:root {
        --primary: #3a7bd5;
        --secondary: #00d2ff;
        --light: #f8f9fa;
        --dark: #212529;
    }
    
    body {
        font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
        line-height: 1.6;
        color: var(--dark);
        overflow-x: hidden;
    }
    
    .navbar {
        transition: all 0.3s ease;
        padding: 1rem 0;
    }
    
    .navbar.scrolled {
        background-color: white !important;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        padding: 0.5rem 0;
    }
    
    .hero {
        background: linear-gradient(135deg, var(--primary), #0b5ed7);
        color: white;
        min-height: 100vh;
        display: flex;
        align-items: center;
        position: relative;
        overflow: hidden;
    }
    
    .hero-content {
        z-index: 2;
    }
    
    .profile-img {
        width: 200px;
        height: 200px;
        object-fit: cover;
        border: 5px solid white;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }
    
    .section {
        padding: 5rem 0;
    }
    
    .section-title {
        position: relative;
        display: inline-block;
        margin-bottom: 3rem;
    }
    
    .section-title:after {
        content: '';
        position: absolute;
        width: 50px;
        height: 3px;
        background: var(--primary);
        bottom: -10px;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .skill-card {
        padding: 1.5rem;
        border-radius: 8px;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        height: 100%;
        border: 1px solid rgba(0,0,0,0.1);
    }
    
    .skill-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }
    
    .project-card {
        margin-bottom: 2rem;
        overflow: hidden;
        border-radius: 8px;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        transition: transform 0.3s ease;
    }
    
    .project-card:hover {
        transform: translateY(-5px);
    }
    
    .project-img {
        height: 200px;
        object-fit: cover;
    }
    
    .contact-info i {
        width: 50px;
        height: 50px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--light);
        border-radius: 50%;
        margin-bottom: 1rem;
        color: var(--primary);
        font-size: 1.25rem;
    }
    
    .btn-primary {
        padding: 0.75rem 2rem;
        font-weight: 500;
        border-radius: 50px;
        transition: all 0.3s ease;
    }
    
    .btn-outline-primary {
        padding: 0.75rem 2rem;
        font-weight: 500;
        border-radius: 50px;
        transition: all 0.3s ease;
    }
    
    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(13, 110, 253, 0.3);
    }
    
    .btn-outline-primary:hover {
        background: var(--primary);
        color: white;
    }
    
    footer {
        background: var(--dark);
        color: white;
        padding: 3rem 0;
    }
    
    .social-links a {
        color: white;
        font-size: 1.5rem;
        margin-right: 1rem;
        transition: color 0.3s ease;
    }
    
    .social-links a:hover {
        color: var(--primary);
        text-decoration: none;
    }
    
    /* Responsive adjustments */
    @media (max-width: 768px) {
        .hero {
            text-align: center;
            padding: 6rem 0;
        }
        
        .profile-img {
            margin: 0 auto 2rem;
        }
        
        .section {
            padding: 3rem 0;
        }
    }
    
    /* Additional styles */
    .skill-item {
        padding: 1.5rem;
        border-radius: 8px;
        background: white;
        transition: all 0.3s ease;
        border: 1px solid rgba(0,0,0,0.1);
        height: 100%;
    }
    
    .skill-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }
    
    .portfolio-item {
        transition: transform 0.3s ease;
    }
    
    .timeline {
        position: relative;
        padding-left: 2rem;
    }
    
    .timeline:before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 2px;
        background: var(--light);
    }
    
    .timeline-item {
        position: relative;
        padding-bottom: 2rem;
        padding-left: 2rem;
    }
    
    .timeline-item:last-child {
        padding-bottom: 0;
    }
    
    .timeline-item:before {
        content: '';
        position: absolute;
        left: -10px;
        top: 0;
        width: 20px;
        height: 20px;
        border-radius: 50%;
        background: var(--primary);
        border: 3px solid white;
    }
    
    .portfolio-item:hover {
        transform: translateY(-10px);
    }
    
    .contact-form input,
    .contact-form textarea {
        border: 1px solid #ddd;
        border-radius: 8px;
        padding: 12px;
        margin-bottom: 15px;
    }
    
    .contact-form button {
        padding: 12px 30px;
        border-radius: 8px;
        transition: all 0.3s ease;
    }
    
    .contact-form button:hover {
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    /* Portfolio Section */
    #portfolio {
        background-color: #f8f9fa;
        padding: 5rem 0;
    }

    .project-card {
        position: relative;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        margin-bottom: 1.5rem;
        transition: all 0.3s ease;
    }

    .project-card img {
        width: 100%;
        height: 250px;
        object-fit: cover;
        transition: all 0.5s ease;
    }

    .project-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.8);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        opacity: 0;
        transition: all 0.3s ease;
        padding: 20px;
        text-align: center;
        color: #fff;
    }

    .project-card:hover .project-overlay {
        opacity: 1;
    }

    .project-card:hover img {
        transform: scale(1.1);
    }

    .project-overlay h4 {
        font-size: 1.5rem;
        margin-bottom: 10px;
        transform: translateY(20px);
        transition: all 0.3s ease;
    }

    .project-overlay p {
        margin-bottom: 20px;
        transform: translateY(30px);
        opacity: 0;
        transition: all 0.3s ease 0.1s;
    }

    .project-overlay .btn {
        transform: translateY(40px);
        opacity: 0;
        transition: all 0.3s ease 0.2s;
    }

    .project-card:hover .project-overlay h4,
    .project-card:hover .project-overlay p,
    .project-card:hover .project-overlay .btn {
        transform: translateY(0);
        opacity: 1;
    }

    /* Contact Section */
    #contact .card {
        border: none;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        transition: all 0.3s ease;
    }

    #contact .card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    }

    #contact .form-control {
        padding: 12px 15px;
        border: 1px solid #e0e0e0;
        border-radius: 6px;
        transition: all 0.3s ease;
    }

    #contact .form-control:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.1);
    }

    #contact .btn-primary {
        padding: 10px 30px;
        font-weight: 600;
        letter-spacing: 0.5px;
        transition: all 0.3s ease;
    }

    #contact .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(13, 110, 253, 0.3);
    }