:root {
            --primary-color: #0DE6EE;
            --secondary-color: #ffffff;
            --dark-color: #212529;
            --light-color: #f8f9fa;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            scroll-behavior: smooth;
        }
        
        section {
            padding: 80px 0;
        }
        
        .hero-section {
            background: linear-gradient(135deg, var(--dark-color) 0%, #2c3e50 100%);
            color: white;
            min-height: 100vh;
            display: flex;
            align-items: center;
        }
        
        .navbar {
            transition: all 0.3s ease;
            background-color: rgba(13, 230, 238, 0.95) !important;
        }
        
        .navbar-scrolled {
            background-color: rgba(13, 230, 238, 0.95) !important;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
        }
        
        .hero-title {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        
        .hero-title span {
            color: var(--primary-color);
        }
        
        .social-btn {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-right: 10px;
            transition: all 0.3s ease;
        }
        
        .social-btn:hover {
            transform: translateY(-3px);
        }
        
        .section-title {
            font-weight: 700;
            margin-bottom: 3rem;
            position: relative;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 60px;
            height: 4px;
            background-color: var(--primary-color);
        }
        
        .section-title span {
            color: var(--primary-color);
        }
        
        .skill-card {
            transition: transform 0.3s ease;
            border: none;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            height: 100%;
        }
        
        .skill-card:hover {
            transform: translateY(-10px);
        }
        
        .service-card {
            border: none;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            height: 100%;
        }
        
        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }
        
        .video-slide {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }
        
        .video-placeholder {
            background: linear-gradient(45deg, #6c757d, #adb5bd);
            height: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.2rem;
        }
        
        .carousel-control-prev, .carousel-control-next {
            width: 5%;
        }
        
        .contact-form {
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 30px;
        }
        
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 30px 0 15px;
        }
        
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }
        
        .btn-primary:hover {
            background-color: #0bc9d1;
            border-color: #0bc9d1;
        }
        
        .btn-outline-primary {
            color: var(--primary-color);
            border-color: var(--primary-color);
        }
        
        .btn-outline-primary:hover {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            color: white;
        }
        
        .text-primary {
            color: var(--primary-color) !important;
        }
        
        .bg-primary {
            background-color: var(--primary-color) !important;
        }
        
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
            
            section {
                padding: 60px 0;
            }
        }