/* ============================================================
   IRON DOORS — hoja de estilos principal
   Paleta: negro forja + acero + naranja incandescente
   ============================================================ */

:root{
  --negro:#0b0b0d;
  --carbon:#141519;
  --acero:#1e2026;
  --acero-claro:#2b2e36;
  --linea:#33363f;
  --humo:#9aa0aa;
  --hueso:#f4f2ef;
  --blanco:#ffffff;
  --fuego:#e2571e;
  --fuego-claro:#ff7a3d;
  --oro:#c9a227;

  --fuente-titulo:"Oswald","Arial Narrow",Impact,sans-serif;
  --fuente-texto:"Inter","Segoe UI",Helvetica,Arial,sans-serif;

  --ancho:1200px;
  --radio:4px;
  --transicion:.35s cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;overflow-x:hidden}

body{
  margin:0;
  background:var(--negro);
  color:var(--hueso);
  font-family:var(--fuente-texto);
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3,h4{
  font-family:var(--fuente-titulo);
  font-weight:600;
  line-height:1.05;
  letter-spacing:.01em;
  margin:0 0 .5em;
  text-transform:uppercase;
}
h1{font-size:clamp(2.5rem,7vw,4.75rem)}
h2{font-size:clamp(1.9rem,4.2vw,3rem)}
h3{font-size:clamp(1.15rem,2vw,1.4rem)}
p{margin:0 0 1.1em}

.contenedor{width:min(100% - 2.5rem,var(--ancho));margin-inline:auto}
.seccion{padding:clamp(4rem,9vw,7.5rem) 0}
.seccion--carbon{background:var(--carbon)}
.seccion--acero{background:linear-gradient(180deg,var(--carbon),var(--acero))}

/* --- Encabezados de seccion --- */
.antetitulo{
  font-family:var(--fuente-titulo);
  font-size:.8rem;letter-spacing:.28em;text-transform:uppercase;
  color:var(--fuego);margin:0 0 .9rem;display:flex;align-items:center;gap:.75rem;
}
.antetitulo::before{content:"";width:34px;height:2px;background:var(--fuego)}
.centrado{text-align:center}
.centrado .antetitulo{justify-content:center}
.entradilla{color:var(--humo);max-width:62ch;font-size:1.05rem}
.centrado .entradilla{margin-inline:auto}

/* --- Botones --- */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--fuente-titulo);font-size:.95rem;letter-spacing:.12em;text-transform:uppercase;
  padding:1rem 1.9rem;border:1px solid transparent;border-radius:var(--radio);
  cursor:pointer;transition:var(--transicion);
}
.btn--fuego{background:var(--fuego);color:#fff}
.btn--fuego:hover{background:var(--fuego-claro);transform:translateY(-2px);box-shadow:0 12px 28px rgba(226,87,30,.28)}
.btn--linea{border-color:var(--linea);color:var(--hueso);background:transparent}
.btn--linea:hover{border-color:var(--hueso);background:rgba(255,255,255,.05)}
.btn--bloque{width:100%;justify-content:center}
.acciones{display:flex;flex-wrap:wrap;gap:1rem}
.centrado .acciones{justify-content:center}

/* ============================ CABECERA ============================ */
.cabecera{
  position:fixed;inset:0 0 auto;z-index:100;
  background:transparent;transition:background .35s ease,border-color .35s ease;
  border-bottom:1px solid transparent;
}
.cabecera.solida{background:rgba(11,11,13,.94);backdrop-filter:blur(10px);border-bottom-color:var(--linea)}
.cabecera__fila{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;height:82px}

.logo{display:inline-flex;align-items:center;line-height:0}
.logo__img{height:60px;width:auto;flex:none;transition:opacity .3s ease}
.logo:hover .logo__img{opacity:.82}
.pie .logo__img{height:76px}

.menu{display:flex;align-items:center;gap:2rem}
.menu a{
  font-family:var(--fuente-titulo);font-size:.9rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--hueso);padding:.35rem 0;position:relative;
}
.menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--fuego);transition:width .3s ease}
.menu a:hover::after,.menu a.activo::after{width:100%}

.cabecera__tel{display:flex;align-items:center;gap:.55rem;font-family:var(--fuente-titulo);letter-spacing:.08em;color:var(--hueso)}
.cabecera__tel svg{color:var(--fuego)}

