/* BWD installation-guide design system — scoped to the universal marker. */
[data-guide="instructions"]{--brown:#443017;--green:#5C6927;--orange:#C06A25;--cream:#F1EBE0;--gray:#D4D4D4;--ink:#302c24;--muted:#655f54;--line:#dedbd4;color:var(--ink);font:16px/1.62 "Lato",Arial,Helvetica,sans-serif;max-width:1180px;margin:0 auto;background:#fff;display:grid;grid-template-columns:235px minmax(0,1fr);border-left:1px solid var(--line);border-right:1px solid var(--line)}
[data-guide="instructions"], [data-guide="instructions"] *{box-sizing:border-box}
[data-guide="instructions"] button{font:inherit;cursor:pointer}
[data-guide="instructions"] aside{border-right:1px solid var(--line);padding:30px 14px 25px;position:sticky;top:20px;height:calc(100vh - 40px);overflow-y:auto;background:#fcfbf8}
[data-guide="instructions"] .eyebrow,[data-guide="instructions"] .section-label{font-size:12px;letter-spacing:.55px;text-transform:uppercase;font-weight:800;color:var(--green)}
[data-guide="instructions"] aside .eyebrow{padding:0 11px}
[data-guide="instructions"] aside h2{font-size:21px;color:var(--brown);line-height:1.2;margin:7px 11px 23px}
[data-guide="instructions"] nav button{border:0;background:none;width:100%;display:flex;align-items:center;text-align:left;gap:12px;padding:13px 11px;border-radius:5px;color:#554f43;font-size:13px;font-weight:700;line-height:1.3}
[data-guide="instructions"] nav button span{font-size:17px;color:#a7a78c;font-weight:800}
[data-guide="instructions"] nav button.active{background:#eeefe5;color:var(--brown);border-left:4px solid var(--green);padding-left:7px}
[data-guide="instructions"] nav button:hover{background:#f2efe6}
[data-guide="instructions"] .aside-note{margin:30px 9px 0;background:var(--cream);padding:15px;border-left:3px solid var(--orange);font-size:12px;color:var(--brown);border-radius:4px}
[data-guide="instructions"] .content{min-width:0}
[data-guide="instructions"] .hero{background:var(--cream);color:var(--brown);padding:43px clamp(22px,4.6vw,58px) 35px;border-bottom:4px solid var(--green)}
[data-guide="instructions"] .hero h1{font:800 clamp(31px,3.6vw,48px)/1.12 "Lato",Arial,Helvetica,sans-serif;letter-spacing:-.015em;max-width:690px;margin:10px 0 15px;color:var(--brown)}
[data-guide="instructions"] .hero p{color:#514c3e;max-width:650px;font-size:17px;line-height:1.55;margin:0}

[data-guide="instructions"] .hero-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,320px);gap:26px;align-items:end}
[data-guide="instructions"] .hero-copy{min-width:0}
[data-guide="instructions"] .hero-art{display:flex;justify-content:flex-end;align-items:flex-end}
[data-guide="instructions"] .hero-art img{display:block;width:min(100%,310px);height:auto;object-fit:contain;filter:drop-shadow(0 10px 18px rgba(68,48,23,.12))}
[data-guide="instructions"] .meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
[data-guide="instructions"] .meta span{color:var(--green);font-size:11px;letter-spacing:.15px;font-weight:800;background:#fff;padding:7px 10px;border:1px solid #ded8c7;border-radius:4px}
[data-guide="instructions"] .chapter{padding:35px clamp(22px,4.6vw,58px) 70px;max-width:1050px}
[data-guide="instructions"] .intro{font-size:18px;line-height:1.6;color:#4d4a41;margin:0 0 25px}
[data-guide="instructions"] .notice{background:#fbf3e9;border-left:5px solid var(--orange);border-radius:4px;padding:19px 22px;margin:25px 0 38px}
[data-guide="instructions"] .notice strong{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.25px;color:#89501e}
[data-guide="instructions"] .notice p{margin:6px 0 0;font-size:14px;color:#493e30}
[data-guide="instructions"] .section-label{margin:41px 0 9px}
