:root{
  --steel-charcoal:#181C20;
  --graphite-panel:#22262C;
  --graphite-panel-2:#2A2F36;
  --safety-yellow:#F5B700;
  --brand-red:#BD4F3F;
  --blueprint-blue:#4C8DBF;
  --warm-white:#EEEBE3;
  --steel-gray-mid:#8A9099;
  --hairline:#383D45;
  --success-green:#4CAF6D;

  --font-display:'Oswald', sans-serif;
  --font-body:'IBM Plex Sans', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--steel-charcoal);
  color:var(--warm-white);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.6;
  overflow-x:hidden;
}
img{max-width:100%; display:block;}
a{color:inherit;}

.wrap{max-width:1180px; margin:0 auto; padding:0 24px;}

.blueprint-bg{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(76,141,191,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(76,141,191,0.07) 1px, transparent 1px);
  background-size:40px 40px;
  pointer-events:none;
}

header{
  position:sticky; top:0; z-index:50;
  background:rgba(24,28,32,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--hairline);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 24px;
}
.logo{
  font-family:var(--font-display);
  font-weight:600;
  font-size:1.25rem;
  letter-spacing:0.5px;
  text-transform:uppercase;
  color:var(--warm-white);
  display:flex; align-items:center; gap:10px;
  text-decoration:none;
}
.logo .mark{
  width:26px; height:26px;
  border-radius:50%;
  background:url(../images/favicon.svg) center/cover no-repeat;
  flex-shrink:0;
}
nav{display:flex; gap:26px;}
nav a{
  font-family:var(--font-mono);
  font-size:0.76rem;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--steel-gray-mid);
  text-decoration:none;
  transition:color 0.2s;
}
nav a:hover, nav a.active{color:var(--safety-yellow);}
.header-cta{
  font-family:var(--font-mono);
  font-size:0.76rem;
  background:var(--safety-yellow);
  color:var(--steel-charcoal);
  padding:9px 18px;
  text-decoration:none;
  font-weight:600;
  letter-spacing:0.03em;
  white-space:nowrap;
}
.header-cta:hover{background:#ffcb2e;}

.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
  width:38px; height:38px;
  background:transparent;
  border:1px solid var(--hairline);
  cursor:pointer;
  padding:0;
  flex-shrink:0;
}
.nav-toggle span{
  display:block;
  width:18px; height:2px;
  background:var(--warm-white);
  transition:transform 0.2s, opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* Breadcrumb */
.breadcrumb{
  padding:18px 24px 0;
  max-width:1180px; margin:0 auto;
  font-family:var(--font-mono);
  font-size:0.75rem;
  color:var(--steel-gray-mid);
}
.breadcrumb a{color:var(--blueprint-blue); text-decoration:none;}
.breadcrumb a:hover{text-decoration:underline;}

/* Hero (home) */
.hero{
  position:relative;
  padding:90px 24px 70px;
  border-bottom:1px solid var(--hairline);
  overflow:hidden;
}
.hero-inner{
  max-width:1180px; margin:0 auto;
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:56px;
  align-items:center;
  position:relative;
  z-index:2;
}
.eyebrow{
  font-family:var(--font-mono);
  font-size:0.78rem;
  color:var(--brand-red);
  letter-spacing:0.12em;
  text-transform:uppercase;
  display:flex; align-items:center; gap:10px;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:26px; height:2px;
  background:var(--brand-red);
  display:inline-block;
}
h1{
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(2.2rem, 4vw, 3.4rem);
  line-height:1.1;
  letter-spacing:-0.01em;
  text-transform:uppercase;
  margin-bottom:20px;
}
h1 span{color:var(--safety-yellow);}
.hero p.sub{
  font-size:1.03rem;
  color:var(--steel-gray-mid);
  max-width:540px;
  margin-bottom:32px;
}
.hero-ctas{display:flex; gap:14px; flex-wrap:wrap;}
.btn-primary{
  background:var(--safety-yellow);
  color:var(--steel-charcoal);
  font-family:var(--font-mono);
  font-weight:600;
  font-size:0.85rem;
  letter-spacing:0.03em;
  text-transform:uppercase;
  padding:15px 26px;
  text-decoration:none;
  border:none;
  cursor:pointer;
  transition:background 0.2s, transform 0.15s;
  display:inline-block;
}
.btn-primary:hover{background:#ffcb2e; transform:translateY(-1px);}
.btn-secondary{
  background:transparent;
  color:var(--warm-white);
  border:1px solid var(--hairline);
  font-family:var(--font-mono);
  font-weight:500;
  font-size:0.85rem;
  letter-spacing:0.03em;
  text-transform:uppercase;
  padding:15px 26px;
  text-decoration:none;
  cursor:pointer;
  display:inline-flex; align-items:center; gap:8px;
  transition:border-color 0.2s, color 0.2s;
}
.btn-secondary:hover{border-color:var(--safety-yellow); color:var(--safety-yellow);}

