:root{
  --cal:#fbfaf6; --cielo:#dce7ee; --pizarra:#24303a; --celula:#1d3150; --celula-2:#2a4670;
  --sodio:#f1ae36; --sodio-claro:#ffd27a; --texto:#1f262d; --suave:#5a646d; --linea:#d6dde2;
  --display:"Archivo",system-ui,sans-serif; --body:"Figtree",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--cal);color:var(--texto);font:400 17px/1.6 var(--body)}
a{color:inherit}
:focus-visible{outline:3px solid var(--sodio);outline-offset:3px}
.env{max-width:1180px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--display);margin:0;line-height:1.02}
h1{font-variation-settings:"wdth" 125;font-weight:800;font-size:clamp(2.4rem,5vw,4.1rem);letter-spacing:-.02em}
h2{font-variation-settings:"wdth" 112;font-weight:700;font-size:clamp(2rem,4vw,3.1rem);letter-spacing:-.015em}
h3{font-variation-settings:"wdth" 112;font-weight:700;font-size:1.25rem}
p{margin:0 0 1em;max-width:64ch}
.btn{display:inline-flex;align-items:center;gap:10px;font:600 1rem var(--body);padding:13px 22px;border-radius:999px;border:0;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn-sol{background:var(--sodio);color:#1b1408}
.btn-sol:hover{background:var(--sodio-claro)}
.btn-wa{background:#1f8a4c;color:#fff}
.btn-linea{background:transparent;border:1.5px solid currentColor;color:inherit}

header{position:sticky;top:0;z-index:10;background:rgba(251,250,246,.92);backdrop-filter:saturate(1.2);border-bottom:1px solid var(--linea)}
header .env{display:flex;align-items:center;gap:26px;height:66px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--display);font-variation-settings:"wdth" 125;font-weight:800;font-size:1.2rem}
.logo svg{width:34px;height:34px}
nav{display:flex;gap:22px;margin-left:auto;font-size:.95rem}
nav a{text-decoration:none;color:var(--suave)}
nav a:hover{color:var(--texto)}
@media (max-width:880px){nav{display:none}header .btn{margin-left:auto;padding:10px 16px}}

/* Portada: el sol a lo largo del día */
.portada{background:linear-gradient(var(--cielo-arriba,#cfe0ea),var(--cielo-abajo,#eef3f5));padding:60px 0 0;transition:background .3s}
.portada .env{display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:end}
@media (max-width:940px){.portada .env{grid-template-columns:1fr}}
.portada .intro{padding-bottom:70px}
.portada .intro p{font-size:1.15rem;color:#34404a;margin:20px 0 28px}
.escena{position:relative}
.escena svg{display:block;width:100%;height:auto}
.control-hora{background:var(--pizarra);color:#eef2f4;border-radius:14px 14px 0 0;padding:18px 22px;display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center}
.control-hora output{font-family:var(--display);font-variation-settings:"wdth" 112;font-weight:700;font-size:1.5rem;min-width:4.2ch}
.control-hora input{width:100%;accent-color:var(--sodio)}
.estaciones{display:flex;gap:6px}
.estaciones button{border:1.5px solid #4a5a67;background:transparent;color:#cfd8de;border-radius:999px;padding:6px 12px;font:600 .9rem var(--body);cursor:pointer}
.estaciones button[aria-pressed="true"]{background:var(--sodio);border-color:var(--sodio);color:#1b1408}
.lectura{background:var(--pizarra);color:#cfd8de;padding:0 22px 20px;display:flex;flex-wrap:wrap;gap:8px 30px;font-size:.95rem}
.lectura b{font-family:var(--display);font-variation-settings:"wdth" 112;font-size:1.35rem;color:var(--sodio-claro);display:block;line-height:1.1}
@media (max-width:560px){.control-hora{grid-template-columns:1fr}.estaciones{order:3}}

section{padding:96px 0}
.cab{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end;margin-bottom:46px}
.cab p{color:var(--suave);margin:0;font-size:1.06rem}
@media (max-width:820px){.cab{grid-template-columns:1fr;gap:14px}}

