:root {
  color-scheme: dark;
  --bg: #07101d;
  --bg-2: #0b1526;
  --panel: rgba(12, 20, 35, 0.82);
  --panel-strong: rgba(15, 27, 48, 0.96);
  --line: rgba(148, 163, 184, 0.16);
  --text: #e5eefb;
  --muted: #a7b6cf;
  --accent: #7c3aed;
  --accent-2: #22d3ee;
  --shadow: 0 20px 70px rgba(0, 0, 0, 0.35);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(124, 58, 237, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(34, 211, 238, 0.14), transparent 24%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.section { padding: 88px 0; position: relative; z-index: 1; }
.alt { padding-top: 0; }

.bg-glow {
  position: fixed;
  inset: auto;
  width: 32rem;
  height: 32rem;
  filter: blur(100px);
  opacity: 0.35;
  pointer-events: none;
}
.bg-glow-a { top: -6rem; left: -8rem; background: rgba(124, 58, 237, 0.35); }
.bg-glow-b { top: 18rem; right: -8rem; background: rgba(34, 211, 238, 0.3); }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(20px);
  background: rgba(5, 10, 18, 0.52);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: 0.2px; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white; box-shadow: var(--shadow);
}
.menu { display: flex; gap: 22px; color: var(--muted); }
.menu a:hover { color: white; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 18px; border-radius: 999px; border: 1px solid var(--line);
  font-weight: 700; transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #4f46e5);
  border-color: rgba(255,255,255,0.08);
  box-shadow: 0 12px 28px rgba(124, 58, 237, 0.28);
}
.btn-secondary { background: rgba(255,255,255,0.03); }

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  color: #c4d3eb; text-transform: uppercase;
  letter-spacing: 0.16em; font-size: 0.76rem; font-weight: 700;
}
.hero-copy h1 {
  margin: 14px 0 18px;
  font-size: clamp(2.6rem, 5vw, 5rem);
  line-height: 0.98;
  max-width: 11ch;
}
.hero-copy h1 span {
  background: linear-gradient(90deg, #fff, #b7f2ff 40%, #c4b5fd 70%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-copy p, .section-head p, .split p, .card p, .faq-item p, .footer p {
  color: var(--muted);
  line-height: 1.75;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0 18px; }
.hero-points {
  margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; color: #d9e5f4;
}
.hero-points li::before { content: "•"; color: var(--accent-2); margin-right: 8px; }

.hero-panel {
  display: grid;
  gap: 18px;
}
.panel-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.panel-stat {
  padding: 28px;
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.95), rgba(11, 18, 32, 0.92));
}
.panel-stat strong { display: block; font-size: 2.6rem; margin: 10px 0 4px; }
.stat-label, .mini-label { color: var(--muted); font-size: 0.9rem; }
.panel-grid {
  padding: 22px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.panel-grid div {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
}
.panel-grid strong { display: block; margin-top: 6px; }

.section-head {
  max-width: 760px;
  margin-bottom: 28px;
}
.section-head h2, .split h2, .faq-wrap h2 { font-size: clamp(1.8rem, 4vw, 3rem); margin: 12px 0 10px; line-height: 1.08; }
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card, .listbox, .faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card { padding: 26px; }
.card h3 { margin: 16px 0 10px; font-size: 1.15rem; }
.icon {
  width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center;
  font-size: 1.35rem;
  background: linear-gradient(135deg, rgba(124,58,237,0.24), rgba(34,211,238,0.18));
  border: 1px solid rgba(255,255,255,0.08);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
}
.listbox { padding: 10px; }
.list-item {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.03);
}
.list-item + .list-item { margin-top: 10px; }
.list-item span {
  width: 34px; height: 34px; border-radius: 999px;
  display: grid; place-items: center; font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
}

.faq-wrap { max-width: 820px; }
.faq-item {
  padding: 20px 22px;
  margin-top: 14px;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  color: #f7fbff;
}
.faq-item p { margin: 12px 0 0; }

.footer {
  padding: 34px 0 42px;
  border-top: 1px solid rgba(255,255,255,0.06);
  background: rgba(3, 8, 14, 0.3);
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
}
.footer strong { display: block; margin-bottom: 8px; }

@media (max-width: 920px) {
  .hero-grid, .split, .cards { grid-template-columns: 1fr; }
  .menu { display: none; }
  .hero-copy h1 { max-width: 12ch; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .nav { min-height: 70px; }
  .container { width: min(100% - 22px, 1120px); }
  .hero-copy h1 { font-size: clamp(2.25rem, 14vw, 3.6rem); }
  .panel-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}