/* ===================================================================
   RGS Ingeniería Electromecánica S.A.S.
   Hoja de estilos común para index.html, proyectos.html y galeria.html
   =================================================================== */

:root{
  --navy:#173A5E;
  --navy-deep:#0F2740;
  --steel:#78838F;
  --steel-light:#C7CDD4;
  --red:#D42B2B;
  --bg:#FAFAF8;
  --bg-alt:#F0F1F0;
  --charcoal:#14181D;
  --ink:#1C232B;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:'Work Sans', sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.display{
  font-family:'Big Shoulders Display', sans-serif;
  font-weight:800;
  letter-spacing:0.01em;
  line-height:0.95;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{
  max-width:1180px;
  margin:0 auto;
  padding:0 32px;
}
header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(250,250,248,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid #E4E6E4;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 32px;
  max-width:1180px;
  margin:0 auto;
}
.header-inner img{height:38px;width:auto;}
nav{display:flex;align-items:center;gap:32px;}
nav a{font-size:15px;font-weight:500;color:var(--ink);}
nav a:hover{color:var(--navy);}
.nav-phone{
  display:flex;
  align-items:center;
  gap:8px;
  font-weight:600;
  color:var(--navy);
  border:1.5px solid var(--navy);
  padding:8px 16px;
  border-radius:2px;
  font-size:14px;
  white-space:nowrap;
}
.nav-phone:hover{background:var(--navy);color:#fff;}
.hamburger{
  display:none;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
  width:44px;
  height:44px;
  background:none;
  border:none;
  cursor:pointer;
  padding:0;
}
.hamburger span{
  display:block;
  width:22px;
  height:2px;
  background:var(--navy-deep);
  transition:transform .25s ease, opacity .25s ease;
}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-nav{
  display:none;
  flex-direction:column;
  gap:0;
  background:var(--bg);
  border-bottom:1px solid #E4E6E4;
  overflow:hidden;
  max-height:0;
  transition:max-height .3s ease;
}
.mobile-nav.is-open{max-height:480px;}
.mobile-nav a{
  padding:16px 32px;
  font-size:16px;
  font-weight:500;
  border-top:1px solid #E4E6E4;
}
.mobile-nav a.nav-phone{
  color:var(--navy);
  font-weight:600;
}
.hero{
  position:relative;
  overflow:hidden;
  background:var(--bg);
  padding:88px 0 0;
}
.hero-inner{
  max-width:1180px;
  margin:0 auto;
  padding:0 32px 90px;
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:40px;
  align-items:center;
  position:relative;
}
.hero-eyebrow{
  font-size:15px;
  font-weight:600;
  color:var(--red);
  margin-bottom:18px;
}
.hero h1{
  font-size:clamp(40px,5.6vw,68px);
  color:var(--navy-deep);
  margin-bottom:24px;
}
.hero h1 span{color:var(--red);}
.hero p{
  font-size:18px;
  color:#454F58;
  max-width:46ch;
  margin-bottom:34px;
}
.btn-row{display:flex;gap:16px;flex-wrap:wrap;}
.btn{
  display:inline-block;
  padding:15px 30px;
  font-weight:600;
  font-size:15px;
  border-radius:2px;
  transition:transform .15s ease;
}
.btn-primary{background:var(--red);color:#fff;}
.btn-primary:hover{background:#B92222;}
.btn-secondary{border:1.5px solid var(--navy);color:var(--navy);}
.btn-secondary:hover{background:var(--navy);color:#fff;}
.hero-graphic{
  position:relative;
  height:420px;
}
.panel-grid{
  position:absolute;
  inset:0;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  grid-template-rows:repeat(6,1fr);
  gap:8px;
  transform:rotate(-8deg) scale(1.25);
}
.panel-grid div{
  background:var(--steel-light);
  border-radius:3px;
}
.panel-grid div:nth-child(3n){background:var(--navy);}
.panel-grid div:nth-child(5n){background:var(--steel);}
.panel-grid div:nth-child(7n){background:var(--red);opacity:.85;}
.panel-grid div:nth-child(2n+1){opacity:.55;}
.stat-strip{
  background:var(--navy-deep);
  padding:30px 0;
}
.stat-strip .wrap{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:24px;
}
.stat{color:#fff;}
.stat .num{
  font-family:'Big Shoulders Display',sans-serif;
  font-weight:800;
  font-size:40px;
  color:var(--red);
  line-height:1;
}
.stat .label{
