.engineering-hero{background:var(--night);color:white;padding:90px 0 84px}
.engineering-hero-grid{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:70px}
.engineering-hero h1{font-size:clamp(2.8rem,4.2vw,4.35rem);max-width:20ch;letter-spacing:-.035em}
.engineering-lead{font-size:19px;color:#d0dbea;max-width:45ch;margin-bottom:32px}
.engineering-audience{font-size:13px;color:#bbc9dd;margin:30px 0 0}
.scope-sheet{background:#fff;color:var(--ink);padding:10px;border-radius:8px;box-shadow:0 20px 55px #0003;margin:0;overflow:hidden}
.engineering-concepts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.engineering-concepts figure{position:relative;min-width:0;margin:0;border:1px solid var(--line);overflow:hidden;background:#edf1f5}
.engineering-concepts img{display:block;width:100%;height:auto;aspect-ratio:1.6/1;object-fit:cover}
.drawing-examples{padding:76px 0;background:#f5f7fa}
.drawing-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:40px}
.drawing-gallery figure{min-width:0;margin:0;background:#fff;border:1px solid var(--line);box-shadow:0 12px 35px #10223a0d}
.drawing-gallery img{display:block;width:100%;height:250px;object-fit:contain;background:#fff}
.drawing-gallery figcaption{display:grid;gap:6px;padding:16px 18px;border-top:1px solid var(--line)}
.drawing-gallery figcaption strong{font-size:15px;color:var(--ink)}
.drawing-gallery figcaption span{font-size:12px;color:var(--muted);line-height:1.5}
.drawing-examples .engineering-note{max-width:850px;margin-top:24px}
.elv-examples{background:var(--night);color:#fff}
.elv-examples .section-intro p{color:#bfccdf}
.elv-examples .drawing-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
.elv-examples .drawing-gallery img{height:350px;background:#fff}
.elv-examples .drawing-gallery figcaption strong{color:var(--ink)}
.elv-examples .drawing-gallery figcaption span{color:var(--muted)}
.elv-examples .engineering-note{color:#bfccdf}
.engineering-jump{border-bottom:1px solid var(--line);background:white}.engineering-jump nav{display:flex;gap:38px;padding-block:20px;flex-wrap:wrap}.engineering-jump a{font-size:13px;font-weight:600;text-decoration:none}.engineering-jump a:hover,.header-inner [aria-current]{color:#1d4ed8}
.service-ledger{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:55px}.service-ledger article{border-top:2px solid var(--ink);padding-top:28px}.service-ledger h3{font-size:25px}.service-ledger p,.service-ledger li{font-size:14px;color:var(--muted)}.service-ledger ul{padding-left:18px}.service-ledger li{padding-bottom:8px}
.engineering-note{font-size:13px;color:var(--muted);max-width:90ch;margin:32px 0 0}
.project-section{background:var(--night);color:#fff;padding-block:88px}.project-section .section-intro p{color:#bfccdf}
.scenario-list{margin-top:40px}.scenario-list details{border-top:1px solid #425168}.scenario-list details:last-child{border-bottom:1px solid #425168}.scenario-list summary{list-style:none;display:grid;grid-template-columns:1fr 1.1fr 20px;gap:35px;align-items:center;padding:27px 0;cursor:pointer}.scenario-list summary::-webkit-details-marker{display:none}.scenario-list summary>span:first-child{font-size:23px;font-weight:600;letter-spacing:-.02em}.scenario-description{font-size:14px;color:#bfccdf}.expand-sign{width:16px;height:16px;position:relative}.expand-sign:before,.expand-sign:after{content:"";position:absolute;top:7px;width:16px;height:2px;background:#d5e3f9}.expand-sign:after{transform:rotate(90deg)}details[open] .expand-sign:after{transform:rotate(0)}summary:focus-visible{outline:3px solid #93b4ff;outline-offset:5px}.scenario-body{display:grid;grid-template-columns:1fr 1.1fr;gap:55px;padding:3px 55px 32px 0}.scenario-body h3{font-size:15px;margin:0 0 12px}.scenario-body p{font-size:14px;color:#bfccdf}.scenario-body a{font-size:13px;color:#dbe8ff}
.deliverable-table>div{display:grid;grid-template-columns:1fr 2fr 70px;gap:35px;padding:26px 0;border-top:1px solid var(--line);align-items:start}.deliverable-table strong{font-size:20px}.deliverable-table span{font-size:15px;color:var(--muted)}.deliverable-table em{font-size:12px;font-style:normal;color:#1d4ed8;text-align:right}
.resource-section{background:var(--soft);padding-block:88px;border-block:1px solid var(--line)}.resource-list article{display:grid;grid-template-columns:1fr 1.25fr auto;gap:35px;padding:30px 0;border-top:1px solid var(--line);align-items:center}.resource-list h3{font-size:23px;margin-bottom:8px}.resource-list p{font-size:14px;color:var(--muted);margin:0}.resource-list a{font-size:12px;color:#1d4ed8}.resource-list div p{font-size:12px}
