:root{--ink: #173b3d;--deep: #0d2e31;--paper: #f7f3eb;--paper-2: #efe9dd;--line: #cbd7cc;--muted: #6a7b75;--sun: #e7a25b;--clay: #c46f5d;--moss: #739c6e;--mint: #d9e9db;--radius: 18px;font-family:Manrope,ui-sans-serif,system-ui,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-width:320px;background:var(--paper)}button,input,select{font:inherit}button{color:inherit}.content-width{width:min(1180px,calc(100% - 64px));margin-inline:auto}.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px 0 22px}.wordmark{color:var(--deep);text-decoration:none;font-size:16px;font-weight:800;letter-spacing:-.04em}.wordmark-mark{color:var(--sun);font-size:23px;vertical-align:-2px;margin-right:5px}.privacy-note,.section-lede,.field small,.control-source,.assumption-row small{color:var(--muted);font-size:11px;letter-spacing:.02em}.site-nav{display:flex;align-items:center;gap:8px;margin-left:auto}.site-nav-link{color:var(--muted);text-decoration:none;font-size:14px;font-weight:700;padding:9px 13px;border-radius:999px;transition:color .2s ease,background .2s ease}.site-nav-link:hover,.site-nav-link:focus-visible,.site-nav-link.is-active{color:var(--deep);background:var(--mint)}.intro{padding:64px 0 72px;max-width:800px;margin-left:max(32px,calc((100vw - 1180px)/2))}.panel-tag,.ribbon-label,.section-number{font-family:DM Mono,monospace;text-transform:uppercase;letter-spacing:.1em;font-size:10px}h1{max-width:710px;font-size:clamp(44px,6vw,77px);line-height:.98;letter-spacing:-.075em;margin:0;color:var(--deep)}h1 em{color:var(--clay);font-style:normal}.intro-copy{max-width:530px;font-size:17px;line-height:1.65;color:#58706b;margin:26px 0 0}.planner-layout{display:block;padding-bottom:80px}.first-section-layout{display:grid;grid-template-columns:minmax(360px,.92fr) minmax(0,1.08fr);gap:84px;align-items:start}.home-column{position:sticky;top:22px}.home-column .cost-estimate-heading,.home-column .cost-footnote{align-items:flex-start;flex-direction:column}.home-column .cost-estimate-heading a,.home-column .cost-footnote a{text-align:left}.home-card{background:var(--mint);border:1px solid #c2d9ca;border-radius:28px;padding:19px 19px 15px;box-shadow:0 10px 30px #294a3510}.home-card-label{font-family:DM Mono,monospace;text-transform:uppercase;letter-spacing:.1em;font-size:10px;color:#4e726a;padding:0 4px 10px}.house-illustration{overflow:hidden;border-radius:20px;background:#f4f0e3}.home-context-switcher{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;padding:8px;background:#e7f1e4;border-bottom:1px solid #c2d9ca}.home-context-option{min-width:0;border:1px solid transparent;border-radius:12px;padding:8px 7px 7px;background:transparent;color:#4e726a;text-align:left;cursor:pointer;transition:color .2s ease,background .2s ease,border-color .2s ease}.home-context-option:hover,.home-context-option:focus-visible,.home-context-option.active{border-color:#b7cfbd;background:#fbf9f4;color:var(--deep)}.home-context-option span{display:block}.home-context-option span{overflow:hidden;font-size:10px;font-weight:800;text-overflow:ellipsis;white-space:nowrap}.house-image-frame{overflow:hidden}.house-illustration img{width:100%;height:auto;display:block}.house-image-frame img{animation:home-image-enter .28s ease both}.impact-ribbon{margin-top:15px;border:1px solid var(--line);border-radius:var(--radius);padding:17px 18px 13px;display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:center;background:#fbf9f4}.impact-ribbon strong{display:block;margin-top:5px;color:var(--deep);font-size:20px;letter-spacing:-.05em}.ribbon-divider{height:37px;width:1px;background:var(--line)}.ribbon-confidence{grid-column:1 / -1;color:var(--muted);font-size:10px;padding-top:3px;border-top:1px solid var(--line)}.privacy-note{line-height:1.55;padding:2px 8px}.site-footer{display:flex;justify-content:space-between;gap:24px;padding:28px 0 54px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}.site-footer nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:14px}.site-footer a{color:inherit;text-decoration:none}.site-footer a:hover,.site-footer a:focus-visible{color:var(--deep)}.configuration-column{min-width:0}.section-block{border-top:1px solid var(--line);padding:31px 0 42px}.first-section{padding-top:0;border-top:0}.section-heading{display:flex;align-items:baseline;gap:14px;margin-bottom:23px}.section-heading h2{font-size:29px;letter-spacing:-.055em;margin:0;color:var(--deep)}.section-number{color:var(--clay)}.section-lede{max-width:610px;line-height:1.65;margin:-8px 0 22px}.setup-intro{margin-top:-8px;margin-bottom:28px}.setup-divider{height:1px;background:var(--line);margin:34px 0 30px}.setup-subheading{display:flex;align-items:baseline;gap:12px;margin-bottom:14px}.setup-subheading h3{margin:0;color:var(--deep);font-size:20px;letter-spacing:-.045em}.setup-subheading .panel-tag{color:var(--clay)}.field-grid,.control-grid{display:grid;gap:18px}.two-up,.control-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.field{display:flex;flex-direction:column;gap:7px;min-width:0}.field-label,.roof-row label{font-size:12px;font-weight:700;color:var(--deep)}.field small{line-height:1.45}.consumption-inputs{margin-top:18px}.household-preset-buttons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.household-preset{min-width:0;border:1px solid var(--line);border-radius:9px;padding:8px 6px;background:var(--paper-2);color:var(--muted);cursor:pointer;font:9px DM Mono,monospace;text-align:left}.household-preset strong{display:block;margin-top:4px;color:var(--deep);font:700 10px Manrope,sans-serif;white-space:nowrap}.household-preset:hover,.household-preset:focus-visible,.household-preset.active{border-color:var(--clay);background:#fff3df;outline:none}.profile-note{margin-top:20px;padding:13px 14px 11px;border:1px solid var(--line);border-radius:12px;background:#fbf9f4}.profile-note-heading,.profile-note-footer{display:flex;align-items:center;gap:10px}.profile-note-heading{justify-content:space-between}.profile-note-heading>span:last-child{color:var(--muted);font-size:10px}.profile-bars{display:flex;align-items:end;gap:3px;height:47px;margin-top:11px}.profile-bars span{flex:1;min-width:2px;border-radius:3px 3px 1px 1px;background:var(--moss)}.profile-note-footer{margin-top:7px;color:var(--muted);font:9px DM Mono,monospace}.profile-note-footer span:nth-child(2){margin-left:auto}input,select{width:100%;background:transparent;border:0;border-bottom:1px solid #9db4aa;color:var(--deep);border-radius:0;outline:0;padding:8px 1px}input:focus,select:focus{border-color:var(--clay);box-shadow:0 2px 0 var(--clay)}.input-with-unit{display:flex;align-items:baseline;border-bottom:1px solid #9db4aa}.input-with-unit input{border-bottom:0}.input-with-unit span{color:var(--muted);font-size:11px;white-space:nowrap}.input-with-unit input:disabled{color:var(--muted);cursor:not-allowed;opacity:.7}.required-input{border-color:var(--clay)}.roof-row{margin-top:26px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px}.roof-row div{display:flex;gap:8px;align-items:center}.roof-row output{color:var(--clay);font:11px DM Mono,monospace}.roof-row input[type=range]{accent-color:var(--clay);padding:0}.compact-select{display:flex;gap:7px;align-items:center}.compact-select select{width:auto;padding:5px 18px 5px 