@font-face{font-family:Academy;src:url('assets/fonts/academy-condensed.otf') format('opentype');font-weight:700;font-display:swap}
:root{--bg:#141618;--panel:#202225;--panel2:#191b1e;--raised:#282b2f;--ink:#efeee9;--muted:#afb2b5;--line:#373a3e;--accent:#f18459;--green:#a7d7b6;--red:#ffb2a7;color-scheme:dark;font:15px/1.5 Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink)}*{box-sizing:border-box}body{margin:0}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.25}h1{font-size:32px}h2{font-size:22px}h3{font-size:19px}p{line-height:1.65}a{color:inherit}button,input,textarea,select{font:inherit}button{cursor:pointer;color:inherit}button:disabled{opacity:.35;cursor:default}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}:is(button,a,input,textarea,select,summary):focus-visible{outline:3px solid var(--accent);outline-offset:4px}:is(button,a) svg{width:19px;height:19px;flex:none}img{display:block;max-width:100%}input,textarea,select{color:var(--ink);background:#17191b;border:1px solid var(--line);border-radius:7px;font-size:16px}input,select{min-height:46px;padding:10px 12px}textarea{padding:15px;line-height:1.6;resize:vertical}input::placeholder,textarea::placeholder{color:#92969a}input[type=checkbox],input[type=radio]{accent-color:var(--accent);min-height:0;width:19px;height:19px;padding:0;flex:none}input[type=number]{-moz-appearance:textfield}input[type=number]::-webkit-inner-spin-button{display:none}[hidden]{display:none!important}.sr-only,.file-input{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.skip-link{position:fixed;top:-100px;left:15px;padding:12px 18px;background:var(--accent);color:#111;z-index:100}.skip-link:focus{top:10px}.eyebrow{display:block;text-transform:uppercase;color:var(--accent);font-size:11px;letter-spacing:.12em;font-weight:700}.small-note{color:var(--muted);font-size:12px;line-height:1.6}.muted{color:var(--muted)}.button{display:inline-flex;justify-content:center;align-items:center;gap:9px;min-height:44px;padding:11px 17px;font-size:13px;font-weight:700;border:1px solid var(--line);border-radius:7px;background:var(--raised);color:var(--ink);text-decoration:none;line-height:1.4}.button:hover{background:#32363a;border-color:#6b6f73}.button.primary{background:var(--accent);border-color:var(--accent);color:#17191b}.button.primary:hover{background:#ff9a72}.button.secondary{background:transparent}.button.small{font-size:12px;padding:9px 13px;min-height:40px}.button.active{border-color:var(--accent);color:var(--accent);background:#f1845912}.button.danger{background:#7c302a;border-color:#ba6e65}.button-row,.card-actions{display:flex;gap:11px;flex-wrap:wrap;align-items:center}.text-link{border:0;background:none;color:var(--accent);font-size:13px;font-weight:700;text-underline-offset:4px;display:inline-flex;align-items:center;gap:7px;padding:7px 0;cursor:pointer}.text-link.subtle{color:var(--muted)}.icon-button{border:1px solid var(--line);border-radius:7px;width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;background:var(--raised);font-size:24px;flex:none}
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.lesson-heading{display:flex;align-items:center;justify-content:space-between;gap:25px;margin-bottom:20px}.lesson-heading h1{font-size:23px;margin:8px 0 0;line-height:1.35}.eyebrow-divider{color:#686e72;padding:0 8px}.lesson-layout{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(300px,1fr);gap:24px;align-items:start}.slide-pane{min-width:0}.slide-frame{aspect-ratio:16/9;border:1px solid #33373a;border-radius:9px;overflow:hidden;background:#08090a;position:relative}.slide-frame button{position:relative;width:100%;height:100%;display:block;background:none;border:0;padding:0;cursor:zoom-in}.slide-frame img{width:100%;height:100%;object-fit:contain}.enlarge-label{display:inline-flex;align-items:center;gap:6px;position:absolute;right:12px;bottom:12px;border-radius:5px;background:#121416d9;padding:7px 9px;font-size:11px}.enlarge-label svg{width:15px;height:15px}.slide-controls{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:13px}.jump-form{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700}.jump-form input{width:64px;text-align:center;min-height:44px;font-weight:700}.jump-form .of-total{color:var(--muted);font-size:12px;white-space:nowrap}.jump-form button{border:1px solid var(--line);background:var(--panel);border-radius:6px;min-height:42px;padding:8px 12px}.course-progress{display:flex;gap:4px;margin:13px 0 5px}.course-progress>a{height:7px;min-width:13px;border-radius:3px;background:#373b3f}.course-progress>a.current{background:var(--accent)}.lesson-utilities{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:10px}.wake-option,.check-label{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}.wake-option input{width:17px;height:17px}.lesson-utilities .text-link{font-size:11px}#wake-status{margin:5px 0 0;font-size:11px}.lesson-sidebar{display:grid;gap:17px}.notes-panel,.slide-transcript,.sidebar-topic{background:var(--panel);border:1px solid var(--line);border-radius:11px;padding:20px}.notes-panel-head{display:flex;gap:10px;align-items:center;justify-content:space-between;margin-bottom:14px}.notes-panel-head h2{font-size:16px;margin:0}.notes-panel-head h2>span{color:var(--muted);font-weight:400}.notes-panel textarea{width:100%;min-height:190px}.notes-panel-foot{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:11px;margin-top:11px}.notes-panel-foot a{color:var(--accent)}.saved-status{color:var(--muted);font-size:11px}.save-warning{color:var(--red)!important}.slide-transcript p{font-size:13px;margin:13px 0 0;color:#d2d4d5}.sidebar-topic{display:grid;gap:9px;text-decoration:none;background:var(--panel2)}.sidebar-topic strong{font-size:16px}.sidebar-topic>span:not(.eyebrow):not(.text-link){font-size:12px;color:var(--muted)}.sidebar-topic .text-link{font-size:12px}.class-help{margin-top:23px;padding-top:16px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.class-help summary{cursor:pointer;color:#d5d7d9}.class-help p{margin:14px 0}.lesson-activity-link{display:flex;justify-content:space-between;align-items:center;gap:20px;background:#f184590d;border:1px solid #f1845955;border-radius:7px;color:var(--accent);text-decoration:none;padding:15px 17px;margin-top:20px;font-size:13px;font-weight:700}
.video-callout{display:flex;align-items:center;gap:15px;margin-top:24px;padding:18px;border:1px solid var(--line);border-radius:9px;background:var(--panel)}.video-callout>div:nth-child(2){flex:1}.video-callout h2{font-size:16px;margin:0 0 5px}.video-callout p{font-size:12px;color:var(--muted);margin:0}.play-circle{color:var(--accent)}.video-guide{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:15px 0 0;padding:20px;border:1px solid var(--line);border-radius:8px;background:var(--panel2)}.video-guide p{font-size:13px;margin:8px 0 0;color:#d0d3d4}.search-box{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:8px;background:#17191b;padding:0 15px}.search-box svg{width:21px;height:21px;color:var(--muted);flex:none}.search-box input{border:0;background:none;border-radius:0;width:100%;min-height:49px;outline:0}.search-box:focus-within{outline:2px solid var(--accent);outline-offset:2px}.contents-tools{display:flex;align-items:center;gap:22px;margin-bottom:26px}.contents-tools .search-box{flex:1;max-width:720px}.contents-tools .check-label{white-space:nowrap}.contents-tools .small-note{margin:0;white-space:nowrap}.contents-groups{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}.topic-group{border:1px solid var(--line);border-radius:9px;background:var(--panel);overflow:hidden}.topic-group>summary{padding:21px;display:flex;align-items:center;gap:16px;list-style:none;cursor:pointer}.topic-group summary::-webkit-details-marker,.rotation-card summary::-webkit-details-marker{display:none}.topic-group summary>span:nth-child(2){flex:1}.topic-index,.activity-index{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.05em}.topic-group strong{display:block;font-size:16px}.topic-group