:root{--carbon:#151412;--carbon-2:#201f1c;--ink:#25231f;--copper:#b9693e;--copper-dark:#8d4627;--alloy:#e7e1d8;--paper:#f6f3ee;--paper-2:#eee9e1;--muted:#77736c;--line:#d8d1c7;--lime:#c8ff3d;--success:#287a55;--danger:#b34436;--shadow:0 22px 70px rgba(26,20,15,.14);--radius:4px;--max:1280px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.55}button,input,textarea,select{font:inherit}button,a{cursor:pointer}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.eyebrow{margin:0 0 18px;font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border:1px solid transparent;border-radius:2px;font-size:13px;font-weight:750;letter-spacing:.02em;transition:.2s ease}.button:hover{transform:translateY(-1px)}.button-copper{background:var(--copper);color:white}.button-copper:hover{background:var(--copper-dark)}.button-dark{background:var(--carbon);color:white}.button-line{border-color:#c8c0b5;background:transparent;color:var(--ink)}.button-glass{border-color:rgba(255,255,255,.34);background:rgba(19,18,16,.22);color:white;backdrop-filter:blur(12px)}.button-lime{background:var(--lime);color:#0c0d0a}.button-wide{width:100%;margin-top:10px}.text-link{font-weight:800;border-bottom:1px solid currentColor;padding-bottom:4px}

/* case study */
.qc-body{background:var(--carbon);color:white}.qc-header{height:72px;padding:0 34px;display:flex;align-items:center;justify-content:space-between;position:fixed;z-index:20;top:0;left:0;right:0;background:linear-gradient(180deg,rgba(10,10,9,.82),transparent)}.qc-back,.qc-project{font-size:12px;font-weight:750;letter-spacing:.08em}.qc-project{opacity:.55}.qc-hero{height:min(94vh,900px);min-height:680px;position:relative;overflow:hidden}.qc-hero>img{position:absolute;width:100%;height:100%;object-fit:cover;object-position:center}.qc-hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,12,11,.92) 0%,rgba(12,12,11,.67) 36%,rgba(12,12,11,.04) 72%),linear-gradient(0deg,rgba(12,12,11,.7),transparent 42%)}.qc-hero-copy{position:absolute;left:max(5vw,64px);top:50%;transform:translateY(-44%);max-width:700px}.qc-hero-copy .eyebrow{color:#d99971}.qc-hero h1{font-size:clamp(58px,7.5vw,116px);letter-spacing:-.065em;line-height:.9;margin:0 0 30px;font-weight:650}.qc-hero-copy>p:not(.eyebrow){max-width:620px;font-size:18px;line-height:1.75;color:rgba(255,255,255,.78)}.qc-actions{display:flex;gap:10px;margin:34px 0 18px}.qc-hero-copy>small{color:rgba(255,255,255,.46);font-size:11px}.qc-hero-index{position:absolute;right:52px;bottom:38px;display:grid;grid-template-columns:auto auto;column-gap:12px;align-items:center;text-align:right}.qc-hero-index span{grid-row:1/3;font-size:58px;line-height:1;color:#d99971;font-weight:250}.qc-hero-index b{font-size:12px;letter-spacing:.08em}.qc-hero-index em{font-style:normal;font-size:11px;color:rgba(255,255,255,.5)}
.qc-section{max-width:var(--max);margin:auto;padding:130px 48px}.qc-kicker{font-size:11px;letter-spacing:.22em;color:var(--copper);font-weight:800;margin-bottom:46px}.qc-summary{display:grid;grid-template-columns:140px 1fr 330px;gap:54px;color:white}.qc-summary .qc-kicker{margin:5px 0}.qc-summary-main h2,.qc-flow-head h2,.qc-evidence-head h2,.qc-system-copy h2,.qc-mobile h2,.qc-boundary h2{font-size:clamp(38px,4.2vw,66px);line-height:1.04;letter-spacing:-.045em;margin:0;font-weight:570}.qc-summary-main p,.qc-flow-head p{font-size:18px;color:rgba(255,255,255,.6);max-width:740px;margin:34px 0 0}.qc-facts{margin:0;border-top:1px solid rgba(255,255,255,.16)}.qc-facts div{padding:18px 0;border-bottom:1px solid rgba(255,255,255,.16)}.qc-facts dt{font-size:11px;color:#d99971;letter-spacing:.1em}.qc-facts dd{margin:5px 0 0;font-size:14px}.qc-problem{max-width:none;background:var(--paper);color:var(--ink);padding-left:max(calc((100vw - var(--max))/2 + 48px),48px);padding-right:max(calc((100vw - var(--max))/2 + 48px),48px)}.qc-problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.qc-problem article{background:var(--paper);padding:38px}.qc-problem article span{font-size:11px;color:var(--copper);font-weight:800}.qc-problem h3{font-size:25px;line-height:1.25;letter-spacing:-.025em;margin:50px 0 16px}.qc-problem p{color:var(--muted);font-size:14px}.qc-flow{color:white}.qc-flow-head{display:grid;grid-template-columns:1.5fr .8fr;gap:70px;align-items:end}.qc-flow-track{list-style:none;margin:80px 0 0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid rgba(255,255,255,.2)}.qc-flow-track li{position:relative;padding:35px 22px 0 0}.qc-flow-track li:before{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;background:var(--copper)}.qc-flow-track b{display:block;font-size:11px;color:#d99971}.qc-flow-track span{display:block;font-size:18px;font-weight:700;margin:12px 0 7px}.qc-flow-track small{display:block;color:rgba(255,255,255,.48)}
.qc-evidence{max-width:none;background:#e9e4dc;color:var(--ink);padding-left:max(calc((100vw - var(--max))/2 + 48px),48px);padding-right:max(calc((100vw - var(--max))/2 + 48px),48px)}.qc-evidence-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:72px}.qc-evidence-head a{font-size:13px;font-weight:800;border-bottom:1px solid}.qc-screen{margin:0 0 72px;background:#171715;padding:10px;box-shadow:0 30px 70px rgba(27,22,17,.16)}.qc-screen img{width:100%;background:#eee;aspect-ratio:16/9;object-fit:cover;object-position:top}.browser-chrome{height:30px;color:#777;font-size:10px;display:flex;align-items:center;gap:6px;padding:0 7px}.browser-chrome i{width:7px;height:7px;border-radius:50%;background:#575650}.browser-chrome span{margin-left:10px}.qc-screen figcaption{background:#171715;color:white;padding:20px 12px 10px;display:flex;justify-content:space-between;gap:20px}.qc-screen figcaption b{font-size:13px}.qc-screen figcaption span{font-size:12px;color:#8d8c86}.qc-screen-pair{display:grid;grid-template-columns:1fr 1fr;gap:28px}.qc-screen-pair .qc-screen img{aspect-ratio:4/3}.qc-system{color:white}.qc-system-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:90px;align-items:end}.qc-system-copy p{max-width:520px;color:rgba(255,255,255,.56);margin-top:28px}.qc-swatches{display:grid;grid-template-columns:repeat(4,1fr);height:260px}.qc-swatches span{background:var(--sw);padding:18px;display:flex;flex-direction:column;justify-content:flex-end;color:white}.qc-swatches span:nth-child(n+3){color:var(--ink)}.qc-swatches b,.qc-swatches em{font-size:11px}.qc-swatches em{font-style:normal;opacity:.6}.qc-mobile{max-width:none;background:var(--copper);display:grid;grid-template-columns:1fr 420px;gap:100px;align-items:center;padding-left:max(calc((100vw - var(--max))/2 + 48px),48px);padding-right:max(calc((100vw - var(--max))/2 + 48px),48px);overflow:hidden}.qc-mobile-copy{max-width:700px}.qc-mobile-copy p:not(.eyebrow){max-width:560px;color:rgba(255,255,255,.72);margin:28px 0}.qc-phone{width:310px;margin:0 auto -220px;background:#111;border:9px solid #111;border-radius:42px;padding:14px 5px 8px;box-shadow:0 40px 90px rgba(49,22,12,.34)}.qc-phone>span{display:block;width:80px;height:18px;background:#111;border-radius:0 0 12px 12px;position:absolute}.qc-phone img{border-radius:27px;aspect-ratio:390/844;object-fit:cover;object-position:top}.qc-boundary{color:white}.qc-boundary-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:110px}.qc-boundary-grid p{color:rgba(255,255,255,.56);padding:0 0 24px;margin:0 0 24px;border-bottom:1px solid rgba(255,255,255,.14)}.qc-boundary-grid b{color:#d99971;display:block;margin-bottom:7px}.qc-cta{padding:150px 48px 80px;text-align:center;background:#0d0d0c}.qc-cta h2{font-size:clamp(42px,5.2vw,78px);line-height:1.02;letter-spacing:-.05em;margin:0 auto;max-width:1080px}.qc-cta>p:not(.eyebrow){color:rgba(255,255,255,.54);max-width:670px;margin:32px auto}.qc-cta>div{display:flex;gap:10px;justify-content:center;margin:38px 0}.qc-cta small{color:rgba(255,255,255,.34)}

