:root{
  --bg:#ffffff;
  --surface:#f5f7fa;
  --text:#1d232a;
  --muted:#6b7785;
  --border:#d4dbe3;
  --primary:#0b5fff;
  --primary-strong:#0847bf;
  --accent:#ff6a00;
  --nav:#0f1720;
  --nav-text:#e8edf3;
  --max:1200px;
  --radius:0px; /* industrial: sin curvas */
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:var(--bg);
  line-height:1.4;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.muted{color:var(--muted)}

.container{max-width:var(--max);margin:0 auto;padding:0 16px}

/* Top bar */
.topbar{
  background:#f0f2f5;
  border-bottom:1px solid var(--border);
  font-size:13px;
}
.topbar .row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:10px 0;
}
.topbar .links{display:flex;gap:14px;flex-wrap:wrap}
.topbar .links a{color:var(--muted)}
.topbar .right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}

.search{
  display:flex;
  align-items:center;
  gap:8px;
}
.search input{
  height:34px;
  width:260px;
  padding:0 10px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:#fff;
  outline:none;
}
.search input:focus{border-color:#9bb6ff}
.search button{
  height:34px;
  padding:0 12px;
  border:1px solid var(--border);
  background:#fff;
  border-radius:var(--radius);
  cursor:pointer;
}

.lang{
  height:34px;
  border:1px solid var(--border);
  background:#fff;
  border-radius:var(--radius);
  padding:0 8px;
}

/* Header */
.header{
  background:#fff;
  border-bottom:1px solid var(--border);
}
.header .row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 0;
}
.header .cta{
  display:flex;
  align-items:center;
  gap:10px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:220px;
}
.brand img{height:60px;width:auto}
.brand .tagline{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}

/* Nav */
.navbar{
  background:var(--nav);
  color:var(--nav-text);
}
.navbar .row{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:12px;
}
.navbar nav{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  padding:12px 0;
}
.navbar a{color:var(--nav-text)}
.navbar a:hover{color:#fff}

.navbar .cta{
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 0;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:36px;
  padding:0 14px;
  border-radius:var(--radius);
  border:1px solid transparent;
  cursor:pointer;
  font-weight:600;
  letter-spacing:.02em;
}
.btn.primary{background:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-strong)}
.btn.outline{background:transparent;color:var(--text);border-color:var(--border)}
.btn.outline:hover{border-color:#9bb6ff}

.navbar .btn.outline{color:var(--nav-text);border-color:#394657}
.navbar .btn.outline:hover{border-color:#64758a}

/* Hamburger menu */
.hamburger{
  display:none;
  flex-direction:column;
  gap:5px;
  background:transparent;
  border:none;
  cursor:pointer;
  padding:8px;
  z-index:1001;
  position:fixed;
  right:20px;
  top:12px;
}
.hamburger span{
  display:block;
  width:28px;
  height:3px;
  background:#1d232a;
  transition:all 0.3s ease;
  border-radius:2px;
}
.hamburger.active span:nth-child(1){
  transform:rotate(45deg) translate(7px, 7px);
  background:#ffffff;
}
.hamburger.active span:nth-child(2){
  opacity:0;
}
.hamburger.active span:nth-child(3){
  transform:rotate(-45deg) translate(7px, -7px);
  background:#ffffff;
}

/* Dropdown */
.dropdown{position:relative}
.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}

.dropdown > button{
  background:transparent;
  border:0;
  color:var(--nav-text);
  cursor:pointer;
  font:inherit;
  padding:0;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.caret{display:inline-block;border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid var(--nav-text);transform:translateY(1px)}

/* Evita que el menú se oculte al mover el mouse del botón al dropdown */
.dropdown::before{
  content:"";
  position:absolute;
  left:-10px;
  right:-10px;
  top:0;
  bottom:-15px;
  background:transparent;
  z-index:19;
}

.dropdown-content{
  position:absolute;
  top:100%;
  padding-top:10px;
  left:0;
  min-width:240px;
  z-index:20;
  display:none;
}

.dropdown-content > a:first-child{
  border-radius:var(--radius) var(--radius) 0 0;
}

.dropdown-content > a:last-child{
  border-radius:0 0 var(--radius) var(--radius);
}

.dropdown-content::before{
  content:"";
  display:block;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  position:absolute;
  top:10px;
  left:0;
  right:0;
  bottom:0;
  box-shadow:0 4px 12px rgba(0,0,0,0.1);
  z-index:-1;
}