small{display:block;font-size:11px;color:var(--muted);margin-top:5px}.disclosure-mark{font-size:23px;color:var(--muted);font-weight:400;flex:none}details[open]>summary>.disclosure-mark{transform:rotate(45deg)}.topic-slides{padding:0 21px 15px}.topic-slides>a{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--line);font-size:13px;text-decoration:none}.topic-slides>a:hover{color:var(--accent)}.topic-slides>a>span:nth-child(2){flex:1}.slide-row-number{width:27px;color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px;flex:none}.tag{display:inline-block;border:1px solid #5a443b;background:#3a2923;color:#f3b095;border-radius:4px;font-size:9px;padding:2px 5px;white-space:nowrap}.note-tag{background:#2d363e;color:#bbd0df;border-color:#455463}.saved-dot{color:var(--accent);font-size:11px}.video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.video-card{background:var(--panel);border:1px solid var(--line);border-radius:11px;overflow:hidden}.video-poster{padding:0;border:0;width:100%;aspect-ratio:16/9;display:block;position:relative;background:#0e1011}.video-poster img{width:100%;height:100%;object-fit:cover;opacity:.82}.video-poster:hover img{opacity:1}.play-button{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:54px;height:54px;border-radius:99px;background:#f18459ee;display:flex;align-items:center;justify-content:center;color:#161616}.play-button svg{width:24px;height:24px}.poster-label{position:absolute;left:13px;bottom:12px;background:#151719c9;font-size:10px;letter-spacing:.08em;padding:5px 7px;border-radius:3px}.video-card-body{padding:22px}.video-card h2{font-size:20px;margin:11px 0 13px}.video-card .watch-prompt{font-size:13px;color:var(--muted)}.watch-prompt strong{display:block;color:var(--ink);margin-bottom:6px;font-size:12px}.card-actions{margin-top:17px}.info-strip{background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:18px 21px;margin-top:28px;font-size:13px;color:var(--muted)}
.rotation-start{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;margin-bottom:12px}.rotation-start>div{flex:1;max-width:700px}.field-label{display:block;font-weight:700;font-size:13px;margin:0 0 9px}.unit-input{width:100%}.progress-label{display:inline-block;font-size:12px;padding:8px 13px;border:1px solid #73513f;color:#f7b69a;background:#38271f;border-radius:99px;white-space:nowrap}.station-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:29px;align-items:start}.station-panel{background:var(--panel2);border:1px solid var(--line);border-radius:11px;padding:23px}.group-heading{display:flex;gap:17px;margin-bottom:25px}.station-number{font-family:Academy,sans-serif;font-size:41px;line-height:1;color:#72787d}.group-heading h2{font-size:24px;margin:7px 0}.group-heading p{color:var(--muted);font-size:12px;margin:0}.rotation-card{border:1px solid var(--line);border-radius:8px;background:var(--panel);margin-top:12px}.rotation-card summary{display:flex;align-items:center;gap:13px;padding:18px;cursor:pointer;list-style:none}.rotation-card summary>span:nth-child(2){flex:1}.rotation-card summary strong{display:block;font-size:14px;line-height:1.45}.rotation-card summary small{display:block;color:var(--muted);font-size:10px;margin-top:5px}.rotation-body{padding:0 18px 20px}.rotation-body>p{color:var(--muted);font-size:13px}.rotation-body .text-link{font-size:12px;margin-bottom:15px}.rotation-body textarea{width:100%;min-height:120px}.review-check{display:flex;align-items:center;gap:10px;font-size:12px;min-height:44px;margin-top:9px}.review-intro{display:flex;align-items:center;gap:22px;border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:25px}.review-intro p{color:var(--muted);font-size:13px;margin:0;max-width:800px}.scenario-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}.scenario-card{background:var(--panel);border:1px solid var(--line);border-radius:11px;padding:25px;scroll-margin-top:92px;min-width:0}.activity-card-top{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:15px}.activity-card-top .eyebrow{font-size:10px;color:var(--muted)}.scenario-card h3{font-size:23px;margin-bottom:15px}.scenario-situation{font-size:14px;color:#c4c7c9}.scenario-card fieldset{border:0;padding:0;margin-top:23px;min-width:0}.scenario-card legend{font-size:12px;font-weight:700;margin-bottom:12px}.scenario-choice{display:flex;align-items:flex-start;gap:11px;border:1px solid var(--line);padding:14px;border-radius:7px;margin-bottom:10px;font-size:13px;line-height:1.65;cursor:pointer;background:#181a1c}.scenario-choice:hover{border-color:#777}.scenario-choice input{margin:2px 0 0}.scenario-choice.chosen{border-color:var(--accent);background:#38281f}.scenario-feedback{border-left:3px solid #83ba94;background:#1b3023;padding:19px;margin-top:21px;border-radius:0 6px 6px 0}.scenario-feedback.reconsider{background:#392d1d;border-left-color:#d7ae72}.feedback-heading{font-weight:700;font-size:15px;color:#d6e9dc}.reconsider .feedback-heading{color:#efcf9b}.scenario-feedback p{font-size:13px;margin:10px 0}.scenario-sources{border-top:1px solid #ffffff22;display:grid;gap:9px;margin-top:17px;padding-top:15px}.scenario-sources a{font-size:12px;color:#ffd2b6;line-height:1.6;overflow-wrap:anywhere}.next-step,.workbook-summary{display:flex;align-items:center;justify-content:space-between;gap:26px;border:1px solid var(--line);background:var(--panel);padding:25px;border-radius:10px;margin-top:30px}.next-step h2,.workbook-summary h2{font-size:22px;margin:7px 0 9px}.next-step p,.workbook-summary p{margin:0;color:var(--muted);font-size:13px;max-width:760px}.next-step .button,.workbook-summary .button-row{flex:none}.filter-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:25px}.filter-chip{padding:10px 17px;border:1px solid var(--line);border-radius:99px;background:var(--panel);color:var(--muted);font-size:12px;min-height:40px}.filter-chip.selected{color:#161718;border-color:var(--ink);background:var(--ink)}.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:start}.quick-card{border:1px solid var(--line);border-radius:10px;background:var(--panel);padding:23px}.quick-card h2{font-size:21px;margin:11px 0 19px}.quick-card ul{padding-left:18px;font-size:13px;color:#c4c7c9}.quick-card li{padding-left:3px;margin-bottom:13px;line-height:1.65}.quick-card li::marker{color:var(--accent)}
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.download-stack{display:grid;gap:17px}.download-card{display:flex;gap:18px;background:var(--panel);border:1px solid var(--line);border-radius:11px;padding:24px;min-width:0}.file-icon{display:inline-flex;align-items:center;justify-content:center;width:52px;height:62px;background:var(--accent);color:#171717;font-size:11px;font-weight:700;border-radius:7px;flex:none}.download-card h2{font-size:20px;margin-bottom:10px}.download-card p{color:var(--muted);font-size:13px;margin-bottom:15px}.download-card .eyebrow{margin-bottom:9px}.file-meta{font-size:10px;color:#959c9f;letter-spacing:.07em}.reading-note{font-size:12px;color:var(--muted);margin:17px 0}.reading-note summary{cursor:pointer;color:var(--accent)}.reading-note p{margin-top:12px;font-size:12px}.resource-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.55fr);gap:25px;align-items:start}.manual-library,.manual-ask{border:1px solid var(--line);border-radius:11px;background:var(--panel);padding:25px}.manual-library>h2{font-size:22px;margin-bottom:10px}.manual-library>p{font-size:13px;color:var(--muted)}.manual-filters{display:grid;grid-template-columns:1fr 1fr;gap:11px;margin-top:20px}.manual-filters .search-box{grid-column:1/-1}.manual-filters select{font-size:13px;width:100%;min-width:0}.manual-stats{display:flex;justify-content:space-between;gap:12px;font-size:11px;color:var(--muted);margin:17px 0}.manual-list{border-top:1px solid var(--line)}.manual-row{padding:19px 0;border-bottom:1px solid var(--line)}.manual-row .eyebrow{font-size:9px;color:#afb2b5;letter-spacing:.08em}.manual-row h3{font-size:16px;margin:7px 0;line-height:1.45}.manual-row h3 