/* ============================================================
   CSS VARIABLES & RESET (PREMIUM B2B THEME)
   ============================================================ */
:root {
  --black:      #000000;
  --dark:       #111827;   
  --steel:      #374151;
  --slate:      #4b5563;   
  --muted:      #6b7280;
  
  --bg-main:    #ffffff; 
  --bg-section: #f8f9fa;
  --pure:       #ffffff;
  --border:     #e5e7eb;
  
  --accent:     #d97706;   
  --accent-hover:#b45309;
  --accent2:    #dc2626;   
  --success:    #16a34a;

  --font-head:  'Barlow Condensed', sans-serif;
  --font-body:  'Barlow', sans-serif;

  --radius:     6px; 
  --shadow:     0 12px 35px rgba(17, 24, 39, 0.05);
  --shadow-hover: 0 20px 40px rgba(17, 24, 39, 0.12);
  --transition: 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 18px; } 
body {
  font-family: var(--font-body);
  background: var(--bg-main);
  color: var(--dark);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; font-family: var(--font-body); background: transparent; }

/* ============================================================
   UTILITY
   ============================================================ */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; background: var(--bg-section); border-top: 1px solid var(--border); }
.section--white { background: var(--pure); border-top: 1px solid var(--border); }
.hidden { display: none !important; }

.tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
  color: var(--dark);
}
.section-sub {
  font-size: 20px;
  color: var(--slate);
  max-width: 640px;
  margin-bottom: 48px;
  font-weight: 400;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}
.btn:disabled { opacity: 0.7; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: var(--pure); }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(217,119,6,0.3); }
.btn-outline { border: 2px solid var(--accent); color: var(--accent); }
.btn-outline:hover:not(:disabled) { background: var(--accent); color: var(--pure); }
.btn-dark { background: var(--dark); color: var(--pure); }
.btn-dark:hover:not(:disabled) { background: var(--steel); }
.btn-ghost { background: transparent; border: 2px solid var(--border); color: var(--slate); }
.btn-ghost:hover:not(:disabled) { border-color: var(--dark); color: var(--dark); }
.btn-sm { padding: 10px 20px; font-size: 15px; }

/* ============================================================
   LOGO SIZE ADJUSTMENT
   ============================================================ */
.brand-logo-img { height: 80px; width: auto; object-fit: contain; display: block; max-width: 340px; }

/* ============================================================
   GPU-OPTIMIZED CARD HOVER
   ============================================================ */
.cat-card,
.product-card,
.testimonial-card,
.card {
  background: var(--pure);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  will-change: transform, box-shadow;
  transform: translateZ(0);          
  backface-visibility: hidden;        
  -webkit-backface-visibility: hidden;
  -webkit-font-smoothing: antialiased;
  transition: transform 0.28s cubic-bezier(0.25, 1, 0.5, 1),
              box-shadow 0.28s ease,
              border-color 0.28s ease;
}

.product-card { cursor: pointer; }

.cat-card:hover,
.product-card:hover,
.testimonial-card:hover {
  transform: translateY(-6px) translateZ(0);
  box-shadow: var(--shadow-hover);
  border-color: #cbd5e1;
}

.img-fluid {
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
  transition: transform 0.5s ease;
}
.cat-card:hover .img-fluid,
.product-card:hover .img-fluid {
  transform: scale(1.04) translateZ(0);
}

.cat-card-img,
.product-img-area,
.blog-img {
  background: var(--bg-section);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}
.cat-card-img { height: 260px; }
.product-img-area { height: 220px; margin: 24px; border-radius: 4px; border: 1px solid var(--border); }
.blog-img { height: 220px; }

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(32px) translateZ(0);
  transition: opacity 0.7s cubic-bezier(0.25, 1, 0.5, 1),
              transform 0.7s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: opacity, transform;
}
.reveal-fade {
  opacity: 0;
  transition: opacity 0.9s ease-out;
}
.reveal.active, .reveal-fade.active { opacity: 1; transform: translateY(0) translateZ(0); }
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ============================================================
   NAVIGATION
   ============================================================ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 9000;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s ease;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100px;
}
.nav-logos { flex-shrink: 0; cursor: pointer; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
  justify-content: center;
  height: 100%;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--slate);
  transition: color 0.2s ease;
  cursor: pointer;
  height: 100%;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active { color: var(--accent); }

.nav-dropdown { position: relative; display: flex; align-items: center; height: 100%; }
.nav-dropdown:hover .mega-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