[data-guide="instructions"] .chapter h2{font:800 clamp(24px,2.5vw,31px)/1.16 "Lato",Arial,Helvetica,sans-serif;letter-spacing:-.01em;margin:0 0 15px;color:var(--brown)}
[data-guide="instructions"] .chapter h3{font-size:19px;line-height:1.27;margin:0 0 8px;color:var(--brown);font-weight:800}
[data-guide="instructions"] .chapter p{color:#504b42}
[data-guide="instructions"] .diagram{border:1px solid var(--line);border-radius:7px;padding:21px;background:#fbfaf7;display:grid;grid-template-columns:1fr 1.1fr;gap:24px;align-items:center;margin:22px 0}
[data-guide="instructions"] .diagram img{width:100%;max-height:210px;object-fit:contain}
[data-guide="instructions"] .diagram small{display:block;color:#777063;font-size:12px}
[data-guide="instructions"] .steps{display:grid;gap:17px;margin-top:24px}
[data-guide="instructions"] .step{display:grid;grid-template-columns:52px minmax(0,1fr);gap:16px;padding:22px;border:1px solid var(--line);border-radius:7px;background:#fff;border-top:3px solid var(--green);box-shadow:0 3px 12px #4430170a}
[data-guide="instructions"] .num{font-size:29px;line-height:1;color:#9fa983;font-weight:800}
[data-guide="instructions"] .step p{margin:0;font-size:15px;line-height:1.65}
[data-guide="instructions"] .tip{margin-top:14px;font-size:13px;color:#4b512f;background:#f0f1e8;border-left:3px solid var(--green);border-radius:3px;padding:11px 14px}
[data-guide="instructions"] .tip::before{content:'INSTALLATION TIP';display:block;font-size:10px;letter-spacing:.25px;font-weight:800;color:var(--green);margin-bottom:4px}
[data-guide="instructions"] .visual{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:24px 0}
[data-guide="instructions"] .visual figure{margin:0;border:1px solid var(--line);border-radius:7px;overflow:hidden;background:#faf9f6}
[data-guide="instructions"] .visual img{display:block;width:100%;height:230px;object-fit:cover}
[data-guide="instructions"] .visual figcaption{padding:12px 14px;font-size:12px;color:#655e52}
[data-guide="instructions"] .bottom{border-top:2px solid var(--line);margin-top:43px;padding-top:23px;display:flex;justify-content:space-between;gap:12px}
[data-guide="instructions"] .btn{border:1px solid var(--green);background:#fff;color:var(--green);padding:11px 15px;border-radius:5px;font-weight:800;font-size:13px}
[data-guide="instructions"] .btn.primary{background:var(--green);color:#fff;border-color:var(--green)}
[data-guide="instructions"] .btn:hover{filter:brightness(.94)}
[data-guide="instructions"] .muted{color:#857c6f;font-size:12px}
[data-guide="instructions"] .chapter-page{display:none}
[data-guide="instructions"] .chapter-page.active{display:block}
[data-guide="instructions"] .placeholder{background:var(--cream);padding:28px;border-radius:7px;margin-top:26px}
[data-guide="instructions"] .mobile-menu{display:none}
.site-preview{padding:17px 25px;background:#443017;color:white;display:flex;justify-content:space-between;gap:12px;font:700 12px "Lato",Arial,sans-serif;letter-spacing:.05em}.site-preview small{font-weight:400;letter-spacing:0;color:#e8dcca}
@media(max-width:850px){[data-guide="instructions"]{display:block;border:0}[data-guide="instructions"] aside{display:none;position:fixed;top:0;left:0;bottom:0;width:min(310px,85vw);height:100vh;background:white;z-index:30;box-shadow:5px 8px 25px #0003}[data-guide="instructions"] aside.open{display:block}[data-guide="instructions"] .mobile-menu{display:inline-block;border:1px solid #bec6a3;background:#fff;color:var(--green);border-radius:4px;padding:8px 12px;margin-bottom:22px;font-weight:800;font-size:13px}[data-guide="instructions"] .hero{padding:31px 24px}[data-guide="instructions"] .hero-layout{grid-template-columns:1fr;gap:18px}[data-guide="instructions"] .hero-art{justify-content:flex-start}[data-guide="instructions"] .hero-art img{width:min(100%,250px)}[data-guide="instructions"] .chapter{padding:28px 22px 60px}[data-guide="instructions"] .diagram{grid-template-columns:1fr}[data-guide="instructions"] .visual{grid-template-columns:1fr}[data-guide="instructions"] .step{padding:17px;grid-template-columns:38px 1fr}[data-guide="instructions"] .num{font-size:24px}.site-preview small{display:none}}
