:root {
  --bg: #05070d;
  --panel: rgba(16, 22, 36, 0.78);
  --line: rgba(255, 184, 56, 0.28);
  --text: #d6dde8;
  --dim: #8c96a8;
  --accent: #ffb838;
  --accent-2: #ff6a3d;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(ellipse at 70% -10%, #1b2a4a 0%, transparent 55%),
              radial-gradient(ellipse at 10% 110%, #3a1a2e 0%, transparent 50%),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* Pure-CSS starfield: three layers of tiny radial dots, no images or scripts. */
.stars {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    radial-gradient(1px 1px at 12% 18%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 68% 42%, #cfe 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 33% 77%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 86% 12%, #ffd 50%, transparent 51%),
    radial-gradient(1px 1px at 52% 63%, #fff 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 91% 81%, #def 50%, transparent 51%);
  background-size: 340px 340px, 520px 520px, 610px 610px, 430px 430px, 280px 280px, 700px 700px;
  opacity: 0.7;
}

.hero {
  max-width: 960px;
  margin: 0 auto;
  padding: 18vh 24px 10vh;
  text-align: center;
}

.eyebrow {
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--dim);
  font-size: 0.8rem;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 1.05;
  margin: 0;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

h1 span {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline {
  max-width: 620px;
  margin: 20px auto 40px;
  font-size: 1.15rem;
  color: var(--text);
}

.button {
  display: inline-block;
  padding: 14px 34px;
  border-radius: 6px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: #120c02;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 30px rgba(255, 140, 50, 0.35);
}

.button-disabled {
  cursor: not-allowed;
  opacity: 0.55;
  box-shadow: none;
}

.cta-note {
  color: var(--dim);
  font-size: 0.92rem;
  margin-top: 14px;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-bottom: 56px;
}

.cards article, .requirements, .faq {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 22px 24px;
  backdrop-filter: blur(4px);
}

h2 {
  color: var(--accent);
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 10px;
}

.cards p, .faq p { margin: 0; color: var(--dim); }

.requirements, .faq { margin-bottom: 24px; }
.requirements ul { margin: 0; padding-left: 20px; }
.requirements li { margin: 6px 0; }

details { border-top: 1px solid rgba(255, 255, 255, 0.06); padding: 12px 0; }
details:first-of-type { border-top: 0; }
summary { cursor: pointer; font-weight: 600; }
details p { margin-top: 8px; }

footer {
  text-align: center;
  color: var(--dim);
  font-size: 0.85rem;
  padding: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

a { color: var(--accent); }