:root {
            --color-primary: #002D62; 
            --color-secondary: #007BFF; 
            --color-accent: #FFC107; 
            --color-text: #333333;
            --color-light-gray: #f8f9fa;
        }

        body {
            font-family: 'Roboto', sans-serif;
            color: var(--color-text);
            scroll-behavior: smooth;
        }
        h1, h2, h3, h4, .font-titillium {
            font-family: 'Titillium Web', sans-serif;
        }

  
        .header-sticky {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(229, 231, 235, 0.5);
        }

        .nav-link {
            position: relative;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -4px;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--color-secondary);
            transition: width 0.3s ease-in-out;
        }
        .nav-link:hover::after, .nav-link.active::after {
            width: 100%;
        }

        .dropdown {
            position: relative;
        }
        .dropdown-menu {
            position: absolute;
            top: 100%; 
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
            z-index: 100;
        }
        .dropdown:hover .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .swiper-button-next, .swiper-button-prev {
            color: white !important;
        }
        #particles-js {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: 1;
        }
        .swiper-slide .container {
            position: relative;
            z-index: 2;
        }

        .animated-gradient {
            background: linear-gradient(-45deg, var(--color-primary), #002e5c, #0259b1, var(--color-secondary));
            background-size: 400% 400%;
            animation: gradient 10s ease infinite;
        }

        @keyframes gradient {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        #scrollTopBtn {
            display: none;
            position: fixed;
            bottom: 20px;
            right: 30px;
            z-index: 99;
            background-color: var(--color-secondary);
            color: white;
            cursor: pointer;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
            transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
        }
        #scrollTopBtn:hover {
            transform: scale(1.1);
        }

        #mobile-menu-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.5);
            z-index: 45;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        #mobile-menu-overlay.open {
            opacity: 1;
            visibility: visible;
        }
        #mobile-menu {
            transform: translateX(100%);
            transition: transform 0.3s ease-in-out;
        }
        #mobile-menu.open {
            transform: translateX(0);
        }
        .mobile-submenu {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease-in-out;
        }
        .mobile-submenu.open {
            max-height: 500px; /* Adjust as needed */
        }
        .mobile-menu-toggle i {
            transition: transform 0.3s ease;
        }
        .mobile-menu-toggle.open i {
            transform: rotate(180deg);
        }
        
        .service-card {
            transform-style: preserve-3d;
            transition: transform 0.5s;
        }
        .service-card:hover {
            transform: translateZ(20px) rotateX(5deg) rotateY(-5deg);
        }
        
        .testimonial-swiper .swiper-pagination-bullet-active {
            background: var(--color-primary);
        }
        
        .industry-card {
            position: relative;
            overflow: hidden;
            border-radius: 0.5rem;
        }
        .industry-card img {
            transition: transform 0.5s ease;
        }
        .industry-card:hover img {
            transform: scale(1.1);
        }
        .industry-card .overlay {
            transition: background-color 0.5s ease;
        }