  font-size:13px;
  color:#B7C2CC;
  margin-top:4px;
}
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.kicker{
  font-size:14px;
  font-weight:600;
  color:var(--red);
  margin-bottom:10px;
}
.section h2{
  font-size:clamp(32px,4vw,46px);
  color:var(--navy-deep);
  max-width:16ch;
  margin-bottom:20px;
}
.servicios-heading{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
}
.btn-more{
  flex-shrink:0;
  margin-bottom:20px;
}
.photo-slider{
  position:relative;
  margin-top:48px;
  width:100%;
  height:700px;
  max-height:700px;
  border-radius:4px;
  overflow:hidden;
  background:#9BA3AB;
}
.photo-slide{
  position:absolute;
  inset:0;
  opacity:0;
  visibility:hidden;
  transition:opacity .8s ease;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:10px;
  background-image:repeating-linear-gradient(
  45deg,
  rgba(255,255,255,0.06) 0px,
  rgba(255,255,255,0.06) 18px,
  transparent 18px,
  transparent 36px
  );
}
.photo-slide.is-active{opacity:1;visibility:visible;}
.photo-slide .ph-icon{
  width:64px;
  height:64px;
  opacity:.55;
}
.photo-slide .ph-name{
  font-family:'Big Shoulders Display',sans-serif;
  font-weight:800;
  font-size:26px;
  color:#fff;
  letter-spacing:0.02em;
}
.photo-slide .ph-dims{
  font-size:13.5px;
  color:#EAEAEA;
  background:rgba(0,0,0,0.28);
  padding:5px 14px;
  border-radius:20px;
}
.photo-slide-real{background-image:none;}
.photo-slide-real img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
}
.photo-slide-banner{background-image:none;background-color:#F4F5F5;}
.photo-slide-banner img{
  width:100%;
  height:100%;
  object-fit:contain;
  object-position:center;
}
.photo-slider-arrow{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:44px;
  height:44px;
  border-radius:50%;
  border:none;
  background:rgba(15,39,64,0.55);
  color:#fff;
  font-size:20px;
  cursor:pointer;
  z-index:4;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background .2s ease;
}
.photo-slider-arrow:hover{background:var(--red);}
.photo-slider-arrow.prev{left:20px;}
.photo-slider-arrow.next{right:20px;}
.photo-slider-dots{
  position:absolute;
  left:50%;
  bottom:24px;
  transform:translateX(-50%);
  display:flex;
  gap:10px;
  z-index:4;
}
.photo-slider-dots button{
  width:10px;
  height:10px;
  border-radius:50%;
  border:1.5px solid #fff;
  background:transparent;
  cursor:pointer;
  padding:0;
  transition:background .2s ease;
}
.photo-slider-dots button.is-active{background:#fff;}
.banner-stack{
  display:flex;
  flex-direction:column;
  gap:22px;
  margin-top:48px;
}
.banner-stack img{
  width:100%;
  height:auto;
  border-radius:4px;
  display:block;
}
.banner-stack .pe-panel{
  opacity:0;
  transform:translateX(-70px);
  transition:opacity .7s ease, transform .7s ease;
}
.banner-stack .pe-panel.is-visible{
  opacity:1;
  transform:translateX(0);
}
#proyectos-especiales .pe-item,
  #escaleras-barandas .pe-item{
  opacity:0;
  transform:translateX(80px);
  transition:opacity .7s ease, transform .7s ease;
}
#proyectos-especiales.is-visible .pe-item,
  #escaleras-barandas.is-visible .pe-item{
  opacity:1;
  transform:translateX(0);
}
#proyectos-especiales.is-visible .pe-item:nth-child(1),
  #escaleras-barandas.is-visible .pe-item:nth-child(1){transition-delay:.35s;}
#proyectos-especiales.is-visible .pe-item:nth-child(2),
  #escaleras-barandas.is-visible .pe-item:nth-child(2){transition-delay:.55s;}
#proyectos-especiales.is-visible .pe-item:nth-child(3),
  #escaleras-barandas.is-visible .pe-item:nth-child(3){transition-delay:.75s;}
#proyectos-especiales.is-visible .pe-item:nth-child(4),
  #escaleras-barandas.is-visible .pe-item:nth-child(4){transition-delay:.95s;}
#puertas-paneleria .ic-col{
  opacity:0;
  transform:translateX(80px);
  transition:opacity .7s ease, transform .7s ease;
}
#puertas-paneleria.is-visible .ic-col{
  opacity:1;
  transform:translateX(0);
}
#puertas-paneleria.is-visible .ic-col:nth-child(1){transition-delay:.35s;}
#puertas-paneleria.is-visible .ic-col:nth-child(2){transition-delay:.5s;}
#puertas-paneleria.is-visible .ic-col:nth-child(3){transition-delay:.65s;}
