/* Keep the editorial headlines inside their columns at every width. */
h1{font-size:clamp(50px,5vw,78px);letter-spacing:-3.5px}
@media(max-width:1000px) and (min-width:721px){h1{font-size:clamp(43px,5vw,54px);letter-spacing:-2.5px}}
@media(max-width:720px){h1{font-size:clamp(44px,10.8vw,70px);letter-spacing:-2.5px}}
/* Touch-friendly, working product example. */
.program{transform:none}.hero{grid-template-columns:.9fr 1.2fr;gap:4%}.hero-copy h1{font-size:clamp(40px,4.5vw,70px);letter-spacing:-2.7px}.intro{max-width:460px}.toolbar{width:76px;padding:10px 6px;gap:6px}.toolbar button{width:100%;border:1px solid #dce7df;background:white;border-radius:4px;padding:7px 3px;cursor:pointer;color:#132b3a;font-size:8px;min-height:47px}.toolbar button svg{display:block;margin:0 auto 5px;height:22px;width:32px}.toolbar button[aria-pressed=true]{border-color:#32895c;background:#dff3e8;box-shadow:inset 2px 0 #32895c}.program-top button{border:0;border-radius:3px;background:#e0f3eb;padding:8px 10px;color:#132b3a;font-size:10px;cursor:pointer}.program-bottom button{min-height:32px;cursor:pointer}.program-bottom #demo-delete{border:1px solid #d6e1dd;background:white;padding:6px 10px;border-radius:3px;font-size:9px;color:#a33432}.program-bottom #demo-delete:disabled{color:#8c999d;cursor:default}.program-bottom #reset{margin-left:auto;font-size:9px}.demo-status{min-height:34px;margin:16px 0 0;color:#b7e8d6;font-size:11px;line-height:1.6}.drawing-footnote{margin-top:10px}.demo-item{cursor:grab;touch-action:none}.demo-item:active{cursor:grabbing}.demo-item.selected .symbol-selection{display:block}.symbol-selection{display:none;fill:none;stroke:#183543;stroke-width:1.5;stroke-dasharray:4 3}.category.heating{color:#f19d9d}.category.water{color:#efd259}.signup{grid-template-columns:1fr 1.15fr;align-items:start}.signup h2{font-size:48px}.signup-copy>p:not(.eyebrow){margin-top:25px}.signup-steps{list-style:none;margin:30px 0 0;padding:0}.signup-steps li{display:flex;gap:14px;padding:17px 0;border-top:1px solid #ffffff25;font-size:14px}.signup-steps b{background:#b7e8d6;color:#132b3a;width:27px;height:27px;border-radius:50%;display:grid;place-items:center;flex:none}.signup-steps small{font-size:11px;color:#b6cbd1;margin-top:6px;max-width:330px;line-height:1.6}.signup-form{background:#f7faf7;border:1px solid #d3e3db;border-radius:6px;box-shadow:8px 8px 0 #0c202a;padding:30px;color:#132b3a}.signup-form .eyebrow{margin-bottom:12px}.signup-form h3{font-size:22px;margin-bottom:25px}.signup-form label{display:block;font-size:11px;font-weight:700;margin-bottom:17px}.signup-form input:not([type=checkbox]){display:block;width:100%;min-width:0;background:white;border:1px solid #c0d0c8;border-radius:3px;padding:12px 10px;font:inherit;font-size:13px;margin-top:7px;color:#132b3a}.signup-form input:focus-visible{outline:2px solid #427e6b;outline-offset:2px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}.signup-form label>small{font-size:10px;color:#627970;line-height:1.5;margin-top:6px;font-weight:400}.subdomain-field{display:flex;align-items:center;border:1px solid #c0d0c8;background:white;border-radius:3px;margin-top:7px;padding-right:8px;flex-wrap:wrap}.subdomain-field input{border:0!important;margin-top:0!important;flex:1;min-width:90px!important;width:35%!important}.subdomain-field span{font-size:9px;color:#5c7669;padding-left:8px}.form-total{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;padding:18px 0;border-top:1px solid #d3e0da;border-bottom:1px solid #d3e0da;font-size:11px;margin:3px 0 20px}.form-total strong{font-size:23px}.form-total strong small{display:inline;font-size:9px;color:#5b7468}.form-total>span:last-child{width:100%;font-size:10px;color:#63776a}.signup-form .form-consent{display:flex;align-items:flex-start;gap:10px;font-size:10px;line-height:1.6;font-weight:400}.form-consent input{width:17px;height:17px;flex:none;accent-color:#427e6b}.signup-form button{border:0;cursor:pointer;justify-content:center}.signup-form button:disabled{opacity:.65;cursor:wait}.signup-form .form-info{font-size:10px;color:#5c7669;line-height:1.6;margin:14px 0 0}.signup-form #signup-status{font-size:12px;line-height:1.6;color:#245b47;margin:15px 0 0;overflow-wrap:anywhere}.form-honeypot{position:absolute;left:-9999px}.signup-note{font-size:12px!important}.demo-item:focus-visible{outline:none}.demo-item:focus-visible .symbol-selection{display:block;stroke:#32895c;stroke-width:3}
@media(max-width:1000px){.hero-copy h1{font-size:clamp(36px,4.5vw,48px)}.hero{gap:25px}.signup{gap:6%}.signup h2{font-size:40px}.signup-form{padding:22px}.form-grid{grid-template-columns:1fr}.subdomain-field span{padding:0 10px 10px;font-size:10px}}
@media(max-width:720px){.hero{grid-template-columns:1fr}.hero-copy h1{font-size:clamp(37px,9vw,60px);letter-spacing:-2px}.toolbar{width:63px}.toolbar button{font-size:7px;min-height:44px}.signup{grid-template-columns:1fr;gap:32px}.signup-form{padding:23px}.signup h2{font-size:42px}.form-grid{grid-template-columns:1fr 1fr}.subdomain-field span{padding:10px 5px;font-size:9px}}
@media(max-width:390px){.form-grid{grid-template-columns:1fr}.toolbar{width:55px}.program-top{font-size:8px}.program-top button{font-size:8px}}

.annual-offer{background:#e1f1e8;padding:15px;margin:0 0 20px;border-left:3px solid #427e6b}.annual-offer strong{display:block;font-size:17px}.annual-offer span{display:block;font-size:10px;line-height:1.6;margin-top:6px}.billing-choice{border:1px solid #c0d0c8;border-radius:4px;margin:0 0 18px;padding:13px}.billing-choice legend{font-size:11px;font-weight:700;padding:0 5px}.signup-form .billing-choice label{display:flex;align-items:flex-start;gap:10px;margin:10px 0;font-size:12px;cursor:pointer}.signup-form .billing-choice input{min-width:0!important;width:16px!important;min-height:16px!important;height:16px;flex:none;margin:0!important;accent-color:#427e6b}.billing-choice strong{display:block;font-size:12px}.signup-form .billing-choice small{color:#63776a;font-size:10px;line-height:1.5;margin-top:4px}

.billing-test-note{padding:12px;background:#eef6f1;border:1px solid #b7d5c8;border-radius:3px;color:#315649;font-size:12px;line-height:1.6}