/* ============================================
   AURELIAN — Design Tokens
   Premium Men's Fashion eCommerce
   ============================================ */

:root {
  /* ── Brand Colors ── */
  --color-black: #0A0A0A;
  --color-charcoal: #1A1A1A;
  --color-dark: #2A2A2A;
  --color-graphite: #3A3A3A;
  --color-gray-dark: #555555;
  --color-gray: #8A8580;
  --color-gray-light: #B5B0AA;
  --color-gray-muted: #D0CCC7;
  --color-border: #E0DCD7;
  --color-sand: #E8E4DF;
  --color-ivory: #F5F0EB;
  --color-offwhite: #FAF8F5;
  --color-white: #FFFFFF;

  /* ── Accent ── */
  --color-gold: #C9A96E;
  --color-gold-light: #D4BA88;
  --color-gold-dark: #A8894E;
  --color-gold-bg: rgba(201, 169, 110, 0.08);
  --color-gold-border: rgba(201, 169, 110, 0.25);

  /* ── Functional ── */
  --color-success: #4A7C59;
  --color-error: #B44A4A;
  --color-warning: #C49A3C;
  --color-info: #4A6B8A;
  --color-sale: #B44A4A;

  /* ── Backgrounds ── */
  --bg-primary: var(--color-offwhite);
  --bg-secondary: var(--color-ivory);
  --bg-dark: var(--color-black);
  --bg-card: var(--color-white);
  --bg-overlay: rgba(10, 10, 10, 0.6);
  --bg-overlay-heavy: rgba(10, 10, 10, 0.8);

  /* ── Text ── */
  --text-primary: var(--color-black);
  --text-secondary: var(--color-gray-dark);
  --text-muted: var(--color-gray);
  --text-light: var(--color-gray-light);
  --text-inverse: var(--color-white);
  --text-gold: var(--color-gold);

  /* ── Typography ── */
  --font-serif: 'Playfair Display', 'Georgia', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --fs-xs: 0.6875rem;    /* 11px */
  --fs-sm: 0.75rem;      /* 12px */
  --fs-body-sm: 0.8125rem; /* 13px */
  --fs-body: 0.875rem;   /* 14px */
  --fs-md: 0.9375rem;    /* 15px */
  --fs-base: 1rem;       /* 16px */
  --fs-lg: 1.125rem;     /* 18px */
  --fs-xl: 1.25rem;      /* 20px */
  --fs-2xl: 1.5rem;      /* 24px */
  --fs-3xl: 1.875rem;    /* 30px */
  --fs-4xl: 2.25rem;     /* 36px */
  --fs-5xl: 3rem;        /* 48px */
  --fs-6xl: 3.75rem;     /* 60px */
  --fs-hero: clamp(2.5rem, 5vw, 4.5rem);

  --fw-light: 300;
  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --lh-tight: 1.15;
  --lh-snug: 1.3;
  --lh-normal: 1.5;
  --lh-relaxed: 1.7;

  --ls-tight: -0.02em;
  --ls-normal: 0;
  --ls-wide: 0.05em;
  --ls-wider: 0.1em;
  --ls-widest: 0.2em;

  /* ── Spacing ── */
  --space-2xs: 0.25rem;  /* 4px */
  --space-xs: 0.5rem;    /* 8px */
  --space-sm: 0.75rem;   /* 12px */
  --space-md: 1rem;      /* 16px */
  --space-lg: 1.5rem;    /* 24px */
  --space-xl: 2rem;      /* 32px */
  --space-2xl: 3rem;     /* 48px */
  --space-3xl: 4rem;     /* 64px */
  --space-4xl: 6rem;     /* 96px */
  --space-5xl: 8rem;     /* 128px */

  --section-padding: clamp(3rem, 6vw, 6rem);

  /* ── Layout ── */
  --container-max: 1320px;
  --container-narrow: 960px;
  --container-text: 720px;
  --header-height: 72px;
  --header-height-mobile: 60px;

  /* ── Borders ── */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;
  --border-thin: 1px solid var(--color-border);
  --border-dark: 1px solid var(--color-charcoal);

  /* ── Shadows ── */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.14);
  --shadow-card: 0 2px 12px rgba(0,0,0,0.05);
  --shadow-card-hover: 0 8px 30px rgba(0,0,0,0.10);

  /* ── Transitions ── */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-slower: 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* ── Z-index ── */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-header: 500;
  --z-overlay: 800;
  --z-modal: 900;
  --z-toast: 1000;
}