#puertas-paneleria.is-visible .ic-col:nth-child(4){transition-delay:.8s;}
#puertas-paneleria.is-visible .ic-col:nth-child(5){transition-delay:.95s;}
#fachadas-vidrio .ic-col{
  opacity:0;
  transform:translateX(80px);
  transition:opacity .7s ease, transform .7s ease;
}
#fachadas-vidrio.is-visible .ic-col{
  opacity:1;
  transform:translateX(0);
}
#fachadas-vidrio.is-visible .ic-col:nth-child(1){transition-delay:.35s;}
#fachadas-vidrio.is-visible .ic-col:nth-child(2){transition-delay:.5s;}
#fachadas-vidrio.is-visible .ic-col:nth-child(3){transition-delay:.65s;}
#fachadas-vidrio.is-visible .ic-col:nth-child(4){transition-delay:.8s;}
#fachadas-vidrio.is-visible .ic-col:nth-child(5){transition-delay:.95s;}
#servicios-panel .ic-col{
  opacity:0;
  transform:translateX(80px);
  transition:opacity .7s ease, transform .7s ease;
}
#servicios-panel.is-visible .ic-col{
  opacity:1;
  transform:translateX(0);
}
#servicios-panel.is-visible .ic-col:nth-child(1){transition-delay:.3s;}
#servicios-panel.is-visible .ic-col:nth-child(2){transition-delay:.42s;}
#servicios-panel.is-visible .ic-col:nth-child(3){transition-delay:.54s;}
#servicios-panel.is-visible .ic-col:nth-child(4){transition-delay:.66s;}
#servicios-panel.is-visible .ic-col:nth-child(5){transition-delay:.78s;}
#servicios-panel.is-visible .ic-col:nth-child(6){transition-delay:.9s;}
#servicios-panel.is-visible .ic-col:nth-child(7){transition-delay:1.02s;}
#energias-renovables .ic-col{
  opacity:0;
  transform:translateX(80px);
  transition:opacity .7s ease, transform .7s ease;
}
#energias-renovables.is-visible .ic-col{
  opacity:1;
  transform:translateX(0);
}
#energias-renovables.is-visible .ic-col:nth-child(1){transition-delay:.35s;}
#energias-renovables.is-visible .ic-col:nth-child(2){transition-delay:.55s;}
#energias-renovables.is-visible .ic-col:nth-child(3){transition-delay:.75s;}
#energias-renovables.is-visible .ic-col:nth-child(4){transition-delay:.95s;}
#maniobra-electrica .me-item{
  opacity:0;
  transform:translateX(80px);
  transition:opacity .7s ease, transform .7s ease;
}
#maniobra-electrica.is-visible .me-item{
  opacity:1;
  transform:translateX(0);
}
#maniobra-electrica.is-visible .me-item:nth-child(1){transition-delay:.3s;}
#maniobra-electrica.is-visible .me-item:nth-child(2){transition-delay:.4s;}
#maniobra-electrica.is-visible .me-item:nth-child(3){transition-delay:.5s;}
#maniobra-electrica.is-visible .me-item:nth-child(4){transition-delay:.6s;}
#maniobra-electrica.is-visible .me-item:nth-child(5){transition-delay:.7s;}
#maniobra-electrica.is-visible .me-item:nth-child(6){transition-delay:.8s;}
#maniobra-electrica.is-visible .me-item:nth-child(7){transition-delay:.9s;}
#maniobra-electrica.is-visible .me-item:nth-child(8){transition-delay:1s;}
#maniobra-electrica.is-visible .me-item:nth-child(9){transition-delay:1.1s;}
#maniobra-electrica.is-visible .me-item:nth-child(10){transition-delay:1.2s;}
.pe-panel{
  background:var(--bg-alt);
  border:1px solid #E1E4E1;
  border-radius:4px;
  padding:44px 48px;
  position:relative;
  overflow:hidden;
}
.pe-panel::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-60px;
  width:260px;
  height:260px;
  border-radius:50%;
  border:24px solid var(--navy);
  opacity:0.05;
}
.pe-title{
  font-family:'Big Shoulders Display',sans-serif;
  font-weight:800;
  font-size:clamp(26px,3.2vw,36px);
  color:var(--navy);
  position:relative;
  z-index:1;
}
.pe-subtitle{
  font-size:13px;
  letter-spacing:0.08em;
  color:var(--steel);
  text-transform:uppercase;
  margin-top:6px;
  position:relative;
  z-index:1;
}
.pe-title-rule{
  width:64px;
  height:4px;
  background:var(--red);
  margin:14px 0 32px;
  position:relative;
  z-index:1;
}
.pe-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px 44px;
  position:relative;
  z-index:1;
}
.pe-item{
  display:flex;
  gap:18px;
  align-items:flex-start;
}
.pe-item .pe-icon{
  flex-shrink:0;
  width:40px;
  height:40px;
  color:var(--navy);
}
.pe-item p{
  font-size:15.5px;
  color:#3D4750;
  line-height:1.5;
}
.pe-item strong{color:var(--navy);}
.ic-cols{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:30px 24px;
