/* ALTOR Ingeniería y Energía — sitio web (versión 2)
   Composición: fotografía a sangre con velo azul de marca; contenido alineado a la izquierda sobre una retícula de 1200 px;
   el naranja de la marca aparece como luz: botones, curva solar y cifras. Un solo tema (claro), por decisión de marca. */
@font-face{font-family:"Archivo";src:url(../fonts/archivo-latin-wdth-normal.woff2) format("woff2");font-weight:100 900;font-stretch:62% 125%;font-style:normal;font-display:swap}

:root{
  color-scheme:light;
  --tinta:#0B293B;      /* azul de marca: titulares y fondos oscuros */
  --noche:#061C29;      /* azul profundo: velos sobre foto y pie */
  --celda:#1D4F73;      /* azul medio: enlaces */
  --sol:#E66231;        /* naranja de marca: acción y luz */
  --sol-osc:#B4441A;    /* naranja para texto pequeño sobre claro */
  --sol-claro:#FF9E6B;  /* naranja para texto sobre oscuro */
  --brisa:#EEF3F6;      /* fondo claro frío */
  --linea:#D5DFE6; --texto:#23343E; --sutil:#566871; --blanco:#fff;
  --fuente:"Archivo","Arial Nova",Arial,"Helvetica Neue",sans-serif;
  --ancho:1200px; --r:12px; --r-g:22px; --alto-cab:84px;
  --sombra:0 28px 70px -28px rgba(6,28,41,.45),0 2px 8px rgba(6,28,41,.06);
  --sombra-s:0 14px 34px -18px rgba(6,28,41,.35);
}

*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--fuente);font-size:17px;line-height:1.62;color:var(--texto);background:var(--blanco);font-stretch:100%;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:var(--celda);text-underline-offset:3px;text-decoration-thickness:1.5px}
:focus-visible{outline:3px solid var(--sol);outline-offset:3px;border-radius:4px}
[id]{scroll-margin-top:calc(var(--alto-cab) + 20px)}
.contenedor{width:100%;max-width:var(--ancho);margin:0 auto;padding:0 28px}

h1,h2,h3{color:var(--tinta);text-wrap:balance}
h1{font-size:clamp(2.2rem,4.2vw,3.5rem);font-weight:720;font-stretch:118%;line-height:1.04;letter-spacing:-.022em}
h2{font-size:clamp(1.75rem,3.1vw,2.6rem);font-weight:700;font-stretch:114%;line-height:1.09;letter-spacing:-.018em;max-width:22ch}
h3{font-size:1.24rem;font-weight:660;font-stretch:108%;line-height:1.22;letter-spacing:-.005em}
p{max-width:66ch}
strong{font-weight:680}
.entrada{font-size:1.16rem;line-height:1.55;color:var(--sutil);margin-top:1.1rem;max-width:58ch}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.saltar{position:absolute;left:-999px;top:10px;background:var(--sol);color:var(--noche);padding:10px 16px;z-index:100;border-radius:8px;font-weight:700}
.saltar:focus{left:10px}
.icono{width:24px;height:24px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- secciones ---------- */
.salto{padding:112px 0}
.brisa{background:var(--brisa)}
.titulo-seccion{max-width:760px;margin-bottom:52px}
.dos{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:72px;align-items:start}
.dos.parejo{grid-template-columns:1fr 1fr}

/* ---------- botones ---------- */
.boton{display:inline-flex;align-items:center;justify-content:center;gap:10px;text-align:center;padding:17px 28px;border-radius:999px;border:0;background:var(--sol);color:var(--noche);font:700 1.02rem/1.1 var(--fuente);font-stretch:106%;text-decoration:none;cursor:pointer;box-shadow:0 14px 28px -14px rgba(230,98,49,.85);transition:transform .15s ease,background .2s ease,box-shadow .2s ease}
.boton:hover{background:#F47A49;transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(230,98,49,.9)}
.boton:active{transform:translateY(0)}
.boton .icono{width:20px;height:20px;stroke-width:2.2}
.boton.fantasma{background:rgba(255,255,255,.1);color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.6);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.boton.fantasma:hover{background:rgba(255,255,255,.2);box-shadow:inset 0 0 0 1.5px #fff}
.boton.linea{background:transparent;color:var(--tinta);box-shadow:inset 0 0 0 1.5px var(--tinta)}
.boton.linea:hover{background:var(--tinta);color:#fff}
.boton.pequeno{padding:13px 22px;font-size:.95rem}
.boton.ancho{width:100%}
.boton[disabled]{opacity:.6;cursor:wait;transform:none}
.acciones{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-top:2.2rem}
.enlace{display:inline-flex;align-items:center;gap:8px;font-weight:650;color:var(--tinta);text-decoration:none;border-bottom:2px solid var(--sol);padding-bottom:3px}
.enlace:hover{color:var(--sol-osc)}
.enlace .icono{width:18px;height:18px;stroke-width:2.2;transition:transform .2s}
.enlace:hover .icono{transform:translateX(4px)}

