/**
 * LAHORI CNC LASER CUTTING - INDUSTRIAL STYLING
 * Engineering Precision. Creating Excellence.
 * Colors: Industrial Black (#111315), Safety Yellow (#F5B800), Steel Grey (#626B73), Dark Graphite (#24292D)
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@500;600;700;800;900&display=swap');

:root {
  --color-black: #111315;
  --color-black-pure: #0B0D0E;
  --color-graphite-dark: #1B1F23;
  --color-graphite: #24292D;
  --color-graphite-light: #2F363C;
  --color-border-dark: #383F46;
  
  --color-yellow: #F5B800;
  --color-yellow-hover: #DDA400;
  --color-yellow-light: #FFF2C7;
  --color-yellow-glow: rgba(245, 184, 0, 0.25);
  
  --color-steel: #626B73;
  --color-steel-light: #8E98A0;
  --color-steel-muted: #B4BCC2;
  
  --color-bg-light: #F3F5F6;
  --color-bg-white: #FFFFFF;
  --color-card-border: #E3E7EB;
  
  --color-whatsapp: #25D366;
  --color-whatsapp-hover: #1EBE5D;
  
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --container-max: 1240px;
  --header-height: 80px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-yellow: 0 6px 20px rgba(245, 184, 0, 0.35);
}

/* Base & Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: #2D3339;
  background-color: var(--color-bg-white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, picture, svg, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-black);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 4vw + 1rem, 3.25rem); }
h2 { font-size: clamp(1.75rem, 3vw + 0.5rem, 2.35rem); }
h3 { font-size: clamp(1.25rem, 2vw + 0.2rem, 1.5rem); }
h4 { font-size: 1.15rem; }

p {
  margin-bottom: 1rem;
  color: #495057;
}

p:last-child {
  margin-bottom: 0;
}

.text-yellow { color: var(--color-yellow) !important; }
.text-white { color: #FFFFFF !important; }
.text-steel { color: var(--color-steel-light) !important; }

/* Layout Helpers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.section {
  padding: 85px 0;
}

.section-dark {
  background-color: var(--color-black);
  color: #FFFFFF;
}

.section-graphite {
  background-color: var(--color-graphite-dark);
  color: #FFFFFF;
}

.section-light {
  background-color: var(--color-bg-light);
}

/* Section Headers */
.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 50px auto;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-yellow);
  background: rgba(245, 184, 0, 0.12);
  border: 1px solid rgba(245, 184, 0, 0.3);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 15px;
}

.section-header h2 {
  margin-bottom: 15px;
}

.section-dark .section-header h2,
.section-graphite .section-header h2 {
  color: #FFFFFF;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--color-steel);
}

.section-dark .section-header p,
.section-graphite .section-header p {
  color: var(--color-steel-muted);
}

/* Buttons & CTAs */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-yellow);
  color: var(--color-black);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-yellow-hover);
  border-color: var(--color-yellow-hover);
  color: var(--color-black);
  transform: translateY(-2px);
  box-shadow: var(--shadow-yellow);
}

.btn-secondary {
  background-color: transparent;
  border-color: #FFFFFF;
  color: #FFFFFF;
}

.btn-secondary:hover {
  background-color: #FFFFFF;
  color: var(--color-black);
  transform: translateY(-2px);
}

.btn-dark {
  background-color: var(--color-black);
  color: #FFFFFF;
}

.btn-dark:hover {
  background-color: var(--color-graphite-dark);
  border-color: var(--color-yellow);
  color: var(--color-yellow);
  transform: translateY(-2px);
}

.btn-outline-yellow {
  background-color: transparent;
  border-color: var(--color-yellow);
  color: var(--color-yellow);
}

.btn-outline-yellow:hover {
  background-color: var(--color-yellow);
  color: var(--color-black);
  transform: translateY(-2px);
}

.btn-whatsapp-cta {
  background-color: var(--color-whatsapp);
  border-color: var(--color-whatsapp);
  color: #FFFFFF;
}

.btn-whatsapp-cta:hover {
  background-color: var(--color-whatsapp-hover);
  border-color: var(--color-whatsapp-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37, 211, 102, 0.4);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.82rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1rem;
}

/* ==========================================================================
   TOP BAR (Pre-header Contact Info)
   ========================================================================== */
.site-topbar {
  background-color: var(--color-black-pure);
  color: #A0AAB2;
  font-size: 0.82rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 7px 0;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #B4BCC2;
}