@media(max-width:480px){[data-guide="instructions"] .bottom{flex-direction:column}[data-guide="instructions"] .btn{width:100%}[data-guide="instructions"] .hero h1{font-size:32px}}

[data-guide="instructions"] .visual img.contain{object-fit:contain;background:#fff;height:310px;padding:8px}
[data-guide="instructions"] .checklist{padding-left:24px;line-height:1.8;color:#443017}
[data-guide="instructions"] .checklist li{margin-bottom:8px}
[data-guide="instructions"] .step strong{color:#443017}

/* v0.5: readable, clickable technical illustrations */
[data-guide="instructions"] .diagram{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:26px;align-items:start;padding:22px}
[data-guide="instructions"] .diagram img{display:block;width:100%;height:auto;max-height:390px;object-fit:contain;cursor:zoom-in;background:#fff;border:1px solid #e8e4db;border-radius:5px}
[data-guide="instructions"] img[role="button"]:focus-visible{outline:3px solid var(--orange);outline-offset:4px}
[data-guide="instructions"] .image-zoom-hint{display:block;text-align:center;font:700 12px/1.5 "Lato",Arial,sans-serif;color:var(--green);padding:8px 0 0}
[data-guide="instructions"] .visual img{cursor:zoom-in}
@media(max-width:980px){[data-guide="instructions"] .diagram{grid-template-columns:1fr}[data-guide="instructions"] .diagram img{max-height:none;max-width:100%}}
.bwd-image-lightbox[hidden]{display:none!important}
.bwd-image-lightbox{position:fixed;inset:0;z-index:999999;background:rgba(22,18,14,.94);color:#fff;display:flex;flex-direction:column;font-family:"Lato",Arial,sans-serif}
.bwd-lightbox-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 18px;background:#251d16;min-height:62px}
.bwd-lightbox-caption{font-size:14px;line-height:1.4;max-width:65ch}
.bwd-lightbox-actions{display:flex;align-items:center;gap:7px;flex-shrink:0}
.bwd-lightbox-actions button{font:700 16px "Lato",Arial,sans-serif;min-width:40px;min-height:40px;padding:7px 11px;background:#fff;color:#443017;border:0;border-radius:5px;cursor:pointer}
.bwd-lightbox-actions button:hover{background:#f1ebe0}
.bwd-lightbox-actions [data-zoom="reset"]{font-size:12px;min-width:58px}
.bwd-lightbox-actions .bwd-lightbox-close{background:#c06a25;color:#fff;margin-left:8px}
.bwd-lightbox-stage{flex:1;min-height:0;overflow:auto;display:flex;align-items:safe center;justify-content:safe center;padding:20px;overscroll-behavior:contain}
.bwd-lightbox-stage img{display:block;max-width:none;max-height:none;width:auto;height:auto;object-fit:contain;background:#fff;box-shadow:0 8px 45px #0006}
.bwd-lightbox-help{text-align:center;font-size:12px;color:#e7d8c9;padding:8px 12px;background:#251d16}
@media(max-width:600px){.bwd-lightbox-toolbar{padding:10px;flex-wrap:wrap}.bwd-lightbox-caption{font-size:12px;width:100%}.bwd-lightbox-actions{margin-left:auto}.bwd-lightbox-stage{padding:10px}.bwd-lightbox-help{font-size:11px}}

/* v0.6: image layouts designed for their content, without empty grid cells */
[data-guide="instructions"] .technical-panel{display:block;padding:20px 22px 23px;margin:18px 0 27px;background:#fbfaf7}
[data-guide="instructions"] .diagram-image-frame{position:relative;display:flex;align-items:center;justify-content:center;max-width:100%;background:#fff;border:1px solid #e8e4db;border-radius:5px;overflow:hidden}
[data-guide="instructions"] .technical-panel .diagram-image-frame{padding:12px;min-height:340px}