/* ---------- cabecera ---------- */
.cabecera{position:fixed;inset:0 0 auto 0;z-index:60;transition:background .25s ease,box-shadow .25s ease}
.barra{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--alto-cab)}
.marca{display:block;flex:none}
.marca img{height:48px;width:auto}
.marca .logo-oscuro{display:none}
.nav{display:flex;align-items:center;gap:30px}
.menu{display:flex;align-items:center;gap:26px;list-style:none}
.menu a{position:relative;display:block;padding:8px 0;color:#fff;text-decoration:none;font-weight:560;font-size:.97rem}
.menu a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--sol);transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
.menu a:hover::after,.menu a[aria-current=page]::after{transform:scaleX(1)}
.boton-menu{display:none;place-items:center;width:48px;height:48px;border:0;border-radius:12px;background:rgba(255,255,255,.12);color:#fff;cursor:pointer}
.boton-menu .icono{width:26px;height:26px}
.boton-menu .cerrar{display:none}
.cabecera.fija,.sin-portada .cabecera{background:rgba(255,255,255,.94);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--linea),0 10px 30px -22px rgba(6,28,41,.5)}
.cabecera.fija .logo-claro,.sin-portada .cabecera .logo-claro{display:none}
.cabecera.fija .logo-oscuro,.sin-portada .cabecera .logo-oscuro{display:block}
.cabecera.fija .menu a,.sin-portada .cabecera .menu a{color:var(--tinta)}
.cabecera.fija .boton-menu,.sin-portada .cabecera .boton-menu{background:var(--brisa);color:var(--tinta)}
.sin-portada main{padding-top:var(--alto-cab)}

/* ---------- fondos fotográficos ---------- */
.con-foto{position:relative;isolation:isolate;overflow:hidden;background:var(--noche);color:#D3DEE5}
.con-foto .fondo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.con-foto .velo{position:absolute;inset:0;z-index:-1}
.con-foto h1,.con-foto h2,.con-foto h3{color:#fff}
.con-foto .entrada{color:#D3DEE5}

/* ---------- portada (inicio) ---------- */
.portada{padding:calc(var(--alto-cab) + 64px) 0 150px}
.portada .fondo{object-position:72% 30%;animation:deriva 26s ease-out both}
@keyframes deriva{from{transform:scale(1.07)}to{transform:scale(1)}}
.portada .velo{background:
  linear-gradient(90deg,rgba(6,28,41,.93) 0%,rgba(6,28,41,.8) 34%,rgba(6,28,41,.32) 64%,rgba(6,28,41,.12) 100%),
  linear-gradient(180deg,rgba(6,28,41,.7) 0,rgba(6,28,41,0) 24%),
  linear-gradient(0deg,rgba(6,28,41,.7) 0,rgba(6,28,41,0) 30%)}
.portada-rejilla{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:64px;align-items:center}
.portada h1{font-size:clamp(2.3rem,4.25vw,3.7rem);max-width:15ch}
.portada .entrada{font-size:1.2rem;max-width:50ch}
.sellos{display:flex;flex-wrap:wrap;gap:10px 22px;list-style:none;margin-top:2.4rem;font-size:.93rem;color:#C5D3DB}
.sellos li{display:flex;align-items:center;gap:8px}
.sellos .icono{width:18px;height:18px;color:var(--sol-claro);stroke-width:2.4}

/* calculadora de la portada */
.calc{background:rgba(7,30,44,.62);-webkit-backdrop-filter:blur(20px) saturate(150%);backdrop-filter:blur(20px) saturate(150%);border:1px solid rgba(255,255,255,.2);border-radius:26px;padding:30px;color:#D3DEE5;box-shadow:0 40px 90px -40px rgba(0,0,0,.75)}
.calc-cab{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.calc-cab h2{font-size:1.4rem;max-width:none}
.calc-cab p{font-size:.86rem;color:#A9BBC6}
.calc-campos{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px}
.calc .campo{display:grid;gap:7px;font-size:.86rem;font-weight:600;color:#C5D3DB}
.calc .campo.ancho{grid-column:1 / -1}
.calc input[type=number],.calc select{width:100%;font:560 1.02rem/1.2 var(--fuente);padding:13px 14px;border-radius:var(--r);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;font-variant-numeric:tabular-nums}
.calc select{appearance:none;-webkit-appearance:none;padding-right:38px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:18px}
.calc select option{color:var(--tinta);background:#fff}
.calc input:focus,.calc select:focus{outline:2px solid var(--sol-claro);outline-offset:1px;border-color:transparent}
.con-unidad{position:relative;display:block}
.con-unidad i{position:absolute;top:50%;transform:translateY(-50%);font-style:normal;font-weight:600;font-size:.9rem;color:#A9BBC6;pointer-events:none}
.con-unidad.der i{right:14px}
.con-unidad.der input{padding-right:56px}
.con-unidad.izq i{left:14px}
.con-unidad.izq input{padding-left:30px}
.calc input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:22px;background:transparent;cursor:pointer}
.calc input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:4px;background:rgba(255,255,255,.28)}
.calc input[type=range]::-moz-range-track{height:4px;border-radius:4px;background:rgba(255,255,255,.28)}
.calc input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;margin-top:-8px;border-radius:50%;background:var(--sol);border:3px solid #fff;box-shadow:0 2px 8px rgba(0,0,0,.4)}
.calc input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--sol);border:3px solid #fff;box-shadow:0 2px 8px rgba(0,0,0,.4)}
.calc .ayuda{font-weight:400;font-size:.8rem;color:#A9BBC6}
.calc-res{margin:20px 0 18px;padding:20px 22px;border-radius:18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14)}
.calc-kwp{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.calc-kwp strong{font-size:3.1rem;font-weight:740;font-stretch:118%;line-height:1;color:#fff;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.calc-kwp span{font-size:.95rem;color:#C5D3DB}
.calc-res dl{display:grid;grid-template-columns:1fr 1fr;gap:14px 20px;margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14)}
.calc-res dt{font-size:.8rem;color:#A9BBC6}
.calc-res dd{font-size:1.14rem;font-weight:660;color:#fff;font-variant-numeric:tabular-nums}
.calc-res .destacado dd{color:var(--sol-claro)}
.calc-nota{margin-top:14px;font-size:.78rem;line-height:1.45;color:#A9BBC6;max-width:none}

