:root {
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --background: 42 44% 97%;
  --foreground: 224 34% 14%;
  --card: 0 0% 100%;
  --card-foreground: 224 34% 14%;
  --popover: 0 0% 100%;
  --popover-foreground: 224 34% 14%;
  --primary: 221 83% 53%;
  --primary-foreground: 0 0% 100%;
  --secondary: 217 40% 93%;
  --secondary-foreground: 224 34% 14%;
  --muted: 220 24% 92%;
  --muted-foreground: 221 16% 40%;
  --accent: 166 72% 42%;
  --accent-foreground: 0 0% 100%;
  --destructive: 0 72% 48%;
  --destructive-foreground: 0 0% 100%;
  --success: 153 65% 36%;
  --success-foreground: 0 0% 100%;
  --warning: 38 92% 46%;
  --warning-foreground: 30 40% 12%;
  --info: 199 89% 44%;
  --info-foreground: 0 0% 100%;
  --border: 220 18% 84%;
  --input: 220 18% 84%;
  --ring: 221 83% 53%;
  --radius: 0.625rem;
  --shadow-sm: 0 1px 2px hsl(var(--foreground) / 0.05);
  --shadow-md: 0 4px 12px hsl(var(--foreground) / 0.08);
  --shadow-lg: 0 12px 32px hsl(var(--foreground) / 0.12);
  --shadow-elegant: 0 20px 60px hsl(var(--primary) / 0.22);
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.dark {
  --background: 224 36% 8%;
  --foreground: 220 28% 94%;
  --card: 224 32% 12%;
  --card-foreground: 220 28% 94%;
  --popover: 224 32% 12%;
  --popover-foreground: 220 28% 94%;
  --primary: 217 91% 62%;
  --primary-foreground: 224 36% 8%;
  --secondary: 223 24% 18%;
  --secondary-foreground: 220 28% 94%;
  --muted: 223 24% 18%;
  --muted-foreground: 220 14% 72%;
  --accent: 166 70% 44%;
  --accent-foreground: 224 36% 8%;
  --destructive: 0 75% 60%;
  --destructive-foreground: 224 36% 8%;
  --success: 153 65% 46%;
  --success-foreground: 224 36% 8%;
  --warning: 38 92% 56%;
  --warning-foreground: 30 40% 12%;
  --info: 199 89% 58%;
  --info-foreground: 224 36% 8%;
  --border: 223 20% 24%;
  --input: 223 20% 24%;
  --ring: 217 91% 62%;
}

* {
  border-color: hsl(var(--border));
}

html {
  scroll-behavior: smooth;
  background: hsl(var(--background));
}

body {
  margin: 0;
  min-width: 320px;
  color: hsl(var(--foreground));
  background:
    radial-gradient(circle at top left, hsl(var(--primary) / 0.14), transparent 34rem),
    radial-gradient(circle at 85% 12%, hsl(var(--accent) / 0.12), transparent 28rem),
    hsl(var(--background));
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
input,
select,
textarea {
  font: inherit;
}

input,
select,
textarea {
  font-size: max(16px, 1rem);
}

section {
  scroll-margin-top: 6rem;
}

.hero-card-bg {
  background:
    linear-gradient(135deg, hsl(var(--card) / 0.92), hsl(var(--secondary) / 0.72)),
    radial-gradient(circle at 20% 0%, hsl(var(--primary) / 0.18), transparent 18rem);
}

.image-fallback {
  background:
    radial-gradient(circle at 20% 20%, hsl(var(--primary) / 0.24), transparent 14rem),
    linear-gradient(135deg, hsl(var(--secondary)), hsl(var(--muted)));
}

::selection {
  background: hsl(var(--primary) / 0.24);
}