@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#193b32;--muted:#6e776f;--paper:#f7f6f0;--line:#dedfd4;--orange:#dc7845;--pale:#e9ede3}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',sans-serif;font-size:15px}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{ -webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--orange);outline-offset:4px}button{cursor:pointer}header{height:88px;max-width:1280px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:0 40px;border-bottom:1px solid var(--line)}.brand{font:800 23px Manrope,sans-serif;letter-spacing:-1px;display:flex;align-items:center;gap:11px}.brand img{width:33px}nav{display:flex;gap:30px;align-items:center;font-size:14px}nav a:hover{color:var(--orange)}.nav-save{border:1px solid var(--line);padding:11px 16px;border-radius:6px}main{max-width:1200px;margin:auto;padding:0 0 60px}.hero{padding:64px 0 53px;display:grid;grid-template-columns:1.2fr 1fr;gap:70px;align-items:center}.eyebrow{text-transform:uppercase;font-size:11px;letter-spacing:2px;font-weight:700;display:flex;align-items:center;gap:9px}.dot{height:7px;width:7px;background:var(--orange);border-radius:50%}h1{font:800 clamp(36px,4.6vw,60px)/1.08 Manrope,sans-serif;letter-spacing:-2.6px;margin:20px 0}h1 em{font-style:normal;color:var(--orange)}.hero p{max-width:490px;line-height:1.8;color:var(--muted);font-size:16px}.hero-notes{display:flex;gap:24px;font-size:12px;margin-top:25px}.hero-notes span:before{content:'✓';color:var(--orange);margin-right:7px}.blueprint{background:var(--pale);border-radius:12px;position:relative;min-height:265px;overflow:hidden;background-image:linear-gradient(#193b3206 1px,transparent 1px),linear-gradient(90deg,#193b3206 1px,transparent 1px);background-size:22px 22px}.blueprint svg{width:100%;height:265px}.drawing-label{position:absolute;bottom:17px;left:22px;font-size:10px;letter-spacing:1.5px;text-transform:uppercase}.drawing-tag{position:absolute;right:19px;top:18px;font-size:10px;padding:7px 10px;background:#fff9;border:1px solid #fff;border-radius:20px}.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.section-head h2{font:700 22px Manrope;margin:0;letter-spacing:-.7px}.section-head span{font-size:12px;color:var(--muted)}.tool-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-bottom:24px}.tool-link{padding:18px;border:1px solid var(--line);border-radius:8px;background:#fff7;display:flex;align-items:center;gap:12px;font-size:13px;font-weight:600;transition:.2s}.tool-link:hover{border-color:var(--ink);transform:translateY(-2px)}.tool-link.active{background:var(--ink);color:white;border-color:var(--ink)}.tool-icon{font-size:20px;opacity:.8}.workspace{display:grid;grid-template-columns:1.15fr .85fr;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}.entry{padding:30px 34px}.tool-kicker{color:var(--orange);font-size:10px;letter-spacing:1.7px;font-weight:700}.entry h2{font:700 25px Manrope;letter-spacing:-.8px;margin:10px 0}.sub{color:var(--muted);line-height:1.65;font-size:13px}.entry-top{display:flex;align-items:start;justify-content:space-between;gap:15px}.unit-select{font-size:12px;max-width:140px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:19px 20px;margin:25px 0 22px}label{display:block;font-size:12px;font-weight:600}input,select{display:block;width:100%;border:1px solid var(--line);border-radius:6px;background:#fff;padding:12px;color:var(--ink);margin-top:8px;min-width:0}input:hover{border-color:#9da99c}.input-wrap{position:relative}.input-wrap input{padding-right:62px}.suffix{position:absolute;right:12px;bottom:13px;font-size:11px;color:var(--muted);font-weight:400}.wide{grid-column:1/-1}.primary{border:0;color:white;background:var(--ink);border-radius:6px;padding:14px 22px;font-weight:600}.calculate{width:100%;display:flex;justify-content:space-between}.secondary{border:1px solid #cdd2c8;background:transparent;border-radius:6px;padding:11px 15px;color:var(--ink);font-size:12px}.helper{font-size:11px;color:var(--muted);margin:13px 0 