/* datos bajo la portada */
.datos{position:relative;z-index:5;margin-top:-84px}
.datos ul{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:var(--r-g);box-shadow:var(--sombra)}
.datos li{padding:30px 28px 30px;position:relative}
.datos li+li::before{content:"";position:absolute;left:0;top:26px;bottom:26px;width:1px;background:var(--linea)}
.datos .icono{width:30px;height:30px;color:var(--sol);margin-bottom:14px}
.datos strong{display:block;font-size:1.1rem;font-stretch:108%;line-height:1.25;color:var(--tinta)}
.datos span{display:block;margin-top:6px;font-size:.9rem;line-height:1.5;color:var(--sutil)}

/* ---------- tarjetas con fotografía ---------- */
.fototarjetas{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.fototarjeta{position:relative;isolation:isolate;display:flex;flex-direction:column;justify-content:flex-end;min-height:500px;padding:30px;border-radius:var(--r-g);overflow:hidden;color:#DDE6EC;text-decoration:none;background:var(--tinta);box-shadow:var(--sombra-s)}
.fototarjeta img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .7s cubic-bezier(.2,.7,.2,1)}
.fototarjeta::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(6,28,41,.05) 20%,rgba(6,28,41,.72) 62%,rgba(6,28,41,.95) 100%)}
.fototarjeta:hover img{transform:scale(1.06)}
.fototarjeta .etiqueta{align-self:flex-start;margin-bottom:auto;padding:7px 14px;border-radius:999px;background:rgba(6,28,41,.55);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.25);color:#fff;font-size:.85rem;font-weight:620}
.fototarjeta h3{color:#fff;font-size:1.55rem;margin-bottom:.5rem}
.fototarjeta p{font-size:.98rem;line-height:1.5}
.fototarjeta .ir{display:inline-flex;align-items:center;gap:10px;margin-top:20px;color:#fff;font-weight:680;font-size:.97rem}
.fototarjeta .ir i{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--sol);color:var(--noche);transition:transform .2s ease}
.fototarjeta .ir .icono{width:18px;height:18px;stroke-width:2.4}
.fototarjeta:hover .ir i{transform:translateX(5px)}

/* ---------- sección oscura con la curva solar ---------- */
.oscuro{background:var(--tinta);color:#C9D6DE}
.oscuro h2,.oscuro h3{color:#fff}
.oscuro .entrada{color:#A9BBC6}
.ahorro{position:relative;overflow:hidden;background:
  radial-gradient(52% 70% at 92% 4%,rgba(230,98,49,.3),rgba(230,98,49,0) 62%),
  linear-gradient(180deg,var(--tinta),var(--noche))}
.momentos{list-style:none;display:grid;gap:24px;margin-top:38px}
.momentos li{display:grid;grid-template-columns:48px 1fr;gap:18px;align-items:start}
.momentos .ic{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:var(--sol-claro)}
.momentos strong{display:block;color:#fff;font-size:1.08rem;font-stretch:106%}
.momentos p{font-size:.98rem;margin-top:2px}
.curva{border-radius:var(--r-g);padding:26px 26px 18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);box-shadow:0 40px 80px -40px rgba(0,0,0,.6)}
.curva svg{width:100%;height:auto}
.curva figcaption{font-size:.84rem;color:#A9BBC6;margin-top:10px}
.curva .sol{stroke-dasharray:900;stroke-dashoffset:900;animation:traza 2.4s ease-out .2s forwards}
@keyframes traza{to{stroke-dashoffset:0}}