2px}.component-picker{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.component-button{min-width:0;border:1px solid var(--line);background:transparent;border-radius:13px;padding:13px 11px;display:flex;align-items:center;gap:10px;text-align:left;cursor:pointer;transition:background .2s ease,border-color .2s ease,transform .2s ease}.component-button:hover,.component-button:focus-visible{border-color:var(--clay);transform:translateY(-2px);outline:none}.component-button.active{background:var(--deep);color:#fff;border-color:var(--deep)}.component-icon{width:29px;height:29px;border-radius:50%;display:grid;place-items:center;background:var(--paper-2);color:var(--clay);font-size:20px;flex:0 0 auto}.active .component-icon{background:#315d5b;color:#f7cc91}.component-copy{display:flex;min-width:0;flex-direction:column;gap:3px}.component-copy strong{font-size:12px;white-space:nowrap}.component-copy small{color:#7c9088;font-size:9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.active .component-copy small{color:#b7cebf}.component-toggle{margin-left:auto;color:var(--clay);font-size:20px}.component-stack{display:grid;gap:13px;margin-top:14px}.cost-estimate{margin-top:19px;border:1px solid #c6d8c9;border-radius:16px;padding:18px 18px 14px;background:#f0f5e9}.cost-estimate-heading{display:flex;align-items:start;justify-content:space-between;gap:18px}.cost-estimate-heading h3{margin:5px 0 0;color:var(--deep);font-size:18px;letter-spacing:-.045em}.cost-estimate-heading a,.cost-footnote a{color:var(--clay);font-size:10px;line-height:1.4;text-decoration:none;text-align:right}.cost-estimate-intro{max-width:620px;margin:12px 0 15px;color:#5f766d;font-size:11px;line-height:1.55}.cost-rows{border-top:1px solid #c6d8c9}.cost-row{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:baseline;padding:11px 0;border-bottom:1px solid #d7e3d6}.cost-row strong{display:block;color:var(--deep);font-size:12px}.cost-row small{display:block;margin-top:4px;color:var(--muted);font-size:10px;line-height:1.4}.cost-row>span{color:var(--deep);font-size:12px;font-weight:700;text-align:right;white-space:nowrap}.cost-row.emphasized>span{color:var(--clay)}.cost-total{display:flex;justify-content:space-between;gap:18px;padding:14px 0 4px;color:#5f766d;font-size:11px}.cost-total strong{color:var(--deep);font-size:18px;letter-spacing:-.04em}.cost-footnote{display:flex;justify-content:space-between;gap:14px;margin-top:11px;color:var(--muted);font-size:9px;line-height:1.45}.acquisition-control{display:grid;gap:8px;margin:-3px 0 19px}.acquisition-control>small{color:var(--muted);font-size:10px;line-height:1.45}.acquisition-toggle{display:inline-flex;width:fit-content;max-width:100%;padding:3px;border:1px solid var(--line);border-radius:99px;background:var(--paper-2)}.acquisition-toggle button{border:0;border-radius:99px;background:transparent;color:var(--muted);cursor:pointer;font:10px DM Mono,monospace;padding:7px 11px}.acquisition-toggle button:hover,.acquisition-toggle button:focus-visible{color:var(--deep);outline:none}.acquisition-toggle button.active{background:var(--deep);color:#fff}.component-panel{border:1px solid var(--line);border-left:4px solid var(--moss);background:#fbf9f4;border-radius:14px;padding:18px 18px 19px}.tone-sun{border-left-color:var(--sun)}.tone-clay{border-left-color:var(--clay)}.tone-moss{border-left-color:var(--moss)}.panel-heading{display:flex;justify-content:space-between;align-items:start;gap:20px;margin-bottom:19px}.panel-heading h3{margin:4px 0 0;font-size:17px;letter-spacing:-.04em}.panel-tag{color:var(--muted)}.remove-button{border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:11px;padding:4px 