:root {
  --background: 222 47% 97%;
  --foreground: 223 32% 15%;
  --primary: 253 85% 61%;
  --secondary: 190 95% 42%;
  --muted: 220 24% 92%;
  --destructive: 0 78% 58%;
  --border: 222 24% 84%;
  --card: 0 0% 100%;
  --shadow-sm: 0 6px 18px rgba(30, 41, 59, 0.08);
  --shadow-md: 0 14px 34px rgba(30, 41, 59, 0.12);
  --shadow-lg: 0 24px 60px rgba(30, 41, 59, 0.18);
  --transition-fast: 160ms ease;
  --transition-smooth: 280ms cubic-bezier(0.22, 1, 0.36, 1);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
}

.dark {
  --background: 228 33% 9%;
  --foreground: 210 40% 96%;
  --primary: 258 90% 70%;
  --secondary: 187 92% 51%;
  --muted: 228 24% 17%;
  --destructive: 0 75% 62%;
  --border: 229 18% 24%;
  --card: 228 30% 12%;
  --shadow-sm: 0 6px 20px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 16px 40px rgba(0, 0, 0, 0.34);
  --shadow-lg: 0 28px 80px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, hsla(var(--primary), 0.14), transparent 28%),
    radial-gradient(circle at top right, hsla(var(--secondary), 0.12), transparent 24%),
    linear-gradient(180deg, hsla(var(--background), 1), hsla(var(--background), 1));
}

.card-surface {
  background: hsla(var(--card), 0.88);
  border: 1px solid hsla(var(--border), 0.9);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(14px);
}

.glow-ring {
  position: relative;
}

.glow-ring::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, hsla(var(--primary), 0.6), hsla(var(--secondary), 0.5));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.hero-grid {
  background-image:
    linear-gradient(hsla(var(--border), 0.4) 1px, transparent 1px),
    linear-gradient(90deg, hsla(var(--border), 0.4) 1px, transparent 1px);
  background-size: 22px 22px;
}

.shimmer {
  position: relative;
  overflow: hidden;
}

.shimmer::before {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, hsla(var(--foreground), 0.08), transparent);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}

.fade-up {
  animation: fadeUp 0.5s var(--transition-smooth);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.text-balance {
  text-wrap: balance;
}

button, input, select {
  transition: all var(--transition-fast);
}

button:hover {
  transform: translateY(-1px);
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-thumb {
  background: hsla(var(--border), 0.9);
  border-radius: 999px;
}

::-webkit-scrollbar-track {
  background: transparent;
}