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.batlab .screen-caption{color:#afc4c8;padding:0 12px 10px}.faq-list summary:hover{color:var(--green)}

/* Second edition: product story, connection diagrams and source-rendered BAT LAB. */
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@media(max-width:860px){.hero-grid{grid-template-columns:1fr}.hero h1{font-size:clamp(48px,8.5vw,75px)}.hero-kicker{font-size:15px}.hero-copy .hero-subcatch{font-size:20px}.hero-art{width:87%;max-width:650px}.hero{min-height:1100px}.hero-grid{padding-bottom:120px}.purpose{grid-template-columns:1fr;gap:10px}.purpose .purpose-lead{font-size:21px}.demo-heading{display:block}.demo-heading .segmented{margin-top:22px;width:max-content}.equipment-follow{grid-template-columns:1fr;gap:30px}.hardware-article{grid-template-columns:.7fr 1.3fr;gap:28px}.hardware-visual{padding:20px 10px}.hardware-article p{font-size:14px}.device-tablet-section .protocol-map{grid-template-columns:1fr}.protocol-row{grid-template-columns:1fr 28px 1.2fr minmax(0,1.5fr)}.protocol-row small{grid-column:auto;border:0;padding:0}.device-copy-columns{gap:30px}.flight-teaser{gap:30px;grid-template-columns:1fr 1fr}.lab-placement{grid-template-columns:1fr;gap:25px}.lab-placement h2{font-size:31px}.setup-diagram{max-width:700px}.source-animation>div{display:block}.source-animation .note{margin-top:15px}.lab-process{grid-template-columns:1fr 24px 1fr}.lab-process>i:nth-of-type(2){grid-column:1/-1;transform:rotate(90deg);padding:0}.lab-process>i:nth-of-type(3){grid-column:2;grid-row:3}.lab-process>div:nth-of-type(3){grid-column:1;grid-row:3}.lab-process-result{grid-column:3;grid-row:3}.source-gallery{gap:15px}.trajectory-heading{display:block}.trajectory-heading .diagram-label{margin-top:13px}.flight-metrics{padding:20px;gap:15px}.flight-metrics strong{font-size:40px}}
@media(max-width:580px){.hero{min-height:1010px}.hero-grid{gap:20px;padding-bottom:100px}.hero h1{font-size:clamp(38px,11.3vw,62px);letter-spacing:0;line-height:1.3}.hero-kicker{font-size:13px;letter-spacing:.02em}.hero-copy .hero-subcatch{font-size:17px}.hero-copy .hero-description{font-size:13px}.hero-art{width:100%}.purpose h2{font-size:28px}.purpose .purpose-lead{font-size:18px}.purpose-signature{font-size:14px}.page-jump{gap:12px 20px;font-size:12px}.hardware-article{grid-template-columns:1fr;padding:35px 0;gap:25px}.hardware-visual{max-width:300px;width:100%;margin:auto}.hardware-visual .device-art{max-width:220px}.hardware-article h2{font-size:27px}.device-spec-large{font-size:30px!important}.device-spec-large span{font-size:18px}.sound-explorer{padding:24px 18px}.demo-heading h3{font-size:22px}.segmented button{font-size:12px;padding:9px 13px}.sound-stage,.sound-stage.is-stereo{grid-template-columns:1fr;gap:10px}.sound-device .device-art{max-width:180px}.sound-device>strong{font-size:15px}.sound-stage.is-stereo .sound-device .device-art{max-width:155px}.sound-arrow{font-size:11px}.sound-arrow b{transform:rotate(90deg);font-size:27px;line-height:1}.sound-arrow.sound-partner b{transform:rotate(90deg)}.demo-status{font-size:13px}.sound-check{padding:16px;font-size:11px}.equipment-follow{margin-top:38px}.equipment-follow h3{font-size:25px}.equipment-cta{gap:18px}.tablet-dependency strong{font-size:14px}.tablet-dependency p{font-size:12px}.protocol-row{grid-template-columns:1fr 23px 1.2fr;gap:8px;font-size:12px;padding:14px}.protocol-row small{grid-column:1/-1;font-size:10px;border-top:1px solid #5b796d55;padding-top:8px}.device-copy-columns{grid-template-columns:1fr;gap:20px}.device-tablet-section h2{font-size:28px}.device-tablet-section{padding-top:45px}.device-faq{margin-top:45px}.device-faq h2{font-size:27px}.equipment-help{padding:25px}.equipment-help h3{font-size:25px}.led-simulator{padding:23px 17px}.led-simulator h3{font-size:22px}.led-simulator .diagram-label{margin-top:15px}.matrix-panel{margin:25px 0}.matrix-bezel{padding:12px 