a{color:var(--accent);text-underline-offset:4px}.manual-row p{font-size:11px;line-height:1.6;color:var(--muted);margin:7px 0}.manual-row .manual-meta{font-size:10px;color:#c5c8c9}.manual-actions{display:flex;gap:15px;align-items:center;flex-wrap:wrap;margin-top:8px}.manual-row .text-link{font-size:11px}.manual-status{font-size:10px;color:var(--green)}.manual-list-more{margin:20px auto 0;display:flex}.manual-ask{margin-bottom:25px;background:linear-gradient(115deg,#292522,#202225 65%);border-color:#73513f}.ask-header{display:flex;align-items:center;gap:13px;margin-bottom:12px}.ask-header>span{display:flex;align-items:center;justify-content:center;background:#4b3227;border:1px solid #8c5c43;width:42px;height:42px;border-radius:9px;color:var(--accent);font-size:24px}.manual-ask h2{margin:0;font-size:23px}.manual-ask>p{font-size:13px;color:var(--muted);max-width:930px}.ask-form{display:grid;grid-template-columns:minmax(0,1fr) 290px auto;gap:10px;align-items:end;margin-top:20px}.ask-form label{display:block;font-size:11px;color:#b8bcbf;margin-bottom:7px}.ask-form input,.ask-form select{width:100%;font-size:14px;min-width:0}.ask-suggestions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.ask-suggestions button{border:1px solid var(--line);border-radius:6px;padding:7px 11px;background:#252526;color:#c3b8b0;font-size:11px;min-height:34px}.ask-response{margin-top:22px;border-top:1px solid #ffffff22;padding-top:20px}.ask-response h3{font-size:18px}.ask-response>p{font-size:13px;color:#c4c7c9}.manual-matches{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.manual-match{padding:18px;border:1px solid var(--line);border-radius:8px;background:#17191b}.manual-match h4{font-size:14px;margin:7px 0 10px;line-height:1.5}.manual-match p{font-size:11px;color:var(--muted);margin-bottom:10px}.page-links{display:flex;gap:7px;flex-wrap:wrap}.page-links a{display:inline-block;padding:7px 10px;background:#33302c;border:1px solid #5b4b3e;border-radius:5px;font-size:11px;color:#f4c2a8;text-decoration:none}.manual-scope-note{font-size:11px;color:#c7b2a5}.qr-panel{display:flex;align-items:center;gap:22px;padding:23px;border:1px solid var(--line);border-radius:10px;background:var(--panel2);margin-top:25px}.qr-panel img{width:104px;height:104px;border:7px solid white;border-radius:6px;flex:none}.qr-panel h2{font-size:20px;margin-bottom:8px}.qr-panel p{font-size:12px;color:var(--muted);margin-bottom:6px}.qr-panel .text-link{font-size:12px}
.pump-intro-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:24px;margin-bottom:32px}.pump-model-card{border:1px solid var(--line);border-radius:11px;background:var(--panel);padding:25px}.pump-model-card h2{font-size:25px;margin:12px 0}.pump-model-card>p{font-size:13px;color:var(--muted)}.pump-model-card img{height:190px;width:100%;object-fit:contain;background:#fff;border-radius:7px;margin:20px 0}.pump-video-stack{display:grid;gap:16px}.pump-video-card{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--panel)}.pump-video-card iframe{width:100%;aspect-ratio:16/9;border:0;display:block;background:#0c0d0e}.pump-video-card .video-placeholder{aspect-ratio:16/9;background:#1a1b1c;position:relative;display:block;width:100%;border:0;padding:0}.pump-video-card .video-placeholder img{width:100%;height:100%;object-fit:cover;opacity:.75}.pump-video-card>div:last-child{padding:16px 19px}.pump-video-card h3{font-size:16px;margin-bottom:8px}.pump-video-card p{font-size:12px;color:var(--muted);margin-bottom:4px}.pump-calculators{margin-top:35px;padding-top:30px;border-top:1px solid var(--line)}.calc-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0}.calc-tabs button{padding:12px 18px;border:1px solid var(--line);background:var(--panel);color:var(--muted);border-radius:7px;font-size:13px;font-weight:700;min-height:46px}.calc-tabs button[aria-selected=true]{background:var(--accent);border-color:var(--accent);color:#161718}.calculator-layout{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:start}.calc-form,.calc-result{border:1px solid var(--line);border-radius:11px;padding:25px;background:var(--panel)}.calc-form h3{font-size:22px;margin-bottom:11px}.calc-form>p{font-size:13px;color:var(--muted)}.calc-fields{display:grid;grid-template-columns:1fr 1fr;gap:17px;margin:22px 0}.calc-field label{display:block;font-size:12px;font-weight:700;margin-bottom:8px}.calc-field input,.calc-field select{width:100%;min-width:0}.calc-field small{display:block;font-size:11px;color:var(--muted);margin-top:7px;line-height:1.5}.calc-equation{font-family:monospace;font-size:13px;padding:15px;border-radius:7px;background:#151719;border:1px solid var(--line);overflow-wrap:anywhere;margin:18px 0}.calc-result{border-top:3px solid var(--accent)}.calc-result .result-number{font-size:51px;line-height:1.15;letter-spacing:-.04em;display:block;font-variant-numeric:tabular-nums;margin:15px 0 8px}.calc-result .result-number span{font-size:20px;color:var(--muted);letter-spacing:0}.calc-result p{font-size:13px;color:var(--muted)}.calc-result dl{margin:21px 0}.calc-result dl>div{display:flex;gap:15px;justify-content:space-between;border-top:1px solid var(--line);padding:11px 0;font-size:12px}.calc-result dt{color:var(--muted)}.calc-result dd{margin:0;font-variant-numeric:tabular-nums;white-space:nowrap}.calc-source{font-size:11px;line-height:1.65;color:var(--muted);margin-top:20px}.calc-source a{color:var(--accent);text-underline-offset:3px}.calc-error{font-size:13px;color:var(--red);margin-top:16px}.flow-row{display:grid;grid-template-columns:1fr 130px 40px;gap:10px;align-items:center;margin-top:12px}.flow-row input{width:100%;min-width:0}.flow-row button{background:none;border:1px solid var(--line);height:42px;border-radius:5px;font-size:20px}.pump-links{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}.pump-links a{display:block;border:1px solid var(--line);border-radius:9px;background:var(--panel);padding:21px;text-decoration:none}.pump-links strong{font-size:15px;display:block;margin-bottom:10px;color:var(--accent)}.pump-links p{font-size:12px;color:var(--muted);margin:0}.pump-note{color:var(--muted);font-size:12px;line-height:1.6;max-width:1000px}
dialog{color:var(--ink);background:var(--panel);border:1px solid #5b6064;border-radius:12px;padding:25px;box-shadow:0 25px 100px #0008}dialog::backdrop{background:#080b0ee0;backdrop-filter:blur(6px)}.dialog-head{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:20px}.dialog-head h2{margin:7px 0 0;font-size:23px}.search-dialog{width:min(720px,94vw);max-height:90dvh}.search-filters{display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted);margin:19px 0}.search-filters label{display:flex;align-items:center;gap:8px}.search-results{max-height:54dvh;overflow:auto}.search-result{display:flex;align-items:center;gap:16px;padding:13px 3px;border-top:1px solid var(--line);text-decoration:none}.search-result img{width:100px;aspect-ratio:16/9;object-fit:contain;border-radius:4px}.search-result small{font-size:10px;color:var(--muted);display:block;margin-bottom:7px}.search-result strong{font-size:14px;line-height:1.4;display:block}.search-result:hover{color:var(--accent)}.saved-star{color:var(--accent);margin-left:auto}.search-empty{padding:25px;color:var(--muted)}.image-dialog{width:96vw;max-width:1700px;max-height:96dvh;background:#101214;padding:16px}.image-dialog-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:14px;font-size:13px}.image-dialog-toolbar>div{display:flex;align-items:center;gap:16px;flex:none}.image-dialog-toolbar a{font-size:12px;color:var(--accent)}.zoom-image-wrap{overflow:auto;max-height:79dvh;background:#000}.zoom-image-wrap img{width:100%;object-fit:contain;max-height:79dvh}.image-dialog>p{font-size:11px;color:var(--muted);margin:11px 0 0}.video-dialog{width:min(960px,94vw);max-height:95dvh}.video-dialog iframe,.video-dialog video{display:block;width:100%;aspect-ratio:16/9;border:0;background:#000}.video-actions{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:17px}.video-actions