:root{--blue:#064be9;--blue-dark:#0038b7;--ink:#111c2e;--muted:#5d697b;--line:#dce3ed;--paper:#f4f6fa;--seal:#098791;--water:#2868d8;--debris:#516274;--radius:12px;font-family:"Poppins","Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}
body{margin:0;font-size:16px;line-height:1.5}
button,input,select{font:inherit}
button,a,input,select,summary{touch-action:manipulation}
button{cursor:pointer}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,.table-scroll:focus-visible{outline:3px solid #6592ff;outline-offset:3px}
[hidden]{display:none!important}
.sr-only,.skip-link{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link:focus{position:fixed;top:8px;left:8px;clip:auto;width:auto;height:auto;padding:12px;background:white;z-index:10}
.site-header{height:91px;padding:0 max(32px,calc((100vw - 1440px)/2));display:flex;justify-content:space-between;align-items:center;gap:20px;background:#fff;border-bottom:1px solid var(--line)}
.brand{display:block;line-height:0;min-width:0;flex-shrink:1}
.brand img{width:238px;max-width:100%;height:auto}
nav{display:flex;align-items:center;gap:34px;font-size:14px;font-weight:600}
nav a{color:var(--muted)}
.back-to-site{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:11px 17px;border:1px solid var(--blue);border-radius:7px;background:var(--blue);color:white;white-space:nowrap;box-shadow:0 3px 8px #064be91a}
.back-to-site:hover{background:var(--blue-dark);color:white;text-decoration:none}
.back-to-site svg{width:17px;height:17px;flex-shrink:0}
.nav-current{color:var(--blue);position:relative}
.nav-current::after{content:"";height:3px;position:absolute;bottom:-34px;left:0;right:0;background:var(--blue)}
main{max-width:1440px;margin:auto;padding:38px 32px 0}
.page-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:28px}
.eyebrow{font:600 12px/1.5 "Segoe UI",Arial,sans-serif;letter-spacing:1.6px;color:var(--blue);margin:0 0 10px}
h1,h2,h3,p{margin:0}
h1{font-size:clamp(26px,2.4vw,35px);font-weight:650;letter-spacing:-1.1px;line-height:1.2}
h1 span{font-weight:400;color:var(--muted)}
.intro{color:var(--muted);margin-top:11px;font-size:16px}
.preliminary-tag{background:#e9eef7;border:1px solid #d5deec;color:#52647d;white-space:nowrap;padding:8px 13px;border-radius:6px;font-size:13px;display:flex;align-items:center;gap:8px}
.preliminary-tag span{font-size:19px}
.workspace{display:grid;grid-template-columns:326px minmax(0,1fr);gap:24px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.configuration-panel{padding:23px 23px 20px}
.panel-heading{display:flex;align-items:center;gap:12px;margin-bottom:22px}
.section-number{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;background:#eef3ff;color:var(--blue);font:600 12px/1 "Consolas",monospace;width:28px;height:28px;border-radius:6px}
h2{font-size:18px;font-weight:650;letter-spacing:-.3px}
h3{font-size:16px;font-weight:600}
fieldset{margin:0;padding:0;border:0;min-width:0}
legend,label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.segment-control{display:grid;grid-template-columns:.9fr 1.05fr 1.25fr;border:1px solid #d8e0ee;border-radius:7px;overflow:hidden;padding:3px;background:#f6f8fc;gap:2px}
.segment-control label{position:relative;display:flex;margin:0;cursor:pointer;min-width:0}
.segment-control input{position:absolute;opacity:0;width:1px;height:1px}
.segment-control span{width:100%;padding:10px 3px;text-align:center;font-size:13px;font-weight:500;border-radius:5px}
.segment-control input:checked+span{background:var(--blue);color:white;box-shadow:0 2px 5px #064be925}
.segment-control input:focus-visible+span{outline:2px solid #6592ff;outline-offset:-2px}
.form-section{margin-top:23px}
.unit-input{display:flex;align-items:center;border:1px solid #cdd7e4;border-radius:7px;height:48px;overflow:hidden;background:#fff}
.unit-input:focus-within{border-color:var(--blue);box-shadow:0 0 0 2px #064be91a}
