:root {
  --black: #0a0a0a;
  --black2: #121212;
  --black3: #1a1a1a;
  --line: #242424;
  --gold: #d4a72c;
  --bright: #f5c542;
  --white: #f4f4f4;
  --muted: #b8b8b8;
  --muted2: #7d7d7d;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: 'Segoe UI', system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--bright); text-decoration: none; }

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { font-size: 24px; }
.brand-name { font-weight: 800; font-size: 20px; letter-spacing: 1px; }

.nav-links { display: flex; gap: 22px; flex-wrap: wrap; }
.nav-links a { color: var(--muted); font-size: 14px; font-weight: 600; }
.nav-links a:hover { color: var(--bright); }

.hero { border-bottom: 1px solid var(--line); }
.hero-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 110px 24px 120px;
  text-align: center;
}

.eyebrow {
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(40px, 7vw, 68px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -1px;
}

.accent {
  background: linear-gradient(120deg, var(--bright), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  color: var(--muted);
  font-size: 18px;
  max-width: 620px;
  margin: 26px auto 0;
}

.hero-cta { margin-top: 40px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
}
.btn.gold { background: var(--bright); color: #0a0a0a; }
.btn.gold:hover { background: #ffd35c; }
.btn.ghost { border-color: var(--gold); color: var(--bright); }
.btn.ghost:hover { background: rgba(212, 167, 44, 0.1); }

.section { padding: 90px 24px; }
.section.dark { background: var(--black2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-inner { max-width: 1080px; margin: 0 auto; }
.section-inner.center { text-align: center; }

h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: -0.5px; }
.section-sub { color: var(--muted); margin-top: 12px; font-size: 16px; }

.grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 20px;
}

.card {
  background: var(--black3);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  transition: border-color 0.2s;
}
.card:hover { border-color: rgba(212, 167, 44, 0.55); }
.card-icon { font-size: 30px; margin-bottom: 14px; }
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 14.5px; }

.steps {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.step { background: var(--black3); border: 1px solid var(--line); border-radius: 18px; padding: 26px; }
.step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bright);
  color: #0a0a0a;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  font-size: 17px;
}
.step h3 { font-size: 17px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 14px; }

.tiers {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
}
.tier {
  background: var(--black3);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 15px;
}
.tier span { font-size: 26px; }
.tier em { margin-left: auto; font-style: normal; color: var(--bright); font-size: 14px; }

.note { color: var(--muted2); font-size: 13px; margin-top: 16px; }

.footer { border-top: 1px solid var(--line); padding: 40px 24px; }
.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-inner p { color: var(--muted2); font-size: 13px; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--muted); font-size: 13px; font-weight: 600; }

/* Document pages */
.doc { max-width: 760px; margin: 0 auto; padding: 70px 24px 90px; }
.doc h1 { font-size: 34px; margin-bottom: 6px; }
.doc .updated { color: var(--muted2); font-size: 13px; margin-bottom: 34px; }
.doc h2 { font-size: 22px; margin: 34px 0 10px; }
.doc p, .doc li { color: var(--muted); font-size: 15px; }
.doc ul { margin: 10px 0 10px 22px; }
.doc li { margin-bottom: 6px; }
.doc strong { color: var(--white); }

@media (max-width: 640px) {
  .nav-links { display: none; }
  .hero-inner { padding: 70px 20px 80px; }
  .section { padding: 60px 20px; }
}