/* Compact photographic introduction; retain the full approved crop. */
.equipment-trigger{font:inherit;color:inherit;background:none;border:0;border-bottom:1px dotted var(--copper);padding:0 0 2px;cursor:pointer}.equipment-trigger span{color:var(--copper);font-size:.8em}.equipment-trigger:hover,.equipment-trigger[aria-expanded="true"]{color:var(--copper)}.equipment-trigger:focus-visible{outline:2px solid var(--copper);outline-offset:4px}.equipment-popover{position:fixed;inset:auto;margin:0;box-sizing:border-box;width:min(440px,calc(100vw - 24px));max-height:calc(100dvh - 24px);overflow:auto;background:#222426;color:#eeece5;border:1px solid #8e674e;border-radius:10px;padding:24px;box-shadow:0 16px 55px #0009;font:16px/1.65 Heebo,Arial,sans-serif}.equipment-popover h3{color:var(--copper);font-size:22px;margin:0 0 16px;padding-left:28px}.equipment-popover p{font-size:16px;margin:0 0 12px}.equipment-popover ul{padding-inline-start:22px;margin:0}.equipment-popover li{margin-bottom:8px}.equipment-close{position:absolute;left:8px;top:8px;width:36px;height:36px;color:#eee;background:transparent;border:0;font-size:26px;cursor:pointer}
.course-unified-inner{max-width:850px;margin-inline-start:0;margin-inline-end:auto;padding:0;border:0;background:none;box-shadow:none}.course-unified .course-overview,.course-unified .course-topic p{font-size:18px;line-height:1.8;color:#d0cdc7;margin:0}.course-topic{margin-top:26px;padding-top:0;border:0;scroll-margin-top:100px}.course-topic h3{color:var(--ink);font-size:22px;font-weight:600;margin:0 0 8px;line-height:1.4}#course h2,#author h2,#instrument .synth-title{color:var(--copper);font-size:clamp(28px,3vw,36px);font-weight:700;line-height:1.35;letter-spacing:-.5px;margin:0 0 24px}#author p:not(.eyebrow),#instrument .instrument-instruction,#instrument .instrument-disclosure{color:#d0cdc7;font-size:18px;line-height:1.8}#course,#author,#instrument{padding-block:70px}
.hero{padding-block:48px;gap:36px}
.workbench-photo{margin:0;min-width:0;align-self:center}
.workbench-photo img{display:block;width:100%;height:auto;aspect-ratio:1628/966;object-fit:contain;border-radius:3px}
.facts{grid-template-columns:repeat(3,minmax(0,1fr))}
.facts>div:last-child strong{font-family:Arial,sans-serif;font-size:44px;font-weight:500;padding-top:0;color:var(--ink)}
@media(max-width:760px){.hero{padding-block:32px;gap:28px}.facts{gap:0}.facts>div{padding-inline:10px!important}.facts strong,.facts>div:last-child strong{font-size:32px}.facts span{font-size:14px;line-height:1.5}.actions{flex-wrap:wrap}}
/* Real CAD board layout; proportions and placement follow the project panel. */
body:has(#module-dialog[open]){overflow:hidden}
/* Compact instrument presentation: RTL copy at right, interactive model at left. */
#instrument{display:grid;grid-template-columns:minmax(250px,1fr) minmax(0,2fr);gap:44px;align-items:center}
.instrument-copy,.instrument-visual{min-width:0}
.instrument-visual{width:100%;max-width:780px;justify-self:center}
.instrument-copy .synth-title{font-size:clamp(32px,3.1vw,45px);letter-spacing:-1.5px;line-height:1.15;margin-bottom:24px;text-align:right}
.instrument-instruction{font-size:18px;line-height:1.75;margin-bottom:26px}
.instrument-copy .instrument-disclosure{font-size:15px;line-height:1.8;margin-bottom:12px}
@media(min-width:701px) and (max-width:1000px){#instrument{grid-template-columns:minmax(210px,1fr) minmax(0,1.65fr);gap:24px}.instrument-copy .synth-title{font-size:30px;letter-spacing:-1px;margin-bottom:18px}.instrument-instruction{font-size:16px;margin-bottom:18px}.instrument-copy .instrument-disclosure{font-size:14px}}