0}.remove-button:hover{color:var(--clay)}.remove-button span{font-size:19px;vertical-align:-2px;margin-left:3px}.preset-row{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-bottom:20px}.preset{background:var(--paper-2);border:1px solid transparent;border-radius:9px;padding:9px;text-align:left;color:var(--muted);cursor:pointer;font:9px DM Mono,monospace;text-transform:uppercase;letter-spacing:.04em}.preset strong{display:block;color:var(--deep);font:700 12px Manrope,sans-serif;margin-top:4px;text-transform:none;letter-spacing:-.03em}.preset:hover,.preset.active{border-color:var(--sun);background:#fff3df}.control-source{margin:18px 0 0;line-height:1.55}.narrative{border-left:3px solid var(--clay);padding:1px 0 1px 18px}.narrative-lede{font-size:19px;line-height:1.48;letter-spacing:-.03em;margin:0;color:var(--deep)}.narrative-details{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.narrative-details>span{border-radius:99px;background:var(--mint);color:#477269;padding:6px 9px;font:10px DM Mono,monospace}.narrative-details>span.negative{background:#f4dfd5;color:#a84f47}.metric-info{position:relative;display:inline-flex;vertical-align:-2px}.metric-info-trigger{display:inline-grid;width:14px;height:14px;padding:0;place-items:center;border:1px solid currentColor;border-radius:50%;background:transparent;color:inherit;cursor:help;font:700 9px/1 DM Mono,monospace}.metric-info-tooltip{position:absolute;z-index:5;bottom:calc(100% + 8px);left:50%;width:min(250px,calc(100vw - 32px));padding:9px 10px;border-radius:8px;background:var(--deep);color:var(--paper);font:11px/1.45 system-ui,sans-serif;letter-spacing:0;opacity:0;pointer-events:none;text-align:left;transform:translate(-50%,4px);transition:opacity .15s ease,transform .15s ease,visibility .15s ease;visibility:hidden}.metric-info:hover .metric-info-tooltip,.metric-info:focus-within .metric-info-tooltip{opacity:1;pointer-events:auto;transform:translate(-50%);visibility:visible}.payback-card{margin-top:25px;padding:20px 20px 14px;border:1px solid #c6d8c9;border-radius:16px;background:#f0f5e9}.payback-heading{display:flex;align-items:start;justify-content:space-between;gap:20px}.payback-heading h3{margin:5px 0 0;color:var(--deep);font-size:18px;letter-spacing:-.045em}.payback-result{flex:0 0 auto;text-align:right}.payback-result span{display:block;color:var(--muted);font:9px DM Mono,monospace;text-transform:uppercase;letter-spacing:.08em}.payback-result strong{display:block;margin-top:5px;color:var(--clay);font-size:20px;letter-spacing:-.05em}.payback-copy{max-width:520px;margin:12px 0 3px;color:#5f766d;font-size:11px;line-height:1.55}.payback-chart-wrap{margin:10px -4px 0;overflow:hidden}.payback-chart-wrap svg{display:block;width:100%;height:auto;min-height:220px}.chart-axis-label{fill:#71877d;font:10px DM Mono,monospace}.chart-payback-label{fill:#527b62;font:10px DM Mono,monospace}.payback-legend{display:flex;align-items:center;flex-wrap:wrap;gap:8px 16px;padding-top:7px;color:var(--muted);font:9px DM Mono,monospace}.payback-legend span{display:inline-flex;align-items:center;gap:6px}.legend-bar,.legend-zero{display:inline-block;width:9px;height:12px;border-radius:2px;background:var(--clay)}.legend-bar.positive{background:#739c6e}.legend-zero{width:18px;height:1px;border-radius:0;background:#8ca59a;border-top:1px dashed #8ca59a}.legend-note{color:#527b62}.loading-panel,.error-panel{padding:24px;background:var(--paper-2);border-radius:12px;color:var(--muted);font-size:13px;display:flex;gap:10px;align-items:center}.error-panel{flex-direction:column;align-items:flex-start;background:#f6e2da;color:#915047}.error-panel