:root {
    /* -- Obsidian & Electric Blue Palette (High-Contrast Premium) -- */
    --primary-h: 217;
    --primary-s: 91%;
    --primary-l: 60%;
    
    --primary: #3b82f6;      /* Electric Blue (Blue-500) */
    --primary-light: #60a5fa;
    --primary-dark: #2563eb;
    --primary-glow: rgba(59, 130, 246, 0.25);
    
    --accent: #22d3ee;       /* Neon Cyan (Cyan-400) */
    --accent-glow: rgba(34, 211, 238, 0.2);

    /* -- Obsidian Surface Depth (Vercel/Linear Style) -- */
    --bg-page: #020617;      /* Obsidian Slate-950 */
    --bg-card: #0f172a;      /* Deep Slate-900 */
    --bg-glass: rgba(15, 23, 42, 0.7);
    
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-glass: rgba(255, 255, 255, 0.1);
    --border-glow: rgba(59, 130, 246, 0.2);
    
    --text-heading: #ffffff;  /* Pure White for Contrast */
    --text-body: #94a3b8;     /* Cool Silver-Slate-400 */
    --text-muted: #64748b;

    /* -- Semantic Colors (Vibrant) -- */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;

    /* -- Design Tokens -- */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-xl: 40px;
    
    --shadow-soft: 0 8px 30px rgba(0, 0, 0, 0.2);
    --shadow-premium: 0 20px 60px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.15);
    
    --page-padding: 3rem;
    --font-heading: 'Outfit', 'Inter', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;

    --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* -- Reset & Global Defaults -- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-page);
    color: var(--text-body);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-heading);
    letter-spacing: -0.04em;
    line-height: 1.1;
}

/* -- Key Animations -- */
@keyframes slide-up {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.animate-slide-up { animation: slide-up 0.8s var(--transition-smooth) forwards; }
.animate-fade-in { animation: fade-in 1s var(--transition-smooth) forwards; }
.animate-spin-slow { animation: spin-slow 12s linear infinite; }