.hamburguesa{display:none;background:none;border:0;padding:.5rem;cursor:pointer;color:var(--hueso)}
.hamburguesa span{display:block;width:26px;height:2px;background:currentColor;margin:5px 0;transition:var(--transicion)}
.hamburguesa.abierta span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburguesa.abierta span:nth-child(2){opacity:0}
.hamburguesa.abierta span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:960px){
  .menu{
    position:fixed;inset:82px 0 auto;flex-direction:column;align-items:stretch;gap:0;
    background:var(--carbon);border-bottom:1px solid var(--linea);
    padding:1rem 1.25rem 2rem;transform:translateY(-120%);transition:transform .4s ease;
  }
  .menu.abierto{transform:translateY(0)}
  .menu a{padding:1rem 0;border-bottom:1px solid var(--linea)}
  .cabecera__tel span{display:none}
  .logo__img{height:46px}
  .hamburguesa{display:block}
}

/* ============================ HERO ============================ */
.hero{
  position:relative;min-height:min(100vh,860px);display:flex;align-items:center;
  padding:120px 0 80px;overflow:hidden;
  background:
    radial-gradient(900px 500px at 78% 32%,rgba(226,87,30,.16),transparent 62%),
    linear-gradient(180deg,#0b0b0d 0%,#141519 60%,#0b0b0d 100%);
}
.hero::before{ /* trama de barras de hierro */
  content:"";position:absolute;inset:0;opacity:.28;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 74px);
}
.hero__rejilla{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4rem);align-items:center;position:relative;z-index:2}
.hero h1{margin-bottom:1.2rem}
.hero h1 em{font-style:normal;color:var(--fuego);display:block}
.hero__texto{color:var(--humo);font-size:1.12rem;max-width:52ch}
.hero__sello{
  display:inline-flex;align-items:center;gap:.6rem;margin-bottom:1.5rem;
  border:1px solid var(--linea);border-radius:100px;padding:.45rem 1.1rem;
  font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--humo);
}
.hero__sello b{color:var(--hueso);font-weight:600}
.punto{width:8px;height:8px;border-radius:50%;background:var(--fuego);box-shadow:0 0 0 4px rgba(226,87,30,.2)}
.hero__imagen{position:relative}
.hero__imagen img{width:100%;border-radius:var(--radio);border:1px solid var(--linea)}
.hero__dato{
  position:absolute;left:-18px;bottom:-22px;background:var(--fuego);color:#fff;
  padding:1.1rem 1.4rem;border-radius:var(--radio);box-shadow:0 18px 40px rgba(0,0,0,.5);
}
.hero__dato strong{display:block;font-family:var(--fuente-titulo);font-size:2rem;line-height:1}
.hero__dato span{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;opacity:.9}
@media(max-width:900px){
  .hero__rejilla{grid-template-columns:1fr}
  .hero{min-height:auto;padding-top:110px}
  .hero__dato{position:static;display:inline-block;margin-top:1.2rem;padding:.9rem 1.2rem}
}

/* ============================ BARRA DE VENTAJAS ============================ */
.ventajas{background:var(--acero);border-block:1px solid var(--linea)}
.ventajas__rejilla{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.ventaja{display:flex;gap:1rem;align-items:flex-start;padding:2.2rem 1.6rem;border-right:1px solid var(--linea)}
.ventaja:last-child{border-right:0}
.ventaja svg{color:var(--fuego);flex:none;margin-top:3px}
.ventaja h3{font-size:1rem;margin:0 0 .25rem}
.ventaja p{margin:0;color:var(--humo);font-size:.92rem;line-height:1.5}
@media(max-width:880px){.ventajas__rejilla{grid-template-columns:repeat(2,1fr)}.ventaja:nth-child(2n){border-right:0}.ventaja:nth-child(-n+2){border-bottom:1px solid var(--linea)}}
@media(max-width:520px){.ventajas__rejilla{grid-template-columns:1fr}.ventaja{border-right:0;border-bottom:1px solid var(--linea)}}