.unit-input input{font-size:19px;font-weight:600;width:100%;min-width:0;padding:10px 12px;color:var(--ink);background:transparent;border:0;outline:none}
.unit-input span{font-size:14px;color:var(--muted);padding:0 13px 0 0;flex-shrink:0}
.field-help{font-size:12px;color:var(--muted);line-height:1.55;margin-top:7px}
.volume-split{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.volume-split label{font-size:13px;white-space:nowrap}
.calculated{background:#f3f6fb;border-color:#e1e6ef}
output{font-size:19px;font-weight:600;padding:10px 12px;flex:1;color:#52647e}
.pump-options{display:flex;flex-direction:column;gap:8px}
.pump-options label{display:flex;align-items:center;gap:10px;padding:11px 12px;margin:0;border:1px solid #d8e0ed;border-radius:7px;cursor:pointer}
.pump-options label:has(input:checked){border-color:var(--blue);background:#f3f7ff}
input[type=radio]{width:16px;height:16px;accent-color:var(--blue);flex-shrink:0}
.pump-options strong{font-size:14px;font-weight:600;display:block}
.pump-options small{font-size:12px;font-weight:400;color:var(--muted);display:block;margin-top:2px}
.seal-field{background:#f0f8f8;border:1px solid #cfe5e6;border-radius:8px;padding:13px;margin-top:14px}
.seal-field label{font-size:13px;color:#21666b}
.seal-field .unit-input{height:42px;border-color:#bed8db}
.seal-field .unit-input input{font-size:17px}
select{width:100%;border:1px solid #cdd7e4;border-radius:7px;padding:11px 9px;background:#fff;color:var(--ink);font-size:14px;min-height:46px}
.head-description{font-size:12px;line-height:1.6;color:var(--muted);border-left:2px solid #a6bfff;padding-left:10px;margin-top:11px}
.primary-button{display:flex;align-items:center;justify-content:center;gap:9px;width:100%;background:var(--blue);color:white;border:1px solid var(--blue);padding:13px 12px;margin-top:22px;border-radius:7px;font-size:14px;font-weight:600;min-height:48px}
.primary-button:hover{background:var(--blue-dark)}
.primary-button svg{width:19px;height:19px}
.automatic-note{font-size:12px;color:var(--muted);text-align:center;margin-top:9px}
.form-error{background:#fff2f0;color:#a12525;padding:12px;font-size:14px;border:1px solid #edc5c0;border-radius:6px;margin-top:16px}
.results-column{display:flex;flex-direction:column;gap:20px;min-width:0}
.solution-panel{padding:25px 26px 18px}
.solution-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:23px}
.solution-heading h2{font-size:21px}
.solution-heading .eyebrow{font-size:11px;letter-spacing:1.5px;margin-bottom:6px;color:var(--muted)}
.diameter-badge{background:var(--blue);color:white;padding:8px 13px;border-radius:7px;font-size:15px;font-weight:650;white-space:nowrap}
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:23px}
.metric{padding:14px 13px;border:1px solid var(--line);background:#f8faff;border-radius:8px;min-width:0}
.metric-label{display:block;font-size:12px;color:var(--muted);margin-bottom:7px;line-height:1.4}
.metric-value{display:block;font:650 clamp(19px,1.8vw,26px)/1.2 "Segoe UI",sans-serif;letter-spacing:-.5px;font-variant-numeric:tabular-nums;white-space:nowrap}
.metric-value small{font-size:13px;font-weight:400;letter-spacing:0;margin-left:3px;color:var(--muted)}
.metric:first-child{background:#edf3ff;border-color:#c9d9fb}
.metric:first-child .metric-value{color:var(--blue)}
.metric-meta{display:block;font-size:11px;color:var(--muted);margin-top:7px;line-height:1.4}
.drawing-heading{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:11px}
.drawing-heading h3{font-size:15px}
.drawing-heading span{font-size:12px;color:var(--muted)}
.drawing-caption{font:11px "Consolas",monospace;letter-spacing:1px;white-space:nowrap}
.drawing-viewport{background-color:#f7faff;background-image:linear-gradient(#dce6f042 1px,transparent 1px),linear-gradient(90deg,#dce6f042 1px,transparent 1px);background-size:18px 18px;border:1px solid #dce5f0;border-radius:8px;overflow:auto;scrollbar-width:thin}
