/* FERROBEND native learning tools: scoped styles, readable static fallbacks. */
.knowledge-lab{min-width:0;padding:30px;background:#fff;border:1px solid #d4dfe8;border-top:3px solid #d4a254;border-radius:14px;box-shadow:0 10px 30px #0b1f3a08}
.knowledge-lab-heading{max-width:820px;margin-bottom:25px}
.knowledge-lab-heading .eyebrow{color:#1f4e79;margin-bottom:13px;font-size:9px}
.knowledge-lab-heading h2{font-size:clamp(23px,2.3vw,30px);line-height:1.3;letter-spacing:-.6px;color:#0b1f3a}
.knowledge-lab-heading>p:not(.eyebrow){margin-top:13px;color:#566779;font-size:13px;line-height:1.85}
.knowledge-lab-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.03fr);gap:30px;align-items:start}
.knowledge-lab-grid>div{min-width:0}
.knowledge-lab-figure{margin:0;overflow:hidden;border:1px solid #52728e;border-radius:12px;background:linear-gradient(145deg,#153a59,#0b1f3a);box-shadow:inset 0 1px 0 #ffffff12}
.knowledge-lab-figure svg{width:100%;height:auto;display:block}
.knowledge-lab-figure figcaption{padding:13px 17px;border-top:1px solid #53738b66;color:#c2d4e3;font-size:10px;line-height:1.7}
.reference-lab [data-reference-visual] rect{fill:#163a56;stroke:#7695ac;stroke-width:1.4;transition:fill .2s,stroke .2s}
.reference-lab [data-reference-visual] text{fill:#d8e5ef;font:500 24px Poppins,Arial,sans-serif;pointer-events:none}
.reference-lab [data-reference-visual].is-selected rect{fill:#254e6e;stroke:#ff975c;stroke-width:2.5}
.reference-lab [data-reference-visual].is-selected text{fill:#ffb895}
.knowledge-lab-controls{padding-top:18px}
.knowledge-choice-group{display:flex;flex-wrap:wrap;gap:8px}
.knowledge-choice-group>button,.knowledge-quiz-answers>button{border:1px solid #a7bdce;border-radius:7px;background:#f8fafc;color:#1f4e79;min-height:44px;padding:10px 14px;font:500 12px/1.6 Poppins,Arial,sans-serif;text-align:left;cursor:pointer;transition:background .2s,border-color .2s,color .2s}
.knowledge-choice-group>button:hover,.knowledge-quiz-answers>button:hover{border-color:#ff6a2a;background:#fff0e7;color:#0b1f3a}
.knowledge-choice-group>button[aria-pressed="true"],.knowledge-quiz-answers>button[aria-pressed="true"]{border-color:#0b1f3a;background:#0b1f3a;color:#fff}
.knowledge-lab-status{margin-top:14px;color:#566779;font-size:11px;line-height:1.8;min-height:2em}
.knowledge-lab-note{border-left:3px solid #ff6a2a;border-radius:0 7px 7px 0;background:#edf3f8;color:#566779;padding:17px 20px;margin-top:25px;font-size:11px;line-height:1.8}
.knowledge-topic+.knowledge-topic{margin-top:26px;padding-top:24px;border-top:1px solid #d4dfe8}
.reference-lab.is-interactive .knowledge-topic,.drawing-lab.is-interactive .knowledge-topic{margin-top:0;padding-top:0;border-top:0}
.drawing-lab.is-interactive .knowledge-drawing-notes{display:grid;gap:22px}
.knowledge-topic h3,.knowledge-quiz-fallback h3{font-size:18px;line-height:1.45;color:#0b1f3a;margin:0 0 12px}
.knowledge-topic>p,.knowledge-quiz-fallback p{font-size:13px;line-height:1.9;color:#566779;margin:0 0 17px}
.knowledge-reference-list{list-style:none;padding:0;margin:18px 0}
.knowledge-reference-list>li{border-top:1px solid #e4ebf0;padding:15px 0;display:grid;gap:7px}
.knowledge-reference-list strong{font-size:13px;color:#0b1f3a}
.knowledge-reference-list>li>span{font-size:12px;color:#566779;line-height:1.85}
.knowledge-reference-list a{color:#1f4e79;font-size:11px;text-decoration:underline;text-underline-offset:3px;min-height:32px;display:inline-flex;align-items:center;gap:8px;justify-self:start;overflow-wrap:anywhere}