/* ---------- proceso (secuencia real) ---------- */
.proceso-rejilla{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:72px;align-items:start}
.proceso-foto{position:sticky;top:calc(var(--alto-cab) + 28px)}
.proceso-foto img{width:100%;aspect-ratio:4 / 5;object-fit:cover;border-radius:var(--r-g);box-shadow:var(--sombra)}
.sello{position:absolute;left:-22px;bottom:34px;max-width:270px;padding:20px 22px;border-radius:18px;background:#fff;box-shadow:var(--sombra)}
.sello strong{display:block;color:var(--tinta);font-size:1.08rem;font-stretch:108%;line-height:1.25}
.sello span{display:block;margin-top:4px;font-size:.9rem;line-height:1.45;color:var(--sutil)}
.sello::before{content:"";display:block;width:36px;height:4px;border-radius:4px;background:var(--sol);margin-bottom:12px}
.pasos{list-style:none;counter-reset:paso;margin:44px 0 40px;display:grid;gap:0}
.pasos li{counter-increment:paso;position:relative;padding:0 0 34px 76px}
.pasos li::before{content:counter(paso);position:absolute;left:0;top:-4px;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--tinta);font-weight:740;font-size:1.15rem;font-stretch:112%;box-shadow:0 0 0 1.5px var(--linea),var(--sombra-s)}
.pasos li::after{content:"";position:absolute;left:23px;top:50px;bottom:2px;width:2px;background:linear-gradient(var(--linea),var(--linea))}
.pasos li:last-child{padding-bottom:0}
.pasos li:last-child::after{display:none}
.pasos h3{margin-bottom:.35rem}
.pasos p{font-size:.99rem}
.doc{display:inline-flex;align-items:center;gap:8px;margin-top:.7rem;padding:6px 12px;border-radius:999px;background:#fff;border:1px solid var(--linea);font-size:.84rem;font-weight:600;color:var(--celda)}
.doc .icono{width:16px;height:16px}

/* ---------- banda con foto y tarjetas de vidrio ---------- */
.banda{padding:112px 0}
.banda .velo{background:linear-gradient(180deg,rgba(6,28,41,.86),rgba(6,28,41,.74) 50%,rgba(6,28,41,.9))}
.vidrios{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:44px}
.vidrio{padding:30px 28px;border-radius:var(--r-g);background:rgba(255,255,255,.08);-webkit-backdrop-filter:blur(16px) saturate(140%);backdrop-filter:blur(16px) saturate(140%);border:1px solid rgba(255,255,255,.18)}
.vidrio .ic{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:var(--sol);color:var(--noche);margin-bottom:20px}
.vidrio .caso{display:block;font-size:.88rem;font-weight:620;color:var(--sol-claro);margin-bottom:6px}
.vidrio h3{font-size:1.32rem;margin-bottom:.55rem}
.vidrio p{font-size:.98rem;color:#D3DEE5}

/* ---------- claves (lista con iconos) ---------- */
.claves{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:22px}
.claves li{padding:28px;border-radius:var(--r-g);background:#fff;box-shadow:var(--sombra-s)}
.claves .ic,.ficha .ic{display:grid;place-items:center;width:50px;height:50px;border-radius:15px;background:#FDEBE2;color:var(--sol-osc);margin-bottom:18px}
.claves strong{display:block;color:var(--tinta);font-size:1.1rem;font-stretch:107%;line-height:1.25;margin-bottom:6px}
.claves p{font-size:.97rem}

/* ---------- fichas (tarjetas de contenido) ---------- */
.fichas{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.fichas.tres{grid-template-columns:repeat(3,1fr)}
.fichas.dos-col{grid-template-columns:repeat(2,1fr)}
.ficha{padding:28px 26px;border-radius:var(--r-g);background:#fff;border:1px solid var(--linea)}
.brisa .ficha{border-color:transparent;box-shadow:var(--sombra-s)}
.ficha .tam{display:block;font-size:.85rem;font-weight:640;color:var(--sol-osc);margin-bottom:4px}
.ficha h3{margin-bottom:.5rem}
.ficha p{font-size:.97rem}
.ficha ul{margin:.6rem 0 0 1.1rem;font-size:.97rem}
.ficha li{margin-top:.3rem}

/* ---------- listas, tablas y notas ---------- */
.lista{list-style:none;display:grid;gap:0}
.lista li{position:relative;padding:15px 0 15px 40px;border-top:1px solid var(--linea)}
.lista li:first-child{border-top:0;padding-top:4px}
.lista li::before{content:"";position:absolute;left:0;top:17px;width:24px;height:24px;border-radius:50%;background:#FDEBE2 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23B4441A' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6.500 12.500 3.500 3.500 7.500-8'/%3E%3C/svg%3E") center/15px no-repeat}
.lista li:first-child::before{top:6px}
.oscuro .lista li,.con-foto .lista li{border-top-color:rgba(255,255,255,.16)}
.tabla{width:100%;border-collapse:separate;border-spacing:0;font-size:.98rem;background:#fff;border-radius:var(--r-g);overflow:hidden;box-shadow:var(--sombra-s)}
.tabla th,.tabla td{text-align:left;vertical-align:top;padding:20px 24px;border-top:1px solid var(--linea)}
.tabla tr:first-child th,.tabla tr:first-child td{border-top:0}
.tabla th{width:32%;color:var(--tinta);font-weight:660;font-stretch:106%}
.tabla thead th{background:var(--tinta);color:#fff;font-size:.9rem;width:auto}
.tabla.cifras td,.tabla.cifras th{font-variant-numeric:tabular-nums}
.envoltura-tabla{overflow-x:auto;border-radius:var(--r-g)}
.nota{display:grid;grid-template-columns:24px 1fr;gap:14px;margin-top:28px;padding:20px 22px;border-radius:16px;background:#FDEBE2;color:#5A2A12;font-size:.95rem}
.nota .icono{color:var(--sol-osc)}
.nota.azul{background:#E3EEF5;color:var(--tinta)}
.nota.azul .icono{color:var(--celda)}
.foto-lado{position:relative}
.foto-lado img{width:100%;aspect-ratio:4 / 3;object-fit:cover;border-radius:var(--r-g);box-shadow:var(--sombra)}
.foto-lado.alta img{aspect-ratio:4 / 5}
.foto-franja img{width:100%;aspect-ratio:21 / 6;object-fit:cover;border-radius:var(--r-g);box-shadow:var(--sombra)}

