*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

body{
  background:#f5f7fa;
  color:#222;
  font-family:'Montserrat',Arial,sans-serif;
}

a{
  color:inherit;
}

img{
  max-width:100%;
  display:block;
}

.topbar{
  background:#fff;
  min-height:82px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:4px 48px;
  position:relative;
  z-index:5000;
  box-shadow:0 2px 14px rgba(0,0,0,.06);
}

.brand img{
  width:450px;
  max-height:76px;
  height:auto;
  object-fit:contain;
}

.phone-link{
  color:#0b4a87;
  text-decoration:none;
  text-align:right;
  line-height:1.2;
}

.phone-link span{
  display:block;
  color:#64748b;
  font-size:11px;
  font-weight:700;
  text-transform:uppercase;
}

.phone-link strong{
  display:block;
  font-size:22px;
  font-weight:800;
}

.nav{
  background:#0b4a87;
  padding:0 48px;
  position:relative;
  z-index:5000;
}

.menu{
  list-style:none;
  display:flex;
  align-items:center;
  gap:4px;
  position:relative;
}

.menu > li{
  position:relative;
}

.menu-right{
  margin-left:auto;
}

.menu a{
  display:block;
  padding:16px 14px;
  color:#fff;
  text-decoration:none;
  font-size:14px;
  font-weight:600;
}

.menu a:hover,
.menu a:focus{
  background:rgba(255,255,255,.12);
}

.nav-contacto{
  background:#c99a12;
}

.nav-pruebas,
.nav-contacto{
  display:flex;
  align-items:center;
  gap:8px;
}

.nav-pruebas:before{
  content:"";
  width:16px;
  height:16px;
  flex:0 0 16px;
  background:currentColor;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z'/%3E%3Cpath d='M14 2v6h6'/%3E%3Cpath d='M16 13H8'/%3E%3Cpath d='M16 17H8'/%3E%3Cpath d='M10 9H8'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z'/%3E%3Cpath d='M14 2v6h6'/%3E%3Cpath d='M16 13H8'/%3E%3Cpath d='M16 17H8'/%3E%3Cpath d='M10 9H8'/%3E%3C/svg%3E") center/contain no-repeat;
}

.nav-contacto:before{
  content:"";
  width:16px;
  height:16px;
  flex:0 0 16px;
  background:currentColor;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z'/%3E%3Cpath d='m22 6-10 7L2 6'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z'/%3E%3Cpath d='m22 6-10 7L2 6'/%3E%3C/svg%3E") center/contain no-repeat;
}

.submenu{
  position:absolute;
  top:100%;
  left:0;
  z-index:6000;
  min-width:270px;
  background:#fff;
  list-style:none;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:.22s ease;
  box-shadow:0 12px 30px rgba(0,0,0,.18);
}

.dropdown:hover .submenu,
.dropdown:focus-within .submenu,
.submenu.open{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}

.submenu li a{
  color:#1f2937;
  padding:13px 16px;
  font-weight:500;
}

.submenu li a:hover,
.submenu li a:focus{
  background:#eef4fb;
  color:#0b4a87;
}

.hero{
  position:relative;
  z-index:1;
  height:520px;
  overflow:hidden;
  background:#111;
}

.slider,
.slides{
  height:100%;
  position:relative;
}

.slide{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:0;
  transition:opacity .7s ease;
}

.slide.active{
  opacity:1;
}

.hero:after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(0,0,0,.62),rgba(0,0,0,.22) 52%,rgba(0,0,0,.1));
  pointer-events:none;
}

.prev,.next{
  position:absolute;
  top:50%;
  z-index:4;
  width:42px;
  height:56px;
  transform:translateY(-50%);
  border:0;
  background:rgba(0,0,0,.46);
  color:#fff;
  font-size:38px;
  line-height:1;
  cursor:pointer;
}

.prev{ left:18px; }
.next{ right:18px; }

.dots{
  position:absolute;
  left:50%;
  bottom:20px;
  z-index:4;
  display:flex;
  gap:10px;
  transform:translateX(-50%);
}

.dot{
  width:10px;
  height:10px;
  border:0;
  border-radius:50%;
  background:rgba(255,255,255,.5);
  cursor:pointer;
}

.dot.active{
  background:#fff;
}

.hero-box{
  position:absolute;
  z-index:3;
  left:8%;
  top:50%;
  width:min(570px,84vw);
  transform:translateY(-50%);
  color:#fff;
}