.drawing-viewport svg{display:block;width:100%;min-width:700px;height:auto;font-family:"Segoe UI",Arial,sans-serif}
.drawing-scroll-note{display:none;font-size:12px;color:var(--muted);margin:7px 0 0}
.drawing-legend{display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:center;margin:14px 0 16px;font-size:12px;color:#5a6678}
.drawing-legend>span{display:flex;align-items:center;gap:7px}
.swatch{display:inline-block;width:10px;height:10px;border-radius:2px;flex-shrink:0}
.swatch.seal{background:var(--seal)}
.swatch.water{background:var(--water)}
.swatch.debris{background:var(--debris)}
.swatch.reserve{background:repeating-linear-gradient(135deg,#d8e0ea 0px,#d8e0ea 2px,white 2px,white 4px);border:1px solid #bcc8d7}
.reserve-note{background:#edf3ff;border:1px solid #d3e1fd;border-radius:7px;padding:12px 14px;font-size:13px;color:#355076;line-height:1.6}
.reserve-note strong{color:var(--blue)}
.scheme-note{font-size:12px;line-height:1.65;color:var(--muted);margin-top:10px}
.details-panel{padding:21px 26px}
.details-panel .panel-heading{margin-bottom:17px}
.compartment-grid{display:grid;grid-template-columns:repeat(var(--compartments,3),minmax(0,1fr));gap:13px}
.compartment-card{border-left:3px solid var(--debris);padding-left:12px;min-width:0}
.compartment-card.seal{border-color:var(--seal)}
.compartment-card.water{border-color:var(--water)}
.compartment-card h3{font-size:13px;margin-bottom:6px}
.compartment-card strong{font-size:19px;font-variant-numeric:tabular-nums;letter-spacing:-.3px}
.compartment-card strong small{font-size:12px;font-weight:400;color:var(--muted)}
.compartment-card p{font-size:12px;color:var(--muted);margin-top:5px;line-height:1.6}
.partition-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:19px;padding-top:18px;border-top:1px solid var(--line)}
.partition-card{display:flex;gap:10px;align-items:flex-start}
.partition-marker{display:flex;align-items:center;justify-content:center;width:25px;height:25px;border-radius:50%;border:1px solid #b8c9e3;background:#f3f7ff;color:var(--blue);font-size:12px;font-weight:650;flex-shrink:0}
.partition-card h3{font-size:13px}
.partition-card strong{font-size:16px;font-weight:650}
.partition-card p{font-size:12px;color:var(--muted);line-height:1.6}
.reference-note{font-size:12px;line-height:1.65;color:var(--muted);margin-top:16px}
.alternatives-panel{margin-top:24px}
.alternatives-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:23px 26px}
.alternatives-heading .panel-heading{margin:0}
.alternatives-heading p{font-size:13px;color:var(--muted);margin-top:5px}
.range-tag{font-size:12px;white-space:nowrap;padding:7px 11px;border:1px solid var(--line);border-radius:5px;background:#f7f9fc;color:var(--muted)}
.diameter-table{position:relative;width:100%;min-width:0}
table{width:100%;table-layout:fixed;border-collapse:collapse;font-size:13px;font-variant-numeric:tabular-nums;text-align:right}
thead{background:#f1f4f9;color:#5c6980;font-size:12px}
th{font-weight:600;padding:13px 8px;line-height:1.5;overflow-wrap:anywhere;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
th:first-child,td:first-child{text-align:left;padding-left:18px}
th:first-child{width:11%}
th:nth-child(10){width:5%}
th:nth-child(11){width:10%}
th:last-child{width:9.5%}
td{padding:12px 8px;overflow-wrap:anywhere;border-bottom:1px solid #edf0f5}
tbody tr{transition:background .12s}
tbody tr:hover{background:#f6f9ff}
tbody tr.selected{background:#eaf1ff;color:#0641c7;box-shadow:inset 3px 0 var(--blue)}
tbody tr.selected td{font-weight:600;border-bottom-color:#d3def3}
td:first-child{font-weight:600}
.select-diameter{border:1px solid #d2dced;border-radius:5px;background:white;color:var(--muted);padding:6px 5px;font-size:12px;width:100%;min-height:36px}
.select-diameter[aria-pressed=true]{border-color:var(--blue);background:var(--blue);color:#fff}