.knowledge-next-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;color:#1f4e79;font-size:12px;font-weight:600;line-height:1.7}
.knowledge-next-link:hover{color:#b4430e}
.knowledge-lab .knowledge-reset{min-height:44px;padding:10px 15px;border:1px solid #9cb2c4;border-radius:7px;background:white;color:#1f4e79;font:500 12px/1.6 Poppins,Arial,sans-serif;cursor:pointer}
.drawing-lab .knowledge-reset{margin-top:12px}
.knowledge-lab .knowledge-reset:hover{border-color:#ff6a2a;color:#b4430e}
.drawing-lab [data-drawing-visual].is-layer-hidden{display:none}
.knowledge-quiz-progress{display:inline-block;color:#1f4e79;font:600 11px/1.8 Poppins,Arial,sans-serif;letter-spacing:.6px;margin-bottom:18px}
.knowledge-quiz-question{border:0;padding:0;margin:0;min-width:0}
.knowledge-quiz-question legend{color:#0b1f3a;font-size:20px;font-weight:600;line-height:1.5;margin-bottom:19px;padding:0}
.knowledge-quiz-answers{display:grid;gap:10px;max-width:850px}
.knowledge-quiz-answers>button{padding:14px 18px;font-size:13px}
.knowledge-quiz-feedback{color:#566779;font-size:13px;line-height:1.9;margin:20px 0;min-height:3.8em;max-width:950px}
.knowledge-quiz-feedback:not(:empty){border-left:3px solid #d4a254;padding-left:18px}
.knowledge-quiz-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.knowledge-lab .knowledge-next{border:1px solid #ff6a2a;border-radius:7px;background:#ff6a2a;color:#0b1f3a;font:600 12px/1.6 Poppins,Arial,sans-serif;padding:12px 18px;min-height:44px;cursor:pointer}
.knowledge-quiz-fallback{list-style:decimal;padding-left:22px;margin:23px 0 0}
.knowledge-quiz-fallback>li{padding:21px 0;border-top:1px solid #d4dfe8;color:#8b5d1c}
.knowledge-quiz-fallback h3{font-size:17px}
.knowledge-quiz-fallback p strong{color:#0b1f3a}
.knowledge-lab :focus-visible{outline:3px solid #dc510d;outline-offset:4px}
@media(max-width:800px){.knowledge-lab-grid{grid-template-columns:minmax(0,1fr);gap:25px}.knowledge-lab-figure{max-width:680px}.knowledge-lab{padding:26px}.knowledge-lab-heading{margin-bottom:21px}}
@media(max-width:480px){.knowledge-lab{padding:22px 19px}.knowledge-lab-heading h2{font-size:23px}.knowledge-choice-group{gap:7px}.knowledge-choice-group>button{font-size:11px;padding:9px 11px}.knowledge-lab-heading>p:not(.eyebrow),.knowledge-topic>p{font-size:12px}.knowledge-topic h3{font-size:17px}.knowledge-lab-note{padding:15px 16px}.knowledge-quiz-question legend{font-size:18px}.knowledge-quiz-answers>button{font-size:12px;padding:13px 14px}.knowledge-quiz-feedback{font-size:12px;min-height:5em}.knowledge-lab-figure figcaption{font-size:9px}.knowledge-reference-list a{min-height:44px}}
@media(prefers-reduced-motion:reduce){.reference-lab [data-reference-visual] rect,.knowledge-choice-group>button,.knowledge-quiz-answers>button{transition:none!important}}
@media print{.knowledge-lab-controls,.knowledge-quiz-controls{display:none!important}.knowledge-reference-panels [data-reference-topic],.knowledge-drawing-notes [data-drawing-note],.knowledge-quiz-fallback{display:block!important}.drawing-lab [data-drawing-visual].is-layer-hidden{display:inline}.knowledge-lab{box-shadow:none;break-inside:avoid}.knowledge-lab-figure{print-color-adjust:exact}}

/* Compact learning cards in page heroes. */
.knowledge-hero{min-width:0;border:1px solid #52728e99;border-top:3px solid #d4a254;border-radius:14px;background:linear-gradient(145deg,#123958,#0b1f3a);box-shadow:0 15px 35px #020e1c26;padding:22px;color:#d4e2ed}