.mega-menu {
  position: absolute;
  top: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--pure);
  border: 1px solid var(--border);
  border-radius: 0 0 var(--radius) var(--radius);
  width: 780px;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  box-shadow: var(--shadow);
  z-index: 100;
  cursor: default;
}
.mega-menu-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.mega-item { display: block; padding: 12px 16px; border-radius: var(--radius); transition: background 0.15s; cursor: pointer; text-decoration: none; }
.mega-item:hover { background: var(--bg-section); }
.mega-item-name { display: block; font-family: var(--font-head); font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 2px; transition: color 0.15s; }
.mega-item:hover .mega-item-name { color: var(--accent); }
.mega-item-type { display: block; font-size: 12px; font-weight: 600; color: var(--slate); text-transform: uppercase; letter-spacing: 0.5px; }

.nav-right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav-search {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-section); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 8px 14px; cursor: text;
}
.nav-search input {
  background: transparent; border: none; outline: none;
  font-family: var(--font-body); font-size: 14px; color: var(--dark); width: 120px;
}

.lang-toggle { display: flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.lang-btn {
  padding: 8px 12px; font-size: 13px; font-weight: 700; letter-spacing: 1px;
  color: var(--slate); font-family: var(--font-head); transition: var(--transition);
}
.lang-btn.active { background: var(--dark); color: var(--pure); }
.lang-btn:hover:not(.active) { background: var(--bg-section); color: var(--dark); }

.hamburger { display: none; flex-direction: column; gap: 5px; padding: 10px; }
.hamburger span { display: block; width: 26px; height: 2px; background: var(--dark); border-radius: 2px; }
.mobile-menu {
  display: none; position: fixed; top: 100px; left: 0; right: 0; bottom: 0;
  background: var(--pure); z-index: 8999; padding: 32px 24px; overflow-y: auto;
}
.mobile-menu.open { display: block; }
.mobile-nav-link {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-head); font-size: 24px; font-weight: 800;
  color: var(--dark); padding: 16px 0; border-bottom: 1px solid var(--border); cursor: pointer;
}
.mobile-sub {
  font-size: 17px; color: var(--slate); padding: 10px 0 10px 20px; display: block;
  cursor: pointer; border-bottom: 1px solid var(--bg-section);
}

/* ============================================================
   GLOBAL BACK BUTTON
   ============================================================ */
.global-back-btn { position: fixed; top: 108px; left: 20px; z-index: 8000; display: none; }
.global-back-btn.visible { display: block; }
.back-btn-inner {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,0.95); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 8px 16px; font-family: var(--font-head); font-size: 14px; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase; color: var(--slate); cursor: pointer;
  backdrop-filter: blur(4px); box-shadow: 0 2px 8px rgba(0,0,0,0.08); transition: var(--transition);
}
.back-btn-inner:hover { background: var(--pure); color: var(--dark); border-color: var(--dark); transform: translateX(-2px); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 85vh; background: var(--dark); display: flex; align-items: center;
  position: relative; overflow: hidden; padding-top: 110px;
}
.hero-content { position: relative; z-index: 2; max-width: 820px; }
.hero-eyebrow { display: flex; align-items: center; gap: 16px; margin-bottom: 32px; }
.hero-badge {
  background: var(--accent2); color: var(--pure); font-family: var(--font-head);
  font-size: 14px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  padding: 6px 14px; border-radius: 2px;
}
.hero-eyebrow-text { font-family: var(--font-head); font-size: 15px; font-weight: 700; letter-spacing: 2px; color: rgba(255, 255, 255, 0.75); text-transform: uppercase; } 
.hero-title { font-family: var(--font-head); font-size: clamp(48px, 8vw, 96px); font-weight: 800; line-height: 1; letter-spacing: -1.5px; color: #ffffff; margin-bottom: 32px; } 
.hero-title em { font-style: normal; color: var(--accent); } 
.hero-sub { font-size: 21px; color: rgba(255, 255, 255, 0.85); font-weight: 400; max-width: 680px; margin-bottom: 48px; line-height: 1.65; } 
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats { display: flex; justify-content: center; align-items: flex-start; gap: 3.5rem; flex-wrap: wrap; margin: 3rem 0; }
.hero-stat { text-align: center; }
.hero-stat-num { font-family: var(--font-head); font-size: 36px; font-weight: 800; color: var(--accent); line-height: 1; }
.hero-stat-label { font-size: 12px; font-weight: 700; color: var(--dark); letter-spacing: 1.5px; text-transform: uppercase; margin-top: 6px; }

