/* Base Styles */
        body {
            font-family: 'Inter', sans-serif;
            overflow-x: hidden;
            background-color: #f0f2f5; /* Light grey background */
            color: #333;
            line-height: 1.6;
        }

        a {
            text-decoration: none;
            color: #3498db;
            transition: color 0.3s ease;
        }

        a:hover {
            color: #2980b9;
        }

        /* Utility Classes */
        .section-padding {
            padding: 80px 0;
        }

        .text-center {
            text-align: center;
        }

        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }

        /* Section Headings */
        .section-heading {
            margin-bottom: 60px;
        }

        .section-heading h6 {
            color: #3498db;
            font-size: 1.1em;
            font-weight: 600;
            margin-bottom: 10px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .section-heading h4 {
            font-size: 3em;
            font-weight: 800;
            color: #1a2a3a;
            margin-bottom: 15px;
            line-height: 1.2;
        }

        .section-heading em {
            color: #3498db;
            font-style: normal;
        }

        .line-dec {
            background-color: #3498db;
            height: 4px;
            width: 80px;
            border-radius: 2px;
            margin-top: 20px;
        }

        /* Buttons */
        .btn-primary {
            background-color: #3498db;
            color: #ffffff;
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        }

        .btn-primary:hover {
            background-color: #2980b9;
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
        }

        .btn-outline-primary {
            background-color: transparent;
            color: #3498db;
            border: 2px solid #3498db;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .btn-outline-primary:hover {
            background-color: #3498db;
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(52, 152, 219, 0.3);
        }

        
        /* --- Hero Section --- */
        .hero-section {
            background: linear-gradient(135deg, #e0f2f7 0%, #f8fbfd 100%);
            padding: 120px 0;
            position: relative;
            overflow: hidden;
            border-bottom-left-radius: 60px;
            border-bottom-right-radius: 60px;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
            z-index: 1;
        }

        .hero-content {
            z-index: 2;
            position: relative;
        }

        .hero-content h1 {
            font-size: 4.5em;
            font-weight: 900;
            color: #1a2a3a;
            line-height: 1.1;
            margin-bottom: 20px;
        }

        .hero-content p.lead {
            font-size: 1.5em;
            color: #555;
            margin-bottom: 30px;
        }

        .hero-content .owner-info {
            font-size: 1.1em;
            color: #777;
            margin-bottom: 40px;
        }

        .hero-animation-container {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
            opacity: 0.7; /* Make it subtle */
        }

        #three-js-canvas {
            display: block;
            width: 100%;
            height: 100%;
        }

        /* --- Services Section --- */
        .service-card {
            background-color: #ffffff;
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            text-align: center;
            height: 100%; /* Ensure uniform height in grid */
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
            background-color: #eaf6ff;
        }

        .service-card .icon {
            font-size: 3.5em;
            color: #3498db;
            margin-bottom: 20px;
        }

        .service-card h5 {
            font-size: 1.5em;
            font-weight: 700;
            color: #1a2a3a;
            margin-bottom: 15px;
        }

        .service-card p {
            font-size: 0.95em;
            color: #666;
        }

        /* --- Projects Section --- */
        .project-card {
            background-color: #ffffff;
            border-radius: 20px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
            overflow: hidden;
            transition: all 0.3s ease;
            height: 100%; /* Ensure uniform height */
            display: flex;
            flex-direction: column;
        }

        .project-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
        }

        .project-card img {
            width: 100%;
            height: 250px; /* Fixed height for consistency */
            object-fit: cover;
            border-top-left-radius: 20px;
            border-top-right-radius: 20px;
        }

        .project-card .card-body {
            padding: 25px;
            text-align: center;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .project-card h5 {
            font-size: 1.6em;
            font-weight: 700;
            color: #1a2a3a;
            margin-bottom: 10px;
        }

        .project-card p.category {
            color: #777;
            font-size: 0.9em;
            margin-bottom: 20px;
        }

        .project-buttons {
            margin-top: auto; /* Push buttons to bottom */
            display: flex;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .project-buttons .btn {
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.9em;
            font-weight: 600;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }

        /* --- Testimonials Section --- */
     
      .testimonial-card {
        transition: transform 0.3s ease;
        }
       .testimonial-card:hover {
        transform: translateY(-5px);
       }
      .ti-star {
         margin-right: 2px;
         font-size: 1rem;
      }
      .ti-thumb-up,
      .ti-comment {
        font-size: 0.9rem;
       vertical-align: middle;
      }    


        /* --- Contact Section --- */
        .contact-form-container {
            background-color: #ffffff;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
        }

        .contact-form-container .form-control {
            border-radius: 10px;
            padding: 12px;
            border: 1px solid #ddd;
        }

        .contact-form-container .form-control:focus {
            border-color: #3498db;
            box-shadow: 0 0 0 0.25rem rgba(52, 152, 219, 0.25);
        }

/* --- Filter Buttons --- */
.filter-btn {
  margin: 0 5px 10px;
  transition: 0.3s ease;
}
.filter-btn.active,
.filter-btn:hover {
  background-color: #0d6efd;
  color: white;
}
.project-item {
  transition: all 0.3s ease-in-out;
}



        /* --- Footer --- */
        footer {
            background-color: #1a2a3a; /* Darker footer */
            color: #ecf0f1;
            padding: 40px 0;
            text-align: center;
            border-top-left-radius: 60px;
            border-top-right-radius: 60px;
            margin-top: 80px;
        }

        footer p {
            margin-bottom: 0;
            font-size: 0.9em;
        }

        footer a {
            color: #3498db;
            text-decoration: none;
        }

        footer a:hover {
            color: #5dade2;
        }

        /* Responsive Adjustments */
        @media (max-width: 1200px) {
            .hero-content h1 {
                font-size: 3.8em;
            }
            .hero-content p.lead {
                font-size: 1.3em;
            }
            .section-heading h4 {
                font-size: 2.5em;
            }
        }

        @media (max-width: 991px) {
            .hero-section {
                padding: 80px 0;
            }
            .hero-content h1 {
                font-size: 3em;
            }
            .hero-content p.lead {
                font-size: 1.1em;
            }
            .hero-animation-container {
                position: relative; /* Stack below content on small screens */
                height: 300px;
                margin-top: 40px;
            }
            .section-heading {
                margin-bottom: 40px;
            }
            .section-heading h4 {
                font-size: 2.2em;
            }
            .service-card, .project-card, .testimonial-card {
                margin-bottom: 30px;
            }
            .navbar-collapse {
                text-align: center;
            }
            /* Adjust sidebar for smaller screens */
            .sidebar.open {
                width: 250px;
            }
            body.sidebar-active #main-content {
                margin-left: 0; /* Don't push main content on small screens */
            }
            .hamburger {
                top: 15px;
                left: 15px;
                font-size: 1.8em;
            }
        }

        @media (max-width: 767px) {
            .hero-section {
                padding: 60px 0;
            }
            .hero-content h1 {
                font-size: 2.5em;
            }
            .hero-content p.lead {
                font-size: 1em;
            }
            .btn-primary, .btn-outline-primary {
                padding: 10px 20px;
                font-size: 0.9em;
            }
            .section-heading h4 {
                font-size: 1.8em;
            }
            .service-card .icon {
                font-size: 3em;
            }
            .service-card h5 {
                font-size: 1.3em;
            }
            .project-card img {
                height: 200px;
            }
            .project-card h5 {
                font-size: 1.4em;
            }
            .project-buttons .btn {
                width: 100%; /* Stack buttons on very small screens */
                margin-bottom: 10px;
            }
        }