/* ============================ DESTACADO ============================ */
.destacado{position:relative;background:radial-gradient(760px 420px at 12% 18%,rgba(226,87,30,.14),transparent 60%),var(--carbon);border-bottom:1px solid var(--linea)}
.destacado h2{margin-bottom:1.1rem}
.destacado .lista-check{margin-top:2rem}
.destacado .lista-check b{color:var(--hueso);font-weight:600}

/* ============================ SERVICIOS ============================ */
.servicios{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem;margin-top:3rem}
.servicio{
  position:relative;display:flex;flex-direction:column;
  background:var(--acero);border:1px solid var(--linea);border-radius:var(--radio);
  overflow:hidden;transition:var(--transicion);
}
.servicio:hover{transform:translateY(-6px);border-color:var(--fuego);box-shadow:0 20px 45px rgba(0,0,0,.45)}
.servicio__foto{aspect-ratio:4/3;overflow:hidden;background:var(--carbon)}
.servicio__foto img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.servicio:hover .servicio__foto img{transform:scale(1.06)}
.servicio__cuerpo{padding:1.6rem;display:flex;flex-direction:column;flex:1}
.servicio__cuerpo p{color:var(--humo);font-size:.95rem;flex:1}
.enlace-flecha{display:inline-flex;align-items:center;gap:.5rem;color:var(--fuego);font-family:var(--fuente-titulo);font-size:.88rem;letter-spacing:.12em;text-transform:uppercase}
.enlace-flecha svg{transition:transform .3s ease}
.servicio:hover .enlace-flecha svg{transform:translateX(5px)}

/* ============================ PROCESO ============================ */
.proceso{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2rem;margin-top:3.5rem;counter-reset:paso}
.paso{position:relative;padding-top:2.6rem}
.paso::before{
  counter-increment:paso;content:"0" counter(paso);
  position:absolute;top:0;left:0;font-family:var(--fuente-titulo);font-size:2.6rem;line-height:1;
  color:transparent;-webkit-text-stroke:1px var(--linea);
}
.paso h3{font-size:1.1rem}
.paso p{color:var(--humo);font-size:.94rem;margin:0}

/* ============================ GALERIA ============================ */
.galeria{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin-top:3rem}
.galeria figure{position:relative;margin:0;overflow:hidden;border-radius:var(--radio);border:1px solid var(--linea);aspect-ratio:1/1}
.galeria figure:first-child{grid-column:span 2;aspect-ratio:auto}
.galeria img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.galeria figure:hover img{transform:scale(1.07)}
.galeria figcaption{
  position:absolute;inset:auto 0 0;padding:1.4rem 1.2rem .95rem;
  background:linear-gradient(transparent,rgba(0,0,0,.85));
  font-family:var(--fuente-titulo);letter-spacing:.1em;text-transform:uppercase;font-size:.85rem;
}
@media(max-width:600px){.galeria figure:first-child{grid-column:span 1;aspect-ratio:1/1}}

/* ============================ ACABADOS ============================ */
.acabados{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.25rem;margin-top:3rem}
.acabado{background:var(--carbon);border:1px solid var(--linea);border-radius:var(--radio);padding:1.6rem;transition:var(--transicion)}
.acabado:hover{border-color:var(--fuego)}
.muestra{width:100%;height:64px;border-radius:var(--radio);margin-bottom:1.1rem;border:1px solid rgba(255,255,255,.08)}
.muestra--forja{background:linear-gradient(135deg,#1b1b1e,#3a3a40 45%,#141416)}
.muestra--corten{background:linear-gradient(135deg,#8a3b18,#c1663a 45%,#6d2f14)}
.muestra--galva{background:linear-gradient(135deg,#8f959c,#d7dbe0 45%,#767c85)}
.muestra--lacado{background:linear-gradient(135deg,#0f0f11,#26262b 45%,#0a0a0b)}
.muestra--inox{background:linear-gradient(135deg,#b9bfc6,#f0f3f6 40%,#9aa1a9)}
.acabado h3{font-size:1.05rem;margin-bottom:.35rem}
.acabado p{color:var(--humo);font-size:.9rem;margin:0}

