:root{--blue:#1647ff;--ink:#151515;--gray:#5b606b;--line:#d7dbe2;--pale:#f3f5fa;--mono:'IBM Plex Mono',monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:#fff;color:var(--ink);font-family:Archivo,Arial,sans-serif;font-size:16px;line-height:1.6}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid currentColor;outline-offset:5px}::selection{background:var(--blue);color:#fff}.wrap{width:min(1440px,90%);margin:auto}.mono,.eyebrow{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.045em}.eyebrow{text-transform:uppercase}.masthead{height:96px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--ink)}.logo{font-size:32px;font-weight:900;letter-spacing:-1.6px;display:flex;align-items:center;gap:13px;line-height:1}.logo span{font-family:var(--mono);font-size:12px;letter-spacing:1.3px;background:var(--ink);color:white;padding:12px 13px}.nav{display:flex;gap:32px;font-size:14px}.nav a:hover{color:var(--blue)}.hero{padding:42px 0 64px;display:grid;grid-template-columns:1.12fr 1fr;gap:5%;align-items:center}.hero .eyebrow{margin:0 0 23px}.hero h1{font-size:clamp(52px,6.8vw,98px);font-weight:800;line-height:1.025;letter-spacing:-.055em;margin:0 0 25px;max-width:800px}.hero h1 span{color:var(--blue)}.hero p.intro{font-size:18px;line-height:1.65;max-width:510px;margin:0 0 28px}.actions{display:flex;flex-wrap:wrap;gap:12px}.button{display:inline-flex;justify-content:center;align-items:center;min-height:52px;padding:14px 23px;background:var(--blue);border:1px solid var(--blue);color:white;font-size:14px;font-weight:600;line-height:1.4;transition:background .2s,color .2s}.button:hover{background:var(--ink);border-color:var(--ink)}.button.outline{background:white;color:var(--ink);border-color:var(--ink)}.button.outline:hover{background:var(--ink);color:white}.hero-note{font-size:12px;color:var(--gray);margin-top:18px}.example{background:var(--blue);color:white;padding:28px 30px 25px;position:relative}.example-top{display:flex;justify-content:space-between;gap:15px;border-bottom:1px solid #ffffff70;padding-bottom:18px}.example-top span:last-child{opacity:.8}.example h2{font-size:19px;font-weight:500;letter-spacing:-.02em;margin:27px 0 12px}.switch{display:flex;gap:0;border:1px solid #ffffff90;padding:4px;margin-bottom:27px}.switch button{flex:1;background:transparent;border:0;color:#fff;padding:11px 5px;font-size:14px;font-weight:500}.switch button[aria-pressed=true]{background:white;color:var(--blue)}.result{display:flex;align-items:end;justify-content:space-between;gap:12px;padding:4px 0 22px}.result strong{font-size:clamp(66px,7.2vw,104px);letter-spacing:-.065em;line-height:1;font-weight:700;font-variant-numeric:tabular-nums}.result span{max-width:110px;font-size:15px;line-height:1.4;margin-bottom:7px}.result-lines{border-top:1px solid #ffffff70}.result-line{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px solid #ffffff55;font-size:15px}.result-line b{font-family:var(--mono);font-weight:500}.example-note{font-size:12px;line-height:1.6;color:#fff;margin:19px 0 0;max-width:410px}.strip{border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);display:grid;grid-template-columns:repeat(3,1fr);padding:19px 0;gap:20px;font-size:14px}.strip span{display:flex;gap:12px;align-items:center}.strip b{font-family:var(--mono);font-size:12px;color:var(--blue);font-weight:500}.tools-intro{display:flex;justify-content:space-between;gap:32px;align-items:end;padding:70px 