@media(max-width:700px){#instrument{grid-template-columns:1fr;gap:24px}.instrument-copy{max-width:620px}.instrument-copy .synth-title{font-size:38px;margin-bottom:18px}.instrument-instruction{margin-bottom:16px}.instrument-visual{max-width:720px}}
.hero-reassurance{font-size:16px;color:var(--ink);margin:18px 0 8px}.hero-schedule{font-size:14px;color:var(--copper);margin:0}.registration-list{list-style:decimal;padding-inline-start:28px;margin:22px 0}.registration-list li{padding-inline-start:8px;margin-bottom:20px}.registration-list li::marker{color:var(--copper);font-weight:700}.registration-list strong{display:block;font-size:19px}.registration-list span{display:block;font-size:16px;color:var(--muted);margin-top:4px}
.author-name{font-size:25px;margin-bottom:20px}.registration-steps{margin-top:36px;border-top:1px solid var(--line);padding-top:28px;max-width:900px}.registration-steps>p{font-size:17px;color:var(--muted)}.faq>h2{color:var(--copper)}.instrument-disclosure{font-size:14px;color:var(--muted);max-width:850px}.instrument-zoom{display:none}@media(max-width:760px){.instrument-zoom{display:block;margin:16px 0}.instrument-zoom summary{color:var(--copper)}.instrument-zoom p{font-size:14px}.instrument-zoom[open]+.panel-scroll .panel-map.assembly-ready{min-width:760px}.instrument-zoom[open]+.panel-scroll .assembly-canvas{touch-action:pan-x pan-y}}
.panel-scroll{overflow-x:auto}
.module-hover-hint{position:absolute;z-index:5;pointer-events:none;background:#222426f2;color:#f4bc94;border:1px solid #a77350;border-radius:6px;padding:7px 11px;font:500 14px/1.4 Heebo,Arial,sans-serif;box-shadow:0 4px 18px #0005;white-space:nowrap}
.panel-map.assembly-ready{min-width:0;aspect-ratio:1.75;background:transparent;border:0}
.assembly-canvas{display:block;width:100%;height:100%;touch-action:pan-y}
.assembly-ready .board-trigger{width:auto;height:auto;min-width:44px;min-height:30px;transform:translate(-50%,-50%);background:#241b22de;border:1px solid #8b657d;border-radius:3px;z-index:2;opacity:0;pointer-events:none}
.assembly-ready .board-trigger.loaded,.assembly-ready .board-trigger.failed{opacity:1;pointer-events:auto}
.assembly-ready .board-trigger:hover,.assembly-ready .board-trigger:focus-visible{background:#604157;border-color:#f4a16c}
.assembly-ready .board-trigger canvas,.assembly-ready .board-loading{display:none}
.assembly-ready .board-name{position:static;display:block;background:none;color:#f5d4bd;padding:4px 7px;font-size:13px}
.panel-scroll:has(.assembly-ready){background:transparent;border:0;padding:0}
.assembly-failed .assembly-canvas{display:none}
.panel-scroll{padding:18px;background:#131d20;border:1px solid #455453}
.panel-map{position:relative;width:100%;min-width:820px;aspect-ratio:498.55 / 159.75;background:#202d2d;border:1px solid #637973}
.board-trigger{position:absolute;left:calc(var(--x) * 100% / 498.55);top:calc(var(--y) * 100% / 159.75);width:calc(var(--w) * 100% / 498.55);height:calc(var(--h) * 100% / 159.75);padding:0;border:1px solid #657c79;background:#19282a;color:#f1efe9;cursor:pointer;transition:border-color .15s,background .15s}
.board-trigger:hover{background:#2b3c3b;border-color:#f4a16c}.board-trigger:focus-visible{outline:3px solid #f4a16c;outline-offset:3px;z-index:1}
.board-trigger canvas{display:block;width:100%;height:100%;pointer-events:none}.board-name{position:absolute;top:4px;left:4px;background:#10191ce6;color:#f4bc94;padding:2px 5px;font:600 13px/1.4 monospace;pointer-events:none}.board-loading{position:absolute;left:0;right:0;top:45%;font:24px monospace}.loaded .board-loading{display:none}.failed .board-loading{font-size:0}.failed .board-loading:after{content:'3D ↗';font:16px monospace}
