:root {
  /* Dark Rust Palette — inspired by https://www.figma.com/color-palettes/dark-rust/ */
  --color-bg-primary: #1a1210;
  --color-bg-secondary: #241916;
  --color-bg-card: #2e1f1a;
  --color-bg-card-hover: #3a2721;
  --color-bg-surface: #1f1512;

  --color-rust: #c0440a;
  --color-rust-light: #d95f22;
  --color-rust-dim: #8b3009;
  --color-rust-glow: rgba(192, 68, 10, 0.18);

  --color-terracotta: #b5522b;
  --color-amber: #e07b2a;
  --color-copper: #a0522d;

  --color-text-primary: #f0e4d8;
  --color-text-secondary: #c8b4a4;
  --color-text-muted: #8a7060;
  --color-text-accent: #d95f22;

  --color-border: rgba(192, 68, 10, 0.2);
  --color-border-strong: rgba(192, 68, 10, 0.45);
  --color-divider: rgba(240, 228, 216, 0.06);

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-heading: 'Space Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

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

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45), 0 1px 4px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 30px rgba(192, 68, 10, 0.12);
  --shadow-rust: 0 4px 20px rgba(192, 68, 10, 0.25);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 260ms ease;
  --transition-slow: 400ms ease;

  /* Layout */
  --container-max: 1200px;
  --nav-height: 68px;
}