[data-guide="instructions"] .technical-panel .diagram-image-frame img{display:block;width:auto;max-width:100%;max-height:540px;height:auto;object-fit:contain;border:0;background:transparent;cursor:zoom-in}
[data-guide="instructions"] .zoom-overlay{position:absolute;right:12px;top:12px;pointer-events:none;background:rgba(68,48,23,.93);color:#fff;border-radius:4px;padding:7px 10px;font-size:12px;font-weight:800;line-height:1.1}
[data-guide="instructions"] .diagram-description{padding:18px 3px 0;max-width:780px}
[data-guide="instructions"] .diagram-description p{margin:9px 0 0}
[data-guide="instructions"] .butt-visual{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(230px,.8fr);gap:24px;align-items:center;padding:20px;border:1px solid var(--line);border-radius:7px;background:#fbfaf7;margin:20px 0 28px}
[data-guide="instructions"] .butt-visual .diagram-image-frame{padding:10px}
[data-guide="instructions"] .butt-visual img{display:block;width:100%;height:auto;max-height:500px;object-fit:contain;cursor:zoom-in}
[data-guide="instructions"] .butt-description p{margin:10px 0}
[data-guide="instructions"] .chapter-page>.steps{margin-bottom:42px}
[data-guide="instructions"] .chapter-page>h2{margin-top:35px}
@media(max-width:850px){[data-guide="instructions"] .butt-visual{grid-template-columns:1fr}[data-guide="instructions"] .technical-panel .diagram-image-frame{min-height:0}[data-guide="instructions"] .technical-panel .diagram-image-frame img{max-height:480px}}
@media(max-width:480px){[data-guide="instructions"] .technical-panel{padding:12px}[data-guide="instructions"] .technical-panel .diagram-image-frame{padding:4px}[data-guide="instructions"] .zoom-overlay{top:7px;right:7px}}
/* v0.7: scrollable chapter layout */
html{scroll-behavior:smooth}body{margin:0;background:#f5f3ee}
[data-guide="instructions"]{max-width:1320px;grid-template-columns:250px minmax(0,1fr);min-height:100vh}
[data-guide="instructions"] aside{top:0;height:100vh}
[data-guide="instructions"] nav a{display:flex;gap:12px;align-items:flex-start;padding:12px 10px;text-decoration:none;color:#554f43;font-size:13px;font-weight:700;line-height:1.3;border-radius:5px}
[data-guide="instructions"] nav a span:first-child{color:#9a9f7b;font-size:16px;font-weight:900}
[data-guide="instructions"] nav a.active,[data-guide="instructions"] nav a:hover{background:#eeefe5;color:#443017}
[data-guide="instructions"] nav a.active{border-left:4px solid #5c6927;padding-left:6px}
[data-guide="instructions"] .hero{padding:38px clamp(24px,4vw,54px) 28px}
[data-guide="instructions"] .hero h1{font-size:clamp(32px,3.2vw,44px);margin:8px 0 8px}
[data-guide="instructions"] .hero p{font-size:15px}
[data-guide="instructions"] .hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
[data-guide="instructions"] .hero-actions .btn{text-decoration:none;font-size:12px;padding:9px 12px}
[data-guide="instructions"] .chapter{padding-top:0;padding-bottom:30px;max-width:none}
[data-guide="instructions"] .guide-section{padding:36px 0 45px;border-bottom:1px solid #ddd9d0;scroll-margin-top:12px}
[data-guide="instructions"] .chapter-kicker{font-size:11px;letter-spacing:1.2px;color:#5c6927;font-weight:900;margin-bottom:8px}
[data-guide="instructions"] .guide-section h2{margin-bottom:10px}
[data-guide="instructions"] .section-intro{font-size:16px;margin:0 0 22px;max-width:760px}
[data-guide="instructions"] .steps{gap:12px;margin-top:16px}
[data-guide="instructions"] .step{padding:17px 20px;grid-template-columns:42px 1fr;gap:14px;border-top-width:2px;box-shadow:none}
[data-guide="instructions"] .step h3{font-size:17px;margin:0 0 5px}
[data-guide="instructions"] .step p{font-size:14px;line-height:1.55}