p{font-size:12px;color:var(--muted);margin:0}.video-actions .button{flex:none}.confirm-dialog{max-width:500px;width:92%}.confirm-dialog h2{font-size:24px}.confirm-dialog p{color:var(--muted);font-size:14px}.toast{position:fixed;left:50%;bottom:25px;transform:translateX(-50%);background:#efeee9;color:#161819;border:1px solid #aaa;border-radius:8px;padding:15px 22px;box-shadow:0 10px 40px #0008;font-size:13px;z-index:100;max-width:90vw;width:max-content;line-height:1.5}.report-page{max-width:1060px}.report-tools{border:1px solid var(--line);background:var(--panel);padding:23px;border-radius:9px;margin-bottom:25px}.report-tools p{font-size:13px;color:var(--muted);max-width:850px}.learning-report{background:#fff;color:#20262a;padding:42px;border-radius:8px;border:1px solid #bbb;color-scheme:light}.report-header{border-bottom:4px solid #c05b34;padding-bottom:23px}.report-header .eyebrow{color:#994423}.report-header h1{font-size:35px;line-height:1.15;margin:14px 0}.report-header p{font-size:13px;color:#59636a;margin:8px 0}.report-section{margin-top:30px}.report-section h2{font-size:25px;border-bottom:1px solid #cfd2d4;padding-bottom:14px}.report-entry{padding:15px 0;border-bottom:1px solid #d3d6d8}.report-entry h3{font-size:19px}.report-entry p,.report-answer{font-size:14px;line-height:1.7}.report-answer{white-space:pre-wrap;overflow-wrap:anywhere}.report-entry .report-prompt{font-size:12px;color:#59636a}.report-entry .report-meta{font-size:11px;color:#667175}.report-entry a,.learning-report .scenario-sources a{color:#934527;font-size:12px}.learning-report .scenario-sources{border-color:#ccc}.action-report{border-left:3px solid #c05b34;background:#fff5ef;padding:20px}.report-footer{font-size:11px;line-height:1.7;color:#667175;margin-top:35px;border-top:1px solid #ccd2d5;padding-top:20px}
@media(max-width:1150px){.main-nav>a{font-size:12px;padding:10px 11px}.masthead,.main-nav,.page{padding-left:25px;padding-right:25px}.lesson-layout{gap:20px;grid-template-columns:minmax(0,1.65fr) minmax(280px,1fr)}.notes-panel,.slide-transcript,.sidebar-topic{padding:18px}.notes-panel textarea{min-height:160px}.resource-layout{grid-template-columns:1fr 1.35fr;gap:20px}.download-card{padding:20px;gap:14px}.file-icon{width:45px;height:55px;font-size:10px}.ask-form{grid-template-columns:minmax(0,1fr) 220px auto}.quick-grid,.video-grid{grid-template-columns:1fr 1fr}.notes-toolbar .subtle{margin-left:0}}
@media(max-width:900px){.masthead{padding-top:23px;padding-bottom:23px}.course-meta>span{display:none}.course-stats{gap:20px;margin:0}.brand-title{font-size:37px}.brand-subtitle{font-size:12px}.main-nav{padding:9px 22px}.main-nav>a{padding:10px 11px}.page{padding:26px 22px}.lesson-layout{grid-template-columns:1fr}.lesson-sidebar{grid-template-columns:1fr 1fr;align-items:start}.sidebar-topic{grid-column:1/-1}.lesson-heading h1{font-size:22px}.notes-panel textarea{min-height:190px}.contents-tools{flex-wrap:wrap;gap:14px}.contents-tools .search-box{max-width:none;flex-basis:100%}.contents-tools .small-note{margin-left:auto}.station-grid{gap:18px}.station-panel{padding:18px}.group-heading h2{font-size:21px}.group-heading{gap:12px}.station-number{font-size:31px}.rotation-card summary{padding:14px}.rotation-body{padding:0 14px 17px}.next-step,.workbook-summary{align-items:flex-start;flex-direction:column}.ask-form{grid-template-columns:1fr 230px}.ask-form .button{grid-column:1/-1;justify-self:start}.resource-layout{grid-template-columns:1fr}.download-stack{grid-template-columns:1fr 1fr}.download-card{flex-direction:column}.manual-library{margin-top:5px}.pump-intro-grid{gap:18px}.pump-model-card{padding:21px}.pump-model-card img{height:145px}.pump-video-card>div:last-child{padding:14px}.calculator-layout{grid-template-columns:1.2fr 1fr;gap:17px}.calc-form,.calc-result{padding:22px}.pump-links{grid-template-columns:1fr 1fr}.site-footer{padding:23px;flex-wrap:wrap}.note-card{grid-template-columns:130px 1fr}.notes-top>div{padding:0 10px}.notes-top strong{font-size:23px}}
@media(max-width:640px){.masthead{padding:19px 18px;display:block}.brand .eyebrow{font-size:9px}.brand-title{font-size:33px;margin:8px 0}.brand-subtitle{font-size:11px}.course-meta{display:none}.mobile-nav-bar{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:9px 18px;min-height:51px}.mobile-nav-bar>span{font-size:13px;font-weight:700}.mobile-nav-bar button{display:flex;align-items:center;gap:13px;font-size:12px;font-weight:700;padding:8px 12px;border:1px solid #5b6064;border-radius:6px;background:#2a2d30;min-height:35px}.main-nav{display:none}.menu-open .main-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding:5px 13px 14px;gap:6px;overflow:visible}.main-nav>a{font-size:11px;text-align:center;white-space:normal;padding:11px 5px;border:1px solid var(--line);border-radius:6px;min-height:41px;display:flex;align-items:center;justify-content:center}.main-nav .count{display:none}.page{padding:24px 17px;min-height:52vh}.page-title{margin:0 0 24px}.page-title h1{font-size:32px;margin:8px 0 11px}.page-title p{font-size:13px}.page-title .eyebrow{font-size:10px}.lesson-heading{align-items:flex-start;gap:14px;margin-bottom:17px}.lesson-heading .eyebrow{font-size:9px;letter-spacing:.07em;line-height:1.6}.lesson-heading h1{font-size:19px;line-height:1.4;margin-top:7px}.lesson-heading .button{font-size:0;padding:10px;min-width:42px;margin-top:4px}.lesson-layout{gap:24px}.lesson-sidebar{grid-template-columns:1fr}.slide-frame{border-radius:6px}.enlarge-label{font-size:9px;bottom:7px;right:7px;padding:5px 7px}.enlarge-label svg{width:12px;height:12px}.slide-controls{gap:8px}.slide-controls .button{padding:9px 10px;font-size:12px;gap:4px;min-height:43px}.slide-controls .button svg{width:16px}.jump-form{gap:5px;font-size:11px}.jump-form input{width:47px;font-size:14px;padding:8px 3px;min-height:42px}.jump-form .of-total{display:none}.jump-form button{font-size:11px;padding:8px 9px}.lesson-utilities{align-items:flex-start;gap:10px}.wake-option{font-size:10px;gap:6px;max-width:205px;padding-top:8px}.wake-option input{width:16px;height:16px;margin-left:0}.lesson-utilities .text-link{font-size:10px;gap:4px;white-space:nowrap}.lesson-utilities svg{display:none}#wake-status{font-size:10px}.notes-panel textarea{min-height:170px}.video-callout{flex-wrap:wrap}.video-callout .button{width:100%}.video-guide{grid-template-columns:1fr;gap:17px;padding:18px}.contents-groups,.scenario-grid,.station-grid,.quick-grid,.video-grid,.note-plan-grid,.manual-matches,.pump-intro-grid,.calculator-layout{grid-template-columns:1fr}.topic-group>summary{padding:18px;gap:12px}.topic-group strong{font-size:15px}.topic-slides{padding:0 17px 12px}.topic-slides>a{font-size:12px}.topic-slides .note-tag{display:none}.video-card-body{padding:21px}.rotation-start{align-items:flex-start;flex-direction:column;gap:15px}.rotation-start>div{width:100%}.rotation-start+.small-note{font-size:11px}.station-panel{padding:19px}.station-grid{margin-top:24px}.rotation-card summary{padding:17px 14px}.rotation-body{padding:0 15px 19px}.group-heading h2{font-size:23px}.group-heading{gap:14px}.station-number{font-size:35px}.review-intro{flex-direction:column;align-items:flex-start;gap:13px}.scenario-card{padding:21px 18px;scroll-margin-top:75px}.scenario-card h3{font-size:22px}.scenario-situation{font-size:13px}.scenario-feedback{padding:16px}.quick-card{padding:22px}.quick-card h2{font-size:22px}.notes-top{grid-template-columns:1fr 1fr;padding:20px;gap:19px 15px}.notes-top>div{padding:0;border:0}.notes-top strong{font-size:24px}.notes-top span{font-size:11px}.notes-toolbar .button{flex:1;min-width:140px;padding:11px 12px;font-size:12px}.notes-toolbar .text-link{font-size:11px}.note-plan-grid{gap:0}.general-notes{padding:20px;margin-bottom:20px}.general-notes textarea{min-height:140px}.section-head{align-items:flex-start}.section-head .text-link{font-size:11px;max-width:165px;text-align:right}.section-head h2{font-size:21px}.note-card{grid-template-columns:1fr;padding:21px;gap:12px}.note-card