:root {
  --lux-ink: #0a0f1f;
  --lux-gold: #d6b36a;
  --lux-muted: #e9eef7;
  --lux-cream: #f7f1e7;
}

html,
body {
  font-family: 'Google Sans', 'Product Sans', Inter, system-ui, sans-serif;
  font-feature-settings: "ss01" on, "liga" on;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  letter-spacing: -0.01em;
}

body {
  background: radial-gradient(120% 120% at 20% 20%, rgba(214, 179, 106, 0.12), transparent),
              radial-gradient(140% 140% at 80% 0%, rgba(14, 165, 233, 0.08), transparent),
              linear-gradient(180deg, #f9fbff 0%, #f3f6fb 35%, #eef2f9 60%, #f9fbff 100%);
  color: #0b132b;
  background-attachment: fixed;
}

.dark body {
  background: radial-gradient(140% 140% at 20% 20%, rgba(214, 179, 106, 0.18), transparent),
              radial-gradient(120% 120% at 80% 0%, rgba(14, 165, 233, 0.12), transparent),
              linear-gradient(180deg, #060910 0%, #0a0f1f 45%, #0b132b 100%);
  color: #e6e8ef;
}

.premium-shell {
  position: relative;
  overflow: hidden;
}

.premium-shell::before {
  content: "";
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle at 30% 20%, rgba(214, 179, 106, 0.08), transparent 45%),
              radial-gradient(circle at 70% 10%, rgba(14, 165, 233, 0.06), transparent 40%);
  filter: blur(40px);
  z-index: 0;
}

.premium-card {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.7), rgba(246, 249, 255, 0.4));
  box-shadow: 0 20px 45px rgba(10, 15, 31, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  border-radius: 18px;
  backdrop-filter: blur(12px);
}

.dark .premium-card {
  border: 1px solid rgba(214, 179, 106, 0.25);
  background: linear-gradient(135deg, rgba(12, 19, 42, 0.85), rgba(8, 13, 26, 0.95));
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.golden-accent {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(214, 179, 106, 0.18), rgba(14, 165, 233, 0.14));
  border: 1px solid rgba(214, 179, 106, 0.35);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.golden-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(214, 179, 106, 0.9), transparent);
}

.hero-transition-text {
  position: relative;
  display: inline-block;
  background: linear-gradient(120deg, #0ea5e9 0%, #38bdf8 25%, #3b82f6 50%, #1d4ed8 75%, #0ea5e9 100%);
  background-size: 240% 240%;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  filter: drop-shadow(0 8px 18px rgba(59, 130, 246, 0.18));
  animation: transitionWave 9s ease-in-out infinite;
}

@keyframes transitionWave {
  0% {
    background-position: 0% 50%;
  }
  25% {
    background-position: 50% 60%;
  }
  50% {
    background-position: 100% 40%;
  }
  75% {
    background-position: 60% 55%;
  }
  100% {
    background-position: 0% 50%;
  }
}