:root{--ink:#173c35;--muted:#61726c;--green:#205c49;--lime:#dcf19a;--paper:#f7f8f2}*{box-sizing:border-box}body{background:var(--paper);color:var(--ink);margin:0;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.6}button,input{font:inherit}button,a,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible{outline-offset:4px;outline:3px solid #a1bf40}header,main,footer{max-width:1200px;margin:auto}header{border-bottom:1px solid #dfe5d9;justify-content:space-between;align-items:center;height:100px;padding:0 32px;display:flex}.brand{color:var(--ink);align-items:center;gap:10px;font-size:22px;font-weight:700;text-decoration:none;display:flex}.sun{color:var(--green);font-size:38px}.demo-pill{letter-spacing:1px;background:#e9eddf;border-radius:30px;padding:8px 13px;font-size:11px}.intro{grid-template-columns:1.3fr 1fr;align-items:center;gap:30px;padding:58px 32px 48px;display:grid}.eyebrow{letter-spacing:2px;color:#527759;font-size:11px;font-weight:700}h1{letter-spacing:-3px;margin:20px 0;font-size:clamp(42px,5vw,66px);line-height:1.08}h2{letter-spacing:-1px;margin:20px 0;font-size:32px;line-height:1.2}h3{margin:24px 0 8px;font-size:17px}p{color:var(--muted);margin:12px 0 24px}.intro p{max-width:460px;font-size:18px}.intro-tags{gap:24px;font-size:13px;display:flex}.solar-art{background:#e8edde;border-radius:130px 130px 24px 24px;height:260px;position:relative;overflow:hidden}.orb{background:#e2ed9b;border-radius:50%;width:110px;height:110px;position:absolute;top:25px;right:40px}.roof{background:#8d9d82;border-radius:6px;width:300px;height:165px;padding:12px;position:absolute;top:84px;left:60px;transform:skewY(-12deg);box-shadow:20px 24px #d0d8c5}.panels{grid-template-columns:repeat(4,1fr);gap:5px;height:100%;display:grid}.panels i{background:repeating-linear-gradient(90deg,#0000 0 16px,#69858a 17px 18px),repeating-linear-gradient(0deg,#254d54 0 14px,#69858a 15px 16px);border:2px solid #b5c7b9;border-radius:2px}.art-label{letter-spacing:1px;font-size:11px;position:absolute;bottom:12px;left:25px}.workspace{grid-template-columns:300px 1fr;gap:48px;padding:28px 32px 60px;display:grid}aside{padding-top:20px}aside h2{font-size:27px}aside p{font-size:14px}.journey{color:#87978c;margin:35px 0;padding:0;font-size:12px;list-style:none}.journey li{border-bottom:1px solid #dfe5d9;gap:20px;padding:13px 0;display:flex}.journey span{font-size:14px}.journey .active{color:var(--green);font-weight:700}.note{color:var(--muted);border-left:2px solid #bdce9d;margin-top:36px;padding-left:15px;font-size:12px}.card{background:#fff;border:1px solid #e1e6dc;border-radius:22px;min-height:450px;padding:40px;box-shadow:0 15px 40px #234c3610}.card h2{font-size:34px}.icon-badge{color:#6b8743;background:#f0f5dc;border-radius:16px;padding:8px 18px;font-size:30px;display:inline-block}.soft-box{background:#f4f6ef;border-radius:12px;margin:22px 0;padding:20px;font-size:14px}.soft-box h3{margin-top:0}.soft-box p{margin:0}.primary{color:#fff;background:var(--green);border:0;border-radius:10px;justify-content:space-between;align-items:center;gap:20px;padding:14px 20px;font-size:14px;font-weight:600;display:flex}.primary:hover{background:#143f31}.card>small{color:var(--muted);margin-top:14px;font-size:12px;display:block}.progress-label{letter-spacing:1px;color:var(--muted);justify-content:space-between;font-size:11px;display:flex}progress{appearance:none;border:0;width:100%;height:6px;margin:10px 0 24px}progress::-webkit-progress-bar{background:#edf1e7;border-radius:10px}progress::-webkit-progress-value{background:#7d9a48;border-radius:10px}.input-label,form label{font-size:13px;font-weight:600;display:block}.input-wrap{position:relative}.input-wrap span{color:var(--muted);position:absolute;top:17px;right:16px}input{width:100%;color:var(--ink);background:#fff;border:1px solid #cbd6c8;border-radius:10px;outline-color:#7d9a48;margin:6px 0 12px;padding:16px}.input-wrap input{padding-right:110px}.options{gap:10px;display:grid}.options button{text-align:left;color:var(--ink);background:#fff;border:1px solid #d9e2d4;border-radius:10px;justify-content:space-between;padding:16px;font-size:14px;display:flex}.options .selected{background:#eff5e6;border-color:#4c7754}.unknown,.back{color:var(--muted);background:0 0;border:0;padding:12px 0;font-size:13px;text-decoration:underline}.unknown{margin:10px 0}.actions{border-top:1px solid #edf0e9;justify-content:space-between;align-items:center;margin-top:18px;padding-top:24px;display:flex}.error,.warning{color:#865324;background:#fff2df;border-radius:8px;padding:12px;font-size:14px}.metrics{grid-template-columns:repeat(3,1fr);gap:12px;margin:28px 0;display:grid}.metrics strong{letter-spacing:-1px;font-size:30px;display:block}.metrics em{font-size:15px;font-style:normal}.metrics span{color:var(--muted);font-size:11px;display:block}.price{background:#eaf2dc;border-radius:12px;padding:22px}.price span,.price small{font-size:12px;display:block}.price strong{letter-spacing:-1px;font-size:30px;display:block}.assumptions{color:var(--muted);padding-left:20px;font-size:13px}.assumptions li{margin:10px 0}details{border-bottom:1px solid #dfe5d9;padding:18px 0}summary{cursor:pointer;font-size:14px;font-weight:600}.answer{border-top:1px solid #edf0e9;justify-content:space-between;align-items:center;padding:10px 0;font-size:13px;display:flex}.answer small{color:var(--muted);display:block}.answer button{color:var(--green);background:0 0;border:0;text-decoration:underline}.faq{border-top:1px solid #dfe5d9;grid-template-columns:1fr 1.6fr;gap:60px;margin:10px 32px 65px;padding-top:45px;display:grid}.faq p{font-size:14px}.faq h2{font-size:27px}footer{border-top:1px solid #dfe5d9;justify-content:space-between;padding:25px 32px;font-size:13px;display:flex}footer span{color:var(--muted);font-size:11px}.modal-backdrop{background:#173c3580;place-items:center;padding:20px;display:grid;position:fixed;inset:0;overflow:auto}.modal{background:#fff;border-radius:20px;max-width:520px;max-height:90vh;padding:32px;position:relative;overflow:auto}.modal h2{font-size:28px}.close{color:var(--green);background:0 0;border:0;font-size:28px;position:absolute;top:10px;right:15px}@media (max-width:760px){header{height:80px;padding:0 20px}.brand{font-size:18px}.demo-pill{text-align:center;max-width:130px;font-size:9px}.intro{grid-template-columns:1fr;padding:35px 20px}.intro h1{letter-spacing:-2px}.solar-art{display:none}.workspace{grid-template-columns:1fr;gap:16px;padding:0 16px 35px}aside{padding:0 8px}aside h2,aside>p,.journey{display:none}.note{margin:12px 0 6px;font-size:11px}.card{border-radius:16px;padding:26px 22px}.card h2{font-size:29px}.metrics{gap:8px}.metrics strong{font-size:25px}.price strong{font-size:27px}.faq{grid-template-columns:1fr;gap:0;margin:0 24px 40px;padding-top:25px}footer{flex-direction:column;gap:10px;padding:20px}.primary{font-size:13px}.intro-tags{font-size:12px}}.art-label{z-index:2;background:#e8edde;border-radius:6px;padding:3px 10px}.roof{height:150px;top:65px}.check-label{align-items:flex-start;gap:10px;font-size:14px;display:flex}.check-label input{flex-shrink:0;width:20px;height:20px;margin:3px 0}.result-heading{outline:none;scroll-margin-top:24px}.result-disclaimer{background:#f1f4e9;border-radius:8px;padding:10px 12px;font-size:12px}.card .result-heading{font-size:30px}.result-disclaimer+.metrics{margin:18px 0}.price+.warning{margin:14px 0}.card>details{margin-top:12px}@media (max-width:760px){.card .result-heading{font-size:26px}.metrics strong{font-size:24px}.price{padding:16px}.result-disclaimer{margin-bottom:12px}}[hidden]{display:none!important}.mode-switch{flex-wrap:wrap;align-items:center;gap:8px;margin:0 