:root{
  --azul:#0f2747;
  --azul-2:#153a67;
  --azul-3:#071a31;
  --celeste:#00a6d6;
  --verde:#17a675;
  --gris:#f4f7fb;
  --gris-2:#e8eef6;
  --texto:#243142;
  --muted:#66758a;
  --blanco:#ffffff;
  --sombra:0 18px 45px rgba(8,34,64,.14);
  --radio:22px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:'Montserrat',Arial,sans-serif;color:var(--texto);background:var(--blanco);line-height:1.65}
a{color:inherit;text-decoration:none} img{max-width:100%;display:block}
.container{width:min(1140px,92%);margin:0 auto}
.topbar{background:var(--azul-3);color:#dfeefa;font-size:.86rem;padding:8px 0}
.topbar .container{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
.navbar{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);box-shadow:0 8px 22px rgba(0,0,0,.06)}
.navwrap{display:flex;align-items:center;justify-content:space-between;min-height:78px;gap:22px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;color:var(--azul);letter-spacing:.02em}
.brand img{width:58px;height:58px;object-fit:contain}.brand span{font-size:1.15rem}
.menu{display:flex;align-items:center;gap:22px;font-weight:700;color:var(--azul)}
.menu a:not(.btn){position:relative}.menu a:not(.btn)::after{content:'';position:absolute;left:0;bottom:-8px;width:0;height:3px;background:linear-gradient(90deg,var(--celeste),var(--verde));border-radius:9px;transition:.25s}.menu a:hover::after{width:100%}
.mobile-btn{display:none;border:0;background:var(--azul);color:white;border-radius:12px;padding:9px 12px;font-size:1.25rem;cursor:pointer}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:12px 22px;font-weight:800;border:2px solid transparent;transition:.25s;cursor:pointer;box-shadow:0 10px 24px rgba(15,39,71,.12)}
.btn:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg,var(--azul),var(--azul-2));color:white}.btn-outline{border-color:#c8d8e8;color:white;background:rgba(255,255,255,.08)}.btn-light{background:white;color:var(--azul)}
.hero,.page-hero{background:radial-gradient(circle at top right,rgba(0,166,214,.26),transparent 34%),linear-gradient(135deg,var(--azul-3),var(--azul));color:white;overflow:hidden}
.hero{padding:88px 0}.page-hero{padding:72px 0}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
h1{font-size:clamp(2.1rem,5vw,4.35rem);line-height:1.05;margin:12px 0 18px;font-weight:900;letter-spacing:-.04em}h2{font-size:clamp(1.6rem,3vw,2.65rem);line-height:1.13;margin:8px 0 18px;color:var(--azul);font-weight:900;letter-spacing:-.03em}h3{font-size:1.25rem;margin:14px 0 9px;color:var(--azul);font-weight:900}p{margin:0 0 16px}.hero p,.page-hero p{font-size:1.1rem;color:#e5f2ff;max-width:760px}.eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:900;color:var(--celeste);margin-bottom:8px}.hero .eyebrow,.page-hero .eyebrow{color:#91e4ff}
.badges{display:flex;flex-wrap:wrap;gap:10px}.badge{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);padding:7px 12px;border-radius:999px;font-size:.78rem;font-weight:800}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}.hero-logo{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);border-radius:34px;padding:34px;box-shadow:var(--sombra)}.hero-logo img{width:min(330px,100%);margin:auto;filter:drop-shadow(0 20px 30px rgba(0,0,0,.18))}
.section{padding:82px 0}.section.alt{background:var(--gris)}.section-head{text-align:center;max-width:800px;margin:0 auto 38px}.section-head p{color:var(--muted)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.card,.photo-card,.mapbox,.contact-box{background:white;border:1px solid var(--gris-2);border-radius:var(--radio);box-shadow:var(--sombra)}.card{padding:28px;display:flex;flex-direction:column;justify-content:space-between}.card p{color:var(--muted)}.icon{width:58px;height:58px;border-radius:18px;background:linear-gradient(135deg,var(--celeste),var(--verde));display:flex;align-items:center;justify-content:center;color:white;font-weight:900;font-size:1.1rem}.list{padding-left:20px;margin:12px 0 0}.list li{margin:9px 0;color:var(--texto)}.doc-card{min-height:260px}.acred-logo{height:72px;width:auto;object-fit:contain;margin-bottom:12px}
