:root {
  --bg: #060816;
  --bg-soft: #0f1530;
  --surface: rgba(15, 21, 48, .72);
  --surface-strong: rgba(17, 24, 39, .88);
  --line: rgba(148, 163, 184, .18);
  --text: #f8fafc;
  --muted: rgba(226, 232, 240, .72);
  --accent: #8b5cf6;
  --accent-2: #22d3ee;
  --shadow: 0 30px 80px rgba(2, 6, 23, .38);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  font-family: Inter, system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(139, 92, 246, .24), transparent 30%),
    radial-gradient(circle at top right, rgba(34, 211, 238, .12), transparent 24%),
    linear-gradient(180deg, #050816, #0a1023 42%, #060816 100%);
}
a { color: inherit; text-decoration: none; }
.shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}
.hero,
.topic-strip,
.faq-group {
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
  gap: 20px;
  padding: 28px;
  border-radius: 30px;
  background:
    linear-gradient(135deg, rgba(15, 23, 42, .9), rgba(9, 14, 31, .76)),
    linear-gradient(135deg, rgba(139, 92, 246, .14), transparent 58%);
}
.hero-copy {
  display: grid;
  gap: 18px;
  align-content: start;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: 12px;
  color: #c4b5fd;
}
.eyebrow::before {
  content: "";
  width: 32px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.hero h1 {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(3rem, 6vw, 5.6rem);
  line-height: .92;
  letter-spacing: 0;
  font-family: "Geist", "Sora", Inter, sans-serif;
}
.hero p {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.cta {
  min-height: 52px;
  padding: 0 20px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.cta-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.cta-secondary {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
}
.hero-panel {
  display: grid;
  gap: 14px;
}
.hero-panel article {
  padding: 18px 18px 20px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
}
.hero-panel span {
  display: block;
  margin-bottom: 8px;
  color: #cbd5e1;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 11px;
}
.hero-panel strong {
  display: block;
  margin-bottom: 8px;
  font-size: 20px;
}
.hero-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}
.topic-strip {
  position: sticky;
  top: 12px;
  z-index: 10;
  margin-top: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding: 12px;
  border-radius: 22px;
  background: rgba(8, 12, 28, .74);
}
.topic-strip a {
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  color: #e2e8f0;
  background: rgba(255,255,255,.03);
}
.grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.faq-group {
  padding: 26px;
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(15, 23, 42, .88), rgba(8, 12, 28, .84)),
    linear-gradient(135deg, rgba(34, 211, 238, .05), transparent 55%);
}
.faq-group h2 {
  margin: 0 0 18px;
  font-size: 32px;
  line-height: 1.06;
  font-family: "Geist", "Sora", Inter, sans-serif;
}
.faq-list {
  display: grid;
  gap: 12px;
}
.faq-item {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.faq-item h3 {
  margin: 0 0 10px;
  font-size: 18px;
}
.faq-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}
@media (max-width: 960px) {
  .hero,
  .grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 720px) {
  .shell { padding: 18px 14px 54px; }
  .hero, .faq-group { padding: 20px; }
  .topic-strip { position: static; }
  .hero-actions { flex-direction: column; }
  .cta { width: 100%; }
}