  position:relative;
  z-index:1;
}
.ic-col{text-align:center;}
.ic-col .ic-circle{
  width:62px;
  height:62px;
  border-radius:50%;
  background:#E3E9EF;
  display:flex;
  align-items:center;
  justify-content:center;
  margin:0 auto 14px;
  color:var(--navy);
}
.ic-col .ic-circle svg{width:27px;height:27px;}
.ic-col h4{
  font-size:13px;
  font-weight:700;
  color:var(--navy);
  letter-spacing:0.02em;
  margin-bottom:8px;
  text-transform:uppercase;
  line-height:1.3;
}
.ic-col p{font-size:13.5px;color:#57616B;line-height:1.5;}
.ic-tags{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:8px 0;
  margin-top:34px;
  padding-top:24px;
  border-top:1px solid #DADDDA;
  position:relative;
  z-index:1;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:0.06em;
  color:var(--steel);
  text-transform:uppercase;
}
.ic-tags span:not(:last-child)::after{content:"•";margin-left:10px;margin-right:2px;color:var(--red);}
.re-lead{
  font-size:19px;
  color:var(--navy-deep);
  font-weight:600;
  max-width:60ch;
  margin-bottom:10px;
  position:relative;
  z-index:1;
}
.re-lead b{color:var(--red);}
.re-sub{
  font-size:15px;
  color:#57616B;
  margin-bottom:32px;
  position:relative;
  z-index:1;
}
.re-icons{
  display:flex;
  flex-wrap:wrap;
  gap:36px;
  position:relative;
  z-index:1;
}
.re-icons .ic-col{width:110px;}
.me-header{
  display:flex;
  align-items:center;
  gap:14px;
  position:relative;
  z-index:1;
}
.me-mark{width:22px;height:32px;flex-shrink:0;}
.me-subtitle{
  font-size:15px;
  color:#57616B;
  margin:14px 0 32px;
  position:relative;
  z-index:1;
}
.me-row{
  display:flex;
  flex-wrap:wrap;
  gap:24px 18px;
  position:relative;
  z-index:1;
  margin-bottom:30px;
}
.me-item{width:88px;text-align:center;}
.me-item .ic-circle{width:50px;height:50px;}
.me-item .ic-circle svg{width:21px;height:21px;}
.me-item span{
  font-size:11.5px;color:#3D4750;font-weight:600;line-height:1.3;display:block;
}
.me-bar{
  background:var(--navy);
  color:#fff;
  padding:16px 22px;
  border-radius:4px;
  display:flex;
  align-items:center;
  gap:12px;
  font-size:14.5px;
  position:relative;
  z-index:1;
}
.me-bar svg{width:16px;height:16px;flex-shrink:0;color:var(--red);}
.servicios-list{
  margin-top:56px;
  border-top:1px solid #DADDDA;
}
.servicio-row{
  display:grid;
  grid-template-columns:120px 1fr 1.3fr;
  gap:32px;
  align-items:center;
  padding:40px 0;
  border-bottom:1px solid #DADDDA;
}
.servicio-index{
  font-family:'Big Shoulders Display',sans-serif;
  font-weight:800;
  font-size:56px;
  color:var(--steel-light);
}
.servicio-row h3{
  font-size:26px;
  color:var(--navy);
  font-weight:700;
}
.servicio-row p{color:#4B555E;font-size:15.5px;max-width:52ch;}
.nosotros-grid{
  display:grid;
  grid-template-columns:0.7fr 1.3fr;
  gap:60px;
  align-items:center;
  margin-top:20px;
}
.big-decade{
  background:var(--navy);
  color:#fff;
  padding:48px 36px;
  border-radius:3px;
  position:relative;
  overflow:hidden;
}
.big-decade .num{
  font-family:'Big Shoulders Display',sans-serif;
  font-weight:800;
  font-size:120px;
  line-height:0.8;
}
.big-decade .cap{
  font-size:17px;
  margin-top:10px;
  color:#C7D2DB;
}
.nosotros-text p{
  font-size:16.5px;
  color:#3D4750;
  margin-bottom:18px;
  max-width:58ch;
}
.pillars{
  display:flex;
  gap:28px;
  margin-top:28px;
  flex-wrap:wrap;
}
.pillar{
  border-left:3px solid var(--red);
  padding-left:14px;
}
.pillar strong{display:block;color:var(--navy);font-size:15px;}
.pillar span{font-size:13.5px;color:#6B7580;}
.contacto-panel{
  background:var(--charcoal);
  color:#fff;
  border-radius:4px;
  padding:64px;
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:40px;
  align-items:center;
}
.contacto-panel h2{color:#fff;max-width:none;}
.contacto-panel p{color:#AEB6BE;font-size:16px;max-width:44ch;margin-top:14px;}
.contact-links{display:flex;flex-direction:column;gap:20px;}
.contact-item{
  display:flex;
  flex-direction:column;
  gap:2px;
  border-bottom:1px solid #2B333B;
  padding-bottom:16px;
}
.contact-item .lbl{font-size:12.5px;color:#8892A0;}