.photo-card{padding:12px;overflow:hidden}.photo-card img{width:100%;height:380px;object-fit:cover;border-radius:18px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:26px}.stat{background:var(--gris);border:1px solid var(--gris-2);border-radius:18px;padding:17px;text-align:center}.stat b{display:block;color:var(--azul);font-size:1.45rem}.stat span{font-size:.82rem;color:var(--muted);font-weight:700}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.gallery img{height:210px;width:100%;object-fit:cover;border-radius:20px;box-shadow:var(--sombra)}
.cta{background:linear-gradient(135deg,var(--azul),var(--azul-2));color:white;border-radius:30px;padding:42px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{color:white}.cta p{color:#e4f2ff}.mapbox{padding:34px;text-align:center}.mexico{font-size:6rem;line-height:1;margin-bottom:12px}.mapbox h2{text-align:center}.mapbox p{color:var(--muted)}
.form{display:grid;gap:14px}.contact-box{padding:30px}input,select,textarea{width:100%;border:1px solid var(--gris-2);background:#fbfdff;border-radius:15px;padding:14px 16px;font-family:inherit;font-size:1rem;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--celeste);box-shadow:0 0 0 4px rgba(0,166,214,.12)}textarea{min-height:140px;resize:vertical}.small{font-size:.92rem;color:var(--muted)}
.footer{background:var(--azul-3);color:#dcecff;padding:48px 0 18px}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:28px}.footer img{width:92px;margin-bottom:12px}.footer h3{color:white}.footer a{color:#dcecff}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;text-align:center;color:#b8c7d8;font-size:.9rem}.whatsapp{position:fixed;right:22px;bottom:22px;z-index:50;width:116px;height:66px;background:#25D366;border-radius:999px;padding:7px;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 28px rgba(0,0,0,.22);border:3px solid white;transition:.25s}.whatsapp:hover{transform:translateY(-3px) scale(1.03)}.whatsapp img{width:100%;height:100%;object-fit:contain;background:white;border-radius:999px;padding:5px}
@media(max-width:900px){.mobile-btn{display:block}.menu{display:none;position:absolute;left:4%;right:4%;top:78px;background:white;box-shadow:var(--sombra);border-radius:20px;padding:18px;flex-direction:column;align-items:flex-start}.menu.open{display:flex}.hero-grid,.split,.grid-2{grid-template-columns:1fr}.grid-3{grid-template-columns:1fr 1fr}.gallery{grid-template-columns:1fr 1fr}.stats{grid-template-columns:1fr 1fr}.cta{flex-direction:column;align-items:flex-start}.topbar .container{justify-content:center;text-align:center}}
@media(max-width:620px){.grid-3,.gallery,.footer-grid{grid-template-columns:1fr}.section{padding:58px 0}.hero,.page-hero{padding:58px 0}.photo-card img{height:260px}.whatsapp{right:14px;bottom:14px;width:96px;height:56px}.stats{grid-template-columns:1fr}.cta{padding:28px}.menu{top:72px}}
/* Ajuste especial para la sección de proceso en Servicios */
.service-process{grid-template-columns:minmax(280px,.85fr) minmax(420px,1.15fr);align-items:stretch;gap:34px}
.process-photo{height:100%;min-height:320px}
.process-photo img{height:100%;min-height:320px;object-fit:cover;object-position:center;border-radius:18px}
.process-info{background:white;border:1px solid var(--gris-2);border-radius:var(--radio);box-shadow:var(--sombra);padding:36px;display:flex;flex-direction:column;justify-content:center}
