/* ==========================================================================
   Koha Service — Design Tokens
   Black & Gold premium theme. Change values here to re-skin the entire site.
   ========================================================================== */

:root {
  /* ---- Color: Black scale ---- */
  --c-black-950: #050505;
  --c-black-900: #0a0a0b;
  --c-black-850: #0f0f11;
  --c-black-800: #141416;
  --c-black-700: #1c1c1f;
  --c-black-600: #26262a;
  --c-black-500: #35353a;

  /* ---- Color: Gold scale ---- */
  --c-gold-100: #f8ecc4;
  --c-gold-200: #f0d789;
  --c-gold-300: #e6c368;
  --c-gold-400: #d4af37;   /* primary gold */
  --c-gold-500: #c9a227;
  --c-gold-600: #a3821c;
  --c-gold-700: #7a6115;

  /* ---- Neutrals ---- */
  --c-white: #f7f5f0;
  --c-off-white: #efece4;
  --c-grey-300: #b9b6ad;
  --c-grey-500: #8a877e;
  --c-grey-700: #5c5a54;

  /* ---- Semantic ---- */
  --color-bg: var(--c-black-950);
  --color-bg-alt: var(--c-black-900);
  --color-surface: var(--c-black-800);
  --color-border: rgba(212, 175, 55, 0.16);
  --color-border-strong: rgba(212, 175, 55, 0.35);
  --color-text: var(--c-white);
  --color-text-muted: var(--c-grey-300);
  --color-text-dim: var(--c-grey-500);
  --color-accent: var(--c-gold-400);
  --color-accent-soft: var(--c-gold-200);
  --color-accent-deep: var(--c-gold-600);

  /* ---- Gradients ---- */
  --grad-gold: linear-gradient(135deg, var(--c-gold-200) 0%, var(--c-gold-400) 45%, var(--c-gold-600) 100%);
  --grad-gold-soft: linear-gradient(135deg, rgba(212,175,55,0.25) 0%, rgba(212,175,55,0.02) 100%);
  --grad-dark-veil: linear-gradient(180deg, rgba(5,5,5,0.15) 0%, rgba(5,5,5,0.55) 55%, rgba(5,5,5,0.92) 100%);
  --grad-radial-glow: radial-gradient(circle at 50% 30%, rgba(212,175,55,0.16), transparent 60%);

  /* ---- Typography ---- */
  --font-heading: 'Space Grotesk', 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', 'Plus Jakarta Sans', sans-serif;

  --fs-display: clamp(2.75rem, 3vw + 2.2rem, 6.5rem);
  --fs-h1: clamp(2.5rem, 2.4vw + 1.8rem, 4.75rem);
  --fs-h2: clamp(2rem, 1.8vw + 1.5rem, 3.4rem);
  --fs-h3: clamp(1.4rem, 0.9vw + 1.1rem, 2rem);
  --fs-h4: clamp(1.15rem, 0.4vw + 1rem, 1.4rem);
  --fs-lead: clamp(1.05rem, 0.4vw + 0.95rem, 1.35rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-eyebrow: 0.8rem;

  --lh-tight: 1.05;
  --lh-heading: 1.15;
  --lh-body: 1.7;

  --ls-tight: -0.02em;
  --ls-wide: 0.18em;

  /* ---- Spacing scale ---- */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 9rem;

  --section-pad-y: clamp(5rem, 8vw, 9rem);
  --container-max: 1360px;
  --container-pad: clamp(1.25rem, 5vw, 3rem);

  /* ---- Radius & shadow ---- */
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --shadow-soft: 0 10px 40px rgba(0,0,0,0.45);
  --shadow-lift: 0 24px 60px rgba(0,0,0,0.55);
  --shadow-gold: 0 12px 40px rgba(212,175,55,0.18);

  /* ---- Motion ---- */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-in-out-cubic: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 0.25s;
  --dur-base: 0.5s;
  --dur-slow: 0.9s;

  /* ---- Z-index scale ---- */
  --z-preloader: 9000;
  --z-header: 800;
  --z-mobile-nav: 900;
  --z-modal: 950;
}