:root {
  --background: 218 43% 97%;
  --foreground: 230 31% 14%;
  --primary: 267 84% 61%;
  --secondary: 191 88% 48%;
  --muted: 220 24% 92%;
  --destructive: 0 78% 57%;
  --border: 226 24% 85%;
  --card: 0 0% 100%;
  --shadow-sm: 0 8px 20px hsla(253, 45%, 25%, 0.08);
  --shadow-md: 0 18px 45px hsla(252, 55%, 25%, 0.14);
  --shadow-lg: 0 30px 80px hsla(267, 84%, 40%, 0.28);
  --transition-fast: 180ms ease;
  --transition-smooth: 420ms cubic-bezier(0.22, 1, 0.36, 1);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
}

.dark {
  --background: 232 36% 8%;
  --foreground: 220 30% 96%;
  --primary: 270 92% 69%;
  --secondary: 191 91% 60%;
  --muted: 231 22% 15%;
  --destructive: 0 84% 65%;
  --border: 231 16% 24%;
  --card: 230 29% 12%;
  --shadow-sm: 0 10px 22px hsla(240, 40%, 2%, 0.25);
  --shadow-md: 0 22px 55px hsla(240, 50%, 2%, 0.4);
  --shadow-lg: 0 30px 90px hsla(270, 95%, 60%, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, hsla(267, 84%, 61%, 0.16), transparent 30%),
    radial-gradient(circle at top right, hsla(191, 88%, 48%, 0.12), transparent 28%),
    hsl(var(--background));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

::selection {
  background: hsla(267, 84%, 61%, 0.28);
}

.grid-bg {
  background-image:
    linear-gradient(hsla(0, 0%, 100%, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, hsla(0, 0%, 100%, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
}

.glass {
  background: linear-gradient(180deg, hsla(0, 0%, 100%, 0.08), hsla(0, 0%, 100%, 0.02));
  backdrop-filter: blur(18px);
}

.card-surface {
  background: linear-gradient(180deg, hsla(0, 0%, 100%, 0.07), hsla(0, 0%, 100%, 0.03));
  border: 1px solid hsla(0, 0%, 100%, 0.08);
}

.hero-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(10px);
  opacity: 0.9;
  pointer-events: none;
}

.orbit {
  animation: spin 14s linear infinite;
  transform-origin: center;
}

.orbit-reverse {
  animation: spinReverse 18s linear infinite;
  transform-origin: center;
}

.floaty {
  animation: floaty 6s ease-in-out infinite;
}

.scanline::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent, hsla(0, 0%, 100%, 0.04), transparent);
  transform: translateY(-100%);
  animation: scan 8s linear infinite;
  pointer-events: none;
}

.project-tilt {
  transform-style: preserve-3d;
  transition: transform var(--transition-smooth), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.project-tilt:hover {
  box-shadow: var(--shadow-lg);
}

.project-depth {
  transform: translateZ(36px);
}

.badge-soft {
  background: hsla(var(--primary), 0.12);
  color: hsl(var(--primary));
}

.badge-cyan {
  background: hsla(var(--secondary), 0.12);
  color: hsl(var(--secondary));
}

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

.skeleton {
  position: relative;
  overflow: hidden;
  background: hsla(0, 0%, 100%, 0.06);
}

.skeleton::before {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, hsla(0, 0%, 100%, 0.12), transparent);
  animation: shimmer 1.4s infinite;
}

.focus-ring:focus-visible {
  outline: 2px solid hsla(var(--secondary), 0.9);
  outline-offset: 2px;
}

@keyframes floaty {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-14px); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes spinReverse {
  from { transform: rotate(360deg); }
  to { transform: rotate(0deg); }
}

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

@keyframes scan {
  100% { transform: translateY(100%); }
}