/* ---------- encabezado de páginas internas ---------- */
.encabezado{padding:calc(var(--alto-cab) + 84px) 0 96px}
.encabezado .velo{background:
  linear-gradient(90deg,rgba(6,28,41,.94) 0%,rgba(6,28,41,.78) 46%,rgba(6,28,41,.34) 100%),
  linear-gradient(180deg,rgba(6,28,41,.72) 0,rgba(6,28,41,0) 30%)}
.encabezado h1{max-width:19ch}
.encabezado .entrada{font-size:1.18rem;max-width:60ch}
.encabezado.corto{padding-bottom:150px}
.encabezado.plano{background:var(--tinta);padding:calc(var(--alto-cab) + 64px) 0 72px}
.migas{display:flex;flex-wrap:wrap;gap:8px;font-size:.88rem;margin-bottom:22px;color:#A9BBC6}
.migas a{color:#D3DEE5;text-decoration:none}
.migas a:hover{text-decoration:underline}
.cinta{position:relative;z-index:5;margin-top:-64px}
.cinta ul{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);background:#fff;border-radius:var(--r-g);box-shadow:var(--sombra)}
.cinta li{padding:28px;position:relative}
.cinta li+li::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:1px;background:var(--linea)}
.cinta strong{display:block;color:var(--tinta);font-size:1.12rem;font-stretch:108%;line-height:1.25}
.cinta span{display:block;margin-top:6px;font-size:.9rem;line-height:1.5;color:var(--sutil)}

/* ---------- preguntas ---------- */
.preguntas{display:grid;gap:12px}
.preguntas details{border-radius:18px;background:#fff;border:1px solid var(--linea);transition:box-shadow .2s ease,border-color .2s ease}
.brisa .preguntas details{border-color:transparent;box-shadow:var(--sombra-s)}
.preguntas details[open]{box-shadow:var(--sombra-s);border-color:transparent}
.preguntas summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 24px;cursor:pointer;font-weight:660;font-stretch:106%;font-size:1.08rem;line-height:1.3;color:var(--tinta)}
.preguntas summary::-webkit-details-marker{display:none}
.preguntas summary::after{content:"";flex:none;width:32px;height:32px;border-radius:50%;background:var(--brisa) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230B293B' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 6v12M6 12h12'/%3E%3C/svg%3E") center/16px no-repeat;transition:transform .25s ease,background-color .2s}
.preguntas details[open] summary::after{transform:rotate(45deg);background-color:#FDEBE2}
.preguntas details p{padding:0 24px 24px;max-width:70ch}
.grupo-preguntas+.grupo-preguntas{margin-top:56px}
.grupo-preguntas h2{font-size:1.5rem;margin-bottom:20px}

/* ---------- contacto: el formulario vive dentro del encabezado, a la altura del título ---------- */
.contacto-cab{padding:calc(var(--alto-cab) + 56px) 0 96px}
.contacto-rejilla{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);grid-template-rows:auto 1fr;gap:52px 64px;align-items:start}
.contacto-titulo{grid-column:1;grid-row:1}
.contacto-despues{grid-column:1;grid-row:2;align-self:stretch;display:flex;flex-direction:column}
.contacto-despues h2{font-size:1.5rem;max-width:none}
.formulario{grid-column:2;grid-row:1 / span 2;display:grid;gap:18px;padding:38px;border-radius:26px;background:#fff;color:var(--texto);box-shadow:0 44px 90px -44px rgba(0,0,0,.8),0 2px 8px rgba(6,28,41,.12)}
.con-foto .formulario h2{font-size:1.5rem;max-width:none;color:var(--tinta)}
.formulario .fila{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:end}
.formulario label{display:grid;gap:8px;font-weight:640;font-size:.92rem;color:var(--tinta)}
.formulario label small{font-weight:400;color:var(--sutil);font-size:.84rem}
.formulario .ayuda{align-self:end;display:flex;align-items:center;min-height:52px;max-width:none;padding:8px 14px;border-radius:var(--r);background:var(--brisa);font-size:.8rem;line-height:1.35;color:var(--sutil)}
.formulario input:not([type=checkbox]),.formulario select,.formulario textarea{width:100%;font:400 1rem/1.4 var(--fuente);padding:14px 15px;border-radius:var(--r);border:1.5px solid var(--linea);background:#fff;color:var(--tinta);transition:border-color .15s ease,box-shadow .15s ease}
.formulario select{appearance:none;-webkit-appearance:none;padding-right:40px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230B293B' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") right 13px center/18px no-repeat}
.formulario input:not([type=checkbox]):focus,.formulario select:focus,.formulario textarea:focus{outline:none;border-color:var(--celda);box-shadow:0 0 0 4px rgba(29,79,115,.16)}
.formulario textarea{resize:vertical;min-height:96px}
.casilla{display:grid!important;grid-template-columns:26px 1fr;gap:14px!important;align-items:start;padding:18px;border-radius:16px;background:var(--brisa);font-weight:400!important;font-size:.9rem!important;line-height:1.5;color:var(--texto)!important}
.casilla input{appearance:none;-webkit-appearance:none;width:26px;height:26px;margin:0;border-radius:8px;border:2px solid var(--celda);background:#fff;cursor:pointer;display:grid;place-items:center}
.casilla input:checked{background:var(--tinta) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5.500 12.500 4.500 4.500L18.500 7.500'/%3E%3C/svg%3E") center/17px no-repeat;border-color:var(--tinta)}
.casilla.falta{box-shadow:0 0 0 2px #C0392B}
.privacidad-aviso{font-size:.82rem;line-height:1.5;color:var(--sutil);max-width:none}
.aviso{display:none;padding:15px 18px;border-radius:14px;font-size:.95rem;max-width:none}
.aviso.error{display:block;background:#FDECEA;color:#7D2C24}
.aviso.info{display:block;background:#E3EEF5;color:var(--tinta)}
.aviso.exito{display:block;background:#E4F3EA;color:#1D5B3A}
.aviso a{display:inline-block;margin-top:8px;font-weight:680;color:inherit}
.aviso span{display:block;margin-top:4px;font-size:.88rem}
.despues{list-style:none;counter-reset:d;display:grid;gap:24px;margin:24px 0 36px}
.despues li{counter-increment:d;display:grid;grid-template-columns:36px 1fr;gap:16px;align-items:start;font-size:.98rem}
.despues li::before{content:counter(d);display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.3);color:#fff;font-weight:700;font-size:.95rem}
.despues strong{display:block;color:#fff;font-size:1.04rem}
.correo-directo{display:flex;align-items:center;gap:14px;margin-top:auto;padding:20px 22px;border-radius:18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.correo-directo .icono{width:28px;height:28px;color:var(--sol-claro)}
.correo-directo a{font-weight:680;color:#fff;word-break:break-word}

