:root {
  --bg: #f6f3ee;
  --paper: #fffdf9;
  --ink: #1a1714;
  --muted: #6b645c;
  --line: rgba(26,23,20,0.07);
  --accent: #bfa15f; /* warm gold */
  --accent-soft: #faf6eb;
  --gold: #9e7d3e;
  --shadow: 0 24px 60px rgba(26,23,20,0.07);
}
body.page-collagen { background: linear-gradient(160deg, #f6f3ee 0%, #ebe7dc 100%); }
.page-collagen .post-header { background: linear-gradient(135deg, #2a2220 0%, #4a3b2a 100%); }
.page-collagen .btn-primary { background: var(--accent); color: #161310; }
.page-collagen .btn-primary:hover { background: #a88952; }