.topbar-item svg {
  color: var(--color-yellow);
  flex-shrink: 0;
}

.topbar-item a:hover {
  color: var(--color-yellow);
}

.topbar-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 184, 0, 0.15);
  color: var(--color-yellow);
  padding: 2px 8px;
  border-radius: 3px;
  font-weight: 600;
  font-size: 0.75rem;
}

/* ==========================================================================
   STICKY HEADER & NAVIGATION (CRITICAL REQUIREMENT)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-black);
  z-index: 1000;
  border-bottom: 1px solid var(--color-graphite);
  transition: var(--transition);
}

.site-header.is-scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  background-color: rgba(17, 19, 21, 0.96);
  backdrop-filter: blur(10px);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 24px;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo svg {
  height: 48px;
  width: auto;
  display: block;
}

/* Desktop Navigation - Strictly Horizontal, Centered, Non-overlapping */
.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 4px;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: #DDE2E5;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  letter-spacing: 0.2px;
  position: relative;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--color-yellow);
  background-color: rgba(255, 255, 255, 0.04);
}

/* Active indicator */
.nav-link.active {
  color: var(--color-yellow);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0px;
  left: 14px;
  right: 14px;
  height: 3px;
  background-color: var(--color-yellow);
  border-radius: 2px 2px 0 0;
}

/* Header Right CTA */
.header-action {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.header-cta-btn {
  padding: 10px 20px;
  font-size: 0.85rem;
}

/* Hamburger Toggle (Mobile/Tablet) */
.hamburger-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--color-graphite);
  color: #FFFFFF;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.hamburger-btn:hover {
  border-color: var(--color-yellow);
  color: var(--color-yellow);
}

/* Mobile Navigation Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background-color: var(--color-black-pure);
  border-left: 2px solid var(--color-yellow);
  z-index: 1100;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}

.mobile-nav-drawer.is-open {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  border-bottom: 1px solid var(--color-graphite);
}

.mobile-close-btn {
  background: transparent;
  border: none;
  color: #FFFFFF;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
}

.mobile-close-btn:hover {
  color: var(--color-yellow);
}

.mobile-menu-list {
  list-style: none;
  padding: 15px 0;
  margin: 0;
}

.mobile-nav-link {
  display: block;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: #E2E8F0;
  padding: 14px 24px;
  border-left: 4px solid transparent;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--color-yellow);
  background-color: rgba(245, 184, 0, 0.08);
  border-left-color: var(--color-yellow);
}

.mobile-drawer-footer {
  margin-top: auto;
  padding: 24px 20px;
  border-top: 1px solid var(--color-graphite);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 1050;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-backdrop.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================================================
   HERO SECTIONS
   ========================================================================== */
.hero-home {
  position: relative;
  background-color: var(--color-black);
  min-height: 580px;
  display: flex;
  align-items: center;
  color: #FFFFFF;
  padding: 90px 0;
  overflow: hidden;
}

.hero-bg-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.4) contrast(1.1);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(17, 19, 21, 0.95) 0%, rgba(17, 19, 21, 0.75) 50%, rgba(27, 31, 35, 0.85) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 184, 0, 0.15);
  border: 1px solid rgba(245, 184, 0, 0.4);
  color: var(--color-yellow);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 22px;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw + 0.5rem, 3.75rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  color: #FFFFFF;
  letter-spacing: -0.02em;
}

.hero-title span {
  color: var(--color-yellow);
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: #CBD5E1;
  margin-bottom: 35px;
  line-height: 1.6;
  max-width: 720px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

/* Page Banner (Inner Pages) */
.page-banner {
  background: linear-gradient(135deg, var(--color-black-pure) 0%, var(--color-graphite-dark) 100%);
  padding: 55px 0 50px 0;
  border-bottom: 3px solid var(--color-yellow);
  color: #FFFFFF;
}

.banner-content {
  max-width: 800px;
}

.banner-title {
  color: #FFFFFF;
  margin-bottom: 12px;
}

.banner-desc {
  font-size: 1.1rem;
  color: #A0AAB2;
  margin-bottom: 20px;
}

/* Breadcrumbs */
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: #8E98A0;
}

.breadcrumb-nav a {
  color: #CBD5E1;
}

.breadcrumb-nav a:hover {
  color: var(--color-yellow);
}

.breadcrumb-sep {
  color: var(--color-yellow);
}

/* ==========================================================================
   STAT / QUICK HIGHLIGHT BAR
   ========================================================================== */
.highlights-bar {
  background-color: var(--color-graphite-dark);
  border-bottom: 1px solid var(--color-graphite);
  padding: 30px 0;
  color: #FFFFFF;
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 25px;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.highlight-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(245, 184, 0, 0.12);
  border: 1px solid rgba(245, 184, 0, 0.3);
  color: var(--color-yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.highlight-text h4 {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.highlight-text p {
  color: #94A3B8;
  font-size: 0.88rem;
  line-height: 1.4;
}

