/* =========================================================
   INSTALACIONES ELECTRICAS BARCELONA
   Hoja de estilos. Hecha a mano, sin librerias externas.
   ========================================================= */

:root{
  --tinta:#0B1220;          /* azul marino casi negro */
  --tinta-2:#132038;
  --tinta-3:#1C2E4A;
  --ambar:#F5A623;          /* acento unico */
  --ambar-claro:#FFB945;
  --ambar-suave:#FDF3E2;
  --verde:#1FA463;
  --linea:#E4E8EF;
  --papel:#F7F9FC;
  --texto:#1A2233;
  --texto-2:#5B6880;
  --radio:14px;
  --sombra-1:0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.10);
  --sombra-2:0 4px 8px rgba(16,24,40,.06), 0 12px 28px rgba(16,24,40,.10);
  --sombra-3:0 8px 16px rgba(16,24,40,.08), 0 24px 48px rgba(16,24,40,.14);
  --ancho:1200px;
  --trans:.28s cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  color:var(--texto);
  background:#fff;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
svg{width:1.25em;height:1.25em;flex:0 0 auto}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .55em;font-weight:700;letter-spacing:-.021em;color:var(--tinta)}
h1{font-size:clamp(2rem,4.4vw,3.35rem);letter-spacing:-.03em}
h2{font-size:clamp(1.6rem,3vw,2.4rem);letter-spacing:-.025em}
h3{font-size:clamp(1.05rem,1.5vw,1.22rem)}
p{margin:0 0 1em}
strong{font-weight:650}
.contenedor{width:min(100% - 2.5rem,var(--ancho));margin-inline:auto}
.centro{text-align:center}

/* ---------- Barra de progreso ---------- */
#progreso{position:fixed;top:0;left:0;height:2px;width:0%;background:var(--ambar);z-index:999;transition:width .1s linear}

/* ---------- Cabecera ---------- */
.cabecera{
  position:fixed;top:0;left:0;right:0;z-index:900;padding:15px 0;
  transition:var(--trans);
  background:linear-gradient(180deg,rgba(11,18,32,.72),rgba(11,18,32,0));
}
.cabecera.solida{
  background:rgba(11,18,32,.97);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  box-shadow:0 1px 0 rgba(255,255,255,.07);
  padding:10px 0;
}
.cabecera .contenedor{display:flex;align-items:center;gap:22px}
.cabecera .logo,.hamburguesa{position:relative;z-index:2}

.logo{display:flex;align-items:center;gap:11px;color:#fff}
.logo .chispa{
  width:38px;height:38px;flex:0 0 38px;border-radius:9px;
  background:var(--ambar);color:var(--tinta);
  display:grid;place-items:center;
}
.logo .chispa svg{width:20px;height:20px}
.logo b{display:block;font-size:1.02rem;font-weight:700;letter-spacing:-.02em;line-height:1.15}
.logo small{display:block;font-size:.63rem;font-weight:600;color:var(--ambar);letter-spacing:.19em;text-transform:uppercase;margin-top:1px}

.menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.menu a{
  color:#C9D3E3;font-weight:500;font-size:.925rem;padding:9px 12px;border-radius:7px;
  position:relative;transition:var(--trans);white-space:nowrap;
}
.menu a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:1.5px;
  background:var(--ambar);transform:scaleX(0);transform-origin:left;transition:transform .25s;
}
.menu a:hover{color:#fff}
.menu a:hover::after,.menu a.activo::after{transform:scaleX(1)}
.menu a.activo{color:#fff}

.btn-tel-cab{
  background:var(--ambar);color:var(--tinta) !important;font-weight:700;
  padding:10px 18px !important;border-radius:8px;
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;margin-left:10px;
}
.btn-tel-cab svg{width:16px;height:16px}
.btn-tel-cab::after{display:none}
.btn-tel-cab:hover{background:#FFB945}