.hero-box h1{
  font-size:54px;
  line-height:1.02;
  font-weight:800;
  margin-bottom:18px;
}

.hero-box p{
  font-size:20px;
  line-height:1.45;
  margin-bottom:28px;
  max-width:560px;
}

.btn-primary,
.btn-empresa{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:0 24px;
  border:0;
  background:#c99a12;
  color:#fff;
  text-decoration:none;
  font-size:14px;
  font-weight:700;
  cursor:pointer;
  transition:.2s ease;
}

.btn-primary:hover,
.btn-empresa:hover{
  background:#a77d0b;
}

.productos{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}

.prod{
  position:relative;
  min-height:170px;
  display:flex;
  align-items:center;
  justify-content:flex-start;
  padding:24px 28px 24px 165px;
  overflow:hidden;
  text-decoration:none;
  isolation:isolate;
  transition:transform .2s ease,filter .2s ease;
}

.prod:before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(0,0,0,.12),rgba(0,0,0,.08));
  z-index:-1;
}

.prod img{
  position:absolute;
  left:18px;
  bottom:0;
  width:128px;
  height:145px;
  object-fit:contain;
}

.prod-text{
  color:#fff;
  font-weight:800;
  font-size:21px;
  line-height:1.12;
  text-align:left;
}

.prod1{background:#d4a90f;}
.prod2{background:#a34b25;}
.prod3{background:#2d628f;}
.prod4{background:#59479d;}

.prod:hover{
  filter:saturate(1.08);
  transform:translateY(-3px);
}

.beneficios{
  padding:88px 60px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}

.beneficio-card{
  background:#fff;
  padding:34px 30px;
  border-radius:8px;
  text-align:center;
  box-shadow:0 12px 32px rgba(15,23,42,.07);
}

.icon-wrap{
  width:54px;
  height:54px;
  margin:0 auto 18px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:#eef4fb;
  color:#0b4a87;
  font-size:26px;
  font-weight:800;
}

.beneficio-card h3{
  color:#0b4a87;
  font-size:22px;
  margin-bottom:10px;
}

.beneficio-card p{
  color:#44546a;
  line-height:1.55;
  font-size:15px;
}

.empresa{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:60px;
  background:#e8edf2;
  padding:88px 60px;
  align-items:center;
}

.empresa-texto h2{
  max-width:620px;
  font-size:42px;
  font-weight:800;
  margin-bottom:22px;
  line-height:1.12;
  color:#1f2937;
}

.empresa-texto p{
  font-size:15px;
  color:#364154;
  line-height:1.7;
  margin-bottom:15px;
  max-width:650px;
}

.empresa-img{
  display:flex;
  align-items:center;
  justify-content:center;
}

.empresa-img img{
  width:100%;
  max-width:520px;
  height:auto;
  object-fit:contain;
}

.interior{
  max-width:1120px;
  margin:0 auto;
  padding:56px 24px 20px;
}

.interior-header{
  margin-bottom:34px;
  padding-bottom:18px;
  border-bottom:1px solid #d6dde7;
}

.interior-header h1{
  color:#0b4a87;
  font-size:42px;
  line-height:1.1;
}

.interior-header p{
  max-width:760px;
  margin-top:12px;
  color:#536174;
  line-height:1.65;
}

.bloque-producto{
  display:grid;
  grid-template-columns:300px 1fr;
  gap:52px;
  margin-bottom:44px;
  align-items:start;
}

.producto-img{
  min-height:320px;
  display:flex;
  align-items:flex-start;
  justify-content:center;
}

.producto-img img{
  max-height:350px;
  object-fit:contain;
}

.producto-placeholder{
  width:240px;
  min-height:310px;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:28px;
  background:#fff;
  border:1px solid #d8e1ec;
  box-shadow:0 14px 34px rgba(15,23,42,.08);
  color:#0b4a87;
  text-align:center;
  font-size:28px;
  font-weight:800;
}

.producto-info p,
.contenido p{
  color:#2f3a4a;
  font-size:15px;
  line-height:1.75;
  margin-bottom:16px;
}

.datos-producto{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
  margin:30px 0;
}

.dato{
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px;
  background:#fff;
  border-radius:8px;
  box-shadow:0 10px 24px rgba(15,23,42,.06);
}