.contact-item .val{font-size:19px;font-weight:600;color:#fff;}
.contact-item a.val:hover{color:var(--red);}
footer{
  background:var(--navy-deep);
  padding:32px 0;
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:16px;
}
.footer-inner img{height:26px;filter:brightness(0) invert(1);opacity:.9;}
footer p{color:#7C8896;font-size:13px;}
nav a.is-active{
  color:var(--navy);font-weight:600;box-shadow:inset 0 -2px 0 var(--red);
}
.mobile-nav a.is-active{
  color:var(--navy);font-weight:600;box-shadow:inset 4px 0 0 var(--red);
}
.page-intro{padding:72px 0 8px;}
.page-intro h1{
  font-size:clamp(38px,5vw,60px);
  color:var(--navy-deep);
  margin-bottom:18px;
}
.page-intro p{
  font-size:17px;
  color:#454F58;
  max-width:60ch;
}
.grid-section{padding:48px 0 96px;}
.project-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.card{
  background:#fff;
  border:1px solid #E4E6E4;
  border-radius:4px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.card:hover{
  border-color:var(--steel-light);
  box-shadow:0 8px 24px rgba(15,39,64,0.08);
}
.card-img{
  aspect-ratio:3 / 2;
  background:var(--bg-alt);
  overflow:hidden;
}
.card-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  transition:transform .5s ease;
}
.card:hover .card-img img{transform:scale(1.04);}
.card-body{
  padding:22px 22px 26px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.card-body h3{
  font-size:25px;
  font-weight:700;
  line-height:1.05;
  color:var(--navy);
  margin-bottom:12px;
}
.card-body h3::before{
  content:"";
  display:block;
  width:32px;
  height:3px;
  background:var(--red);
  margin-bottom:14px;
}
.card-body p{
  font-size:14.5px;
  line-height:1.6;
  color:#4B555E;
}
body.lb-lock{overflow:hidden;}
.gallery-section{padding:48px 0 96px;}
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.g-item{
  background:#fff;
  border:1px solid #E4E6E4;
  border-radius:4px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.g-item:hover{
  border-color:var(--steel-light);
  box-shadow:0 8px 24px rgba(15,39,64,0.08);
}
.g-thumb{
  display:block;
  position:relative;
  aspect-ratio:1 / 1;
  overflow:hidden;
  background:var(--bg-alt);
  cursor:zoom-in;
}
.g-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  transition:transform .5s ease;
}
.g-item:hover .g-thumb img{transform:scale(1.05);}
.g-thumb:focus-visible{outline:3px solid var(--red);outline-offset:-3px;}
.g-zoom{
  position:absolute;
  right:12px;
  bottom:12px;
  width:38px;
  height:38px;
  border-radius:50%;
  background:rgba(15,39,64,0.72);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  transform:translateY(6px);
  transition:opacity .25s ease, transform .25s ease;
  pointer-events:none;
}
.g-zoom svg{width:18px;height:18px;}
.g-item:hover .g-zoom,
  .g-thumb:focus-visible .g-zoom{opacity:1;transform:translateY(0);}
.g-item figcaption{padding:18px 18px 22px;}
.g-item h3{
  font-size:22px;
  font-weight:700;
  line-height:1.05;
  color:var(--navy);
  margin-bottom:8px;
}
.g-item h3::before{
  content:"";
  display:block;
  width:28px;
  height:3px;
  background:var(--red);
  margin-bottom:12px;
}
.g-item p{
  font-size:14px;
  line-height:1.55;
  color:#4B555E;
}
.lightbox{
  position:fixed;
  inset:0;
  z-index:100;
  background:rgba(9,17,27,0.98);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  display:none;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  padding:64px 84px 28px;
}
.lightbox.is-open{display:flex;animation:lbIn .25s ease;}
@keyframes lbIn{from{opacity:0}to{opacity:1}}
.lb-stage{
  flex:1;
  min-height:0;
  width:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  touch-action:pan-y;
}
.lb-img{
  max-width:100%;
  max-height:100%;
  object-fit:contain;
  border-radius:2px;
  box-shadow:0 10px 40px rgba(0,0,0,0.45);
  transition:opacity .2s ease;
}
.lb-img.is-loading{opacity:0;}
.lb-caption{
  color:#fff;
  text-align:center;
  max-width:640px;
  padding-top:18px;
  flex-shrink:0;
}
.lb-caption h3{
  font-size:26px;
  font-weight:700;
  line-height:1.05;
  margin-bottom:8px;
}
.lb-caption p{
  font-size:14.5px;
  color:#B7C2CC;
  line-height:1.55;
