/* ==========================================================================
   KAIRO DESIGN BUREAU — DESIGN TOKENS & VARIABLES
   Extracted strictly from the official KAIRO brand identity & logo
   ========================================================================== */

:root {
  /* -------------------------------------------------------------------------
     BRAND PALETTE (Exact match to official KAIRO feather logo)
     ------------------------------------------------------------------------- */
  /* Primary Pitch Black & Obsidian Dark Surfaces */
  --bg-pitch: #040405;
  --bg-dark: #070709;
  --bg-surface: #0e0e13;
  --bg-card: #13131a;
  --bg-card-hover: #191924;
  --bg-glass: rgba(14, 14, 19, 0.72);
  --bg-glass-heavy: rgba(7, 7, 9, 0.92);

  /* Gold Color Hierarchy */
  --gold-primary: #e5a93c;         /* Core Gold from logo */
  --gold-highlight: #f5b942;       /* Bright Feather Tip & i-dot Gold */
  --gold-light: #ffd470;           /* Top Shimmer Light */
  --gold-dark: #c68218;            /* Deep Ochre / Mid Shadow */
  --gold-shadow: #8f5405;          /* Deep Amber Feather Crease */
  --gold-dim: #9e620d;             /* Subdued Bronze / Neutral */

  /* Gold Gradients */
  --grad-gold: linear-gradient(135deg, #ffd470 0%, #f5b942 25%, #e5a93c 60%, #c68218 85%, #8f5405 100%);
  --grad-gold-subtle: linear-gradient(135deg, rgba(245, 185, 66, 0.15) 0%, rgba(229, 169, 60, 0.05) 100%);
  --grad-gold-radial: radial-gradient(circle at 50% 50%, rgba(245, 185, 66, 0.18) 0%, rgba(7, 7, 9, 0) 70%);
  --grad-dark-card: linear-gradient(180deg, rgba(25, 25, 36, 0.8) 0%, rgba(14, 14, 19, 0.95) 100%);
  --grad-hero-overlay: radial-gradient(ellipse at 50% 20%, rgba(229, 169, 60, 0.14) 0%, rgba(4, 4, 5, 0.95) 75%);

  /* Pure White & Monochrome Neutrals */
  --text-white: #ffffff;           /* Pure White from logo 'K' & 'kairo' */
  --text-silver: #f4f4f6;          /* Silver off-white */
  --text-muted: #9e9ea8;           /* Clean muted typography */
  --text-dim: #636372;             /* Dim labels & metadata */
  --text-dark: #08080a;

  /* Borders & Glow Effects */
  --border-gold: rgba(229, 169, 60, 0.22);
  --border-gold-glow: rgba(245, 185, 66, 0.6);
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-subtle-hover: rgba(255, 255, 255, 0.2);
  --glow-gold-sm: 0 0 15px rgba(229, 169, 60, 0.25);
  --glow-gold-md: 0 0 30px rgba(229, 169, 60, 0.35);
  --glow-gold-lg: 0 0 60px rgba(229, 169, 60, 0.45);

  /* -------------------------------------------------------------------------
     TYPOGRAPHY (Standard Premium Fonts)
     ------------------------------------------------------------------------- */
  --font-display: 'Plus Jakarta Sans', 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Space Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Typography Scales */
  --fs-hero: clamp(3.2rem, 8vw, 8.5rem);
  --fs-display: clamp(2.4rem, 5.8vw, 5.8rem);
  --fs-title: clamp(1.8rem, 3.6vw, 3.6rem);
  --fs-h2: clamp(1.4rem, 2.4vw, 2.4rem);
  --fs-h3: clamp(1.15rem, 1.6vw, 1.6rem);
  --fs-body-lg: clamp(1.1rem, 1.25vw, 1.35rem);
  --fs-body: 1rem;
  --fs-body-sm: 0.875rem;
  --fs-tag: 0.75rem;

  --lh-tight: 0.95;
  --lh-display: 1.05;
  --lh-title: 1.2;
  --lh-body: 1.65;

  --ls-tight: -0.04em;
  --ls-normal: -0.01em;
  --ls-wide: 0.08em;
  --ls-ultra-wide: 0.22em;

  /* -------------------------------------------------------------------------
     SPACING & LAYOUT
     ------------------------------------------------------------------------- */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --space-2xl: 8rem;
  --space-3xl: 12rem;

  --container-max: 1560px;
  --container-narrow: 1180px;
  --container-pad: clamp(1.25rem, 4.5vw, 4.5rem);

  /* -------------------------------------------------------------------------
     ANIMATIONS & TIMINGS
     ------------------------------------------------------------------------- */
  --ease-editorial: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 0.2s;
  --duration-normal: 0.4s;
  --duration-slow: 0.8s;
  --duration-cinematic: 1.2s;

  /* -------------------------------------------------------------------------
     Z-INDEX SYSTEM
     ------------------------------------------------------------------------- */
  --z-negative: -1;
  --z-base: 1;
  --z-elevated: 10;
  --z-sticky: 100;
  --z-header: 500;
  --z-drawer: 800;
  --z-overlay: 900;
  --z-modal: 1000;
  --z-cursor: 9999;
}