/* Origen Solar · web. Foto protagonista, tinta oscura y el naranja del logo como único acento. */
:root{
  --tinta:#11161a;
  --tinta-2:#1c2328;
  --texto:#2a3136;
  --gris:#5f676d;
  --gris-claro:#9aa2a8;
  --linea:#e6e2dc;
  --arena:#f6f3ee;
  --blanco:#ffffff;
  --naranja:#f47b20;
  --naranja-osc:#d8630c;
  --ambar:#ffb52e;
  --wa:#1fa855;
  --wa-osc:#178a45;
  --display:"Sora",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --cuerpo:"Figtree",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --r:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px;-webkit-text-size-adjust:100%}
body{font-family:var(--cuerpo);color:var(--texto);background:var(--blanco);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--display);color:var(--tinta);line-height:1.12;letter-spacing:-.02em;text-wrap:balance}
h3{letter-spacing:-.01em}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
section{padding-block:104px}
.eyebrow{font-family:var(--cuerpo);font-weight:700;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--ambar);margin-bottom:14px}
.eyebrow-osc{color:var(--naranja-osc)}
.titulo{font-size:clamp(30px,4vw,46px);font-weight:600;margin-bottom:16px}
.intro{color:var(--gris);font-size:19px;max-width:600px}
.cabecera{margin-bottom:48px}
.cabecera .eyebrow{color:var(--naranja-osc)}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:0 26px;border-radius:10px;font:600 16px/1 var(--cuerpo);text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .2s}
.btn svg{width:21px;height:21px;flex:none}
.btn:focus-visible,.opcion input:focus-visible+span,.link-cambio:focus-visible{outline:3px solid var(--ambar);outline-offset:3px}
.btn-sol{background:var(--naranja);color:#fff}
.btn-sol:hover{background:var(--naranja-osc)}
.btn-claro{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.06);backdrop-filter:blur(6px)}
.btn-claro:hover{background:#fff;color:var(--tinta)}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:hover{background:var(--wa-osc)}
.btn-chico{min-height:42px;padding:0 16px;font-size:15px}
.btn-chico svg{width:18px;height:18px}
.btn-ancho{width:100%}

/* Encabezado */
.top{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .25s,box-shadow .25s}
.top-in{display:flex;align-items:center;gap:28px;height:76px}
.top.solido{background:rgba(17,22,26,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(255,255,255,.06)}
.marca{display:flex;align-items:center;gap:10px;text-decoration:none;margin-right:auto;color:#fff}
.marca img{width:50px;height:auto}
.marca span{display:flex;flex-direction:column;line-height:1}
.marca b{font-family:var(--display);font-weight:700;font-size:19px;letter-spacing:.16em}
.marca i{font-style:normal;font-weight:700;font-size:10.5px;letter-spacing:.66em;color:var(--naranja);margin-top:5px}
.menu{display:flex;gap:28px}
.menu a{text-decoration:none;font-weight:500;font-size:15px;color:rgba(255,255,255,.82);padding:6px 0;transition:color .2s}
.menu a:hover{color:#fff}
.hamb{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.hamb span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .2s,opacity .2s}

/* Portada */
.hero{position:relative;background:var(--tinta);color:#fff;padding-block:168px 0;overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.hero:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(11,15,18,.92) 0%,rgba(11,15,18,.72) 45%,rgba(11,15,18,.25) 100%),linear-gradient(0deg,rgba(11,15,18,.85) 0%,rgba(11,15,18,0) 40%)}
.hero-in{max-width:1200px}
.hero h1{color:#fff;font-size:clamp(40px,6.4vw,76px);font-weight:600;max-width:820px;margin-bottom:22px}
.bajada{font-size:clamp(18px,1.6vw,21px);color:rgba(255,255,255,.84);max-width:600px;margin-bottom:36px}
.ctas{display:flex;flex-wrap:wrap;gap:12px}
.sellos{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);margin-top:120px;border-top:1px solid rgba(255,255,255,.16)}
.sellos li{padding:26px 24px 34px 0;display:flex;flex-direction:column;gap:2px}
.sellos li+li{padding-left:24px;border-left:1px solid rgba(255,255,255,.16)}
.sellos b{font-family:var(--display);font-weight:600;font-size:16px}
.sellos span{color:rgba(255,255,255,.66);font-size:15px}