/* Calculadora */
.calc{display:grid;grid-template-columns:1fr 1.1fr;gap:0;border:1px solid var(--linea);border-radius:16px;overflow:hidden;background:#fff}
@media (max-width:900px){.calc{grid-template-columns:1fr}}
.calc .entradas{padding:32px}
.calc .salidas{background:var(--celula);color:#e8eef5;padding:32px;display:flex;flex-direction:column;gap:22px}
.campo{margin-bottom:26px}
.campo label{display:flex;justify-content:space-between;align-items:baseline;font-weight:600;margin-bottom:10px}
.campo output{font-family:var(--display);font-variation-settings:"wdth" 112;font-weight:700;font-size:1.6rem}
.campo input[type=range]{width:100%;accent-color:var(--celula-2)}
.opciones{display:flex;flex-wrap:wrap;gap:8px}
.opciones button{border:1.5px solid var(--linea);background:#fff;border-radius:999px;padding:8px 14px;font:500 .95rem var(--body);cursor:pointer;color:var(--texto)}
.opciones button[aria-pressed="true"]{border-color:var(--celula);background:var(--celula);color:#fff}
.tejado-mini{display:grid;grid-template-columns:repeat(var(--cols,6),34px);gap:4px;background:#a8613f;padding:10px;border-radius:6px;width:max-content;max-width:100%}
.tejado-mini i{aspect-ratio:1/1.6;background:linear-gradient(135deg,var(--celula-2),var(--celula));border:1px solid #9fb4cf55;border-radius:2px}
.cifras{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.cifras div{border-top:1px solid #ffffff2a;padding-top:12px}
.cifras b{display:block;font-family:var(--display);font-variation-settings:"wdth" 125;font-weight:800;font-size:2.1rem;line-height:1;color:#fff}
.cifras span{font-size:.92rem;color:#b9c7d8}
.grafico svg{width:100%;height:auto;display:block}
.nota{font-size:.85rem;color:#9fb0c4;margin:0}

/* Pasos */
.pasos{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:26px;counter-reset:p}
@media (max-width:900px){.pasos{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.pasos{grid-template-columns:1fr}}
.pasos li{counter-increment:p;padding-top:18px;border-top:2px solid var(--pizarra)}
.pasos li::before{content:counter(p);font-family:var(--display);font-variation-settings:"wdth" 125;font-weight:800;font-size:2.4rem;color:var(--sodio);display:block;line-height:1;margin-bottom:10px}
.pasos p{color:var(--suave);font-size:1rem;margin:6px 0 0}

/* Tejado con fotos */
.fotos-sec{background:var(--pizarra);color:#eef2f4}
.fotos-sec .cab p{color:#b8c4cd}
.form{display:grid;grid-template-columns:1fr 1fr;gap:18px 22px}
.form .ancho{grid-column:1/-1}
@media (max-width:720px){.form{grid-template-columns:1fr}}
.form label{display:block;font-weight:600;margin-bottom:6px}
.form input,.form select,.form textarea{width:100%;font:400 1rem var(--body);padding:13px 14px;border-radius:10px;border:1.5px solid #42515d;background:#2c3944;color:#eef2f4}
.form textarea{min-height:100px;resize:vertical}
.brujula{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.brujula svg{width:150px;height:150px;flex:none}
.brujula svg [data-o]{cursor:pointer}
.brujula svg [data-o]:hover path{fill:#3a4a57}
.brujula p{color:#b8c4cd;font-size:.95rem;margin:0;max-width:34ch}
.subida{display:block;border:1.5px dashed #5d6d79;border-radius:12px;padding:24px;text-align:center;cursor:pointer}
.subida:hover,.subida.encima{border-color:var(--sodio)}
.subida input{position:absolute;width:1px;height:1px;opacity:0}
.subida span{display:block;color:#b8c4cd;font-size:.92rem}
.minis{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:10px;margin-top:12px}
.minis figure{margin:0;position:relative;aspect-ratio:1;border-radius:8px;overflow:hidden}
.minis img{width:100%;height:100%;object-fit:cover}
.minis button{position:absolute;top:4px;right:4px;width:26px;height:26px;border-radius:50%;border:0;background:#000b;color:#fff;cursor:pointer}
.aviso{color:var(--sodio-claro);min-height:1.4em;margin-top:12px}

