/* ─── Design Tokens ─────────────────────────────── */
:root {
  /* ── Primary palette ── */
  --c-blue:        #1B5FCC;
  --c-blue-light:  #3B82F6;
  --c-blue-bg:     #EEF4FF;
  --c-blue-border: #BFDBFE;

  --c-teal:        #0E8A6E;
  --c-teal-light:  #10B981;
  --c-teal-bg:     #ECFDF5;
  --c-teal-border: #A7F3D0;

  --c-indigo:        #4338CA;
  --c-indigo-light:  #6366F1;
  --c-indigo-bg:     #EEF2FF;
  --c-indigo-border: #C7D2FE;

  --c-amber:        #D97706;
  --c-amber-light:  #F59E0B;
  --c-amber-bg:     #FEF3C7;
  --c-amber-border: #FCD34D;

  --c-purple:        #7C3AED;
  --c-purple-light:  #8B5CF6;
  --c-purple-bg:     #F5F3FF;
  --c-purple-border: #DDD6FE;

  --c-rose:        #E11D48;
  --c-rose-light:  #FB7185;
  --c-rose-bg:     #FFF1F2;
  --c-rose-border: #FECDD3;

  --c-orange:        #C2410C;
  --c-orange-light:  #EA580C;
  --c-orange-bg:     #FFF7ED;
  --c-orange-border: #FED7AA;

  --c-red:        #DC2626;
  --c-red-bg:     #FEF2F2;
  --c-red-border: #FECACA;

  /* ── Neutral palette ── */
  --c-dark:   #0F172A;
  --c-mid:    #475569;
  --c-pale:   #94A3B8;
  --c-muted:  #CBD5E1;
  --c-border: #E2E8F0;
  --c-bg:     #F8FAFC;
  --c-white:  #FFFFFF;

  /* ── Cover gradients ── */
  --grad-blue:   linear-gradient(135deg, #1E40AF 0%, #1B5FCC 60%, #2563EB 100%);
  --grad-teal:   linear-gradient(135deg, #065F46 0%, #0E8A6E 60%, #059669 100%);
  --grad-indigo: linear-gradient(135deg, #312E81 0%, #4338CA 60%, #4F46E5 100%);
  --grad-amber:  linear-gradient(135deg, #92400E 0%, #D97706 60%, #F59E0B 100%);
  --grad-purple: linear-gradient(135deg, #4C1D95 0%, #7C3AED 60%, #8B5CF6 100%);
  --grad-slate:  linear-gradient(135deg, #0F172A 0%, #1E293B 60%, #334155 100%);
  --grad-rose:   linear-gradient(135deg, #9F1239 0%, #E11D48 60%, #FB7185 100%);
  --grad-orange: linear-gradient(135deg, #7C2D12 0%, #C2410C 60%, #EA580C 100%);

  /* ── Spacing scale ── */
  --sp-1:  4px;
  --sp-2:  8px;
  --sp-3:  12px;
  --sp-4:  16px;
  --sp-5:  20px;
  --sp-6:  24px;
  --sp-7:  28px;
  --sp-8:  32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-14: 56px;
  --sp-16: 64px;

  /* ── Type scale ── */
  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-lg:   1.125rem;
  --fs-xl:   1.25rem;
  --fs-2xl:  1.5rem;
  --fs-3xl:  1.875rem;
  --fs-4xl:  2.25rem;
  --fs-5xl:  3rem;
  --fs-6xl:  3.75rem;

  /* ── Border radius ── */
  --r-sm:   6px;
  --r-md:   10px;
  --r-lg:   14px;
  --r-xl:   20px;
  --r-2xl:  28px;
  --r-full: 9999px;

  /* ── Shadows ── */
  --sh-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --sh-md:  0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.06);
  --sh-lg:  0 10px 28px rgba(0,0,0,.10), 0 4px 8px rgba(0,0,0,.06);
  --sh-xl:  0 20px 48px rgba(0,0,0,.12), 0 8px 16px rgba(0,0,0,.06);

  /* ── Transitions ── */
  --t-fast: 150ms ease;
  --t-mid:  250ms ease;
  --t-slow: 350ms ease;

  /* ── Slide layout ── */
  --slide-header-h: 72px;
  --slide-nav-h:    72px;
  --slide-pad-x:    56px;
}