.hero-stats{
  display:flex; gap:32px; flex-wrap:wrap;
  margin-top:40px;
  padding-top:28px;
  border-top:1px solid var(--hairline);
}
.stat-num{
  font-family:var(--font-mono);
  font-size:1.4rem;
  color:var(--safety-yellow);
  font-weight:600;
}
.stat-label{
  font-size:0.72rem;
  color:var(--steel-gray-mid);
  text-transform:uppercase;
  letter-spacing:0.04em;
}

.crane-stage{
  position:relative;
  background:var(--graphite-panel);
  border:1px solid var(--hairline);
  aspect-ratio:1/0.85;
  overflow:hidden;
}
.crane-stage::before{
  content:"GS-XY-RAIL // FRICTION FREE RAIL SYSTEM";
  position:absolute; top:14px; left:16px;
  font-family:var(--font-mono);
  font-size:0.62rem;
  letter-spacing:0.05em;
  color:var(--warm-white);
  background:rgba(24,28,32,0.72);
  padding:6px 10px;
  z-index:2;
}
.crane-stage::after{
  content:"SWL 500 KG · IN-HOUSE DESIGN";
  position:absolute; bottom:14px; right:16px;
  font-family:var(--font-mono);
  font-size:0.62rem;
  letter-spacing:0.05em;
  color:var(--warm-white);
  background:rgba(24,28,32,0.72);
  padding:6px 10px;
  z-index:2;
}
.crane-photo{
  width:100%; height:100%;
  object-fit:cover;
  display:block;
}

/* Product page hero (smaller, text only) */
.product-hero{
  padding:48px 24px 40px;
  border-bottom:1px solid var(--hairline);
}
.product-hero .wrap{max-width:1180px;}
.product-hero h1{font-size:clamp(1.9rem, 3.6vw, 2.8rem);}
.product-hero p.sub{max-width:640px; margin-bottom:0;}

.hazard-divider{
  height:10px;
  background:repeating-linear-gradient(
    -45deg,
    var(--safety-yellow),
    var(--safety-yellow) 14px,
    var(--steel-charcoal) 14px,
    var(--steel-charcoal) 28px
  );
}

.cta-band{background:var(--safety-yellow);}
.cta-band-inner{
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap:24px;
  padding:44px 24px;
}
.cta-band h2{
  font-family:var(--font-display);
  text-transform:uppercase;
  font-size:clamp(1.4rem, 2.6vw, 1.9rem);
  color:var(--steel-charcoal);
  margin-bottom:6px;
}
.cta-band p{
  color:var(--steel-charcoal);
  font-size:0.95rem;
  max-width:480px;
  opacity:0.82;
}
.btn-dark{
  background:var(--steel-charcoal);
  color:var(--warm-white);
  font-family:var(--font-mono);
  font-weight:600;
  font-size:0.85rem;
  letter-spacing:0.03em;
  text-transform:uppercase;
  padding:15px 26px;
  text-decoration:none;
  white-space:nowrap;
  transition:background 0.2s;
}
.btn-dark:hover{background:#2a2f36;}

