:root {
  /* Color */
  --color-ink: #16213A;
  --color-ink-soft: #4B5670;
  --color-paper: #FBF6EE;
  --color-paper-raised: #FFFFFF;
  --color-paper-sunken: #F1EADA;
  --color-accent: #E8632C;
  --color-accent-dark: #C24E1E;
  --color-accent-tint: #FBE3D6;
  --color-gold: #D9A441;
  --color-gold-tint: #F6E8C9;
  --color-success: #2F8F5B;
  --color-success-tint: #DCEEE3;
  --color-border: #E4DCCB;
  --color-border-strong: #CDC2A6;

  /* Type */
  --font-display: ui-serif, Georgia, "Iowan Old Style", "Times New Roman", serif;
  --font-body: ui-sans-serif, "Segoe UI", -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Mono", "SF Mono", Consolas, monospace;

  --step-caption: 0.8125rem;
  --step-body: 1rem;
  --step-body-lg: 1.125rem;
  --step-h4: 1.25rem;
  --step-h3: 1.6rem;
  --step-h2: clamp(1.9rem, 2.6vw, 2.4rem);
  --step-h1: clamp(2.4rem, 4.4vw, 3.6rem);

  /* Layout */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(22, 33, 58, 0.06);
  --shadow-md: 0 8px 24px rgba(22, 33, 58, 0.10);
  --shadow-lg: 0 20px 48px rgba(22, 33, 58, 0.16);
  --content-width: 1180px;
  --content-narrow: 760px;
}