/**
 * Motto Burger & Steak — Design Tokens
 * Premium agency-level CSS custom properties
 * @version 2.0.0
 */

:root {
  /* ═══════════════════════════════════════
     BRAND COLORS (strict palette)
     ═══════════════════════════════════════ */
  --motto-gold: #FFC400;
  --motto-gold-light: #FFD54F;
  --motto-black: #000000;
  --motto-dark: #111111;
  --motto-white: #FFFFFF;

  /* Semantic aliases */
  --motto-color-primary: var(--motto-gold);
  --motto-color-primary-hover: var(--motto-gold-light);
  --motto-color-bg: var(--motto-black);
  --motto-color-bg-elevated: var(--motto-dark);
  --motto-color-surface: var(--motto-dark);
  --motto-color-text: var(--motto-white);
  --motto-color-text-muted: rgba(255, 255, 255, 0.65);
  --motto-color-text-subtle: rgba(255, 255, 255, 0.45);
  --motto-color-border: rgba(255, 255, 255, 0.08);
  --motto-color-border-strong: rgba(255, 196, 0, 0.25);
  --motto-color-overlay: rgba(0, 0, 0, 0.72);
  --motto-color-glass: rgba(17, 17, 17, 0.65);
  --motto-color-glass-light: rgba(255, 255, 255, 0.04);
  --motto-color-gold-glow: rgba(255, 196, 0, 0.35);
  --motto-color-gold-subtle: rgba(255, 196, 0, 0.12);
  --motto-color-gold-faint: rgba(255, 196, 0, 0.06);

  /* Gradients (gold only) */
  --motto-gradient-gold: linear-gradient(135deg, var(--motto-gold) 0%, var(--motto-gold-light) 100%);
  --motto-gradient-gold-radial: radial-gradient(ellipse at center, rgba(255, 196, 0, 0.18) 0%, transparent 70%);
  --motto-gradient-dark: linear-gradient(180deg, var(--motto-black) 0%, var(--motto-dark) 100%);
  --motto-gradient-hero: linear-gradient(180deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.85) 60%, var(--motto-black) 100%);
  --motto-gradient-shine: linear-gradient(110deg, transparent 30%, rgba(255, 213, 79, 0.15) 50%, transparent 70%);
  --motto-gradient-border: linear-gradient(135deg, var(--motto-gold) 0%, rgba(255, 196, 0, 0.2) 50%, var(--motto-gold-light) 100%);

  /* ═══════════════════════════════════════
     TYPOGRAPHY
     ═══════════════════════════════════════ */
  --motto-font-display: 'Bebas Neue', 'Impact', sans-serif;
  --motto-font-body: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Fluid type scale (320px → 2560px) */
  --motto-text-xs: clamp(0.6875rem, 0.65rem + 0.15vw, 0.75rem);
  --motto-text-sm: clamp(0.8125rem, 0.78rem + 0.15vw, 0.875rem);
  --motto-text-base: clamp(0.9375rem, 0.9rem + 0.2vw, 1rem);
  --motto-text-md: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --motto-text-lg: clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);
  --motto-text-xl: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --motto-text-2xl: clamp(1.75rem, 1.45rem + 1.2vw, 2.35rem);
  --motto-text-3xl: clamp(2.25rem, 1.8rem + 2.2vw, 3.5rem);
  --motto-text-4xl: clamp(2.5rem, 2rem + 2vw, 3.75rem);
  --motto-text-5xl: clamp(2.75rem, 2.2rem + 2.5vw, 4.25rem);
  --motto-text-6xl: clamp(3rem, 2.4rem + 3vw, 5rem);
  --motto-text-7xl: clamp(3.25rem, 2.6rem + 3.5vw, 5.5rem);
  --motto-text-hero: clamp(3.25rem, 2.4rem + 5.5vw, 6.75rem);

  /* Line heights */
  --motto-leading-none: 1;
  --motto-leading-tight: 1.1;
  --motto-leading-snug: 1.25;
  --motto-leading-normal: 1.5;
  --motto-leading-relaxed: 1.65;
  --motto-leading-loose: 1.8;

