/* =========================================================
   Electro Air — Hoja de estilos principal
   Aire acondicionado, ventilación y electromecánica en Tijuana
   Paleta tomada del logotipo: azul eléctrico + rojo + cian frío
   ========================================================= */

:root{
  --azul-950:#04102B;
  --azul-900:#061A44;
  --azul-800:#0A2A6B;
  --azul-700:#0B3FA8;
  --azul-600:#1657D0;
  --azul-500:#2E7BE8;
  --cian-400:#35D0F0;
  --cian-300:#7BE4FA;
  --rojo:#E11B22;
  --rojo-claro:#FF3B41;
  --blanco:#FFFFFF;
  --hueso:#F4F7FC;
  --gris-100:#E7EDF7;
  --gris-300:#B9C6DC;
  --gris-500:#6C7C99;
  --gris-700:#3A4A66;
  --tinta:#0C1728;

  --fuente-titulo:"Barlow Condensed","Oswald","Arial Narrow",sans-serif;
  --fuente-texto:"Inter","Helvetica Neue",Arial,sans-serif;

  --ancho:1240px;
  --radio:14px;
  --radio-lg:22px;
  --sombra:0 18px 45px rgba(6,26,68,.13);
  --sombra-alta:0 34px 80px rgba(6,26,68,.22);
  --transicion:.45s cubic-bezier(.22,1,.36,1);
  --alto-barra:96px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:clip}
body{
  margin:0;
  font-family:var(--fuente-texto);
  font-size:17px;
  line-height:1.72;
  color:var(--gris-700);
  background:var(--blanco);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--azul-700);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--rojo)}
h1,h2,h3,h4,h5{
  font-family:var(--fuente-titulo);
  color:var(--azul-950);
  line-height:1.06;
  margin:0 0 .5em;
  letter-spacing:-.01em;
  font-weight:700;
  text-wrap:balance;
}
h1{font-size:clamp(2.4rem,5vw,4.1rem);text-transform:uppercase}
h2{font-size:clamp(1.95rem,3.7vw,3.1rem);text-transform:uppercase}
h3{font-size:clamp(1.3rem,2vw,1.65rem)}
h4{font-size:1.15rem}
p{margin:0 0 1.15em}
ul,ol{margin:0 0 1.2em;padding-left:1.25em}
li{margin-bottom:.45em}
strong{color:var(--azul-900);font-weight:700}
:focus-visible{outline:3px solid var(--cian-400);outline-offset:3px;border-radius:6px}

.contenedor{width:100%;max-width:var(--ancho);margin:0 auto;padding:0 24px}
.saltar{position:absolute;left:-9999px;top:0;background:var(--rojo);color:#fff;padding:12px 20px;z-index:9999}
.saltar:focus{left:12px;top:12px;color:#fff}

/* ================= BARRA SUPERIOR ================= */
.franja{
  background:linear-gradient(90deg,var(--azul-950),var(--azul-800) 55%,var(--azul-700));
  color:var(--gris-300);
  font-size:.82rem;
  letter-spacing:.02em;
}
.franja .contenedor{display:flex;gap:22px;align-items:center;justify-content:space-between;min-height:40px;flex-wrap:wrap}
.franja-datos{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin:0;padding:0;list-style:none}
.franja-datos li{margin:0;display:flex;align-items:center;gap:7px}
.franja a{color:var(--blanco);font-weight:600}
.franja a:hover{color:var(--cian-300)}
.franja svg{width:15px;height:15px;fill:var(--cian-400);flex:none}
.franja-social{display:flex;gap:12px;align-items:center}

/* ================= CABECERA ================= */
.cabecera{
  position:sticky;top:0;z-index:900;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid rgba(11,63,168,.1);
  transition:box-shadow .35s ease,padding .35s ease;
}
.cabecera.fija{box-shadow:0 10px 34px rgba(6,26,68,.13)}
.cabecera .contenedor{display:flex;align-items:center;gap:26px;min-height:var(--alto-barra);transition:min-height .35s ease}
.cabecera.fija .contenedor{min-height:74px}
.marca{display:flex;align-items:center;gap:12px;flex:none}
.marca img{width:186px;height:auto;transition:width .35s ease}
.cabecera.fija .marca img{width:150px}

.menu{margin-left:auto;display:flex;align-items:center;gap:4px;list-style:none;padding:0;margin-bottom:0}
.menu>li{position:relative;margin:0}
.menu>li>a{
  display:block;padding:13px 15px;
  font-family:var(--fuente-titulo);
  font-size:1.06rem;font-weight:600;letter-spacing:.045em;text-transform:uppercase;
  color:var(--azul-950);border-radius:9px;position:relative;
}
.menu>li>a::after{
  content:"";position:absolute;left:15px;right:15px;bottom:7px;height:2px;
  background:linear-gradient(90deg,var(--rojo),var(--cian-400));
  transform:scaleX(0);transform-origin:left;transition:transform .38s cubic-bezier(.22,1,.36,1);
}
.menu>li>a:hover::after,.menu>li.activo>a::after{transform:scaleX(1)}
.menu>li.activo>a{color:var(--azul-700)}