.engineering-feature{padding-block:70px;border-bottom:1px solid var(--line)}.engineering-feature>.wrap{display:grid;grid-template-columns:1fr 1fr;gap:90px}.engineering-feature p{color:var(--muted)}.engineering-feature .text-link{color:#1d4ed8}.engineering-feature ul{list-style:none;padding:0;margin:0}.engineering-feature li{padding:20px 0;border-bottom:1px solid var(--line)}.engineering-feature li:first-child{padding-top:0}.engineering-feature li span{display:block;font-size:12px;color:#1d4ed8;margin-bottom:6px}.engineering-feature li strong{font-size:20px;line-height:1.45;display:block;font-weight:550}
.industry-image img{transition:transform .3s ease-out}.industry-image:hover img{transform:scale(1.04)}.button{transition:background-color .2s ease-out}a:hover{text-decoration-thickness:2px}body{scrollbar-color:#8392a8 #f1f5f9}
@media(min-width:1200px){.export-hero{padding-block:84px}.hero-layout img{height:420px}.hero-layout h1{font-size:4.5rem}}
@media(max-width:950px){.engineering-hero-grid{gap:30px}.scope-sheet{padding:10px}.service-ledger{gap:24px}.resource-list article{grid-template-columns:1fr 1.3fr}.resource-list article>a{grid-column:2}.engineering-feature>.wrap{gap:35px}.drawing-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.engineering-hero{padding:48px 0}.engineering-hero-grid{grid-template-columns:1fr;gap:40px}.engineering-hero h1{font-size:2.9rem}.engineering-lead{font-size:17px}.scope-sheet{padding:8px}.engineering-jump nav{gap:14px 24px}.engineering-jump a{font-size:12px}.service-ledger{grid-template-columns:1fr;gap:25px;margin-top:32px}.service-ledger article{padding-top:22px}.project-section,.resource-section{padding-block:56px}.drawing-examples{padding:56px 0}.drawing-gallery,.elv-examples .drawing-gallery{grid-template-columns:1fr;gap:14px;margin-top:28px}.drawing-gallery img,.elv-examples .drawing-gallery img{height:230px}.scenario-list summary{grid-template-columns:1fr 20px;gap:12px;padding:24px 0}.scenario-description{grid-row:2;grid-column:1}.expand-sign{grid-column:2;grid-row:1}.scenario-list summary>span:first-child{font-size:21px}.scenario-body{grid-template-columns:1fr;gap:15px;padding-right:15px}.deliverable-table>div{grid-template-columns:1fr 65px;gap:12px}.deliverable-table span{grid-column:1 / -1;grid-row:2}.deliverable-table em{grid-column:2;grid-row:1}.resource-list article{grid-template-columns:1fr;gap:14px}.resource-list article>a{grid-column:1}.engineering-feature>.wrap{grid-template-columns:1fr;gap:35px}.engineering-feature{padding-block:50px}.header-inner nav{gap:12px}.header-inner nav .button{font-size:11px}.engineering-feature h2{font-size:2rem}}
@media(prefers-reduced-motion:reduce){.industry-image img,.button{transition:none}}
.resource-list article{grid-template-columns:minmax(0,1.1fr) minmax(0,1.25fr) auto;gap:32px}
.resource-brand{min-width:0}
.resource-logo{display:block;width:auto;max-width:min(100%,230px);height:auto;max-height:46px;object-fit:contain;object-position:left center;margin:0 0 16px}
.resource-logo.resource-logo-crop{width:min(100%,230px);height:60px;max-height:60px;object-fit:cover;object-position:center 50%}
.resource-list h3{font-size:19px;line-height:1.28;overflow-wrap:anywhere}
.resource-group-name{display:flex;align-items:baseline;gap:9px;margin:0 0 12px;color:#234c87}
.resource-group-name strong{font-size:14px;letter-spacing:.035em}
.resource-group-name span{color:#69788e;font-size:10px}
.elv-downloads{display:flex;gap:16px;flex-wrap:wrap}
.elv-examples .elv-download{display:inline-block;width:max-content;color:#1d4ed8;font-size:12px;font-weight:650;text-decoration:none;border-bottom:1px solid #9ab4dc;padding:7px 0 2px}
.regional-heading{margin:54px 0 10px;font-size:clamp(23px,3vw,32px);letter-spacing:-.025em}
.regional-intro{max-width:78ch;color:var(--muted);font-size:14px;margin-bottom:8px}
.regional-list article{border-top:1px solid var(--line)}
.resource-logo{max-height:60px}
.resource-logo-caption{margin:-8px 0 14px;color:var(--muted);font-size:11px;line-height:1.35}
@media(max-width:950px){.resource-list article{grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:24px}.resource-list article>a{grid-column:2}}
