:root{color:#17212b;font-synthesis:none;text-rendering:optimizelegibility;background:#eef7f5;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:radial-gradient(circle at 15% 20%,#4dc0b542,#0000 34rem),radial-gradient(circle at 90% 0,#ffba6333,#0000 30rem),linear-gradient(135deg,#f7fbf8 0%,#e8f3f6 46%,#f3f0e8 100%);min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number]{appearance:textfield}.number-input-shell{align-self:center;width:100%;min-width:0;position:relative}.number-input-shell input[type=number]{padding-inline-end:2.35rem}.number-input-steppers{pointer-events:none;z-index:2;grid-template-rows:1fr 1fr;gap:0;width:1.65rem;display:grid;position:absolute;inset-block:1px;inset-inline-end:1px}.number-input-step{pointer-events:auto;color:#103846;cursor:pointer;touch-action:manipulation;background:#e3f1edf0;border:none;border-radius:0;place-items:center;margin:0;padding:0;font-size:.72rem;font-weight:900;line-height:1;display:grid}.number-input-step-up{border-bottom:1px solid #2b576524;border-radius:0 7px 0 0}.number-input-step-down{border-radius:0 0 7px}.number-input-step:hover:not(:disabled){background:#1f9c9338}.number-input-step:active:not(:disabled){background:#1f9c9359}.number-input-step:disabled{opacity:.45;cursor:not-allowed}.price-row>.number-input-shell,.water-price-row>.number-input-shell{grid-column:3;min-width:0}.volume-setup-inline>.number-input-shell{grid-column:1;min-width:0}.price-row input[type=number],.water-price-row input[type=number],.volume-setup-inline input[type=number]{grid-column:unset}button{cursor:pointer}.app-shell{flex-direction:column;min-height:100vh;display:flex}.site-footer{color:#17212b61;letter-spacing:.02em;flex-shrink:0;width:100%;margin-top:0;padding:0;font-size:.68rem;font-weight:600}.site-footer-inner{text-align:center;box-sizing:border-box;max-width:118rem;margin-inline:auto;padding:.55rem 1rem .75rem}.site-footer a{color:inherit;text-underline-offset:2px;-webkit-text-decoration:underline #17212b47;text-decoration:underline #17212b47}.site-footer a:hover{color:#17212b94;text-decoration-color:#17212b66}.hero-band{color:#f8fffc;background:linear-gradient(120deg,#0a4d68f0,#1a7b74e6),#0a4d68;grid-template-columns:minmax(0,1fr) minmax(21rem,31rem);gap:1.615rem;padding:clamp(1.01rem,2.42vw,2.42rem);display:grid;position:relative;overflow:hidden}.hero-band:after{content:"";opacity:.32;background:repeating-radial-gradient(at 50% 120%,#fff3 0 .18rem,#0000 .2rem 1.3rem);height:5.65rem;position:absolute;inset:auto 0 0}.watermark{opacity:.26;pointer-events:none;position:absolute;inset:0}.watermark span{border:1px solid #ffffff38;border-radius:48% 52% 46% 54%;width:42rem;height:42rem;display:block;position:absolute}.watermark span:first-child{top:-26rem;right:-4rem}.watermark span:nth-child(2){bottom:-28rem;left:7rem;transform:rotate(34deg)}.watermark span:nth-child(3){width:22rem;height:22rem;top:-12rem;left:38%;transform:rotate(68deg)}.hero-content,.hero-metrics{z-index:1;position:relative}.hero-content{max-width:52rem}.eyebrow,.section-kicker{color:#8bded1;letter-spacing:0;text-transform:uppercase;font-size:.72rem;font-weight:800}h1,h2,h3,p{margin:0}h1{letter-spacing:0;margin-top:.285rem;font-size:4.8rem;line-height:.9}.hero-content p{color:#f8fffcd6;max-width:46rem;margin-top:.888rem;font-size:.985rem;line-height:1.65}.hero-metrics{grid-template-columns:repeat(3,minmax(0,1fr));align-self:end;gap:.565rem;display:grid}.hero-metrics div{background:#ffffff2e;border:1px solid #ffffff38;border-radius:8px;flex-direction:column;justify-content:space-between;min-width:0;padding:.808rem;display:flex}.hero-metrics span,.projection-grid span{color:#f8fffcb8;font-size:.78rem;font-weight:700;display:block}.projection-grid span{overflow-wrap:break-word;min-width:0;line-height:1.18}.hero-metrics strong{flex-shrink:0;margin-top:0;font-size:1.45rem;display:block}.workspace{flex-direction:column;flex:auto;width:100%;min-width:0;max-width:100%;min-height:0;padding:1rem;display:flex}.workspace-shell{flex-direction:row;flex:auto;align-items:stretch;gap:1rem;width:100%;min-width:0;max-width:118rem;min-height:0;margin-inline:auto;display:flex;position:relative}.workspace-col{flex-direction:column;gap:1rem;min-width:0;min-height:0;display:flex}.workspace-col--left{flex:0 0 22.25rem;width:22.25rem;min-width:22.25rem;max-width:22.25rem}.workspace-col--right{flex:0 0 28rem;width:28rem;min-width:28rem;max-width:28rem}.workspace-col-spacer{flex:auto;min-height:0}.center-stack{flex:auto;gap:1rem;min-width:0;min-height:0;display:grid}.panel{background:#ffffffeb;border:1px solid #2a515d1f;border-radius:8px;min-width:0;box-shadow:0 24px 60px #143c481a}.panel-heading{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding:1.1rem 1.1rem .65rem;display:flex}.panel-heading h2{letter-spacing:0;margin-top:.1rem;font-size:1.25rem}.affiliate-disclosure{color:#60757b;flex-basis:100%;max-width:20rem;margin:-.55rem 0 0;font-size:.72rem;font-weight:700;line-height:1.35}.icon-button,.ghost-button,.seg-button{color:#103846;background:#e4f5f1;border:0;border-radius:8px;min-height:2.35rem;font-weight:800}.icon-button{width:2.35rem;font-size:1.1rem}.ghost-button,.seg-button{padding:0 .85rem}.seg-button{background:#f3f7f3}.field{gap:.35rem;padding:.8rem;display:grid;position:relative}.field span,.reading-tile span,.target-row span,.tap-row span{color:#4b6870;font-size:.78rem;font-weight:800}.field input,.field select,.reading-tile input,.target-row input{color:#122b33;text-align:left;background:#ffffffd1;border:1px solid #2b576524;border-radius:8px;outline:none;width:100%;min-width:0;padding:.75rem .8rem}.field input:disabled{color:#87989d;background:#e9f1efb8}.reading-tile input:disabled{color:#87989d}.checkbox-field input{accent-color:#128f86;width:1.35rem;height:1.35rem}.field input:focus,.field select:focus,.reading-tile input:focus,.target-row input:focus{border-color:#1f9c93;box-shadow:0 0 0 3px #1f9c9326}.field em{color:#6d858c;font-size:.74rem;font-style:normal;font-weight:700}.volume-panel .field input[type=number]{font-size:.95rem;font-weight:700}.sanitization-select{appearance:auto;color:#122b33;background:#ffffffd1;border:1px solid #2b576524;border-radius:8px;outline:none;width:100%;min-width:0;padding:.75rem .8rem;font-size:.95rem;font-weight:700}.sanitization-select:focus{border-color:#1f9c93;box-shadow:0 0 0 3px #1f9c9326}.field-hint{color:#6d858c;margin:0;font-size:.72rem;font-weight:600;line-height:1.45}.temperature-unit-field{gap:.45rem;padding:0 .35rem .85rem;display:grid}.temperature-unit-heading{color:#4b6870;font-size:.78rem;font-weight:800}.temperature-unit-options{flex-wrap:wrap;gap:.65rem 1.25rem;display:flex}.unit-option{cursor:pointer;color:#122b33;align-items:center;gap:.35rem;font-size:.82rem;font-weight:700;display:inline-flex}.unit-option input{accent-color:#128f86;width:1rem;height:1rem;margin:0}.price-list,.setup-list{padding:0 .35rem .55rem;display:grid}.tap-list{min-width:0;padding:0 .35rem .55rem;display:grid}.panel-fill-tap .tap-list .field.tap-row{align-items:center;column-gap:.5rem}.panel-fill-tap .tap-row input[type=number]{padding-block:.52rem}.setup-list>.temperature-unit-field{padding:0 .8rem .85rem}.target-list{grid-template-columns:minmax(0,1fr) 6.35rem max-content 6.35rem;gap:.45rem .2rem;min-width:0;padding:.35rem .75rem .55rem;display:grid}.panel-targets .target-row input[type=number],.panel-targets .target-temperature-inline input[type=number]{font-variant-numeric:tabular-nums}.volume-setup-inline{grid-template-columns:minmax(0,1fr) minmax(4.25rem,max-content);align-items:center;column-gap:.35rem;min-width:0;display:grid}.volume-setup-inline>.number-input-shell{font-variant-numeric:tabular-nums}.volume-setup-inline .price-unit-select{grid-column:2}.price-row,.water-price-row{grid-template-columns:minmax(0,1fr) 1rem minmax(4.25rem,6rem) 5.4rem 2.1rem;align-items:center;column-gap:.5rem}.water-price-row .price-unit-select{grid-column:4}.water-price-row .availability-toggle{grid-column:2}.tap-row{grid-template-columns:minmax(0,1fr) minmax(4.25rem,6rem) 2.75rem;align-items:center}.tap-row>.number-input-shell{grid-column:2;min-width:0}.tap-row em{grid-column:3;justify-self:start}.price-unit-select{box-sizing:border-box;color:#122b33;background:#ffffffd1;border:1px solid #2b576524;border-radius:6px;outline:none;grid-column:4;justify-self:stretch;width:100%;min-width:0;padding:.35rem .22rem;font-size:.65rem;font-weight:800;line-height:1.2}.price-unit-select:focus{border-color:#1f9c93;box-shadow:0 0 0 3px #1f9c9326}.availability-toggle{color:#60757b;grid-column:2;justify-self:end;align-items:center;gap:.35rem;font-size:.72rem;font-weight:800;display:flex}.availability-toggle input{accent-color:#128f86;width:1rem;height:1rem}.price-row.disabled,.water-price-row.disabled{opacity:.6}.amazon-cart-link,.amazon-cart-spacer{grid-column:5;justify-content:center;justify-self:end;align-items:center;width:2.1rem;height:2.1rem;display:inline-flex}.amazon-cart-link{color:#103846;background:#fff8ec;border:1px solid #2b576524;border-radius:6px;transition:border-color .16s,box-shadow .16s,transform .16s}.amazon-cart-link:hover,.amazon-cart-link:focus-visible{border-color:#ed97228c;outline:none;transform:translateY(-1px);box-shadow:0 0 0 3px #ed972229}.amazon-cart-link svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2px;width:1.1rem;height:1.1rem}.readings-panel{background:linear-gradient(135deg,#ffffffe6,#f0f9f6d6),#fff}.reading-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,11rem),1fr));gap:.4rem;padding:.2rem .85rem .65rem;display:grid}.reading-tile{background:linear-gradient(#ffffffeb,#edf7f6e0),#fff;border:1px solid #155d671f;border-radius:8px;grid-template-rows:auto minmax(2rem,2rem) auto;align-content:start;gap:.2rem;min-width:0;padding:.5rem .5rem .52rem;display:grid}.reading-tile-unit-row{justify-content:space-between;align-items:center;gap:.35rem;min-width:0;display:flex}.reading-tile-unit-row em{min-width:0;margin:0}.reading-tile>span{overflow-wrap:break-word;min-width:0;line-height:1.25}.reading-tile input{background:0 0;border:0;max-width:100%;padding:0;font-size:1.32rem;font-weight:900}.reading-tile .number-input-shell{grid-row:2;align-self:stretch;height:100%;min-height:0}.reading-tile .number-input-shell input[type=number]{box-sizing:border-box;height:100%;min-height:0;padding-inline-end:2.05rem;line-height:1}.reading-tile