.dato img{
  width:36px;
  height:36px;
  object-fit:contain;
}

.producto-detalle h2,
.contenido h2{
  color:#0b4a87;
  font-size:25px;
  margin:28px 0 16px;
}

.producto-nota{
  margin-top:6px;
  color:#64748b;
  font-size:13px;
  font-style:italic;
  line-height:1.35;
}

.contenido h3{
  color:#1f2937;
  font-size:21px;
  margin:24px 0 10px;
}

.beneficios-grid,
.check-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px 34px;
  margin:16px 0 8px;
}

.beneficios-grid li,
.check-list li{
  list-style:none;
  padding-left:26px;
  position:relative;
  color:#2f3a4a;
  line-height:1.55;
}

.beneficios-grid li:before,
.check-list li:before{
  content:"✓";
  position:absolute;
  left:0;
  top:0;
  color:#0b4a87;
  font-weight:800;
}

.content-band{
  background:#fff;
  padding:28px;
  border-radius:8px;
  box-shadow:0 10px 28px rgba(15,23,42,.06);
  margin-bottom:24px;
}

.aditivar-page{
  max-width:1180px;
}

.aditivar-hero{
  display:grid;
  grid-template-columns:1fr 320px;
  gap:36px;
  align-items:center;
  background:#fff;
  padding:34px;
  border:0;
  border-radius:8px;
  box-shadow:0 12px 32px rgba(15,23,42,.07);
}

.aditivar-hero img{
  width:100%;
  height:230px;
  object-fit:cover;
  border-radius:8px;
}

.eyebrow{
  display:inline-block;
  margin-bottom:10px;
  color:#c99a12;
  font-size:12px;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
}

.fuel-grade-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
  margin:22px 0;
}

.chapter-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
  margin-top:20px;
}

.chapter-card{
  padding:22px;
  border-radius:8px;
  background:#eef4fb;
  border-top:5px solid #0b4a87;
}

.chapter-card span{
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  margin-bottom:14px;
  border-radius:50%;
  background:#0b4a87;
  color:#fff;
  font-weight:800;
}

.chapter-card h3{
  margin:0 0 8px;
  color:#0b4a87;
}

.fuel-grade{
  min-height:150px;
  padding:22px;
  border-radius:8px;
  background:#eef4fb;
  border-left:5px solid #0b4a87;
}

.fuel-grade span{
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  margin-bottom:14px;
  border-radius:50%;
  background:#0b4a87;
  color:#fff;
  font-size:20px;
  font-weight:800;
}

.fuel-grade h3{
  margin:0 0 8px;
  color:#0b4a87;
  font-size:20px;
}

.split-band{
  display:grid;
  grid-template-columns:1fr 320px;
  gap:34px;
  align-items:center;
}

.tank-illustration{
  position:relative;
  min-height:260px;
}

.tank-body{
  position:absolute;
  inset:20px 20px 40px;
  overflow:hidden;
  border:8px solid #0b4a87;
  border-radius:42px;
  background:#f8fafc;
  box-shadow:inset 0 0 0 4px rgba(255,255,255,.8), 0 16px 30px rgba(15,23,42,.12);
}

.tank-air,
.tank-fuel,
.tank-water{
  position:absolute;
  left:0;
  right:0;
}

.tank-air{
  top:0;
  height:30%;
  background:#f8fafc;
}

.tank-fuel{
  top:30%;
  height:48%;
  background:linear-gradient(180deg,#d6a514,#b8830c);
}

.tank-water{
  bottom:0;
  height:22%;
  background:linear-gradient(180deg,#4fb2dc,#1876a4);
}

.tank-label{
  position:absolute;
  right:0;
  padding:7px 11px;
  border-radius:999px;
  background:#fff;
  color:#0b4a87;
  font-size:12px;
  font-weight:800;
  box-shadow:0 8px 18px rgba(15,23,42,.12);
}

.fuel-label{
  top:105px;
}

.water-label{
  bottom:52px;
}

.bio-illustration .tank-body{
  background:#f8fafc;
}

.microbe{
  position:absolute;
  z-index:2;
  width:18px;
  height:18px;
  border-radius:50%;
  background:#7a5195;
  box-shadow:
    24px 5px 0 #7a5195,
    12px 22px 0 #7a5195,
    38px 28px 0 #7a5195;
}