/* ---------- cierre con foto ---------- */
.cierre{padding:104px 0}
.cierre .velo{background:linear-gradient(90deg,rgba(6,28,41,.93) 0%,rgba(6,28,41,.72) 55%,rgba(6,28,41,.4) 100%)}
.cierre-rejilla{display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap}
.cierre h2{max-width:20ch}
.cierre p{margin-top:.8rem;font-size:1.1rem;max-width:46ch}
.cierre .acciones{margin-top:0;flex-direction:column;align-items:flex-start}
.enlace-claro{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:600;text-decoration:none;border-bottom:1.5px solid rgba(255,255,255,.5);padding-bottom:2px}
.enlace-claro:hover{border-bottom-color:#fff}
.enlace-claro .icono{width:20px;height:20px}

/* ---------- legal ---------- */
.legal{max-width:800px}
.legal h2{font-size:1.4rem;margin:2.6rem 0 .6rem;max-width:none}
.legal h2:first-child{margin-top:0}
.legal p,.legal li{margin-top:.6rem;max-width:72ch}
.legal ul{padding-left:22px}
.legal .tabla{margin-top:1.2rem;font-size:.94rem}
.legal .tabla th{width:26%}
.creditos{font-size:.92rem}
.pendiente{background:#FBF3CF;border-bottom:1.5px dashed #7A5300;padding:0 4px}

/* ---------- pie ---------- */
.pie{position:relative;background:var(--noche);color:#A9BBC6;padding:84px 0 34px;font-size:.94rem}
.pie-rejilla{position:relative;display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:48px}
.pie-marca img{height:52px;width:auto;margin-bottom:20px}
.pie-marca p{max-width:36ch}
.pie-dato{display:flex;align-items:center;gap:10px;margin-top:14px;color:#D3DEE5}
.pie-dato .icono{width:20px;height:20px;color:var(--sol-claro)}
.pie-titulo{color:#fff;font-size:.98rem;font-weight:660;font-stretch:106%;margin-bottom:16px;letter-spacing:0}
.pie ul{list-style:none;display:grid;gap:10px}
.pie a{color:#C9D6DE;text-decoration:none}
.pie a:hover{color:#fff;text-decoration:underline}
.legales{position:relative;display:flex;justify-content:space-between;gap:16px 28px;flex-wrap:wrap;margin-top:60px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);font-size:.85rem}
.legales nav{display:flex;gap:8px 24px;flex-wrap:wrap}

/* ---------- submenú ---------- */
.con-sub{position:relative}
.menu .cuna{display:inline-block;width:14px;height:14px;margin-left:5px;vertical-align:-1px;stroke-width:2.6;transition:transform .2s ease}
.con-sub:hover .cuna,.con-sub:focus-within .cuna{transform:rotate(180deg)}
.sub{position:absolute;top:100%;left:-18px;min-width:250px;list-style:none;padding:10px;border-radius:18px;background:#fff;box-shadow:var(--sombra);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .18s ease,transform .18s ease,visibility .18s}
.con-sub:hover .sub,.con-sub:focus-within .sub{opacity:1;visibility:visible;transform:none}
.menu .sub a{color:var(--tinta);padding:11px 14px;border-radius:10px;font-weight:560}
.menu .sub a::after{display:none}
.menu .sub a:hover{background:var(--brisa)}

