/* Guia visual do contramarco. Os desenhos são esquemáticos e não têm escala. */
.cm-guide{margin:0 0 72px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;scroll-margin-top:24px}
.cm-header{padding:40px 40px 26px;background:#f0f3f8}
.cm-header h3{font-size:clamp(30px,3.2vw,45px);line-height:1.15;max-width:700px;margin:12px 0 18px}
.cm-guide p{font-size:14px;line-height:1.8;color:var(--muted);max-width:none}
.cm-header p{max-width:760px;margin:0}.cm-header strong{color:var(--ink)}
.cm-stage-layout{display:grid;grid-template-columns:.9fr 1.1fr;background:#f0f3f8;align-items:center;gap:30px;padding:0 40px 36px}
.cm-stage-buttons{display:grid;gap:10px}.cm-stage-buttons button{display:flex;gap:15px;align-items:center;padding:17px 18px;border:1px solid #c8d2e0;border-radius:7px;background:#fff;color:var(--ink);text-align:left;min-height:65px}
.cm-stage-buttons button>span{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;border:1px solid #c8d2e0;font-size:12px;flex-shrink:0}
.cm-stage-buttons button b{font-size:14px;font-weight:600}.cm-stage-buttons button[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}.cm-stage-buttons button[aria-pressed=true]>span{background:#ffac70;color:#19325b;border-color:#ffac70}
.cm-stage-caption{min-height:100px;margin-top:18px}.cm-stage-caption b{color:var(--ink);font-size:15px}.cm-stage-caption p{margin:8px 0 0}
.cm-drawing{display:block;position:relative;width:100%;padding:0;background:#f7f9fc;border:1px solid #dce2eb;border-radius:8px;overflow:hidden;text-align:left;color:var(--ink)}
.cm-drawing img{display:block;width:100%;height:auto;aspect-ratio:680/460;object-fit:contain}.cm-drawing>span{position:absolute;bottom:12px;right:12px;background:#fff;padding:8px 12px;border:1px solid #dce2eb;border-radius:4px;font-size:11px}
.cm-figure{margin:0;min-width:0}.cm-figure>figcaption{font-size:11px;line-height:1.7;margin-top:12px;color:var(--muted)}
.cm-content{padding:36px 40px 40px}.cm-content h4{font:27px/1.25 Georgia,serif;font-weight:400;margin:0 0 22px}.cm-benefits{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-bottom:26px}.cm-benefit{border-top:2px solid var(--gold);padding-top:17px}.cm-benefit b{font-size:14px;line-height:1.5;display:block}.cm-benefit p{font-size:13px;margin:8px 0 0}
.cm-sealing{display:flex;gap:14px;align-items:flex-start;padding:20px 24px;background:#edf4f7;border-radius:6px;margin:0 0 40px}.cm-sealing>span{font-size:23px;color:#2d6375;line-height:1.3}.cm-sealing p{margin:0;font-size:13px}.cm-sealing strong{color:var(--ink)}
.cm-technical{display:grid;grid-template-columns:1fr 1fr;gap:28px}.cm-technical article{min-width:0}.cm-technical h5{font-size:16px;line-height:1.5;margin:7px 0 10px}.cm-technical article>p{font-size:13px}.cm-technical .eyebrow{font-size:9px}.cm-legend{padding:0;margin:16px 0 0;list-style:none;display:grid;gap:10px}.cm-legend li{display:flex;gap:10px;font-size:12px;line-height:1.7;color:var(--muted)}.cm-legend li>span{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;flex-shrink:0;background:#e6eaf1;color:var(--ink);font-size:11px;font-weight:700}.cm-legend li:nth-child(2)>span{background:#fff0df;color:#9c4000}.cm-legend b{color:var(--ink)}
.cm-construction-note{font-size:12px!important;padding:18px 22px;margin:28px 0 22px!important;border-left:3px solid var(--gold);background:#fff5ed}.cm-faq{padding:18px 0}.cm-faq summary{font-size:14px;font-weight:600}.cm-faq p{font-size:13px;margin-bottom:0}.cm-footer{margin-top:20px;display:flex;align-items:flex-start;justify-content:space-between;gap:25px;flex-wrap:wrap}.cm-footer .guide-cta{margin:0}.cm-sources{padding:0;border:0;flex:1;min-width:220px}.cm-sources summary{font-size:11px;line-height:1.7;color:var(--muted)}.cm-sources ul{padding-left:16px}.cm-sources li{font-size:11px;line-height:1.8;margin:5px 0}.cm-sources a{text-decoration:underline;text-underline-offset:3px}.cm-jump{display:flex;align-items:center;gap:12px;padding:17px 20px;margin:20px 0;border:1px solid #e6d1bd;border-left:3px solid var(--gold);border-radius:5px;background:#fff8f1;font-size:13px;line-height:1.6;color:var(--ink)}.cm-jump svg{width:28px;height:28px;flex-shrink:0}.cm-jump strong{display:block;font-size:13px}.cm-jump span>span{font-size:12px;color:var(--muted)}.family-comparison .cm-jump{padding:13px;margin-bottom:0;font-size:12px}
@media(max-width:1000px){.cm-benefits{grid-template-columns:1fr 1fr}.cm-stage-layout{grid-template-columns:1fr 1.1fr;gap:20px}.cm-header,.cm-content{padding-left:28px;padding-right:28px}.cm-stage-layout{padding-left:28px;padding-right:28px}.cm-stage-caption{min-height:140px}}
@media(max-width:760px){.cm-guide{margin-bottom:45px}.cm-header{padding:26px 20px 22px}.cm-header h3{font-size:32px}.cm-stage-layout{grid-template-columns:1fr;padding:0 20px 25px;gap:15px}.cm-stage-buttons{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.cm-stage-buttons button{display:flex;flex-direction:column;align-items:flex-start;padding:12px 9px;gap:9px;min-height:95px}.cm-stage-buttons button>span{width:25px;height:25px;font-size:11px}.cm-stage-buttons button b{font-size:11px;line-height:1.5;max-width:100%;hyphens:auto;overflow-wrap:break-word}.cm-stage-caption{min-height:120px;margin:16px 0 0}.cm-stage-caption p{font-size:13px}.cm-content{padding:28px 20px}.cm-content h4{font-size:25px}.cm-benefits{gap:20px 16px}.cm-benefit b{font-size:13px}.cm-benefit p{font-size:12px}.cm-sealing{padding:18px 16px;margin-bottom:30px;gap:10px}.cm-technical{grid-template-columns:1fr;gap:32px}.cm-drawing>span{font-size:10px;bottom:8px;right:8px;padding:6px 9px}.cm-technical h5{font-size:17px}.cm-footer{gap:24px}.cm-footer .guide-cta{display:block;width:100%;text-align:center}.cm-construction-note{padding:15px 17px}.cm-jump{padding:15px 16px}}