.hamburguesa{
  display:none;margin-left:auto;width:44px;height:40px;border:0;border-radius:8px;
  background:rgba(255,255,255,.1);cursor:pointer;padding:0;
}
.hamburguesa span{display:block;width:20px;height:2px;background:#fff;margin:4.5px auto;transition:var(--trans);border-radius:2px}
.hamburguesa.abierta span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.hamburguesa.abierta span:nth-child(2){opacity:0}
.hamburguesa.abierta span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ---------- Animacion de entrada (todas las paginas) ---------- */
#carga{
  position:fixed;left:0;top:0;right:0;bottom:0;z-index:1200;
  background:var(--tinta);display:grid;place-items:center;
  transition:opacity .55s ease,visibility .55s ease;
}
#carga.fuera{opacity:0;visibility:hidden;pointer-events:none}
.carga-caja{display:grid;justify-items:center;gap:16px;color:#C9D3E3}
.carga-rayo{width:64px;height:64px}
.carga-rayo path{
  stroke-dasharray:70;stroke-dashoffset:70;
  animation:dibujo-rayo 1s ease forwards, late-rayo 1.6s ease .9s infinite alternate;
}
@keyframes dibujo-rayo{to{stroke-dashoffset:0}}
@keyframes late-rayo{from{filter:drop-shadow(0 0 2px rgba(245,166,35,.3))}to{filter:drop-shadow(0 0 14px rgba(245,166,35,.85))}}
.carga-caja span{font-size:.82rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase}
.carga-barra{
  display:block;width:150px;height:2px;border-radius:2px;background:rgba(255,255,255,.12);
  position:relative;overflow:hidden;
}
.carga-barra::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:40%;
  background:var(--ambar);animation:barre 1.1s ease-in-out infinite;
}
@keyframes barre{0%{left:-40%}100%{left:100%}}

/* ---------- Portada ---------- */
.hero{position:relative;padding:150px 0 96px;color:#fff;overflow:hidden;background:var(--tinta)}
.hero-slides{position:absolute;left:0;top:0;right:0;bottom:0;overflow:hidden}
.hero-slides img{
  position:absolute;left:0;top:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity 1.4s ease;
}
.hero-slides img.activa{opacity:.42;animation:kenburns 11s linear forwards}
@keyframes kenburns{from{transform:scale(1)}to{transform:scale(1.09)}}
.hero-foto{position:absolute;left:0;top:0;width:100%;height:100%;object-fit:cover;opacity:.30}
.hero-velo{
  position:absolute;left:0;top:0;right:0;bottom:0;
  background:linear-gradient(100deg,rgba(11,18,32,.97) 0%,rgba(11,18,32,.88) 42%,rgba(11,18,32,.55) 100%);
}
.hero .contenedor{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:center}
.hero h1{color:#fff}
.hero h1 em{font-style:normal;color:var(--ambar)}
.hero .entradilla{font-size:clamp(1rem,1.35vw,1.14rem);color:#B9C4D6;max-width:46ch;margin-bottom:32px}

.etiqueta{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(31,164,99,.14);border:1px solid rgba(31,164,99,.34);
  color:#5FD79B;font-weight:600;font-size:.8rem;letter-spacing:.02em;
  padding:6px 14px;border-radius:6px;margin-bottom:24px;
}
.punto-vivo{width:7px;height:7px;border-radius:50%;background:#22C55E;animation:parpadeo 2s infinite}
@keyframes parpadeo{0%,100%{opacity:1}50%{opacity:.35}}

.botonera{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:8px;font-weight:650;font-size:.98rem;
  border:0;cursor:pointer;transition:var(--trans);font-family:inherit;
}
.btn svg{width:18px;height:18px}
.btn-principal{background:var(--ambar);color:var(--tinta);position:relative;overflow:hidden}
.btn-principal::before{
  content:"";position:absolute;left:0;top:0;right:0;bottom:0;
  background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.5),transparent 65%);
  transform:translateX(-150%);
}
.btn-principal:hover::before{animation:destello .8s ease}
@keyframes destello{to{transform:translateX(150%)}}
.btn-principal:hover{background:#FFB945;transform:translateY(-1px)}
.btn-fantasma{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.3)}
.btn-fantasma:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.55)}
.btn-verde{background:#1FA463;color:#fff}
.btn-verde:hover{background:#178A52;transform:translateY(-1px)}

.mini-avales{display:flex;flex-wrap:wrap;gap:10px 26px;color:#9AA8BE;font-size:.88rem}
.mini-avales li{display:flex;align-items:center;gap:8px}
.mini-avales svg{width:16px;height:16px;color:var(--ambar);flex:0 0 16px}