.microbe:before,
.microbe:after{
  content:"";
  position:absolute;
  width:7px;
  height:7px;
  border-radius:50%;
  background:#c99a12;
}

.microbe:before{
  left:5px;
  top:-8px;
}

.microbe:after{
  right:-8px;
  bottom:3px;
}

.microbe-1{ left:56px; bottom:58px; }
.microbe-2{ left:128px; bottom:76px; transform:scale(.8); }
.microbe-3{ right:74px; bottom:48px; transform:scale(.7); }
.microbe-4{ right:118px; bottom:88px; transform:scale(.6); }

.number-list{
  counter-reset:item;
  display:grid;
  gap:14px;
  margin-top:16px;
}

.number-list li{
  list-style:none;
  position:relative;
  padding:18px 18px 18px 62px;
  border-radius:8px;
  background:#f5f7fa;
  color:#2f3a4a;
  line-height:1.6;
}

.number-list li:before{
  counter-increment:item;
  content:counter(item);
  position:absolute;
  left:18px;
  top:18px;
  width:28px;
  height:28px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:#0b4a87;
  color:#fff;
  font-weight:800;
}

.dash-list{
  display:grid;
  gap:9px;
  margin:14px 0 18px;
}

.dash-list li{
  list-style:none;
  position:relative;
  padding-left:20px;
  color:#2f3a4a;
  line-height:1.55;
}

.dash-list li:before{
  content:"";
  position:absolute;
  left:0;
  top:.72em;
  width:9px;
  height:2px;
  background:#c99a12;
}

.highlight-copy{
  padding:18px;
  border-left:5px solid #c99a12;
  background:#fff8e4;
  font-weight:700;
}

.benefits-feature{
  background:#0b4a87;
  color:#fff;
}

.solution-band{
  border-top:5px solid #c99a12;
}

.benefits-feature h2,
.benefits-feature p,
.benefits-feature li{
  color:#fff;
}

.benefits-feature .dash-list li:before{
  background:#fff;
}

.feature-strip{
  display:grid;
  gap:6px;
  margin-top:22px;
  padding:20px;
  border-radius:8px;
  background:rgba(255,255,255,.12);
}

.light-strip{
  background:#eef4fb;
  color:#0b4a87;
  margin-bottom:18px;
}

.feature-strip strong{
  font-size:20px;
}

.steps-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
  margin:18px 0 22px;
}

.step-card{
  position:relative;
  min-height:150px;
  padding:22px 22px 22px 70px;
  border-radius:8px;
  background:#f5f7fa;
}

.step-card span{
  position:absolute;
  left:22px;
  top:22px;
  width:34px;
  height:34px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:#0b4a87;
  color:#fff;
  font-weight:800;
}

.step-card p{
  margin:0;
}

.two-feature-grid,
.technical-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
  margin-top:20px;
}

.two-feature-grid article{
  padding:22px;
  border-radius:8px;
  background:rgba(255,255,255,.12);
}

.two-feature-grid span{
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  margin-bottom:14px;
  border-radius:50%;
  background:#fff;
  color:#0b4a87;
  font-weight:800;
}

.two-feature-grid h3{
  margin:0 0 10px;
  color:#fff;
}

.technical-sheet{
  border-top:5px solid #0b4a87;
}

.registry{
  display:inline-flex;
  margin:4px 0 18px;
  padding:8px 12px;
  border-radius:999px;
  background:#eef4fb;
  color:#0b4a87;
  font-weight:800;
}

.technical-grid article{
  padding:22px;
  border-radius:8px;
  background:#f5f7fa;
}

.technical-grid h3{
  margin-top:0;
  color:#0b4a87;
}

.warning-band{
  border-left:6px solid #c99a12;
  background:#fff8e4;
}

.warning-band h2{
  color:#7a4f00;
}

.about-page{
  max-width:1180px;
}

.about-hero{
  position:relative;
  min-height:430px;
  display:flex;
  align-items:center;
  margin-bottom:28px;
  padding:54px;
  border-radius:8px;
  background:linear-gradient(90deg,rgba(0,0,0,.72),rgba(0,0,0,.34)), url("../imgs/acerca_00.png") center/cover no-repeat;
  color:#fff;
  overflow:hidden;
  box-shadow:0 12px 32px rgba(15,23,42,.1);
}