.process-info .btn{align-self:flex-start;margin-top:8px}
@media(max-width:900px){.service-process{grid-template-columns:1fr}.process-photo,.process-photo img{min-height:260px;height:auto}.process-info{padding:28px}}


/* Ajuste final de logotipo ACM LAB correcto */
.brand img{width:82px;height:70px;object-fit:contain;display:block}
.hero-logo img{max-width:360px;width:100%;height:auto;object-fit:contain}
.footer img{width:96px;height:auto;object-fit:contain}
.whatsapp{width:78px;height:78px;border-radius:22px;background:#ffffff;padding:6px;border:3px solid #25D366;overflow:hidden}
.whatsapp img{width:100%;height:100%;object-fit:contain;background:transparent;border-radius:0;padding:0}
@media(max-width:620px){.brand img{width:72px;height:62px}.whatsapp{width:68px;height:68px;border-radius:20px}}


/* Ajustes finales: acreditaciones reales y WhatsApp identificable */
.acred-logo{max-width:100%;height:86px;object-fit:contain;object-position:left center;margin-bottom:16px}
.doc-card .acred-logo,.card .acred-logo{background:#fff;border-radius:14px;padding:6px}
.asea-logo{height:92px;width:100%;object-position:left center}
.whatsapp{position:fixed;right:22px;bottom:22px;z-index:50;width:auto;min-width:174px;height:66px;padding:8px 14px 8px 10px;border-radius:999px;background:#25D366;border:3px solid #ffffff;box-shadow:0 14px 32px rgba(0,0,0,.24);display:flex;align-items:center;justify-content:center;gap:9px;color:#fff;overflow:visible;transition:.25s}
.whatsapp:hover{transform:translateY(-3px) scale(1.03);filter:saturate(1.05)}
.whatsapp .wa-icon{width:30px;height:30px;display:flex;align-items:center;justify-content:center;flex:0 0 30px}
.whatsapp .wa-icon img{width:30px;height:30px;object-fit:contain;background:transparent;border-radius:0;padding:0;display:block}
.whatsapp .wa-logo-wrap{width:46px;height:46px;background:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;padding:5px;box-shadow:0 4px 12px rgba(0,0,0,.16);flex:0 0 46px}
.whatsapp .wa-logo{width:100%;height:100%;object-fit:contain;background:transparent;border-radius:0;padding:0;display:block}
.whatsapp .wa-label{font-size:.78rem;line-height:1;font-weight:900;letter-spacing:.02em;text-transform:uppercase;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.18)}
@media(max-width:620px){.whatsapp{right:14px;bottom:14px;min-width:72px;width:72px;height:72px;border-radius:50%;padding:8px;gap:0}.whatsapp .wa-icon{width:34px;height:34px}.whatsapp .wa-icon img{width:34px;height:34px}.whatsapp .wa-label{display:none}.whatsapp .wa-logo-wrap{position:absolute;right:-4px;bottom:-4px;width:30px;height:30px;padding:4px;border:2px solid #25D366}}


/* Galería independiente y mejoras de formulario */
.center-actions{display:flex;justify-content:center;margin-top:28px}
.gallery a{display:block;border-radius:20px;overflow:hidden;box-shadow:var(--sombra)}
.gallery a img{transition:.3s}
.gallery a:hover img{transform:scale(1.04)}
.gallery-page{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.gallery-card{margin:0;background:#fff;border:1px solid var(--gris-2);border-radius:22px;box-shadow:var(--sombra);overflow:hidden}
.gallery-card img{width:100%;height:300px;object-fit:cover;display:block}
.gallery-card figcaption{padding:14px 18px;font-weight:800;color:var(--azul);font-size:.92rem}
.form-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.btn-whatsapp{background:#25D366;color:#fff;border-color:#25D366}
.btn-whatsapp:hover{filter:saturate(1.08)}
@media(max-width:900px){.gallery-page{grid-template-columns:1fr 1fr}.gallery-card img{height:250px}}
@media(max-width:620px){.gallery-page{grid-template-columns:1fr}.gallery-card img{height:235px}.form-actions .btn{width:100%}}


