/* RHD · Reductores · integración fotográfica
   Evidencia real RHD + referencias de configuración claramente separadas.
   Los fondos fotográficos se limitan a desgaste y lubricación para conservar jerarquía visual. */

.reducer-reference{
  padding:82px max(22px,calc((100vw - 1180px)/2));
  background:#ecece8;
  border-top:1px solid #d0d0cb;
  border-bottom:1px solid #d0d0cb;
}
.reducer-reference-head,.reducer-evidence-head{
  display:grid;
  grid-template-columns:.86fr 1.14fr;
  gap:50px;
  align-items:end;
  margin-bottom:40px;
}
.reducer-reference-head small,.reducer-evidence-head small{
  display:block;
  margin-bottom:12px;
  color:var(--red);
  font-size:10px;
  font-weight:800;
  letter-spacing:.16em;
  text-transform:uppercase;
}
.reducer-reference-head h2,.reducer-evidence-head h2{
  margin:0;
  font-family:"Barlow Condensed",Inter,sans-serif;
  font-size:clamp(46px,5.2vw,72px);
  line-height:.91;
  text-transform:uppercase;
}
.reducer-reference-head p,.reducer-evidence-head p{
  margin:0;
  color:#5e5e5e;
  line-height:1.78;
}
.reducer-reference-head p strong{color:#181818}
.reducer-reference-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
}
.reducer-reference-card{
  margin:0;
  overflow:hidden;
  background:#fff;
  border:1px solid #cecec9;
  box-shadow:0 9px 28px rgba(0,0,0,.035);
}
.reducer-reference-media{
  height:220px;
  overflow:hidden;
  background:#171717;
}
.reducer-reference-media img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  transition:transform .42s ease,filter .42s ease;
}
.reducer-reference-media--contain{
  background:#f7f7f4;
}
.reducer-reference-media--contain img{
  object-fit:contain;
  padding:18px;
  box-sizing:border-box;
  mix-blend-mode:multiply;
}
.reducer-reference-card:hover .reducer-reference-media img{
  transform:scale(1.025);
  filter:contrast(1.025);
}
.reducer-reference-card figcaption{
  padding:24px 25px 27px;
}
.reducer-reference-card figcaption span{
  display:inline-flex;
  padding:6px 8px;
  border-left:3px solid #777;
  background:#ecece8;
  color:#666;
  font-size:9px;
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.reducer-reference-card figcaption strong{
  display:block;
  margin:20px 0 9px;
  font-family:"Barlow Condensed",Inter,sans-serif;
  font-size:31px;
  line-height:.96;
  text-transform:uppercase;
}
.reducer-reference-card figcaption p{
  margin:0;
  color:#666;
  font-size:12px;
  line-height:1.68;
}

/* Fondo editorial 01: desgaste y condición del engranaje.
   La foto queda como atmósfera, no como sustituto de la evidencia explícita. */
#desgaste{
  position:relative;
  isolation:isolate;
  overflow:hidden;
}
#desgaste::before{
  content:"";
  position:absolute;
  inset:-24px -10vw;
  z-index:-2;
  background:url("../assets/optimized/servicios/reductores/engrane%20interno%20de%20caja.webp") 72% 48%/cover no-repeat;
  opacity:.28;
  filter:grayscale(.12) saturate(.82) contrast(1.08);
  transform:scale(1.035);
  -webkit-mask-image:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.62) 7%,#000 23%,#000 96%,transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.62) 7%,#000 23%,#000 96%,transparent 100%);
}
#desgaste::after{
  content:"";
  position:absolute;
  inset:0 -10vw;
  z-index:-1;
  background:linear-gradient(90deg,rgba(244,244,241,.95) 0%,rgba(244,244,241,.84) 34%,rgba(244,244,241,.57) 72%,rgba(244,244,241,.74) 100%);
  pointer-events:none;
}
#desgaste .reducer-section-head,#desgaste .reducer-wear-atlas{
  position:relative;
  z-index:1;
}
#desgaste .reducer-section-head p{color:#474747}
#desgaste .reducer-wear{
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(1.2px);
}