/* product portal */
.qp-body{background:var(--paper);padding-top:34px}.concept-bar{position:fixed;z-index:40;top:0;left:0;right:0;height:34px;display:flex;align-items:center;justify-content:center;background:var(--carbon);color:#bdb8af;font-size:10px;letter-spacing:.06em}.qp-header{height:80px;position:sticky;z-index:30;top:34px;background:rgba(246,243,238,.94);backdrop-filter:blur(12px);display:flex;align-items:center;padding:0 max(3vw,28px);border-bottom:1px solid var(--line);gap:42px}.qp-brand{display:flex;align-items:center;gap:12px;margin-right:auto}.qp-brand-mark{width:30px;height:32px;display:flex;align-items:end;gap:3px}.qp-brand-mark i{display:block;width:8px;background:var(--carbon)}.qp-brand-mark i:nth-child(1){height:18px}.qp-brand-mark i:nth-child(2){height:29px;background:var(--copper)}.qp-brand-mark i:nth-child(3){height:23px}.qp-brand strong{display:block;font-size:15px}.qp-brand small{display:block;font-size:8px;letter-spacing:.15em;color:var(--muted)}.qp-nav{display:flex;align-items:center;gap:30px}.qp-nav a{font-size:13px;color:#5a5650;font-weight:650;position:relative;padding:30px 0}.qp-nav a.active{color:var(--ink)}.qp-nav a.active:after{content:"";height:2px;background:var(--copper);position:absolute;left:0;right:0;bottom:-1px}.qp-nav a span{display:inline-flex;min-width:17px;height:17px;align-items:center;justify-content:center;background:#ddd5ca;border-radius:50%;font-size:9px;margin-left:3px}.header-contact{min-height:40px;padding:0 16px}.mobile-menu{display:none;border:0;background:none;font-weight:700}.qp-footer{padding:34px max(3vw,28px);background:var(--carbon);color:white;display:flex;justify-content:space-between;align-items:center}.qp-footer>div{display:flex;align-items:center;gap:22px}.qp-footer span{color:#817d76;font-size:11px}.qp-footer a,.qp-footer button{color:#aaa59e;border:0;background:none;font-size:11px}.qp-page{min-height:calc(100vh - 148px)}.qp-container{max-width:var(--max);padding:0 44px;margin:auto}.page-head{padding:72px 0 45px;display:flex;align-items:end;justify-content:space-between;gap:40px}.page-head h1{font-size:clamp(42px,5vw,72px);line-height:.98;letter-spacing:-.05em;margin:0}.page-head p{max-width:550px;color:var(--muted);margin:15px 0 0}.page-head-meta{font-size:12px;color:var(--muted);text-align:right}.page-head-meta b{display:block;color:var(--ink);font-size:28px}.catalog-toolbar{display:flex;align-items:center;gap:12px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:sticky;top:114px;z-index:12;background:var(--paper)}.filter-button{border:1px solid var(--line);background:transparent;padding:9px 14px;font-size:12px;color:var(--muted)}.filter-button.active{background:var(--carbon);border-color:var(--carbon);color:white}.catalog-toolbar .search{margin-left:auto;width:260px;position:relative}.catalog-toolbar input{width:100%;height:40px;background:white;border:1px solid var(--line);padding:0 14px}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:34px 0 110px}.product-card{background:white;border:1px solid var(--line);display:flex;flex-direction:column;min-width:0;transition:.25s}.