:root {
  --background: 210 45% 98%;
  --foreground: 218 35% 13%;
  --primary: 181 79% 28%;
  --primary-foreground: 0 0% 100%;
  --secondary: 33 93% 58%;
  --secondary-foreground: 222 42% 12%;
  --muted: 212 24% 90%;
  --muted-foreground: 215 16% 42%;
  --destructive: 356 76% 52%;
  --destructive-foreground: 0 0% 100%;
  --border: 214 24% 84%;
  --card: 0 0% 100%;
  --shadow-sm: 0 4px 14px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 14px 35px rgba(15, 23, 42, 0.10);
  --shadow-lg: 0 24px 70px rgba(15, 23, 42, 0.16);
  --transition-fast: 160ms ease;
  --transition-smooth: 280ms cubic-bezier(.2,.8,.2,1);
  --radius-sm: 0.65rem;
  --radius-md: 1rem;
  --radius-lg: 1.4rem;
}
.dark {
  --background: 219 39% 8%;
  --foreground: 210 40% 96%;
  --primary: 181 72% 42%;
  --primary-foreground: 218 35% 9%;
  --secondary: 35 95% 61%;
  --secondary-foreground: 222 42% 10%;
  --muted: 219 26% 17%;
  --muted-foreground: 214 22% 72%;
  --destructive: 355 80% 62%;
  --destructive-foreground: 0 0% 100%;
  --border: 218 22% 24%;
  --card: 219 34% 11%;
}
* { box-sizing: border-box; }
body { margin: 0; background: hsl(var(--background)); color: hsl(var(--foreground)); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.focus-ring:focus { outline: 3px solid hsl(var(--primary) / 0.28); outline-offset: 2px; }
.card-hover { transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth); }
.card-hover:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: hsl(var(--primary) / 0.32); }
.gradient-orb { background: radial-gradient(circle at 20% 20%, hsl(var(--secondary) / .34), transparent 35%), radial-gradient(circle at 80% 0%, hsl(var(--primary) / .28), transparent 35%); }