*{box-sizing:border-box}
:root{--ink:#082b55;--muted:#5f7287;--line:#dce8f2;--soft:#f3faff;--blue:#31b8ea;--blue2:#0057a8;--green:#15935b}
html{scroll-behavior:smooth}
body{margin:0;background:#f7f8fa;color:var(--ink);font:15px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.site-header{height:72px;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.header-inner{max-width:1180px;height:100%;margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none}
.brand-mark{display:grid;place-items:center;width:31px;height:31px;border-radius:9px;background:var(--blue2);color:#fff;font-size:11px;font-weight:900;letter-spacing:-.05em}
.brand-name{font-size:21px;font-weight:850;letter-spacing:-.045em}.brand-name span{font-weight:400}
.header-right{color:#68707c;font-size:13px;display:flex;gap:8px;align-items:center}.location-dot{width:7px;height:7px;background:#18a66a;border-radius:50%;box-shadow:0 0 0 4px #e6f7ef}
main{max-width:1180px;margin:auto;padding:68px 24px 90px}
.hero{max-width:820px;margin-bottom:44px}
.eyebrow{font-size:11px;font-weight:850;letter-spacing:.16em;color:#5d6673;display:flex;align-items:center;gap:8px}.eyebrow span{width:18px;height:2px;background:var(--blue);display:inline-block}
.hero h1{font-size:clamp(42px,6vw,72px);line-height:1.02;letter-spacing:-.055em;margin:13px 0 20px}.hero h1 em{font-style:normal;color:#66707d}
.hero-copy{max-width:690px;color:#626b78;font-size:18px;line-height:1.65;margin:0}.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.hero-pills span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 12px;color:#56606d;font-size:12px;font-weight:650}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:22px;align-items:start}.main-column{min-width:0}
.card,.side-card{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 8px 30px rgba(11,18,32,.035);padding:30px;margin-bottom:18px}
.section-heading{display:flex;gap:15px;align-items:flex-start;margin-bottom:24px}.step{flex:0 0 auto;width:38px;height:38px;border-radius:12px;background:#eef3ff;color:var(--blue);display:grid;place-items:center;font-size:12px;font-weight:900}.result-step{background:#eaf8f1;color:var(--green)}
.section-heading h2{margin:0;font-size:21px;letter-spacing:-.025em}.section-heading p{margin:3px 0 0;color:var(--muted);font-size:13px}
.drop{min-height:220px;border:1.5px dashed #c8ced8;border-radius:16px;background:#fbfcfe;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;transition:.18s}.drop:hover,.drop.dragover{border-color:var(--blue);background:#f5f8ff}.drop input{display:none}.upload-icon{width:48px;height:48px;border-radius:14px;background:#eaf0ff;color:var(--blue);display:grid;place-items:center;font-size:26px;font-weight:300;margin-bottom:7px}.drop strong{font-size:16px}.drop span{color:#697382;font-size:13px}.drop span u{text-underline-offset:2px}.drop small{color:#9aa1ab;font-size:11px;margin-top:5px}.drop em{font-style:normal;font-size:13px;font-weight:750;color:var(--blue);margin-top:7px;max-width:85%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.secure-note{font-size:11px;color:#89919c;text-align:center;margin-top:12px}.secure-note span{color:#8b95a3;margin-right:4px}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}.field label,.range-head label,.quantity-row label{display:block;font-size:12px;font-weight:800;color:#3f4752;margin:0 0 7px}.field label span{color:#d14343}
select,input,textarea{width:100%;padding:13px 14px;border:1px solid #d8dde5;border-radius:11px;background:#fff;color:var(--ink);font:inherit;outline:none;transition:.15s}select:focus,input:focus,textarea:focus{border-color:#8db0ff;box-shadow:0 0 0 3px #eaf0ff}textarea{resize:vertical}.field{margin-top:17px}
.range-wrap{margin-top:25px}.range-head{display:flex;justify-content:space-between;align-items:center}.range-head strong{font-size:14px;color:var(--blue)}
input[type=range]{appearance:none;height:6px;padding:0;border:0;border-radius:999px;background:linear-gradient(90deg,var(--blue) 0 20%,#e6e9ee 20% 100%);cursor:pointer}input[type=range]::-webkit-slider-thumb{appearance:none;width:20px;height:20px;border-radius:50%;background:#fff;border:4px solid var(--blue);box-shadow:0 2px 8px rgba(0,0,0,.14)}input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#fff;border:4px solid var(--blue);box-shadow:0 2px 8px rgba(0,0,0,.14)}.range-labels{display:flex;justify-content:space-between;color:#a0a7b0;font-size:10px;margin-top:7px}