}
.lb-counter{
  position:absolute;
  top:22px;
  left:26px;
  color:#C7D2DB;
  font-size:14px;
  font-weight:600;
  letter-spacing:0.06em;
}
.lb-btn{
  position:absolute;
  width:48px;
  height:48px;
  border-radius:50%;
  border:none;
  background:rgba(255,255,255,0.12);
  color:#fff;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background .2s ease;
}
.lb-btn:hover{background:var(--red);}
.lb-btn:focus-visible{outline:3px solid #fff;outline-offset:2px;}
.lb-btn svg{width:22px;height:22px;}
.lb-close{top:14px;right:18px;}
.lb-prev{left:18px;top:50%;transform:translateY(-50%);}
.lb-next{right:18px;top:50%;transform:translateY(-50%);}

/* ---------- Página de contacto ---------- */
.contact-section{padding:48px 0 96px;}
.contact-grid{
  display:grid;
  grid-template-columns:0.8fr 1.2fr;
  gap:32px;
  align-items:stretch;
}
.contact-info{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.contact-card{
  display:flex;
  align-items:center;
  gap:18px;
  background:#fff;
  border:1px solid #E4E6E4;
  border-radius:4px;
  padding:22px 24px;
}
.contact-icon{
  flex-shrink:0;
  width:48px;
  height:48px;
  border-radius:50%;
  background:#E3E9EF;
  color:var(--navy);
  display:flex;
  align-items:center;
  justify-content:center;
}
.contact-icon svg{width:22px;height:22px;}
.contact-label{
  display:block;
  font-size:12.5px;
  color:var(--steel);
  margin-bottom:2px;
}
.contact-value{
  display:block;
  font-style:normal;
  font-size:18px;
  font-weight:600;
  color:var(--navy-deep);
  line-height:1.35;
  overflow-wrap:anywhere;
}
a.contact-value:hover{color:var(--red);}
.contact-cta{
  align-self:flex-start;
  margin-top:8px;
}
.map-wrap{
  position:relative;
  min-height:460px;
  border:1px solid #E4E6E4;
  border-radius:4px;
  overflow:hidden;
  background:var(--bg-alt);
}
.map-frame{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  border:0;
}

/* ---------- Página Quiénes somos ---------- */
.about-section{padding:48px 0 96px;}
.about-grid{
  display:grid;
  grid-template-columns:0.7fr 1.3fr;
  gap:56px;
  align-items:start;
}
.about-photo{margin:0;}
.about-photo-ph{
  aspect-ratio:4 / 5;
  border-radius:4px;
  background-color:#9BA3AB;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,0.06) 0px,rgba(255,255,255,0.06) 18px,transparent 18px,transparent 36px);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:24px;
  text-align:center;
}
.about-photo-ph svg{width:72px;height:72px;opacity:.55;}
.about-photo-ph .ph-file{
  font-family:'Big Shoulders Display',sans-serif;
  font-weight:800;
  font-size:24px;
  color:#fff;
  letter-spacing:0.02em;
}
.about-photo-ph .ph-note{
  font-size:13px;
  color:#EAEAEA;
  background:rgba(0,0,0,0.28);
  padding:5px 14px;
  border-radius:20px;
}
.about-photo figcaption{
  margin-top:16px;
  padding-left:14px;
  border-left:3px solid var(--red);
}
.about-photo figcaption strong{display:block;color:var(--navy);font-size:16px;}
.about-photo figcaption span{font-size:13.5px;color:var(--steel);}
.about-body h2{
  font-size:clamp(32px,4vw,46px);
  color:var(--navy-deep);
  margin-bottom:22px;
}
.about-text{
  font-size:17px;
  line-height:1.7;
  color:#3D4750;
  max-width:62ch;
}

nav a{white-space:nowrap;}

/* ---------- Formulario de contacto ---------- */
.form-section{padding:24px 0 96px;}
.form-card{
  display:grid;
  grid-template-columns:minmax(0,0.8fr) minmax(0,1.4fr);
  background:#fff;
  border-radius:4px;
  overflow:hidden;
  box-shadow:0 24px 60px -28px rgba(15,39,64,.35);
}
/* panel izquierdo: azul con detalle de ingeniería */
.form-head{
  position:relative;
  padding:48px 40px;
  color:#fff;
  background:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px) 0 0/32px 32px,
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px) 0 0/32px 32px,
    var(--navy-deep);
  display:flex;
  flex-direction:column;
}
.form-head::before{
  content:"";
  position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--red);
}
.form-head .kicker{color:#E9A3A3;}
.form-head h2{
  font-size:clamp(30px,3.4vw,40px);
  color:#fff;
  margin-bottom:14px;
}
.form-head > p{
  font-size:16px;
