:root{--ink:#103d42;--paper:#eff3ed;--tint:#16474b;--accent:#96702f;font-family:Arial,sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:4px}header,main{max-width:1120px;margin:auto}header{padding:18px 26px;display:flex;gap:20px;align-items:center;justify-content:space-between;border-bottom:1px solid #9996}header>a:first-child{font-weight:bold;text-decoration:none}main{padding:0 26px}.skip{position:absolute;left:-9999px}.skip:focus{left:8px;top:8px;background:white;padding:12px;z-index:5}.hero{display:grid;grid-template-columns:1.25fr 1fr;gap:44px;align-items:center;padding:58px 0}.kicker{font-size:12px;font-weight:bold;letter-spacing:2px}h1{font:clamp(38px,5.5vw,64px)/1.07 Georgia,serif;letter-spacing:-1.5px;margin:18px 0}h2{font:32px/1.2 Georgia,serif;margin:14px 0 24px}h3{line-height:1.3}.lead{font-size:21px;line-height:1.6}p,li{line-height:1.65}.fine,figcaption{font-size:13px;line-height:1.6}.cta,button{display:inline-block;background:var(--ink);color:var(--paper);padding:15px 20px;border:2px solid var(--ink);font:700 16px/1.35 Arial;border-radius:8px;cursor:pointer;text-decoration:none}.small{font-size:13px;padding:10px 14px}.secondary{background:transparent;color:var(--ink)}button:disabled{opacity:.5;cursor:not-allowed}a:focus-visible,button:focus-visible,input:focus,textarea:focus,select:focus{outline:3px solid var(--accent);outline-offset:4px}.art{padding:32px;background:var(--tint);border-radius:28px}.tool{padding:34px;background:#fff;color:#243335;border:2px solid var(--ink);border-radius:16px;box-shadow:8px 8px 0 var(--tint);scroll-margin-top:20px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}label{display:block;font-weight:bold;margin:18px 0 8px}input,select,textarea{display:block;width:100%;min-width:0;padding:13px;border:1px solid #647174;border-radius:6px;background:white;color:#243335;font:17px/1.5 Arial}textarea{resize:vertical}input[type=checkbox]{display:inline;width:auto;margin-right:10px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}.result{white-space:pre-wrap;padding:24px;background:#edf3ef;border-left:5px solid var(--accent);margin:24px 0;overflow-wrap:anywhere}.result:empty{display:none}.guide{padding:60px 0;max-width:850px}.guide li{margin:14px 0}.app{border-top:1px solid #9996;padding:45px 0;display:grid;grid-template-columns:1.4fr 1fr;gap:50px}.app>div>img{border-radius:16px}.app figure{text-align:center;margin:0}.app figure img{width:230px;max-width:100%;height:auto;border:1px solid #9995;border-radius:18px}footer{border-top:1px solid #9996;padding:28px 0;font-size:14px}[hidden]{display:none!important}@media(max-width:700px){header{padding:15px 18px}main{padding:0 18px}.hero,.app,.grid{grid-template-columns:1fr}.hero{gap:24px;padding:35px 0}.tool{padding:20px;box-shadow:5px 5px 0 var(--tint)}h2{font-size:27px}.guide{padding:40px 0}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}.art{color:white;border-radius:4px}.art svg{width:100%;height:auto}.unit{display:block;font-size:22px}.hero h1{font-family:Arial,sans-serif;font-weight:800;letter-spacing:-2px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.metrics>div{background:#e9f1eb;padding:20px}.metrics small{display:block;font-weight:700;font-size:11px}.metrics strong{display:block;font-size:29px;margin-top:12px;overflow-wrap:anywhere}#error{color:#942d19}@media(max-width:700px){.metrics{grid-template-columns:1fr}.hero h1{font-size:42px}}