:root {
  /* Colors */
  --color-primary: #E63946;
  --color-primary-dark: #C1121F;
  --color-primary-light: #FFF0F1;
  --color-primary-glow: rgba(230, 57, 70, 0.15);
  --color-primary-glow-strong: rgba(230, 57, 70, 0.25);

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-blur: 20px;
  --color-black: #1D1D1F;
  --color-gray-900: #2D2D2F;
  --color-gray-800: #424245;
  --color-gray-700: #6E6E73;
  --color-gray-500: #86868B;
  --color-gray-400: #AEAEB2;
  --color-gray-300: #D2D2D7;
  --color-gray-200: #E8E8ED;
  --color-gray-100: #F5F5F7;
  --color-white: #FFFFFF;
  --color-error: #FF3B30;
  --color-success: #34C759;
  --color-warning: #FF9500;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 2rem;
  --fs-4xl: 2.75rem;
  --fs-5xl: 3.5rem;
  --fs-6xl: 4.5rem;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --lh-tight: 1.1;
  --lh-snug: 1.25;
  --lh-normal: 1.6;

  /* Spacing */
  --section-py: 120px;
  --container-max: 1200px;
  --container-px: 24px;
  --gap-xs: 8px;
  --gap-sm: 12px;
  --gap-md: 16px;
  --gap-lg: 24px;
  --gap-xl: 32px;
  --gap-2xl: 48px;
  --gap-3xl: 64px;

  /* Borders & Shadows */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 28px;
  --radius-full: 9999px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.08);
  --shadow-xl: 0 16px 64px rgba(0,0,0,0.12);
  --shadow-card: 0 2px 20px rgba(0,0,0,0.06);
  --shadow-card-hover: 0 8px 40px rgba(0,0,0,0.1);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 0.15s;
  --duration-base: 0.3s;
  --duration-slow: 0.5s;
  --duration-slower: 0.8s;

  /* Nav Island */
  --nav-island-radius: 16px;
  --nav-island-bg: rgba(255, 255, 255, 0.06);
  --nav-island-bg-scrolled: rgba(255, 255, 255, 0.95);
  --hero-diagonal-color: rgba(230, 57, 70, 0.06);

  /* Z-index */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 500;
  --z-nav: 1000;
  --z-overlay: 2000;
  --z-modal: 3000;
  --z-toast: 4000;
}