0 34px}.tools-intro h2{font-size:clamp(34px,4vw,56px);line-height:1.12;letter-spacing:-.045em;margin:11px 0 0;max-width:620px}.tools-intro p{max-width:350px;font-size:16px;color:var(--gray);margin:0}.tool{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--ink);padding:44px 0 55px;gap:6%;align-items:center}.tool-info .eyebrow{color:var(--blue);margin:0 0 17px}.tool-info h3{font-size:clamp(32px,3.7vw,51px);line-height:1.08;letter-spacing:-.04em;margin:0 0 21px;font-weight:700;max-width:560px}.tool-info>p{max-width:500px;font-size:17px;margin:0 0 22px}.tool-info ul{list-style:none;padding:0;margin:0 0 27px;max-width:500px}.tool-info li{border-top:1px solid var(--line);padding:11px 0;font-size:14px;display:flex;align-items:start;gap:12px}.tool-info li:before{content:'+';font-family:var(--mono);color:var(--blue)}.tool-meta{font-size:12px;color:var(--gray);margin-top:15px}.product-visual{padding:30px;background:var(--pale)}.visual-label{display:flex;justify-content:space-between;gap:12px;color:var(--gray);padding-bottom:20px}.profit-sheet{background:white;padding:24px;border:1px solid var(--line)}.profit-sheet h4{font-size:18px;letter-spacing:-.02em;margin:0 0 6px}.sheet-sub{font-size:12px;color:var(--gray);margin:0 0 25px}.profit-total{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px}.profit-total div{background:var(--blue);color:white;padding:16px}.profit-total small{font-size:12px;display:block}.profit-total b{font-size:38px;line-height:1.35;letter-spacing:-.045em;display:block}.mini-row{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}.mini-row span:last-child{font-family:var(--mono)}.input{background:#ebf0ff;color:#1439b8;padding:1px 6px}.visual-caption{font-size:12px;line-height:1.6;color:var(--gray);margin:17px 0 0}.supplier .product-visual{order:-1;background:#f0f2f5}.quote-table{width:100%;border-collapse:collapse;background:#fff;font-size:14px;line-height:1.45}.quote-table th,.quote-table td{text-align:left;padding:16px 12px;border-bottom:1px solid var(--line)}.quote-table thead th{background:var(--ink);color:#fff;font-family:var(--mono);font-size:12px;font-weight:500}.quote-table th:first-child{width:44%;font-weight:500}.quote-table td{font-family:var(--mono);font-size:13px}.quote-table tbody tr:first-child td{color:var(--blue);font-weight:600}.quote-foot{font-size:15px;line-height:1.55;margin:20px 0 0}.guide{border-top:1px solid var(--ink);padding:53px 0 62px;display:grid;grid-template-columns:1fr 1fr;gap:6%}.guide h2{font-size:clamp(31px,3.6vw,48px);letter-spacing:-.04em;line-height:1.12;margin:11px 0 0;max-width:520px}.guide p{font-size:17px;margin:0 0 22px}.guide .formats{display:flex;gap:10px;flex-wrap:wrap}.formats span{border:1px solid var(--line);padding:8px 13px;font-family:var(--mono);font-size:12px}.faq{border-top:1px solid var(--ink);padding:44px 0 58px;display:grid;grid-template-columns:.7fr 1fr;gap:12%}.faq h2{font-size:30px;line-height:1.2;letter-spacing:-.03em;margin:0}.faq details{border-bottom:1px solid var(--line);padding:17px 0}.faq details:first-child{padding-top:0}.faq summary{font-size:16px;font-weight:500;cursor:pointer}.faq details p{color:var(--gray);font-size:15px;margin-bottom:0}.footer{background:var(--blue);color:white;padding:35px 0 27px}.footer-mark{font-size:clamp(52px,11.8vw,176px);font-weight:900;line-height:1.05;letter-spacing:-.06em;border-bottom:1px solid #ffffff80;padding-bottom:23px;white-space:nowrap}.footer-bottom{display:flex;justify-content:space-between;gap:15px;padding-top:20px;font-size:12px}.footer-bottom a{text-decoration:underline;text-underline-offset:4px}.skip{position:absolute;top:-100px;left:10px;z-index:10;background:white;color:var(--ink);padding:12px}.skip:focus{top:10px}dialog{border:1px solid var(--ink);padding:32px;width:min(760px,92vw);max-height:88vh;overflow:auto;color:var(--ink)}dialog::backdrop{background:#111b}dialog h2{font-size:clamp(29px,4vw,43px);line-height:1.12;letter-spacing:-.04em;margin:28px 0 22px}dialog h3{font-size:17px;margin:23px 0 8px}dialog p,dialog li{font-size:16px}dialog ul{padding-left:22px}dialog .close{display:block;margin-left:auto;border:1px solid var(--ink);background:white;padding:9px 14px;font-size:14px}dialog .close:hover{background:var(--ink);color:white}.dialog-image{width:100%;height:auto;display:block;border:1px solid var(--line);margin:22px 0}.dialog-fine{border-top:1px solid var(--line);padding-top:18px;color:var(--gray)}
@media(min-width:1500px){.hero h1{font-size:100px}}@media(max-width:1000px){.hero{gap:4%}.hero h1{font-size:64px}.example{padding:24px}.tool{gap:4%}.product-visual{padding:20px}.quote-table th,.quote-table td{padding:13px 9px}.strip{font-size:12px}.strip span{gap:8px}.nav{gap:20px}.result strong{font-size:76px}}@media(max-width:760px){.wrap{width:89%}.masthead{height:78px}.logo{font-size:27px}.logo span{font-size:10px;padding:10px}.nav{gap:17px}.nav a{font-size:12px}.nav a:last-child{display:none}.hero{grid-template-columns:1fr;padding-top:29px;gap:34px;padding-bottom:36px}.hero h1{font-size:clamp(48px,9.3vw,72px);max-width:640px}.hero p.intro{font-size:17px;max-width:580px}.hero .eyebrow{margin-bottom:20px}.example{max-width:590px;width:100%;padding:24px}.result strong{font-size:90px}.strip{grid-template-columns:1fr;gap:10px;padding:18px 0;font-size:14px}.strip span{gap:12px}.tools-intro{display:block;padding-top:43px}.tools-intro p{margin-top:20px;max-width:540px}.tools-intro h2{font-size:39px}.tool{grid-template-columns:1fr;padding:30px 0 38px;gap:28px}.tool-info h3{font-size:38px}.supplier .product-visual{order:0}.tool-info>p{font-size:16px}.tool-info li{font-size:14px}.guide,.faq{grid-template-columns:1fr;gap:25px;padding:36px 0 40px}.guide h2{font-size:36px}.guide p{font-size:16px}.faq h2{font-size:28px}.footer-mark{font-size:11.1vw}.footer-bottom{font-size:11px}.profit-total b{font-size:34px}}@media(max-width:380px){.logo{font-size:24px;gap:8px}.logo span{padding:9px 7px}.hero h1{font-size:46px}.actions{display:grid}.button{padding:14px 15px}.example{padding:19px}.result strong{font-size:78px}.product-visual{padding:15px}.profit-sheet{padding:16px}.quote-table th,.quote-table td{padding:12px 7px;font-size:12px}.tool-info h3{font-size:34px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}

.truss-buy-form{display:inline-block;margin:0}.truss-buy-form select{display:block;max-width:100%;margin:0 0 10px;padding:8px;font:inherit}.truss-buy-form button:disabled{opacity:.55;cursor:not-allowed}.nav{align-items:center}.truss-price{white-space:nowrap}

.tool-purchase{display:flex;align-items:center;flex-wrap:wrap;gap:16px 24px;margin-top:24px}.tool-purchase .button{margin:0}.tool-price{display:inline-block;color:var(--ink);font-size:24px;font-weight:700;line-height:1.2;white-space:nowrap;font-variant-numeric:tabular-nums}.tool-purchase + .tool-meta{margin-top:16px}