section{padding:80px 24px;}
.section-head{
  display:flex; justify-content:space-between; align-items:flex-end;
  margin-bottom:44px; flex-wrap:wrap; gap:16px;
  border-bottom:1px solid var(--hairline);
  padding-bottom:24px;
}
.section-head h2{
  font-family:var(--font-display);
  font-size:clamp(1.6rem, 3vw, 2.2rem);
  text-transform:uppercase;
  font-weight:600;
}
.section-head p{color:var(--steel-gray-mid); max-width:440px; font-size:0.95rem;}

.spotlight{
  background:var(--graphite-panel);
  border:1px solid var(--hairline);
}
.spotlight-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0;
}
.spotlight-media{
  background:var(--steel-charcoal);
  padding:0;
  display:flex; align-items:stretch; justify-content:center;
  border-right:1px solid var(--hairline);
  overflow:hidden;
}
.spotlight-media img{width:100%; height:100%; object-fit:cover; min-height:320px;}
.spotlight-content{padding:48px;}
.spotlight-content h3{
  font-family:var(--font-display);
  font-size:1.75rem;
  text-transform:uppercase;
  margin-bottom:16px;
}
.spotlight-content p.desc{color:var(--steel-gray-mid); margin-bottom:24px;}
.spec-table{
  width:100%;
  border-collapse:collapse;
  font-family:var(--font-mono);
  font-size:0.8rem;
  margin-bottom:24px;
}
.spec-table th{
  text-align:left; color:var(--safety-yellow);
  font-weight:600; padding:8px 8px 8px 0;
  border-bottom:1px solid var(--hairline);
  font-size:0.72rem; text-transform:uppercase; letter-spacing:0.04em;
}
.spec-table td{padding:9px 8px 9px 0; border-bottom:1px solid var(--hairline); color:var(--warm-white);}
.spec-table tr:last-child td{border-bottom:none;}
.spec-note{font-family:var(--font-mono); font-size:0.72rem; color:var(--steel-gray-mid); margin-bottom:24px;}

/* Feature list (used on product detail pages) */
.feature-list{list-style:none; margin-bottom:24px;}
.feature-list li{
  padding:12px 0; border-bottom:1px solid var(--hairline);
  display:flex; gap:12px;
}
.feature-list li:last-child{border-bottom:none;}
.feature-list .dot{color:var(--safety-yellow); flex-shrink:0;}
.feature-list strong{display:block; font-family:var(--font-body); font-weight:600; font-size:0.95rem; margin-bottom:2px;}
.feature-list span{color:var(--steel-gray-mid); font-size:0.86rem;}

/* Variant cards (used for sub-types e.g. pillar/wall mounted, single/double girder) */
.variant-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:1px;
  background:var(--hairline); border:1px solid var(--hairline);
  margin-bottom:8px;
}
.variant-card{background:var(--graphite-panel); padding:26px;}
.variant-card h4{font-family:var(--font-body); font-weight:600; font-size:1.1rem; margin-bottom:10px;}
.variant-card p{color:var(--steel-gray-mid); font-size:0.86rem;}
.variant-card.with-photo{padding:0;}
.variant-card.with-photo img{width:100%; height:170px; object-fit:cover; display:block;}
.variant-card.with-photo .variant-card-body{padding:22px 26px;}

