:root{--ink:#253a35;--lime:#d8f05b;--orange:#ed7b46;--paper:#f6f5ef;--line:#d9ddd2;--muted:#617068}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,sans-serif}header,footer{max-width:1180px;margin:auto;padding:20px 32px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand img{width:330px;max-width:48vw;display:block}nav{display:flex;gap:22px;flex-wrap:wrap}a{color:inherit}nav a{text-decoration:none;font-size:14px;font-weight:700}.hero{min-height:410px;padding:88px max(32px,calc((100vw - 1116px)/2));background:var(--ink);color:white;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;width:370px;height:370px;border-radius:50%;background:var(--lime);right:-120px;bottom:-170px;opacity:.95}.hero h1{font-family:Georgia,serif;font-size:clamp(45px,7vw,78px);max-width:760px;line-height:.97;letter-spacing:-3px;margin:15px 0 20px;position:relative;z-index:1}.hero p:not(.eyebrow){font-size:19px;line-height:1.55;max-width:590px;position:relative;z-index:1}.eyebrow{color:var(--orange);font-size:12px;font-weight:800;letter-spacing:1.7px;margin:0}.hero .eyebrow{color:var(--lime)}.hero a{display:inline-block;margin-top:12px;padding:15px 21px;background:var(--lime);color:var(--ink);text-decoration:none;font-weight:800;position:relative;z-index:1}.wrap{max-width:1116px;margin:auto;padding:76px 32px}.intro{max-width:680px;margin-bottom:30px}.intro h2{font:44px/1 Georgia,serif;letter-spacing:-1px;margin:12px 0}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tool-group{margin-top:55px}.tool-group:first-of-type{margin-top:0}.group-heading{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:18px}.group-heading h2{font:34px/1 Georgia,serif;margin:0}.group-heading p{margin:0;color:var(--muted)}.tool-card{position:relative;padding:28px;background:#fff;border:1px solid var(--line);text-decoration:none;min-height:240px;transition:transform .2s,box-shadow .2s}.tool-icon{position:absolute;top:20px;right:20px;min-width:42px;height:42px;padding:0 8px;display:grid;place-items:center;border-radius:12px;background:var(--lime);color:var(--ink);font:700 19px/1 Arial,sans-serif;letter-spacing:-2px}.tool-icon.roof{font-size:25px;letter-spacing:0}.tool-icon.stairs{font-size:16px;letter-spacing:0}.tool-icon.fence{font-size:24px;letter-spacing:0}.tool-icon.insulation{font-size:22px;letter-spacing:0}.tool-card:hover{transform:translateY(-4px);box-shadow:8px 10px 0 var(--lime)}.tool-card b{color:var(--orange);font-size:16px}.tool-card h2{font:31px/1 Georgia,serif;margin:25px 0 12px}.tool-card p{color:var(--muted);line-height:1.55}.tool-card span{font-weight:800}.calculator{display:grid;grid-template-columns:1.25fr .75fr;background:#fff;border:1px solid var(--line)}.form{padding:34px}.form h2,.result h2{font:35px/1 Georgia,serif;margin:0 0 12px}.form>p,.result-note{color:var(--muted);line-height:1.55}.inputs{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:27px}label{font-size:13px;font-weight:800}.field{height:51px;border:1px solid var(--line);margin-top:7px;display:flex;align-items:center;padding:0 12px;background:#fbfcf9}.field input,.field select{font:16px Arial,sans-serif;color:var(--ink);border:0;outline:0;width:100%;background:transparent}.field i{font-style:normal;color:var(--muted);white-space:nowrap;margin-left:7px}.action{border:0;background:var(--ink);color:white;padding:16px 21px;font-weight:800;font-size:15px;margin-top:24px;cursor:pointer}.result{background:#e7f1d2;padding:34px}.result .eyebrow{margin-bottom:13px}.big{font:56px/1 Georgia,serif;margin:30px 0}.big span:last-child{font:700 24px Arial,sans-serif}.result-row{display:flex;justify-content:space-between;gap:15px;padding:13px 0;border-top:1px solid #c6d5ac;font-size:14px}.result-row b{text-align:right}.article{max-width:780px;line-height:1.65;font-size:17px}.article h2{font:31px Georgia,serif;margin-top:30px}footer{border-top:1px solid var(--line);font-size:13px;color:var(--muted)}footer a{font-weight:bold}@media(max-width:900px){.tool-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:720px){header,footer{padding:17px 20px;display:block}.brand img{width:260px;max-width:90%;margin-bottom:14px}nav{gap:13px}.hero{min-height:370px;padding:65px 24px}.hero h1{letter-spacing:-2px}.wrap{padding:48px 18px}.tool-grid,.calculator,.inputs{grid-template-columns:1fr}.form,.result{padding:25px}.big{font-size:48px}.tool-card{min-height:0}}
