@layer base, components, utilities;

@layer base {
  :root {
    --primary-hue: 160;
    --primary-color: oklch(75% 0.15 var(--primary-hue));
    --secondary-color: oklch(80% 0.12 40); /* Warm Orange */
    --background: oklch(98% 0.01 var(--primary-hue));
    --surface: oklch(100% 0 0);
    --text: oklch(25% 0.02 var(--primary-hue));
    --text-muted: oklch(50% 0.02 var(--primary-hue));
    
    --shadow-soft: 0 10px 30px -5px oklch(0% 0 0 / 5%), 0 5px 15px -3px oklch(0% 0 0 / 3%);
    --shadow-glow: 0 0 20px oklch(75% 0.15 var(--primary-hue) / 30%);
    
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 32px;
    
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  }

  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  body {
    font-family: var(--font-main);
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    /* Subtle noise texture */
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3%3Ffilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    background-blend-mode: overlay;
    background-attachment: fixed;
  }

  h1, h2, h3 {
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
  }
}

@layer components {
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
  }

  .glass-card {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid oklch(100% 0 0 / 50%);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .glass-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    gap: 0.5rem;
  }

  .btn-primary {
    background: var(--primary-color);
    color: oklch(20% 0.05 var(--primary-hue));
    box-shadow: 0 4px 12px oklch(75% 0.15 var(--primary-hue) / 25%);
  }

  .btn-primary:hover {
    filter: brightness(1.05);
    transform: scale(1.02);
  }

  header {
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: oklch(98% 0.01 var(--primary-hue) / 80%);
  }

  .nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
  }

  .stat-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .stat-value {
    font-size: 2.5rem;
    font-weight: 800;
  }

  .vision-preview {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: oklch(90% 0.02 var(--primary-hue));
    border-radius: var(--radius-md);
    margin-top: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--text-muted);
    position: relative;
    overflow: hidden;
  }

  .ai-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent, oklch(75% 0.15 var(--primary-hue) / 20%));
    pointer-events: none;
    border: 2px solid var(--primary-color);
    animation: scan 2s infinite alternate;
  }

  @keyframes scan {
    0% { opacity: 0.3; transform: translateY(-5%); }
    100% { opacity: 0.7; transform: translateY(5%); }
  }
}