/* ==========================================================================
   CARDS & GRIDS (Services, Projects, Process, Industries)
   ========================================================================== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 30px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 40px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

/* Service Card */
.service-card {
  background-color: var(--color-bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-card-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-yellow);
  box-shadow: var(--shadow-lg);
}

.service-card-img-wrap {
  position: relative;
  height: 220px;
  overflow: hidden;
  background-color: var(--color-graphite-dark);
}

.service-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-card-img-wrap img {
  transform: scale(1.06);
}

.service-card-badge {
  position: absolute;
  top: 15px;
  left: 15px;
  background-color: var(--color-black);
  color: var(--color-yellow);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(245, 184, 0, 0.4);
}

.service-card-body {
  padding: 25px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.service-card-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.service-card-title a:hover {
  color: var(--color-yellow-hover);
}

.service-card-desc {
  font-size: 0.92rem;
  color: #555E68;
  margin-bottom: 20px;
  flex: 1;
}

.service-card-footer {
  border-top: 1px solid #ECEFF2;
  padding-top: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.service-card-link {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-black);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.service-card-link:hover {
  color: var(--color-yellow-hover);
}

/* Feature Boxes / Why Choose Us */
.feature-box {
  background-color: var(--color-graphite-dark);
  border: 1px solid var(--color-graphite);
  padding: 30px;
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background-color: var(--color-yellow);
  transition: height 0.3s ease;
}

.feature-box:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 184, 0, 0.4);
}

.feature-box:hover::before {
  height: 100%;
}

.feature-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(245, 184, 0, 0.12);
  color: var(--color-yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-box h4 {
  color: #FFFFFF;
  margin-bottom: 10px;
  font-size: 1.15rem;
}

.feature-box p {
  color: #A0AAB2;
  font-size: 0.92rem;
}

/* Step / Process Cards */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  position: relative;
}

.process-card {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-card-border);
  padding: 28px 22px;
  border-radius: var(--radius-md);
  position: relative;
  transition: var(--transition);
}

.process-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-yellow);
  box-shadow: var(--shadow-md);
}

.process-step-num {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--color-yellow);
  line-height: 1;
  margin-bottom: 14px;
  opacity: 0.9;
}

.process-card h4 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.process-card p {
  font-size: 0.88rem;
  color: #555E68;
}

/* Project Gallery Grid */
.gallery-filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-btn {
  background: var(--color-bg-white);
  border: 1px solid var(--color-card-border);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: #495057;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover {
  border-color: var(--color-black);
  color: var(--color-black);
}

.filter-btn.active {
  background-color: var(--color-black);
  border-color: var(--color-black);
  color: var(--color-yellow);
}

.project-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-black);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  aspect-ratio: 4/3;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(17, 19, 21, 0.92) 0%, rgba(17, 19, 21, 0.3) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0.92;
  transition: opacity 0.3s ease;
}

.project-item:hover .project-img {
  transform: scale(1.08);
}

.project-category-tag {
  align-self: flex-start;
  background-color: var(--color-yellow);
  color: var(--color-black);
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 3px 8px;
  border-radius: 3px;
  margin-bottom: 8px;
}

.project-item-title {
  color: #FFFFFF;
  font-size: 1.15rem;
  margin-bottom: 4px;
}

.project-item-meta {
  color: #B4BCC2;
  font-size: 0.82rem;
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(11, 13, 14, 0.96);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 30px;
}

.lightbox-modal.is-active {
  display: flex;
}

.lightbox-container {
  max-width: 900px;
  width: 100%;
  background-color: var(--color-graphite-dark);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.8);
}

.lightbox-img-wrapper {
  max-height: 60vh;
  background-color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img-wrapper img {
  max-height: 60vh;
  width: auto;
  object-fit: contain;
}

.lightbox-details {
  padding: 24px;
  color: #FFFFFF;
}

.lightbox-details h3 {
  color: #FFFFFF;
  margin-bottom: 8px;
}

.lightbox-details p {
  color: #CBD5E1;
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.lightbox-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: #94A3B8;
  border-top: 1px solid var(--color-graphite);
  padding-top: 12px;
}

.lightbox-close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(0, 0, 0, 0.6);
  color: #FFFFFF;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.lightbox-close:hover {
  background: var(--color-yellow);
  color: var(--color-black);
}

