/* Existing Navbar Styles */
  .navbar-dark .navbar-nav .nav-link {
   color: rgba(255, 255, 255, 0.9);
   font-weight: 500;
   padding-bottom: 5px;
   border-bottom: 3px solid transparent;
   transition: border-color 0.2s, color 0.2s;
  }

  .navbar-dark .navbar-nav .nav-link:hover {
   color: #ffffff;
   border-bottom: 3px solid #ffc107;
  }

  .navbar-dark .navbar-nav .nav-link.active {
   color: #ffc107 !important;
   border-bottom: 3px solid #ffc107;
  }
 
  /* Brand/Logo Alignment */
  .navbar-brand img {
   width: 40px;
   margin-right: 5px;
   vertical-align: middle;
   margin-bottom: 0;
  }
  .navbar-brand {
   color: #ffc107 !important;
   display: flex;
   align-items: center;
  }
 
  /* --- MOBILE MENU SLIDE-IN EFFECT (Custom CSS) --- */
  @media (max-width: 991.98px) {
   /* 1. Menu Container (Off-canvas) */
   .navbar-collapse {
    position: fixed;
    top: 0;
    right: 0;
    width: 75%;
    max-width: 300px; /* Cap the width on larger mobile devices */
    height: 100%;
    background-color: #212529;
    z-index: 1050;
    transition: transform 0.3s ease-in-out;
    transform: translateX(100%);
    display: block !important;
    padding: 20px;
    overflow-y: auto; /* Allow scrolling if menu is long */
   }

   /* 2. State when the menu is showing */
   .navbar-collapse.show {
    transform: translateX(0);
   }

   /* 3. Handle the animation state */
   .navbar-collapse.collapsing {
    height: 100% !important;
    transition: transform 0.3s ease-in-out !important;
    transform: translateX(100%);
   }
  
   /* 4. NEW: Off-canvas Backdrop for closing menu */
   .navbar-toggler:focus,
   .navbar-toggler:active {
    box-shadow: none; /* Remove outline focus on the toggler */
   }

   .offcanvas-backdrop-custom {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1045;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.7); /* Dark semi-transparent overlay */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
   }

   .navbar-collapse.show + .offcanvas-backdrop-custom {
    opacity: 1;
    visibility: visible;
   }

   /* Menu Item Styling */
   .navbar-nav {
    margin-top: 50px;
   }
   .navbar-nav .nav-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 5px;
   }
   .navbar-nav .nav-link {
    padding: 10px 0;
   }
   .navbar-nav .nav-link.active {
    border-bottom: none;
   }
  }
  
  /* Existing Portfolio Tab Styles */
  #portfolioTabs .nav-link {
    color: #495057;
    border: none;
    border-radius: 0.5rem 0.5rem 0 0;
    padding: 10px 20px;
    font-weight: 600;
    transition: background-color 0.3s, color 0.3s;
  }
  #infra-tab.nav-link.active, #infra-tab.nav-link:hover {
    background-color: #00bcd4;
    color: #fff;
    border-color: #00bcd4;
  }
  #industrial-tab.nav-link.active, #industrial-tab.nav-link:hover {
    background-color: #6c757d;
    color: #fff;
    border-color: #6c757d;
  }
  #wellness-tab.nav-link.active, #wellness-tab.nav-link:hover {
    background-color: #28a745;
    color: #fff;
    border-color: #28a745;
  }
  
  /* Carousel, Card, and other existing styles are included here for completeness... */
  .carousel-item {
   height: 75vh;
   min-height: 450px;
   background: no-repeat center center scroll;
   background-size: cover;
   position: relative;
  }
  .carousel-overlay {
   position: absolute;
   top: 0;
   left: 0;
   right: 0;
   bottom: 0;
   background: rgba(0, 0, 0, 0.6);
   display: flex;
   align-items: center;
  }
  #slide-1 { background-image: url('https://picsum.photos/1600/900?random=1'); }
  #slide-2 { background-image: url('https://picsum.photos/1600/900?random=2'); }
  #slide-3 { background-image: url('https://picsum.photos/1600/900?random=3'); }
  .portfolio-link {
      display: block;
      text-decoration: none;
      color: inherit;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      cursor: pointer;
      height: 100%;
  }
  .portfolio-link:hover {
      text-decoration: none;
      color: inherit;
      transform: translateY(-5px);
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  }
  .portfolio-card {
      border: 1px solid rgba(0, 0, 0, 0.05);
      border-radius: 0.5rem;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
      padding: 20px;
      height: 100%;
  }
  .portfolio-card h4 {
      font-weight: 700;
      margin-top: 5px;
  }
  .portfolio-card i {
      display: block;
      font-size: 2.5rem;
      margin-bottom: 10px;
  }
  .card-infra { background-color: #e0f7fa; }
  .card-industrial { background-color: #f3f4f6; }
  .card-wellness { background-color: #e8f5e9; }

   /*About us styling */

   .hero-section {
   /* Placeholder image from Picsum */
   background-image: url('https://picsum.photos/1200/600'); 
   background-size: cover;
   background-position: center;
   
   /* Reduced Padding/Height */
   padding-top: 4rem; 
   padding-bottom: 4rem;
   
   position: relative;
   overflow: hidden;
  }
 .hero-overlay {
   position: absolute;
   top: 0;
   left: 0;
   right: 0;
   bottom: 0;
   /* Added dark overlay for text contrast over the image */
   background-color: rgba(0, 0, 0, 0.4); 
  }
 .hero-content {
   position: relative;
   z-index: 10;
   color: white;
  }
 .feature-card {
   background-color: #ffffff;
   border: 1px solid #e0e0e0;
   transition: transform 0.3s, box-shadow 0.3s;
  }
 .feature-card:hover {
   transform: translateY(-5px);
   box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  }
 /* Styles for the dark portfolio section */
 .portfolio-card-dark {
   background-color: #2c2c2c;
   color: #ffffff;
   min-height: 180px;
   border-radius: 8px;
   border-left: 5px solid;
   padding: 1.5rem;
   position: relative;
   overflow: hidden;
  }
 .portfolio-card-dark h4 {
   margin-top: 0;
  }
 .infra-border { border-left-color: #007bff; } /* Blue/Info */
 .industrial-border { border-left-color: #6c757d; } /* Gray/Secondary */
 .wellness-border { border-left-color: #198754; } /* Green/Success */
 .vertical-text {
   position: absolute;
   top: 50%;
   left: -5px;
   transform: rotate(-90deg) translateY(-50%);
   transform-origin: top left;
   font-size: 0.75rem;
   letter-spacing: 1px;
   text-transform: uppercase;
   opacity: 0.6;
  }

  .fs-5 {
    font-size: 18px !important;
    text-align: justify;
}