  /* Letter spacing */
  --motto-tracking-tighter: -0.03em;
  --motto-tracking-tight: -0.015em;
  --motto-tracking-normal: 0;
  --motto-tracking-wide: 0.05em;
  --motto-tracking-wider: 0.1em;
  --motto-tracking-widest: 0.2em;
  --motto-tracking-display: 0.04em;

  /* Font weights */
  --motto-weight-light: 300;
  --motto-weight-regular: 400;
  --motto-weight-medium: 500;
  --motto-weight-semibold: 600;
  --motto-weight-bold: 700;

  /* ═══════════════════════════════════════
     SPACING SCALE (4px base)
     ═══════════════════════════════════════ */
  --motto-space-0: 0;
  --motto-space-px: 1px;
  --motto-space-0-5: 0.125rem;
  --motto-space-1: 0.25rem;
  --motto-space-1-5: 0.375rem;
  --motto-space-2: 0.5rem;
  --motto-space-2-5: 0.625rem;
  --motto-space-3: 0.75rem;
  --motto-space-3-5: 0.875rem;
  --motto-space-4: 1rem;
  --motto-space-5: 1.25rem;
  --motto-space-6: 1.5rem;
  --motto-space-7: 1.75rem;
  --motto-space-8: 2rem;
  --motto-space-9: 2.25rem;
  --motto-space-10: 2.5rem;
  --motto-space-11: 2.75rem;
  --motto-space-12: 3rem;
  --motto-space-14: 3.5rem;
  --motto-space-16: 4rem;
  --motto-space-18: 4.5rem;
  --motto-space-20: 5rem;
  --motto-space-24: 6rem;
  --motto-space-28: 7rem;
  --motto-space-32: 8rem;
  --motto-space-36: 9rem;
  --motto-space-40: 10rem;
  --motto-space-44: 11rem;
  --motto-space-48: 12rem;
  --motto-space-52: 13rem;
  --motto-space-56: 14rem;
  --motto-space-60: 15rem;
  --motto-space-64: 16rem;
  --motto-space-72: 18rem;
  --motto-space-80: 20rem;
  --motto-space-96: 24rem;

  /* Section spacing */
  --motto-section-y: clamp(var(--motto-space-16), 8vw, var(--motto-space-32));
  --motto-section-y-lg: clamp(var(--motto-space-24), 12vw, var(--motto-space-48));
  --motto-gutter: clamp(var(--motto-space-4), 4vw, var(--motto-space-8));
  --motto-container-max: 1400px;
  --motto-container-narrow: 900px;
  --motto-container-wide: 1600px;

  /* ═══════════════════════════════════════
     BREAKPOINTS (reference — use in media queries)
     320 | 375 | 480 | 640 | 768 | 1024 | 1280 | 1440 | 1920 | 2560
     ═══════════════════════════════════════ */
  --motto-bp-xs: 320px;
  --motto-bp-sm: 480px;
  --motto-bp-md: 768px;
  --motto-bp-lg: 1024px;
  --motto-bp-xl: 1280px;
  --motto-bp-2xl: 1440px;
  --motto-bp-3xl: 1920px;
  --motto-bp-4xl: 2560px;

  /* ═══════════════════════════════════════
     BORDER RADIUS
     ═══════════════════════════════════════ */
  --motto-radius-none: 0;
  --motto-radius-sm: 4px;
  --motto-radius-md: 8px;
  --motto-radius-lg: 12px;
  --motto-radius-xl: 16px;
  --motto-radius-2xl: 24px;
  --motto-radius-3xl: 32px;
  --motto-radius-full: 9999px;

  /* ═══════════════════════════════════════
     SHADOWS
     ═══════════════════════════════════════ */
  --motto-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.4);
  --motto-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
  --motto-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --motto-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --motto-shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.55);
  --motto-shadow-2xl: 0 24px 64px rgba(0, 0, 0, 0.6);
  --motto-shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.3);
  --motto-shadow-gold: 0 4px 24px rgba(255, 196, 0, 0.25);
  --motto-shadow-gold-lg: 0 8px 40px rgba(255, 196, 0, 0.35);
  --motto-shadow-gold-glow: 0 0 60px rgba(255, 196, 0, 0.2);
  --motto-shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45), 0 0 0 1px var(--motto-color-border);
  --motto-shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.55), 0 0 0 1px var(--motto-color-border-strong);
  --motto-shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.06);