.lightbox-nav-btn {
  position: absolute;
  top: 40%;
  background: rgba(0, 0, 0, 0.5);
  border: none;
  color: #FFFFFF;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: var(--transition);
}

.lightbox-nav-btn:hover {
  background: var(--color-yellow);
  color: var(--color-black);
}

.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }

/* ==========================================================================
   FORMS & QUOTE GENERATOR
   ========================================================================== */
.form-card {
  background-color: var(--color-bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-card-border);
  padding: 35px;
  box-shadow: var(--shadow-sm);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: 6px;
}

.form-group label .required {
  color: #E63946;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #CED4DA;
  border-radius: var(--radius-sm);
  background-color: #FFFFFF;
  color: #212529;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-yellow);
  box-shadow: 0 0 0 3px rgba(245, 184, 0, 0.25);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-help {
  font-size: 0.8rem;
  color: var(--color-steel);
  margin-top: 5px;
}

/* File Attachment Advice Box (No Fake Upload) */
.attachment-guidance-box {
  background: #F8FAFC;
  border: 1px dashed #94A3B8;
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 25px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.attachment-icon {
  color: var(--color-yellow);
  font-size: 1.8rem;
  flex-shrink: 0;
}

.attachment-text h5 {
  font-size: 0.98rem;
  margin-bottom: 4px;
  color: var(--color-black);
}

.attachment-text p {
  font-size: 0.85rem;
  color: #4A5568;
}

/* Quote Result Modal */
.quote-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 2500;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.quote-modal.is-active {
  display: flex;
}

.quote-modal-box {
  max-width: 620px;
  width: 100%;
  background: #FFFFFF;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border-top: 5px solid var(--color-yellow);
}

.quote-modal-header {
  padding: 20px 24px;
  background-color: var(--color-black);
  color: #FFFFFF;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.quote-modal-header h4 {
  color: #FFFFFF;
}

.quote-modal-body {
  padding: 24px;
}

.quote-preview-box {
  background: #F1F5F9;
  border: 1px solid #CBD5E1;
  border-radius: var(--radius-sm);
  padding: 16px;
  font-family: monospace;
  font-size: 0.85rem;
  white-space: pre-wrap;
  margin: 15px 0 20px 0;
  max-height: 240px;
  overflow-y: auto;
}

.quote-modal-footer {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* ==========================================================================
   CONTACT PAGE & MAP
   ========================================================================== */
.contact-info-card {
  background-color: var(--color-graphite-dark);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-graphite);
  padding: 35px;
  color: #FFFFFF;
  height: 100%;
}

.contact-info-card h3 {
  color: #FFFFFF;
  margin-bottom: 24px;
}

.contact-item-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(245, 184, 0, 0.12);
  color: var(--color-yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-content h5 {
  font-size: 0.95rem;
  color: #FFFFFF;
  margin-bottom: 4px;
}

.contact-item-content p {
  color: #CBD5E1;
  font-size: 0.9rem;
  line-height: 1.4;
}

.map-wrapper {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
  position: relative;
  min-height: 380px;
}

.map-wrapper iframe {
  width: 100%;
  height: 100%;
  min-height: 380px;
  border: 0;
  display: block;
}

/* ==========================================================================
   FLOATING WHATSAPP BUTTON — LEFT SIDE ONLY (STRICT REQUIREMENT)
   ========================================================================== */
.floating-whatsapp-btn {
  position: fixed;
  bottom: 24px;
  left: 20px; /* MUST BE ON LEFT SIDE */
  z-index: 999;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--color-whatsapp);
  color: #FFFFFF;
  padding: 12px 18px 12px 14px;
  border-radius: 50px;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.45), 0 2px 6px rgba(0, 0, 0, 0.2);
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.floating-whatsapp-btn svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  fill: #FFFFFF;
}

.floating-whatsapp-btn:hover {
  background-color: var(--color-whatsapp-hover);
  color: #FFFFFF;
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.6);
}

.floating-whatsapp-label {
  display: inline-block;
  line-height: 1;
}

/* ==========================================================================
   FOOTER (Industrial Black with Safety Yellow Accents)
   ========================================================================== */
.site-footer {
  background-color: var(--color-black-pure);
  color: #94A3B8;
  border-top: 3px solid var(--color-yellow);
  padding: 70px 0 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1.5fr;
  gap: 40px;
  padding-bottom: 50px;
}

.footer-col h4 {
  font-size: 1.05rem;
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background-color: var(--color-yellow);
}

.footer-brand p {
  color: #8E98A0;
  font-size: 0.9rem;
  margin: 16px 0 20px 0;
  line-height: 1.6;
}

