/* ========================================
   CSS VARIABLES - PREMIUM DESIGN SYSTEM
   ======================================== */

:root {
  /* Typography - Plus Jakarta Sans */
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Font Sizes - Escala modular */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  
  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  
  /* Line Heights */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;
  
  /* Letter Spacing */
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  
  /* Layout */
  --page-padding: 0px 8%;
  --main-bg: #0a0a0a;
  --box-bg: #141414e8;
  --nav-bg: rgba(10, 10, 10, 0.95);
  
  /* Colors - Premium Dark Palette */
  --name-color: #ffffff;
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-tertiary: #71717a;
  
  --header-btnH-color: #d4af37;
  --header-btnH-dark: #b8960c;
  --header-Card-color: rgba(212, 175, 55, 0.1);
  --card-bg-text: #e4e4e7;
  
  --shadow: rgba(0, 0, 0, 0.4);
  --Box-shadow: rgba(0, 0, 0, 0.5);
  --shadow-btn: rgba(0, 0, 0, 0.3);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
  --gradient-blue: linear-gradient(135deg, #d4af37 0%, #b8960c 100%);
  --gradient-card: linear-gradient(135deg, #1a1a1a 0%, #141414 100%);
  
  /* Navbar 2026 */
  --navbar-height: 64px;
  --navbar-height-scrolled: 56px;
  --navbar-bg: rgba(10, 10, 10, 0.9);
  --navbar-bg-scrolled: rgba(10, 10, 10, 0.95);
  --navbar-blur: 12px;
  --navbar-border: rgba(255, 255, 255, 0.08);
  --navbar-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  --mobile-menu-width: 300px;
  --mobile-backdrop: rgba(0, 0, 0, 0.7);
  
  /* Transitions */
  --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-duration: 250ms;
  --transition-fast: 150ms;
  --transition-slow: 500ms;
  
  /* Spacing - Escala consistente */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-full: 50%;
  
  /* Shadows - Premium depth */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
  
  /* Z-Index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  
  /* Breakpoints */
  --breakpoint-xs: 320px;
  --breakpoint-sm: 375px;
  --breakpoint-md: 480px;
  --breakpoint-lg: 768px;
  --breakpoint-xl: 1024px;
  --breakpoint-2xl: 1200px;
  --breakpoint-3xl: 1440px;
}