img{display:none}.note-card .eyebrow{font-size:10px}.note-card h2{font-size:20px}.note-card p{font-size:13px}.backup-banner{flex-direction:column;align-items:flex-start;padding:20px;gap:17px}.backup-banner .button{width:100%}.next-step,.workbook-summary{padding:22px}.next-step .button,.workbook-summary .button-row{width:100%}.workbook-summary .button{flex:1}.download-stack{grid-template-columns:1fr}.download-card{flex-direction:row;padding:21px;gap:15px}.download-card h2{font-size:19px}.download-card .file-icon{width:43px;height:54px;font-size:9px}.download-card p{font-size:12px}.manual-library,.manual-ask{padding:21px 18px}.manual-filters{gap:9px}.manual-filters select{font-size:11px;padding:9px 7px}.manual-row h3{font-size:15px}.ask-form{grid-template-columns:1fr}.ask-form .button{width:100%}.ask-form input,.ask-form select{font-size:14px}.ask-suggestions button{font-size:10px}.ask-header h2{font-size:22px}.manual-ask>p{font-size:12px}.manual-stats{font-size:10px}.qr-panel{padding:19px;gap:17px}.qr-panel img{width:85px;height:85px}.qr-panel h2{font-size:17px}.qr-panel p{font-size:11px}.pump-model-card img{height:190px}.pump-video-stack{gap:20px}.calc-tabs{display:grid;grid-template-columns:1fr 1fr}.calc-tabs button{font-size:12px;padding:11px}.calc-fields{gap:17px 12px}.calc-field label{font-size:11px;line-height:1.5}.calc-field small{font-size:10px}.calc-form,.calc-result{padding:22px 19px}.calc-result .result-number{font-size:46px}.flow-row{grid-template-columns:1fr 100px 34px;gap:7px}.flow-row input{font-size:13px}.pump-links{grid-template-columns:1fr}.site-footer{font-size:10px;flex-direction:column;gap:10px;padding:22px 18px;margin-top:20px}.search-dialog{padding:19px}.search-result img{width:76px}.search-result strong{font-size:13px}.search-filters{font-size:11px}.video-dialog{padding:17px}.video-dialog .dialog-head h2{font-size:20px}.video-actions{align-items:flex-start;flex-direction:column;gap:14px}.image-dialog-toolbar{font-size:11px;gap:10px}.image-dialog-toolbar>span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.image-dialog-toolbar>div{gap:10px}.image-dialog-toolbar a{font-size:11px}.learning-report{padding:25px 20px}.report-header h1{font-size:29px}.report-tools{padding:20px}.report-tools .button{width:100%}.report-section h2{font-size:22px}.action-report{padding:17px}.toast{font-size:12px;bottom:16px;padding:12px 17px}.empty-state{padding:30px 20px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}@media print{body{background:white;color:#111;color-scheme:light}.site-header,.nav-shell,.site-footer,.report-tools,.toast{display:none!important}.report-page{max-width:none;padding:0}.learning-report{border:0;padding:0;box-shadow:none}.report-header h1{font-size:24pt}.report-section h2{font-size:17pt;break-after:avoid}.report-entry h3{font-size:13pt;break-after:avoid}.report-entry p,.report-answer{font-size:11pt;orphans:3;widows:3}.report-entry{break-inside:auto}.report-header{border-bottom:2px solid #777}.action-report{background:none;border-left:2px solid #777;padding:10px 16px}.report-footer{font-size:9pt}.scenario-sources a{color:black!important}@page{margin:18mm}}

/* Resource and pump refinements */
.pump-video-card .video-placeholder{aspect-ratio:3.3;overflow:hidden}
.pump-video-card .video-placeholder img{object-fit:contain;opacity:.72}
.pump-video-card .video-placeholder .play-circle{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:45px;height:45px;border-radius:50%;background:var(--accent);color:#131516;display:grid;place-items:center}
.pump-video-card .video-placeholder .play-circle svg{width:19px;height:19px}
.pump-video-card a{font-size:12px;color:var(--accent)}
.pump-video-card .eyebrow{font-size:9px;display:block;margin-bottom:8px}
.pump-video-card h3{line-height:1.4}
.manual-model{font-weight:700;color:var(--ink)!important}
.manual-edition{font-size:11px!important}
.manual-boundary{border-left:2px solid var(--accent);padding-left:10px;font-size:11px!important;color:var(--ink)!important}
.calc-form .button-row{margin-top:22px}
#example-status{margin-top:14px}
@media(max-width:640px){.pump-video-card .video-placeholder{aspect-ratio:2.5}}

.ask-header{align-items:flex-start;justify-content:space-between;gap:24px}
.ask-header>div{min-width:0;max-width:880px}
.ask-header>div>p{font-size:13px;color:var(--muted);line-height:1.7;margin:11px 0 0}
.ask-header>span{flex:0 0 auto;width:auto;height:auto;font-size:10px;line-height:1.6;padding:8px 11px;max-width:205px;white-space:normal;text-align:center}
.ask-response:empty{display:none}
@media(max-width:640px){.ask-header{display:block}.ask-header>span{display:inline-block;max-width:none;margin-top:14px}.ask-header>div>p{font-size:12px}.ask-suggestions>span{flex-basis:100%;font-size:11px}}

@media(min-width:641px) and (max-width:900px){.main-nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:5px;overflow:visible}.main-nav>a{font-size:11px;text-align:center;white-space:normal;display:flex;justify-content:center;align-items:center;min-height:40px}.main-nav>a:last-child{grid-column:4/6}}

.pump-video-wordmark{display:block;text-align:left;padding:25px;color:#dadcdd;font-size:30px;font-weight:800;letter-spacing:.02em;background:linear-gradient(120deg,#2d3438,#151719);height:100%}.pump-video-wordmark small{display:block;font-size:9px;letter-spacing:.12em;margin-top:5px;color:#8e9ca5}.pump-video-card .video-placeholder:has(.pump-video-wordmark) .play-circle{left:82%}

#calc-heading,#ask-heading{scroll-margin-top:110px}.pump-model-card .pump-note{margin-top:16px}
/* Pump learning lab, November 2026 */
.pump-section-nav{display:flex;flex-wrap:wrap;gap:8px;margin:-10px 0 30px}.pump-section-nav button{background:var(--panel,#202225);color:#e5e5e3;border:1px solid #3c4144;border-radius:6px;padding:12px 17px;font-weight:700;cursor:pointer}.pump-section-nav button:hover{border-color:var(--accent);color:var(--accent)}
.pump-lab{padding-top:8px}.lab-badge{font-size:10px;letter-spacing:.12em;font-weight:800;border:1px solid #48616b;border-radius:20px;color:#9bd9ed;padding:9px 13px;white-space:nowrap}.pump-explorer{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(285px,1fr);border:1px solid #3b4145;border-radius:12px;overflow:hidden;background:#202427}.model-stage-column{min-width:0;background:#121a20}.model-stage{height:440px;position:relative;background:radial-gradient(ellipse at 55% 40%,#2d414c,#10181f 75%)}#pump-webgl{position:absolute;inset:0;width:100%;height:100%}#pump-webgl canvas{display:block;outline-offset:-5px;touch-action:none}.model-corner{position:absolute;top:20px;left:22px;z-index:1;pointer-events:none;display:grid;gap:6px}.model-corner strong{font-size:15px;color:#eef4f6}.model-corner span{font-size:11px;color:#9bafb9}.model-caption{position:absolute;bottom:16px;left:20px;right:20px;text-align:center;pointer-events:none;font-size:11px;line-height:1.5;color:#c1d3dc;background:#10181fe6;padding:6px;border-radius:4px}.model-toolbar{display:flex;gap:7px;flex-wrap:wrap;padding:16px;border-top:1px solid #2e3c45}.model-toolbar .button.small{font-size:11px;padding:11px}.model-toolbar button[aria-pressed=true].secondary{border-color:#83b7c8;color:#aee0ef}.model-zoom{border:1px solid #41515b;border-radius:5px;background:#1d2b34;color:white;min-width:36px;font-size:21px;cursor:pointer}.water-path-key{display:flex;flex-wrap:wrap;gap:18px;padding:0 18px 18px;font-size:10px;color:#aebfc8}.water-path-key span,.model-parts button{display:flex;align-items:center;gap:7px}.water-path-key i,.model-parts i{width:8px;height:8px;display:inline-block;border-radius:50%;flex-shrink:0}.model-detail{padding:22px;border-left:1px solid #3a4147}.model-parts{display:grid;grid-template-columns:1fr 1fr;gap:7px;padding-bottom:22px}.model-parts button{font-size:11px;line-height:1.4;font-weight:700;color:#cdd5d9;background:#192126;border:1px solid #3a454c;border-radius:5px;padding:10px;text-align:left;cursor:pointer}.model-parts button[aria-pressed=true]{border-color:#74c5de;color:#fff;background:#283d47}#model-part-info h3{font-size:23px;line-height:1.2;margin:9px 0 13px}#model-part-info h4{font-size:12px;margin:20px 0 5px;color:#e0e4e5}#model-part-info p{font-size:12px;line-height:1.7;color:#bcc5ca;margin:0}#model-part-info>a{display:block;margin-top:18px;font-size:11px}.model-disclosure{font-size:11px;line-height:1.7;color:#9ca8ae;margin:16px 0}.model-reference{border-bottom:1px solid #373c40;padding:0 0 20px}.model-reference summary{color:var(--accent);font-size:12px;cursor:pointer}.model-reference p{font-size:12px;color:#bac1c5;line-height:1.7}.model-reference-grid{display:grid;grid-template-columns:minmax(180px,1fr) 1fr;gap:25px;margin-top:20px}.model-reference-grid img{width:100%;height:260px;object-fit:contain;background:white}.model-reference-grid a{font-size:12px}#model-fallback{position:absolute;inset:70px 20px 45px;text-align:center}#model-fallback img{max-width:100%;height:72%;object-fit:contain}#model-fallback p{font-size:12px;color:#d3e1e8}