strong{color:#7c3f39}.loader-dot{width:8px;height:8px;background:var(--clay);border-radius:50%;animation:pulse 1.2s infinite ease-in-out}.warning-item{display:flex;gap:13px;align-items:flex-start;padding:15px;border-radius:12px}.warning-item p{margin:4px 0 0;color:var(--muted);font-size:11px;line-height:1.5}.warning-list{display:grid;gap:8px;margin-top:24px}.warning-item{background:#f6e9db;color:var(--clay)}.warning-item p{color:#755f50}.warning-item>span{font-size:19px}.assumptions-section{padding:0}.assumptions-toggle{width:100%;border:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:transparent;display:flex;justify-content:space-between;align-items:center;padding:25px 0;font-size:18px;letter-spacing:-.03em;cursor:pointer;text-align:left}.assumptions-toggle>span:first-child{display:flex;align-items:baseline;gap:14px}.toggle-symbol{font-size:27px;color:var(--clay);font-weight:300}.assumptions-detail{padding:24px 0 0}.assumption-table{border-top:1px solid var(--line)}.assumption-row{display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:12px;padding:11px 0;border-bottom:1px solid #e0e2d8;align-items:baseline}.assumption-row span,.assumption-row strong{font-size:11px}.assumption-row small{font-size:9px;line-height:1.3}.method-details{margin-top:23px;color:var(--muted);font-size:11px}.method-details summary{cursor:pointer;color:var(--deep);font-weight:700}.method-details ul{padding-left:18px;line-height:1.7}.flow-table-wrap{overflow-x:auto;margin-top:18px}.flow-table-wrap table{border-collapse:collapse;width:100%;min-width:480px;text-align:left;font-size:10px}.flow-table-wrap caption{text-align:left;padding-bottom:8px;color:var(--deep);font-weight:700}.flow-table-wrap th,.flow-table-wrap td{padding:8px;border-bottom:1px solid var(--line)}.flow-table-wrap th{color:var(--muted);font:9px DM Mono,monospace;text-transform:uppercase}@keyframes pulse{0%,to{opacity:.35;transform:scale(.8)}50%{opacity:1;transform:scale(1)}}@keyframes home-image-enter{0%{opacity:0;transform:scale(1.012)}to{opacity:1;transform:scale(1)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.001ms!important}}@media(max-width:900px){.first-section-layout{grid-template-columns:1fr;gap:38px}.home-column{position:static}.home-card,.impact-ribbon,.privacy-note,.configuration-column{max-width:620px;margin-inline:auto}.intro{margin-left:auto;padding-top:54px;padding-bottom:56px}}@media(max-width:600px){.content-width{width:min(100% - 32px,540px)}.site-header{padding-top:18px}.intro{padding-top:47px;padding-bottom:46px}.intro-copy{font-size:15px}.planner-layout{padding-bottom:42px}.home-card{border-radius:22px;padding:13px 13px 11px}.section-block{padding:27px 0 35px}.section-heading h2{font-size:25px}.setup-subheading{align-items:flex-start;flex-direction:column;gap:4px}.payback-card{padding-inline:13px}.cost-estimate-heading,.cost-footnote{align-items:flex-start;flex-direction:column}.cost-estimate-heading a,.cost-footnote a{text-align:left}.payback-heading{flex-direction:column;gap:12px}.payback-result{text-align:left}.payback-chart-wrap svg{min-width:620px}.payback-chart-wrap{overflow-x:auto;margin-inline:-7px}.two-up,.control-grid{grid-template-columns:1fr;gap:16px}.roof-row{grid-template-columns:auto 1fr}.compact-select{grid-column:1 / -1;justify-content:space-between}.component-picker{grid-template-columns:1fr}.component-button{padding:12px}.component-copy small{white-space:normal}.preset-row{gap:5px}.preset{padding:8px 6px}.assumption-row{grid-template-columns:1fr 1fr}.assumption-row small{grid-column:2;grid-row:2}.site-footer{display:block}.site-footer nav{justify-content:flex-start;margin-top:14px}}