/**
 * ================================================================
 * DESIGN TOKENS - JEAN-DAVID WAEBER PORTFOLIO
 * Musique Sacrée • Noblesse • Immersion
 * ================================================================
 */

/* === FONTS IMPORT === */
@import url('https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* === COLOR PALETTE === */
  /* Primary - Noble Dark Blues */
  --color-primary-darkest: #0b0e12;
  --color-primary-darker: #101419;
  --color-primary-dark: #1a1f26;
  --color-primary-base: #242933;
  --color-primary-light: #2d3340;
  
  /* Secondary - Warm Creams */
  --color-secondary-darkest: #d4c7b8;
  --color-secondary-dark: #e0d4c6;
  --color-secondary-base: #e9e6df;
  --color-secondary-light: #f2f0ea;
  --color-secondary-lightest: #faf9f7;
  
  /* Accent - Elegant Gold */
  --color-accent-dark: #b8941f;
  --color-accent-base: #c9a646;
  --color-accent-light: #d4b55a;
  --color-accent-lighter: #e6c757;
  --color-accent-alpha: rgba(201, 166, 70, 0.15);
  --color-accent-alpha-light: rgba(201, 166, 70, 0.08);
  
  /* Semantic Colors */
  --color-background: var(--color-primary-darkest);
  --color-surface: var(--color-primary-darker);
  --color-surface-elevated: var(--color-primary-dark);
  --color-text-primary: var(--color-secondary-base);
  --color-text-secondary: var(--color-secondary-dark);
  --color-text-muted: rgba(233, 230, 223, 0.7);
  --color-text-inverse: var(--color-primary-base);
  
  /* === TYPOGRAPHY === */
  /* Font Families - Times New Roman PARTOUT */
  --font-primary: 'Times New Roman', Times, serif;
  --font-serif: 'Times New Roman', Times, serif;
  --font-sans: 'Times New Roman', Times, serif;
  
  /* Font Scale - Fluid Typography +47.6% total (23% + 20% additionnel) pour lisibilité 40+ ans */
  --text-xs: clamp(1.10rem, 1.03rem + 0.30vw, 1.18rem);
  --text-sm: clamp(1.30rem, 1.18rem + 0.44vw, 1.33rem);
  --text-base: clamp(1.48rem, 1.40rem + 0.37vw, 1.66rem);
  --text-lg: clamp(1.66rem, 1.55rem + 0.55vw, 1.85rem);
  --text-xl: clamp(1.85rem, 1.69rem + 0.74vw, 2.22rem);
  --text-2xl: clamp(2.22rem, 1.99rem + 1.10vw, 2.95rem);
  --text-3xl: clamp(2.95rem, 2.58rem + 1.85vw, 4.06rem);
  --text-4xl: clamp(3.70rem, 2.95rem + 3.70vw, 5.90rem);
  --text-5xl: clamp(4.43rem, 3.70rem + 3.70vw, 7.38rem);
  
  /* Font Weights */
  --weight-light: 300;
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  
  /* Line Heights */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 1.75;
  
  /* Letter Spacing */
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  
  /* === SPACING SCALE === */
  --space-xs: clamp(0.5rem, 0.45rem + 0.25vw, 0.625rem);
  --space-sm: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --space-md: clamp(1rem, 0.9rem + 0.5vw, 1.25rem);
  --space-lg: clamp(1.5rem, 1.35rem + 0.75vw, 2rem);
  --space-xl: clamp(2rem, 1.75rem + 1.25vw, 3rem);
  --space-2xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);
  --space-3xl: clamp(3rem, 2.5rem + 2.5vw, 5rem);
  --space-4xl: clamp(4rem, 3rem + 5vw, 6rem);
  --space-5xl: clamp(5rem, 4rem + 5vw, 8rem);
  
  /* === LAYOUT === */
  /* Container Sizes */
  --container-xs: 480px;
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;
  
  /* Border Radius */
  --radius-xs: 0.125rem;
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.15), 0 2px 4px -1px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.25), 0 10px 10px -5px rgba(0, 0, 0, 0.08);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 0 1px rgba(201, 166, 70, 0.3), 0 4px 12px rgba(201, 166, 70, 0.15);
  
  /* === TRANSITIONS MUSICALES === */
  --duration-fast: 0.15s;
  --duration-normal: 0.3s;
  --duration-slow: 0.6s;
  --duration-slower: 0.9s;
  --duration-musical: 1.2s;
  
  /* Easings inspirés du phrasé musical */
  --ease-linear: linear;
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-back: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  
  /* Nouveaux easings musicaux */
  --ease-crescendo: cubic-bezier(0.25, 0.46, 0.45, 0.94);  /* Montée progressive */
  --ease-legato: cubic-bezier(0.23, 1, 0.32, 1);           /* Fluidité continue */
  --ease-rubato: cubic-bezier(0.68, -0.55, 0.265, 1.55);   /* Timing expressif */
  
  /* === Z-INDEX SCALE === */
  --z-base: 0;
  --z-sticky: 10;
  --z-dropdown: 100;
  --z-modal: 1000;
  --z-popover: 1100;
  
  /* === NAVIGATION DIMENSIONS === */
  --nav-height: 90px;
  --nav-container-padding-y: var(--space-md);
  --nav-container-padding-x: var(--space-md);
  --nav-logo-size: var(--text-xl);
  --nav-link-size: var(--text-sm);
  
  /* Footer Dimensions */
  --footer-padding-y: var(--space-4xl);
  --footer-section-gap: var(--space-lg);
  --z-tooltip: 1200;
  --z-max: 9999;
  
  /* === GRADIENTS === */
  --gradient-accent: linear-gradient(135deg, var(--color-accent-base) 0%, var(--color-accent-light) 100%);
  --gradient-accent-hover: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent-lighter) 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(11, 14, 18, 0.8) 0%, rgba(11, 14, 18, 0.4) 100%);
  --gradient-hero: radial-gradient(ellipse at center, rgba(201, 166, 70, 0.08) 0%, transparent 70%);
  
  /* === BREAKPOINTS === */
  --bp-sm: 640px;
  --bp-md: 768px;
  --bp-lg: 1024px;
  --bp-xl: 1280px;
  --bp-2xl: 1536px;
}

/* === UTILITY CLASSES === */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Respect user motion preferences */
@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-fast: 0.01s;
    --duration-normal: 0.01s;
    --duration-slow: 0.01s;
    --duration-slower: 0.01s;
  }
  
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}