.pump-page h2{font-size:27px}.pump-page .pump-note{max-width:900px;font-size:13px;line-height:1.8}.pump-calculators{margin-top:32px;padding-top:24px}.pump-page select{display:block;width:100%;min-width:0;color:#ededeb;background:#141719;border:1px solid #444a4e;border-radius:6px;padding:13px 34px 13px 13px;font:inherit;font-size:13px;min-height:46px}.pump-page label{display:block;font-size:12px;font-weight:700;margin-bottom:7px}.pump-page .calc-field input{font-size:17px}.calc-form h3{font-size:24px;margin:8px 0 10px}.calc-setup-note{font-size:12px!important;color:#acb6bb!important;margin-bottom:22px!important}.calc-result-column{min-width:0}.calculator-layout{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr)!important;align-items:start}.calc-form,.calc-result{padding:25px!important}.calc-result{position:static!important}.calc-tabs{flex-wrap:wrap}.calc-tabs button{flex:1;white-space:normal;min-width:140px}.calc-fields{gap:16px!important;margin:20px 0!important}.hose-control{min-width:0}.hose-basis{color:#8fcedf;font-size:11px;font-weight:700;margin:8px 0}.hose-data{font-size:11px}.hose-data summary{color:#a8b2b8;cursor:pointer}.hose-data p{font-size:11px!important;line-height:1.7}.hose-data a{font-size:11px}.hose-segment{border:1px solid #3d4449;border-radius:8px;background:#1a1e21;padding:16px;margin:15px 0}.segment-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.segment-heading strong{font-size:12px;color:#9ed3e1}.segment-heading .text-link{font-size:10px}.segment-fields{display:grid;grid-template-columns:minmax(0,2fr) minmax(90px,1fr);gap:15px}.add-segment{margin:6px 0 10px}.calc-method{margin-top:20px;font-size:11px;border-top:1px solid #3d4347;padding-top:16px}.calc-method summary{cursor:pointer;color:#b7c1c7}.calc-method p{font-size:11px!important;line-height:1.8}.nozzle-choice{margin-bottom:14px}.calc-result h3{font-size:17px;margin:10px 0}.result-number{font-size:57px!important;line-height:1.1!important;color:#f39a70}.result-number>span{font-size:20px!important}.calc-equation{font-size:12px;overflow-wrap:anywhere}.hose-layout{display:flex;align-items:flex-start;justify-content:space-between;gap:4px;padding:22px 0;margin:16px 0;border-top:1px solid #3a4248;border-bottom:1px solid #3a4248;overflow-x:auto}.layout-end{text-align:center;flex:0 0 55px;display:grid;gap:5px}.layout-end strong,.layout-hose strong{font-size:10px;display:block;color:#dce4e8}.layout-end small,.layout-hose small{font-size:9px;line-height:1.5;color:#b4c2ca}.layout-machine,.layout-nozzle{height:36px;width:36px;display:grid;place-items:center;background:#bd4f32;color:white;border-radius:5px;font-weight:800;margin:0 auto 4px}.layout-nozzle{background:#245d70;border-radius:50%}.layout-hose{flex:1;min-width:65px;text-align:center;display:grid;gap:5px}.layout-pipe{display:block;background:repeating-linear-gradient(90deg,#63a4b9 0px,#63a4b9 6px,#4e899d 6px,#4e899d 9px);height:9px;border-radius:6px;margin:14px 0 16px}.pressure-breakdown{display:grid;gap:13px;margin:20px 0}.pressure-line>div{display:flex;justify-content:space-between;gap:10px;font-size:11px;margin-bottom:5px}.pressure-line strong{font-size:12px}.pressure-track{display:block;background:#30383e;height:5px;border-radius:4px}.pressure-track i{display:block;height:100%;border-radius:4px}.pressure-nozzle{background:#e5aa6b}.pressure-hose{background:#6eb8cc}.pressure-appliance{background:#bb9dda}.pressure-elevation{background:#8bc3a3}.calc-caution{font-size:11px!important;color:#f4c389!important;border-left:2px solid #dcad66;padding-left:12px}.calc-compare{margin-top:17px;border:1px solid #3c4449;border-radius:10px;padding:23px;background:#1d2429}.calc-compare h3{font-size:19px;margin:8px 0 12px}.calc-compare p{font-size:12px;color:#b9c3c9;line-height:1.7}.comparison-numbers{display:grid;grid-template-columns:1fr 1fr;gap:14px}.comparison-numbers>div{display:grid;gap:5px;padding:12px;background:#151d23;border-radius:6px}.comparison-numbers small{font-size:10px;color:#a9bac4}.comparison-numbers strong{font-size:25px;color:#d5ecf4}.comparison-numbers span{font-size:12px}.comparison-delta{color:#f2a77f!important;font-weight:700}.flow-row .small-note{display:block}.flow-row input{min-width:0}
.pump-learning-videos,.inspection-lab{padding:32px 0;margin-top:26px;border-top:1px solid #383e42}.pump-video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:24px}.pump-video-grid .pump-video-card{display:block}.pump-video-grid .pump-video-mount{height:160px}.pump-video-grid .video-placeholder{height:100%;width:100%;aspect-ratio:auto}.pump-video-grid iframe{width:100%;height:100%;border:0}.pump-video-grid .pump-video-card>div+div{padding:19px}.inspection-lab>p{font-size:13px;line-height:1.8;color:#b8bfc4;max-width:900px}.inspection-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:24px}.inspection-card{border:1px solid #3b4247;border-radius:10px;overflow:hidden;background:#202427}.inspection-card>a{position:relative;display:block;background:#101417}.inspection-card>a img{width:100%;height:230px;object-fit:cover;object-position:center}.inspection-card>a span{position:absolute;right:12px;bottom:12px;font-size:10px;background:#111b;padding:7px 10px;color:#fff;border-radius:4px}.inspection-body{padding:23px}.inspection-body h3{font-size:23px;margin:9px 0 12px}.inspection-body p{font-size:12px;line-height:1.8;color:#bcc5cb}.inspection-body textarea{width:100%;resize:vertical;min-height:95px;background:#161d22;color:#e5eaed;border:1px solid #414b53;border-radius:6px;padding:12px;font:inherit;font-size:13px;box-sizing:border-box}.inspection-body details{margin:18px 0;font-size:12px}.inspection-body summary{cursor:pointer;color:var(--accent)}.pump-section-nav button,.model-toolbar button,.model-parts button,.calc-tabs button{min-height:44px}.saved-calculations{margin:28px 0}.calculation-note{padding:20px 24px;border:1px solid #3a4248;border-radius:8px;margin:12px 0;background:#202528}.calculation-note h3{font-size:20px;margin:5px 0 13px}.calculation-note p{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;line-height:1.8;color:#c6ced3}.calculation-note summary{cursor:pointer}.model-reference[open]{padding-top:10px}#model-heading,#inspection-heading,#pump-video-heading{scroll-margin-top:115px}
@media(max-width:1050px){.pump-explorer{grid-template-columns:minmax(0,1.4fr) minmax(270px,1fr)}.model-detail{padding:18px}.model-parts{grid-template-columns:1fr 1fr}.model-stage{height:430px}.calculator-layout{grid-template-columns:1fr!important}.calc-result-column{display:grid;grid-template-columns:1fr 1fr;gap:17px}.calc-compare{margin-top:0}.result-number{font-size:47px!important}.pump-video-grid{gap:10px}}
@media(max-width:760px){.pump-explorer{grid-template-columns:1fr}.model-detail{border-left:0;border-top:1px solid #3a4147}.model-parts{grid-template-columns:repeat(3,minmax(0,1fr))}.model-stage{height:380px}.calc-result-column{display:block}.calc-compare{margin-top:17px}.pump-video-grid{grid-template-columns:1fr}.pump-video-grid .pump-video-card{display:grid;grid-template-columns:1fr 1.1fr}.pump-video-grid .pump-video-mount{height:100%;min-height:180px}.inspection-grid{grid-template-columns:1fr}.model-reference-grid{grid-template-columns:1fr 1fr}.model-reference-grid img{height:230px}}