.submenu{
  position:absolute;top:calc(100% + 10px);left:0;min-width:330px;
  background:var(--blanco);border-radius:var(--radio);box-shadow:var(--sombra-alta);
  padding:10px;list-style:none;margin:0;
  opacity:0;visibility:hidden;transform:translateY(14px) rotateX(-8deg);transform-origin:top center;
  transition:var(--transicion);border-top:3px solid var(--rojo);
}
.menu>li:hover>.submenu,.menu>li:focus-within>.submenu{opacity:1;visibility:visible;transform:translateY(0) rotateX(0)}
.submenu li{margin:0}
.submenu a{
  display:block;padding:11px 14px;border-radius:9px;font-size:.94rem;font-weight:500;color:var(--gris-700);
}
.submenu a:hover{background:var(--hueso);color:var(--azul-700);transform:translateX(4px)}

.hamburguesa{display:none;background:none;border:0;width:46px;height:46px;padding:0;cursor:pointer;margin-left:auto}
.hamburguesa span{display:block;height:2.5px;width:26px;margin:5px auto;background:var(--azul-950);border-radius:3px;transition:var(--transicion)}
.hamburguesa[aria-expanded="true"] span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.hamburguesa[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburguesa[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ================= BOTONES ================= */
.boton{
  --fondo:linear-gradient(120deg,var(--rojo),var(--rojo-claro));
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:16px 30px;border:0;border-radius:60px;cursor:pointer;
  font-family:var(--fuente-titulo);font-size:1.08rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;
  color:var(--blanco);background:var(--fondo);
  box-shadow:0 14px 30px rgba(225,27,34,.32);
  position:relative;overflow:hidden;isolation:isolate;
  transition:transform .35s cubic-bezier(.22,1,.36,1),box-shadow .35s ease,color .3s ease;
}
.boton::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(120deg,var(--azul-700),var(--azul-500));
  opacity:0;transition:opacity .35s ease;
}
.boton:hover{transform:translateY(-3px) scale(1.02);color:#fff;box-shadow:0 20px 42px rgba(11,63,168,.38)}
.boton:hover::before{opacity:1}
.boton-azul{--fondo:linear-gradient(120deg,var(--azul-700),var(--azul-500));box-shadow:0 14px 30px rgba(11,63,168,.32)}
.boton-azul::before{background:linear-gradient(120deg,var(--rojo),var(--rojo-claro))}
.boton-linea{
  background:transparent;color:var(--blanco);border:2px solid rgba(255,255,255,.55);box-shadow:none;
}
.boton-linea::before{background:var(--blanco)}
.boton-linea:hover{color:var(--azul-900);border-color:var(--blanco)}
.boton-chico{padding:12px 22px;font-size:.95rem}
.boton svg{width:18px;height:18px;fill:currentColor}

