:root {
  --bg: #0b1020;
  --bg-soft: #111831;
  --card: rgba(17, 24, 49, 0.78);
  --card-border: rgba(255, 255, 255, 0.08);
  --text: #edf2ff;
  --muted: #b8c2e6;
  --accent: #8b7cff;
  --accent-2: #56d3ff;
  --accent-3: #8df0c8;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(139, 124, 255, 0.25), transparent 32%),
    radial-gradient(circle at top right, rgba(86, 211, 255, 0.18), transparent 28%),
    linear-gradient(180deg, #0b1020 0%, #09101b 100%);
  min-height: 100vh;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(16px);
  background: rgba(11, 16, 32, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  z-index: 10;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: var(--text);
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 24px rgba(86, 211, 255, 0.24);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted);
}

.nav-links a {
  color: var(--muted);
  font-weight: 600;
}

.hero {
  padding: 88px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--accent-3);
  font-size: 14px;
  font-weight: 700;
}

h1 {
  margin: 16px 0 14px;
  font-size: clamp(40px, 6vw, 68px);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.05;
  margin: 0 0 16px;
}

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

p, li {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}

.hero-actions, .button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 14px;
  font-weight: 700;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.button:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #05101d;
  box-shadow: 0 12px 30px rgba(86, 211, 255, 0.22);
}

.button.secondary {
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.08);
}

.card, .panel {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 28px;
}

.hero-card .metric {
  display: grid;
  gap: 14px;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.metric-row:last-child { border-bottom: 0; padding-bottom: 0; }
.metric-row span:last-child { color: var(--text); font-weight: 700; text-align: right; }

.section {
  padding: 28px 0;
}

.grid {
  display: grid;
  gap: 20px;
}

.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.panel {
  padding: 24px;
}

.panel ul {
  margin: 10px 0 0 18px;
  padding: 0;
}

.badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-3);
  background: rgba(141, 240, 200, 0.08);
  border: 1px solid rgba(141, 240, 200, 0.18);
  border-radius: 999px;
  padding: 6px 10px;
  margin-bottom: 12px;
}

.footer {
  padding: 42px 0 56px;
  color: var(--muted);
}

.preview-frame {
  overflow: hidden;
  padding: 18px;
}

.preview-frame img {
  width: 100%;
  display: block;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.08);
  background: #0d142a;
}

.caption {
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
}

.footer-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.policy {
  padding: 56px 0 72px;
}

.policy .panel, .support-sheet .panel {
  margin-bottom: 18px;
}

.policy h2, .support-sheet h2 { margin-top: 10px; }

.policy ul, .support-sheet ul {
  margin: 8px 0 0 18px;
  padding: 0;
}

.contact-list {
  display: grid;
  gap: 12px;
}

.contact-item {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
}

.small {
  font-size: 14px;
  color: var(--muted);
}

@media (max-width: 900px) {
  .hero-grid, .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 64px;
  }

  h1 {
    font-size: clamp(36px, 12vw, 54px);
  }
}