@media(max-width:480px){.pump-section-nav{display:grid;grid-template-columns:1fr 1fr}.pump-section-nav button{font-size:11px;padding:11px}.model-stage{height:310px}.model-corner{top:13px;left:15px}.model-corner strong{font-size:12px}.model-toolbar{padding:12px;gap:6px}.model-toolbar .button.small{padding:9px;font-size:10px}.model-parts button{padding:9px 7px;font-size:10px}.model-detail{padding:18px}.model-caption{font-size:9px;bottom:8px;left:10px;right:10px}.lab-badge{font-size:8px;padding:7px 9px}.pump-page h2{font-size:25px}.calc-tabs{display:grid;grid-template-columns:1fr 1fr;gap:7px}.calc-tabs button{min-width:0;font-size:11px;padding:12px 8px}.calc-form,.calc-result{padding:19px!important}.calc-fields{grid-template-columns:1fr 1fr!important;gap:12px!important}.segment-fields{grid-template-columns:1fr}.segment-fields .calc-field{max-width:160px}.calc-field small{font-size:10px}.pump-page select{font-size:12px}.calc-form .button-row{gap:8px}.calc-form .button-row .button{font-size:11px;padding:12px}.model-reference-grid{grid-template-columns:1fr}.pump-video-grid .pump-video-card{display:block}.pump-video-grid .pump-video-mount{height:160px;min-height:0}.inspection-body{padding:19px}.inspection-card>a img{height:230px}.result-number{font-size:48px!important}.water-path-key{font-size:9px;gap:12px}.model-reference summary{font-size:11px}}
#pump-webgl>svg{display:block;width:100%;height:100%;touch-action:none;background:transparent!important}.inspection-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.inspection-card:nth-child(2)>a img{object-fit:contain}.inspection-card:first-child>a img{object-fit:contain}@media(max-width:1000px){.inspection-grid{grid-template-columns:1fr 1fr}.inspection-card:last-child{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr}.inspection-card:last-child>a img{height:100%;max-height:600px}}@media(max-width:640px){.inspection-grid{grid-template-columns:1fr}.inspection-card:last-child{display:block;grid-column:auto}.inspection-card:last-child>a img{height:280px}}
.calc-mobile-result{display:none}@media(max-width:1050px){.calc-mobile-result{display:block;position:sticky;top:118px;z-index:5;background:#d2754d;color:#171615;font-size:14px;font-weight:800;padding:13px 18px;border-radius:7px;margin:0 0 14px;box-shadow:0 4px 12px #0004}}@media(max-width:640px){.calc-mobile-result{top:62px;font-size:13px}}

/* Detailed assembly viewer. The same asset supplies the live and rendered views. */
.brand{display:flex;align-items:center;gap:21px}.brand-copy{display:flex;flex-direction:column}.epfd-brand-logo{display:block;width:80px;height:102px;object-fit:contain;flex:none}.assembly-lab{margin-top:32px}.assembly-shell{border:1px solid #42484d;border-radius:12px;overflow:hidden;background:#202427}.assembly-topbar{display:flex;justify-content:space-between;align-items:center;padding:17px 22px;background:#282d31;border-bottom:1px solid #454b50;gap:12px}.assembly-topbar strong{display:block;font-size:17px;font-weight:750}.assembly-topbar span{display:block;font-size:10px;color:#aeb9c2;letter-spacing:.08em;margin-top:4px}.assembly-expand{background:transparent;border:1px solid #67727a;color:#e5e9ec;min-height:40px;border-radius:5px;font:inherit;font-size:12px;padding:8px 13px;cursor:pointer;white-space:nowrap}.assembly-workspace{display:grid;grid-template-columns:minmax(0,1fr) 310px}.assembly-view-column{min-width:0;background:#bfc2c5}.assembly-stage{position:relative;height:590px;min-height:400px;overflow:hidden;background:#bfc2c5;isolation:isolate}.assembly-stage #pump-webgl,.assembly-turntable{position:absolute;inset:0;width:100%;height:100%}.assembly-stage #pump-webgl canvas{display:block;max-width:100%;touch-action:none;outline:none}.assembly-turntable{display:flex;align-items:center;justify-content:center;overflow:hidden;cursor:grab;touch-action:none;outline:none;background:#bfc2c5}.assembly-turntable:active{cursor:grabbing}.assembly-turntable[hidden],.assembly-stage #pump-webgl[hidden]{display:none!important}.assembly-turntable img{display:block;width:100%;height:100%;object-fit:contain;user-select:none;pointer-events:none;transform-origin:center;transition:transform .08s linear}.assembly-turntable:focus-visible,.assembly-stage canvas:focus-visible{outline:3px solid #7f3019;outline-offset:-4px}.assembly-watermark{position:absolute;z-index:2;top:20px;left:23px;pointer-events:none;color:#535b62;font-size:18px;font-weight:900;letter-spacing:.13em;opacity:.8;line-height:1.2}.assembly-watermark span{display:block;font-size:8px;font-weight:750;letter-spacing:.18em;margin-top:4px}.assembly-stage-label{position:absolute;z-index:2;bottom:17px;left:23px;right:65px;display:flex;justify-content:space-between;align-items:center;gap:10px;pointer-events:none;color:#3f484f}.assembly-stage-label span:first-child{font-size:9px;font-weight:850;letter-spacing:.14em}.assembly-stage-label span:last-child{font-size:10px;font-weight:650;padding:5px 8px;border-radius:4px;background:#e9ebedb8}.assembly-zoom{position:absolute;right:17px;bottom:16px;display:flex;flex-direction:column;gap:5px;z-index:3}.assembly-zoom button{height:38px;width:38px;border:1px solid #7e878d;background:#f0f1f2d9;border-radius:5px;color:#283238;font-size:24px;cursor:pointer}.assembly-controls{background:#282e32;padding:16px 20px 12px;border-top:1px solid #41494f}.assembly-modes{display:flex;gap:8px}.assembly-controls button{min-height:43px;cursor:pointer;border-radius:5px;font-family:inherit;font-weight:750;font-size:12px}.assembly-modes button{flex:1;color:#dee3e7;background:#343b40;border:1px solid #555f67;padding:10px 12px}.assembly-modes button[aria-pressed=true]{background:#e4855a;color:#171a1c;border-color:#ed9a75}.assembly-views{display:flex;gap:4px;flex-wrap:wrap;margin-top:9px;justify-content:center}.assembly-views button{border:0;color:#b9c3cb;background:transparent;padding:6px 10px;min-height:35px;font-size:11px;font-weight:650}.assembly-views button:hover{background:#41484e;color:#fff}.assembly-readout{display:flex;justify-content:center;flex-wrap:wrap;gap:18px;padding:10px 12px 15px;color:#b4bfc7;background:#282e32;font-size:10px}.assembly-readout span{display:flex;align-items:center;gap:6px}.assembly-readout i{display:block;width:8px;height:8px;border-radius:2px;background:#b83f37;border:1px solid #d7655c}.assembly-readout i.bronze{background:#b29a5d;border-color:#d1bd85}.assembly-readout i.steel{background:#9faab1;border-color:#d1d8de}.assembly-sidebar{background:#20262a;border-left:1px solid #424b52;min-width:0}.assembly-component-heading{font-size:10px;font-weight:800;color:#a5b4bf;letter-spacing:.12em;padding:21px 20px 13px}.assembly-components{padding:0 13px;display:grid;gap:4px}.assembly-components button{display:flex;align-items:center;gap:10px;width:100%;text-align:left;border:1px solid transparent;background:transparent;color:#d7dfe5;border-radius:5px;padding:10px 9px;min-height:42px;font:inherit;font-size:12px;font-weight:700;cursor:pointer}.assembly-components button span{font-size:9px;letter-spacing:.04em;color:#8e9da8;flex:none}.assembly-components button b{margin-left:auto;color:#7d8d98;font-size:12px}.assembly-components button:hover{background:#313b42;border-color:#465660}.assembly-components button[aria-pressed=true]{background:#3a302b;border-color:#b77b59;color:#ffb68c}.assembly-components button[aria-pressed=true] span,.assembly-components button[aria-pressed=true] b{color:#f1a276}.assembly-info{padding:22px 22px 24px;margin-top:13px;border-top:1px solid #3d484f}.assembly-part-number{font-size:9px;color:#ec9a6f;letter-spacing:.12em;font-weight:800}.assembly-info h3{font-size:21px;line-height:1.22;margin:10px 0 15px}.assembly-info p{font-size:12px;line-height:1.75;color:#c0cbd2;margin:10px 0}.assembly-info h4{font-size:12px;margin:18px 0 6px;color:#e9eef2}.assembly-info p.assembly-limit{padding-top:12px;margin-top:14px;border-top:1px solid #3c464d;font-size:11px;color:#9fadb8}.assembly-info .text-link{font-size:11px;line-height:1.6;display:inline-block;margin-top:9px}.assembly-disclosure{color:#9faab2;font-size:11px;line-height:1.7;max-width:1100px;margin:16px 0 23px}.assembly-source-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:34px;padding:20px 0 5px}.assembly-source-grid img{display:block;max-height:680px;width:100%;object-fit:contain;margin:18px 0 10px;background:#fff}.assembly-source-grid h3{font-size:21px}.assembly-source-grid p{font-size:13px;line-height:1.8}.assembly-source-grid a{font-size:12px}.assembly-source-grid ul{padding-left:20px;line-height:2.6}.assembly-expanded{overflow:hidden}.assembly-shell.is-expanded{position:fixed;inset:12px;z-index:200;overflow-y:auto;box-shadow:0 0 0 30px #101416e8}.assembly-shell.is-expanded .assembly-stage{height:calc(100vh - 220px);min-height:440px}.assembly-shell.is-expanded .assembly-workspace{grid-template-columns:minmax(0,1fr) 320px}