/* ============================ LOCALES ============================ */
.locales{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1.25rem;margin-top:3rem}
.local{display:flex;flex-direction:column;background:var(--acero);border:1px solid var(--linea);border-radius:var(--radio);padding:1.7rem;transition:var(--transicion)}
.local:hover{border-color:var(--fuego);transform:translateY(-4px)}
.local__tipo{font-family:var(--fuente-titulo);font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;color:var(--fuego);margin-bottom:.6rem}
.local h3{font-size:1.15rem;margin:0 0 .6rem}
.local__dir{color:var(--hueso);font-size:.96rem;margin:0 0 .5rem}
.local__nota{color:var(--humo);font-size:.88rem;margin:0 0 1.2rem;flex:1}
.local{cursor:pointer}
.local:focus-visible{outline:2px solid var(--fuego);outline-offset:3px}
.local--activo{border-color:var(--fuego);background:linear-gradient(180deg,rgba(226,87,30,.10),transparent 60%),var(--acero)}
.local__estado{font-family:var(--fuente-titulo);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--humo);margin:0 0 .9rem;display:flex;align-items:center;gap:.5rem}
.local__estado::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--linea);flex:none;transition:var(--transicion)}
.local--activo .local__estado{color:var(--fuego)}
.local--activo .local__estado::before{background:var(--fuego);box-shadow:0 0 0 4px rgba(226,87,30,.22)}
.mapa__aviso{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.1rem;text-align:center;padding:clamp(2.2rem,5vw,3.4rem) 1.5rem;background:var(--carbon);min-height:300px}
.mapa__aviso svg{color:var(--fuego)}
.mapa__aviso p{color:var(--humo);font-size:.95rem;max-width:52ch;margin:0;line-height:1.6}
.mapa__nota{font-size:.85rem !important;color:var(--humo) !important;opacity:.85}
.mapa__nota a{color:var(--hueso);text-decoration:underline}
.mapa__nota a:hover{color:var(--fuego)}
.texto-legal__fecha{margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--linea);font-size:.88rem;color:var(--humo)}
.texto-legal h3{color:var(--hueso)}
.texto-legal a{color:var(--fuego);text-decoration:underline}
.texto-legal ul{padding-left:1.2rem}
.texto-legal li{margin-bottom:.5rem}
.mapa__titulo{margin:0;padding:.95rem 1.2rem;background:var(--acero);border-bottom:1px solid var(--linea);font-family:var(--fuente-titulo);letter-spacing:.06em;font-size:.95rem;line-height:1.4;color:var(--hueso)}

/* ============================ ZONA ============================ */
.zona{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:2rem;padding:0}
.zona li{
  list-style:none;border:1px solid var(--linea);border-radius:100px;padding:.5rem 1.1rem;
  font-size:.88rem;color:var(--humo);transition:var(--transicion);
}
.zona li:hover{border-color:var(--fuego);color:var(--hueso)}
.dos-columnas{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
@media(max-width:860px){.dos-columnas{grid-template-columns:1fr}}

/* ============================ FAQ ============================ */
.faq{max-width:820px;margin:3rem auto 0}
.faq details{border-bottom:1px solid var(--linea)}
.faq summary{
  cursor:pointer;list-style:none;padding:1.4rem 2.5rem 1.4rem 0;position:relative;
  font-family:var(--fuente-titulo);font-size:1.1rem;text-transform:none;letter-spacing:0;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:.4rem;top:50%;transform:translateY(-50%);
  color:var(--fuego);font-size:1.6rem;line-height:1;transition:transform .3s ease;
}
.faq details[open] summary::after{content:"\2212"}
.faq p{color:var(--humo);margin:0 0 1.4rem;font-size:.98rem}

/* ============================ CTA / FORMULARIO ============================ */
.cta{
  background:
    radial-gradient(700px 380px at 20% 30%,rgba(226,87,30,.18),transparent 60%),
    var(--acero);
  border-block:1px solid var(--linea);
}
.formulario{background:var(--carbon);border:1px solid var(--linea);border-radius:var(--radio);padding:clamp(1.6rem,3vw,2.4rem)}
.campo{margin-bottom:1.1rem}
.campo label{display:block;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:var(--humo);margin-bottom:.45rem}
.campo input,.campo select,.campo textarea{
  width:100%;padding:.85rem 1rem;background:var(--negro);color:var(--hueso);
  border:1px solid var(--linea);border-radius:var(--radio);font:inherit;font-size:.98rem;
  transition:border-color .25s ease;
}
.campo input:focus,.campo select:focus,.campo textarea:focus{outline:none;border-color:var(--fuego)}
.campo textarea{min-height:130px;resize:vertical}
.campo-doble{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
@media(max-width:560px){.campo-doble{grid-template-columns:1fr}}
.legal{font-size:.8rem;color:var(--humo);display:flex;gap:.6rem;align-items:flex-start;margin:1.2rem 0}
.legal input{width:auto;margin-top:.25rem;accent-color:var(--fuego)}
.legal a{color:var(--fuego);text-decoration:underline}
.aviso-form{margin-top:1rem;padding:.9rem 1rem;border-radius:var(--radio);font-size:.9rem;display:none}
.aviso-form.ok{display:block;background:rgba(226,87,30,.12);border:1px solid var(--fuego);color:var(--hueso)}