details{border-bottom:1px solid var(--linea);padding:18px 0}
summary{cursor:pointer;font-weight:600;font-size:1.08rem;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::after{content:"+";font-family:var(--display);font-weight:700;color:var(--celula-2);font-size:1.4rem;line-height:1}
details[open] summary::after{content:"–"}
details p{color:var(--suave);margin:10px 0 0}
footer{background:#182028;color:#9fb0bc;padding:40px 0;font-size:.92rem}
footer .env{display:flex;flex-wrap:wrap;gap:16px 40px;justify-content:space-between}
.wa-flotante{position:fixed;right:18px;bottom:18px;z-index:20;width:58px;height:58px;border-radius:50%;background:#1f8a4c;display:grid;place-items:center;box-shadow:0 10px 24px -8px #0008}
.wa-flotante svg{width:30px;height:30px;fill:#fff}
.logo{white-space:nowrap}@media (max-width:940px){.portada .intro{padding-bottom:30px}}@media (max-width:520px){.portada .btn-linea{margin:12px 0 0!important}header .btn{font-size:.9rem}.logo{font-size:1rem}}
.servicios{display:grid;grid-template-columns:repeat(3,1fr);border-top:2px solid var(--pizarra)}
.servicios div{padding:22px 22px 24px 0;border-bottom:1px solid var(--linea)}
.servicios p{color:var(--suave);font-size:1rem;margin:6px 0 0}
@media (max-width:860px){.servicios{grid-template-columns:1fr}}

/* ===== v2 ===== */
.saltar{position:absolute;left:-999px;top:8px;background:var(--sodio);color:#1b1408;padding:10px 14px;z-index:50;border-radius:8px}
.saltar:focus{left:8px}
nav a[aria-current="page"]{color:var(--texto);font-weight:600}
.abrir-menu{display:none;margin-left:auto;border:1.5px solid var(--linea);background:#fff;border-radius:999px;padding:8px 14px;font:600 .95rem var(--body);cursor:pointer}
@media (max-width:880px){
  .abrir-menu{display:block}
  header nav.abierto{display:flex;position:absolute;top:66px;left:0;right:0;flex-direction:column;gap:0;background:var(--cal);border-bottom:1px solid var(--linea);padding:6px 24px 16px}
  header nav.abierto a{padding:12px 0;border-bottom:1px solid var(--linea)}
  header .btn-sol{display:none}
}
.lectura div{min-width:120px}
.lectura .cuando{flex-basis:100%;font-size:.9rem;color:#9fb0bc}