.tarjeta-hero{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radio);padding:28px;
}
.tarjeta-hero h3{color:#fff;display:flex;align-items:center;gap:10px;font-size:1.1rem;margin-bottom:18px}
.tarjeta-hero h3 svg{width:21px;height:21px;color:var(--ambar)}
.lista-check{display:grid;gap:12px;margin:0 0 22px}
.lista-check li{display:flex;gap:11px;align-items:flex-start;color:#C6D0E0;font-size:.93rem}
.lista-check svg{width:18px;height:18px;color:var(--ambar);flex:0 0 18px;margin-top:3px}
.aviso-horario{
  display:flex;gap:11px;align-items:flex-start;padding:14px;border-radius:9px;
  background:rgba(245,166,35,.09);border:1px solid rgba(245,166,35,.24);color:#F0D5A6;font-size:.87rem;
}
.aviso-horario svg{width:18px;height:18px;flex:0 0 18px;color:var(--ambar);margin-top:2px}

/* ---------- Franja de datos ---------- */
.franja{background:var(--tinta-2);color:#fff;padding:38px 0}
.rejilla-num{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.num{font-size:clamp(1.8rem,3.2vw,2.5rem);font-weight:750;color:var(--ambar);line-height:1;letter-spacing:-.03em}
.num-txt{color:#95A3BA;font-size:.86rem;margin-top:7px}

/* ---------- Secciones ---------- */
.seccion{padding:92px 0}
.seccion-gris{background:var(--papel)}
.seccion-oscura{background:var(--tinta);color:#fff}
.seccion-oscura h2,.seccion-oscura h3,.seccion-oscura h4{color:#fff}
.sobretitulo{
  display:block;color:#A9741A;font-weight:700;
  font-size:.775rem;letter-spacing:.15em;text-transform:uppercase;margin-bottom:12px;
}
.seccion-oscura .sobretitulo{color:var(--ambar)}
.entradilla-seccion{color:var(--texto-2);font-size:1.02rem;max-width:60ch;margin-inline:auto}
.seccion-oscura .entradilla-seccion{color:#A3B0C6}
.cabecera-seccion{margin-bottom:48px}

/* ---------- Servicios ---------- */
.rejilla-servicios{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;align-items:start}
.servicio{
  background:#fff;border:1px solid var(--linea);border-radius:var(--radio);
  overflow:hidden;transition:var(--trans);box-shadow:var(--sombra-1);
}
.servicio:hover{box-shadow:var(--sombra-2);transform:translateY(-3px)}
.servicio.abierto{box-shadow:var(--sombra-2)}
.servicio-foto{position:relative;aspect-ratio:760/420;overflow:hidden;background:var(--tinta-2)}
.servicio-foto img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.4,0,.2,1)}
.servicio:hover .servicio-foto img{transform:scale(1.045)}
.servicio-foto::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:45%;
  background:linear-gradient(to top,rgba(11,18,32,.5),transparent);
}
.servicio-cab{
  width:100%;display:flex;align-items:center;gap:13px;text-align:left;
  padding:18px 20px;background:none;border:0;cursor:pointer;font:inherit;color:inherit;
}
.icono{
  width:42px;height:42px;flex:0 0 42px;border-radius:9px;display:grid;place-items:center;
  background:var(--ambar-suave);color:#A9741A;transition:var(--trans);
}
.servicio:hover .icono{background:var(--ambar);color:var(--tinta)}
.icono svg{width:21px;height:21px}
.servicio-cab h3{margin:0;font-size:1.04rem}
.servicio-cab .flecha{
  margin-left:auto;width:26px;height:26px;flex:0 0 26px;border-radius:50%;
  background:#EFF2F7;display:grid;place-items:center;transition:var(--trans);color:#6B7A93;
}
.servicio-cab .flecha svg{width:13px;height:13px}
.servicio.abierto .flecha{transform:rotate(180deg);background:var(--ambar);color:var(--tinta)}
.servicio-cuerpo{display:grid;grid-template-rows:0fr;transition:grid-template-rows .4s cubic-bezier(.4,0,.2,1)}
.servicio.abierto .servicio-cuerpo{grid-template-rows:1fr}
.servicio-cuerpo>div{overflow:hidden}
.servicio{cursor:pointer}
.servicio-foto{cursor:pointer}
.servicio-cuerpo{display:none}          /* el texto vive aqui, se pinta en la ficha */

