/* ========================================
   CSS Custom Properties — Design System
   ======================================== */

:root {
    /* ===== Brand Colors ===== */
    --color-primary: #c9a84c;
    --color-primary-light: #dfc06e;
    --color-primary-dark: #a88a3a;
    --color-accent: #4a90d9;
    --color-gradient-start: #c9a84c;
    --color-gradient-end: #4a90d9;

    /* ===== Neutral Colors (Deep Blue Theme) ===== */
    --color-bg-primary: #0a0e1a;
    --color-bg-secondary: #0f1525;
    --color-bg-tertiary: #1a2035;
    --color-bg-card: rgba(255, 255, 255, 0.03);
    --color-bg-card-hover: rgba(255, 255, 255, 0.07);
    --color-border: rgba(201, 168, 76, 0.12);
    --color-border-hover: rgba(201, 168, 76, 0.25);

    /* ===== Text Colors ===== */
    --color-text-primary: #f0ece4;
    --color-text-secondary: #8a8d95;
    --color-text-tertiary: #5c5f66;

    /* ===== Typography ===== */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3.5rem;
    --font-size-hero: clamp(3rem, 8vw, 7rem);

    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-black: 900;

    --line-height-tight: 1.1;
    --line-height-snug: 1.3;
    --line-height-normal: 1.6;

    /* ===== Spacing ===== */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;
    --space-3xl: 8rem;
    --space-section: clamp(5rem, 10vw, 10rem);

    /* ===== Container ===== */
    --container-max: 1200px;
    --container-padding: clamp(1.5rem, 5vw, 3rem);

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

    /* ===== Transitions ===== */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: 0.8s cubic-bezier(0.16, 1, 0.3, 1);

    /* ===== Shadows ===== */
    --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(201, 168, 76, 0.12);

    /* ===== Z-Index ===== */
    --z-nav: 1000;
    --z-overlay: 900;
    --z-modal: 1100;
}