/* ========== DARK THEME HEADER - ALWAYS DARK ========== */
        .navbar {
            background: rgba(15, 23, 42, 0.98) !important;
            backdrop-filter: blur(20px);
            border-bottom: 1px solid #334155;
            transition: all 0.3s ease;
        }
        
        .navbar.scrolled {
            background: rgba(15, 23, 42, 1) !important;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        
        /* Navigation Links - Dark Theme */
        .nav-link {
            position: relative;
            transition: all 0.3s ease;
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, #60a5fa, #a78bfa);
            transition: width 0.3s ease;
        }
        
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        
        /* Mobile Menu Dark Theme */
        .mobile-menu {
            transform: translateX(100%);
            transition: transform 0.3s ease-in-out;
            z-index: 30;
            background: #1e293b !important;
        }
        
        .mobile-menu.active {
            transform: translateX(0);
        }
        
        /* Animations */
        @keyframes fade-in {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .animate-fade-in {
            animation: fade-in 0.8s ease-out;
        }
        
        @keyframes float {
            0%, 100% {
                transform: translateY(0px);
            }
            50% {
                transform: translateY(-20px);
            }
        }
        
        .animate-float {
            animation: float 6s ease-in-out infinite;
        }

        @keyframes pulse-glow {
            0%, 100% { 
                box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
            }
            50% { 
                box-shadow: 0 0 40px rgba(59, 130, 246, 0.6), 0 0 60px rgba(139, 92, 246, 0.4);
            }
        }
        
        .pulse-glow {
            animation: pulse-glow 3s ease-in-out infinite;
        }
        
        /* Ensure all text in header is visible on dark background */
        .navbar * {
            color: #e2e8f0;
        }
        
        .navbar .nav-link {
            color: #d1d5db !important;
        }
        
        .navbar .nav-link:hover {
            color: #60a5fa !important;
        }
        
        .navbar .nav-link.active {
            color: #60a5fa !important;
        }

        /* Service Card Styles */
        .service-card {
            transform: translateY(0);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            backdrop-filter: blur(10px);
        }
        
        .service-card:hover {
            transform: translateY(-12px) scale(1.03);
        }
        
        .icon-3d {
            transform-style: preserve-3d;
            transition: all 0.4s ease;
        }
        
        .icon-3d:hover {
            transform: rotateY(20deg) rotateX(15deg) scale(1.1);
        }
        
        .gradient-text {
            background: linear-gradient(135deg, #3B82F6, #8B5CF6, #6366F1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .process-step {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease;
        }
        
        .process-step.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .tech-stack-item {
            transition: all 0.3s ease;
        }
        
        .tech-stack-item:hover {
            transform: scale(1.1) rotate(5deg);
        }