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.product-image{aspect-ratio:4/3;background:#ded9d1;overflow:hidden;position:relative}.product-image img{width:100%;height:100%;object-fit:cover;transition:.35s}.product-card:hover .product-image img{transform:scale(1.025)}.product-series{position:absolute;left:14px;top:14px;background:rgba(20,19,17,.84);color:white;font-size:9px;letter-spacing:.12em;padding:7px 9px}.product-card-body{padding:22px}.product-card h3{font-size:22px;letter-spacing:-.03em;margin:0 0 5px}.product-card-sub{font-size:12px;color:var(--muted);margin-bottom:20px}.product-specs{display:grid;grid-template-columns:repeat(3,1fr);padding:14px 0;border-block:1px solid #ebe6df}.product-specs span{font-size:10px;color:var(--muted);border-right:1px solid #ebe6df;padding-left:10px}.product-specs span:first-child{padding-left:0}.product-specs span:last-child{border:0}.product-specs b{display:block;font-size:13px;color:var(--ink);margin-top:3px}.product-scene{font-size:12px;color:var(--muted);min-height:56px;padding:15px 0}.product-card-actions{display:grid;grid-template-columns:1fr auto auto;gap:7px}.icon-button{height:40px;min-width:40px;border:1px solid var(--line);background:white;font-size:11px}.icon-button.active{border-color:var(--copper);color:var(--copper)}.empty-state{text-align:center;padding:100px 30px;grid-column:1/-1}.empty-state h3{font-size:28px;margin-bottom:5px}.empty-state p{color:var(--muted)}
.app-hero{background:var(--carbon);color:white;min-height:430px;position:relative;overflow:hidden}.app-hero img{position:absolute;right:0;top:0;width:58%;height:100%;object-fit:cover}.app-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#151412 36%,rgba(21,20,18,.6) 56%,rgba(21,20,18,0) 83%)}.app-hero .qp-container{position:relative;z-index:2;padding-top:85px}.app-hero h1{font-size:clamp(48px,6vw,86px);letter-spacing:-.055em;line-height:.95;margin:0;max-width:700px}.app-hero p{color:#bdb7ad;max-width:530px;margin:24px 0}.app-list{padding:80px 0 120px}.app-row{display:grid;grid-template-columns:1.1fr 1fr;min-height:390px;border-top:1px solid var(--line);padding:32px 0;gap:50px}.app-row img{width:100%;height:100%;object-fit:cover}.app-row-copy{padding:32px 0}.app-row .index{font-size:11px;color:var(--copper);font-weight:800}.app-row h2{font-size:40px;line-height:1.06;letter-spacing:-.04em;margin:54px 0 18px}.app-row p{color:var(--muted)}.app-tags{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0}.app-tags span{border:1px solid var(--line);font-size:11px;padding:6px 9px}
.product-detail{padding:40px 0 110px}.product-breadcrumb{font-size:11px;color:var(--muted);padding:18px 0}.product-main{display:grid;grid-template-columns:1.15fr .85fr;gap:70px}.product-visual{background:#dfd9d0;position:sticky;top:145px;height:max-content}.product-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}.product-visual-note{display:flex;justify-content:space-between;padding:13px 16px;font-size:10px;color:var(--muted)}.product-info{padding:18px 0}.product-info .series{color:var(--copper);font-size:11px;font-weight:800;letter-spacing:.12em}.product-info h1{font-size:54px;line-height:.98;letter-spacing:-.05em;margin:18px 0 9px}.product-info .subtitle{color:var(--muted);font-size:16px}.product-lead{margin:30px 0;color:#5f5b55}.model-picker{border-block:1px solid var(--line);padding:22px 0}.model-picker>span{font-size:11px;color:var(--muted)}.model-options{display:flex;gap:8px;margin-top:10px}.model-options button{border:1px solid var(--line);background:white;padding:11px 14px;font-size:12px}.model-options button.active{background:var(--carbon);color:white;border-color:var(--carbon)}.detail-highlights{display:grid;grid-template-columns:repeat(3,1fr);padding:24px 0}.detail-highlights span{font-size:10px;color:var(--muted);border-right:1px solid var(--line);padding-left:13px}.detail-highlights span:first-child{padding-left:0}.detail-highlights span:last-child{border:0}.detail-highlights b{display:block;color:var(--ink);font-size:16px;margin-top:5px}.detail-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px}.detail-tabs{margin-top:70px}.tab-buttons{display:flex;border-bottom:1px solid var(--line);gap:30px}.tab-buttons button{border:0;background:none;padding:15px 