/* Print-only overrides for formula sheets, mnemonic charts and DPPs */
@page { margin: 14mm; }
body { background: #fff !important; }
.site-header, .site-footer, .module-tabs, .no-print, .nav-toggle, .hero-cta, #waWidgetRoot, .wa-fab, .wa-popup { display: none !important; }
.hero { background: none !important; color: #111 !important; padding: 10px 0 !important; }
.hero .eyebrow, .hero p.lead { color: #333 !important; }
.formula-sheet { background: #fff !important; color: #111 !important; border: 1.5px solid #111; }
.formula-sheet h4 { color: #111 !important; }
.formula-item { background: #f4f4f4 !important; border: 1px solid #ccc !important; color: #111 !important; }
.formula-item .f-name { color: #555 !important; }
a { color: #111 !important; text-decoration: none !important; }
.callout, .card, .qbox, .unit-block { break-inside: avoid; border-color: #ccc !important; }
details { break-inside: avoid; }
details > summary { list-style: none; }
details[open] summary ~ * { display: block; }