:root {
  --primary-red: #FF4C4C;
  --dark-bg: #1a1a1a;
  --metal-gradient: linear-gradient(145deg, #232323 0%, #3a3a3a 50%, #151515 100%);
  --card-bg: rgba(40, 40, 40, 0.85);
  --text-main: #f0f0f0;
  --accent-gray: #808080;
}

/* NEW: Metal Animation Keyframes */
@keyframes metalReflect {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes mainBgShine {
  0% { background-position: 0% 0, 0 0, 0 0, 0 0; }
  100% { background-position: 200% 0, 0 0, 0 0, 0 0; }
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; background: var(--dark-bg); color: var(--text-main); line-height: 1.6; overflow-x: hidden; }

/* UPDATED: Added a moving light streak layer to your background */
.bg-overlay { 
  position: fixed; top: 0; left: 0; width: 100%; height: 100%; 
  background: 
    linear-gradient(115deg, transparent 40%, rgba(255,255,255,0.03) 50%, transparent 60%),
    linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), 
    url('https://www.transparenttextures.com/patterns/brushed-alum.png'), 
    url('images/IMG-20250711-WA0032.jpg') center/cover no-repeat; 
  background-size: 200% 100%, cover, auto, cover;
  animation: mainBgShine 15s infinite linear;
  z-index: -1; 
}

/* UPDATED HEADER FOR HAMBURGER & LOGO ALIGNMENT */
header { 
  background: rgba(0, 0, 0, 0.95); 
  border-bottom: 3px solid var(--primary-red); 
  padding: 1rem 5%; 
  position: sticky; 
  top: 0; 
  z-index: 1000; 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
}
.logo-img { height: 65px; }

/* Desktop Navigation */
.nav-links { list-style: none; display: flex; gap: 20px; }
.nav-links a { color: white; text-decoration: none; font-weight: 500; font-size: 0.9rem; transition: 0.3s; cursor: pointer; text-transform: uppercase; }
.nav-links a:hover { color: var(--primary-red); }

/* Hamburger Button (Hidden on Desktop) */
.menu-toggle { display: none; color: white; font-size: 1.8rem; cursor: pointer; }

/* UPDATED: Mobile Sidebar Nav - Sliding from Right & See-through */
.mobile-nav {
  display: flex !important; 
  flex-direction: column;
  position: fixed; 
  top: 0;
  right: -100%; /* Hidden off-screen to the right */
  width: 75%; 
  height: 100vh;
  background: rgba(10, 10, 10, 0.85); /* See-through black */
  backdrop-filter: blur(15px); /* Frosted glass effect */
  -webkit-backdrop-filter: blur(15px);
  border-left: 3px solid var(--primary-red);
  padding: 20px 30px;
  gap: 25px;
  z-index: 5000; 
  transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -10px 0 30px rgba(0,0,0,0.5);
}

/* When the JS adds the .open class, this moves it to the screen */
.mobile-nav.open {
  right: 0;
}

.mobile-nav a { 
  color: white; 
  text-decoration: none; 
  text-transform: uppercase; 
  font-family: 'Oswald', sans-serif; 
  font-size: 1.4rem; 
  border-bottom: 1px solid rgba(255, 76, 76, 0.1);
  padding-bottom: 10px;
  cursor: pointer;
}

.close-menu:hover { color: var(--primary-red); }

section { display: none; padding: 80px 10%; animation: fadeIn 0.6s ease-out; }
section.active { display: block; }
#home { padding: 0 !important; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.full-width-hero { position: relative; width: 100vw; height: 75vh; display: flex; align-items: center; justify-content: center; overflow: hidden; left: 50%; right: 50%; margin-left: -50vw; margin-right: -50vw; }
.hero-slides { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; }
.slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-size: cover; background-position: center; opacity: 0; transition: opacity 1.5s ease-in-out; }
.slide.active { opacity: 1; }
.full-width-hero::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: radial-gradient(circle, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.7) 100%); z-index: 2; }
.hero-box { position: relative; z-index: 5; text-align: center; padding: 0 15px; }
.glow-header-big { font-family: 'Black Ops One', cursive; color: var(--primary-red); text-shadow: 0 0 20px rgba(255, 76, 76, 0.6); font-size: clamp(2.2rem, 8vw, 5rem); }

.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; margin-top: 50px; }

/* UPDATED: Cards now have an animated metallic depth */
.industrial-card { 
  background: linear-gradient(145deg, #232323, #3a3a3a, #151515);
  background-size: 400% 400%;
  animation: metalReflect 10s ease infinite;
  backdrop-filter: blur(12px); 
  border: 1px solid rgba(255,255,255,0.15); 
  border-radius: 4px; padding: 30px; transition: 0.4s; text-align: center; position: relative; display: flex; flex-direction: column; 
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.industrial-card:hover { border-color: var(--primary-red); transform: translateY(-8px); background: rgba(60, 60, 60, 0.9); }
.industrial-card img { width: 100%; height: 220px; object-fit: contain; margin-bottom: 20px; background: #000; border-radius: 4px; border: 1px solid #333; }