/* Calculadora */
.calc-sec{background:var(--arena);padding-block:96px}
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);background:var(--blanco);border-radius:20px;overflow:hidden;box-shadow:0 30px 80px rgba(17,22,26,.12)}
.calc-form{padding:52px 52px 48px;display:flex;flex-direction:column}
.calc-form h2{font-size:clamp(28px,3.2vw,38px);font-weight:600;margin-bottom:30px}
.tipo{border:0;min-width:0;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:28px}
.tipo legend{font-weight:600;color:var(--tinta);margin-bottom:12px;font-size:16px}
.opcion{cursor:pointer}
.opcion input{position:absolute;opacity:0;pointer-events:none}
.opcion span{display:flex;align-items:center;justify-content:center;gap:10px;height:64px;border:1.5px solid var(--linea);border-radius:12px;font-family:var(--display);font-weight:600;font-size:17px;color:var(--gris);transition:border-color .2s,background .2s,color .2s}
.opcion svg{width:24px;height:24px}
.opcion:hover span{border-color:#cfc8be}
.opcion input:checked+span{border-color:var(--naranja);background:#fff6ee;color:var(--tinta)}
.opcion input:checked+span svg{color:var(--naranja)}
.campo label{display:block;font-weight:600;color:var(--tinta);margin-bottom:10px;font-size:16px}
.entrada{display:flex;align-items:center;gap:10px;border:1.5px solid var(--linea);border-radius:12px;padding:0 18px;height:68px;transition:border-color .2s}
.entrada:focus-within{border-color:var(--naranja)}
.entrada span{font-family:var(--display);font-size:22px;color:var(--gris-claro);font-weight:500}
.entrada input{flex:1;min-width:0;border:0;outline:0;background:transparent;font:600 28px var(--display);color:var(--tinta);letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.ayuda{font-size:14px;color:var(--gris);margin-top:8px}
.link-cambio{align-self:flex-start;margin-top:22px;background:none;border:0;font:600 15px var(--cuerpo);color:var(--naranja-osc);text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.calc-res{background:var(--tinta);color:#fff;padding:48px 48px 40px;display:flex;flex-direction:column;gap:6px}
.res-tit{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--ambar);font-weight:700}
.res-sistema{font-family:var(--display);font-size:clamp(24px,2.4vw,30px);font-weight:600;line-height:1.2;letter-spacing:-.01em}
.res-detalle{color:rgba(255,255,255,.66);font-size:15px}
.res-datos{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.12);border-radius:12px;overflow:hidden;margin:22px 0 18px}
.res-datos div{background:var(--tinta-2);padding:16px 14px;min-width:0}
.res-datos dt{font-size:12.5px;color:rgba(255,255,255,.6);margin-bottom:4px}
.res-datos dd b{display:block;font-family:var(--display);font-size:clamp(18px,1.9vw,22px);font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}
.res-datos dd span{font-size:12.5px;color:rgba(255,255,255,.6)}
.res-precio{display:flex;flex-direction:column;padding:18px 0 22px;border-top:1px solid rgba(255,255,255,.12)}
.res-precio span{font-size:14px;color:rgba(255,255,255,.7)}
.res-precio b{font-family:var(--display);font-size:clamp(34px,3.6vw,44px);font-weight:600;color:var(--ambar);letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.15}
.res-precio small{font-size:13.5px;color:rgba(255,255,255,.6)}
.res-nota{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:14px;line-height:1.5}

/* Cómo funciona */
.como-funciona{position:relative;color:#fff;isolation:isolate;overflow:hidden;background:var(--tinta)}
.cf-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.como-funciona:after{content:"";position:absolute;inset:0;z-index:-1;background:rgba(11,15,18,.8)}
.como-funciona .titulo{color:#fff;margin-bottom:48px;max-width:640px}
.flujo{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.flujo li{border-top:1px solid rgba(255,255,255,.22);padding-top:26px}
.flujo .num{font-family:var(--display);font-weight:600;font-size:15px;color:var(--ambar);display:block;margin-bottom:14px}
.flujo h3{color:#fff;font-size:22px;font-weight:600;margin-bottom:10px}
.flujo p{color:rgba(255,255,255,.72)}