0;font-size:13px;color:var(--muted);border-bottom:2px solid transparent}.tab-buttons button.active{color:var(--ink);border-color:var(--copper)}.tab-panel{padding:34px 0}.spec-table{width:100%;border-collapse:collapse}.spec-table th,.spec-table td{text-align:left;padding:15px 12px;border-bottom:1px solid var(--line);font-size:13px}.spec-table th{color:var(--muted);font-weight:500;width:38%}.use-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.use-card{border:1px solid var(--line);padding:22px;background:white}.use-card b{display:block;margin-bottom:8px}.use-card p{font-size:12px;color:var(--muted)}.notice{border-left:3px solid var(--copper);background:#ede7df;padding:18px 20px;font-size:12px;color:#655f58;margin-top:18px}
.selection-page{padding-bottom:120px}.selection-layout{display:grid;grid-template-columns:1fr 340px;gap:26px}.selection-list{border-top:1px solid var(--line)}.selection-item{display:grid;grid-template-columns:150px 1fr auto;gap:22px;padding:24px 0;border-bottom:1px solid var(--line)}.selection-item img{width:150px;aspect-ratio:4/3;object-fit:cover;background:#ddd}.selection-item h3{margin:4px 0;font-size:20px}.selection-item p{font-size:12px;color:var(--muted)}.selection-controls{display:flex;gap:12px;align-items:center;margin-top:18px}.qty-control{display:flex;border:1px solid var(--line)}.qty-control button{width:32px;height:32px;border:0;background:white}.qty-control span{min-width:32px;display:flex;align-items:center;justify-content:center;background:white}.note-input{border:1px solid var(--line);height:34px;padding:0 10px;min-width:230px}.remove-button{border:0;background:none;color:var(--muted);font-size:11px;align-self:start}.selection-summary{background:var(--carbon);color:white;padding:28px;height:max-content;position:sticky;top:145px}.selection-summary h3{font-size:24px;margin:0 0 24px}.summary-row{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:12px;color:#aaa59d}.summary-row b{color:white}.summary-note{color:#8b8780;font-size:11px;margin:22px 0}.selection-empty{padding:100px 30px;text-align:center;border-top:1px solid var(--line)}.selection-empty h2{font-size:34px;margin-bottom:8px}.selection-empty p{color:var(--muted)}
.compare-wrap{padding-bottom:120px;overflow:auto}.compare-table{min-width:850px;width:100%;border-collapse:collapse;background:white}.compare-table th,.compare-table td{border:1px solid var(--line);padding:18px;text-align:left;vertical-align:top}.compare-table th:first-child,.compare-table td:first-child{width:180px;background:#ede9e2;color:var(--muted);font-size:12px}.compare-head img{width:100%;aspect-ratio:4/3;object-fit:cover;margin-bottom:14px}.compare-head h3{margin:0;font-size:20px}.compare-head button{border:0;background:none;color:var(--muted);font-size:10px;padding:6px 0}.recommended{color:var(--success);font-weight:700;font-size:11px}.compare-cta{display:flex;gap:8px;margin-top:14px}
.quote-page{padding-bottom:110px}.quote-layout{display:grid;grid-template-columns:1fr 380px;gap:70px;align-items:start}.quote-form{background:white;border:1px solid var(--line);padding:34px}.form-section{padding:0 0 30px;margin-bottom:30px;border-bottom:1px solid var(--line)}.form-section:last-of-type{border:0}.form-section h2{font-size:22px;margin:0 0 5px}.form-section>p{font-size:12px;color:var(--muted);margin:0 0 22px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:11px;font-weight:700}.field input,.field textarea,.field select{width:100%;border:1px solid #cfc7bc;background:#faf8f4;padding:11px 12px;outline:none;border-radius:0}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--copper)}.field textarea{min-height:100px;resize:vertical}.field .error{display:none;color:var(--danger);font-size:10px}.field.invalid input,.field.invalid textarea,.field.invalid