/* Soporte para ambas clases menu y dropdown-content */
.menu{
  position:absolute;
  top:100%;
  padding-top:10px;
  left:0;
  min-width:240px;
  z-index:20;
  display:none;
}

.menu::before{
  content:"";
  display:block;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  position:absolute;
  top:10px;
  left:0;
  right:0;
  bottom:0;
  box-shadow:0 4px 12px rgba(0,0,0,0.1);
  z-index:-1;
}
.menu a{
  display:block;
  padding:10px 12px;
  border-bottom:1px solid var(--border);
  color:var(--text);
  background:#fff;
  position:relative;
  z-index:1;
}
.dropdown-content a{
  display:block;
  padding:10px 12px;
  border-bottom:1px solid var(--border);
  color:var(--text);
  background:#fff;
  position:relative;
  z-index:1;
}
.menu a:visited{color:var(--text)}
.dropdown-content a:visited{color:var(--text)}
.menu a:last-child{border-bottom:0}
.dropdown-content a:last-child{border-bottom:0}
.menu a:hover,
.menu a:focus,
.menu a:focus-visible{
  background:var(--surface);
  color:var(--text);
}
.dropdown-content a:hover,
.dropdown-content a:focus,
.dropdown-content a:focus-visible{
  background:var(--surface);
  color:var(--text);
}
.dropdown:focus-within .menu,
.dropdown:hover .menu,
.dropdown:focus-within .dropdown-content,
.dropdown:hover .dropdown-content{display:block}

/* Carrusel full-width */
.carousel-wide{
  background:#fff;
  border-bottom:1px solid var(--border);
}
.carousel{
  position:relative;
}
.carousel-viewport{outline:none;overflow:hidden}
.carousel-track{
  display:flex;
  transform:translate3d(0,0,0);
  transition:transform 220ms ease;
}
.carousel-slide{
  min-width:100%;
  margin:0;
}
.carousel-slide img{
  width:100%;
  height:260px;
  object-fit:cover;
  border-bottom:1px solid var(--border);
}

.carousel-btn{
  position:absolute;
  top:120px;
  transform:translateY(-50%);
  width:44px;
  height:44px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--text);
  border-radius:var(--radius);
  cursor:pointer;
  font-size:28px;
  line-height:1;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:5;
}
.carousel-btn.prev{left:12px}
.carousel-btn.next{right:12px}
.carousel-btn:hover,
.carousel-btn:focus,
.carousel-btn:focus-visible{
  border-color:var(--accent);
  outline:none;
}

.carousel-thumbs{display:none}
.thumb{display:none}

/* Hero */
.hero{
  background:linear-gradient(90deg,#e9eef5 0%, #ffffff 55%);
  border-bottom:1px solid var(--border);
}
.hero .row{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:18px;
  padding:26px 0;
  align-items:center;
}
.hero h1{
  margin:0 0 10px;
  font-size:40px;
  line-height:1.05;
  letter-spacing:-.02em;
}
.hero p{margin:0 0 16px;color:var(--muted);max-width:54ch}
.hero .actions{display:flex;gap:10px;flex-wrap:wrap}
.hero .panel{
  background:transparent;
}
.hero-shot{
  width:100%;
  height:280px;
  object-fit:cover;
}

/* Section */
.section{padding:26px 0}
.section-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:14px;
}
.section-title h2{
  margin:0;
  font-size:18px;
  text-transform:uppercase;
  letter-spacing:.12em;
}
.section-title .line{flex:1;height:1px;background:var(--border)}

/* Industrial info boxes */
.industrial-info{
  background:#f8f9fa;
  border-top:2px solid var(--border);
  border-bottom:2px solid var(--border);
}
.info-box{
  background:#fff;
  border:1px solid #e0e0e0;
  border-left:3px solid #0e6cb5;
  padding:18px 20px;
  margin-bottom:16px;
}
.info-box:last-of-type{
  margin-bottom:0;
}
.info-box p{
  line-height:1.7;
  font-size:15px;
}
.faq-box{
  border:none;
  border-left:none;
  background:transparent;
  padding:0;
}
.faq-box h3{
  border-left:none !important;
  padding-left:0 !important;
  margin-bottom:24px !important;
}
.faq-item{
  padding:16px 0;
  border-bottom:1px solid #e8e8e8;
}
.faq-item:last-child{
  border-bottom:none;
}

.grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
}
.card{
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:#fff;
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.card .thumb{
  aspect-ratio:4/3;
  background:var(--surface);
  display:flex;
  align-items:center;
  justify-content:center;
}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .body{padding:12px;display:flex;flex-direction:column;gap:10px}
.card .name{font-weight:700}
.card .meta{font-size:13px;color:var(--muted)}
.card .card-actions{margin-top:auto}
.card .card-actions a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:34px;
  padding:0 12px;
  border:1px solid var(--border);
  background:#fff;
  border-radius:var(--radius);
  font-weight:600;
}
.card .card-actions a:hover{border-color:#9bb6ff}

/* Categorías (rediseño industrial/moderno) */
.cat-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
}
.cat-card{
  position:relative;
  height:320px;
  background-size:cover;
  background-position:center;
  border:2px solid var(--border);
  overflow:hidden;
  transition:border-color 160ms ease;
}
.cat-card:hover{
  border-color:#0e6cb5;
}
.cat-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(15,23,32,0.6) 0%, rgba(15,23,32,0.88) 100%);
  transition:background 200ms ease;
}
.cat-card:hover .cat-overlay{
  background:linear-gradient(180deg, rgba(15,23,32,0.7) 0%, rgba(15,23,32,0.92) 100%);
}
.cat-content{
  position:relative;
  z-index:2;
  height:100%;
  padding:24px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  color:#fff;
}
.cat-number{
  position:absolute;
  top:24px;
  right:24px;
  font-size:56px;
  font-weight:900;
  line-height:1;
  color:rgba(255,255,255,0.15);
  letter-spacing:-.04em;
}
.cat-name{
  margin:0 0 6px;
  font-size:24px;
  font-weight:900;
  letter-spacing:-.01em;
  text-transform:uppercase;
}
.cat-meta{
  margin:0 0 12px;
  font-size:14px;
  color:rgba(255,255,255,0.82);
  max-width:38ch;
}
.cat-cta{
  display:inline-flex;
  align-items:center;
  font-weight:800;
  text-transform:uppercase;
  font-size:13px;
  letter-spacing:.08em;
  color:#fff;
  border-bottom:2px solid transparent;
  transition:border-color 140ms ease;
}
.cat-card:hover .cat-cta{
  border-color:#0e6cb5;
}

/* Reviews */
.reviews-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:14px;
}
.review-card{
  border:1px solid var(--border);
  background:#fff;
  padding:12px;
}
.review-top{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  margin-bottom:8px;
}
.review-name{font-weight:800}
.review-stars{letter-spacing:.08em}
.review-text{margin:0;color:var(--muted)}

/* Category header */
.pagehead{
  background:#fff;
  border-bottom:1px solid var(--border);
}
.pagehead .row{padding:18px 0}
.breadcrumb{font-size:13px;color:var(--muted)}
.pagehead h1{margin:8px 0 0;font-size:28px;letter-spacing:-.01em}

/* Footer */
.footer{
  margin-top:26px;
  padding:40px 0;
  border-top:1px solid var(--border);
  background:#f0f2f5;
}
.footer .row{
  padding:32px 0;
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  color:var(--muted);
  font-size:13px;
}

/* WhatsApp button (fixed) */
.whatsapp-fab{
  position:fixed;
  right:16px;
  bottom:16px;
  z-index:60;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:18px;
  background:#25d366;
  color:#ffffff;
  border:none;
  border-radius:50%;
  font-weight:700;
  letter-spacing:.02em;
}
.whatsapp-fab svg{width:28px;height:28px;display:block}
.whatsapp-fab span{display:none}
.whatsapp-fab:hover,
.whatsapp-fab:focus,
.whatsapp-fab:focus-visible{
  background:#1fb95a;
  outline:2px solid #0f1720;
  outline-offset:2px;
}

/* Product tabs */
.prod-tabs{
  display:flex;
  gap:2px;
  border-bottom:2px solid var(--border);
  margin-bottom:28px;
}
.prod-tab{
  padding:12px 24px;
  background:var(--surface);
  border:none;
  border-bottom:2px solid transparent;
  cursor:pointer;
  font-size:15px;
  font-weight:600;
  color:var(--muted);
  transition:all .2s;
  position:relative;
  bottom:-2px;
}
.prod-tab:hover{
  background:#e8ecf0;
  color:var(--text);
}
.prod-tab.active{
  background:#fff;
  color:var(--text);
  border-bottom-color:var(--primary);
}
.prod-tab-content{
  display:none;
}
.prod-tab-content.active{
  display:block;
}

