:root {
  color-scheme: dark;
  --bg: #08080f;
  --panel: rgba(18, 18, 28, 0.78);
  --panel-strong: rgba(24, 20, 40, 0.92);
  --border: rgba(167, 139, 250, 0.22);
  --text: #f8f7ff;
  --muted: #b8b8d0;
  --soft: #8f93aa;
  --purple: #8b5cf6;
  --purple-2: #a78bfa;
  --green: #34d399;
  --danger: #f87171;
  --max: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  background:
    radial-gradient(circle at 82% -8%, rgba(124, 58, 237, 0.38), transparent 30rem),
    radial-gradient(circle at -8% 38%, rgba(14, 165, 233, 0.18), transparent 21rem),
    linear-gradient(180deg, #130d24 0%, #08080f 45%, #0a0a12 100%);
}

a {
  color: var(--purple-2);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-shell {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 900;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: linear-gradient(135deg, #8b5cf6, #1d4ed8);
  box-shadow: 0 10px 28px rgba(124, 58, 237, 0.32);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.hero {
  padding: 74px 0 56px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  color: var(--purple-2);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 18px rgba(52, 211, 153, 0.7);
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(44px, 7vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.hero-copy {
  max-width: 660px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 2.3vw, 21px);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 900;
  background: rgba(255, 255, 255, 0.045);
}

.button.primary {
  border: 0;
  background: linear-gradient(135deg, #8b5cf6, #6d28d9);
  box-shadow: 0 14px 34px rgba(124, 58, 237, 0.32);
}

.section {
  padding: 28px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  min-height: 190px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--panel);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.22);
}

.card h2,
.card h3 {
  margin: 0 0 10px;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.content {
  max-width: 860px;
  padding: 34px;
  margin: 38px auto 64px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--panel-strong);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

.content h1 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.04;
}

.content h2 {
  margin-top: 34px;
  margin-bottom: 8px;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.content p,
.content li {
  color: var(--muted);
}

.content ul {
  padding-left: 22px;
}

.notice {
  margin: 24px 0;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(52, 211, 153, 0.2);
  background: rgba(52, 211, 153, 0.08);
  color: #d1fae5;
}

.footer {
  padding: 34px 0 44px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--soft);
  font-size: 13px;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 760px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }

  .hero {
    padding-top: 42px;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .content {
    padding: 24px;
    margin-top: 22px;
  }
}