select{border-color:var(--danger);background:#fff7f5}.field.invalid .error{display:block}.contact-prefs{display:flex;gap:8px;flex-wrap:wrap}.contact-prefs label{border:1px solid var(--line);background:#faf8f4;padding:10px 14px;font-size:12px}.contact-prefs input{accent-color:var(--copper)}.privacy{display:flex;gap:9px;font-size:11px;color:var(--muted);margin:20px 0}.privacy input{accent-color:var(--copper);margin-top:4px}.quote-side{position:sticky;top:145px}.quote-side h2{font-size:30px;line-height:1.08;letter-spacing:-.03em}.quote-side>p{color:var(--muted);font-size:13px}.quote-products{margin-top:26px;border-top:1px solid var(--line)}.quote-product{display:grid;grid-template-columns:64px 1fr auto;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);align-items:center}.quote-product img{width:64px;aspect-ratio:1;object-fit:cover}.quote-product b{display:block;font-size:12px}.quote-product span{font-size:10px;color:var(--muted)}.quote-process{margin-top:28px}.quote-process li{font-size:12px;color:var(--muted);margin-bottom:11px}.submit-row{display:flex;align-items:center;gap:16px}.submit-row small{color:var(--muted)}.spinner{width:17px;height:17px;border:2px solid rgba(255,255,255,.35);border-top-color:white;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.status-panel{max-width:720px;margin:90px auto;text-align:center;padding:70px;background:white;border:1px solid var(--line)}.status-icon{width:64px;height:64px;margin:auto;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#e2f0e8;color:var(--success);font-size:28px}.status-panel h1{font-size:44px;letter-spacing:-.04em;margin:24px 0 10px}.status-panel p{color:var(--muted)}.status-reference{margin:25px auto;border:1px solid var(--line);padding:14px;font-size:12px;max-width:360px}.status-actions{display:flex;gap:8px;justify-content:center;margin-top:28px}
.drawer-backdrop{position:fixed;z-index:60;inset:0;background:rgba(14,13,12,.58)}.engineer-drawer{position:fixed;z-index:70;right:0;top:0;bottom:0;width:min(440px,100vw);background:var(--paper);padding:80px 44px 40px;transform:translateX(100%);transition:.28s ease;box-shadow:-20px 0 60px rgba(0,0,0,.2)}.engineer-drawer.open{transform:none}.drawer-close{position:absolute;right:24px;top:22px;border:0;background:none;font-size:31px;font-weight:200}.engineer-drawer h2{font-size:39px;line-height:1.02;letter-spacing:-.04em}.engineer-drawer>p:not(.eyebrow){font-size:13px;color:var(--muted)}.engineer-meta{border-block:1px solid var(--line);margin:30px 0;padding:18px 0}.engineer-meta span,.engineer-meta b{display:block}.engineer-meta span{font-size:10px;color:var(--copper)}.engineer-meta b{font-size:12px;margin-top:5px}.engineer-drawer>small{display:block;margin-top:12px;color:var(--muted);font-size:9px}.toast{position:fixed;z-index:100;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--carbon);color:white;padding:12px 18px;font-size:12px;opacity:0;pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}

@media(max-width:900px){.qc-header{padding:0 18px}.qc-project{display:none}.qc-hero{min-height:700px;height:92vh}.qc-hero>img{object-position:62% center}.qc-hero-shade{background:linear-gradient(0deg,rgba(12,12,11,.94) 0%,rgba(12,12,11,.55) 68%,rgba(12,12,11,.1))}.qc-hero-copy{left:22px;right:22px;top:auto;bottom:48px;transform:none}.qc-hero h1{font-size:59px}.qc-hero-copy>p:not(.eyebrow){font-size:15px}.qc-hero-index{display:none}.qc-section{padding:84px 22px}.qc-summary{grid-template-columns:1fr}.qc-summary .qc-kicker{margin-bottom:-16px}.qc-summary-main h2,.qc-flow-head h2,.qc-evidence-head h2,.qc-system-copy h2,.qc-mobile h2,.qc-boundary h2{font-size:40px}.qc-problem{padding-inline:22px}.qc-problem-grid{grid-template-columns:1fr}.qc-problem