:root{font-family:Arial,sans-serif;color:#123f50;background:#f5f9f8;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a,input{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #08aab9}a{color:inherit}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}[hidden]{display:none!important}.eng-header{max-width:1320px;padding:25px 32px;margin:auto;display:flex;justify-content:space-between;align-items:center}.eng-brand{display:flex;gap:10px;align-items:center;text-decoration:none;letter-spacing:1px;font-size:15px}.eng-brand b{color:#008d9c}.eng-brand small{display:block;font-size:8px;letter-spacing:2px;margin-top:5px;color:#688b94}.eng-header nav{display:flex;gap:30px;font-size:12px}.eng-header nav a{text-decoration:none}.eng-header nav a:last-child{color:#008d9c}main{max-width:1320px;margin:auto;padding:0 32px}.eng-intro{border-radius:20px;background:radial-gradient(ellipse at 80% 30%,#15566a,transparent 55%),#073447;color:#fff;padding:48px 65px;display:flex;align-items:center;justify-content:space-between;overflow:hidden;position:relative}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:700;color:#009a9d}.eng-intro .eyebrow{color:#91e5d9}.eng-intro h1{font-size:52px;line-height:1.08;letter-spacing:-2px;margin:20px 0}.eng-intro h1 span{color:#a3eadb}.eng-intro>div>p:not(.eyebrow){font-size:14px;line-height:1.8;color:#bedce4}.intro-tags{display:flex;gap:20px;font-size:10px;margin-top:25px;color:#9ac8cf}.intro-tags span:before{content:'✓';margin-right:6px;color:#a3eadb}.eng-mascot{height:285px;display:flex;align-items:center;gap:12px;margin-right:10px}.eng-mascot img{width:190px;filter:drop-shadow(0 15px 20px #0003)}.eng-mascot p{font-size:16px;line-height:1.6;color:#bfe1e9}.eng-mascot b{color:#a3eadb}.eng-workspace{display:grid;grid-template-columns:265px 1fr;gap:28px;margin:32px 0 45px}.eng-workspace aside{padding:8px 0}.search-label{font-size:11px;display:block;margin-bottom:9px;color:#66838b}input[type=search]{width:100%;padding:13px 14px;border:1px solid #d3e3e1;border-radius:8px;background:#fff;font-size:12px}#tool-list{display:grid;gap:7px;margin-top:18px}#tool-list button{background:transparent;border:1px solid transparent;border-radius:9px;padding:15px 13px;text-align:left;color:#456c78;display:flex;gap:13px;align-items:center}#tool-list button span{font-size:10px;color:#82a1a8}#tool-list button b{font-size:13px;font-weight:500}#tool-list button[aria-pressed=true]{background:#e0f4ee;border-color:#bfe4da;color:#075567}#tool-list button[aria-pressed=true] b{font-weight:700}#tool-list button:hover{background:#eaf2f0}.side-note{font-size:11px;line-height:1.8;color:#789098;margin:22px 12px}.eng-calculator{background:#fff;border:1px solid #dce9e5;border-radius:16px;padding:32px 38px;box-shadow:0 12px 35px #113f5005}.calc-heading{display:flex;justify-content:space-between;align-items:center}#tool-count{font-size:10px;color:#8ba6ac}.eng-calculator h2{font-size:29px;letter-spacing:-.6px;margin:14px 0 9px}#tool-description{color:#6c8993;font-size:13px;line-height:1.7;margin:0 0 27px}.eng-fields{display:grid;grid-template-columns:1fr 1fr;gap:20px}.eng-fields label{display:block;font-size:12px;color:#456875}.input-unit{position:relative;margin-top:9px}.eng-fields input{width:100%;padding:14px 75px 14px 15px;border-radius:8px;border:1px solid #d2e4e0;color:#123f50;background:#fbfdfc;font-size:17px}.input-unit>span{position:absolute;right:14px;top:17px;color:#7a9a9e;font-size:11px;pointer-events:none}.calc-actions{display:flex;gap:20px;align-items:center;margin-top:25px}.calc-actions button{border:0;background:none;color:#6e8c94;font-size:11px}.calc-actions .primary{background:#087b8d;color:#fff;padding:15px 25px;border-radius:7px;min-width:145px;display:flex;justify-content:space-between;font-size:13px;box-shadow:0 6px 18px #087b8d20}.primary:hover{background:#066475}.error{font-size:12px;color:#b63835;line-height:1.6}.eng-notice{font-size:11px;line-height:1.7;color:#81969c;border-top:1px solid #eaf1ef;padding-top:20px;margin:25px 0 0}#eng-result{margin-top:30px;border-top:1px solid #dfece8;padding-top:20px}.result-heading{display:flex;align-items:center;justify-content:space-between}.result-heading h3{font-size:17px;margin:0 0 18px}.result-heading span{font-size:9px;color:#8da7ad}.result-values{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.metric{background:#eff8f4;border:1px solid #daeee4;border-radius:9px;padding:17px 15px}.metric small{display:block;font-size:10px;line-height:1.5;color:#628a87}.metric strong{display:block;font-size:27px;line-height:1.6;letter-spacing:-.8px;overflow-wrap:anywhere}.metric span{font-size:10px;color:#789a96}.formula{margin-top:20px;padding:14px 16px;background:#f4f7fa;border-radius:7px}.formula