/* ================================================
   KAMYAB DESIGN SYSTEM — Variables & Tokens
   Premium & Trust-Evoking Edition
   ================================================ */

:root {
  /* Brand Colors — refined for trust & authority */
  --color-primary: #B8312F;
  --color-primary-hover: #9A2824;
  --color-primary-light: #D9524E;
  --color-primary-glow: rgba(184, 49, 47, 0.10);
  --color-primary-subtle: rgba(184, 49, 47, 0.05);

  /* Accent — warm gold for premium feel */
  --color-accent: #D4A843;
  --color-accent-hover: #C49A38;
  --color-accent-light: rgba(212, 168, 67, 0.15);

  /* Dark Palette — deeper, more authoritative */
  --color-dark: #0B0D14;
  --color-dark-surface: #141722;
  --color-dark-card: #1A1E2E;
  --color-dark-border: rgba(255, 255, 255, 0.06);
  --color-dark-hover: rgba(255, 255, 255, 0.03);

  /* Light Palette — clean and spacious */
  --color-light: #FEFCF9;
  --color-light-surface: #FFFFFF;
  --color-light-alt: #F8F6F2;
  --color-light-border: rgba(0, 0, 0, 0.06);

  /* Text — refined contrast hierarchy */
  --color-text: #111827;
  --color-text-secondary: #4B5563;
  --color-text-muted: #9CA3AF;
  --color-text-on-dark: #F3F4F6;
  --color-text-on-dark-muted: rgba(255, 255, 255, 0.55);

  /* Typography — refined scale */
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --fs-display: clamp(2.75rem, 5vw, 4.25rem);
  --fs-h1: clamp(2.25rem, 4vw, 3.25rem);
  --fs-h2: clamp(1.6rem, 3vw, 2.5rem);
  --fs-h3: clamp(1.2rem, 2vw, 1.5rem);
  --fs-h4: 1.125rem;
  --fs-body: 1rem;
  --fs-body-lg: 1.125rem;
  --fs-small: 0.875rem;
  --fs-xs: 0.75rem;

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --lh-tight: 1.15;
  --lh-normal: 1.6;
  --lh-relaxed: 1.75;

  --ls-tight: -0.025em;
  --ls-normal: 0;
  --ls-wide: 0.06em;
  --ls-wider: 0.1em;

  /* Spacing — generous for breathing room */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 2.5rem;
  --space-3xl: 3rem;
  --space-4xl: 4rem;
  --space-5xl: 5rem;
  --space-section: clamp(3rem, 6vw, 5rem);

  /* Layout */
  --container-max: 1240px;
  --container-narrow: 880px;
  --container-pad: clamp(1.25rem, 4vw, 2.5rem);

  /* Radii — slightly more refined */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* Shadows — layered for depth and realism */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 4px 10px -3px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 50px -12px rgba(0, 0, 0, 0.12);
  --shadow-2xl: 0 25px 60px -15px rgba(0, 0, 0, 0.18);
  --shadow-glow: 0 0 50px rgba(184, 49, 47, 0.08);
  --shadow-glow-strong: 0 0 80px rgba(184, 49, 47, 0.15);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 0 0 1px rgba(0,0,0,0.02);
  --shadow-card-hover: 0 12px 40px -8px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.04);

  /* Transitions — smoother */
  --transition-fast: 150ms ease;
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 500ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Z-index scale */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-tooltip: 500;
}