.quantity-row{margin-top:24px;padding-top:22px;border-top:1px solid #edf0f3;display:flex;justify-content:space-between;align-items:center}.quantity-row p{margin:2px 0 0;color:#8a929d;font-size:12px}.quantity-row input{width:110px;text-align:center;font-weight:750}
button{border:0;font:inherit;cursor:pointer}.primary{width:100%;margin-top:24px;padding:15px 18px;border-radius:11px;background:var(--ink);color:#fff;font-weight:800;display:flex;justify-content:center;align-items:center;gap:10px;transition:.15s}.primary:hover{background:#182235;transform:translateY(-1px)}.primary b,.secondary b{font-size:18px;font-weight:500}.primary:disabled{opacity:.6;cursor:wait;transform:none}.secondary{width:100%;margin-top:22px;padding:14px 18px;border-radius:11px;background:#edf1f6;color:var(--ink);font-weight:800;display:flex;justify-content:center;align-items:center;gap:9px}.secondary:hover{background:#e5e9ef}
.error{color:#b42318;font-size:12px;margin-top:10px}.success{color:#087443;font-size:13px;font-weight:750;margin-top:12px}
.model-banner{display:flex;align-items:center;gap:12px;background:#f7f9fc;border:1px solid #e8ebf0;border-radius:13px;padding:12px 14px;margin-bottom:18px}.model-file{width:40px;height:40px;border-radius:9px;background:#e9eef7;color:#526174;display:grid;place-items:center;font-size:10px;font-weight:900}.model-banner div:nth-child(2){display:flex;flex-direction:column;min-width:0}.model-banner strong{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.model-banner span{font-size:11px;color:#7f8996}.model-banner .check{margin-left:auto;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:#def5e9;color:#158653;font-weight:900;font-size:12px}
.stats{display:grid;grid-template-columns:1fr 1fr;border:1px solid #e8ebef;border-radius:13px;overflow:hidden}.stats div{padding:17px 16px}.stats div:nth-child(1),.stats div:nth-child(2){border-bottom:1px solid #e8ebef}.stats div:nth-child(1),.stats div:nth-child(3){border-right:1px solid #e8ebef}.stats span{display:block;color:#939ba6;font-size:9px;font-weight:850;letter-spacing:.1em;margin-bottom:4px}.stats b{font-size:16px;letter-spacing:-.02em}
.estimate-total{display:flex;justify-content:space-between;align-items:center;padding:24px 0 8px}.estimate-total span{display:block;font-weight:800;font-size:15px}.estimate-total small{display:block;color:#858e9a;font-size:11px;margin-top:3px}.estimate-total>strong{font-size:13px}.estimate-total>strong b{font-size:30px;letter-spacing:-.04em;margin-left:4px}.fine{font-size:11px;color:#89919d;line-height:1.55;margin:9px 0 0}
.side-column{position:sticky;top:94px}.side-card{padding:23px}.side-title{font-size:10px;font-weight:900;letter-spacing:.14em;color:#7b8490}.spark{color:var(--blue);font-size:14px;margin-right:5px}.side-card ol{list-style:none;padding:0;margin:19px 0 0}.side-card li{position:relative;padding:0 0 20px 34px}.side-card li:last-child{padding-bottom:0}.side-card li:before{content:counter(item);counter-increment:item;position:absolute;left:0;top:0;width:22px;height:22px;border-radius:7px;background:#f0f3f7;color:#596474;display:grid;place-items:center;font-size:10px;font-weight:900}.side-card ol{counter-reset:item}.side-card li:after{content:"";position:absolute;left:10px;top:23px;height:calc(100% - 20px);border-left:1px dashed #d8dde4}.side-card li:last-child:after{display:none}.side-card li b{display:block;font-size:13px}.side-card li span{display:block;color:#89919d;font-size:11px;margin-top:2px}
.trust-card{background:var(--ink);color:#fff;border-color:var(--ink)}.trust-card .side-title{color:#9da8b8}.trust-card h3{font-size:24px;line-height:1.1;letter-spacing:-.04em;margin:15px 0 11px}.trust-card p{color:#aeb8c7;font-size:12px;line-height:1.6}.trust-line{font-size:11px;color:#d4dae3;margin-top:10px}.trust-line span{color:#54d59b;margin-right:7px}
footer{max-width:1180px;margin:auto;padding:0 24px 40px;color:#8b939e;font-size:11px;display:flex;justify-content:space-between}
.hidden{display:none}
@media(max-width:900px){main{padding-top:48px}.layout{grid-template-columns:1fr}.side-column{position:static;display:grid;grid-template-columns:1fr 1fr;gap:18px}.side-card{margin-bottom:0}}