  line-height:1.6;
  color:#C9D3DD;
  max-width:34ch;
}
.form-tips{
  list-style:none;
  margin:28px 0 0;
  padding:22px 0 0;
  border-top:1px solid rgba(255,255,255,.18);
  display:grid;
  gap:12px;
  font-size:14.5px;
  color:#DDE4EB;
}
.form-tips li{display:flex;gap:12px;align-items:flex-start;line-height:1.45;}
.form-tips svg{flex:0 0 18px;width:18px;height:18px;margin-top:2px;color:#E9A3A3;}
.form-direct{
  margin-top:auto;
  padding-top:32px;
  display:grid;
  gap:4px;
  font-size:14px;
  color:#A9B7C5;
}
.form-direct a{
  color:#fff;
  font-weight:600;
  font-size:17px;
  text-decoration:none;
  border-bottom:1px solid transparent;
  width:max-content;
  max-width:100%;
  overflow-wrap:anywhere;
}
.form-direct a:hover,.form-direct a:focus-visible{border-color:#fff;}
/* panel derecho: campos */
.contact-form{padding:48px 44px;}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px 22px;
}
.field{display:flex;flex-direction:column;gap:7px;min-width:0;}
.field-full{grid-column:1 / -1;}
.field label{
  font-size:14px;
  font-weight:600;
  color:var(--navy-deep);
}
.field .req{color:var(--red);margin-left:2px;}
.field input,
.field textarea{
  width:100%;
  font-family:inherit;
  font-size:16px;
  color:var(--ink);
  background:var(--bg-alt);
  border:1.5px solid transparent;
  border-bottom:2px solid var(--steel-light);
  border-radius:3px 3px 0 0;
  padding:14px 14px 12px;
  transition:border-color .2s ease, background .2s ease, box-shadow .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:#8B949D;}
.field textarea{resize:vertical;min-height:150px;line-height:1.55;}
.field input:hover,
.field textarea:hover{background:#E9EBE9;border-bottom-color:var(--steel);}
.field input:focus,
.field textarea:focus{
  outline:none;
  background:#fff;
  border-color:var(--navy);
  border-bottom-color:var(--red);
  box-shadow:0 6px 18px -10px rgba(23,58,94,.45);
}
.field input.is-invalid,
.field textarea.is-invalid{background:#FDF3F3;border-color:#E8B4B4;border-bottom-color:var(--red);}
.field input.is-invalid:focus,
.field textarea.is-invalid:focus{box-shadow:0 6px 18px -10px rgba(212,43,43,.5);}
.field-error{
  font-size:13px;
  font-weight:500;
  color:#B42323;
}
.field-error:empty{display:none;}
.hp{
  position:absolute;
  left:-9999px;
  width:1px;
  height:1px;
  overflow:hidden;
}
.form-actions{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:14px 24px;
  margin-top:30px;
  padding-top:24px;
  border-top:1px solid #E4E6E4;
}
button.btn{font-family:inherit;border:0;cursor:pointer;}
.form-actions button.btn{padding-left:36px;padding-right:36px;}
.form-actions button.btn:focus-visible{outline:3px solid rgba(23,58,94,.35);outline-offset:3px;}
button.btn:disabled{opacity:.6;cursor:progress;}
.form-note{font-size:13px;color:var(--steel);}
.form-status{
  margin-top:20px;
  padding:14px 18px;
  border-radius:2px;
  font-size:15px;
  line-height:1.5;
  border-left:4px solid;
}
.form-status[hidden]{display:none;}
.form-status.is-ok{background:#EAF4EC;border-color:#2E7D45;color:#1D4D2B;}
.form-status.is-error{background:#FBECEC;border-color:var(--red);color:#7A1B1B;}
.form-status a{color:inherit;font-weight:600;text-decoration:underline;}

/* ---------- Botón de WhatsApp ---------- */
.btn-whatsapp{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:#1FAF54;color:#fff;
}
.btn-whatsapp:hover{background:#178C43;}
.btn-whatsapp svg{width:20px;height:20px;flex:0 0 20px;fill:currentColor;}
.contact-actions{display:flex;flex-wrap:wrap;align-items:stretch;gap:12px;margin-top:8px;}
.contact-actions .btn{margin-top:0;align-self:auto;font-family:inherit;}
.wa-float{
  position:fixed;right:20px;bottom:20px;z-index:90;
  width:58px;height:58px;border-radius:50%;
  background:#1FAF54;color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px -8px rgba(15,39,64,.55);
  transition:background .2s ease, transform .2s ease;
}
.wa-float svg{width:30px;height:30px;fill:currentColor;}
.wa-float:hover{background:#178C43;transform:scale(1.06);}
.wa-float:focus-visible,.btn-whatsapp:focus-visible{outline:3px solid rgba(23,58,94,.45);outline-offset:3px;}