  /* ═══════════════════════════════════════
     TRANSITIONS & EASING
     ═══════════════════════════════════════ */
  --motto-ease-default: cubic-bezier(0.4, 0, 0.2, 1);
  --motto-ease-in: cubic-bezier(0.4, 0, 1, 1);
  --motto-ease-out: cubic-bezier(0, 0, 0.2, 1);
  --motto-ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --motto-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --motto-ease-smooth: cubic-bezier(0.25, 0.1, 0.25, 1);
  --motto-ease-expo-out: cubic-bezier(0.16, 1, 0.3, 1);
  --motto-ease-expo-in-out: cubic-bezier(0.87, 0, 0.13, 1);
  --motto-ease-back-out: cubic-bezier(0.34, 1.2, 0.64, 1);

  --motto-duration-instant: 100ms;
  --motto-duration-fast: 200ms;
  --motto-duration-normal: 300ms;
  --motto-duration-moderate: 450ms;
  --motto-duration-slow: 600ms;
  --motto-duration-slower: 800ms;
  --motto-duration-slowest: 1200ms;

  --motto-transition-fast: var(--motto-duration-fast) var(--motto-ease-default);
  --motto-transition-normal: var(--motto-duration-normal) var(--motto-ease-default);
  --motto-transition-slow: var(--motto-duration-slow) var(--motto-ease-expo-out);
  --motto-transition-spring: var(--motto-duration-moderate) var(--motto-ease-spring);
  --motto-transition-smooth: var(--motto-duration-slow) var(--motto-ease-smooth);

  /* ═══════════════════════════════════════
     Z-INDEX SCALE
     ═══════════════════════════════════════ */
  --motto-z-behind: -1;
  --motto-z-base: 0;
  --motto-z-raised: 1;
  --motto-z-dropdown: 100;
  --motto-z-sticky: 200;
  --motto-z-header: 300;
  --motto-z-overlay: 400;
  --motto-z-modal: 500;
  --motto-z-popover: 600;
  --motto-z-tooltip: 700;
  --motto-z-cursor: 9000;
  --motto-z-skip: 10000;

  /* ═══════════════════════════════════════
     LAYOUT
     ═══════════════════════════════════════ */
  --motto-header-height: 80px;
  --motto-header-height-scrolled: 68px;
  --motto-menu-sidebar-width: 280px;
  --motto-menu-sidebar-width-lg: 320px;

  /* ═══════════════════════════════════════
     GLASS MORPHISM
     ═══════════════════════════════════════ */
  --motto-glass-blur: 20px;
  --motto-glass-blur-heavy: 32px;
  --motto-glass-bg: rgba(17, 17, 17, 0.72);
  --motto-glass-border: 1px solid rgba(255, 255, 255, 0.08);
  --motto-glass-border-gold: 1px solid rgba(255, 196, 0, 0.2);

  /* ═══════════════════════════════════════
     FOCUS RING
     ═══════════════════════════════════════ */
  --motto-focus-ring: 0 0 0 3px rgba(255, 196, 0, 0.45);
  --motto-focus-ring-offset: 2px;
}

/* Ultra-wide displays */
@media (min-width: 1920px) {
  :root {
    --motto-header-height: 88px;
    --motto-header-height-scrolled: 76px;
  }
}

/* Reduced motion token overrides */
@media (prefers-reduced-motion: reduce) {
  :root {
    --motto-duration-instant: 0ms;
    --motto-duration-fast: 0ms;
    --motto-duration-normal: 0ms;
    --motto-duration-moderate: 0ms;
    --motto-duration-slow: 0ms;
    --motto-duration-slower: 0ms;
    --motto-duration-slowest: 0ms;
  }
}