/* ============================================================
   DESIGN TOKENS — Alain Baylosis Portfolio
   Palette: deep navy authority + steel blue accent
   Signals: precision, infrastructure expertise, reliability
   ============================================================ */

:root,
[data-theme='light'] {
  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Surfaces — cool slate / off-white */
  --color-bg:              #f4f5f7;
  --color-surface:         #f9fafb;
  --color-surface-2:       #ffffff;
  --color-surface-offset:  #edf0f4;
  --color-surface-offset-2:#e3e8ef;
  --color-surface-dynamic: #d8dfe9;
  --color-divider:         #cdd4df;
  --color-border:          #bec7d6;

  /* Text */
  --color-text:         #111827;
  --color-text-muted:   #6b7280;
  --color-text-faint:   #b0b8c6;
  --color-text-inverse: #f9fafb;

  /* Primary — steel blue */
  --color-primary:           #1d6fa4;
  --color-primary-hover:     #155a85;
  --color-primary-active:    #0e4467;
  --color-primary-highlight: #d0e8f5;

  /* Accent — warm amber (for highlights only) */
  --color-accent:            #d97706;
  --color-accent-hover:      #b45309;
  --color-accent-highlight:  #fef3c7;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(17, 24, 39, 0.07);
  --shadow-md: 0 4px 12px rgba(17, 24, 39, 0.10);
  --shadow-lg: 0 12px 32px rgba(17, 24, 39, 0.14);

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow:  640px;
  --content-default: 960px;
  --content-wide:    1200px;

  /* Fonts */
  --font-display: 'Plus Jakarta Sans', 'Helvetica Neue', sans-serif;
  --font-body:    'Inter', 'Helvetica Neue', sans-serif;
}

[data-theme='dark'] {
  --color-bg:              #0d1117;
  --color-surface:         #161b22;
  --color-surface-2:       #1c2333;
  --color-surface-offset:  #1a2030;
  --color-surface-offset-2:#1f2638;
  --color-surface-dynamic: #2a3448;
  --color-divider:         #232d3f;
  --color-border:          #30394f;
  --color-text:            #e6edf3;
  --color-text-muted:      #8b949e;
  --color-text-faint:      #484f58;
  --color-text-inverse:    #0d1117;
  --color-primary:         #58a6dc;
  --color-primary-hover:   #3d8fbf;
  --color-primary-active:  #2578a8;
  --color-primary-highlight: #1c3a52;
  --color-accent:          #f0a040;
  --color-accent-hover:    #d9892a;
  --color-accent-highlight: #3d2d10;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.25);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.35);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.45);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:              #0d1117;
    --color-surface:         #161b22;
    --color-surface-2:       #1c2333;
    --color-surface-offset:  #1a2030;
    --color-surface-offset-2:#1f2638;
    --color-surface-dynamic: #2a3448;
    --color-divider:         #232d3f;
    --color-border:          #30394f;
    --color-text:            #e6edf3;
    --color-text-muted:      #8b949e;
    --color-text-faint:      #484f58;
    --color-text-inverse:    #0d1117;
    --color-primary:         #58a6dc;
    --color-primary-hover:   #3d8fbf;
    --color-primary-active:  #2578a8;
    --color-primary-highlight: #1c3a52;
    --color-accent:          #f0a040;
    --color-accent-hover:    #d9892a;
    --color-accent-highlight: #3d2d10;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.25);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.35);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.45);
  }
}