8px;border-width:4px;border-radius:7px}.matrix-dimensions{display:block;font-size:11px}.matrix-dimensions span{display:block;margin-top:3px}.led-controls{gap:7px;justify-content:flex-start}.led-controls button{font-size:11px;padding:8px 11px}.led-controls button[data-led-play]{width:100%}.flight-teaser{grid-template-columns:1fr;gap:25px;margin-top:35px;padding-top:32px}.flight-teaser h3{font-size:26px}.lab-placement{padding-top:15px}.lab-placement h2{font-size:28px}.placement-legend{grid-template-columns:1fr;gap:17px;margin-bottom:35px}.placement-legend p{margin:6px 0 0;font-size:12px}.lab-process-section{padding:35px 0}.lab-process-section h2{font-size:26px}.lab-process b{font-size:12px}.lab-process>div{padding:17px 10px}.lab-process span{font-size:10px}.flight-section{padding-top:40px}.source-animation>div{padding:20px 17px}.source-animation .btn{font-size:12px;gap:12px;padding:11px 13px;max-width:100%}.flight-metrics{padding:18px 16px;gap:12px;grid-template-columns:1fr}.flight-metrics>div{display:flex;justify-content:space-between;gap:20px;align-items:center;border-bottom:1px solid var(--line);padding-bottom:12px}.flight-metrics>div:last-child{border-bottom:0;padding-bottom:0}.flight-metrics strong{font-size:36px;white-space:nowrap}.flight-metrics span{font-size:11px}.flight-metrics small{font-size:13px}.sample-conditions{font-size:11px}.flight-explainer{padding:20px 14px}.trajectory-heading h3{font-size:21px}.trajectory-heading .diagram-label{font-size:10px}.flight-actions{gap:12px}.flight-actions .btn{font-size:12px}.flight-actions>span{font-size:11px}.source-gallery{grid-template-columns:1fr;gap:25px}.source-figure figcaption{font-size:10px}.lab-screen-grid{grid-template-columns:1fr;gap:28px}.lab-screens>h2{font-size:27px}.score-sheet{max-height:none;max-width:100%}.score-sheet figcaption{font-size:10px}}

/* Third edition: begin with existing sound equipment; a focused BAT LAB introduction. */
.sound-first-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;list-style:none;padding:0;margin:0 0 34px}.sound-first-steps li{display:flex;gap:16px;border-top:1px solid #78988b70;padding-top:20px;min-width:0}.sound-first-steps>li>span{color:var(--green);font-size:12px;letter-spacing:.08em}.sound-first-steps b{font-size:15px;display:block}.sound-first-steps p{font-size:12px;margin:9px 0 0;color:var(--muted)}.dark-section .sound-first-steps>li>span{color:var(--gold)}.dark-section .sound-first-steps p{color:#b8cec6}.sound-recommendation{font-size:14px;margin:28px 0 0;color:#bfd0c9}.sound-recommendation strong{color:#f1e1b9}.sound-recommendation a{margin-left:1em;display:inline-block;color:#e7d49f}.speaker-examples{padding:60px 0 15px;scroll-margin-top:110px}.speaker-examples h2{font-size:32px}.speaker-examples>p{font-size:14px;color:var(--muted)}.speaker-examples-table{min-width:650px}.speaker-examples-table th,.speaker-examples-table td{font-size:13px;font-weight:400;line-height:1.9}.speaker-examples-table thead th,.speaker-examples-table tbody th{font-weight:700}.speaker-examples-table th:first-child{width:22%}.speaker-examples-table td{width:39%}.speaker-examples-table td p{font-size:12px;margin:10px 0 0;color:var(--muted)}.speaker-examples-table a{font-size:12px;color:var(--green)}.sound-device>strong{overflow-wrap:anywhere}
.batlab-compact{padding:80px 0}.batlab-heading{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:end}.batlab-heading .batlab-title{font-size:clamp(54px,6vw,80px);margin-bottom:15px}.batlab-heading .batlab-lead{font-size:clamp(22px,2.4vw,30px);margin:0}.batlab-heading>p{font-size:15px;color:#c2d4cc;margin-bottom:4px}.batlab-visual-pair{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.2fr);gap:36px;margin-top:35px;align-items:start}.batlab-visual-pair>div{min-width:0}.visual-heading{display:flex;align-items:baseline;gap:14px;margin-bottom:15px}.visual-heading>span{color:var(--green);font-size:10px;letter-spacing:.13em;flex-shrink:0}.visual-heading h3{font-size:18px;margin:0}.batlab .visual-heading>span{color:var(--gold)}.setup-diagram svg{width:100%;height:auto;display:block;border-radius:6px}.setup-diagram figcaption{font-size:10px;line-height:1.8;color:var(--muted);margin-top:10px}.batlab .setup-diagram figcaption{color:#a9c1b7}.batlab-visual-key{font-size:12px;line-height:1.9;color:var(--green);padding-top:12px;margin:12px 0 0;border-top:1px solid #78988b70}.batlab .batlab-visual-key{color:#b9d2c6}.batlab-visual-pair .batlab-screen{box-shadow:none}.batlab-screen .screen-caption{padding:0 10px 9px}.batlab-functions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;padding:26px 0;margin:30px 0 0;border-top:1px solid #78988b70;border-bottom:1px solid #78988b70}.batlab-functions>div{min-width:0}.batlab-functions dt{font-size:17px;font-weight:700;color:var(--green);line-height:1.6}.batlab-functions dd{margin:12px 0 0;font-size:13px;line-height:1.9;color:var(--muted)}.batlab .batlab-functions dt{color:#f1e1b9}.batlab .batlab-functions dd{color:#bfd1c9}.batlab-action-row{display:flex;justify-content:space-between;align-items:center;gap:30px;margin-top:28px}.batlab-action-row p{font-size:12px;color:#b9cfc4;margin:0}.batlab-action-row .btn{flex-shrink:0}.batlab-compact .lab-note{margin-top:25px}.batlab-detail-visuals>h2,.batlab-feature-section>h2{font-size:32px}.batlab-feature-section{padding:45px 0 0;scroll-margin-top:110px}.batlab-detail .batlab-visual-key{margin-bottom:0}.batlab-input-line{font-size:14px;font-weight:700;line-height:2;color:var(--green);margin:25px 0 0}.batlab-start{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start;padding:55px 0 10px;margin-top:45px;border-top:1px solid var(--line);scroll-margin-top:110px}.batlab-start h2{font-size:28px}.batlab-start p{font-size:14px;color:var(--muted)}.batlab-start ol{margin:0;padding-left:1.5em;font-size:15px}.batlab-start li{padding-left:5px;margin-bottom:22px}.batlab-start b,.batlab-start span{display:block}.batlab-start span{font-size:13px;color:var(--muted);margin-top:7px}.batlab-detail-visuals{scroll-margin-top:110px}
@media(max-width:860px){.sound-first-steps{gap:18px}.sound-first-steps li{gap:10px}.sound-first-steps b{font-size:13px}.batlab-heading{grid-template-columns:1fr;gap:20px}.batlab-heading>p{max-width:610px}.batlab-visual-pair{gap:25px;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr)}.visual-heading{display:block}.visual-heading h3{font-size:16px;margin-top:6px}.batlab-functions{gap:20px}.batlab-functions dt{font-size:15px}.batlab-functions dd{font-size:12px}.batlab-action-row{display:block}.batlab-action-row .btn{margin-top:22px}.batlab-start{gap:30px}}
@media(max-width:580px){.sound-first-steps{grid-template-columns:1fr;gap:16px}.sound-first-steps li{padding-top:15px;gap:15px}.sound-first-steps b{font-size:14px}.sound-first-steps p{font-size:12px;margin-top:5px}.sound-recommendation{font-size:13px}.sound-recommendation a{margin:10px 0 0}.speaker-examples{padding-top:40px}.speaker-examples h2{font-size:27px}.speaker-examples>p{font-size:13px}.batlab-compact{padding:60px 0}.batlab-heading{gap:18px}.batlab-heading .batlab-title{font-size:57px}.batlab-heading .batlab-lead{font-size:23px}.batlab-heading>p{font-size:13px}.batlab-visual-pair{grid-template-columns:1fr;gap:28px;margin-top:28px}.visual-heading{display:flex;gap:12px}.visual-heading h3{font-size:16px;margin:0}.batlab-visual-pair .setup-diagram{max-width:480px;margin:auto}.batlab-functions{grid-template-columns:1fr;gap:21px;padding:24px 0;margin-top:27px}.batlab-functions dt{font-size:16px}.batlab-functions dd{margin-top:6px;font-size:12px}.batlab-action-row p{font-size:11px}.batlab-detail-visuals>h2,.batlab-feature-section>h2{font-size:26px}.batlab-feature-section{padding-top:35px}.batlab-input-line{font-size:12px}.batlab-start{grid-template-columns:1fr;gap:25px;padding-top:35px;margin-top:35px}.batlab-start h2{font-size:25px}.batlab-start p{font-size:13px}.batlab-start ol{font-size:14px}.batlab-start span{font-size:12px}}