 0; }
.metric strong { display: block; font-size: 26px; color: var(--text); margin-bottom: 4px; }
.metric span { font-size: 14px; color: var(--muted); }

/* ── GRID & CARD ── */
.grid { display: grid; gap: 22px; }
.grid.two   { grid-template-columns: repeat(2, 1fr); }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.grid.four  { grid-template-columns: repeat(4, 1fr); }
.card { background: rgba(16,31,51,.72); border: 1px solid var(--line); border-radius: 24px; padding: 28px; }
.card:is(a):hover, a.card:hover { border-color: rgba(245,158,11,.45); }
.card .card-num { font-family: monospace; font-size: 11px; color: var(--accent2); letter-spacing: .1em; margin-bottom: 10px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: start; }

/* ── VIDEO ── */
.video-box {
  border-radius: 28px; overflow: hidden; background: #020617;
  border: 1px solid var(--line); aspect-ratio: 16/9;
  display: grid; place-items: center; color: var(--muted); text-align: center; padding: 30px;
}
.video-box iframe { width: 100%; height: 100%; border: 0; }

/* ── BANNER ── */
.banner {
  background: linear-gradient(90deg, rgba(245,158,11,.18), rgba(56,189,248,.12));
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.banner section { padding-top: 56px; padding-bottom: 56px; }

/* ── COST CALLOUT ── */
.cost-wrap { max-width: var(--max); margin: auto; padding: 0 22px 72px; }
.cost-callout {
  background: linear-gradient(135deg, rgba(245,158,11,.1), rgba(56,189,248,.07));
  border: 1px solid rgba(245,158,11,.28); border-radius: 24px; padding: 48px 40px;
}
.cost-row { display: grid; grid-template-columns: 1fr auto 1fr; gap: 28px; align-items: center; text-align: center; }
.cost-num { display: block; font-size: clamp(38px, 5.5vw, 64px); font-weight: 900; letter-spacing: -.04em; line-height: 1; }
.cost-num.gold { color: var(--accent); }
.cost-num.dim  { color: var(--muted); opacity: .65; }
.cost-label { color: var(--muted); font-size: 14px; margin-top: 10px; line-height: 1.5; }
.cost-vs { font-size: 20px; font-weight: 800; color: var(--muted); }
.cost-note { text-align: center; max-width: 700px; margin: 28px auto 0; font-size: 16px; color: var(--muted); }

/* ── STAT BLOCKS (cost exchange page) ── */
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin: 36px 0; }
.stat-block { background: rgba(16,31,51,.72); border: 1px solid var(--line); border-radius: 20px; padding: 28px 24px; text-align: center; }
.stat-block .big-num { font-size: clamp(32px, 4vw, 52px); font-weight: 900; letter-spacing: -.04em; line-height: 1; color: var(--accent); }
.stat-block .big-num.dim { color: var(--muted); opacity: .7; }
.stat-block .stat-label { font-size: 13px; color: var(--muted); margin-top: 8px; line-height: 1.5; }
.ratio-callout {
  background: rgba(139,26,26,.15); border: 1px solid rgba(139,26,26,.35);
  border-radius: 16px; padding: 24px 28px; margin: 28px 0;
}
.ratio-callout strong { color: #e05555; }

/* ── BADGE ── */
.badge {
  display: inline-flex; align-items: center; gap: 7px;
  background: rgba(245,158,11,.12); border: 1px solid rgba(245,158,11,.3);
  border-radius: 999px; padding: 5px 14px;
  font-size: 13px; color: var(--accent); font-weight: 600; letter-spacing: .04em; margin-bottom: 18px;
}

/* ── CONTACT CTA ── */
.contact-cta {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, transparent, rgba(11,24,41,.6));
}
.contact-cta h2 { margin-bottom: 12px; }

/* ── LISTS ── */
ul { color: var(--muted); font-size: 17px; padding-left: 22px; }
li { margin-bottom: 8px; }

/* ── FOOTER ── */
.footer { border-top: 1px solid var(--line); color: var(--muted); padding: 32px 22px; }
.footer-inner { max-width: var(--max); margin: auto; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; font-size: 14px; }

/* ── RESPONSIVE ── */
@media (max-width: 960px) {
  .nav-links { gap: 3px 10px; font-size: 12.5px; }
  .nav-links .nav-cta { padding: 6px 12px; }
}
@media (max-width: 880px) {
  .hero, .split { grid-template-columns: 1fr; }
  .grid.two, .grid.three, .grid.four { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; }
  .nav-inner { align-items: flex-start; flex-direction: column; }
  .hero, section { padding: 56px 18px; }
  .cost-row { grid-template-columns: 1fr; gap: 24px; }
  .cost-vs { display: none; }
}