#module-dialog{width:min(1280px,96vw);max-width:96vw;max-height:94dvh;padding:0;border:1px solid #786151;background:#1c2225;color:#f1efe9;overflow:auto}
#module-dialog::backdrop{background:#080c10c9;backdrop-filter:blur(5px)}
#module-dialog .model-header{padding:18px 24px;border-bottom:1px solid #3c4647;direction:ltr;position:sticky;top:0;background:#1c2225;z-index:2}
#module-dialog .model-header>div{display:flex;align-items:baseline;gap:20px;min-width:0}#module-dialog .model-header h2{font:600 28px/1.2 monospace;letter-spacing:0;color:#f4a16c}#module-dialog .model-header span{font-size:16px;color:#b7c1bf;direction:rtl}
#module-dialog button{font-family:Heebo,Arial,sans-serif;background:#2c3638;color:#f1efe9;border:1px solid #5b6a69;cursor:pointer;min-width:44px;min-height:44px;font-size:20px}
#module-dialog button:hover{background:#3c4949}#module-dialog button:focus-visible,#module-dialog canvas:focus-visible{outline:3px solid #f4a16c;outline-offset:-3px}
.model-layout{display:grid;grid-template-columns:1.12fr 1fr;direction:ltr;align-items:stretch}
.model-stage{position:relative;min-width:0;background:radial-gradient(ellipse at 50% 45%,#293a3f,#142024 75%);min-height:540px}
#module-dialog .model-canvas{display:block;width:100%;height:100%;min-height:540px;max-height:74dvh;touch-action:none;opacity:0;transition:opacity .2s}#module-dialog .model-canvas.ready{opacity:1}
.model-loading{position:absolute;top:45%;left:24px;right:24px;text-align:center;direction:rtl;pointer-events:none}.model-loading button{pointer-events:auto;font-size:16px!important;padding:6px 16px}#module-dialog [data-status]{font-size:16px}.model-controls{position:absolute;bottom:14px;left:16px;right:16px;display:flex;gap:6px;align-items:center}.model-controls span{margin-left:auto;font-size:14px;direction:rtl;color:#c0c9c6;background:#142024cc;padding:5px 8px;pointer-events:none}
.module-explanation{padding:28px 30px;border-left:1px solid #3c4647;max-height:74dvh;overflow:auto}.module-explanation h3{font-size:26px;margin-bottom:18px}.module-explanation p{font-size:17px;line-height:1.8;color:#d1d6d3;margin-bottom:16px}.module-explanation .patch-example{border-top:1px solid #55534a;padding-top:18px;margin:24px 0 0}.patch-example strong{display:block;color:#f4a16c;font-size:15px;margin-bottom:5px}
@media(max-width:760px){.panel-scroll{padding:10px}.panel-map{min-width:720px}#module-dialog{width:96vw;max-height:94dvh}#module-dialog .model-header{padding:12px 14px}#module-dialog .model-header>div{display:block}#module-dialog .model-header h2{font-size:23px}#module-dialog .model-header span{font-size:14px}.model-layout{grid-template-columns:1fr}.model-stage{min-height:320px;height:43dvh}#module-dialog .model-canvas{height:100%;min-height:320px;max-height:none}.module-explanation{max-height:none;overflow:visible;border-left:0;border-top:1px solid #3c4647;padding:24px 20px}.module-explanation h3{font-size:24px}.module-explanation p{font-size:16px}.model-controls span{font-size:12px;padding:5px}.model-controls{bottom:10px;left:10px;right:10px;gap:4px}}
@media(prefers-reduced-motion:reduce){.board-trigger,#module-dialog .model-canvas{transition:none}}
.assembly-ready .board-trigger.loaded{opacity:0;background:transparent;border-color:transparent}
.assembly-ready .board-trigger.loaded:focus-visible{opacity:1;outline:2px solid #f5a53d}
.assembly-ready .board-trigger.loaded span{visibility:hidden}