/* ---- Visor: ficha a la izquierda, fotos a la derecha ---- */
.visor-servicios{display:grid;grid-template-columns:minmax(300px,40%) 1fr;gap:26px;align-items:start}
.visor-servicios .rejilla-servicios{grid-template-columns:repeat(3,1fr);gap:14px}
.visor-servicios .servicio{box-shadow:var(--sombra-1)}
.visor-servicios .servicio-cab{padding:11px 13px;gap:9px}
.visor-servicios .servicio-cab h3{font-size:.86rem;line-height:1.25}
.visor-servicios .icono{width:32px;height:32px;flex:0 0 32px;border-radius:8px}
.visor-servicios .icono svg{width:16px;height:16px}
.visor-servicios .servicio-cab .flecha{display:none}
.servicio.activa{border-color:var(--ambar);box-shadow:0 0 0 2px var(--ambar),var(--sombra-2)}
.servicio.activa .icono{background:var(--ambar);color:var(--tinta)}

/* La ficha de la izquierda se queda pegada mientras bajas */
.visor-ficha{
  position:sticky;top:96px;background:#fff;border:1px solid var(--linea);border-radius:var(--radio);
  box-shadow:var(--sombra-2);overflow:hidden;
  opacity:0;transform:translateY(6px);transition:opacity .35s ease,transform .35s ease;
}
.visor-ficha.vista{opacity:1;transform:none}
.visor-foto{aspect-ratio:760/420;background:var(--tinta-2);overflow:hidden}
.visor-foto img{width:100%;height:100%;object-fit:cover;display:block}
.visor-texto{padding:20px 22px 24px;color:var(--texto-2);font-size:.95rem}
.visor-cab{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.visor-cab h3{margin:0;font-size:1.22rem;color:var(--texto)}
.visor-cab .icono{background:var(--ambar);color:var(--tinta)}
.visor-texto .puntos{margin-top:12px}

@media (max-width:900px){
  .visor-servicios{grid-template-columns:1fr;gap:18px}
  .visor-ficha{position:static}
  .visor-servicios .rejilla-servicios{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:520px){
  .visor-servicios .rejilla-servicios{grid-template-columns:1fr}
}
.puntos{display:grid;gap:7px;margin:0 0 16px}
.puntos li{display:flex;gap:9px;align-items:flex-start;font-size:.9rem}
.puntos svg{width:15px;height:15px;color:var(--verde);flex:0 0 15px;margin-top:4px}
.enlace-tel{display:inline-flex;align-items:center;gap:7px;color:#A9741A;font-weight:650;font-size:.92rem}
.enlace-tel svg{width:15px;height:15px}
.enlace-tel:hover{text-decoration:underline}

/* ---------- Boletin ---------- */
.boletin{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.pasos{position:relative;padding-left:34px;margin-top:30px}
.pasos::before{content:"";position:absolute;left:11px;top:6px;bottom:6px;width:1.5px;background:rgba(245,166,35,.32)}
.paso{position:relative;margin-bottom:24px}
.paso:last-child{margin-bottom:0}
.paso::before{
  content:"";position:absolute;left:-28px;top:6px;width:11px;height:11px;border-radius:50%;
  background:var(--ambar);box-shadow:0 0 0 4px rgba(245,166,35,.15);
}
.paso h4{margin:0 0 3px;font-size:1rem}
.paso p{margin:0;color:#A3B0C6;font-size:.92rem}
.caja-destacada{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);border-radius:var(--radio);padding:30px}
.precio-nota{
  display:flex;gap:11px;align-items:flex-start;padding:14px;border-radius:9px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);color:#9AA8BE;font-size:.86rem;margin-top:18px;
}
.precio-nota svg{width:18px;height:18px;flex:0 0 18px;color:var(--ambar);margin-top:2px}

/* ---------- Ventajas ---------- */
.rejilla-ventajas{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1px;background:var(--linea);border:1px solid var(--linea);border-radius:var(--radio);overflow:hidden}
.ventaja{background:#fff;padding:30px 26px;transition:var(--trans)}
.ventaja:hover{background:#FDFEFF}
.ventaja .icono{margin-bottom:15px}
.ventaja h3{font-size:1.02rem;margin-bottom:7px}
.ventaja p{color:var(--texto-2);font-size:.92rem;margin:0}

/* ---------- Galeria de trabajos ---------- */
/* Mosaico: la primera foto ocupa 2x2 y el resto rellena. Con filas de
   altura fija no se descuadra por mucho que cambien las proporciones. */
.galeria{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:206px;gap:16px}
.trabajo{position:relative;border-radius:var(--radio);overflow:hidden;background:var(--tinta-2);margin:0}
.trabajo img{width:100%;height:100%;object-fit:cover;transition:transform .55s cubic-bezier(.4,0,.2,1)}
.trabajo:hover img{transform:scale(1.06)}
.trabajo figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:34px 18px 15px;
  background:linear-gradient(to top,rgba(11,18,32,.92),transparent);
  color:#fff;font-weight:600;font-size:.95rem;
}
.trabajo-grande{grid-column:span 2;grid-row:span 2}