.select-diameter:hover{border-color:var(--blue);color:var(--blue)}
.select-diameter[aria-pressed=true]:hover{color:white;background:var(--blue-dark)}
.invalid-row{color:#8b6270;background:#faf7f8}
.invalid-reason{text-align:left!important;font-size:13px}
.table-footnote{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;padding:13px 26px;font-size:12px;color:var(--muted);background:#fbfcfe}
.geometry-panel{margin-top:23px}
summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 26px;cursor:pointer;list-style:none}
summary::-webkit-details-marker{display:none}
summary>span:first-child{display:flex;align-items:center;gap:12px}
summary strong{font-size:15px;font-weight:600}
.summary-icon{font-size:24px;color:#7790b1;line-height:1}
details[open] .summary-icon{transform:rotate(45deg)}
.geometry-content{padding:0 26px 26px;font-size:14px;line-height:1.75;color:var(--muted);border-top:1px solid var(--line)}
.geometry-content>p{margin-top:20px}
.geometry-content strong{color:var(--ink)}
.geometry-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:22px}
.geometry-cards article{padding:16px;background:#f6f8fc;border:1px solid var(--line);border-radius:8px}
.geometry-cards h3{font-size:14px;color:var(--ink);margin-bottom:9px}
.geometry-cards p{font-size:13px;line-height:1.7;margin-bottom:13px}
code{font-size:12px;white-space:normal;font-family:"Consolas",monospace;color:#37557d;overflow-wrap:anywhere}
.formula-block{display:grid;grid-template-columns:1fr 1fr;gap:40px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:24px;padding:22px 0}
.formula-block h3{margin-bottom:10px;color:var(--ink)}
.formula-block p+p{margin-top:12px}
.simulator-disclaimer{max-width:1440px;margin:28px auto 0;padding:22px 32px;text-align:center;font-size:12px;color:var(--muted);line-height:1.7}
.simulator-disclaimer p{margin:0}
.simulator-footer{display:block;background:#fff;border-top:1px solid var(--line);padding:23px 32px 28px;color:var(--muted);font-size:12px;line-height:1.7}
.footer-bar-content{max-width:1376px;margin:auto;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.footer-bar-content>span{min-width:0;overflow-wrap:anywhere}
.footer-bar-links{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.footer-bar-links a{color:var(--muted);text-decoration:none}
.footer-bar-links a:hover{color:var(--blue);text-decoration:underline}
.footer-bar-lock{display:inline-flex;align-items:center;justify-content:center;opacity:.55;padding:5px;line-height:1}
.empty-drawing{padding:55px 20px;text-align:center;color:var(--muted);font-size:15px}
.drawing-controls{display:grid;grid-template-columns:minmax(180px,240px) 1fr;gap:24px;align-items:center;background:#f0f5ff;border:1px solid #d4e1fb;padding:16px 18px;border-radius:8px;margin-bottom:20px}
.diameter-control label{font-size:14px;color:#284b7d}
.diameter-control select{font-size:17px;font-weight:650;color:var(--blue);border-color:#aac3f1;background:#fff}
.diameter-control p{font-size:12px;color:var(--muted);margin-top:7px}
.drawing-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.drawing-actions>a{font-size:13px;text-decoration:underline;text-underline-offset:3px}
.modular-option{display:flex;align-items:center;gap:9px;font-size:14px;margin:0;cursor:pointer;font-weight:600;line-height:1.5}
.modular-option input{width:17px;height:17px;accent-color:var(--blue);flex-shrink:0;cursor:pointer}
.plate-help{font-size:12px;color:var(--muted);line-height:1.6;margin-top:-6px}
.rounding-controls{display:flex;align-items:center;gap:12px;width:100%;max-width:390px}
.rounding-controls label{font-size:12px;margin:0}
.rounding-controls select{flex:1;min-width:0;font-size:13px}
.rounding-comparison{font-size:12px;color:var(--muted);line-height:1.7;margin-top:10px}
.capacity-warning{background:#fff4e5;border:1px solid #e8bc74;color:#7e5011;border-radius:6px;padding:11px 13px;font-size:13px;line-height:1.7;margin-top:12px}