/* ---------- mosaico de servicios ---------- */
.mosaico{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.mosaico .principal{grid-column:span 2;grid-row:span 2;min-height:580px}
.mosaico .principal h3{font-size:1.9rem}
.mosaico .principal p{font-size:1.05rem;max-width:44ch}
.servicio{display:flex;flex-direction:column;padding:28px 26px;border-radius:var(--r-g);background:#fff;border:1px solid var(--linea);color:var(--texto);text-decoration:none;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.servicio:hover{transform:translateY(-4px);box-shadow:var(--sombra);border-color:transparent}
.servicio .ic{display:grid;place-items:center;width:50px;height:50px;border-radius:15px;background:#FDEBE2;color:var(--sol-osc);margin-bottom:18px}
.servicio h3{margin-bottom:.5rem}
.servicio p{font-size:.96rem}
.servicio .mas{display:inline-flex;align-items:center;gap:8px;margin-top:auto;padding-top:20px;font-weight:680;font-size:.95rem;color:var(--tinta)}
.servicio .mas .icono{width:18px;height:18px;stroke-width:2.2;color:var(--sol-osc);transition:transform .2s ease}
.servicio:hover .mas .icono{transform:translateX(4px)}

/* ---------- cobertura ---------- */
.panel-cobertura{padding:12px 28px 24px}
.brisa .panel-cobertura,.panel-cobertura{box-shadow:var(--sombra-s);border-color:transparent}
.cobertura-lista{list-style:none}
.cobertura-lista li{display:grid;grid-template-columns:minmax(0,1fr) 150px;gap:18px;align-items:center;padding:14px 0;border-top:1px solid var(--linea);margin:0}
.cobertura-lista li:first-child{border-top:0}
.cob-nombre strong{display:block;color:var(--tinta);font-size:1.05rem;font-stretch:106%;line-height:1.25}
.cob-nombre strong a{color:inherit;text-decoration-color:var(--sol)}
.cob-nombre span{display:block;font-size:.83rem;color:var(--sutil)}
.cob-valor{display:grid;gap:6px}
.cob-valor strong{font-size:1.22rem;font-weight:720;font-stretch:112%;color:var(--tinta);font-variant-numeric:tabular-nums;text-align:right;line-height:1}
.medida{display:block;height:7px;border-radius:7px;background:var(--brisa);overflow:hidden}
.medida i{display:block;height:100%;border-radius:7px;background:linear-gradient(90deg,#F4A261,var(--sol))}
.cob-fuente{margin-top:14px;font-size:.83rem;color:var(--sutil)}
.acciones.apiladas{flex-direction:column;align-items:flex-start;gap:16px}
.acciones.ciudades{display:grid;grid-template-columns:repeat(2,max-content);justify-content:start;justify-items:start;gap:14px 36px}
.acciones.ciudades .enlace{font-size:.97rem}

/* ---------- variantes ---------- */
.contenedor.estrecho{max-width:900px}
.ficha.grande{padding:36px}
.ficha.grande h3{font-size:1.5rem}
.ficha.grande p{font-size:1.02rem}
.pasos.compactos{margin:0}
.encabezado.plano{color:#D3DEE5}
.encabezado.plano h1{color:#fff}
.encabezado.plano .entrada{color:#D3DEE5}
.sin-portada .encabezado.plano{padding:64px 0 60px}

/* ---------- ciudades en el pie ---------- */
.pie-ciudades{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 22px;margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14)}
.pie-ciudades>span{color:#fff;font-weight:660;font-stretch:106%}
.pie-ciudades ul{display:flex;flex-wrap:wrap;gap:8px 22px}
.pie-ciudades+.legales{margin-top:24px}

/* ---------- WhatsApp: solo aparece si build.py tiene el número de la empresa ---------- */
.wa-flotante{position:fixed;right:22px;bottom:22px;z-index:55;display:inline-flex;align-items:center;gap:10px;padding:13px 20px 13px 16px;border-radius:999px;background:#fff;color:var(--tinta);font:700 .98rem/1 var(--fuente);font-stretch:106%;text-decoration:none;box-shadow:0 18px 40px -16px rgba(6,28,41,.6),0 0 0 1px var(--linea);transition:transform .15s ease,box-shadow .2s ease,opacity .2s ease}
.wa-flotante .icono{width:22px;height:22px;color:#128C7E;stroke-width:2.1}
.wa-flotante:hover{transform:translateY(-2px);box-shadow:0 22px 44px -16px rgba(6,28,41,.65),0 0 0 1px var(--celda)}
.correo-directo+.correo-directo{margin-top:12px}
/* el botón no tapa los enlaces legales del pie ni el campo que se está llenando */
body:has(.wa-flotante) .pie{padding-bottom:96px}
body:has(#form-contacto :focus) .wa-flotante{opacity:0;pointer-events:none}
@media (max-width:640px){.wa-flotante{right:14px;bottom:14px;padding:12px 16px 12px 13px;font-size:.92rem}}
@media print{.wa-flotante{display:none}}
@media (max-width:640px){.acciones.ciudades{grid-template-columns:1fr}}