/* ================= HÉROE 3D PANORÁMICO ================= */
.heroe{
  position:relative;min-height:min(86vh,820px);display:flex;align-items:stretch;
  background:var(--azul-950);overflow:hidden;
  perspective:1500px;perspective-origin:50% 45%;
}
.heroe-escena{position:absolute;inset:0;transform-style:preserve-3d;z-index:0;overflow:hidden}
.diapo{
  position:absolute;inset:0;opacity:0;
  transform:translateZ(-380px) rotateY(9deg) scale(1.18);
  transition:opacity 1.5s ease,transform 2.4s cubic-bezier(.19,1,.22,1);
  will-change:transform,opacity;
}
.diapo.viva{opacity:1;transform:translateZ(0) rotateY(0) scale(1.04)}
.diapo.saliendo{opacity:0;transform:translateZ(180px) rotateY(-7deg) scale(1.12)}
.diapo-foto{width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.06)}
.diapo.viva .diapo-foto{animation:kenburns 11s ease-out forwards}
@keyframes kenburns{from{transform:scale(1)}to{transform:scale(1.1)}}
.heroe-velo{
  position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(120% 90% at 12% 45%,rgba(4,16,43,.94) 0%,rgba(4,16,43,.72) 42%,rgba(4,16,43,.28) 72%,transparent 100%),
    linear-gradient(180deg,rgba(4,16,43,.78) 0%,rgba(6,26,68,.35) 40%,rgba(4,16,43,.9) 100%);
}
.heroe-reja{
  position:absolute;inset:0;z-index:2;pointer-events:none;opacity:.3;
  background-image:linear-gradient(rgba(53,208,240,.16) 1px,transparent 1px),linear-gradient(90deg,rgba(53,208,240,.16) 1px,transparent 1px);
  background-size:74px 74px;
  mask-image:radial-gradient(70% 60% at 70% 50%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(70% 60% at 70% 50%,#000 0%,transparent 78%);
}
.heroe>.contenedor{
  position:relative;z-index:4;padding-top:54px;padding-bottom:150px;
  display:flex;flex-direction:column;justify-content:center;
}
.heroe-texto{max-width:880px;color:var(--blanco);transform-style:preserve-3d}
.heroe-cinta{
  display:inline-flex;align-items:center;gap:10px;
  padding:9px 20px;border-radius:60px;margin-bottom:22px;
  background:rgba(53,208,240,.12);border:1px solid rgba(53,208,240,.4);
  color:var(--cian-300);font-size:.82rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  backdrop-filter:blur(6px);
}
.heroe-cinta i{width:8px;height:8px;border-radius:50%;background:var(--cian-400);box-shadow:0 0 0 0 rgba(53,208,240,.7);animation:latido 2.4s infinite}
@keyframes latido{
  0%{box-shadow:0 0 0 0 rgba(53,208,240,.65)}
  70%{box-shadow:0 0 0 13px rgba(53,208,240,0)}
  100%{box-shadow:0 0 0 0 rgba(53,208,240,0)}
}
.heroe h1{color:var(--blanco);margin-bottom:.35em;text-shadow:0 18px 46px rgba(0,0,0,.45)}
.heroe h1 em{font-style:normal;color:var(--cian-400);display:block}
.heroe-bajada{font-size:clamp(1.02rem,1.45vw,1.2rem);color:#D9E5F7;max-width:660px;margin-bottom:30px}
.heroe-acciones{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.heroe-nota{display:flex;align-items:center;gap:10px;color:var(--gris-300);font-size:.92rem}
.heroe-nota svg{width:19px;height:19px;fill:var(--cian-400);flex:none}

.heroe-control{
  position:absolute;left:0;right:0;bottom:34px;z-index:6;
  display:flex;align-items:center;gap:20px;
}
.heroe-control .contenedor{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.puntos{display:flex;gap:10px;list-style:none;margin:0;padding:0}
.puntos li{margin:0}
.puntos button{
  width:44px;height:4px;border:0;padding:0;cursor:pointer;border-radius:4px;
  background:rgba(255,255,255,.28);position:relative;overflow:hidden;
}
.puntos button::after{
  content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--cian-400),var(--rojo));
  transform:scaleX(0);transform-origin:left;
}
.puntos button[aria-current="true"]::after{animation:barrer 7s linear forwards}
@keyframes barrer{to{transform:scaleX(1)}}
.heroe-flechas{display:flex;gap:10px;margin-left:auto}
.heroe-flechas button{
  width:50px;height:50px;border-radius:50%;cursor:pointer;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.3);
  color:#fff;display:grid;place-items:center;transition:var(--transicion);backdrop-filter:blur(6px);
}
.heroe-flechas button:hover{background:var(--rojo);border-color:var(--rojo);transform:scale(1.08)}
.heroe-flechas svg{width:19px;height:19px;fill:currentColor}
.heroe-titulo-diapo{color:#fff;font-family:var(--fuente-titulo);letter-spacing:.14em;text-transform:uppercase;font-size:.86rem;opacity:.85}

/* ================= FRANJA DE CIFRAS ================= */
.cifras{background:linear-gradient(120deg,var(--azul-800),var(--azul-700) 60%,var(--azul-600));color:#fff;position:relative;overflow:hidden}
.cifras::after{
  content:"";position:absolute;inset:0;opacity:.16;
  background:radial-gradient(circle at 85% 20%,var(--cian-400),transparent 55%);
}
.cifras .contenedor{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-top:56px;padding-bottom:56px}
.cifra{text-align:center}
.cifra b{display:block;font-family:var(--fuente-titulo);font-size:clamp(2.6rem,4.4vw,3.7rem);line-height:1;color:#fff}
.cifra b span{color:var(--cian-400)}
.cifra small{display:block;margin-top:9px;font-size:.85rem;letter-spacing:.13em;text-transform:uppercase;color:#BFD3F0}

/* ================= SECCIONES ================= */
.seccion{padding:clamp(64px,8vw,112px) 0}
.seccion-clara{background:var(--hueso)}
.seccion-oscura{background:var(--azul-950);color:var(--gris-300)}
.seccion-oscura h2,.seccion-oscura h3,.seccion-oscura h4{color:#fff}
.seccion-oscura strong{color:var(--cian-300)}