@media(max-width:650px){.resource-list article{grid-template-columns:1fr;gap:14px}.resource-list article>a{grid-column:1}.resource-logo{max-height:42px;margin-bottom:12px}}
.workflow-section{padding-block:82px;background:#edf3fb;border-block:1px solid #dbe4f1}
.workflow-section .section-intro{display:grid;grid-template-columns:minmax(230px,.8fr) 1.2fr;column-gap:60px;align-items:end;margin-bottom:42px}
.workflow-section .section-intro .eyebrow{grid-column:1/-1;margin-bottom:12px;color:#1d4ed8;font-size:11px;font-weight:750;letter-spacing:.12em;text-transform:uppercase}
.workflow-section .section-intro h2{margin:0;max-width:14ch}
.workflow-section .section-intro>p:last-child{max-width:56ch;margin:0 0 4px;color:#52647d}
.engineering-workflow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin:0;padding:0;list-style:none;border-top:1px solid #b9c9df}
.engineering-workflow li{min-width:0;padding:22px 24px 8px 0;border-top:3px solid #13243c;margin-top:-2px}
.engineering-workflow li+li{padding-left:24px;border-left:1px solid #cbd7e7}
.engineering-workflow li>span{display:block;margin-bottom:20px;color:#1d4ed8;font-size:10px;font-weight:750;letter-spacing:.1em}
.engineering-workflow h3{margin:0 0 10px;font-size:20px;letter-spacing:-.02em}
.engineering-workflow p{margin:0;color:#52647d;font-size:13px;line-height:1.65}
.drawing-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.drawing-gallery figure{overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease}
.drawing-gallery figure:hover{border-color:#9aacc5;box-shadow:0 18px 42px #10223a18}
.drawing-sheet{display:block;overflow:hidden;padding:12px;background-color:#f0f3f7;background-image:linear-gradient(#dbe2eb55 1px,transparent 1px),linear-gradient(90deg,#dbe2eb55 1px,transparent 1px);background-size:18px 18px}.ev-reference-gallery .drawing-sheet{pointer-events:none;cursor:default}
.drawing-sheet:focus-visible,.sheet-open:focus-visible,.elv-download:focus-visible{outline:3px solid #2563eb;outline-offset:3px}
.drawing-gallery .drawing-sheet img{height:clamp(300px,34vw,440px);object-fit:contain;transition:transform .25s ease}
.drawing-gallery figure:hover .drawing-sheet img{transform:scale(1.012)}
.drawing-gallery figcaption{grid-template-columns:1fr auto;align-items:start;gap:7px 18px;padding:18px 20px}
.drawing-gallery figcaption strong{font-size:17px}
.drawing-gallery figcaption span{grid-column:1/-1;font-size:13px}
.drawing-gallery figcaption small{grid-column:1;color:var(--muted);font-size:9px;font-weight:650;letter-spacing:.04em;opacity:.42}
.drawing-gallery figcaption small:hover{opacity:.9}
.drawing-gallery .sheet-open{grid-column:2;grid-row:3;justify-self:end;color:#1d4ed8;font-size:12px;font-weight:700;text-decoration:none;border-bottom:1px solid #9ab4dc;padding-bottom:3px}
.elv-examples .drawing-gallery img{height:clamp(340px,37vw,470px)}
.elv-examples .drawing-gallery figcaption{grid-template-columns:1fr auto}
.elv-examples .drawing-gallery .elv-downloads{grid-column:1/-1;padding-top:6px;border-top:1px solid var(--line)}
.engineering-jump nav{overflow-x:auto;flex-wrap:nowrap;scrollbar-width:thin;scrollbar-color:#bac7d8 transparent}
@media(max-width:950px){.workflow-section .section-intro{column-gap:32px}.engineering-workflow h3{font-size:18px}.engineering-workflow li{padding-right:16px}.engineering-workflow li+li{padding-left:16px}.drawing-gallery img,.elv-examples .drawing-gallery img{height:330px}}
@media(max-width:650px){.workflow-section{padding-block:54px}.workflow-section .section-intro{grid-template-columns:1fr;gap:12px;margin-bottom:28px}.workflow-section .section-intro .eyebrow{grid-column:auto}.engineering-workflow{grid-template-columns:1fr 1fr}.engineering-workflow li{padding:18px 14px 22px 0}.engineering-workflow li+li{padding-left:14px}.engineering-workflow li:nth-child(3){padding-left:0;border-left:0}.engineering-workflow li>span{margin-bottom:12px}.engineering-workflow h3{font-size:17px}.engineering-workflow p{font-size:12px}.drawing-gallery,.elv-examples .drawing-gallery{grid-template-columns:1fr}.drawing-gallery img,.elv-examples .drawing-gallery img{height:clamp(250px,68vw,340px)}.drawing-sheet{padding:8px}.drawing-gallery figcaption{padding:16px}.engineering-jump nav{gap:20px;padding-block:15px}}
@media(prefers-reduced-motion:reduce){.drawing-gallery figure,.drawing-gallery img{transition:none}}