@media (max-width: 768px) {
    .hero-stats { gap: 2.5rem; }
    .hero-stat { min-width: 120px; }
}

/* ============================================================
   HERO MOTION PANELS 
   ============================================================ */
.hero-panel-left, .hero-panel-right { position: absolute; top: 50%; transform: translateY(-50%); width: 240px; height: 300px; z-index: 1; }
.hero-panel-left  { left: 24px; }
.hero-panel-right { right: 24px; }

@media (max-width: 1200px) {
  .hero-panel-left  { width: 200px; height: 260px; left: 12px; }
  .hero-panel-right { width: 200px; height: 260px; right: 12px; }
}
@media (max-width: 900px) {
  .hero-panel-left, .hero-panel-right { display: none; }
}

.hero-panel-slot { position: relative; width: 100%; height: 100%; border-radius: 10px; overflow: hidden; }
.hpanel { position: absolute; inset: 0; border-radius: 10px; overflow: hidden; cursor: pointer; box-shadow: 0 8px 28px rgba(17,24,39,0.18); transition: box-shadow 0.3s ease, transform 0.3s ease; opacity: 0; pointer-events: none; }
.hpanel.active { opacity: 1; pointer-events: auto; }
.hpanel:hover { box-shadow: 0 14px 40px rgba(17,24,39,0.28); transform: translateY(-4px); }
.hpanel:hover .hpanel-img { transform: scale(1.05); }

.hpanel-img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.5s cubic-bezier(0.4, 0.0, 0.2, 1); transform: scale(1); }
.hpanel-overlay { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(to top, rgba(17,24,39,0.92) 0%, rgba(17,24,39,0.45) 60%, transparent 100%); padding: 18px 16px 16px; }
.hpanel-bar { position: absolute; top: 0; left: 0; width: 3px; height: 100%; background: var(--accent); }
.hpanel-title { font-family: var(--font-head); font-size: 16px; font-weight: 800; color: #ffffff; letter-spacing: 0.5px; line-height: 1.2; margin-bottom: 4px; }
.hpanel-desc { font-size: 12px; color: rgba(255,255,255,0.75); font-weight: 500; line-height: 1.4; }

@keyframes panelEnterLeft { from { opacity: 0; transform: translateX(-40px) scale(0.96); } to { opacity: 1; transform: translateX(0) scale(1); } }
@keyframes panelExitLeft { from { opacity: 1; transform: translateX(0) scale(1); } to { opacity: 0; transform: translateX(-20px) scale(0.96); } }
@keyframes panelEnterRight { from { opacity: 0; transform: translateX(40px) scale(0.96); } to { opacity: 1; transform: translateX(0) scale(1); } }
@keyframes panelExitRight { from { opacity: 1; transform: translateX(0) scale(1); } to { opacity: 0; transform: translateX(20px) scale(0.96); } }

.hpanel.entering-left  { animation: panelEnterLeft  600ms cubic-bezier(0.4, 0.0, 0.2, 1) forwards; }
.hpanel.exiting-left   { animation: panelExitLeft   500ms cubic-bezier(0.4, 0.0, 0.2, 1) forwards; }
.hpanel.entering-right { animation: panelEnterRight 600ms cubic-bezier(0.4, 0.0, 0.2, 1) forwards; }
.hpanel.exiting-right  { animation: panelExitRight  500ms cubic-bezier(0.4, 0.0, 0.2, 1) forwards; }

@media (prefers-reduced-motion: reduce) {
  .hpanel { transition: opacity 0.4s ease; }
  .hpanel.entering-left, .hpanel.exiting-left, .hpanel.entering-right, .hpanel.exiting-right { animation: none; }
  .hpanel.active { opacity: 1; }
  .hpanel { opacity: 0; }
}

/* ============================================================
   HORIZONTAL APPLICATION SLIDER
   ============================================================ */
.app-slider-section { background: var(--dark); padding: 10px 0 52px; border-top: none; border-bottom: 3px solid var(--accent); position: relative; }
.app-slider-label { font-family: var(--font-head); font-size: 13px; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; color: var(--accent); margin-bottom: 6px; }
.app-slider-heading { font-family: var(--font-head); font-size: clamp(20px, 3vw, 28px); font-weight: 800; color: #ffffff; margin-bottom: 28px; letter-spacing: -0.3px; }

