/* Fron SRL - CSS Custom Properties */
/* Design System Variables */

:root {
  /* Primary Colors - Oro elegante */
  --color-primary-900: #3D2C0F;
  --color-primary-800: #5C4319;
  --color-primary-700: #7A5A23;
  --color-primary-600: #9A722D;
  --color-primary-500: #C4A747;
  --color-primary-400: #D4B95E;
  --color-primary-300: #E0CA7F;
  --color-primary-200: #EBDBA0;
  --color-primary-100: #F5ECC1;

  /* Secondary Colors - Oro chiaro/accenti */
  --color-secondary-900: #4A3C1A;
  --color-secondary-800: #6B5628;
  --color-secondary-700: #8C7136;
  --color-secondary-600: #B8954A;
  --color-secondary-500: #D4AF37;
  --color-secondary-400: #E0C55B;
  --color-secondary-300: #EBD67F;
  --color-secondary-200: #F3E5A3;
  --color-secondary-100: #FAF3C7;

  /* Accent Colors - Oro brillante per highlights */
  --color-accent-900: #5A4A1F;
  --color-accent-800: #7A6429;
  --color-accent-700: #9A7E33;
  --color-accent-600: #BA983D;
  --color-accent-500: #DAB247;
  --color-accent-400: #E5C461;
  --color-accent-300: #EDD67B;
  --color-accent-200: #F4E495;
  --color-accent-100: #FBF2AF;

  /* Neutral Grays */
  --color-neutral-950: #0A0A0A;
  --color-neutral-900: #171717;
  --color-neutral-800: #262626;
  --color-neutral-700: #404040;
  --color-neutral-600: #525252;
  --color-neutral-500: #737373;
  --color-neutral-400: #A3A3A3;
  --color-neutral-300: #D4D4D4;
  --color-neutral-200: #E5E5E5;
  --color-neutral-100: #F5F5F5;
  --color-neutral-50: #FAFAFA;
  --color-neutral-0: #FFFFFF;

  /* Warm Dark Surfaces - depth instead of pure black */
  --surface-0: #0a0806;
  --surface-1: #0c0a07;
  --surface-2: #110f0b;
  --surface-3: #16130d;

  /* Semantic Colors */
  --color-success: #22C55E;
  --color-warning: #F59E0B;
  --color-error: #EF4444;
  --color-info: #3B82F6;

  /* Font Families */
  --font-heading: 'Outfit', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Outfit', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', Courier, monospace;

  /* Font Sizes - Desktop */
  --text-xs: 0.75rem;
  /* 12px */
  --text-sm: 0.875rem;
  /* 14px */
  --text-base: 1rem;
  /* 16px */
  --text-lg: 1.125rem;
  /* 18px */
  --text-xl: 1.25rem;
  /* 20px */
  --text-2xl: 1.5rem;
  /* 24px */
  --text-3xl: 1.875rem;
  /* 30px */
  --text-4xl: 2.25rem;
  /* 36px */
  --text-5xl: 3rem;
  /* 48px */
  --text-6xl: 3.75rem;
  /* 60px */
  --text-7xl: 4.5rem;
  /* 72px */
  --text-8xl: 6rem;
  /* 96px */

  /* Font Weights */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  --font-black: 900;

  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;

  /* Letter Spacing */
  --tracking-tighter: -0.05em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;

  /* Spacing Scale (base: 4px) */
  --space-0: 0;
  --space-1: 0.25rem;
  /* 4px */
  --space-2: 0.5rem;
  /* 8px */
  --space-3: 0.75rem;
  /* 12px */
  --space-4: 1rem;
  /* 16px */
  --space-5: 1.25rem;
  /* 20px */
  --space-6: 1.5rem;
  /* 24px */
  --space-8: 2rem;
  /* 32px */
  --space-10: 2.5rem;
  /* 40px */
  --space-12: 3rem;
  /* 48px */
  --space-16: 4rem;
  /* 64px */
  --space-20: 5rem;
  /* 80px */
  --space-24: 6rem;
  /* 96px */
  --space-32: 8rem;
  /* 128px */
  --space-40: 10rem;
  /* 160px */
  --space-48: 12rem;
  /* 192px */
  --space-64: 16rem;
  /* 256px */

  /* Section Spacing */
  --section-padding-y-mobile: var(--space-16);
  /* 64px */
  --section-padding-y-tablet: var(--space-24);
  /* 96px */
  --section-padding-y-desktop: var(--space-32);
  /* 128px */

  --section-padding-x-mobile: var(--space-4);
  /* 16px */
  --section-padding-x-tablet: var(--space-6);
  /* 24px */
  --section-padding-x-desktop: var(--space-8);
  /* 32px */

  /* Breakpoints (for reference in JS) */
  --breakpoint-sm: 480px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-3xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(10, 7, 0, 0.45);
  --shadow-md: 0 4px 10px -2px rgba(10, 7, 0, 0.5), 0 2px 4px -1px rgba(10, 7, 0, 0.4);
  --shadow-lg: 0 12px 24px -6px rgba(8, 6, 0, 0.55), 0 4px 8px -3px rgba(8, 6, 0, 0.4);
  --shadow-xl: 0 22px 40px -8px rgba(8, 6, 0, 0.6), 0 8px 14px -6px rgba(8, 6, 0, 0.4);
  --shadow-2xl: 0 32px 60px -14px rgba(6, 4, 0, 0.7);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-index layers */
  --z-dropdown: 100;
  --z-sticky: 500;
  --z-fixed: 800;
  --z-modal-backdrop: 900;
  --z-modal: 1000;
  --z-popover: 1100;
  --z-tooltip: 1200;

  /* Z-index - overlays (replaces arbitrary 9999) */
  --z-noise: 700;
  --z-progress: 1300;
  --z-skip: 1400;
  --z-cookie: 1500;
  --z-fab: 1900;
  --z-loader: 2000;

  /* Metallic Gold Gradients - Realistic reflections */
  --gradient-gold-text: linear-gradient(90deg,
      #7a5c00 0%,
      #c9a227 20%,
      #f6e27a 40%,
      #ffd95a 50%,
      #f6e27a 60%,
      #c9a227 80%,
      #7a5c00 100%);

  --gradient-gold-bg: linear-gradient(135deg,
      #6e5200 0%,
      #b8962e 25%,
      #cfae3c 40%,
      #ffe27a 50%,
      #cfae3c 60%,
      #b8962e 75%,
      #6e5200 100%);

  --gradient-gold-button: linear-gradient(to bottom,
      #8f6b00 0%,
      #d4af37 25%,
      #fff2a6 45%,
      #e0b94b 55%,
      #b8962e 75%,
      #7a5c00 100%);

  --gradient-gold-shine: linear-gradient(to right,
      #7a5c00,
      #c9a227,
      #f6e27a,
      #ffd95a,
      #f6e27a,
      #c9a227,
      #7a5c00);
}

/* Responsive Typography - Mobile */
@media (max-width: 768px) {
  :root {
    --text-7xl: 2.5rem;
    /* 40px invece di 72px */
    --text-5xl: 2rem;
    /* 32px invece di 48px */
    --text-4xl: 1.75rem;
    /* 28px invece di 36px */
    --text-3xl: 1.5rem;
    /* 24px invece di 30px */
    --text-8xl: 3rem;
    /* 48px invece di 96px per numeri verdi */
  }
}