.encabezado{max-width:760px;margin-bottom:52px}
.encabezado.centrado{margin-left:auto;margin-right:auto;text-align:center}
.epigrafe{
  display:inline-block;margin-bottom:14px;
  font-family:var(--fuente-titulo);font-size:.86rem;font-weight:700;letter-spacing:.24em;text-transform:uppercase;
  color:var(--rojo);
}
.seccion-oscura .epigrafe{color:var(--cian-400)}
.encabezado p{font-size:1.08rem;margin-bottom:0}

/* ================= TARJETAS DE SERVICIO ================= */
.rejilla{display:grid;gap:26px}
.rejilla-3{grid-template-columns:repeat(3,1fr)}
.rejilla-2{grid-template-columns:repeat(2,1fr)}
.rejilla-4{grid-template-columns:repeat(4,1fr)}

.tarjeta{
  background:var(--blanco);border-radius:var(--radio-lg);overflow:hidden;
  box-shadow:var(--sombra);border:1px solid rgba(11,63,168,.07);
  display:flex;flex-direction:column;position:relative;
  transform-style:preserve-3d;transition:transform .4s cubic-bezier(.22,1,.36,1),box-shadow .4s ease;
}
.tarjeta:hover{box-shadow:var(--sombra-alta)}
.tarjeta-foto{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--azul-800)}
.tarjeta-foto img{width:100%;height:100%;object-fit:cover;transition:transform .9s cubic-bezier(.19,1,.22,1)}
.tarjeta:hover .tarjeta-foto img{transform:scale(1.09)}
.tarjeta-foto::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 35%,rgba(4,16,43,.72) 100%);
}
.tarjeta-icono{
  position:absolute;left:20px;bottom:-26px;z-index:3;
  width:60px;height:60px;border-radius:16px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--rojo),var(--rojo-claro));
  box-shadow:0 12px 26px rgba(225,27,34,.4);
  transition:var(--transicion);
}
.tarjeta:hover .tarjeta-icono{transform:translateY(-4px) rotate(-6deg);background:linear-gradient(135deg,var(--azul-700),var(--azul-500));box-shadow:0 12px 26px rgba(11,63,168,.45)}
.tarjeta-icono svg{width:28px;height:28px;fill:#fff}
.tarjeta-cuerpo{padding:44px 26px 26px;display:flex;flex-direction:column;flex:1}
.tarjeta-cuerpo h3{margin-bottom:.5em}
.tarjeta-cuerpo h3 a{color:inherit}
.tarjeta-cuerpo h3 a:hover{color:var(--azul-700)}
.tarjeta-cuerpo p{font-size:.98rem;flex:1}
.tarjeta-enlace{
  display:inline-flex;align-items:center;gap:9px;margin-top:14px;
  font-family:var(--fuente-titulo);font-weight:700;letter-spacing:.09em;text-transform:uppercase;font-size:.92rem;
  color:var(--azul-700);
}
.tarjeta-enlace svg{width:16px;height:16px;fill:currentColor;transition:transform .3s ease}
.tarjeta-enlace:hover svg{transform:translateX(6px)}

/* ================= BANDA PARALAJE ================= */
.paralaje{
  position:relative;overflow:hidden;color:#fff;
  padding:clamp(80px,10vw,140px) 0;background:var(--azul-950);
}
.paralaje-foto{position:absolute;inset:-14% 0;width:100%;height:128%;object-fit:cover;opacity:.34;will-change:transform}
.paralaje::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(4,16,43,.93) 0%,rgba(6,26,68,.72) 50%,rgba(11,63,168,.45) 100%);
}
.paralaje .contenedor{position:relative;z-index:3}
.paralaje h2{color:#fff}

/* ================= PASOS / PROCESO ================= */
.pasos{counter-reset:paso;display:grid;grid-template-columns:repeat(4,1fr);gap:26px;list-style:none;padding:0;margin:0}
.pasos li{
  counter-increment:paso;position:relative;padding:34px 24px 26px;
  background:var(--blanco);border-radius:var(--radio-lg);box-shadow:var(--sombra);
  border-top:4px solid var(--azul-600);margin:0;transition:var(--transicion);
}
.pasos li:hover{transform:translateY(-8px);border-top-color:var(--rojo)}
.pasos li::before{
  content:"0" counter(paso);
  position:absolute;top:-26px;right:18px;
  font-family:var(--fuente-titulo);font-size:4.3rem;font-weight:700;line-height:1;
  color:rgba(11,63,168,.12);
}
.pasos h3{font-size:1.2rem}
.pasos p{font-size:.96rem;margin-bottom:0}