.app-slider-outer { position: relative; padding: 0 52px; }

.app-slider-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 10; width: 44px; height: 44px;
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.22); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; cursor: pointer; transition: background 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
  color: rgba(255,255,255,0.75); font-size: 18px; line-height: 1; user-select: none; flex-shrink: 0;
}
.app-slider-arrow:hover { background: rgba(217,119,6,0.30); border-color: var(--accent); color: #ffffff; }
.app-slider-arrow.arrow-left  { left: 0; }
.app-slider-arrow.arrow-right { right: 0; }

@media (max-width: 640px) {
  .app-slider-arrow { display: none; }
  .app-slider-outer { padding: 0; }
}

.app-slider-track {
  display: flex; gap: 16px; overflow-x: auto; scroll-behavior: smooth; -webkit-overflow-scrolling: touch;
  scrollbar-width: none; cursor: grab; padding-bottom: 4px; user-select: none; -webkit-user-select: none;
}
.app-slider-track::-webkit-scrollbar { display: none; }
.app-slider-track.is-dragging { cursor: grabbing; scroll-behavior: auto; }

.app-slide-card {
  flex: 0 0 260px; width: 260px; border-radius: 10px; overflow: hidden; position: relative;
  background: var(--steel); cursor: pointer; box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  transition: transform 0.25s ease, box-shadow 0.25s ease; text-decoration: none; color: inherit; user-select: none;
}
.app-slide-card:hover { transform: scale(1.03); box-shadow: 0 10px 28px rgba(0,0,0,0.35); }
.app-slide-card:hover .app-slide-img { transform: scale(1.05); }

.app-slide-img-wrap { position: relative; width: 100%; padding-top: 56.25%; overflow: hidden; background: #1a2332; }
.app-slide-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; display: block; }

.app-slide-img-wrap::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 70%;
  background: linear-gradient(to top, rgba(17,24,39,0.95) 0%, rgba(17,24,39,0.5) 50%, transparent 100%); pointer-events: none;
}

.app-slide-text { position: absolute; bottom: 0; left: 0; right: 0; padding: 14px 16px 12px; z-index: 2; }
.app-slide-cat { font-family: var(--font-head); font-size: 16px; font-weight: 800; color: #ffffff; line-height: 1.2; margin-bottom: 4px; letter-spacing: 0.3px; }
.app-slide-type { font-family: var(--font-head); font-size: 12px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--accent); background: rgba(17,24,39,0.6); display: inline-block; padding: 2px 8px; border-radius: 2px; }
.app-slide-bar { position: absolute; top: 0; left: 0; width: 3px; height: 100%; background: var(--accent); z-index: 3; }

@media (max-width: 640px) {
  .app-slide-card { flex: 0 0 78vw; width: 78vw; }
}

/* ============================================================
   TRUST STRIP & CATEGORY CARDS
   ============================================================ */
.trust-strip { background: var(--pure); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 40px 0; }
.trust-inner { display: flex; gap: 48px; flex-wrap: wrap; justify-content: center; align-items: center; }
.trust-item { display: flex; align-items: center; gap: 10px; font-family: var(--font-head); font-size: 15px; font-weight: 700; color: var(--dark); letter-spacing: 0.5px; text-transform: uppercase; }
.trust-item span:first-child { font-size: 24px; }

.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cat-badge { position: absolute; bottom: 16px; left: 24px; z-index: 2; background: var(--dark); color: var(--pure); font-family: var(--font-head); font-size: 14px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; padding: 6px 12px; border-radius: 2px; }
.cat-body { padding: 28px 24px; }
.cat-name { font-family: var(--font-head); font-size: 26px; font-weight: 800; margin-bottom: 10px; color: var(--dark); }
.cat-desc { font-size: 15px; color: var(--slate); margin-bottom: 20px; line-height: 1.6; }
.cat-products { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.cat-product-tag { font-family: var(--font-head); font-size: 13px; background: var(--bg-section); border: 1px solid var(--border); padding: 5px 10px; border-radius: 2px; font-weight: 700; }

.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 24px; }
.product-cat-badge { font-family: var(--font-head); font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; padding: 5px 10px; border-radius: 2px; }
.badge-hardfacing { background: #fef3c7; color: #b45309; }
.badge-castiron { background: #f3f4f6; color: var(--steel); }
.badge-problem { background: #fee2e2; color: var(--accent2); }
.badge-aluminum { background: #ede9fe; color: #4c1d95; }
.badge-cutting-gouging { background: #fef3c7; color: #b45309; }
.badge-cutting-shearing { background: #d1fae5; color: #065f46; }
.badge-pressing-forging { background: #dbeafe; color: #1e3a5f; }
.badge-high-speed { background: #d1fae5; color: #065f46; }
.badge-valve-seat { background: #fef3c7; color: #78350f; }
.badge-silver-brazing { background: #f1f5f9; color: #0f172a; }