32px 12px;display:flex}.mode-switch button{color:var(--ink);background:#fff;border:1px solid #cad8c5;border-radius:30px;padding:10px 20px;font-size:14px}.mode-switch button[aria-pressed=true]{background:var(--green);color:#fff;border-color:var(--green)}.mode-switch span{color:var(--muted);margin-left:12px;font-size:12px}.mode-content{min-width:0}.chat-title-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.chat-title-row h2{margin:12px 0;font-size:29px}.chat-title-row .icon-badge{font-size:25px}.chat-disclaimer{color:var(--green);background:#eaf2dc;border-radius:10px;margin:12px 0;padding:12px 15px;font-size:14px;font-weight:700}.chat-explanation{margin:12px 0 18px;font-size:12px}.chat-history{overscroll-behavior:contain;background:#f7f8f3;border:1px solid #e4eadf;border-radius:12px;flex-direction:column;gap:14px;max-height:310px;padding:16px;display:flex;overflow:auto}.chat-message{overflow-wrap:anywhere;background:#fff;border:1px solid #e0e8d9;border-radius:12px;max-width:92%;padding:12px 14px}.chat-message span{letter-spacing:.6px;color:#5d795c;font-size:10px;font-weight:700}.chat-message p{color:var(--ink);margin:5px 0 0;font-size:14px}.chat-message.user{background:#e7efd9;align-self:flex-end}.chat-suggestion{background:#f3f6ed;border-radius:10px;margin:14px 0;padding:14px}.chat-suggestion small{color:var(--muted);letter-spacing:1px;font-size:10px}.chat-suggestion p{margin:6px 0;font-size:13px}.chat-suggestion button{color:var(--green);text-align:left;background:0 0;border:0;padding:5px 0;font-size:13px;font-weight:600;text-decoration:underline}.chat-composer{margin-top:14px}.chat-composer label{font-size:12px;font-weight:600}.chat-composer>div{align-items:center;gap:8px;display:flex}.chat-composer input{flex:1;min-width:0;margin:6px 0}.chat-composer .primary{white-space:nowrap;padding:16px 14px}.chat-result{border-top:1px solid #dfe5d9;margin-top:26px;padding-top:24px}.chat-result h3{margin:12px 0;font-size:22px}.chat-result details p{font-size:13px}@media (max-width:760px){.mode-switch{margin:0 24px 16px}.mode-switch span{display:none}.mode-switch button{padding:10px 17px}.chat-card{padding:22px 18px}.chat-title-row h2{font-size:25px}.chat-title-row .icon-badge{display:none}.chat-history{max-height:230px;padding:12px}.chat-composer>div{flex-direction:column;align-items:stretch;gap:0}.chat-composer .primary{align-self:flex-end;padding:11px 18px}.chat-disclaimer,.chat-message p{font-size:13px}.chat-suggestion{padding:10px 12px}}.chat-next{background:#f3f6ed;border-radius:12px;margin-top:18px;padding:16px}.chat-next>strong{letter-spacing:1px;text-transform:uppercase;font-size:11px}.chat-next p{margin:8px 0 12px;font-size:14px}.chat-quick{flex-wrap:wrap;gap:8px;display:flex}.chat-quick button{color:var(--green);background:#fff;border:1px solid #bdcdb5;border-radius:24px;min-height:42px;padding:9px 13px;font-size:13px}.chat-next .primary{margin-bottom:10px}.answer>span:last-child{text-align:right;overflow-wrap:anywhere;max-width:60%}.chat-back{color:var(--green);background:0 0;border:0;min-height:42px;padding:10px 0;font-size:12px;text-decoration:underline;display:block}.chat-card .answer{flex-wrap:wrap;align-items:flex-start;gap:10px}.chat-card .answer>span:first-child{flex:1;min-width:105px}.chat-card .answer>span:nth-child(2){text-align:right;overflow-wrap:anywhere;flex:1;min-width:100px}.chat-card .answer button{min-height:42px;padding:8px}.chat-card .soft-box>.primary{margin-top:14px}.demo-navigation{align-items:center;gap:20px;display:flex}.demo-navigation>a{color:var(--green);font-size:12px;text-decoration:none}.demo-navigation>a:hover{text-decoration:underline}@media (max-width:500px){.demo-navigation{gap:9px}.demo-navigation .demo-pill{padding:7px;font-size:8px}.demo-navigation>a{font-size:10px}}
