:root {
  color-scheme: dark;
  --cyan: #00e5ff;
  --blue: #2f78ff;
  --violet: #7b61ff;
  --magenta: #ff00e0;
  --bg: #020510;
  --panel: #101428;
  --panel-2: #141a32;
  --border: #242d4d;
  --text: #f7f8ff;
  --muted: #a8aec4;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 78% 8%, rgba(123, 97, 255, 0.34), transparent 32rem),
    radial-gradient(circle at 15% 25%, rgba(0, 229, 255, 0.22), transparent 26rem),
    linear-gradient(180deg, #020510 0%, #080b1a 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px clamp(20px, 6vw, 72px);
  background: rgba(2, 5, 16, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.brand span,
.gradient-text {
  background: linear-gradient(90deg, var(--cyan), var(--blue), var(--violet), var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

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

.nav a {
  text-decoration: none;
}

.nav a:hover {
  color: var(--text);
}

.hero,
.page {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: center;
  gap: clamp(28px, 6vw, 72px);
  min-height: calc(100vh - 78px);
  padding: 38px 0 70px;
}

.hero-art {
  display: flex;
  justify-content: center;
}

.app-icon {
  width: min(360px, 76vw);
  border-radius: 30%;
  box-shadow:
    0 0 42px rgba(0, 229, 255, 0.28),
    0 0 80px rgba(255, 0, 224, 0.2);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(48px, 9vw, 96px);
  line-height: 0.95;
  font-weight: 900;
}

.lead {
  max-width: 610px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2.2vw, 23px);
  line-height: 1.35;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  background: linear-gradient(90deg, var(--cyan), var(--blue), var(--violet), var(--magenta));
  color: white;
  text-decoration: none;
  font-weight: 800;
  box-shadow: 0 14px 34px rgba(47, 120, 255, 0.24);
}

.button.secondary {
  background: rgba(16, 20, 40, 0.76);
  color: var(--text);
  box-shadow: none;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 34px;
}

.card,
.legal-card {
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(20, 26, 50, 0.88), rgba(8, 11, 26, 0.86));
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
}

.card {
  padding: 20px;
}

.card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 17px;
}

.card p,
.legal-card p,
.legal-card li {
  color: var(--muted);
  line-height: 1.58;
}

.page {
  padding: 58px 0 72px;
}

.page h1 {
  font-size: clamp(42px, 7vw, 72px);
}

.legal-card {
  margin-top: 28px;
  padding: clamp(22px, 5vw, 42px);
}

.legal-card h2 {
  margin-top: 34px;
  margin-bottom: 10px;
}

.legal-card h2:first-child {
  margin-top: 0;
}

.footer {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 26px 0 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 820px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 34px;
  }

  .hero-art {
    order: -1;
  }

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