.contacto-datos{display:grid;gap:1.6rem;margin-top:2.4rem}
.dato{display:flex;gap:1rem;align-items:flex-start}
.dato svg{color:var(--fuego);flex:none;margin-top:4px}
.dato h3{font-size:.95rem;margin:0 0 .2rem}
.dato p,.dato a{color:var(--humo);margin:0;font-size:.98rem}
.dato a:hover{color:var(--fuego)}
.mapa{margin-top:2.5rem;border:1px solid var(--linea);border-radius:var(--radio);overflow:hidden;line-height:0}
.mapa iframe{width:100%;height:340px;border:0;filter:grayscale(1) invert(.92) contrast(.85)}

/* ============================ PIE ============================ */
.pie{background:var(--negro);border-top:1px solid var(--linea);padding:4rem 0 2rem}
.pie__rejilla{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2.5rem}
.pie h4{font-family:var(--fuente-titulo);font-size:.9rem;letter-spacing:.18em;text-transform:uppercase;color:var(--hueso);margin:0 0 1.1rem}
.pie p,.pie li,.pie a{color:var(--humo);font-size:.93rem}
.pie ul{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}
.pie a:hover{color:var(--fuego)}
.pie__abajo{
  margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--linea);
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;font-size:.85rem;color:var(--humo);
}
@media(max-width:860px){.pie__rejilla{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.pie__rejilla{grid-template-columns:1fr}}

/* ============================ WHATSAPP ============================ */
.wapp{
  position:fixed;right:20px;bottom:20px;z-index:90;
  width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;
  display:grid;place-items:center;box-shadow:0 10px 26px rgba(0,0,0,.45);
  transition:var(--transicion);
}
.wapp:hover{transform:scale(1.08)}

/* ============================ PAGINAS INTERIORES ============================ */
.cabecera-pagina{
  padding:170px 0 clamp(3rem,7vw,5rem);
  background:
    radial-gradient(700px 380px at 75% 20%,rgba(226,87,30,.16),transparent 60%),
    linear-gradient(180deg,#0b0b0d,#141519);
  border-bottom:1px solid var(--linea);
}
.cabecera-pagina h1{font-size:clamp(2.2rem,5.5vw,3.8rem)}
.miga{font-size:.82rem;color:var(--humo);margin-bottom:1rem;letter-spacing:.06em}
.miga a:hover{color:var(--fuego)}
.tipos{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-top:3rem}
.tipo{background:var(--carbon);border:1px solid var(--linea);border-radius:var(--radio);padding:1.8rem;transition:var(--transicion)}
.tipo:hover{border-color:var(--fuego);transform:translateY(-4px)}
.tipo h3{font-size:1.1rem}
.tipo p{color:var(--humo);font-size:.94rem;margin:0}
.tipo__num{font-family:var(--fuente-titulo);color:var(--fuego);font-size:.8rem;letter-spacing:.2em;display:block;margin-bottom:.7rem}

.lista-check{list-style:none;padding:0;margin:1.5rem 0 0;display:grid;gap:.9rem}
.lista-check li{display:flex;gap:.8rem;align-items:flex-start;color:var(--humo);font-size:.98rem}
.lista-check svg{color:var(--fuego);flex:none;margin-top:5px}

.texto-legal{max-width:820px}
.texto-legal h2{font-size:1.5rem;margin-top:2.5rem}
.texto-legal p,.texto-legal li{color:var(--humo);font-size:.98rem}

/* ============================ ANIMACION ============================ */
.revelar{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.revelar.visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .revelar{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}