0;line-height:1.6}.result{background:#edf0e7;padding:32px;display:flex;flex-direction:column;position:relative}.result-label{text-transform:uppercase;letter-spacing:1.8px;font-size:10px;font-weight:700;display:flex;justify-content:space-between}.live-dot{color:#718169}.result-value{font:800 57px Manrope;letter-spacing:-2px;margin:15px 0 2px;line-height:1.15}.result-value small{font:500 17px 'DM Sans';letter-spacing:0;margin-left:8px}.result-desc{font-size:12px;color:var(--muted)}.metrics{display:grid;grid-template-columns:1fr 1fr;margin-top:25px;padding:20px 0;border-top:1px solid #d1d7c9;border-bottom:1px solid #d1d7c9;gap:20px}.metrics span{display:block;font-size:11px;color:var(--muted);margin-bottom:7px}.metrics strong{font-size:20px;font-weight:500}.result svg{width:100%;max-height:135px;margin:12px 0}.result-actions{margin-top:auto;display:flex;gap:10px;padding-top:15px}.result-actions button{flex:1}.error{color:#a33a23;font-size:13px;margin:12px 0}.result-detail{font-size:12px;line-height:1.8;margin:17px 0;color:#526353}.guide-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.guides{margin-top:55px}.guide-card{border-top:1px solid var(--line);padding:22px 0}.guide-num{font-size:10px;color:var(--orange);letter-spacing:1.5px}.guide-card h3{font:700 17px Manrope;line-height:1.5}.guide-card p{font-size:13px;line-height:1.7;color:var(--muted)}.text-link{font-size:12px;font-weight:700}.trust-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin:40px 0;padding:25px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.trust-strip h3{font-size:13px;margin:0 0 9px}.trust-strip p{font-size:12px;line-height:1.65;color:var(--muted);margin:0}.article{max-width:780px;margin:65px auto;line-height:1.9}.article h1{font-size:43px;line-height:1.2}.article h2{margin-top:36px;font:700 23px Manrope}.article p,.article li{color:#536156}.article .callout{background:var(--pale);padding:23px;border-radius:8px}.article a{text-decoration:underline;text-underline-offset:4px}.faq{margin:40px 0}.faq h2{font:700 23px Manrope}.faq details{border-bottom:1px solid var(--line);padding:18px 0;font-size:14px}.faq summary{cursor:pointer;font-weight:600}.faq p{color:var(--muted);line-height:1.7;max-width:800px}footer{border-top:1px solid var(--line);padding:28px 40px;max-width:1280px;margin:auto;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted)}footer .links{display:flex;gap:24px}.save-list{display:grid;gap:14px;margin:30px 0}.saved-card{padding:20px;background:white;border:1px solid var(--line);border-radius:8px}.saved-card h3{margin:0 0 10px}.saved-card button{margin:10px 8px 0 0}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;padding:14px 24px;border-radius:8px;z-index:10;box-shadow:0 5px 30px #0002;font-size:13px}.cut-bars{display:grid;gap:7px;margin:18px 0}.cut-bar{display:flex;height:26px;border:1px solid #9cab95;background:#d7ddcf}.cut-piece{background:#bd825a;color:white;border-right:2px solid #edf0e7;font-size:10px;display:flex;align-items:center;justify-content:center;overflow:hidden}.print-only{display:none} @media(max-width:1260px){main{padding:0 32px 50px}.hero{gap:35px}}@media(max-width:800px){header{padding:0 22px;height:75px}nav{gap:16px}nav .hide-mobile{display:none}main{padding:0 20px 40px}.hero{padding:38px 0 30px;grid-template-columns:1fr;gap:20px}.hero h1{font-size:45px}.blueprint{display:none}.hero-notes{gap:12px;flex-wrap:wrap}.tool-nav{grid-template-columns:repeat(2,1fr);gap:8px}.tool-link{padding:14px}.tool-link:last-child{grid-column:1/-1}.workspace{grid-template-columns:1fr}.entry,.result{padding:25px}.guide-row,.trust-strip{grid-template-columns:1fr;gap:12px}.guide-card{padding:17px 0}.section-head span{display:none}footer{padding:25px 20px;gap:24px;align-items:start;flex-direction:column}.article{margin-top:35px}.article h1{font-size:35px}.result-value{font-size:48px}}@media print{header,footer,.hero,.tool-nav,.section-head,.guides,.trust-strip,.faq,.result-actions,.calculate,.helper,.toast,.unit-select{display:none!important}body{background:white}main{padding:0}.workspace{display:block;border:0}.result,.entry{padding:16px;background:white}.fields{margin:10px 0;gap:8px}.print-only{display:block}.result-value{font-size:38px}.saved-card button{display:none}}