.capacity-warning strong{color:#744307}
.capacity-reduced .metric-value{color:#98620c}
.rounding-unavailable{display:block;font-size:10px;color:#976326;margin-top:3px}
.fabrication-panel{padding:16px;border:1px solid #cfe0f7;border-radius:8px;background:#f7faff;margin-bottom:16px}
.fabrication-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:13px}
.fabrication-heading h3{font-size:14px}
.best-fit{background:#fff;color:var(--blue);border:1px solid #b4cbef;border-radius:5px;font-size:12px;padding:6px 9px;min-height:32px;white-space:nowrap}
.best-fit:hover{background:#e9f0ff}
.fabrication-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.fabrication-summary span{display:block;font-size:12px;color:var(--muted);margin-bottom:5px}
.fabrication-summary strong{display:block;font-size:17px;font-weight:650;font-variant-numeric:tabular-nums}
.fabrication-note{font-size:13px;line-height:1.7;margin-top:13px;padding-top:12px;border-top:1px solid #dce6f3;color:#425f87}
.fabrication-note strong{color:#204f9a}
.fabrication-limit{font-size:12px;color:var(--muted);line-height:1.6;margin-top:8px}
.swatch.seams{height:2px;width:15px;border-radius:0;background:repeating-linear-gradient(90deg,#b5782d 0px,#b5782d 4px,transparent 4px,transparent 7px)}
.fit-tag{display:block;width:fit-content;max-width:100%;background:#e8f3f0;border:1px solid #c8e0d8;color:#286251;border-radius:4px;margin-top:4px;font-size:10px;font-weight:500;padding:1px 5px;white-space:normal}
.compartment-card .available-capacity{font-size:12px;font-weight:600;letter-spacing:0;color:#2352a0}
#diameter-comparison{scroll-margin-top:20px}
@media(max-width:1199px){.diameter-table table{display:block}.diameter-table thead{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.diameter-table tbody{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding:0 22px 22px}.diameter-table tr{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 18px;min-width:0;padding:18px;border:1px solid var(--line);border-radius:8px;align-content:start}.diameter-table td{display:block;min-width:0;padding:0;text-align:left;border:0;font-size:14px}.diameter-table td[data-label]::before{content:attr(data-label);display:block;font-size:11px;font-weight:400;line-height:1.5;color:var(--muted);margin-bottom:3px}.diameter-table td:first-child{grid-column:1/-1;padding:0 0 12px;font-size:19px;border-bottom:1px solid var(--line)}.diameter-table td:last-child{grid-column:1/-1}.diameter-table td:last-child::before{display:none}.diameter-table .select-diameter{min-height:44px;font-size:13px;margin-top:3px}.diameter-table .fit-tag{display:inline-block;margin:0 0 0 9px;vertical-align:middle;font-size:10px}.diameter-table tr.selected{border-color:#97b8f4;box-shadow:inset 3px 0 var(--blue)}.diameter-table tr:not([data-diameter]){align-self:start}.diameter-table .invalid-reason{line-height:1.7}.diameter-table td:only-child{border:0;font-size:13px}}
@media(max-width:700px){.diameter-table tbody{grid-template-columns:1fr;padding:0 18px 18px}}
@media(min-width:1400px){.drawing-viewport svg{min-width:800px}.solution-panel{padding:26px 30px 20px}}
@media(max-width:1140px){.workspace{grid-template-columns:300px minmax(0,1fr);gap:18px}.configuration-panel{padding:20px}.solution-panel{padding:22px 20px 17px}.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.details-panel{padding:20px}.compartment-grid{gap:10px}.compartment-card strong{font-size:17px}.geometry-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.drawing-caption{display:none}.drawing-scroll-note{display:block}}