/* Ajuste solicitado: portada principal con fotografía de fondo, manteniendo contraste y estilo ACM LAB */
.hero{
  position:relative;
  background:
    linear-gradient(90deg,rgba(7,26,49,.92) 0%,rgba(15,39,71,.76) 48%,rgba(15,39,71,.38) 100%),
    url('../gallery/recuperacion-vapores-11.jpg') center center/cover no-repeat;
  min-height:560px;
  display:flex;
  align-items:center;
}
.hero::after{
  content:'';
  position:absolute;
  inset:0;
  background:radial-gradient(circle at top right,rgba(0,166,214,.28),transparent 34%);
  pointer-events:none;
}
.hero > .container{position:relative;z-index:1}
.hero-logo{background:rgba(255,255,255,.88);border-color:rgba(255,255,255,.55)}
.hero-logo img{filter:drop-shadow(0 18px 24px rgba(0,0,0,.22))}
.galeria-hero{
  background:
    linear-gradient(90deg,rgba(7,26,49,.92),rgba(15,39,71,.7)),
    url('../gallery/recuperacion-vapores-14.jpg') center center/cover no-repeat;
}
.gallery-card a{display:block;overflow:hidden}
.gallery-card a img{transition:.3s ease}
.gallery-card a:hover img{transform:scale(1.04)}
@media(max-width:900px){.hero{min-height:auto}.hero-logo{max-width:320px;margin:auto}}

/* =========================================================
   Mejora visual de títulos y formato general
   Mantiene la esencia técnica/corporativa ACM LAB
   ========================================================= */
.page-hero .container,
.section-head{
  text-align:center;
}
.page-hero h1,
.section-head h2{
  position:relative;
  display:inline-block;
  margin-left:auto;
  margin-right:auto;
  padding-bottom:18px;
}
.page-hero h1::after,
.section-head h2::after{
  content:'';
  position:absolute;
  left:50%;
  bottom:0;
  transform:translateX(-50%);
  width:86px;
  height:5px;
  border-radius:999px;
  background:linear-gradient(90deg,var(--celeste),var(--verde));
  box-shadow:0 8px 18px rgba(0,166,214,.22);
}
.page-hero p,
.section-head p{
  margin-left:auto;
  margin-right:auto;
  max-width:780px;
}
.hero h1{
  position:relative;
  padding-bottom:18px;
  max-width:880px;
}
.hero h1::after{
  content:'';
  position:absolute;
  left:0;
  bottom:0;
  width:92px;
  height:5px;
  border-radius:999px;
  background:linear-gradient(90deg,var(--celeste),var(--verde));
  box-shadow:0 8px 18px rgba(0,166,214,.22);
}
.split > div:not(.photo-card):not(.mapbox) h2,
.process-info h2,
.contact-box h2{
  position:relative;
  padding-bottom:14px;
}
.split > div:not(.photo-card):not(.mapbox) h2::after,
.process-info h2::after,
.contact-box h2::after{
  content:'';
  position:absolute;
  left:0;
  bottom:0;
  width:64px;
  height:4px;
  border-radius:999px;
  background:linear-gradient(90deg,var(--celeste),var(--verde));
}
.card h3,
.gallery-card figcaption{
  letter-spacing:-.01em;
}
.card h3{
  min-height:2.2em;
}
.section{
  position:relative;
}
.section-head .eyebrow,
.page-hero .eyebrow{
  background:rgba(0,166,214,.10);
  border:1px solid rgba(0,166,214,.18);
  border-radius:999px;
  padding:7px 12px;
}
.page-hero .eyebrow,
.hero .eyebrow{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.22);
}
.card,
.gallery-card,
.photo-card,
.mapbox,
.contact-box{
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover,
.gallery-card:hover,
.photo-card:hover,
.mapbox:hover,
.contact-box:hover{
  transform:translateY(-3px);
  border-color:rgba(0,166,214,.22);
  box-shadow:0 22px 52px rgba(8,34,64,.18);
}
.gallery-page{
  align-items:stretch;
}
.gallery-card figcaption{
  text-align:center;
  min-height:64px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.cta{
  text-align:left;
  overflow:hidden;
  position:relative;
}
.cta::after{
  content:'';
  position:absolute;
  width:260px;
  height:260px;
  right:-90px;