/* ================= LISTA DE VENTAJAS ================= */
.ventajas{list-style:none;padding:0;margin:0;display:grid;gap:16px}
.ventajas li{display:flex;gap:14px;align-items:flex-start;margin:0}
.ventajas svg{width:24px;height:24px;flex:none;fill:var(--cian-400);margin-top:3px}
.ventajas b{display:block;color:var(--azul-950);font-family:var(--fuente-titulo);font-size:1.16rem;letter-spacing:.01em}
.seccion-oscura .ventajas b{color:#fff}

/* ================= DOS COLUMNAS ================= */
.dupla{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,68px);align-items:center}
.dupla.invertida .dupla-media{order:2}
.dupla-media{position:relative}
.dupla-media img{border-radius:var(--radio-lg);box-shadow:var(--sombra-alta);width:100%}
.dupla-sello{
  position:absolute;right:-18px;bottom:-24px;z-index:3;
  background:linear-gradient(135deg,var(--rojo),var(--rojo-claro));color:#fff;
  padding:20px 26px;border-radius:var(--radio);box-shadow:0 20px 40px rgba(225,27,34,.35);
  font-family:var(--fuente-titulo);text-align:center;line-height:1;
}
.dupla-sello b{display:block;font-size:2.7rem}
.dupla-sello span{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase}

/* ================= ACORDEÓN ================= */
.acordeon{border-radius:var(--radio-lg);overflow:hidden;box-shadow:var(--sombra);background:#fff}
.acordeon details{border-bottom:1px solid var(--gris-100)}
.acordeon details:last-child{border-bottom:0}
.acordeon summary{
  cursor:pointer;list-style:none;padding:22px 58px 22px 26px;position:relative;
  font-family:var(--fuente-titulo);font-size:1.22rem;font-weight:600;color:var(--azul-950);
  transition:background .3s ease,color .3s ease;
}
.acordeon summary::-webkit-details-marker{display:none}
.acordeon summary:hover{background:var(--hueso);color:var(--azul-700)}
.acordeon summary::after{
  content:"";position:absolute;right:26px;top:50%;width:13px;height:13px;
  border-right:2.5px solid var(--rojo);border-bottom:2.5px solid var(--rojo);
  transform:translateY(-70%) rotate(45deg);transition:transform .35s ease;
}
.acordeon details[open] summary::after{transform:translateY(-25%) rotate(-135deg)}
.acordeon .respuesta{padding:0 26px 24px;font-size:1rem}
.acordeon .respuesta p:last-child{margin-bottom:0}

/* ================= TESTIMONIOS ================= */
.testimonio{
  background:var(--blanco);border-radius:var(--radio-lg);padding:34px 30px;
  box-shadow:var(--sombra);position:relative;border-left:4px solid var(--rojo);
  transition:var(--transicion);
}
.testimonio:hover{transform:translateY(-7px);box-shadow:var(--sombra-alta)}
.testimonio::before{
  content:"“";position:absolute;top:6px;right:22px;
  font-family:Georgia,serif;font-size:6rem;line-height:1;color:rgba(11,63,168,.1);
}
.testimonio p{font-size:1.02rem;font-style:italic;color:var(--gris-700)}
.testimonio footer{display:flex;align-items:center;gap:13px;margin-top:16px}
.testimonio .inicial{
  width:46px;height:46px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--azul-700),var(--cian-400));color:#fff;
  font-family:var(--fuente-titulo);font-size:1.3rem;font-weight:700;
}
.testimonio cite{font-style:normal;display:block;font-weight:700;color:var(--azul-950);font-size:1rem}
.testimonio small{color:var(--gris-500);font-size:.86rem}
.estrellas{display:flex;gap:3px;margin-bottom:12px}
.estrellas svg{width:17px;height:17px;fill:#F5A524}

/* ================= GALERÍA DE PROYECTOS ================= */
.galeria{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.galeria figure{
  margin:0;position:relative;overflow:hidden;border-radius:var(--radio-lg);
  aspect-ratio:4/3;box-shadow:var(--sombra);background:var(--azul-800);
}
.galeria img{width:100%;height:100%;object-fit:cover;transition:transform 1s cubic-bezier(.19,1,.22,1)}
.galeria figure:hover img{transform:scale(1.12) rotate(1.2deg)}
.galeria figcaption{
  position:absolute;inset:auto 0 0 0;padding:46px 22px 20px;color:#fff;
  background:linear-gradient(180deg,transparent,rgba(4,16,43,.92));
  font-family:var(--fuente-titulo);font-size:1.18rem;letter-spacing:.02em;
  transform:translateY(8px);transition:transform .4s ease;
}
.galeria figure:hover figcaption{transform:translateY(0)}
.galeria figcaption small{display:block;font-family:var(--fuente-texto);font-size:.82rem;color:var(--cian-300);letter-spacing:.1em;text-transform:uppercase;margin-bottom:4px}