h3{margin-top:25px}.qc-flow-head,.qc-system-grid,.qc-boundary-grid{grid-template-columns:1fr;gap:40px}.qc-flow-track{grid-template-columns:1fr;border-top:0;margin-top:50px;border-left:1px solid rgba(255,255,255,.2)}.qc-flow-track li{padding:0 0 32px 28px}.qc-flow-track li:before{top:7px;left:-5px}.qc-evidence{padding-inline:12px}.qc-evidence-head{display:block;margin-inline:10px}.qc-evidence-head a{display:inline-block;margin-top:24px}.qc-screen-pair{grid-template-columns:1fr;gap:0}.qc-screen{margin-bottom:28px;padding:5px}.qc-screen figcaption{display:block}.qc-screen figcaption span{display:block;margin-top:5px}.qc-swatches{height:220px;grid-template-columns:1fr 1fr}.qc-mobile{grid-template-columns:1fr;padding:84px 22px 0;gap:50px}.qc-phone{margin-bottom:-170px}.qc-boundary{padding-top:240px}.qc-cta{padding:90px 22px 50px}.qc-cta h2{font-size:42px}.qp-header{gap:10px;height:68px;padding:0 16px}.mobile-menu{display:block}.qp-nav{position:absolute;left:0;right:0;top:68px;background:var(--paper);display:none;flex-direction:column;align-items:stretch;padding:10px 18px 20px;border-bottom:1px solid var(--line);gap:0}.qp-nav.open{display:flex}.qp-nav a{padding:12px 0}.qp-nav a.active:after{display:none}.header-contact{display:none}.qp-brand small{display:none}.qp-container{padding:0 18px}.page-head{padding:46px 0 30px;display:block}.page-head h1{font-size:45px}.page-head-meta{text-align:left;margin-top:22px}.catalog-toolbar{top:102px;overflow:auto;padding:12px 0}.catalog-toolbar .search{min-width:180px}.product-grid{grid-template-columns:1fr;padding-bottom:70px}.qp-footer{display:block}.qp-footer>div{margin:10px 0;flex-wrap:wrap}.app-hero{min-height:530px}.app-hero img{width:100%;opacity:.42}.app-hero:after{background:linear-gradient(0deg,#151412 20%,rgba(21,20,18,.45) 100%)}.app-hero .qp-container{padding-top:180px}.app-row{grid-template-columns:1fr;gap:12px}.app-row h2{margin-top:28px}.product-main{grid-template-columns:1fr;gap:20px}.product-visual{position:relative;top:0}.product-info h1{font-size:43px}.detail-actions{grid-template-columns:1fr}.selection-layout,.quote-layout{grid-template-columns:1fr}.selection-summary,.quote-side{position:relative;top:0}.selection-item{grid-template-columns:96px 1fr}.selection-item img{width:96px}.selection-item .remove-button{grid-column:2}.selection-controls{align-items:flex-start;flex-direction:column}.note-input{min-width:0;width:100%}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.quote-form{padding:22px}.qc-actions,.status-actions{flex-direction:column;align-items:stretch}.qc-actions .button{width:100%}}
@media(max-width:430px){.concept-bar{font-size:9px}.qp-body{padding-top:34px}.qc-header .button{min-height:38px;padding:0 12px}.qc-back{font-size:10px}.qc-hero h1{font-size:49px}.qc-hero-copy{bottom:30px}.qc-actions{margin:20px 0 12px}.qc-hero-copy>small{font-size:9px}.product-specs{grid-template-columns:1fr 1fr}.product-specs span:last-child{display:none}.product-card-actions{grid-template-columns:1fr auto auto}.detail-highlights{grid-template-columns:1fr}.detail-highlights span{padding:10px 0;border-right:0;border-bottom:1px solid var(--line)}.model-options{overflow:auto}.tab-buttons{overflow:auto;white-space:nowrap}.use-grid{grid-template-columns:1fr}.selection-item{grid-template-columns:72px 1fr;gap:12px}.selection-item img{width:72px}.quote-layout{gap:35px}.qc-phone{width:285px}}

/* The case-study evidence frames are the real, operable prototype views. */
.qc-screen iframe{display:block;width:100%;height:auto;aspect-ratio:16/9;border:0;background:#eee}
.qc-screen-pair .qc-screen iframe{aspect-ratio:4/3}
.qc-phone{height:650px;overflow:hidden;position:relative}
.qc-phone iframe{width:390px;height:844px;border:0;border-radius:27px;transform:scale(.73);transform-origin:top left;background:var(--paper)}
@media(max-width:430px){.qc-phone iframe{transform:scale(.665)}}