  top:-90px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(0,166,214,.24),transparent 68%);
}
.cta > *{
  position:relative;
  z-index:1;
}
.footer .copyright,
.footer-grid{
  text-align:center;
}
.footer-grid img{
  margin-left:auto;
  margin-right:auto;
}
@media(max-width:900px){
  .hero h1::after{
    left:50%;
    transform:translateX(-50%);
  }
  .hero-grid > div:first-child{
    text-align:center;
  }
  .badges,
  .hero-actions{
    justify-content:center;
  }
  .split > div:not(.photo-card):not(.mapbox) h2::after,
  .process-info h2::after,
  .contact-box h2::after{
    left:50%;
    transform:translateX(-50%);
  }
  .split > div:not(.photo-card):not(.mapbox),
  .process-info{
    text-align:center;
  }
  .process-info .btn{
    align-self:center;
  }
}

/* Mejora visual para botones del formulario de contacto */
.form-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-top:4px}
.btn-whatsapp{background:#25D366;color:#fff;border-color:#25D366}
.btn-whatsapp:hover{filter:brightness(.95);transform:translateY(-1px)}


/* Integración solicitada: Recuperación de Vapores + Laboratorio de Química en portada */
.hero{
  background:
    linear-gradient(90deg,rgba(7,26,49,.94) 0%,rgba(15,39,71,.78) 48%,rgba(15,39,71,.48) 100%),
    url('../gallery/home-lab-vapores-bg.jpg') center center/cover no-repeat;
}
.hero-showcase{
  background:rgba(255,255,255,.90);
  border:1px solid rgba(255,255,255,.65);
  border-radius:34px;
  padding:18px;
  box-shadow:var(--sombra);
  backdrop-filter:blur(8px);
}
.showcase-logo{
  display:flex;
  align-items:center;
  justify-content:center;
  padding:8px 8px 16px;
}
.showcase-logo img{
  width:min(190px,80%);
  height:auto;
  object-fit:contain;
  filter:drop-shadow(0 10px 18px rgba(0,0,0,.18));
}
.showcase-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
}
.showcase-tile{
  position:relative;
  min-height:210px;
  border-radius:22px;
  overflow:hidden;
  display:block;
  isolation:isolate;
  box-shadow:0 12px 26px rgba(8,34,64,.16);
}
.showcase-tile img{
  width:100%;
  height:100%;
  min-height:210px;
  object-fit:cover;
  transition:.35s ease;
}
.showcase-tile::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,26,49,.12),rgba(7,26,49,.82));
  z-index:1;
}
.showcase-tile span{
  position:absolute;
  left:14px;
  right:14px;
  bottom:14px;
  z-index:2;
  color:white;
  font-weight:900;
  line-height:1.15;
  text-shadow:0 2px 8px rgba(0,0,0,.35);
}
.showcase-tile:hover img{transform:scale(1.05)}
.area-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
}
.area-card{
  background:white;
  border:1px solid var(--gris-2);
  border-radius:28px;
  overflow:hidden;
  box-shadow:var(--sombra);
  display:flex;
  flex-direction:column;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.area-card:hover{
  transform:translateY(-3px);
  border-color:rgba(0,166,214,.22);
  box-shadow:0 22px 52px rgba(8,34,64,.18);
}
.area-card > img{
  width:100%;
  height:260px;
  object-fit:cover;
}
.area-content{
  padding:28px;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  flex:1;
}
.area-content p{color:var(--muted)}
.area-label{
  display:inline-flex;
  align-items:center;
  border-radius:999px;
  padding:7px 12px;
  background:rgba(0,166,214,.10);
  border:1px solid rgba(0,166,214,.18);
  color:var(--celeste);
  font-size:.78rem;
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:.12em;
}
.area-content .btn{margin-top:auto}
@media(max-width:900px){
  .hero-showcase{max-width:520px;margin:0 auto}
  .area-grid{grid-template-columns:1fr}
}
@media(max-width:620px){
  .showcase-grid{grid-template-columns:1fr}
  .showcase-tile,.showcase-tile img{min-height:190px}
  .area-card > img{height:225px}
  .area-content{padding:24px}
}