/* ---------- Zonas ---------- */
.chips{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;margin-top:30px}
.chip{
  padding:9px 18px;border-radius:7px;font-weight:500;font-size:.9rem;
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);color:#C6D0E0;
  transition:var(--trans);cursor:default;
}
.chip:hover{background:var(--ambar);color:var(--tinta);border-color:var(--ambar)}

/* ---------- Proceso ---------- */
.rejilla-proceso{display:grid;grid-template-columns:repeat(auto-fit,minmax(235px,1fr));gap:22px;counter-reset:paso}
.tarjeta-proceso{background:#fff;border:1px solid var(--linea);border-radius:var(--radio);padding:28px 24px;transition:var(--trans)}
.tarjeta-proceso::before{
  counter-increment:paso;content:"0" counter(paso);
  display:block;font-size:.8rem;font-weight:750;color:var(--ambar);letter-spacing:.12em;margin-bottom:12px;
}
.tarjeta-proceso:hover{box-shadow:var(--sombra-2);transform:translateY(-3px)}
.tarjeta-proceso h3{font-size:1.02rem}
.tarjeta-proceso p{color:var(--texto-2);font-size:.92rem;margin:0}

/* ---------- Preguntas ---------- */
.faq{max-width:820px;margin-inline:auto;border:1px solid var(--linea);border-radius:var(--radio);overflow:hidden;background:#fff}
.pregunta+.pregunta{border-top:1px solid var(--linea)}
.pregunta button{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;
  padding:19px 22px;background:none;border:0;cursor:pointer;font:inherit;font-weight:600;color:var(--texto);font-size:.98rem;
}
.pregunta button:hover{background:#FBFCFE}
.pregunta .mas{
  margin-left:auto;width:22px;height:22px;flex:0 0 22px;position:relative;transition:var(--trans);
}
.pregunta .mas::before,.pregunta .mas::after{
  content:"";position:absolute;left:50%;top:50%;background:#8492A8;border-radius:1px;transform:translate(-50%,-50%);transition:var(--trans);
}
.pregunta .mas::before{width:11px;height:1.8px}
.pregunta .mas::after{width:1.8px;height:11px}
.pregunta.abierto .mas{transform:rotate(90deg)}
.pregunta.abierto .mas::after{opacity:0}
.pregunta.abierto .mas::before{background:var(--ambar);height:2px}
.respuesta{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s cubic-bezier(.4,0,.2,1)}
.pregunta.abierto .respuesta{grid-template-rows:1fr}
.respuesta>div{overflow:hidden}
.respuesta p{padding:0 22px 20px;color:var(--texto-2);margin:0;font-size:.94rem;max-width:70ch}

/* ---------- Contacto ---------- */
.rejilla-contacto{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.datos-contacto{display:grid;gap:12px}
.dato{
  display:flex;gap:15px;align-items:center;padding:18px;border-radius:10px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);transition:var(--trans);
}
.dato:hover{background:rgba(255,255,255,.09);border-color:rgba(245,166,35,.35)}
.dato .icono{background:rgba(245,166,35,.14);color:var(--ambar)}
.dato>span:last-child{display:block}
.dato .et{display:block;font-size:.72rem;letter-spacing:.11em;text-transform:uppercase;color:#8593AB;font-weight:600;line-height:1.5}
.dato .val{display:block;font-weight:650;color:#fff;font-size:1rem;line-height:1.4}

.formulario{background:#fff;border-radius:var(--radio);padding:30px;box-shadow:var(--sombra-3)}
.formulario h3{margin-bottom:5px}
.formulario>p{color:var(--texto-2);font-size:.92rem;margin-bottom:20px}
.campo{margin-bottom:15px}
.campo label{display:block;font-weight:600;font-size:.83rem;margin-bottom:6px;color:#3C4A63}
.campo input,.campo select,.campo textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--linea);border-radius:8px;
  font:inherit;font-size:.94rem;transition:var(--trans);background:#FCFDFE;color:var(--texto);
}
.campo textarea{min-height:100px;resize:vertical}
.campo input:focus,.campo select:focus,.campo textarea:focus{
  outline:0;border-color:var(--ambar);background:#fff;box-shadow:0 0 0 3px rgba(245,166,35,.14);
}
.formulario .btn{width:100%}
.legal{font-size:.77rem;color:#94A3B8;margin:12px 0 0;text-align:center}
.aviso-form{
  display:none;margin-top:13px;padding:13px;border-radius:8px;font-size:.9rem;
  background:var(--ambar-suave);border:1px solid #F3D9A8;color:#7A5410;
}
.aviso-form.visible{display:block}