em{color:#71858a;font-size:.74rem;font-style:normal;font-weight:800}.current-calculated{grid-template-columns:repeat(auto-fit,minmax(min(100%,15.5rem),1fr));gap:.65rem;padding:0 1.1rem 1.1rem;display:grid}.current-calculated-tile{min-width:0;box-shadow:none;background:linear-gradient(#e8f4f1f2,#dcece8e0),#ffffff8c;border:1px dashed #155d6761;border-radius:8px;gap:.28rem;padding:.65rem .75rem .72rem;display:grid}.reading-calculated-badge{color:#0d5c56;letter-spacing:.06em;text-transform:uppercase;background:#128f861f;border-radius:4px;width:fit-content;max-width:100%;padding:.12rem .38rem;font-size:.58rem;font-weight:900;line-height:1.2;display:block}.current-calculated-label{overflow-wrap:break-word;color:#4b6870;min-width:0;font-size:.78rem;font-weight:800;line-height:1.28;display:block}.current-calculated-value{font-variant-numeric:tabular-nums;color:#2a4a52;margin-top:.05rem;font-size:1.12rem;font-weight:800;line-height:1.2;display:block}.tile-toggle{background:#ffffffdb;border:1px solid #2b57651f;border-radius:999px;flex-shrink:0;align-items:center;gap:.2rem;padding:.12rem .28rem;display:inline-flex}.tile-toggle input{accent-color:#128f86;width:.85rem;height:.85rem;padding:0}.tile-toggle b{color:#375862;font-size:.62rem;line-height:1}.plan-panel{overflow:hidden}.status-pill{border-radius:999px;padding:.5rem .7rem;font-size:.78rem;font-weight:900}.status-pill.good{color:#07594d;background:#d9f6e8}.status-pill.warn{color:#7a3712;background:#ffead7}.no-action-needed{color:#31525c;margin:0;padding:.4rem 1.1rem 1.1rem;font-size:.92rem;font-weight:750;line-height:1.45}.timeline{gap:0;margin:0;padding:.4rem 1.1rem 1.1rem;list-style:none;display:grid}.timeline li{grid-template-columns:2.4rem minmax(0,1fr);gap:.8rem;padding:.75rem 0;display:grid}.step-index{color:#fff;background:#0d6d77;border-radius:8px;place-items:center;width:2.2rem;height:2.2rem;font-weight:900;display:grid}.step-body{border-bottom:1px solid #274e591a;min-width:0;padding-bottom:.8rem}.step-topline{flex-wrap:wrap;justify-content:space-between;gap:.25rem 1rem;display:flex}.step-topline h3{overflow-wrap:anywhere;min-width:0;font-size:1rem}.step-topline strong{white-space:nowrap;color:#0a7168}.amount-line{color:#173943;overflow-wrap:anywhere;margin-top:.18rem;font-size:1.15rem;font-weight:900}.step-body p{color:#5c747b;overflow-wrap:anywhere;margin-top:.35rem;line-height:1.5}.chemistry-changes{flex-wrap:wrap;gap:.35rem;margin-top:.6rem;display:flex}.chemistry-changes span{color:#17434d;background:#edf8f5;border:1px solid #0d6d7724;border-radius:8px;padding:.32rem .45rem;font-size:.78rem;font-weight:800}.inline-warnings,.warnings{gap:.45rem;margin-top:.7rem;display:grid}.inline-warnings span,.warnings span{color:#71380b;background:#fff0db;border-radius:8px;padding:.55rem .65rem;font-size:.82rem;font-weight:700;display:block}.target-temperature-unit{color:#6d858c;white-space:nowrap;font-size:.74rem;font-weight:700}.target-row{grid-template-columns:subgrid;grid-column:1/-1;align-items:center;min-width:0;padding:0;display:grid}.target-row>span:first-child{overflow-wrap:break-word;min-width:0}.target-temperature-inline{grid-column:2/-1;justify-self:start;align-items:center;gap:.35rem;min-width:0;display:inline-flex}.target-temperature-inline .number-input-shell{box-sizing:border-box;flex:none;width:6.35rem}.target-temperature-inline .number-input-shell input[type=number]{box-sizing:border-box;width:100%}.target-row b{color:#819197;justify-self:center;font-size:.72rem}.projection-panel{color:#f6fffb;background:linear-gradient(145deg,#0a4d68f2,#1f7168eb),#0a4d68}.projection-panel .section-kicker{color:#96efe3}.projection-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,16.5rem),1fr));gap:.4rem;padding:.25rem 1.1rem .75rem;display:grid}.projection-grid div{background:#ffffff1a;border:1px solid #ffffff29;border-radius:8px;grid-template-columns:minmax(0,1fr) 5.75rem;align-items:center;gap:.55rem;min-width:0;min-height:3.05rem;padding:.48rem .58rem;display:grid}.projection-grid strong{text-align:right;font-variant-numeric:tabular-nums;overflow-wrap:anywhere;justify-self:end;min-width:0;font-size:1.1rem;line-height:1.1;display:block}.projection-panel .warnings{padding:0 1.1rem 1.1rem}.diagnostics{background:#ffffff1a;border:1px solid #ffffff29;border-radius:8px;margin:0 1.1rem 1rem;padding:.85rem}.diagnostics span{color:#f8fffcb8;font-size:.78rem;font-weight:800;display:block}.diagnostics strong{margin-top:.25rem;display:block}.diagnostics p{color:#f8fffcb8;margin-top:.45rem;font-size:.82rem;line-height:1.45}@media (width>=1081px){.app-shell{min-height:unset}.workspace{flex:0 auto}.workspace-shell{align-items:flex-start}.site-footer-inner{text-align:right;padding:0}.workspace-shell>.site-footer{pointer-events:auto;width:auto;max-width:26.5rem;position:absolute;inset-block-end:0;inset-inline-end:0}}@media (width<=1280px){.target-list{grid-template-columns:minmax(0,1fr) max-content minmax(0,1fr);row-gap:.65rem}.target-row{grid-template-columns:subgrid;row-gap:.25rem}.target-row>span:first-child{grid-column:1/-1}.target-row>.number-input-shell{width:100%}.target-temperature-inline{grid-column:1/-1;justify-self:stretch}.price-row,.water-price-row{grid-template-columns:max-content minmax(0,1fr) 5.45rem max-content;gap:.42rem .35rem}.price-row>span,.water-price-row>span{grid-column:1/-1}.price-row>.number-input-shell,.water-price-row>.number-input-shell{grid-column:2}.price-row .price-unit-select,.water-price-row .price-unit-select{grid-column:3}.price-row .availability-toggle,.water-price-row .availability-toggle{grid-column:1;justify-self:start}.price-row .amazon-cart-link,.price-row .amazon-cart-spacer,.water-price-row .amazon-cart-spacer{grid-column:4}}@media (width<=1180px){h1{font-size:3.85rem}.hero-metrics strong,.projection-grid strong{font-size:1.3rem}.reading-tile input{font-size:1.18rem}.workspace-col--left{flex:0 0 18.75rem;width:18.75rem;min-width:18.75rem;max-width:18.75rem}.workspace-col--right{flex:0 0 23.5rem;width:23.5rem;min-width:23.5rem;max-width:23.5rem}}@media (width<=1080px){.hero-band{grid-template-columns:1fr}h1{font-size:3.2rem}.workspace-shell{flex-direction:column;display:flex}.workspace-shell>.site-footer{order:6}.workspace-col--left,.workspace-col--right{display:contents}.workspace-col-spacer{display:none}.volume-panel{order:1}.panel-targets{order:2}.panel-prices{order:3}.panel-fill-tap{order:4}.center-stack{order:5}.hero-metrics,.current-calculated{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=520px){.hero-band{padding:.85rem}h1{font-size:2.42rem}.hero-content p{font-size:.88rem}.hero-metrics strong,.projection-grid strong{font-size:1.18rem}.workspace{padding:.7rem}.hero-metrics,.reading-grid,.current-calculated,.projection-grid{grid-template-columns:1fr}.projection-grid div{grid-template-columns:minmax(0,1fr) 5.75rem}.target-temperature-inline .number-input-shell{width:6rem}}@media (width<=440px){.panel-heading{padding:.95rem .85rem .55rem}.price-list,.setup-list{padding-inline:.25rem}.target-list{padding-inline:.85rem}}