:root {
  color-scheme: dark;
  --bg: #17102d;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.14);
  --text: #fbf8ff;
  --muted: #d5caeb;
  --accent: #ffd36a;
  --accent-2: #6effc8;
  --violet: #9b62ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 18% 12%, rgba(155, 98, 255, 0.34), transparent 34rem),
    radial-gradient(circle at 84% 8%, rgba(110, 255, 200, 0.18), transparent 30rem),
    linear-gradient(145deg, #17102d, #2b1b53 48%, #111a32);
  color: var(--text);
  min-height: 100vh;
}

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

.page {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 64px;
}

.brand {
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 22px;
}

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

.links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 650;
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 38px;
  align-items: center;
}

.eyebrow {
  color: var(--accent-2);
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 0.14em;
  font-weight: 800;
}

h1 {
  font-size: clamp(44px, 7vw, 78px);
  line-height: 0.92;
  margin: 14px 0 20px;
  letter-spacing: -0.07em;
}

h2 {
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -0.04em;
  margin: 0 0 16px;
}

p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 14px 20px;
  text-decoration: none;
  font-weight: 800;
  background: var(--accent);
  color: #21142f;
}

.button.secondary {
  background: var(--panel-strong);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.phone-card {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 36px;
  padding: 24px;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.28);
}

.mock-screen {
  aspect-ratio: 9 / 16;
  border-radius: 30px;
  background:
    linear-gradient(160deg, rgba(255, 211, 106, 0.18), transparent 28%),
    radial-gradient(circle at 25% 78%, rgba(110, 255, 200, 0.2), transparent 18%),
    linear-gradient(180deg, #2d1e55, #161431);
  padding: 22px;
  overflow: hidden;
  position: relative;
}

.board {
  position: absolute;
  inset: 28% 12% 22%;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.cell {
  border-radius: 18px;
  border: 2px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
}

.cell.active {
  background: radial-gradient(circle at 35% 35%, #f8ffdf, #6effc8);
  box-shadow: 0 0 24px rgba(110, 255, 200, 0.55);
}

.cell.spark {
  background: radial-gradient(circle at 35% 35%, #fff3b8, #9b62ff);
}

.bottle {
  position: absolute;
  top: 10%;
  left: 10%;
  right: 10%;
  border-radius: 24px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.09);
  color: var(--text);
  font-weight: 800;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 54px;
}

.card {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 26px;
  padding: 24px;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.footer {
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--muted);
  font-size: 14px;
}

.content {
  max-width: 820px;
}

.content ul {
  color: var(--muted);
  line-height: 1.8;
  font-size: 18px;
}

.notice {
  background: rgba(255, 211, 106, 0.12);
  border: 1px solid rgba(255, 211, 106, 0.28);
  border-radius: 22px;
  padding: 18px;
  color: var(--text);
}

@media (max-width: 820px) {
  .hero, .grid {
    grid-template-columns: 1fr;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 40px;
  }
}