[data-guide="instructions"] .editorial-note{font-size:12px!important;color:#9c5b26!important;margin-top:7px!important;font-style:italic}
[data-guide="instructions"] .quick-links{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px}
[data-guide="instructions"] .quick-links a,[data-guide="instructions"] .resource-link a{color:#526026;font-weight:800;font-size:13px}
[data-guide="instructions"] .video-frame{position:relative;width:100%;aspect-ratio:16/9;background:#29251e;border-radius:8px;overflow:hidden}
[data-guide="instructions"] .video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
[data-guide="instructions"] .resource-link{margin:12px 0 28px;font-size:13px}
[data-guide="instructions"] .resource-link span{color:#a49b8a;margin:0 8px}
[data-guide="instructions"] .gallery-heading{margin:27px 0 12px!important;font-size:18px!important}
[data-guide="instructions"] .gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}
[data-guide="instructions"] .gallery figure,[data-guide="instructions"] .wide-figure{margin:0;border:1px solid #e2dfd7;border-radius:8px;overflow:hidden;background:#fbfaf7}
[data-guide="instructions"] .gallery img{width:100%;height:250px;object-fit:contain;background:white;display:block;cursor:zoom-in;padding:8px}
[data-guide="instructions"] .gallery figcaption,[data-guide="instructions"] .wide-figure figcaption{font-size:12px;color:#625e54;padding:10px 13px;border-top:1px solid #ece8e0}
[data-guide="instructions"] .gallery-technical figure:first-child{grid-column:span 2}
[data-guide="instructions"] .gallery-technical figure:first-child img{height:340px}
[data-guide="instructions"] .gallery-help{font-size:12px;margin:0 0 12px;color:#777065}
[data-guide="instructions"] .spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:18px 0 22px}
[data-guide="instructions"] .spec{background:#f5f5ee;border:1px solid #e2e4d8;padding:18px;border-radius:7px}
[data-guide="instructions"] .spec-name{font-size:11px;letter-spacing:1px;font-weight:900;color:#5c6927}
[data-guide="instructions"] .spec-value{font-size:36px;font-weight:900;color:#443017;line-height:1.35}
[data-guide="instructions"] .spec-value span{font-size:17px}
[data-guide="instructions"] .spec p{font-size:13px;margin:5px 0 0}
[data-guide="instructions"] .wide-figure img{width:100%;max-height:500px;object-fit:contain;display:block;background:#fff;cursor:zoom-in}
[data-guide="instructions"] .note{background:#f1ebe0;padding:14px 18px;border-left:3px solid #c06a25;font-size:13px;margin-top:18px}
[data-guide="instructions"] .upcoming{background:#faf9f6;margin:18px -20px;padding:24px 20px;border:1px dashed #d8d2c5;border-radius:8px}
[data-guide="instructions"] .upcoming p{font-size:14px;margin:0}
[data-guide="instructions"] .footer{font-size:12px;color:#837b6e;padding:25px 0 15px}
[data-guide="instructions"] img[role="button"]:focus-visible{outline:3px solid #c06a25;outline-offset:-3px}
@media(max-width:850px){[data-guide="instructions"] aside{top:0;height:100vh}[data-guide="instructions"] .chapter{padding:0 22px 35px}}
@media(max-width:580px){[data-guide="instructions"] .gallery{grid-template-columns:1fr}[data-guide="instructions"] .gallery-technical figure:first-child{grid-column:auto}[data-guide="instructions"] .gallery img,[data-guide="instructions"] .gallery-technical figure:first-child img{height:auto;max-height:340px}[data-guide="instructions"] .spec-grid{grid-template-columns:1fr}[data-guide="instructions"] .step{padding:14px;grid-template-columns:32px 1fr}[data-guide="instructions"] .step h3{font-size:16px}[data-guide="instructions"] .upcoming{margin-left:0;margin-right:0}}

/* v0.8: single compact gallery, including printable reference */
[data-guide="instructions"] .gallery-compact{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:12px}
