:root {
  --base: #08090b;
  --surface: #101216;
  --surface-2: #16191f;
  --ink: #f4f6f8;
  --ink-muted: #9aa3ad;
  --ink-faint: #646d78;
  --volt: #c8ff2e;
  --volt-deep: #9ecc12;
  --volt-ink: #0d1400;
  --line: rgba(244, 246, 248, 0.08);
  --radius: 18px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--base);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Inter, Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; width: 100%; }

a { color: var(--volt); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- chrome ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(20px, 5vw, 48px);
  background: rgba(8, 9, 11, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-size: 17px;
}
.brand:hover { text-decoration: none; }
.brand .dot {
  width: 22px; height: 22px; border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #dcff6b, #c8ff2e 55%, #9ecc12);
  box-shadow: 0 0 18px rgba(200, 255, 46, 0.35);
}

.nav-links { display: flex; gap: clamp(12px, 3vw, 28px); align-items: center; }
.nav-links a { color: var(--ink-muted); font-size: 15px; font-weight: 500; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-links a.cta {
  color: var(--volt-ink);
  background: var(--volt);
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 600;
}
.nav-links a.cta:hover { background: var(--volt-deep); color: var(--volt-ink); }

/* ---------- hero ---------- */

.hero {
  max-width: 880px;
  margin: 0 auto;
  padding: clamp(56px, 10vw, 110px) clamp(20px, 5vw, 48px) clamp(40px, 7vw, 72px);
  text-align: center;
}

.kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--volt);
  border: 1px solid rgba(200, 255, 46, 0.35);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 22px;
}

h1 {
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.03em;
  font-weight: 800;
}

h1 .accent { color: var(--volt); }

.lede {
  margin: 20px auto 0;
  max-width: 62ch;
  font-size: clamp(16px, 2.2vw, 19px);
  color: var(--ink-muted);
}

.hero-actions { margin-top: 30px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 16px;
  transition: transform 120ms ease, background 120ms ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--volt); color: var(--volt-ink); }
.btn-primary:hover { background: var(--volt-deep); }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: rgba(200, 255, 46, 0.4); }

/* ---------- sections ---------- */

.section { max-width: 1040px; margin: 0 auto; padding: clamp(36px, 6vw, 64px) clamp(20px, 5vw, 48px); }

.section h2 {
  font-size: clamp(24px, 3.4vw, 32px);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.section .sub { color: var(--ink-muted); margin-bottom: 28px; max-width: 68ch; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.card h3 { font-size: 17px; margin-bottom: 8px; letter-spacing: -0.01em; }
.card p { color: var(--ink-muted); font-size: 15px; }
.card .icon { font-size: 22px; display: block; margin-bottom: 12px; }

.facts { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.fact {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--ink-muted);
  background: rgba(255, 255, 255, 0.03);
}
.fact strong { color: var(--ink); font-weight: 600; }

/* ---------- legal / docs ---------- */

.doc { max-width: 760px; margin: 0 auto; padding: clamp(36px, 6vw, 64px) clamp(20px, 5vw, 48px); }

.doc h1 { font-size: clamp(28px, 4.5vw, 40px); margin-bottom: 6px; }
.doc .updated { color: var(--ink-faint); font-size: 14px; margin-bottom: 32px; }
.doc h2 { font-size: 20px; margin: 34px 0 10px; letter-spacing: -0.01em; }
.doc p, .doc li { color: var(--ink-muted); font-size: 16px; }
.doc ul, .doc ol { padding-left: 22px; margin: 10px 0; }
.doc li { margin-bottom: 6px; }
.doc strong { color: var(--ink); }
.doc table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 15px; }
.doc th, .doc td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.doc th { color: var(--ink); font-weight: 600; }
.doc td { color: var(--ink-muted); }

.notice {
  border: 1px solid rgba(200, 255, 46, 0.3);
  background: rgba(200, 255, 46, 0.06);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 15px;
  color: var(--ink);
}

/* ---------- faq ---------- */

.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 600;
  font-size: 16px;
  list-style: none;
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--volt);
  font-size: 20px;
  font-weight: 400;
}
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 22px 18px; color: var(--ink-muted); font-size: 15px; }

/* ---------- footer ---------- */

.footer {
  border-top: 1px solid var(--line);
  margin-top: clamp(40px, 8vw, 80px);
  padding: 28px clamp(20px, 5vw, 48px);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  color: var(--ink-faint);
  font-size: 14px;
}
.footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
.footer a { color: var(--ink-muted); }
.footer a:hover { color: var(--ink); }

@media (max-width: 560px) {
  .nav-links a:not(.cta) { display: none; }
}