:root {
  --theme-bg: #0b1020;
  --theme-surface: #1a1e2d;
  --theme-surface-strong: #1c3648;
  --theme-outline: #86e9ff;
  --theme-accent: #7c3aed;
  --theme-glow: #9d6bf2;
}
body {
  background: radial-gradient(circle at top left, #2e6075 0%, #0b1020 48%, #090d1d 100%);
  color: #9dedff;
  min-height: 100vh;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(125deg, transparent 0%, #74e5ff 45%, transparent 100%);
  opacity: 0.38;
}
.card, .section, .panel, .feature-card {
  backdrop-filter: blur(16px);
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015));
  border: 1px solid var(--theme-outline);
  box-shadow: 0 24px 80px rgba(2, 6, 23, 0.24);
}
.hero { position: relative; overflow: hidden; }
.hero::after {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  right: -80px;
  top: -110px;
  border-radius: 999px;
  background: radial-gradient(circle, #7c3aed55 0%, transparent 70%);
  filter: blur(12px);
  opacity: 0.85;
}
.btn-primary {
  background: linear-gradient(135deg, #68e3ff, #7c3aed) !important;
  color: #08111f !important;
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.28);
}
a { color: var(--theme-accent); }