[data-guide="instructions"] .gallery-compact img{height:175px;padding:5px}
[data-guide="instructions"] .gallery-compact figcaption{padding:7px 9px;font-size:11px}
[data-guide="instructions"] .pdf-gallery-card{border:1px solid #d9d5c9;border-radius:8px;background:#f1ebe0;min-height:215px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:10px;padding:16px;color:#443017;text-decoration:none}
[data-guide="instructions"] .pdf-icon{display:grid;place-items:center;width:55px;height:66px;border:2px solid #5c6927;border-radius:5px;color:#5c6927;font-weight:900;font-size:18px;background:white}
[data-guide="instructions"] .pdf-gallery-card strong{font-size:14px}
[data-guide="instructions"] .pdf-sub{font-size:11px;color:#5c6927}
@media(max-width:700px){[data-guide="instructions"] .gallery-compact{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:450px){[data-guide="instructions"] .gallery-compact{grid-template-columns:1fr 1fr;gap:8px}[data-guide="instructions"] .gallery-compact img{height:145px}}

/* v0.9: compact, expandable Chapter 03 reference */
[data-guide="instructions"] .clip-reference-thumbnail{width:min(100%,290px);margin:14px 0 16px;border:1px solid #e2dfd7;border-radius:8px;overflow:hidden;background:#fff}
[data-guide="instructions"] .clip-reference-thumbnail img{display:block;width:100%;height:155px;object-fit:contain;cursor:zoom-in;padding:6px}
[data-guide="instructions"] .clip-reference-thumbnail figcaption{font-size:11px;color:#625e54;padding:7px 9px;border-top:1px solid #ece8e0}
[data-guide="instructions"] .step p a{color:#5C6927;font-weight:700;text-decoration:underline;text-underline-offset:2px}

/* v1.0 preparation, featured navigation, compact clip reference and perimeter methods */
[data-guide="instructions"] .prep-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0}
[data-guide="instructions"] .prep-card{border:1px solid #e3e1d8;background:#f8f8f3;border-radius:7px;padding:18px}
[data-guide="instructions"] .prep-card h3{margin:0 0 10px;font-size:17px}
[data-guide="instructions"] .prep-card ul{padding-left:20px;margin:0}
[data-guide="instructions"] .prep-card li{margin:7px 0;font-size:14px;line-height:1.45}
[data-guide="instructions"] .prep-card p{font-size:14px;line-height:1.55;margin:0}
[data-guide="instructions"] .subheading{font-size:20px;margin:25px 0 12px}
[data-guide="instructions"] .prep-checks{display:grid;grid-template-columns:1fr 1fr;gap:9px 20px;font-size:14px;color:#443017}
[data-guide="instructions"] .adhesive-note{background:#f1ebe0;border-left:3px solid #c06a25;padding:17px 19px;margin-top:23px;font-size:14px}
[data-guide="instructions"] .adhesive-note p{margin:7px 0 0;line-height:1.55}
[data-guide="instructions"] .next-chapter{margin:18px 0 0;font-size:14px;font-weight:800}
[data-guide="instructions"] .next-chapter a{color:#5c6927}
[data-guide="instructions"] .clip-detail-row{display:grid;grid-template-columns:minmax(180px,290px) 1fr;gap:15px;align-items:stretch;margin:12px 0 0}
[data-guide="instructions"] .clip-detail-row .clip-reference-thumbnail{width:100%;margin:0}
[data-guide="instructions"] .clip-detail-row .note{margin:0;display:flex;align-items:center;line-height:1.55}
[data-guide="instructions"] .method-list{display:grid;gap:10px}
[data-guide="instructions"] .method{border:1px solid #ddd9ce;border-radius:8px;background:#fff;overflow:hidden}
[data-guide="instructions"] .method summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;padding:16px 18px}
[data-guide="instructions"] .method summary::-webkit-details-marker{display:none}
[data-guide="instructions"] .method summary strong{font-size:16px;color:#443017;display:block}