@media(max-width:850px){.site-header{padding:0 24px;height:78px}main{padding:27px 20px 0}.brand img{width:207px}nav{gap:20px;font-size:13px}.nav-current::after{bottom:-29px}.page-heading{align-items:flex-start}.preliminary-tag{display:none}.workspace{grid-template-columns:1fr}.configuration-panel{padding:22px}.configuration-panel form{display:grid;grid-template-columns:1fr 1fr;gap:18px 22px}.configuration-panel form>*{margin:0}.configuration-panel form>fieldset:first-child{grid-column:1/-1}.segment-control span{font-size:14px}.volume-split{grid-column:1/-1;max-width:none}.pump-options{flex-direction:row}.pump-options label{flex:1}#pump-fields{grid-column:1/-1}.seal-field{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:0 18px}.seal-field label{margin:0}.seal-field .field-help{grid-column:1/-1}.form-section:has(select){grid-column:1/-1}.head-description{margin-top:9px}.primary-button{grid-column:1/-1}.automatic-note{grid-column:1/-1}.form-error{grid-column:1/-1}.metrics{grid-template-columns:repeat(4,minmax(0,1fr))}.alternatives-heading{align-items:flex-start}.range-tag{display:none}}
@media(max-width:550px){.site-header{height:76px;padding:0 18px}.brand img{width:184px}nav a{font-size:12px}nav .nav-current{display:none}main{padding:25px 14px 0}.page-heading{margin-bottom:21px}h1{font-size:28px;line-height:1.28;letter-spacing:-.8px}h1 span{display:block}.eyebrow{font-size:10px;letter-spacing:1.1px}.intro{font-size:14px;line-height:1.7}.panel{border-radius:10px}.configuration-panel{padding:20px 18px}.configuration-panel form{display:flex;flex-direction:column;gap:18px}.seal-field{display:block}.seal-field label{margin-bottom:8px}.pump-options{flex-direction:column}.solution-panel{padding:20px 16px 16px}.solution-heading{align-items:flex-start;margin-bottom:18px}.solution-heading h2{font-size:18px;line-height:1.4}.solution-heading .eyebrow{font-size:10px;letter-spacing:.9px}.diameter-badge{font-size:12px;padding:7px 9px}.metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.metric-value{font-size:23px}.metric-label{font-size:12px}.drawing-heading h3{font-size:14px}.drawing-heading span{font-size:11px}.drawing-legend{gap:8px 13px;font-size:11px;justify-content:flex-start}.compartment-grid{grid-template-columns:1fr}.compartment-card{display:grid;grid-template-columns:1fr 1fr;gap:0 10px;padding-left:12px}.compartment-card h3{align-self:center;margin:0}.compartment-card strong{text-align:right;font-size:18px}.compartment-card p{grid-column:1/-1}.partition-grid{grid-template-columns:1fr}.details-panel{padding:20px 18px}.alternatives-heading{padding:20px 18px}.alternatives-heading h2{font-size:17px}.table-footnote{padding:13px 18px}.geometry-cards{grid-template-columns:1fr}.geometry-content{padding:0 18px 20px}.formula-block{grid-template-columns:1fr;gap:20px}summary{padding:18px}summary strong{font-size:14px}footer{display:block;padding:24px 3px}footer p+p{margin-top:8px}.volume-split label{white-space:normal}.drawing-viewport svg{min-width:720px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media(max-width:1140px){.drawing-controls{grid-template-columns:1fr;gap:14px}.drawing-actions{gap:9px}.fabrication-heading{align-items:flex-start;flex-wrap:wrap}.fabrication-summary{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:650px) and (max-width:850px){.drawing-controls{grid-template-columns:minmax(180px,240px) 1fr}.fabrication-summary{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:550px){.drawing-controls{padding:14px}.fabrication-panel{padding:14px}.fabrication-heading{gap:9px}.fabrication-heading h3{line-height:1.5}.modular-option{font-size:13px}.fabrication-summary strong{font-size:16px}.best-fit{white-space:normal;text-align:left}.rounding-controls{flex-wrap:wrap;gap:6px}.rounding-controls select{flex-basis:100%}.simulator-footer{padding:20px 18px}.footer-bar-content{flex-direction:column;align-items:flex-start;gap:12px}.simulator-disclaimer{padding:20px 18px}}
@media(max-width:550px){.site-header{gap:12px}.brand img{width:160px}.site-header nav{flex-shrink:0}.back-to-site{padding:10px 12px;gap:7px}.back-to-site svg{width:15px;height:15px}}