/* ---------- Media queries (responsive: tablet y móvil) ---------- */
@media (max-width:1024px){
  .photo-slider{height:700px;max-height:700px;}
}
@media (max-width:768px){
  .photo-slider{height:900px;max-height:900px;}
}
@media (prefers-reduced-motion:reduce){
  .banner-stack .pe-panel{
    opacity:1;
    transform:none;
    transition:none;
  }
  #proyectos-especiales .pe-item,
    #escaleras-barandas .pe-item{
    opacity:1;
    transform:none;
    transition:none;
  }
  #puertas-paneleria .ic-col{
    opacity:1;
    transform:none;
    transition:none;
  }
  #fachadas-vidrio .ic-col{
    opacity:1;
    transform:none;
    transition:none;
  }
  #servicios-panel .ic-col{
    opacity:1;
    transform:none;
    transition:none;
  }
  #energias-renovables .ic-col{
    opacity:1;
    transform:none;
    transition:none;
  }
  #maniobra-electrica .me-item{
    opacity:1;
    transform:none;
    transition:none;
  }
  html{scroll-behavior:auto;}
  .card, .card-img img{transition:none;}
  .card:hover .card-img img{transform:none;}
  .g-item, .g-thumb img, .g-zoom, .lb-img{transition:none;}
  .g-item:hover .g-thumb img{transform:none;}
  .lightbox.is-open{animation:none;}
}
@media (max-width:700px){
  .pe-panel{padding:32px 26px;}
  .pe-list{grid-template-columns:1fr;}
}
@media (max-width:1100px){
  nav{gap:22px;}
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
  .g-thumb{aspect-ratio:4 / 3;}
}
@media (max-width:860px){
  .hero-inner{grid-template-columns:1fr;}
  .hero-graphic{height:220px;order:-1;}
  .servicio-row{grid-template-columns:60px 1fr;}
  .servicio-row p{grid-column:1/-1;}
  .servicios-heading{flex-direction:column;align-items:flex-start;gap:16px;}
  .nosotros-grid{grid-template-columns:1fr;}
  .contacto-panel{grid-template-columns:1fr;padding:40px 28px;}
  .stat-strip .wrap{gap:32px;}
  .lightbox{padding:60px 20px 24px;}
  .lb-prev{left:8px;}
  .lb-next{right:8px;}
}
@media (min-width:981px){
  .card-body p{min-height:calc(1.6em * 4);}
}
@media (max-width:980px){
  .project-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:620px){
  .project-grid{grid-template-columns:1fr;}
  .page-intro{padding-top:48px;}
  .grid-section{padding-bottom:64px;}
  .gallery-section{padding:32px 0 64px;}
  .gallery-section .wrap{padding:0 16px;}
  .gallery-grid{gap:8px;}
  .g-item{border:none;background:none;border-radius:3px;}
  .g-item:hover{box-shadow:none;}
  .g-thumb{aspect-ratio:1 / 1;}
  .g-item figcaption{display:none;}
  .g-zoom{display:none;}
  .lb-caption{display:none;}
  .lb-btn{width:42px;height:42px;background:rgba(255,255,255,0.18);}
  .lb-prev,.lb-next{top:auto;bottom:20px;transform:none;}
  .lb-prev{left:calc(50% - 56px);}
  .lb-next{right:calc(50% - 56px);}
  .lightbox{padding:64px 12px 84px;}
}

@media (max-width:980px){
  .contact-grid{grid-template-columns:1fr;}
  .map-wrap{min-height:380px;}
}
@media (max-width:620px){
  .contact-section{padding:32px 0 64px;}
  .contact-card{padding:18px;}
  .contact-value{font-size:16px;}
  .contact-cta{align-self:stretch;text-align:center;}
  .map-wrap{min-height:320px;}
}

@media (max-width:980px){
  .about-grid{grid-template-columns:1fr;gap:32px;}
  .about-photo{max-width:340px;}
}
@media (max-width:620px){
  .about-section{padding:32px 0 64px;}
  .about-photo{max-width:none;}
  .about-photo-ph{aspect-ratio:1 / 1;}
  .about-text{font-size:16px;}
}

@media (max-width:1000px){
  .header-inner nav{display:none;}
  .hamburger{display:flex;}
  .mobile-nav{display:flex;}
}

@media (max-width:980px){
  .form-card{grid-template-columns:1fr;}
  .form-head{padding:36px 32px 32px 36px;}
  .form-head > p{max-width:none;}
  .form-direct{padding-top:24px;}
  .contact-form{padding:36px 32px;}
}
@media (max-width:620px){
  .form-section{padding-bottom:64px;}
  .form-head{padding:28px 20px 26px 24px;}
  .contact-form{padding:26px 18px;}
  .form-grid{grid-template-columns:1fr;gap:18px;}
  .form-actions button.btn{width:100%;text-align:center;}
}

@media (max-width:620px){
  .wa-float{right:14px;bottom:14px;width:54px;height:54px;}
  .contact-actions .btn{flex:1 1 100%;}
}