/* Estudio solar */
.estudio{display:grid;grid-template-columns:330px 1fr;border:1px solid var(--linea);border-radius:16px;overflow:hidden;background:#fff}
@media (max-width:1000px){.estudio{grid-template-columns:1fr}}
.estudio .entradas{padding:26px;border-right:1px solid var(--linea)}
@media (max-width:1000px){.estudio .entradas{border-right:0;border-bottom:1px solid var(--linea)}}
.estudio .bloque{margin-bottom:24px}
.estudio .bloque>.tit{display:block;font-weight:600;margin-bottom:10px}
.estudio .campo{margin-bottom:20px}
.estudio .campo output{font-size:1.3rem}
.estudio .opciones button{padding:7px 12px;font-size:.9rem}
.brujula-caja{display:flex;align-items:center;gap:16px}
.brujula-caja svg{width:130px;height:130px;flex:none;touch-action:none;cursor:grab}
.brujula-caja p{margin:0;font-size:.92rem;color:var(--suave)}
.brujula-caja output{display:block;font-family:var(--display);font-variation-settings:"wdth" 112;font-weight:700;font-size:1.2rem;color:var(--texto)}
.resultados{padding:26px;display:grid;gap:22px;min-width:0}
.tejado-vista svg{width:100%;height:auto;display:block;background:linear-gradient(#e7eff4,#f6f8f9);border-radius:12px}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);border-top:2px solid var(--pizarra)}
@media (max-width:720px){.kpis{grid-template-columns:1fr 1fr}}
.kpis div{padding:14px 14px 0 0}
.kpis b{display:block;font-family:var(--display);font-variation-settings:"wdth" 125;font-weight:800;font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.05;margin:4px 0}
.kpis span{font-size:.88rem;color:var(--suave)}
.grafica{position:relative}
.grafica h3{margin-bottom:6px}
.grafica .nota-g{font-size:.92rem;color:var(--suave);margin:0 0 10px}
.grafica svg{width:100%;height:auto;display:block;touch-action:pan-y}
.leyenda{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:.9rem;color:var(--suave);margin:6px 0 4px}
.leyenda i,.tip i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.tip{position:absolute;pointer-events:none;background:#fff;border:1px solid var(--linea);box-shadow:0 10px 28px -12px #0004;border-radius:10px;padding:10px 12px;font-size:.88rem;display:grid;gap:3px;min-width:180px;z-index:3}
.tip b{font-weight:700}
.meses-sel{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.meses-sel button{border:1.5px solid var(--linea);background:#fff;border-radius:999px;padding:5px 10px;font:500 .85rem var(--body);cursor:pointer}
.meses-sel button[aria-pressed="true"]{background:var(--pizarra);border-color:var(--pizarra);color:#fff}
.ver-tabla{font-size:.9rem;color:var(--suave)}
.ver-tabla summary{font-size:.92rem;font-weight:600}
.ver-tabla table{width:100%;border-collapse:collapse;margin-top:10px;font-size:.9rem}
.ver-tabla th,.ver-tabla td{text-align:right;padding:6px 8px;border-bottom:1px solid var(--linea)}
.ver-tabla th:first-child,.ver-tabla td:first-child{text-align:left}

/* Servicios enlazados */
.servicios a{display:block;padding:22px 22px 24px 0;border-bottom:1px solid var(--linea);text-decoration:none}
.servicios a:hover h3{color:var(--celula-2)}
.servicios .ir{display:inline-block;margin-top:12px;font-weight:600;text-decoration:underline;text-decoration-color:var(--sodio);text-underline-offset:4px}

