:root {
            --primary-color: #0d6efd;
            --dark-bg: #1a1a1a;
            --light-bg: #f8f9fa;
        }
        body {
            font-family: 'Poppins', sans-serif;
            scroll-behavior: smooth;
        }
        
        /* --- HERO SECTION WITH BACKGROUND IMAGE --- */
        .hero-section {
            /* The image shows tech/hardware and code */
            background-image: linear-gradient(rgba(26, 26, 26, 0.8), rgba(13, 110, 253, 0.7)), url('../images/bg-hero.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed; /* Creates a nice scrolling effect */
            color: white;
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
        }
        
        .section-padding {
            padding: 80px 0;
        }
        .skill-card {
            transition: transform 0.3s ease;
            border: none;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
        }
        .skill-card:hover {
            transform: translateY(-10px);
        }
        .project-card img {
            height: 250px;
            object-fit: cover;
        }
        .nav-link {
            font-weight: 500;
        }
        .btn-outline-light:hover {
            background-color: white;
            color: var(--primary-color);
        }