.product-card-header { padding: 28px 28px 0; }
.product-name { font-family: var(--font-head); font-size: 30px; font-weight: 800; color: var(--dark); margin: 14px 28px 0; }
.product-tagline { font-size: 15px; color: var(--slate); margin: 6px 28px 0; min-height: 44px; line-height: 1.5; }
.product-body { padding: 0 28px; flex: 1; }
.product-use-title { font-family: var(--font-head); font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 10px; color: var(--dark); }
.product-use-list { margin-bottom: 20px; }
.product-use-list li { font-size: 15px; color: var(--slate); padding: 4px 0 4px 18px; position: relative; line-height: 1.5; }
.product-use-list li::before { content: '▸'; position: absolute; left: 0; color: var(--accent); font-size: 11px; top: 6px; }
.product-benefits { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.benefit-pill { font-size: 12px; font-family: var(--font-head); font-weight: 700; background: var(--bg-section); color: var(--dark); padding: 5px 10px; border-radius: 20px; }
.benefit-pill.green { background: #dcfce7; color: #166534; }
.product-footer { padding: 20px 28px 28px; border-top: 1px solid var(--border); background: var(--bg-section); display: flex; gap: 10px; }
@media (max-width: 480px) { .product-footer { flex-direction: column; } }

.products-filter { display: flex; gap: 10px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-btn { font-family: var(--font-head); font-size: 15px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; padding: 10px 22px; border-radius: var(--radius); border: 2px solid var(--border); background: var(--pure); color: var(--slate); transition: var(--transition); }
.filter-btn:hover, .filter-btn.active { background: var(--dark); color: var(--pure); border-color: var(--dark); }

.product-detail-hero { background: var(--pure); border-bottom: 1px solid var(--border); padding: 140px 0 80px; }
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.product-detail-name { font-family: var(--font-head); font-size: clamp(48px, 6vw, 88px); font-weight: 800; color: var(--dark); letter-spacing: -1.5px; line-height: 1; margin-bottom: 20px; }
.product-detail-name span { color: var(--accent); }
.product-detail-desc { font-size: 19px; color: var(--slate); margin-bottom: 36px; line-height: 1.6; }
.spec-row { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 36px; }
.spec-item { background: var(--pure); border: 1px solid var(--border); padding: 18px 22px; border-radius: var(--radius); box-shadow: var(--shadow); }
.spec-label { font-family: var(--font-head); font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--slate); margin-bottom: 4px; }
.spec-val { font-family: var(--font-head); font-size: 22px; font-weight: 800; color: var(--dark); }

.product-media-wrapper { display: flex; flex-direction: column; gap: 12px; height: 100%; width: 100%; }
.media-main { background: var(--bg-section); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); height: 420px; position: relative; }
.media-main img { width: 100%; height: 100%; object-fit: cover; }
.media-main-vid { width: 100%; height: 100%; background: var(--dark); color: #fff; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.media-thumbs { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 4px; scrollbar-width: thin; }
.thumb { width: 80px; height: 60px; flex-shrink: 0; border: 2px solid transparent; border-radius: 4px; overflow: hidden; cursor: pointer; transition: border-color 0.2s; background: var(--bg-section); position: relative;}
.thumb.active { border-color: var(--accent); }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb.vid-thumb { display: flex; align-items: center; justify-content: center; background: var(--dark); color: #fff; font-size: 12px; font-weight: 700; }
.vid-placeholder-icon { font-size: 40px; margin-bottom: 12px; opacity: 0.8; }
.vid-placeholder-text { font-family: var(--font-head); font-size: 16px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }
.vid-placeholder-sub { font-size: 13px; color: var(--muted); margin-top: 4px; }

.product-detail-body { padding: 96px 0; background: var(--bg-section); }
.detail-section-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-bottom: 60px; }
.detail-h3 { font-family: var(--font-head); font-size: 26px; font-weight: 800; margin-bottom: 18px; display: flex; align-items: center; gap: 10px; color: var(--dark); }
.detail-h3.green { color: var(--success); }
.detail-h3.red { color: var(--accent2); }
.detail-list li { font-size: 16px; color: var(--slate); padding: 10px 0 10px 24px; position: relative; border-bottom: 1px solid var(--border); }
.detail-list li::before { content: '●'; position: absolute; left: 0; font-size: 10px; top: 15px; }
.detail-list.green li::before { color: var(--success); }
.detail-list.red li::before { color: var(--accent2); }