.footer-links-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links-list li {
  margin-bottom: 10px;
}

.footer-links-list a {
  color: #CBD5E1;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links-list a::before {
  content: '▸';
  color: var(--color-yellow);
  font-size: 0.8rem;
}

.footer-links-list a:hover {
  color: var(--color-yellow);
  transform: translateX(4px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.88rem;
  color: #CBD5E1;
}

.footer-contact-item svg {
  color: var(--color-yellow);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-social-links {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.social-icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background-color: var(--color-graphite);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-dark);
  transition: var(--transition);
}

.social-icon-btn:hover {
  background-color: var(--color-yellow);
  border-color: var(--color-yellow);
  color: var(--color-black);
  transform: translateY(-2px);
}

.footer-bottom-strip {
  background-color: var(--color-black);
  border-top: 1px solid var(--color-graphite);
  padding: 20px 0;
  font-size: 0.82rem;
  color: #717D88;
}

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
}

/* ==========================================================================
   CALL TO ACTION BANNER (BOTTOM OF PAGES)
   ========================================================================== */
.cta-banner {
  background: linear-gradient(135deg, var(--color-black) 0%, var(--color-graphite-dark) 100%);
  border-top: 2px solid var(--color-graphite);
  border-bottom: 2px solid var(--color-yellow);
  padding: 70px 0;
  color: #FFFFFF;
  text-align: center;
}

.cta-banner-content {
  max-width: 820px;
  margin: 0 auto;
}

.cta-banner h2 {
  color: #FFFFFF;
  margin-bottom: 16px;
}

.cta-banner p {
  color: #CBD5E1;
  font-size: 1.1rem;
  margin-bottom: 30px;
}

.cta-banner-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

/* ==========================================================================
   TABLES & DETAILED SECTIONS (Services & Materials)
   ========================================================================== */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-card-border);
}

.industrial-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: left;
}

.industrial-table th {
  background-color: var(--color-black);
  color: var(--color-yellow);
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 14px 18px;
  border-bottom: 2px solid var(--color-graphite);
}

.industrial-table td {
  padding: 14px 18px;
  border-bottom: 1px solid #E2E8F0;
  color: #334155;
}

.industrial-table tr:nth-child(even) td {
  background-color: #F8FAFC;
}

/* Service Detail Block */
.service-detail-block {
  padding: 50px 0;
  border-bottom: 1px solid var(--color-card-border);
}

.service-detail-block:last-child {
  border-bottom: none;
}

.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 45px;
  align-items: center;
}

.service-detail-grid.reversed {
  direction: rtl;
}

.service-detail-grid.reversed > * {
  direction: ltr;
}

.service-detail-media {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-md);
  height: 380px;
}

.service-detail-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-detail-info h3 {
  font-size: 1.75rem;
  margin-bottom: 14px;
}

.service-detail-info p {
  color: #495057;
  margin-bottom: 18px;
}

.feature-pill-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px 0;
}

.feature-pill-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.92rem;
  color: #334155;
}

.feature-pill-list li svg {
  color: var(--color-yellow);
  flex-shrink: 0;
  margin-top: 3px;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1100px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 35px;
  }
}

@media (max-width: 992px) {
  /* Tablet layout - Collapse header before links get crowded */
  .desktop-nav {
    display: none; /* Hide desktop nav */
  }
  
  .header-action .header-cta-btn {
    display: none; /* Put CTA inside mobile drawer */
  }
  
  .hamburger-btn {
    display: flex;
  }
  
  .service-detail-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .service-detail-grid.reversed {
    direction: ltr;
  }
  
  .service-detail-media {
    height: 300px;
  }
}

@media (max-width: 768px) {
  .site-topbar {
    display: none; /* Conserve vertical space on mobile */
  }
  
  .section {
    padding: 60px 0;
  }
  
  .hero-home {
    min-height: 480px;
    padding: 60px 0;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .grid-3, .grid-2 {
    grid-template-columns: 1fr;
  }
  
  .floating-whatsapp-btn {
    bottom: 20px;
    left: 15px;
    padding: 10px 14px;
    font-size: 0.82rem;
  }
  
  .floating-whatsapp-btn svg {
    width: 24px;
    height: 24px;
  }
  
  .cta-banner-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  
  .cta-banner-buttons .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .floating-whatsapp-label {
    display: none; /* Icon only on extra small screens for compactness */
  }
  
  .floating-whatsapp-btn {
    padding: 12px;
    border-radius: 50%;
  }
  
  .site-logo svg {
    height: 40px;
  }
}