/* Product carousel */
.prod-carousel{
  position:relative;
  width:100%;
  overflow:hidden;
  border:1px solid var(--border);
}
.prod-carousel-track{
  display:flex;
  transition:transform .4s cubic-bezier(.4,0,.2,1);
}
.prod-slide{
  flex:0 0 100%;
  min-width:100%;
}
.prod-slide img{
  width:100%;
  height:auto;
  display:block;
}
.prod-carousel-btn{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:50px;
  height:50px;
  background:rgba(15,23,32,.8);
  color:#fff;
  border:2px solid #fff;
  border-radius:var(--radius);
  font-size:32px;
  font-weight:700;
  line-height:1;
  cursor:pointer;
  z-index:2;
  transition:all .2s;
}
.prod-carousel-btn:hover{
  background:rgba(15,23,32,.95);
}
.prod-prev{left:12px}
.prod-next{right:12px}

/* Responsive */
@media (max-width: 980px){
  .hero .row{grid-template-columns:1fr}
  .search input{width:200px}
  .grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:1fr}
  .cat-card{height:280px}
  .reviews-grid{grid-template-columns:repeat(2,1fr)}

  .carousel-slide img{height:220px}
  .carousel-btn{top:105px}

  .prod-tab{padding:10px 18px;font-size:14px}
  .prod-carousel-btn{width:44px;height:44px;font-size:28px}
  
  /* Navbar tablet */
  .hamburger{display:flex}
  #main-nav{
    position:fixed;
    top:0;
    left:-100%;
    width:280px;
    height:100vh;
    background:var(--nav);
    padding:80px 20px 20px;
    transition:left 0.3s ease;
    overflow-y:auto;
    overflow-x:hidden;
    z-index:1000;
    box-shadow:2px 0 10px rgba(0,0,0,0.3);
  }
  #main-nav.active{
    left:0;
  }
  .navbar nav{
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    width:100%;
    flex-wrap:nowrap;
  }
  .navbar nav > a{
    width:100%;
    padding:14px 0;
    border-bottom:1px solid rgba(255,255,255,0.1);
    word-wrap:break-word;
  }
  .dropdown{
    width:100%;
    border-bottom:1px solid rgba(255,255,255,0.1);
  }
  .dropdown > button{
    width:100%;
    justify-content:space-between;
    padding:14px 0;
    background:transparent;
    border:none;
    color:#ffffff;
    font-size:15px;
    text-align:left;
    word-wrap:break-word;
  }
  .menu{
    position:static;
    min-width:0;
    width:100%;
    margin-top:0;
    box-shadow:none;
    background:rgba(0,0,0,0.2);
    border:none;
  }
  .menu a{
    padding:12px 16px;
    color:#ffffff !important;
    word-wrap:break-word;
    display:block;
  }
  .menu a:visited{
    color:#ffffff !important;
  }
  .menu a:hover{
    background:rgba(255,255,255,0.1);
    color:#ffffff !important;
  }
  .menu a:focus,
  .menu a:focus-visible{
    background:rgba(255,255,255,0.1);
    color:#ffffff !important;
  }
}
@media (max-width: 560px){
  .topbar .row{flex-direction:column;align-items:flex-start;gap:8px}
  .header .row{flex-direction:column;align-items:flex-start}
  .search input{width:100%}
  .grid{grid-template-columns:1fr}
  .cat-card{height:260px}
  .cat-name{font-size:20px}
  .cat-number{font-size:44px}
  .reviews-grid{grid-template-columns:1fr}
  .hero h1{font-size:28px;line-height:1.2}
  .hero p{font-size:15px}
  .actions{flex-direction:column;width:100%}
  .actions .btn{width:100%}
  
  /* Navbar móvil */
  #main-nav{
    width:100%;
    left:-100%;
  }
  
  /* Ajustes generales móvil */
  .container{padding:0 16px}
  .section{padding:20px 0}
  .info-box{padding:14px 16px}
  .whatsapp-fab{right:12px;bottom:12px}
  .carousel-slide img{height:180px}
  .carousel-btn{width:42px;height:42px;font-size:24px}
  .prod-tabs{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .prod-tab{padding:10px 16px;font-size:13px;white-space:nowrap}
}
  .dropdown::after{display:none}

  .carousel-slide img{height:190px}
  .carousel-btn{top:92px;width:42px;height:42px}
  .thumb img{width:84px;height:50px}

  .whatsapp-fab{right:12px;bottom:12px}

  .prod-tabs{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .prod-tab{padding:10px 16px;font-size:13px;white-space:nowrap}
  .prod-carousel-btn{width:38px;height:38px;font-size:24px}
}