/* ===== CSS Variables & Design Tokens ===== */
:root {
    /* Colors - Bleu Marine */
    --color-bg: #0a0f14;
    --color-bg-elevated: #0f1a24;
    --color-bg-card: #152230;
    --color-bg-glass: rgba(15, 26, 36, 0.8);

    --color-primary: #2563eb;
    --color-primary-light: #3b82f6;
    --color-primary-dark: #1d4ed8;

    --color-accent: #0ea5e9;
    --color-accent-alt: #06b6d4;

    --color-text: #f1f5f9;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;

    --color-border: rgba(255, 255, 255, 0.06);
    --color-border-light: rgba(255, 255, 255, 0.1);

    /* Gradients - Bleu Marine */
    --gradient-primary: linear-gradient(135deg, #1e3a5f 0%, #2563eb 50%, #0ea5e9 100%);
    --gradient-hero: radial-gradient(ellipse at 50% 0%, rgba(37, 99, 235, 0.1) 0%, transparent 50%);
    --gradient-card: linear-gradient(180deg, var(--color-bg-card) 0%, var(--color-bg-elevated) 100%);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Outfit', sans-serif;

    /* Spacing */
    --section-padding: clamp(4rem, 10vw, 8rem);
    --container-max: 1200px;
    --container-padding: clamp(1.5rem, 5vw, 3rem);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;
}