:root{--green:#0b5d3b;--dark:#063b27;--gold:#f4b400;--bg:#f4f7f5;--card:#fff;--text:#18231d;--muted:#68766e;--border:#dce5df;--red:#b42318;--shadow:0 8px 28px rgba(0,0,0,.07);--radius:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:15px/1.55 Arial,Helvetica,sans-serif;color:var(--text);background:var(--bg)}a{color:inherit;text-decoration:none}.container{width:min(1180px,94%);margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:var(--dark);color:#fff;box-shadow:0 3px 15px #0002}.header-inner{min-height:68px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:10px;align-items:center}.brand>span:last-child{display:flex;flex-direction:column}.brand small{opacity:.7}.logo-mark{width:43px;height:43px;border-radius:10px;background:#fff;color:var(--green);display:grid;place-items:center;font-weight:900}.site-header nav{display:flex;gap:20px;font-size:14px}.site-header nav a:hover{color:var(--gold)}
.hero{background:linear-gradient(135deg,var(--dark),var(--green));color:#fff;padding:64px 0}.hero-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:38px;align-items:center}.eyebrow{font-size:12px;letter-spacing:2px;color:#ffe07a;font-weight:bold}.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.04;margin:12px 0 20px}.hero p{font-size:18px;max-width:730px;opacity:.9}.notice{margin-top:22px;padding:15px 18px;border-left:4px solid var(--gold);background:#ffffff12;border-radius:8px}.hero-card{background:#fff;color:var(--text);padding:25px;border-radius:20px;box-shadow:var(--shadow)}.hero-card h3{color:var(--green);margin-top:0}.hero-card li{padding:7px 0;border-bottom:1px solid var(--border)}.hero-card ul{padding-left:20px;margin-bottom:0}
.section{padding:34px 0}.section-heading{display:flex;gap:14px;align-items:flex-start;margin-bottom:17px}.section-heading>span{background:#dcefe5;color:var(--green);font-weight:900;padding:6px 9px;border-radius:8px}.section-heading h2{margin:0;color:var(--dark);font-size:26px}.section-heading p{margin:3px 0;color:var(--muted)}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}.grid{display:grid;gap:16px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}label{display:flex;flex-direction:column;gap:6px;font-weight:700;font-size:13px}label small{font-weight:400;color:var(--muted)}input,select,textarea{width:100%;border:1px solid var(--border);border-radius:9px;padding:11px 12px;background:#fff;color:var(--text);outline:0}input:focus,select:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px #0b5d3b14}
.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:12px}.table-wrap table{border-collapse:collapse;width:100%;min-width:1120px}.table-wrap th,.table-wrap td{padding:8px;border-bottom:1px solid var(--border);font-size:12px;vertical-align:middle}.table-wrap th{background:#edf5f0;text-align:left;color:var(--dark)}.table-wrap input,.table-wrap select{padding:7px;min-width:65px}.table-wrap input[type=checkbox]{width:18px;height:18px;min-width:18px}.row-energy,.row-peak{white-space:nowrap;font-weight:bold}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.btn{border:0;border-radius:9px;padding:11px 16px;font-weight:800;cursor:pointer}.btn.primary{background:var(--green);color:#fff}.btn.primary:hover{background:var(--dark)}.btn.ghost{background:#edf3ef;color:var(--dark)}.btn.danger{background:#feeceb;color:var(--red)}.btn.whatsapp{background:#1f9d55;color:#fff}.btn.large{padding:14px 22px;font-size:16px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:18px}.metrics>div{background:#f7faf8;border:1px solid var(--border);border-radius:11px;padding:14px}.metrics small{display:block;color:var(--muted)}.metrics strong{font-size:21px;color:var(--green)}
.results-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.result-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:19px}.result-card small{display:block;color:var(--muted)}.result-card strong{display:block;font-size:31px;color:var(--dark);margin:4px 0}.result-card span{font-size:12px;color:var(--muted)}.result-card.highlight{background:linear-gradient(135deg,var(--dark),var(--green));color:#fff}.result-card.highlight small,.result-card.highlight strong,.result-card.highlight span{color:#fff}.breakdown h3{margin-top:0}.formula{padding:11px 13px;background:#f5f8f6;border-left:3px solid var(--green);margin:9px 0;border-radius:6px;font-family:monospace;font-size:13px}.disclaimer{margin-top:15px;background:#fff8dc;border:1px solid #ead68a;padding:16px;border-radius:10px;font-size:13px}
footer{background:#062d1f;color:#dbe8e0;margin-top:45px;padding:35px 0}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:25px}.footer-grid h3{color:#fff}.footer-grid strong{color:#fff}.footer-grid p{font-size:13px}.toast{position:fixed;right:18px;bottom:18px;background:#17231d;color:#fff;padding:13px 16px;border-radius:9px;opacity:0;transform:translateY(10px);transition:.2s;z-index:100}.toast.show{opacity:1;transform:none}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.grid.three,.results-grid{grid-template-columns:repeat(2,1fr)}.metrics{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.site-header nav{display:none}.hero{padding:45px 0}.grid.two,.grid.three,.results-grid,.footer-grid{grid-template-columns:1fr}.metrics{grid-template-columns:1fr 1fr}.card{padding:16px}.hero h1{font-size:36px}}
@media print{.site-header,.hero,main>.section:not(#results),footer,.actions,.disclaimer{display:none!important}.results{display:block!important}.card,.result-card{box-shadow:none}}