/* Soluciones */
.grilla{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.sol{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:3/4;max-width:100%;background:var(--tinta-2);isolation:isolate;display:flex;flex-direction:column;justify-content:flex-end}
.sol img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .6s ease}
.sol:hover img{transform:scale(1.04)}
.sol:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(11,15,18,.92) 0%,rgba(11,15,18,.55) 42%,rgba(11,15,18,0) 70%)}
.sol-txt{padding:24px}
.sol h3{color:#fff;font-size:20px;font-weight:600;margin-bottom:8px}
.sol p{color:rgba(255,255,255,.78);font-size:15px;line-height:1.5}
.sol-tramite img{object-position:30% 50%}
.sello-sol{position:absolute;top:18px;left:18px;background:var(--naranja);color:#fff;font:700 13px var(--cuerpo);letter-spacing:.06em;text-transform:uppercase;padding:7px 12px;border-radius:999px}

/* Por qué */
.por-que{background:var(--arena)}
.por-que-in{display:grid;grid-template-columns:5fr 6fr;gap:72px;align-items:center}
.pq-foto{border-radius:18px;overflow:hidden;aspect-ratio:4/5;max-width:100%;background:var(--linea)}
.pq-foto img{width:100%;height:100%;object-fit:cover;object-position:72% 50%}
.pq-txt .eyebrow{color:var(--naranja-osc)}
.ventajas{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:30px 36px;margin-top:40px}
.ventajas li{display:flex;flex-direction:column;gap:12px}
.ventajas svg{width:30px;height:30px;color:var(--naranja)}
.ventajas h3{font-size:18px;font-weight:600;margin-bottom:4px}
.ventajas p{color:var(--gris);font-size:16px}

/* Pasos */
.linea{list-style:none;counter-reset:paso;display:grid;grid-template-columns:repeat(5,1fr);gap:28px}
.linea li{counter-increment:paso;border-top:2px solid var(--linea);padding-top:24px;position:relative}
.linea li:before{content:"0" counter(paso);font-family:var(--display);font-weight:600;font-size:40px;letter-spacing:-.03em;color:var(--naranja);display:block;line-height:1;margin-bottom:18px}
.linea li:first-child{border-top-color:var(--naranja)}
.linea h3{font-size:18px;font-weight:600;margin-bottom:6px}
.linea p{color:var(--gris);font-size:16px}

/* Preguntas */
.faq{background:var(--arena)}
.faq-in{display:grid;grid-template-columns:2fr 3fr;gap:64px;align-items:start}
.acordeon{border-top:1px solid #dcd6ce}
.acordeon details{border-bottom:1px solid #dcd6ce}
.acordeon summary{cursor:pointer;list-style:none;padding:22px 40px 22px 0;font-family:var(--display);font-weight:600;font-size:18px;color:var(--tinta);position:relative;letter-spacing:-.01em}
.acordeon summary::-webkit-details-marker{display:none}
.acordeon summary:after{content:"";position:absolute;right:6px;top:50%;width:10px;height:10px;border-right:2px solid var(--naranja);border-bottom:2px solid var(--naranja);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.acordeon details[open] summary:after{transform:translateY(-30%) rotate(-135deg)}
.acordeon summary:focus-visible{outline:3px solid var(--ambar);outline-offset:2px}
.acordeon details p{padding:0 40px 24px 0;color:var(--gris)}

/* Contacto */
.contacto-in{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:start}
.c-info .eyebrow{color:var(--naranja-osc)}
.telefonos{display:flex;flex-direction:column;gap:12px;margin:34px 0 26px;max-width:380px}
.tel{display:flex;align-items:center;gap:16px;text-decoration:none;border:1.5px solid var(--linea);border-radius:var(--r);padding:16px 20px;transition:border-color .2s}
.tel:hover{border-color:var(--wa)}
.tel svg{width:36px;height:36px;color:var(--wa);flex:none}
.tel span{display:flex;flex-direction:column;line-height:1.2;font-family:var(--display);font-weight:600;font-size:22px;color:var(--tinta);font-variant-numeric:tabular-nums}
.tel small{font-family:var(--cuerpo);font-size:12px;color:var(--gris);text-transform:uppercase;letter-spacing:.1em;font-weight:600}
.zona{display:flex;gap:10px;align-items:flex-start;color:var(--gris)}
.zona svg{width:22px;height:22px;color:var(--naranja);flex:none;margin-top:2px}
.form{background:var(--arena);border-radius:18px;padding:36px;display:flex;flex-direction:column}
.form h3{font-size:24px;font-weight:600}
.f-ayuda{color:var(--gris);font-size:15px;margin:6px 0 20px}
.form label{font-size:14px;font-weight:600;color:var(--tinta);margin:14px 0 6px}
.form input,.form select,.form textarea{font:500 16px var(--cuerpo);color:var(--tinta);padding:14px 16px;border:1.5px solid #ddd6cc;border-radius:10px;background:#fff;width:100%}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:var(--naranja)}
.form .btn{margin-top:24px}