/* ---------- Pie ---------- */
.pie{background:#080D18;color:#8593AB;padding:60px 0 24px;font-size:.91rem}
.pie-rejilla{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:42px}
.pie h4{color:#fff;font-size:.93rem;margin-bottom:15px;letter-spacing:0}
.pie a:hover{color:var(--ambar)}
.pie ul{display:grid;gap:8px}
.pie .logo{margin-bottom:15px}
.pie-abajo{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:.84rem}

/* ---------- Flotantes ---------- */
.flotantes{position:fixed;right:20px;bottom:20px;z-index:800;display:grid;gap:10px;justify-items:end}
.flotante{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;box-shadow:var(--sombra-2);transition:var(--trans);border:0;cursor:pointer}
.flotante svg{width:24px;height:24px}
.flotante:hover{transform:scale(1.07)}
.f-tel{background:var(--ambar);color:var(--tinta)}
.f-wa{background:#1FA463;color:#fff}
.f-arriba{background:rgba(11,18,32,.85);color:#fff;width:42px;height:42px;opacity:0;pointer-events:none}
.f-arriba.visible{opacity:1;pointer-events:auto}
.f-arriba svg{width:18px;height:18px}

.barra-movil{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:850;
  background:rgba(11,18,32,.98);padding:9px;gap:9px;border-top:1px solid rgba(255,255,255,.1);
}
.barra-movil a{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px;border-radius:8px;font-weight:650;font-size:.93rem}
.barra-movil svg{width:17px;height:17px}
.bm-tel{background:var(--ambar);color:var(--tinta)}
.bm-wa{background:#1FA463;color:#fff}

/* ---------- Aparicion al hacer scroll (sutil) ---------- */
.aparece{opacity:0;transform:translateY(18px);transition:opacity .6s cubic-bezier(.4,0,.2,1),transform .6s cubic-bezier(.4,0,.2,1)}
.aparece.visto{opacity:1;transform:none}
.aparece.d1{transition-delay:.06s}
.aparece.d2{transition-delay:.12s}
.aparece.d3{transition-delay:.18s}
.aparece.d4{transition-delay:.24s}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .hero .contenedor{grid-template-columns:1fr;gap:42px}
  .boletin,.rejilla-contacto{grid-template-columns:1fr;gap:36px}
  .pie-rejilla{grid-template-columns:1fr 1fr;gap:32px}
  .rejilla-num{grid-template-columns:repeat(2,1fr);gap:28px}
  .galeria{grid-template-columns:repeat(2,1fr);grid-auto-rows:180px}
  .trabajo-grande{grid-column:span 2;grid-row:span 1}
}
@media (max-width:840px){
  .hamburguesa{display:block}
  .menu{
    position:fixed;left:0;right:0;top:0;padding:92px 24px 30px;
    background:#080D18;flex-direction:column;align-items:stretch;gap:4px;
    transform:translateY(-102%);transition:transform .38s cubic-bezier(.4,0,.2,1);
    box-shadow:0 16px 40px rgba(0,0,0,.45);
  }
  .menu.abierto{transform:translateY(0)}
  .menu a{padding:14px 14px;font-size:1.02rem;border-radius:8px}
  .menu a:hover{background:rgba(255,255,255,.06)}
  .btn-tel-cab{justify-content:center;margin:10px 0 0}
  .flotantes{bottom:80px;right:16px}
  .f-tel,.f-wa{display:none}
  .barra-movil{display:flex}
  body{padding-bottom:66px}
  .seccion{padding:64px 0}
  .hero{padding:126px 0 64px}
}
@media (max-width:520px){
  .pie-rejilla{grid-template-columns:1fr}
  .botonera .btn{width:100%}
  .formulario{padding:22px}
  .rejilla-ventajas{grid-template-columns:1fr}
  .galeria{grid-template-columns:1fr;grid-auto-rows:190px}
  .trabajo-grande{grid-column:span 1}
}

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