.tech-data-section { margin-bottom: 48px; }
.tech-data-title { font-family: var(--font-head); font-size: 20px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; color: var(--dark); margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid var(--accent); display: flex; align-items: center; gap: 10px; }
.tech-table { width: 100%; border-collapse: collapse; font-size: 15px; background: var(--pure); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.tech-table th { font-family: var(--font-head); font-size: 13px; font-weight: 800; letter-spacing: 1.5px; text-transform: uppercase; background: var(--dark); color: var(--pure); padding: 12px 16px; text-align: left; }
.tech-table td { padding: 11px 16px; color: var(--slate); border-bottom: 1px solid var(--border); vertical-align: top; }
.tech-table tr:last-child td { border-bottom: none; }
.tech-table tr:nth-child(even) td { background: var(--bg-section); }
.tech-table td:first-child { font-weight: 700; color: var(--dark); white-space: nowrap; width: 40%; }

.process-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-top: 16px; }
.process-step { background: var(--pure); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; position: relative; border-top: 3px solid var(--accent); }
.process-step-num { font-family: var(--font-head); font-size: 32px; font-weight: 800; color: var(--border); line-height: 1; margin-bottom: 6px; }
.process-step-title { font-family: var(--font-head); font-size: 16px; font-weight: 800; color: var(--dark); margin-bottom: 6px; }
.process-step-desc { font-size: 14px; color: var(--slate); line-height: 1.5; }

.warning-box { background: #fef2f2; border: 1px solid #fecaca; border-left: 6px solid var(--accent2); border-radius: var(--radius); padding: 24px 28px; margin-top: 28px; }
.warning-box-title { font-family: var(--font-head); font-size: 15px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; color: var(--accent2); margin-bottom: 8px; }
.warning-box p { font-size: 16px; font-weight: 500; color: #991b1b; margin: 0; }

.info-box { background: #eff6ff; border: 1px solid #bfdbfe; border-left: 6px solid #3b82f6; border-radius: var(--radius); padding: 20px 24px; margin-top: 16px; }
.info-box-title { font-family: var(--font-head); font-size: 14px; font-weight: 800; letter-spacing: 1px; color: #1d4ed8; margin-bottom: 6px; }
.info-box p { font-size: 15px; color: #1e40af; margin: 0; }

.cat-hero { padding: 140px 0 72px; background: var(--pure); border-bottom: 1px solid var(--border); }
.cat-hero-label { font-family: var(--font-head); font-size: 13px; font-weight: 800; letter-spacing: 3px; text-transform: uppercase; color: var(--slate); margin-bottom: 14px; }

.testimonial-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.testimonial-card { padding: 36px; }
.t-quote { font-size: 17px; color: var(--slate); line-height: 1.8; margin-bottom: 28px; font-style: italic; }
.t-quote::before { content: '"'; font-size: 52px; font-weight: 800; color: var(--accent); line-height: 0; vertical-align: -18px; margin-right: 6px; }
.t-author { font-family: var(--font-head); font-size: 19px; font-weight: 800; color: var(--dark); }
.t-role { font-size: 13px; font-weight: 600; color: var(--muted); text-transform: uppercase; margin-top: 4px; letter-spacing: 0.8px; }