.products-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:1px;
  background:var(--hairline);
  border:1px solid var(--hairline);
}
.product-card{
  background:var(--graphite-panel);
  padding:30px 26px;
  transition:background 0.2s;
}
.product-card:hover{background:var(--graphite-panel-2);}
.product-index{
  font-family:var(--font-mono);
  font-size:0.7rem;
  color:var(--safety-yellow);
  letter-spacing:0.06em;
  margin-bottom:14px;
  display:block;
}
.product-card h4{
  font-family:var(--font-body);
  font-size:1.15rem;
  margin-bottom:10px;
  font-weight:600;
}
.product-card p{
  color:var(--steel-gray-mid);
  font-size:0.86rem;
  margin-bottom:16px;
}
.product-card-links{
  border-top:1px solid var(--hairline);
  padding-top:14px;
  display:flex; justify-content:space-between; align-items:center;
  font-family:var(--font-mono); font-size:0.78rem;
}
.product-card-links a{text-decoration:none; color:var(--blueprint-blue);}
.product-card-links a.view-details{color:var(--safety-yellow); font-weight:600;}
.product-card-links a:hover{text-decoration:underline;}

.gallery-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1px;
  background:var(--hairline);
  border:1px solid var(--hairline);
}
.gallery-item{background:var(--graphite-panel);}
.gallery-item img{width:100%; height:340px; object-fit:cover; display:block;}
.gallery-caption{
  padding:16px 20px;
  font-family:var(--font-mono);
  font-size:0.78rem;
  color:var(--steel-gray-mid);
  border-top:1px solid var(--hairline);
}
.gallery-caption strong{color:var(--warm-white); display:block; margin-bottom:4px; font-size:0.85rem;}

.about-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:start;
}
.about-grid p{color:var(--steel-gray-mid); margin-bottom:16px;}
.why-list{list-style:none;}
.why-list li{
  display:flex; gap:16px;
  padding:18px 0;
  border-bottom:1px solid var(--hairline);
}
.why-list li:first-child{padding-top:0;}
.why-num{
  font-family:var(--font-mono);
  color:var(--safety-yellow);
  font-size:0.85rem;
  flex-shrink:0;
  width:28px;
}
.why-list strong{display:block; margin-bottom:4px; font-family:var(--font-body); font-weight:600; font-size:1rem;}
.why-list span{color:var(--steel-gray-mid); font-size:0.88rem;}

.lead-section{
  background:var(--graphite-panel);
  border-top:1px solid var(--hairline);
  border-bottom:1px solid var(--hairline);
}
.lead-grid{
  display:grid;
  grid-template-columns:0.85fr 1fr;
  gap:56px;
}
.lead-info h2{
  font-family:var(--font-display);
  font-size:clamp(1.6rem, 3vw, 2.1rem);
  text-transform:uppercase;
  margin-bottom:18px;
}
.lead-info p{color:var(--steel-gray-mid); margin-bottom:28px;}
.contact-line{
  display:flex; align-items:center; gap:12px;
  padding:14px 0;
  border-top:1px solid var(--hairline);
  font-family:var(--font-mono);
  font-size:0.88rem;
}
.contact-line:last-child{border-bottom:1px solid var(--hairline);}
.contact-line .ico{color:var(--safety-yellow);}
.contact-line small{color:var(--steel-gray-mid); font-size:0.72rem; display:block;}

form{background:var(--steel-charcoal); border:1px solid var(--hairline); padding:36px;}
.form-row{margin-bottom:20px;}
.form-row label{
  display:block;
  font-family:var(--font-mono);
  font-size:0.72rem;
  text-transform:uppercase;
  letter-spacing:0.06em;
  color:var(--steel-gray-mid);
  margin-bottom:8px;
}
.form-row input,
.form-row select,
.form-row textarea{
  width:100%;
  background:var(--graphite-panel);
  border:1px solid var(--hairline);
  color:var(--warm-white);
  padding:12px 14px;
  font-family:var(--font-body);
  font-size:0.92rem;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus{
  outline:none;
  border-color:var(--safety-yellow);
}
.form-row textarea{resize:vertical; min-height:90px;}
.form-two{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
.form-submit{
  width:100%;
  background:var(--safety-yellow);
  color:var(--steel-charcoal);
  border:none;
  font-family:var(--font-mono);
  font-weight:600;
  text-transform:uppercase;
  font-size:0.85rem;
  letter-spacing:0.03em;
  padding:15px;
  cursor:pointer;
  transition:background 0.2s;
}
.form-submit:hover{background:#ffcb2e;}