.about-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; margin-top: 40px; }
.about-box { background: rgba(0,0,0,0.3); padding: 25px; border-left: 4px solid var(--primary-red); border-radius: 4px; }
.about-box h3 { font-family: 'Oswald'; text-transform: uppercase; color: var(--primary-red); margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.about-box p { font-size: 0.95rem; color: #ddd; }
.services-list { list-style: none; margin-top: 10px; text-align: left; }
.services-list li { margin-bottom: 10px; border-bottom: 1px solid rgba(255,76,76,0.1); padding-bottom: 5px; font-size: 0.9rem; color: #ddd; }

/* RESPONSIVE BREAKPOINTS */
@media (max-width: 992px) {
  .nav-links { display: none; } 
  .menu-toggle { display: block; } 
  header { padding: 15px 5%; }
  .logo-img { height: 50px; }
}

@media (max-width: 850px) {
  section { padding: 60px 5%; }
  .insight-card { flex-direction: column; }
  .insight-img { border-left: none; border-top: 3px solid var(--primary-red); width: 100%; height: 280px; }
  .feature-grid, .about-container { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .full-width-hero { height: 55vh; }
  .glow-header-big { font-size: 2.5rem; }
}

.product-slot { padding-top: 50px; }
.category-badge { position: absolute; top: 15px; right: 15px; background: var(--primary-red); font-size: 0.75rem; font-weight: bold; padding: 5px 12px; border-radius: 2px; text-transform: uppercase; }
.specs-list { list-style: none; font-size: 0.85rem; color: #ccc; margin: 20px 0; text-align: left; flex-grow: 1; }
.specs-list li::before { content: "» "; color: var(--primary-red); font-weight: bold; }

.workshop-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.workshop-item { position: relative; height: 320px; background: #111; overflow: hidden; border: 1px solid #444; cursor: pointer; border-radius: 4px; }
.workshop-item img, .workshop-item video { width: 100%; height: 100%; object-fit: cover; transition: 0.6s ease; }
.item-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(255, 76, 76, 0.25); display: flex; align-items: center; justify-content: center; opacity: 0; transition: 0.3s; z-index: 2; }
.workshop-item:hover .item-overlay { opacity: 1; }
.video-label { position: absolute; bottom: 15px; left: 15px; background: rgba(0,0,0,0.85); color: white; padding: 6px 12px; font-size: 0.75rem; border-left: 4px solid var(--primary-red); z-index: 3; font-weight: bold; }

.insight-card { display: flex; flex-wrap: wrap; text-align: left; padding: 0; overflow: hidden; margin-top: 40px; border: 1px solid #444; }
.insight-text { padding: 50px; flex: 1; min-width: 320px; }
.insight-img { flex: 1.2; max-height: 450px; min-width: 320px; object-fit: cover; border-left: 3px solid var(--primary-red); }

footer { background: #050505; padding: 70px 10% 40px; border-top: 2px solid #222; margin-top: 80px; }
.footer-content { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 40px; margin-bottom: 40px; }
.social-links { display: flex; gap: 18px; margin-top: 15px; }
.social-links a { width: 48px; height: 48px; background: #111; border: 1px solid #333; color: var(--primary-red); display: flex; align-items: center; justify-content: center; text-decoration: none; font-size: 1.3rem; transition: 0.3s; border-radius: 4px; }
.social-links a:hover { background: var(--primary-red); color: white; transform: translateY(-5px); }

.whatsapp-float { position: fixed; bottom: 35px; right: 35px; width: 65px; height: 65px; background-color: #25d366; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 20px rgba(0,0,0,0.5); z-index: 3000; transition: 0.3s; text-decoration: none; }
.wa-tooltip { position: absolute; right: 85px; background: white; color: black; padding: 8px 15px; border-radius: 5px; font-size: 0.85rem; font-weight: bold; white-space: nowrap; opacity: 0; transition: 0.3s; pointer-events: none; }
.whatsapp-float:hover .wa-tooltip { opacity: 1; }
.whatsapp-float i { color: white; font-size: 34px; }

.btn { display: inline-block; padding: 14px 35px; background: var(--primary-red); color: white; text-decoration: none; font-weight: bold; border: none; cursor: pointer; transition: 0.3s; font-family: 'Oswald'; border-radius: 2px; text-transform: uppercase; letter-spacing: 1px; }

.lightbox { display: none; position: fixed; z-index: 5000; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.96); align-items: center; justify-content: center; cursor: zoom-out; }
.lightbox-content { max-width: 92%; max-height: 88%; border: 3px solid var(--primary-red); }