.about-hero-text{
  position:relative;
  z-index:1;
  max-width:720px;
}

.about-hero h1{
  margin-bottom:18px;
  font-size:42px;
  line-height:1.12;
}

.about-hero p{
  color:#e5edf6;
  font-size:18px;
}

.about-intro{
  grid-template-columns:1.2fr 360px;
}

.about-image-card{
  margin:0;
  overflow:hidden;
  border-radius:8px;
  box-shadow:0 12px 28px rgba(15,23,42,.1);
}

.about-image-card img{
  width:100%;
  height:300px;
  object-fit:cover;
}

.about-timeline{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  margin-bottom:24px;
}

.timeline-card{
  padding:28px;
  border-radius:8px;
  background:#fff;
  box-shadow:0 10px 28px rgba(15,23,42,.06);
}

.timeline-card span{
  display:inline-flex;
  margin-bottom:14px;
  padding:8px 12px;
  border-radius:999px;
  background:#eef4fb;
  color:#0b4a87;
  font-weight:800;
}

.timeline-card h2{
  color:#0b4a87;
}

.timeline-card.featured{
  background:#fff8e4;
  border-left:6px solid #c99a12;
}

.about-products{
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:24px;
  align-items:start;
}

.about-products .highlight-copy{
  grid-column:1 / -1;
}

.product-pill-grid{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:16px;
}

.product-pill-grid span{
  display:inline-flex;
  padding:9px 12px;
  border-radius:999px;
  background:#eef4fb;
  color:#0b4a87;
  font-size:13px;
  font-weight:800;
}

.about-gallery{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  margin-bottom:24px;
}

.about-gallery img{
  width:100%;
  height:230px;
  object-fit:cover;
  border-radius:8px;
  box-shadow:0 10px 24px rgba(15,23,42,.08);
}

.global-band{
  position:relative;
  overflow:hidden;
  background:#e8edf2;
}

.global-band:before{
  content:"";
  position:absolute;
  right:-80px;
  top:-80px;
  width:230px;
  height:230px;
  border-radius:50%;
  border:30px solid rgba(11,74,135,.1);
}

.pruebas-page{
  max-width:1180px;
}

.pruebas-hero{
  display:grid;
  grid-template-columns:1fr 360px;
  gap:34px;
  align-items:center;
  margin-bottom:28px;
  padding:34px;
  border-radius:8px;
  background:#fff;
  box-shadow:0 12px 32px rgba(15,23,42,.08);
}

.pruebas-hero h1{
  margin-bottom:16px;
  color:#0b4a87;
  font-size:46px;
  line-height:1.08;
}

.pruebas-hero p{
  max-width:700px;
  color:#2f3a4a;
  font-size:16px;
  line-height:1.7;
}

.pruebas-hero img{
  width:100%;
  height:280px;
  object-fit:contain;
}

.video-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
  margin-top:20px;
}

.video-card{
  overflow:hidden;
  border-radius:8px;
  background:#f5f7fa;
  box-shadow:0 10px 24px rgba(15,23,42,.06);
}

.video-card h3{
  min-height:58px;
  display:flex;
  align-items:center;
  margin:0;
  padding:16px 18px;
  color:#0b4a87;
  font-size:18px;
}

.video-card video{
  width:100%;
  aspect-ratio:16 / 9;
  display:block;
  background:#0f172a;
}

.tests-section{
  background:#e8edf2;
}

.tests-grid{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:16px;
  margin-top:20px;
}

.test-card{
  min-height:220px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:14px;
  padding:22px;
  border-radius:8px;
  background:#fff;
  box-shadow:0 10px 24px rgba(15,23,42,.06);
}

.test-card h3{
  color:#0b4a87;
  font-size:20px;
  line-height:1.2;
}

.test-card p{
  margin:0;
  color:#64748b;
  font-size:14px;
}

.test-card.disabled{
  opacity:.78;
}

.test-card.disabled span{
  display:inline-flex;
  align-self:flex-start;
  padding:10px 12px;
  border-radius:999px;
  background:#eef4fb;
  color:#0b4a87;
  font-size:13px;
  font-weight:800;
}

.contact-callout{
  display:grid;
  grid-template-columns:1fr auto;
  gap:30px;
  align-items:center;
  background:#e8edf2;
}