@media(min-width:1400px){.assembly-stage{height:640px}}
@media(max-width:1100px){.assembly-workspace{grid-template-columns:minmax(0,1fr) 270px}.assembly-stage{height:540px}.assembly-stage-label{display:block}.assembly-stage-label span{display:block;width:max-content;margin-top:6px}.assembly-info{padding:20px 17px}.assembly-topbar{padding:15px 18px}.assembly-info h3{font-size:19px}}
@media(max-width:800px){.assembly-workspace,.assembly-shell.is-expanded .assembly-workspace{grid-template-columns:1fr}.assembly-stage{height:480px;min-height:340px}.assembly-sidebar{border-left:0;border-top:1px solid #424b52}.assembly-components{grid-template-columns:repeat(4,minmax(0,1fr));padding:0 15px;gap:5px}.assembly-components button{display:block;padding:9px 8px;font-size:11px;line-height:1.4;background:#2b3339;min-height:65px}.assembly-components button span{display:block;margin-bottom:3px}.assembly-components button b{display:none}.assembly-component-heading{padding:17px 19px 13px}.assembly-info{padding:20px;margin-top:17px}.assembly-info p{font-size:13px}.assembly-info h3{font-size:23px}.assembly-info .text-link{font-size:12px}.assembly-info p.assembly-limit{font-size:12px}.assembly-shell.is-expanded .assembly-stage{height:65vh;min-height:350px}.assembly-source-grid{grid-template-columns:1fr 1fr;gap:22px}}
@media(max-width:640px){.brand{gap:12px}.epfd-brand-logo{width:58px;height:78px}.brand-copy{min-width:0}.brand-copy .eyebrow{font-size:8px;letter-spacing:.09em;line-height:1.5}.brand-copy .brand-title{font-size:27px}.brand-copy .brand-subtitle{font-size:10px;line-height:1.5}.assembly-topbar{padding:13px 14px}.assembly-topbar strong{font-size:14px}.assembly-topbar span{font-size:8px;letter-spacing:.04em}.assembly-expand{font-size:10px;min-height:38px;padding:7px 9px}.assembly-stage{height:365px;min-height:300px}.assembly-watermark{left:15px;top:16px;font-size:14px}.assembly-watermark span{font-size:6px}.assembly-stage-label{left:14px;bottom:12px}.assembly-stage-label span:first-child{font-size:8px}.assembly-stage-label span:last-child{font-size:8px;padding:4px 6px}.assembly-zoom{right:10px;bottom:12px}.assembly-zoom button{width:35px;height:35px}.assembly-controls{padding:13px 12px 8px}.assembly-modes{gap:6px}.assembly-modes button{font-size:11px;padding:8px}.assembly-views{gap:0}.assembly-views button{font-size:10px;padding:6px 8px}.assembly-readout{font-size:8px;gap:10px}.assembly-components{grid-template-columns:repeat(2,minmax(0,1fr))}.assembly-components button{display:flex;gap:9px;min-height:44px;padding:10px 9px;font-size:11px}.assembly-components button span{margin:0}.assembly-components button b{display:block}.assembly-info{padding:19px}.assembly-disclosure{font-size:10px}.assembly-source-grid{grid-template-columns:1fr;gap:20px}.assembly-shell.is-expanded{inset:4px}.assembly-shell.is-expanded .assembly-stage{min-height:320px;height:55vh}}
@media(prefers-reduced-motion:reduce){.assembly-turntable img{transition:none}}
.assembly-stage,.assembly-turntable{background:radial-gradient(ellipse at 50% 30%,#e1e3e5 0%,#c6c9cc 65%,#b7bdc2 100%)}
.assembly-shell.is-expanded .assembly-topbar{position:sticky;top:0;z-index:8}.assembly-shell.is-expanded .assembly-stage{height:calc(100vh - 250px)}@media(max-width:800px){.assembly-shell.is-expanded .assembly-stage{height:60vh;min-height:340px}}
@media(max-width:640px){.assembly-shell.is-expanded .assembly-stage{height:370px;min-height:280px;max-height:55vh}}
@media(min-width:801px){.assembly-shell.is-expanded .assembly-stage{height:min(760px,calc(100vh - 250px))}}

.presenter-credits{max-width:1384px;margin:0 auto;padding:0 32px 20px;display:flex;align-items:baseline;flex-wrap:wrap;gap:8px 24px;color:var(--muted);font-size:12px}.presenter-label{font-size:10px;letter-spacing:.09em;text-transform:uppercase;color:var(--accent);font-weight:700}.presenter-credits ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 24px}.presenter-credits li{color:var(--ink)}@media(max-width:900px){.presenter-credits{padding:0 32px 18px}}@media(max-width:640px){.presenter-credits{display:block;padding:0 18px 16px}.presenter-credits ul{display:grid;gap:3px;margin-top:6px;font-size:11px}}
.class-path{display:flex;align-items:center;gap:7px;flex-wrap:wrap;padding:12px 0 18px;margin-bottom:10px;border-bottom:1px solid var(--line)}.class-path a,.class-path button{display:inline-flex;align-items:center;gap:7px;background:transparent;border:0;color:var(--muted);font-size:11px;line-height:1.5;text-decoration:none;padding:5px 7px;cursor:pointer}.class-path .path-intro{color:var(--accent);font-weight:800;padding-left:0}.class-path b{border:1px solid #565b61;width:21px;height:21px;border-radius:50%;display:inline-grid;place-items:center;font-size:10px}.class-path a:hover,.class-path button:hover{color:var(--ink)}.start-intro{padding:22px 0 34px;max-width:780px}.start-intro h1{font-family:Academy,sans-serif;font-size:clamp(34px,5vw,59px);line-height:1.05;margin:15px 0 20px;text-transform:uppercase;letter-spacing:.01em}.start-intro 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.drive-console{border-top:1px solid var(--line,#444);padding:20px;background:#171b1e}
.drive-console-head{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}
#drive-state{font-size:13px;font-weight:750;color:#f1e6cf}
.drive-buttons{display:flex;gap:7px;flex-wrap:wrap}
.drive-buttons button{border:1px solid #51585e;background:#252b30;color:#f1f2f2;padding:10px 13px;border-radius:6px;min-height:42px;cursor:pointer;font-weight:700;font-size:12px}
.drive-buttons button[aria-pressed="true"],#drive-play{background:#f38353;color:#151718;border-color:#f38353}
.drive-buttons button:disabled,.drive-speed select:disabled{opacity:.45;cursor:default}
.drive-console p{font-size:13px;line-height:1.65;margin:13px 0;color:#ced2d5}
.drive-console .small-note{font-size:11px;color:#abb3b9}
.drive-speed{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-top:13px;font-size:12px;color:#bdc5ca}
.drive-speed select{padding:6px 8px;border:1px solid #596168;background:#252b30;color:#f3f3f3;border-radius:4px}
.drive-speed span{font-size:11px}
.drive-path{display:flex;align-items:center;gap:7px;flex-wrap:wrap;font-size:10px;text-transform:uppercase;letter-spacing:.06em}
.drive-path span{border:1px solid #596168;padding:7px 9px;border-radius:4px;background:#282f34;color:#e9eff2}.drive-path b{color:#f38353}
#drive-fallback video{width:100%;max-height:320px;background:#101213;border-radius:6px}
.lesson-sources{margin:0 0 20px;padding:13px 17px;background:#222629;border:1px solid #42494e;border-radius:8px;font-size:13px}.lesson-sources summary{cursor:pointer;font-weight:700}.lesson-sources p{line-height:1.65}
@media(max-width:650px){.drive-console{padding:15px}.drive-buttons button{flex:1 1 40%}.drive-console-head{display:block}.drive-console-head .eyebrow{display:block;margin-bottom:5px}}