/* Pie */
.pie{background:var(--tinta);color:rgba(255,255,255,.66);padding-block:56px 100px;font-size:15px}
.pie-in{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}
.marca-pie{margin:0 0 8px}
.pie-tel{display:flex;gap:20px}
.pie a{color:#fff;text-decoration:none}
.copy{font-size:13px;color:rgba(255,255,255,.42)}

/* WhatsApp flotante */
.wa-flotante{position:fixed;right:calc(20px + env(safe-area-inset-right,0px));bottom:calc(20px + env(safe-area-inset-bottom,0px));z-index:60;width:58px;height:58px;border-radius:50%;background:var(--wa);color:#fff;display:grid;place-items:center;box-shadow:0 10px 26px rgba(0,0,0,.28);transition:transform .2s}
.wa-flotante:hover{transform:scale(1.06)}
.wa-flotante svg{width:30px;height:30px}

/* Tablet */
@media (max-width:1060px){
  .grilla{grid-template-columns:repeat(2,1fr)}
  .sol{aspect-ratio:4/3}
  .linea{grid-template-columns:1fr 1fr;row-gap:40px}
  .sellos{grid-template-columns:1fr 1fr}
  .sellos li:nth-child(3){padding-left:0;border-left:0}
  .sellos li:nth-child(n+3){border-top:1px solid rgba(255,255,255,.16)}
  .calc{grid-template-columns:minmax(0,1fr)}
  .por-que-in{grid-template-columns:1fr;gap:44px}
  .pq-foto{aspect-ratio:16/10}
  .faq-in{grid-template-columns:1fr;gap:28px}
  .cabecera{margin-bottom:36px}
}
/* Celular */
@media (max-width:820px){
  body{font-size:16px}
  section{padding-block:72px}
  .menu{position:fixed;top:76px;left:0;right:0;background:var(--tinta);flex-direction:column;gap:0;padding:8px max(20px,env(safe-area-inset-right,0px)) 22px max(20px,env(safe-area-inset-left,0px));transform:translateY(-140%);transition:transform .25s;z-index:-1;box-shadow:0 20px 30px rgba(0,0,0,.25)}
  .menu a{padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:17px}
  .menu-abierto .menu{transform:none}
  .menu-abierto .top{background:var(--tinta)}
  .hamb{display:flex}
  .top-in{gap:8px}
  .btn-chico span{display:none}
  .btn-chico{padding:0 12px}
  .menu-abierto .hamb span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .menu-abierto .hamb span:nth-child(2){opacity:0}
  .menu-abierto .hamb span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .hero{padding-block:128px 0}
  .hero:after{background:linear-gradient(0deg,rgba(11,15,18,.95) 0%,rgba(11,15,18,.7) 55%,rgba(11,15,18,.55) 100%)}
  .ctas .btn{width:100%}
  .sellos{margin-top:64px}
  .calc-sec{padding-block:56px}
  .calc-form{padding:32px 22px 28px}
  .calc-res{padding:32px 22px 28px}
  .flujo{grid-template-columns:1fr;gap:28px}
  .contacto-in{grid-template-columns:1fr;gap:40px}
  .telefonos{max-width:none}
  .form{padding:26px 20px}
}
@media (max-width:560px){
  .wrap{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
  .grilla{grid-template-columns:1fr}
  .sol{aspect-ratio:4/3}
  .sellos li{padding:20px 12px 24px 0}
  .sellos li+li{padding-left:12px}
  .sellos li:nth-child(3){padding-left:0}
  .sellos b{font-size:15px}
  .sellos span{font-size:13.5px}
  .res-datos{grid-template-columns:1fr 1fr}
  .res-datos div:first-child{grid-column:1/-1}
  .ventajas{grid-template-columns:1fr;gap:26px}
  .linea{grid-template-columns:1fr;row-gap:28px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}