[data-guide="instructions"] .method summary small{font-size:12px;color:#736c60;display:block;margin-top:4px}
[data-guide="instructions"] .method-number{font-size:20px;font-weight:900;color:#8c9a67}
[data-guide="instructions"] .method-plus{margin-left:auto;color:#5c6927;font-size:23px;font-weight:700}
[data-guide="instructions"] .method-plus:after{content:"+"}
[data-guide="instructions"] .method[open] .method-plus:after{content:"−"}
[data-guide="instructions"] .method-body{padding:4px 22px 20px;border-top:1px solid #eee9e0}
[data-guide="instructions"] .method-body ol{padding-left:25px;margin:12px 0}
[data-guide="instructions"] .method-body li{font-size:14px;line-height:1.6;margin:10px 0;padding-left:4px}
[data-guide="instructions"] .method-figure{margin:14px 0 0;max-width:310px;border:1px solid #e3e1d8;border-radius:7px;overflow:hidden}
[data-guide="instructions"] .method-figure img{width:100%;max-height:230px;object-fit:contain;cursor:zoom-in;display:block}
[data-guide="instructions"] .method-figure figcaption{font-size:11px;padding:8px;color:#625e54}
[data-guide="instructions"] .easing-heading{margin-top:35px}
[data-guide="instructions"] .easing-intro{background:#f1ebe0;border-left:3px solid #5c6927;padding:16px 19px;font-size:14px}
[data-guide="instructions"] .easing-intro p{margin:7px 0 0;line-height:1.55}
[data-guide="instructions"] .easing-gap{font-size:14px}
@media(max-width:650px){[data-guide="instructions"] .prep-grid,[data-guide="instructions"] .prep-checks,[data-guide="instructions"] .clip-detail-row{grid-template-columns:1fr}[data-guide="instructions"] .clip-detail-row .clip-reference-thumbnail{max-width:290px}}

/* Chapter 02: bold label only; active highlight remains exclusive to current chapter. */
[data-guide="instructions"] nav a[data-featured="true"] span:last-child{font-weight:900}

/* Chapter 06: compact expandable instructional tips */
[data-guide="instructions"] .ch06-accordions{display:grid;gap:10px;margin-top:20px}
[data-guide="instructions"] .ch06-method summary{cursor:pointer}
[data-guide="instructions"] .ch06-body{padding-top:14px}
[data-guide="instructions"] .ch06-body p{font-size:14px;line-height:1.65;margin:8px 0 12px}
[data-guide="instructions"] .ch06-figure{max-width:330px;margin-top:14px}
[data-guide="instructions"] .ch06-figure img{max-height:230px;object-fit:contain;background:white}
[data-guide="instructions"] .ch06-figure:has(img[src$="ch06_fascia_diagrams.png"]){max-width:380px}

/* Chapter 07: compact technical accordions, consistent with Chapter 06 */
.ch07-body h3{font-size:1.04rem;line-height:1.35;margin:1.2rem 0 .4rem;color:#443017}
.ch07-body h3:first-child{margin-top:0}
.ch07-body ul{padding-left:1.35rem;margin:.3rem 0 .9rem}
.ch07-body li{margin:.25rem 0;line-height:1.55}
.ch07-figure{max-width:460px;margin:.85rem 0 1.15rem}
.ch07-figure img{display:block;max-width:100%;width:100%;height:auto;object-fit:contain;cursor:zoom-in}
.ch07-figure figcaption{font-size:.78rem;color:#6b6255;margin-top:.3rem}
.ch07-resource{border-left:3px solid #5C6927;padding:.6rem .8rem;background:#f5f5ed;margin:1rem 0}
.ch07-final-resource{padding:.8rem 1rem;background:#F1EBE0;border-radius:8px;margin-top:1rem}
.ch07-resource a,.ch07-final-resource a{color:#205A36;text-decoration:underline;text-underline-offset:2px}
@media(max-width:600px){.ch07-figure{max-width:100%}}

/* v1.5: use desktop horizontal space and keep all media in their related subsections */
[data-guide="instructions"] .ch07-body{display:flow-root;min-width:0;overflow-wrap:anywhere}
[data-guide="instructions"] .ch07-body h3{clear:both;display:flow-root;padding-top:.35rem}
[data-guide="instructions"] .ch07-body .ch07-figure{float:right;clear:right;width:38%;max-width:330px;margin:.15rem 0 .9rem 1.3rem;box-sizing:border-box}