.thank-you{
  display:none;
  text-align:center;
  padding:20px 4px 4px;
}
.thank-you.show{display:block;}
.thank-you .check{
  width:46px; height:46px;
  border-radius:50%;
  background:var(--success-green);
  display:flex; align-items:center; justify-content:center;
  margin:0 auto 16px;
  font-size:1.3rem;
}
.thank-you h4{
  font-family:var(--font-display);
  text-transform:uppercase;
  font-size:1.2rem;
  margin-bottom:8px;
}
.thank-you p{color:var(--steel-gray-mid); font-size:0.9rem; margin-bottom:20px;}
.wa-btn{
  display:inline-flex; align-items:center; gap:10px;
  background:#25D366;
  color:#0b1a10;
  font-family:var(--font-mono);
  font-weight:600;
  font-size:0.85rem;
  text-transform:uppercase;
  padding:14px 24px;
  text-decoration:none;
}
.wa-btn:hover{background:#2fe374;}

.trust-line{
  font-family:var(--font-mono);
  font-size:0.75rem;
  color:var(--steel-gray-mid);
  margin-top:14px;
}

/* Related products (product pages) */
.related-grid{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:1px;
  background:var(--hairline); border:1px solid var(--hairline);
}
.related-card{
  background:var(--graphite-panel); padding:22px; text-decoration:none; color:var(--warm-white);
  transition:background 0.2s;
}
.related-card:hover{background:var(--graphite-panel-2);}
.related-card span{font-family:var(--font-mono); font-size:0.68rem; color:var(--safety-yellow); letter-spacing:0.05em;}
.related-card h5{font-family:var(--font-body); font-weight:600; font-size:1rem; margin-top:8px;}

footer{padding:40px 24px 30px;}
.footer-inner{
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:16px;
  font-size:0.78rem; color:var(--steel-gray-mid);
  font-family:var(--font-mono);
}

.float-wa{
  position:fixed; bottom:24px; right:24px; z-index:60;
  background:#25D366;
  width:58px; height:58px;
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 6px 20px rgba(0,0,0,0.4);
  text-decoration:none;
  animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(37,211,102,0.5);}
  70%{box-shadow:0 0 0 14px rgba(37,211,102,0);}
  100%{box-shadow:0 0 0 0 rgba(37,211,102,0);}
}

@media (max-width:900px){
  .header-inner{position:relative;}
  .nav-toggle{display:flex;}
  nav{
    position:absolute;
    top:100%; left:0; right:0;
    flex-direction:column;
    gap:0;
    background:var(--steel-charcoal);
    border-bottom:1px solid var(--hairline);
    padding:0 24px;
    max-height:0;
    overflow:hidden;
    transition:max-height 0.25s ease;
  }
  nav[data-open="true"]{max-height:400px;}
  nav a{padding:16px 0; border-bottom:1px solid var(--hairline); font-size:0.85rem;}
  nav a:last-child{border-bottom:none;}
  .hero-inner{grid-template-columns:1fr;}
  .spotlight-grid{grid-template-columns:1fr;}
  .spotlight-media{border-right:none; border-bottom:1px solid var(--hairline);}
  .about-grid{grid-template-columns:1fr;}
  .lead-grid{grid-template-columns:1fr;}
  .products-grid{grid-template-columns:1fr 1fr;}
  .gallery-grid{grid-template-columns:1fr;}
  .variant-grid{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
}
@media (max-width:560px){
  .products-grid{grid-template-columns:1fr;}
  .form-two{grid-template-columns:1fr;}
  .hero-stats{flex-wrap:wrap; gap:20px;}
}

@media (prefers-reduced-motion: reduce){
  .float-wa{animation:none;}
  * {animation-duration:0.01ms !important; transition-duration:0.01ms !important;}
}