span{font-size:8px;letter-spacing:1.5px;display:block;color:#688e9c;margin-bottom:7px}.formula code{font-size:12px;line-height:1.7;color:#35657c;white-space:normal}#assumptions{font-size:11px;line-height:1.8;color:#738e96}.report-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.report-actions button,.comparison button{font-size:10px;color:#447583;background:#fff;border:1px solid #d3e6e0;border-radius:5px;padding:10px 13px}#flow-balance{margin-top:18px;font-size:10px;color:#68928e}#flow-balance>div{display:flex;overflow:hidden;border-radius:5px;height:12px;margin-bottom:8px}#flow-balance i{display:block;background:#16a49c}#flow-balance i+ i{background:#a6c4d0}.comparison{margin-bottom:45px}.comparison h2{font-size:27px;letter-spacing:-.7px}.comparison>div:first-child{position:relative}.comparison>div:first-child button{position:absolute;right:0;bottom:0}#comparison-status{font-size:11px;color:#6e9299}#comparison-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.scenario{padding:24px;background:white;border:1px solid #d8e8e2;border-radius:12px}.scenario h3{font-size:16px;margin:8px 0 20px}.scenario small{font-size:9px;color:#8ca3a8}.scenario dl{font-size:11px;line-height:1.6}.scenario dt{color:#6f8e95;margin-top:10px}.scenario dd{margin:0;font-weight:700}.scenario details{font-size:10px;line-height:1.8;color:#78989d;margin:20px 0}.scenario summary{cursor:pointer}.eng-next{border-top:1px solid #dae8e1;padding:35px 0;display:flex;justify-content:space-between;align-items:center;gap:20px}.eng-next h2{font-size:25px;letter-spacing:-.7px;margin:12px 0}.eng-next p:not(.eyebrow){font-size:12px;color:#739098;line-height:1.8}.eng-next>div+div{display:flex;gap:12px}.eng-next a{font-size:11px;padding:13px;border:1px solid #bdded4;border-radius:6px;text-decoration:none;color:#087b8d;white-space:nowrap}footer{padding:25px 0 35px;border-top:1px solid #dae8e1;display:flex;align-items:center;justify-content:space-between;gap:20px;color:#76929b;font-size:10px}footer>span{letter-spacing:1px}footer a{font-size:9px}
@media(max-width:950px){.eng-intro{padding:40px}.eng-mascot p{display:none}.eng-mascot{margin:0}.eng-workspace{grid-template-columns:210px 1fr;gap:20px}.eng-calculator{padding:25px}.result-values{grid-template-columns:1fr 1fr}.eng-next{align-items:flex-start;flex-direction:column}}
@media(max-width:600px){main{padding:0 16px}.eng-header{padding:22px 18px}.eng-brand{font-size:12px}.eng-header nav{gap:15px;font-size:10px}.eng-header nav a:first-child{display:none}.eng-intro{padding:28px 25px;min-height:350px;border-radius:14px}.eng-intro h1{font-size:37px;letter-spacing:-1.5px}.eng-intro>div>p:not(.eyebrow){font-size:12px;max-width:220px}.eng-intro br{display:none}.eng-intro h1 br{display:block}.intro-tags{display:grid;gap:8px;font-size:9px}.eng-mascot{position:absolute;right:-23px;bottom:-10px;height:auto;opacity:.75;pointer-events:none}.eng-mascot img{width:135px}.eng-intro>div:first-child{position:relative;z-index:1}.eng-workspace{display:block;margin-top:20px}.eng-workspace aside{margin-bottom:20px}.search-label,.side-note{display:none}#tool-list{display:flex;overflow-x:auto;gap:5px;margin-top:12px;padding-bottom:10px}#tool-list button{flex-shrink:0;padding:11px 12px;border-color:#dbe7e2;gap:7px;background:white}#tool-list button b{font-size:11px}.eng-calculator{padding:22px 18px;border-radius:12px}.eng-calculator h2{font-size:25px}#tool-description{font-size:12px}.eng-fields{gap:16px;grid-template-columns:1fr}.eng-fields label{font-size:11px}.calc-actions{gap:14px}.calc-actions .primary{min-width:135px}.calc-actions button{font-size:10px}.metric{padding:13px}.metric strong{font-size:24px}.result-values{grid-template-columns:1fr 1fr}.result-heading h3{font-size:15px}.comparison h2{font-size:23px}.comparison>div:first-child button{position:static;margin-bottom:10px}#comparison-cards{grid-template-columns:1fr}.eng-next h2{font-size:23px}.eng-next>div+div{flex-wrap:wrap}footer{flex-direction:column;align-items:flex-start;gap:5px}.eng-notice{font-size:10px}}
@media print{body{background:white}.eng-header nav,.eng-workspace aside,.eng-intro,.eng-next,footer,.calc-actions,.report-actions,#tool-search,.comparison button,.scenario button,.eng-header nav{display:none!important}.eng-header{padding:10px}.eng-workspace{display:block;margin:0}.eng-calculator{padding:20px;border:0;box-shadow:none}.eng-fields{grid-template-columns:1fr 1fr}.eng-fields input{border:0;padding:7px 0}.input-unit>span{top:10px}.metric{break-inside:avoid;print-color-adjust:exact}.eng-notice{color:#444}.comparison{break-before:page}#comparison-cards{grid-template-columns:1fr}.scenario{break-inside:avoid}.eng-result{display:block}.eng-workspace,main{max-width:none;padding:0}.formula{print-color-adjust:exact}}