/* ---------- adaptación ---------- */
@media (max-width:1100px){
  :root{--alto-cab:72px}
  .boton-menu{display:grid}
  .nav{position:fixed;inset:var(--alto-cab) 0 0 0;display:none;flex-direction:column;align-items:stretch;gap:26px;padding:20px 28px 40px;background:var(--noche);overflow-y:auto}
  .menu-abierto .nav{display:flex}
  .menu-abierto{overflow:hidden}
  .menu-abierto .cabecera{background:var(--noche);box-shadow:none}
  .menu-abierto .cabecera .logo-claro{display:block}
  .menu-abierto .cabecera .logo-oscuro{display:none}
  .menu-abierto .boton-menu{background:rgba(255,255,255,.12);color:#fff}
  .menu-abierto .boton-menu .abrir{display:none}
  .menu-abierto .boton-menu .cerrar{display:block}
  .menu{flex-direction:column;align-items:stretch;gap:0}
  .menu a,.cabecera.fija .menu a,.sin-portada .cabecera .menu a{color:#fff;font-size:1.25rem;font-stretch:110%;font-weight:640;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.12)}
  .menu a::after{display:none}
  .menu .cuna{display:none}
  .sub{position:static;min-width:0;padding:4px 0 10px 18px;border-radius:0;background:transparent;box-shadow:none;opacity:1;visibility:visible;transform:none}
  .menu .sub a,.cabecera.fija .menu .sub a,.sin-portada .cabecera .menu .sub a{color:#C9D6DE;font-size:1.04rem;font-stretch:100%;font-weight:500;padding:9px 0;border-bottom:0}
  .menu .sub a:hover{background:transparent;color:#fff}
  .datos ul{grid-template-columns:1fr 1fr}
  .datos li:nth-child(3)::before{display:none}
  .datos li:nth-child(n+3){border-top:1px solid var(--linea)}
  .fichas{grid-template-columns:1fr 1fr}
  .mosaico{grid-template-columns:1fr 1fr}
  .mosaico .principal{grid-row:auto;min-height:440px}
}
@media (max-width:980px){
  .portada{padding-bottom:130px}
  .portada-rejilla{grid-template-columns:1fr;gap:44px}
  .portada .velo{background:linear-gradient(180deg,rgba(6,28,41,.84) 0%,rgba(6,28,41,.58) 42%,rgba(6,28,41,.8) 100%)}
  .portada .fondo{object-position:78% 20%}
  .dos,.dos.parejo,.proceso-rejilla{grid-template-columns:1fr;gap:44px}
  .contacto-rejilla{grid-template-columns:1fr;grid-template-rows:none;gap:36px}
  .contacto-titulo,.contacto-despues,.formulario{grid-column:auto;grid-row:auto}
  .contacto-cab{padding-bottom:72px}
  .contacto-cab .fondo{height:640px}
  .contacto-cab .velo{background:linear-gradient(180deg,rgba(6,28,41,.88) 0,rgba(6,28,41,.66) 260px,var(--noche) 640px)}
  .correo-directo{margin-top:0}
  .proceso-foto{position:relative;top:auto}
  .proceso-foto img{aspect-ratio:16 / 10}
  .sello{left:18px;bottom:18px}
  .fototarjetas,.vidrios,.fichas.tres{grid-template-columns:1fr}
  .fototarjeta{min-height:400px}
  .encabezado.corto{padding-bottom:110px}
  .pie-rejilla{grid-template-columns:1fr 1fr}
  .cinta ul{grid-template-columns:1fr}
  .cinta li+li::before{left:24px;right:24px;top:0;bottom:auto;width:auto;height:1px}
}
@media (max-width:640px){
  body{font-size:16px}
  .contenedor{padding:0 20px}
  .salto,.banda{padding:76px 0}
  .cierre{padding:76px 0}
  .titulo-seccion{margin-bottom:36px}
  .marca img{height:40px}
  .portada{padding-top:calc(var(--alto-cab) + 36px)}
  .calc{padding:22px;border-radius:22px}
  .calc-kwp strong{font-size:2.6rem}
  .datos{margin-top:-70px}
  .datos ul,.claves,.fichas,.fichas.dos-col,.formulario .fila,.pie-rejilla,.mosaico{grid-template-columns:1fr}
  .mosaico .principal{grid-column:auto;min-height:420px}
  .datos li{padding:24px 22px}
  .datos li+li::before{display:none}
  .datos li+li{border-top:1px solid var(--linea)}
  .encabezado{padding:calc(var(--alto-cab) + 48px) 0 64px}
  .encabezado.corto{padding-bottom:100px}
  .contacto-cab{padding:calc(var(--alto-cab) + 40px) 0 56px}
  .formulario{padding:24px;border-radius:22px}
  .formulario .ayuda{margin-top:-8px;min-height:0}
  .tabla th,.tabla td{padding:16px 18px}
  .tabla:not(.cifras) th,.tabla:not(.cifras) td{display:block;width:100%}
  .tabla:not(.cifras) td{border-top:0;padding-top:0}
  .pasos li{padding-left:64px}
  .sello{position:static;max-width:none;margin-top:14px;box-shadow:var(--sombra-s)}
  .foto-franja img{aspect-ratio:16 / 9}
  .panel-cobertura{padding:8px 20px 20px}
  .cobertura-lista li{grid-template-columns:minmax(0,1fr) 104px;gap:12px}
  .cierre .acciones{width:100%}
  .cierre .boton{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .curva .sol{stroke-dashoffset:0}
  html{scroll-behavior:auto}
}