[data-guide="instructions"] .ch07-body .ch07-figure img{max-height:280px;object-fit:contain;background:#fff}
[data-guide="instructions"] .ch07-body .ch07-figure figcaption{line-height:1.35;overflow-wrap:break-word}
[data-guide="instructions"] .ch07-body p,[data-guide="instructions"] .ch07-body li{overflow-wrap:anywhere}
[data-guide="instructions"] .ch07-body .ch07-resource{clear:both}
@media(max-width:700px){
 [data-guide="instructions"] .ch07-body .ch07-figure{float:none;clear:both;width:100%;max-width:420px;margin:.75rem auto 1rem}
 [data-guide="instructions"] .ch07-body .ch07-figure img{max-height:350px}
}

/* v1.6 Chapters 08–09: compact expandable guidance and media integrated with text */
[data-guide="instructions"] .ch08-body,[data-guide="instructions"] .ch09-body{display:flow-root;min-width:0;overflow-wrap:anywhere}
[data-guide="instructions"] .ch08-body p,[data-guide="instructions"] .ch09-body p{font-size:14px;line-height:1.62;margin:11px 0}
[data-guide="instructions"] .ch08-body p:first-child,[data-guide="instructions"] .ch09-body p:first-child{margin-top:7px}
[data-guide="instructions"] .ch08-body ul,[data-guide="instructions"] .ch09-body ol{padding-left:1.25rem;margin:.4rem 0 .85rem}
[data-guide="instructions"] .ch08-body li,[data-guide="instructions"] .ch09-body li{font-size:14px;line-height:1.6;margin:5px 0}
[data-guide="instructions"] .ch08-links{clear:both;background:#f5f5ed;border-left:3px solid #5C6927;padding:10px 13px;margin-top:13px;font-size:13px}
[data-guide="instructions"] .ch08-links ul{margin:7px 0 0;padding-left:18px}
[data-guide="instructions"] .ch08-links a{color:#205A36;text-underline-offset:2px}
[data-guide="instructions"] .ch09-body h3{font-size:15px;color:#443017;margin:14px 0 5px;line-height:1.3}
[data-guide="instructions"] .ch09-figure{float:right;clear:right;width:39%;max-width:350px;margin:4px 0 12px 18px;box-sizing:border-box}
[data-guide="instructions"] .ch09-figure img{width:100%;height:auto;max-height:290px;object-fit:contain;display:block;cursor:zoom-in}
[data-guide="instructions"] .ch09-figure figcaption{font-size:11px;line-height:1.4;margin:0;padding:6px 8px}
[data-guide="instructions"] .ch09-resource{margin-top:18px;background:#F1EBE0;border-left:4px solid #5C6927;border-radius:7px;padding:17px 19px}
[data-guide="instructions"] .ch09-resource p{font-size:14px;margin:7px 0 10px;line-height:1.6}
[data-guide="instructions"] .ch09-resource-links{display:flex;gap:12px;flex-wrap:wrap}
[data-guide="instructions"] .ch09-resource-links a{color:#205A36;font-size:13px;font-weight:800}
@media(max-width:700px){[data-guide="instructions"] .ch09-figure{float:none;clear:both;width:100%;max-width:430px;margin:10px auto 13px}[data-guide="instructions"] .ch09-figure img{max-height:330px}}

/* CAMO-specific content components: core chapters only */
.camo-feature{max-width:510px;margin:20px auto}.camo-feature img{width:100%;height:auto;max-height:320px;object-fit:cover;border-radius:12px;cursor:zoom-in}.camo-feature figcaption{text-align:center;font-size:.85rem;margin-top:8px;color:#65594d}
.camo-pdf-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}.camo-pdf-tile{display:flex;flex-direction:column;align-items:center;gap:9px;padding:16px;text-align:center;border:1px solid #d4d4d4;border-radius:12px;background:#faf8f3;color:#443017;text-decoration:none}.camo-pdf-tile:hover{border-color:#c06a25;background:#f1ebe0}.camo-pdf-tile img{height:210px;width:100%;object-fit:contain;background:white;border:1px solid #ddd}.camo-pdf-tile strong{font-size:1rem}.camo-pdf-tile span{font-size:.88rem}.camo-doc-note{margin-top:15px;font-size:.88rem}
@media(max-width:640px){.camo-pdf-gallery{grid-template-columns:1fr}.camo-pdf-tile img{height:185px}}