@media(max-width:650px){.header-right{display:none}.hero h1{font-size:43px}.hero-copy{font-size:16px}.hero-pills span{font-size:10px}.card{padding:22px;border-radius:16px}.field-grid,.stats,.side-column{grid-template-columns:1fr}.stats div:nth-child(1),.stats div:nth-child(3){border-right:0}.stats div:nth-child(1),.stats div:nth-child(2),.stats div:nth-child(3){border-bottom:1px solid #e8ebef}.stats div:last-child{border-bottom:0}.quantity-row{align-items:flex-end}.estimate-total{align-items:flex-end}footer{display:block}footer span{display:block;margin-top:5px}}

.file-selected{display:flex;align-items:center;gap:10px;margin-top:9px;padding:8px 10px 8px 12px;background:#eaf8ff;border:1px solid #c7ebf9;border-radius:10px;max-width:90%;color:#07598f;font-size:12px;font-weight:700}.file-selected span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-selected button{margin-left:auto;width:25px;height:25px;border-radius:7px;background:#fff;border:1px solid #c8dce8;color:#496173;font-size:18px;line-height:1;cursor:pointer}.file-selected button:hover{background:#f0f5f8;color:#0b3656}.cost-debug{margin-top:14px;padding:14px;border:1px dashed #b8c7d3;background:#f8fbfd;border-radius:12px}.cost-debug-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:10px}.cost-debug-head strong{font-size:13px}.cost-debug-head span{font-size:9px;text-transform:uppercase;letter-spacing:.1em;color:#71808d;font-weight:800}.cost-grid{display:grid;grid-template-columns:1fr 1fr;border:1px solid #e1e7ec;border-radius:9px;overflow:hidden}.cost-grid div{padding:10px;border-bottom:1px solid #e1e7ec}.cost-grid div:nth-child(odd){border-right:1px solid #e1e7ec}.cost-grid div:nth-last-child(-n+2){border-bottom:0}.cost-grid span{display:block;color:#89939e;font-size:8px;font-weight:850;letter-spacing:.09em;margin-bottom:3px}.cost-grid b{font-size:13px}.cost-total{display:flex;justify-content:space-between;gap:12px;padding:12px 2px 4px;font-size:10px;font-weight:800}.cost-total b{font-size:16px}.cost-meta{display:flex;gap:12px;flex-wrap:wrap;color:#63727f;font-size:10px;margin-top:3px}.cost-debug p{font-size:10px;color:#7c8790;line-height:1.45;margin:10px 0 0}.cost-debug p strong{color:#4f5d68}@media(max-width:650px){.cost-grid div:nth-child(odd){border-right:0}.cost-grid div:nth-last-child(-n+2){border-bottom:1px solid #e1e7ec}.cost-grid div:last-child{border-bottom:0}}
.price-range{margin-top:8px;padding:10px 12px;background:#f0faff;border:1px solid #cdeefa;border-radius:10px;color:#41657d;font-size:12px}.price-range strong{color:var(--blue2);margin-left:4px}.price-range span{color:#7d94a7;margin-left:4px}

.viewer-card{margin-top:16px;border:1px solid #e1e6ed;border-radius:15px;background:#f7f9fc;overflow:hidden}.viewer-head{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;background:#fff;border-bottom:1px solid #e7ebf0}.viewer-head>div{display:flex;flex-direction:column;gap:2px}.viewer-head strong{font-size:13px}.viewer-head span{font-size:11px;color:#7c8795}.viewer-head button{padding:7px 10px;border:1px solid #d8dee7;border-radius:8px;background:#fff;color:#4d5968;font-size:11px;font-weight:700}.viewer-wrap{position:relative;height:390px;min-height:260px;background:#f4f7fb;overflow:hidden}.viewer-wrap canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab}.viewer-wrap canvas:active{cursor:grabbing}.viewer-message{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none;color:#66717f;font-size:12px;font-weight:700}.viewer-message.error-message{color:#b42318}.viewer-message.hidden{display:none!important}.viewer-progress{position:absolute;left:14px;right:14px;bottom:30px;height:3px;border-radius:99px;background:#e1e6ed;overflow:hidden;pointer-events:none}.viewer-progress span{display:block;height:100%;width:0;background:#1769ff;transition:width .15s ease}.viewer-help{position:absolute;left:12px;bottom:8px;color:#98a1ad;font-size:9px;pointer-events:none}.viewer-dims{padding:9px 14px;background:#fff;border-top:1px solid #e7ebf0;color:#697585;font-size:10px}.viewer-axes{position:absolute;right:13px;top:13px;width:54px;height:54px;border-radius:10px;background:rgba(255,255,255,.86);border:1px solid #e1e6ed;display:flex;align-items:center;justify-content:center;gap:4px;box-shadow:0 2px 8px rgba(11,18,32,.05);pointer-events:none}.viewer-axes i{font-style:normal;font-size:10px;font-weight:900}.viewer-axes i:nth-child(1){color:#d04b4b}.viewer-axes i:nth-child(2){color:#3b9a68}.viewer-axes i:nth-child(3){color:#4479bd}@media(max-width:650px){.viewer-wrap{height:310px}.viewer-head{padding:11px 12px}}