/* P21 additions use the site's existing fonts, colours and layout. */
.p21-choice{margin:0 0 24px;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--blue-50)}
.p21-choice h2{font-size:22px;margin:0 0 10px}
.p21-choice-links{display:flex;flex-wrap:wrap;gap:10px}
.p21-calculator{min-width:0;max-width:100%}
.p21-calc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.p21-calc-grid label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--ink-2);min-width:0}
.p21-calc-grid input,.p21-calc-grid select{width:100%;min-width:0;padding:10px 12px;border:1px solid var(--line-2);border-radius:6px;background:#fff;color:var(--ink);font:inherit}
.p21-calc-grid input:focus,.p21-calc-grid select:focus{outline:2px solid var(--blue-500);outline-offset:2px}
.p21-details{border:1px solid var(--line);border-radius:8px;padding:14px;margin:16px 0;background:#fff}
.p21-details summary{cursor:pointer;font-weight:600;color:var(--blue-800)}
.p21-details[open] summary{margin-bottom:14px}
.p21-details p,.p21-hint{font-size:13px;line-height:1.65;color:var(--ink-2);margin:12px 0}
.p21-calc-error{font-size:13px;line-height:1.5;color:var(--ink-2);min-height:40px;margin:14px 0}
.p21-calc-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0}
.p21-calc-results div{background:var(--blue-50);padding:12px;border-radius:8px;min-width:0}
.p21-calc-results dt{font-size:12px;color:var(--ink-2)}
.p21-calc-results dd{margin:5px 0 0;font-size:18px;font-weight:600;color:var(--blue-900);overflow-wrap:anywhere}
.p21-calculator .btn{white-space:normal;max-width:100%;text-align:center}
.p21-checklist{margin:20px 0;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--blue-50)}
.p21-checklist h2,.p21-reading-action h2{font-size:23px;margin:0 0 12px}
.p21-checklist ul,.p21-reading-action ul{padding-left:20px;line-height:1.7;margin:12px 0 16px}
.p21-reading-action{margin:28px 0;padding:22px;border:1px solid var(--line);border-left:4px solid var(--blue-600);border-radius:8px;background:var(--blue-50)}
.p21-reading-action p{line-height:1.7}
.p21-reading-links{margin:14px 0}
.p21-reading-links li{margin:8px 0}
.p21-reading-links a{font-size:14px;text-decoration:underline;text-underline-offset:3px}
.p21-details .lead-grid{margin-top:12px}
.p21-product-calc{margin:24px 0}
@media(max-width:600px){.p21-calc-grid,.p21-calc-results{grid-template-columns:1fr}.p21-choice,.p21-reading-action,.p21-checklist{padding:16px}.p21-choice-links .btn{width:100%;white-space:normal}.p21-calc-results dd{font-size:20px}}