:root{color:#233c35;font-synthesis:none;--green:#174a40;--muted:#66776f;--line:#d9ded4;background:#f4f3ed;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-weight:400}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline-offset:4px;outline:3px solid #bb6a2f}button{touch-action:manipulation}a{color:inherit}.shell{max-width:1112px;margin:auto;padding:0 40px}.site-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:31px 0;display:flex}.brand{letter-spacing:-.7px;align-items:center;font-size:20px;font-weight:650;text-decoration:none;display:flex}.brand-dot{color:#af612b}.brand-mark{width:35px;height:35px;color:var(--green);margin-right:10px;display:block}.brand-mark svg{width:100%;height:100%}.header-note{color:var(--muted);font-size:12px}.intro{padding:53px 0 32px;position:relative}.eyebrow{letter-spacing:1.7px;margin:0;font-size:10px;font-weight:650;line-height:1.7}.intro .eyebrow{color:var(--muted);align-items:center;gap:9px;display:flex}.eyebrow>span:first-child:empty{background:#b77b43;border-radius:50%;width:6px;height:6px}h1{letter-spacing:-2.5px;margin:19px 0;font-size:clamp(42px,5.4vw,60px);font-weight:450;line-height:1.08}h1 em{font-family:Georgia,serif;font-weight:400}.intro-copy{max-width:342px;color:var(--muted);margin:0;font-size:15px;line-height:1.7;position:absolute;bottom:39px;right:0}.calculator{border:1px solid #dce1d6;border-radius:20px;grid-template-columns:1fr 1fr;gap:0;display:grid;overflow:hidden;box-shadow:0 14px 40px #233c3505}.input-panel{background:#fffefa;padding:30px 34px}.panel-top{justify-content:space-between;align-items:center;margin-bottom:29px;display:flex}h2{letter-spacing:-.35px;margin:0;font-size:17px;font-weight:600}.unit-switch{background:#eeefe8;border-radius:8px;gap:2px;padding:3px;display:flex}.unit-switch button{color:#647169;background:0 0;border:0;border-radius:6px;padding:7px 12px;font-size:12px;font-weight:650}.unit-switch button[aria-pressed=true]{background:var(--green);color:#fff}.field{margin-bottom:24px}.field label{align-items:center;gap:8px;font-size:13px;font-weight:550;display:flex}.field-icon{color:#6e8678;font-size:20px;line-height:14px}.number-wrap{color:#7a857b;align-items:center;gap:4px;width:100%;font-size:19px;display:flex}.number-wrap input{color:#213f35;letter-spacing:-1.2px;outline-offset:0;background:0 0;border:0;width:100%;min-width:0;padding:10px 0 8px;font-size:37px}input[type=number]{appearance:textfield}input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.number-wrap>span{min-width:26px;margin-right:auto}.number-wrap input{flex:none;width:95px}.slider{--progress:40%;appearance:none;background:linear-gradient(to right,#466e5e 0 var(--progress),#e5e9df var(--progress) 100%);cursor:pointer;border-radius:5px;width:100%;height:4px;margin:9px 0 0;display:block}.slider::-webkit-slider-thumb{appearance:none;background:#fffefa;border:4px solid #3f6757;border-radius:50%;width:17px;height:17px;box-shadow:0 1px 4px #0002}.slider::-moz-range-thumb{background:#fffefa;border:4px solid #3f6757;border-radius:50%;width:10px;height:10px}.range-label{color:#859084;justify-content:space-between;margin-top:12px;font-size:10px;display:flex}.indoor-field{border-top:1px solid #e5e8de;justify-content:space-between;align-items:center;gap:10px;padding-top:20px;display:flex}.indoor-field label{font-size:12px;font-weight:550}.indoor-field p{color:#7b867a;margin:6px 0 0;font-size:10px;line-height:1.5}.compact{border:1px solid #dce2d6;border-radius:8px;gap:3px;width:96px;min-width:96px;padding:2px 9px;font-size:13px}.compact input{letter-spacing:-.5px;width:51px;padding:7px 0;font-size:22px}.compact span{min-width:18px}.examples{border:0;gap:8px;margin:24px 0 0;padding:0;display:flex}.examples legend{color:#7d877c;margin:0 0 9px;padding:0;font-size:10px}.examples button{text-align:left;color:#465a4d;background:0 0;border:1px solid #e0e5d9;border-radius:8px;flex:1;padding:9px 10px;font-size:10px;font-weight:600}.examples button span{color:#7e897b;margin-top:4px;font-size:10px;font-weight:400;display:block}.examples button:hover{background:#f0f3e9;border-color:#9aaf9b}.result-panel{background:var(--green);color:#f4f3dd;flex-direction:column;padding:32px 35px;display:flex;position:relative;overflow:hidden}.result-panel:before{content:"";pointer-events:none;border:1px solid #ffffff08;border-radius:50%;width:330px;height:330px;position:absolute;top:80px;right:-170px;box-shadow:0 0 0 40px #ffffff02,0 0 0 80px #ffffff02}.result-top{justify-content:space-between;align-items:start;gap:20px;display:flex}.result-top .eyebrow{color:#a8c0ac;letter-spacing:1.4px;max-width:240px;font-size:9px}.air-icon{color:#adc7b0;flex:none;width:38px;height:38px}.main-result{font-variant-numeric:tabular-nums;letter-spacing:-6px;white-space:nowrap;align-items:baseline;gap:4px;margin-top:21px;display:flex}.main-result #result-value{font-size:clamp(75px,8vw,106px);font-weight:350;line-height:1.05}.percent{letter-spacing:-2px;color:#b9cfae;font-family:Georgia,serif;font-size:40px;font-weight:400}.result-label{color:#dae4cd;letter-spacing:-.15px;margin:8px 0 0;font-size:15px}.result-verdict{color:#c4d5b6;margin:17px 0 0;font-family:Georgia,serif;font-size:18px;font-style:italic;line-height:1.4}.humidity-scale{margin-top:32px}.scale-track{background:linear-gradient(90deg,#e5b27a,#d0d8a4 40%,#91b4ad 70%,#6e9faa);border-radius:4px;height:5px;position:relative}#scale-marker{width:5px;height:13px;box-shadow:0 0 0 2px var(--green);background:#fff9e5;border-radius:3px;transition:left .2s;position:absolute;top:-4px;left:9.7%;transform:translate(-50%)}.scale-labels{color:#a8bfa9;justify-content:space-between;margin-top:9px;font-size:10px;display:flex}.result-details{border-top:1px solid #ffffff24;grid-template-columns:1fr 1fr;gap:15px;margin-top:27px;padding-top:20px;display:grid}.result-details div{flex-direction:column;gap:8px;display:flex}.result-details span{color:#a6beaa;font-size:10px}.result-details strong{letter-spacing:-.4px;font-size:19px;font-weight:450;line-height:1.3}.result-details small{font-size:12px;font-weight:400}.result-context{color:#adc2ad;max-width:315px;margin:21px 0 0;font-size:10px;line-height:1.7}.input-error{color:#a33e26;margin:13px 0 0;font-size:12px;line-height:1.5}.invalid .main-result{opacity:.5}.reality-note{background:#e9ede1;border-radius:12px;align-items:start;gap:12px;margin-top:18px;padding:22px 25px;display:flex}.reality-note svg{color:#68806b;flex:none;width:20px;height:20px;margin-top:2px}.reality-note p{color:#65765f;max-width:820px;margin:0;font-size:12px;line-height:1.8}.reality-note strong{color:#3e5949;font-weight:600}.explanation{color:#63725f;max-width:100%;margin-top:24px;font-size:12px;line-height:1.8}.explanation summary{cursor:pointer;color:#3f5948;justify-content:space-between;align-items:center;padding:8px 0;font-weight:550;list-style:none;display:flex}.explanation summary::-webkit-details-marker{display:none}.explanation summary>span{font-size:19px;font-weight:400}.explanation[open] summary>span{transform:rotate(45deg)}.explanation>div{max-width:740px;padding:3px 0 8px}.explanation a{text-underline-offset:3px}footer{border-top:1px solid var(--line);color:#88917f;justify-content:space-between;gap:15px;margin-top:34px;padding:23px 0 27px;font-size:9px;line-height:1.7;display:flex}@media (width>=1200px){.intro{padding-top:57px}}@media (width<=850px){.intro-copy{max-width:470px;margin-top:18px;position:static}.intro{padding-top:37px}.input-panel,.result-panel{padding:27px}.main-result #result-value{font-size:84px}.main-result{letter-spacing:-5px}.result-top .eyebrow{max-width:170px}}@media (width<=640px){.shell{padding:0 20px}.site-header{padding:20px 0}.header-note{display:none}.brand{font-size:18px}.brand-mark{width:30px;height:30px}.intro{padding:31px 0 25px}h1{letter-spacing:-1.8px;margin:15px 0 0;font-size:43px}.intro-copy{max-width:360px;margin-top:16px;font-size:13px;line-height:1.7}.calculator{border-radius:15px;grid-template-columns:1fr}.input-panel{padding:24px}.panel-top,.field{margin-bottom:23px}.number-wrap input{font-size:35px}.compact input{font-size:22px}.result-panel{padding:27px 25px 26px}.result-top .eyebrow{max-width:240px}.main-result{margin-top:15px}.main-result #result-value{font-size:96px}.humidity-scale{margin-top:25px}.result-details{margin-top:24px;padding-top:19px}.result-context{max-width:100%;margin-top:19px}.reality-note{gap:10px;padding:16px}.reality-note p{font-size:11px}.reality-note strong{margin-bottom:3px;display:block}.explanation{margin-top:19px;font-size:11px}footer{flex-direction:column;gap:6px;margin-top:24px;padding:21px 0;font-size:9px}.result-verdict{font-size:18px}}@media (prefers-reduced-motion:reduce){#scale-marker{transition:none}}