.reducer-evidence{
  padding:84px max(22px,calc((100vw - 1180px)/2));
  background:#101112;
  color:#fff;
}
.reducer-evidence-head p{color:#aaa}
.reducer-evidence-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}
.reducer-evidence-card{
  position:relative;
  min-height:390px;
  margin:0;
  overflow:hidden;
  background:#151515;
  border:1px solid #343434;
}
.reducer-evidence-card img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  transition:transform .45s ease,filter .45s ease;
}
.reducer-evidence-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,.02) 30%,rgba(0,0,0,.88) 100%);
  pointer-events:none;
}
.reducer-evidence-card:hover img{
  transform:scale(1.025);
  filter:contrast(1.03);
}
.reducer-evidence-card figcaption{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  z-index:2;
  padding:30px;
}
.reducer-evidence-card figcaption span{
  display:block;
  color:#ff474d;
  font-size:9px;
  font-weight:800;
  letter-spacing:.14em;
  text-transform:uppercase;
}
.reducer-evidence-card figcaption strong{
  display:block;
  margin-top:9px;
  color:#fff;
  font-family:"Barlow Condensed",Inter,sans-serif;
  font-size:31px;
  line-height:.96;
  text-transform:uppercase;
}
.reducer-evidence-card figcaption p{
  max-width:560px;
  margin:10px 0 0;
  color:#d0d0d0;
  font-size:11.5px;
  line-height:1.62;
}

/* Fondo editorial 02: lubricación y contaminación interna.
   El contenido mantiene contraste mediante una capa clara y tarjetas translúcidas. */
#lubricacion{
  position:relative;
  isolation:isolate;
  overflow:hidden;
}
#lubricacion::before{
  content:"";
  position:absolute;
  inset:-24px -10vw;
  z-index:-2;
  background:url("../assets/optimized/servicios/reductores/caja%20internamente%20armada%20con%20aceite%20sucio.webp") 68% 52%/cover no-repeat;
  opacity:.48;
  filter:grayscale(.14) saturate(.82) contrast(1.06);
  transform:scale(1.035);
  -webkit-mask-image:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.62) 7%,#000 23%,#000 96%,transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.62) 7%,#000 23%,#000 96%,transparent 100%);
}
#lubricacion::after{
  content:"";
  position:absolute;
  inset:0 -10vw;
  z-index:-1;
  background:linear-gradient(90deg,rgba(244,244,241,.94) 0%,rgba(244,244,241,.75) 35%,rgba(244,244,241,.42) 72%,rgba(244,244,241,.62) 100%);
  pointer-events:none;
}
#lubricacion .reducer-section-head,#lubricacion .reducer-oil-layout{
  position:relative;
  z-index:1;
}
#lubricacion .reducer-section-head p{color:#454545}
#lubricacion .reducer-oil-card{
  background:rgba(16,16,16,.91);
  backdrop-filter:blur(1.2px);
}
#lubricacion .reducer-seal-grid{
  background:rgba(187,187,187,.72);
}
#lubricacion .reducer-seal-grid article{
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(1px);
}

@media(max-width:980px){
  .reducer-reference-head,.reducer-evidence-head{grid-template-columns:1fr}
  .reducer-reference-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .reducer-evidence-card{min-height:350px}
  #desgaste::before,#lubricacion::before{inset:-20px -6vw}
  #desgaste::after,#lubricacion::after{inset:0 -6vw}
}

@media(max-width:640px){
  .reducer-reference,.reducer-evidence{padding:64px 15px}
  .reducer-reference-grid,.reducer-evidence-grid{grid-template-columns:1fr}
  .reducer-reference-media{height:210px}
  .reducer-evidence-card{min-height:330px}
  .reducer-evidence-card figcaption{padding:25px 22px}
  #desgaste::before{
    inset:-16px -30px;
    background-position:66% center;
    opacity:.22;
    -webkit-mask-image:none;
    mask-image:none;
  }
  #desgaste::after{inset:0 -30px;background:rgba(244,244,241,.82)}
  #lubricacion::before{
    inset:-16px -30px;
    background-position:62% center;
    opacity:.34;
    -webkit-mask-image:none;
    mask-image:none;
  }
  #lubricacion::after{inset:0 -30px;background:rgba(244,244,241,.76)}
}

@media(prefers-reduced-motion:reduce){
  .reducer-reference-media img,.reducer-evidence-card img{transition:none}
}