.form-page-hero { background: var(--pure); border-bottom: 1px solid var(--border); padding: 120px 0 60px; }
.form-container { max-width: 860px; margin: 0 auto; padding: 0 24px; }
.form-card { background: var(--pure); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 4px 24px rgba(17,24,39,0.06); overflow: hidden; }
.form-card-header { background: var(--dark); padding: 32px 40px; display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; }
.form-card-header-title { font-family: var(--font-head); font-size: 28px; font-weight: 800; color: var(--pure); line-height: 1.1; margin-bottom: 6px; }
.form-card-header-sub { font-size: 15px; color: rgba(255,255,255,0.65); font-weight: 400; max-width: 520px; }
.form-card-header-badge { background: var(--accent); color: var(--pure); font-family: var(--font-head); font-size: 12px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; padding: 6px 12px; border-radius: 2px; white-space: nowrap; flex-shrink: 0; margin-top: 4px; }
.form-card-body { padding: 40px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.form-group { margin-bottom: 20px; }
.form-group:last-child { margin-bottom: 0; }
.form-label { display: flex; align-items: center; gap: 6px; font-family: var(--font-head); font-size: 13px; font-weight: 800; letter-spacing: 1.5px; text-transform: uppercase; color: var(--dark); margin-bottom: 8px; }
.form-label .required-star { color: var(--accent2); }
.form-label .optional-tag { font-size: 11px; color: var(--muted); font-weight: 600; letter-spacing: 1px; margin-left: 4px; }
.form-control { width: 100%; padding: 14px 18px; border: 2px solid var(--border); border-radius: var(--radius); font-family: var(--font-body); font-size: 16px; color: var(--dark); background: var(--pure); transition: border-color 0.2s ease, box-shadow 0.2s ease; outline: none; -webkit-appearance: none; }
.form-control:focus { border-color: var(--dark); box-shadow: 0 0 0 3px rgba(17,24,39,0.08); }
textarea.form-control { min-height: 120px; resize: vertical; line-height: 1.6; }
select.form-control { cursor: pointer; }
.form-hint { font-size: 13px; color: var(--muted); margin-top: 6px; }

.file-upload-wrap { position: relative; border: 2px dashed var(--border); border-radius: var(--radius); padding: 28px 20px; text-align: center; cursor: pointer; transition: border-color 0.2s ease, background 0.2s ease; background: var(--bg-section); }
.file-upload-wrap:hover { border-color: var(--dark); background: var(--pure); }
.file-upload-wrap input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%; }
.file-upload-icon { font-size: 28px; margin-bottom: 8px; }
.file-upload-label { font-family: var(--font-head); font-size: 15px; font-weight: 700; color: var(--dark); }
.file-upload-sub { font-size: 13px; color: var(--muted); margin-top: 4px; }
.file-names { font-size: 13px; color: var(--success); font-weight: 600; margin-top: 10px; }

.form-divider { border: none; border-top: 1px solid var(--border); margin: 28px 0; }
.form-submit-wrap { background: var(--bg-section); border-top: 1px solid var(--border); padding: 28px 40px; }
.form-submit-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.form-submit-note { font-size: 14px; color: var(--muted); max-width: 360px; line-height: 1.5; }
.form-submit-note strong { color: var(--dark); }

.form-status { display: none; margin-top: 20px; border-radius: var(--radius); padding: 18px 24px; font-size: 15px; font-weight: 600; text-align: center; }
.form-status.success { display: block; background: #dcfce7; border: 1px solid #86efac; color: #166534; }
.form-status.error { display: block; background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.contact-form-wrap { background: var(--pure); border: 1px solid var(--border); border-radius: var(--radius); padding: 48px; box-shadow: var(--shadow); }
.contact-info-block { margin-bottom: 40px; }
.contact-info-title { font-family: var(--font-head); font-size: 22px; font-weight: 800; margin-bottom: 18px; color: var(--dark); }
.contact-info-item { display: flex; gap: 14px; margin-bottom: 14px; font-size: 16px; color: var(--slate); align-items: flex-start; }

#search-overlay { display: none; position: fixed; inset: 0; background: rgba(17,24,39,0.85); backdrop-filter: blur(4px); z-index: 99999; align-items: center; justify-content: center; }
#search-overlay.open { display: flex; }
.search-box { background: var(--pure); border-radius: var(--radius); padding: 40px; width: 100%; max-width: 640px; margin: 0 24px; box-shadow: 0 24px 60px rgba(0,0,0,0.2); }
.search-input-wrap { display: flex; gap: 12px; margin-bottom: 28px; }
.search-input-wrap input { flex: 1; background: var(--bg-section); border: 2px solid var(--border); border-radius: var(--radius); padding: 14px 20px; font-size: 18px; outline: none; font-family: var(--font-body); }
.search-input-wrap input:focus { border-color: var(--dark); }
.search-results { max-height: 380px; overflow-y: auto; }
.search-result-item { padding: 14px 0; border-bottom: 1px solid var(--border); cursor: pointer; transition: padding-left 0.15s ease; }
.search-result-item:hover { padding-left: 10px; }
.search-result-name { font-family: var(--font-head); font-size: 19px; font-weight: 800; color: var(--dark); }
.search-result-cat { font-size: 14px; color: var(--slate); margin-top: 2px; }