/* ================= MARCAS ================= */
.marcas{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marcas-pista{display:flex;gap:56px;width:max-content;animation:desfile 34s linear infinite}
.marcas:hover .marcas-pista{animation-play-state:paused}
.marcas-pista span{
  font-family:var(--fuente-titulo);font-size:1.7rem;font-weight:700;letter-spacing:.06em;
  color:var(--gris-300);white-space:nowrap;text-transform:uppercase;transition:color .3s ease;
}
.marcas-pista span:hover{color:var(--azul-700)}
@keyframes desfile{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ================= ZONAS ================= */
.zonas{display:flex;flex-wrap:wrap;gap:12px;list-style:none;padding:0;margin:0}
.zonas li{margin:0}
.zonas span,.zonas a{
  display:inline-block;padding:10px 20px;border-radius:60px;
  background:rgba(53,208,240,.1);border:1px solid rgba(53,208,240,.32);
  color:var(--cian-300);font-size:.92rem;font-weight:600;transition:var(--transicion);
}
.zonas span:hover,.zonas a:hover{background:var(--cian-400);color:var(--azul-950);transform:translateY(-3px)}

/* ================= CTA ================= */
.llamada{
  background:linear-gradient(120deg,var(--rojo) 0%,#B71219 55%,var(--azul-800) 100%);
  color:#fff;padding:clamp(52px,7vw,86px) 0;position:relative;overflow:hidden;
}
.llamada::after{
  content:"";position:absolute;top:-40%;right:-8%;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16),transparent 65%);
}
.llamada .contenedor{position:relative;z-index:2;display:flex;align-items:center;gap:36px;flex-wrap:wrap;justify-content:space-between}
.llamada h2{color:#fff;margin-bottom:.25em}
.llamada p{margin-bottom:0;color:rgba(255,255,255,.9);max-width:640px}
.llamada .heroe-acciones{flex:none}

/* ================= FORMULARIO ================= */
.caja-formulario{background:#fff;border-radius:var(--radio-lg);box-shadow:var(--sombra-alta);padding:clamp(26px,4vw,44px)}
.campos{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.campo{display:flex;flex-direction:column;gap:7px}
.campo.ancho{grid-column:1/-1}
.campo label{font-family:var(--fuente-titulo);font-size:1.02rem;font-weight:600;color:var(--azul-950);letter-spacing:.02em}
.campo label i{color:var(--rojo);font-style:normal}
.campo input,.campo select,.campo textarea{
  width:100%;padding:14px 16px;border:1.6px solid var(--gris-100);border-radius:11px;
  font-family:inherit;font-size:1rem;color:var(--tinta);background:var(--hueso);
  transition:border-color .3s ease,box-shadow .3s ease,background .3s ease;
}
.campo input:focus,.campo select:focus,.campo textarea:focus{
  outline:0;border-color:var(--azul-600);background:#fff;box-shadow:0 0 0 4px rgba(22,87,208,.13);
}
.campo textarea{min-height:135px;resize:vertical}
.aviso-campo{font-size:.85rem;color:var(--gris-500)}
.consentimiento{display:flex;gap:11px;align-items:flex-start;font-size:.9rem;color:var(--gris-500)}
.consentimiento input{width:19px;height:19px;flex:none;margin-top:2px;accent-color:var(--rojo)}

/* ================= CONTACTO ================= */
.datos-contacto{list-style:none;padding:0;margin:0;display:grid;gap:20px}
.datos-contacto li{display:flex;gap:16px;align-items:flex-start;margin:0}
.datos-contacto .glifo{
  width:50px;height:50px;border-radius:14px;flex:none;display:grid;place-items:center;
  background:rgba(53,208,240,.12);border:1px solid rgba(53,208,240,.3);
}
.datos-contacto .glifo svg{width:22px;height:22px;fill:var(--cian-400)}
.datos-contacto b{display:block;font-family:var(--fuente-titulo);font-size:1.1rem;color:#fff;letter-spacing:.02em}
.datos-contacto a{color:var(--cian-300);font-weight:600}
.datos-contacto a:hover{color:#fff}
.mapa{border:0;width:100%;height:420px;border-radius:var(--radio-lg);box-shadow:var(--sombra-alta);display:block}

/* ================= MIGAS ================= */
.migas{background:var(--azul-950);padding:26px 0;border-bottom:1px solid rgba(53,208,240,.14)}
.migas ol{list-style:none;display:flex;flex-wrap:wrap;gap:9px;padding:0;margin:0;font-size:.88rem;color:var(--gris-300)}
.migas li{margin:0;display:flex;align-items:center;gap:9px}
.migas li+li::before{content:"›";color:var(--cian-400)}
.migas a{color:var(--gris-300)}
.migas a:hover{color:var(--cian-300)}
.migas [aria-current]{color:#fff;font-weight:600}