/* Páginas interiores */
.portada-int{background:var(--pizarra);color:#eef2f4;padding:44px 0 60px}
.portada-int .env{display:grid;grid-template-columns:7fr 5fr;gap:50px;align-items:end}
@media (max-width:900px){.portada-int .env{grid-template-columns:1fr;gap:26px}}
.portada-int h1{max-width:16ch}
.portada-int .entradilla{color:#c3ced6;font-size:1.12rem;margin:18px 0 26px}
.migas{font-size:.88rem;color:#9fb0bc;margin-bottom:20px}
.migas ol{list-style:none;margin:0;padding:0;display:flex;gap:6px;flex-wrap:wrap}
.migas li+li::before{content:"/";margin-right:6px}
.hoja-datos{display:grid;gap:10px;border-top:2px solid var(--sodio);padding-top:12px;font-size:.95rem;color:#c3ced6}
.hoja-datos div{display:flex;justify-content:space-between;gap:14px;border-bottom:1px solid #3a4854;padding-bottom:9px}
.hoja-datos b{color:#fff;text-align:right;font-weight:600}
.herramienta{display:grid;grid-template-columns:320px 1fr;border:1px solid var(--linea);border-radius:16px;overflow:hidden;background:#fff}
@media (max-width:900px){.herramienta{grid-template-columns:1fr}}
.herramienta .entradas{padding:24px;border-right:1px solid var(--linea)}
@media (max-width:900px){.herramienta .entradas{border-right:0;border-bottom:1px solid var(--linea)}}
.herramienta .vista{padding:24px;min-width:0}
.herramienta .vista svg{width:100%;height:auto;display:block}
.casillas{display:grid;gap:6px}
.casillas label{display:flex;gap:10px;align-items:center;font-size:.95rem;cursor:pointer;justify-content:space-between;border:1.5px solid var(--linea);border-radius:10px;padding:8px 12px}
.casillas label span{flex:1}
.casillas label small{color:var(--suave)}
.casillas input{width:18px;height:18px;accent-color:var(--celula)}
.casillas label:has(input:checked){border-color:var(--celula);background:#f2f5fa}
.texto{display:grid;grid-template-columns:230px 1fr;gap:56px}
@media (max-width:900px){.texto{grid-template-columns:1fr;gap:20px}}
.indice{position:sticky;top:90px;align-self:start;font-size:.95rem;border-left:2px solid var(--pizarra);padding-left:16px}
@media (max-width:900px){.indice{position:static}}
.indice b{display:block;font-family:var(--display);font-variation-settings:"wdth" 112;margin-bottom:8px}
.indice a{display:block;padding:4px 0;color:var(--suave);text-decoration:none}
.cuerpo h2{font-size:clamp(1.8rem,3.2vw,2.5rem);margin:52px 0 16px}
.cuerpo h2:first-child{margin-top:0}
.cuerpo ul{max-width:64ch;padding-left:20px}
.tabla{width:100%;border-collapse:collapse;margin:16px 0;font-size:.95rem;background:#fff}
.tabla th,.tabla td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--linea);vertical-align:top}
.tabla th{background:var(--pizarra);color:#fff;font-weight:600}
.tabla-scroll{overflow-x:auto}
.recuadro{background:#fff;border:1px solid var(--linea);border-left:4px solid var(--sodio);border-radius:0 10px 10px 0;padding:16px 20px;margin:20px 0}
.recuadro p:last-child{margin:0}
.diag{display:grid;gap:12px}
.diag .causa{border:1px solid var(--linea);border-radius:12px;padding:14px 16px;background:#fff}
.diag .causa b{display:block;margin-bottom:4px}
.diag .causa p{margin:0;color:var(--suave);font-size:.95rem}
.indicador{height:14px;border-radius:999px;background:#e6eaee;position:relative;margin:10px 0 6px;overflow:hidden}
.indicador i{position:absolute;inset:0 auto 0 0;border-radius:999px}
.llamada{background:var(--sodio);padding:60px 0}
.llamada .env{display:flex;flex-wrap:wrap;gap:22px;justify-content:space-between;align-items:center}
.llamada h2{max-width:22ch}
.llamada .btn{background:var(--pizarra);color:#fff}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;width:100%}
@media (max-width:760px){footer .cols{grid-template-columns:1fr}}
footer h4{color:#e8eef2;margin:0 0 10px;font-family:var(--display);font-variation-settings:"wdth" 112}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
footer a{color:#e8eef2;text-decoration:none}
footer .legal{border-top:1px solid #2a343e;margin-top:30px;padding-top:16px;width:100%;font-size:.85rem}
.mapa{border:0;width:100%;height:360px;border-radius:14px}
.tip[hidden]{display:none}
.indice,.migas{display:block;margin-left:0;gap:0}
@media (max-width:600px){
  .grafica,.herramienta .vista{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .grafica>svg,.herramienta .vista>svg{min-width:560px}
  .herramienta .vista .kpis,.herramienta .vista .diag{min-width:0}
}