footer { background: var(--pure); padding: 80px 0 40px; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 56px; margin-bottom: 60px; }
.footer-brand-desc { font-size: 15px; color: var(--slate); line-height: 1.7; margin-top: 20px; margin-bottom: 28px; max-width: 380px; }
.footer-heading { font-family: var(--font-head); font-size: 14px; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; color: var(--dark); margin-bottom: 20px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a, .footer-links span { font-size: 15px; font-weight: 500; color: var(--slate); transition: color 0.2s; cursor: pointer; }
.footer-links a:hover, .footer-links span:hover { color: var(--accent); font-weight: 700; }
.footer-contact-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 14px; color: var(--slate); line-height: 1.5; }
.footer-contact-item .fc-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.footer-contact-item a { color: var(--slate); transition: color 0.2s; }
.footer-contact-item a:hover { color: var(--accent); }
.canada-badge { display: inline-flex; align-items: center; gap: 8px; background: #fef2f2; border: 1px solid #fecaca; border-radius: 4px; padding: 6px 12px; font-family: var(--font-head); font-size: 13px; font-weight: 700; letter-spacing: 1px; color: #991b1b; margin-top: 20px; }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 28px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-legal { font-size: 13px; font-weight: 600; color: var(--dark); }
.footer-disclaimer { font-size: 12px; color: var(--muted); max-width: 480px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-stats { position: relative; margin-top: 40px; flex-wrap: wrap; }
  .hero-stat { flex: 1 1 30%; border: 1px solid var(--border); }
  .cat-grid { grid-template-columns: 1fr; }
  .detail-section-grid, .product-detail-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .nav-links { gap: 16px; }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .nav-links, .nav-search, .lang-toggle { display: none; }
  .hamburger { display: flex; }
  .products-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .form-card-header { flex-direction: column; gap: 12px; }
  .form-card-body, .form-submit-wrap { padding: 24px; }
  .form-submit-inner { flex-direction: column; align-items: flex-start; }
  .global-back-btn { top: 104px; left: 12px; }
  .back-btn-inner { font-size: 12px; padding: 6px 12px; }
}

/* ============================================================
   LIGHTBOX SYSTEM (Optimized)
   ============================================================ */
body.no-scroll { 
  overflow: hidden; 
}

.lightbox-overlay {
  position: fixed; 
  inset: 0; 
  z-index: 999999;
  background: rgba(17, 24, 39, 0.95); 
  backdrop-filter: blur(4px);
  display: flex; 
  align-items: center; 
  justify-content: center;
  opacity: 0; 
  visibility: hidden; 
  transition: opacity 0.3s ease, visibility 0.3s;
}

.lightbox-overlay.open { 
  opacity: 1; 
  visibility: visible; 
}

.lightbox-container {
  position: relative; 
  max-width: 95vw; 
  max-height: 95vh;
  transform: scale(0.95); 
  transition: transform 0.3s ease;
}

.lightbox-overlay.open .lightbox-container { 
  transform: scale(1); 
}

.lightbox-img {
  max-width: 100%; 
  max-height: 95vh; 
  display: block;
  border-radius: var(--radius, 6px); /* Uses variable, falls back to 6px */
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
  object-fit: contain;
}

.lightbox-close {
  position: absolute; 
  top: -40px; 
  right: 0;
  background: transparent; 
  color: #ffffff; 
  font-size: 36px;
  line-height: 1; 
  cursor: pointer; 
  border: none; 
  padding: 4px;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
  .lightbox-close {
    top: -36px;
  }
}

/* ============================================================
   CANADA MAP FOOTER LOGO
   ============================================================ */
.footer-canada-map-link {
  display: block;
  max-width: 520px;
  margin: 20px 0;
  text-decoration: none;
  outline: none;
  cursor: pointer;
}

.footer-canada-map-link:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 6px;
}

.footer-canada-map-img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.32s ease-in-out, filter 0.32s ease-in-out;
  will-change: transform, filter;
  cursor: pointer;
}

@keyframes mapFloat {
  0%, 100% { transform: scale(1.05) translateY(-2px); }
  50%       { transform: scale(1.05) translateY(-5px); }
}

.footer-canada-map-link:hover .footer-canada-map-img {
  animation: mapFloat 2.8s ease-in-out infinite;
  filter: brightness(1.08);
}

@media (prefers-reduced-motion: reduce) {
  .footer-canada-map-link:hover .footer-canada-map-img {
    animation: none;
    transform: scale(1.03);
  }
}

@media (max-width: 768px) {
  .footer-canada-map-link { max-width: 100%; }
}