/* ================= PORTADA INTERNA ================= */
.portada{
  position:relative;background:var(--azul-950);color:#fff;overflow:hidden;
  padding:clamp(72px,9vw,124px) 0 clamp(58px,7vw,96px);
}
.portada-foto{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.32}
.portada::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(4,16,43,.95) 5%,rgba(6,26,68,.74) 55%,rgba(11,63,168,.4) 100%);
}
.portada .contenedor{position:relative;z-index:3;max-width:900px}
.portada h1{color:#fff;margin-bottom:.3em}
.portada p{font-size:1.1rem;color:#D5E2F5;max-width:680px;margin-bottom:0}

/* ================= ARTÍCULO ================= */
.articulo{max-width:820px}
.articulo h2{margin-top:1.7em}
.articulo h3{margin-top:1.4em}
.articulo>*:first-child{margin-top:0}
.destacado{
  background:linear-gradient(120deg,rgba(11,63,168,.06),rgba(53,208,240,.09));
  border-left:4px solid var(--azul-600);border-radius:0 var(--radio) var(--radio) 0;
  padding:22px 26px;margin:28px 0;
}
.destacado p:last-child{margin-bottom:0}
.tabla-envoltura{overflow-x:auto;margin:28px 0;border-radius:var(--radio);box-shadow:var(--sombra)}
table{border-collapse:collapse;width:100%;min-width:520px;background:#fff;font-size:.96rem}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--gris-100)}
th{background:var(--azul-800);color:#fff;font-family:var(--fuente-titulo);font-size:1.02rem;letter-spacing:.05em;text-transform:uppercase}
tbody tr:hover{background:var(--hueso)}

.barra-lateral{position:sticky;top:calc(var(--alto-barra) + 20px)}
.ficha{background:var(--azul-950);color:var(--gris-300);border-radius:var(--radio-lg);padding:30px;box-shadow:var(--sombra-alta)}
.ficha h3{color:#fff;font-size:1.35rem}
.ficha .boton{width:100%;margin-top:8px}
.ficha ul{list-style:none;padding:0;margin:0 0 20px}
.ficha ul li{border-bottom:1px solid rgba(255,255,255,.09);padding:11px 0;margin:0}
.ficha ul li:last-child{border-bottom:0}
.ficha ul a{color:var(--gris-300);display:flex;justify-content:space-between;gap:10px;align-items:center}
.ficha ul a:hover{color:var(--cian-300)}
.ficha ul a::after{content:"→";color:var(--cian-400)}

/* ================= PIE ================= */
.pie{background:var(--azul-950);color:var(--gris-300);padding-top:clamp(56px,7vw,86px);position:relative;overflow:hidden}
.pie::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--rojo),var(--azul-600),var(--cian-400));
}
.pie-rejilla{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px}
.pie h3,.pie h4{color:#fff;font-size:1.18rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:1.1em}
.pie img.logo-pie{width:200px;margin-bottom:20px;background:#fff;padding:10px 14px;border-radius:12px}
.pie ul{list-style:none;padding:0;margin:0}
.pie ul li{margin-bottom:10px}
.pie a{color:var(--gris-300)}
.pie a:hover{color:var(--cian-300)}
.pie-social{display:flex;gap:12px;margin-top:18px}
.pie-social a{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);transition:var(--transicion);
}
.pie-social a:hover{background:var(--rojo);border-color:var(--rojo);transform:translateY(-3px)}
.pie-social svg{width:19px;height:19px;fill:#fff}
.pie-legal{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:.86rem;
}
.pie-legal p{margin:0}

/* ================= FLOTANTES ================= */
.wasap{
  position:fixed;right:20px;bottom:20px;z-index:950;
  width:60px;height:60px;border-radius:50%;display:grid;place-items:center;
  background:#25D366;box-shadow:0 14px 32px rgba(37,211,102,.45);
  transition:var(--transicion);
}
.wasap:hover{transform:scale(1.1) rotate(6deg)}
.wasap svg{width:32px;height:32px;fill:#fff}
.wasap::after{
  content:"";position:absolute;inset:0;border-radius:50%;border:2px solid #25D366;
  animation:onda 2.6s infinite;
}
@keyframes onda{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.65);opacity:0}}
.arriba{
  position:fixed;right:22px;bottom:92px;z-index:940;
  width:46px;height:46px;border-radius:50%;border:0;cursor:pointer;display:grid;place-items:center;
  background:var(--azul-700);color:#fff;box-shadow:0 12px 26px rgba(11,63,168,.4);
  opacity:0;visibility:hidden;transform:translateY(14px);transition:var(--transicion);
}
.arriba.visible{opacity:1;visibility:visible;transform:translateY(0)}
.arriba:hover{background:var(--rojo)}
.arriba svg{width:19px;height:19px;fill:currentColor}
.progreso{
  position:fixed;top:0;left:0;height:3px;z-index:999;width:0;
  background:linear-gradient(90deg,var(--rojo),var(--cian-400));transition:width .1s linear;
}