.knowledge-hero-heading .eyebrow{font-size:8px!important;letter-spacing:1px;color:#ffb080!important;margin:0 0 10px}
.knowledge-hero-heading h2{color:#f1f6fa;font-size:22px;line-height:1.4;letter-spacing:-.4px}
.knowledge-hero-figure{margin:15px -6px 9px}
.knowledge-hero-figure svg{width:100%;height:auto;display:block}
.knowledge-hero-figure figcaption{font-size:9px;color:#b8cedd;line-height:1.7;padding:3px 6px 9px}
.knowledge-hero .hero-map-node{fill:#153a57;stroke:#6c8fa9;stroke-width:1.4;transition:fill .2s,stroke .2s}
.knowledge-hero .hero-svg-label{font:500 22px Poppins,Arial,sans-serif;fill:#dce8f1}
.knowledge-hero .hero-svg-small{font:16px Consolas,monospace;fill:#c6d9e7;letter-spacing:.3px}
.knowledge-hero [data-hero-visual]{transition:opacity .2s}
.knowledge-hero.is-interactive [data-hero-visual]:not(.is-selected){opacity:.45}
.knowledge-hero [data-hero-visual].is-selected .hero-map-node{fill:#234d6e;stroke:#ff975c;stroke-width:2.5}
.knowledge-hero [data-hero-visual].is-selected .hero-svg-label,.knowledge-hero [data-hero-visual].is-selected .hero-svg-small{fill:#ffb895}
.knowledge-hero-controls{margin-top:8px}
.knowledge-hero-buttons{display:flex;flex-wrap:wrap;gap:7px}
.knowledge-hero-buttons>button{min-height:44px;border:1px solid #6f91ad;border-radius:6px;background:#ffffff05;padding:8px 11px;color:#dce9f2;font:500 11px/1.65 Poppins,Arial,sans-serif;cursor:pointer;transition:background .2s,border-color .2s,color .2s}
.knowledge-hero-buttons>button:hover{border-color:#ff975c;background:#ffffff0b}
.knowledge-hero-buttons>button[aria-pressed="true"]{background:#ff6a2a;border-color:#ff6a2a;color:#0b1f3a}
.knowledge-hero-explanations{margin-top:17px}
.knowledge-hero-explanations>div+div{border-top:1px solid #52728e66;padding-top:17px;margin-top:17px}
.knowledge-hero.is-interactive .knowledge-hero-explanations>div{border:0;margin:0;padding:0}
.knowledge-hero-explanations h3{color:#f1f6fa;font-size:15px;line-height:1.5;margin:0 0 8px;letter-spacing:0}
.knowledge-hero-explanations p{font-size:11px;line-height:1.85;color:#c0d4e3;margin:0}
.knowledge-hero-explanations a{display:inline-flex;align-items:center;gap:8px;color:#ffb895;font-size:11px;font-weight:500;min-height:36px;margin-top:9px}
.knowledge-hero-note{border-top:1px solid #52728e66;margin:15px 0 0;padding-top:12px;color:#a9c0d2;font-size:9px;line-height:1.75}
.knowledge-hero-status{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.knowledge-hero :focus-visible{outline:3px solid #ffad87;outline-offset:4px}
@media(max-width:800px){.knowledge-hero{width:100%;max-width:620px}.knowledge-hero-heading h2{font-size:23px}}
@media(max-width:480px){.knowledge-hero{padding:19px}.knowledge-hero-heading h2{font-size:21px}.knowledge-hero-buttons>button{padding:8px 10px;font-size:10px}.knowledge-hero-explanations p{font-size:11px}.knowledge-hero-explanations a{min-height:44px}.knowledge-hero-note{font-size:9px}}
@media(prefers-reduced-motion:reduce){.knowledge-hero .hero-map-node,.knowledge-hero [data-hero-visual],.knowledge-hero-buttons>button{transition:none!important}}
@media print{.knowledge-hero-controls{display:none!important}.knowledge-hero-explanations [data-hero-topic]{display:block!important}.knowledge-hero [data-hero-visual]{opacity:1!important}.knowledge-hero{print-color-adjust:exact;break-inside:avoid}.knowledge-hero.is-interactive .knowledge-hero-explanations>div+div{margin-top:17px}}