.contact-actions{
  display:flex;
  flex-direction:column;
  gap:12px;
  min-width:260px;
}

.btn-secondary{
  background:#0b4a87;
}

.btn-secondary:hover{
  background:#08345f;
}

.footer{
  background:#0b4a87;
  color:#fff;
  margin-top:60px;
}

.footer-container{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:40px;
  max-width:1180px;
  margin:0 auto;
  padding:56px 24px;
}

.footer-col h3{
    font-size:22px;
    margin-bottom:15px;
}

.footer-col:first-child h3{
    max-width:430px;
    margin:0 0 15px;
}

.footer-col h4{
  margin-bottom:15px;
}

.footer-col p{
    font-size:14px;
    line-height:1.65;
    color:#d6e2f0;
}

.footer-col:first-child p{
    max-width:430px;
    margin:0;
}

.footer a{
  color:#fff;
  text-decoration:none;
}

.footer a:hover{
  text-decoration:underline;
}

.footer ul{
  list-style:none;
}

.footer ul li{
  margin-bottom:8px;
}

.footer ul li a{
  color:#d6e2f0;
}

.footer-bottom{
  text-align:center;
  padding:20px;
  font-size:13px;
  background:#08345f;
  color:#d6e2f0;
}

@media(max-width:980px){
  .topbar{
    padding:4px 22px;
  }

  .brand img{
    width:450px;
    max-height:76px;
  }

  .phone-link strong{
    font-size:18px;
  }

  .nav{
    padding:0;
  }

  .menu{
    flex-direction:column;
    align-items:stretch;
  }

  .menu-right{
    margin-left:0;
  }

  .menu a{
    padding:14px 22px;
  }

  .submenu{
    position:static;
    min-width:0;
    display:none;
    transform:none;
    opacity:1;
    visibility:visible;
    box-shadow:none;
  }

  .submenu.open{
    display:block;
  }

  .hero{
    height:560px;
  }

  .hero-box h1{
    font-size:42px;
  }

  .productos{
    grid-template-columns:1fr 1fr;
  }

  .beneficios,
  .empresa,
  .footer-container{
    grid-template-columns:1fr;
    padding-left:24px;
    padding-right:24px;
  }

  .footer-col:first-child h3,
  .footer-col:first-child p{
    margin-left:0;
  }

  .bloque-producto{
    grid-template-columns:1fr;
    gap:26px;
  }

  .producto-img{
    min-height:0;
  }

  .aditivar-hero,
  .split-band,
  .contact-callout,
  .about-hero,
  .about-intro,
  .about-timeline,
  .about-products,
  .pruebas-hero{
    grid-template-columns:1fr;
  }

  .aditivar-hero img{
    height:210px;
  }

  .about-image-card img{
    height:240px;
  }

  .about-gallery{
    grid-template-columns:1fr 1fr;
  }

  .tests-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }

  .tank-illustration{
    min-height:230px;
  }

  .contact-actions{
    min-width:0;
  }
}

@media(max-width:620px){
  .topbar{
    flex-direction:column;
    align-items:flex-start;
    gap:8px;
  }

  .phone-link{
    text-align:left;
  }

  .hero{
    height:520px;
  }

  .hero-box{
    left:24px;
    width:calc(100% - 48px);
  }

  .hero-box h1{
    font-size:34px;
  }

  .hero-box p{
    font-size:17px;
  }

  .prev,.next{
    display:none;
  }

  .productos,
  .datos-producto,
  .beneficios-grid,
  .check-list,
  .fuel-grade-grid,
  .steps-grid,
  .chapter-grid,
  .two-feature-grid,
  .technical-grid,
  .video-grid,
  .tests-grid{
    grid-template-columns:1fr;
  }

  .aditivar-hero{
    padding:24px;
  }

  .about-hero{
    padding:24px;
    min-height:360px;
  }

  .about-hero h1{
    font-size:34px;
  }

  .pruebas-hero{
    padding:24px;
  }

  .pruebas-hero h1{
    font-size:34px;
  }

  .aditivar-hero img{
    height:180px;
  }

  .about-gallery{
    grid-template-columns:1fr;
  }

  .number-list li{
    padding:16px 16px 16px 56px;
  }

  .prod{
    min-height:150px;
  }

  .interior-header h1{
    font-size:34px;
  }

  .empresa-texto h2{
    font-size:34px;
  }
}