/* ================= ANIMACIONES DE ENTRADA ================= */
.revelar{opacity:0;transform:translateY(36px);transition:opacity .85s cubic-bezier(.22,1,.36,1),transform .85s cubic-bezier(.22,1,.36,1)}
.revelar.dentro{opacity:1;transform:none}
.revelar-izq{opacity:0;transform:translateX(-46px);transition:opacity .9s cubic-bezier(.22,1,.36,1),transform .9s cubic-bezier(.22,1,.36,1)}
.revelar-izq.dentro{opacity:1;transform:none}
.revelar-der{opacity:0;transform:translateX(46px);transition:opacity .9s cubic-bezier(.22,1,.36,1),transform .9s cubic-bezier(.22,1,.36,1)}
.revelar-der.dentro{opacity:1;transform:none}
.revelar-zoom{opacity:0;transform:scale(.92);transition:opacity .9s ease,transform .9s cubic-bezier(.22,1,.36,1)}
.revelar-zoom.dentro{opacity:1;transform:none}

/* ================= RESPONSIVO ================= */
@media (max-width:1080px){
  .rejilla-4{grid-template-columns:repeat(2,1fr)}
  .pasos{grid-template-columns:repeat(2,1fr)}
  .pie-rejilla{grid-template-columns:1fr 1fr;gap:32px}
  .cifras .contenedor{grid-template-columns:repeat(2,1fr);gap:34px}
}
@media (max-width:960px){
  .hamburguesa{display:block}
  /* Sin backdrop-filter en móvil: crea un bloque contenedor que atraparía
     al menú lateral position:fixed dentro de la cabecera. */
  .cabecera{
    backdrop-filter:none;-webkit-backdrop-filter:none;
    background:var(--blanco);
  }
  .menu{
    position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);
    background:var(--azul-950);flex-direction:column;align-items:stretch;gap:0;
    padding:104px 22px 34px;overflow-y:auto;z-index:920;
    transform:translateX(100%);transition:transform .45s cubic-bezier(.22,1,.36,1);
    box-shadow:-24px 0 60px rgba(4,16,43,.4);
  }
  .menu.abierto{transform:translateX(0)}
  .menu>li>a{color:#fff;padding:15px 8px;border-bottom:1px solid rgba(255,255,255,.09)}
  .menu>li.activo>a{color:var(--cian-300)}
  .menu>li>a::after{display:none}
  .submenu{
    position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;
    background:transparent;border-top:0;padding:0 0 8px 14px;min-width:0;
    max-height:0;overflow:hidden;transition:max-height .45s ease;
  }
  .menu>li.desplegado>.submenu{max-height:620px}
  .submenu a{color:var(--gris-300);padding:9px 8px}
  /* Por debajo de .cabecera (z-index 900): el cajón vive dentro de ella y su
     z-index se resuelve en ese contexto de apilamiento, no en el de la página. */
  .velo-menu{position:fixed;inset:0;background:rgba(4,16,43,.62);z-index:880;opacity:0;visibility:hidden;transition:.35s}
  .velo-menu.activo{opacity:1;visibility:visible}
  .rejilla-3,.rejilla-2,.galeria{grid-template-columns:1fr 1fr}
  .dupla{grid-template-columns:1fr}
  .dupla.invertida .dupla-media{order:0}
  .campos{grid-template-columns:1fr}
  .barra-lateral{position:static}
}
@media (max-width:680px){
  body{font-size:16px}
  .rejilla-3,.rejilla-2,.rejilla-4,.galeria,.pasos,.pie-rejilla,.cifras .contenedor{grid-template-columns:1fr}
  .heroe{min-height:auto;padding:40px 0 0}
  .heroe>.contenedor{padding-top:34px;padding-bottom:150px}
  .heroe-acciones{flex-direction:column;align-items:stretch}
  .boton{width:100%}
  .franja-datos{gap:12px;font-size:.78rem}
  .franja-social{display:none}
  .dupla-sello{right:12px;bottom:-16px;padding:14px 18px}
  .llamada .contenedor{flex-direction:column;align-items:flex-start}
  .heroe-flechas{margin-left:0}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important;scroll-behavior:auto !important;
  }
  .revelar,.revelar-izq,.revelar-der,.revelar-zoom{opacity:1;transform:none}
  .diapo{transform:none}
}

@media print{
  .cabecera,.franja,.pie,.wasap,.arriba,.progreso,.heroe-control{display:none}
  body{color:#000}
}