/* Responsive Design for various screen sizes */

/* Tablet and smaller desktops */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }

    .hero h1 {
        font-size: 3em;
    }

    .hero p {
        font-size: 1.2em;
    }

    section h2 {
        font-size: 2.2em;
    }

    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
}

/* Mobile devices (landscape and portrait) */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }

    nav ul {
        margin-top: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }

    nav ul li {
        margin: 0 15px 10px;
    }

    .hero {
        padding: 80px 15px;
    }

    .hero h1 {
        font-size: 2.5em;
    }

    .hero p {
        font-size: 1em;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9em;
    }

    section {
        padding: 50px 15px;
    }

    section h2 {
        font-size: 2em;
    }

    .about-content {
        flex-direction: column;
        gap: 30px;
    }

    .about-image {
        order: -1; /* Move image above text on small screens */
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    .skill-item {
        padding: 15px;
    }

    .skill-item i {
        font-size: 2em;
    }

    .skill-item h3 {
        font-size: 1em;
    }

    .projects-grid {
        grid-template-columns: 1fr; /* Single column for projects */
    }

    .project-card img {
        height: 180px;
    }

    .project-content {
        padding: 20px;
    }

    .project-content h3 {
        font-size: 1.5em;
    }

    .certification-item {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }

    .certification-item i {
        font-size: 2.5em;
    }

    .certification-details h3 {
        font-size: 1.3em;
    }

    .hackathon-item {
        padding: 20px;
    }

    .hackathon-item h3 {
        font-size: 1.5em;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }

    .gallery-item img {
        height: 150px;
    }

    .contact-content {
        flex-direction: column;
        gap: 30px;
    }

    .contact-form,
    .contact-info {
        padding: 25px;
    }

    .dark-mode-toggle {
        margin-top: 10px;
        margin-left: 0;
    }

    footer nav ul {
        flex-direction: column;
        gap: 10px;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    .hero {
        padding: 60px 10px;
    }

    .hero h1 {
        font-size: 2em;
    }

    .btn {
        padding: 8px 18px;
        font-size: 0.8em;
    }

    section {
        padding: 40px 10px;
    }

    section h2 {
        font-size: 1.8em;
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }

    .gallery-grid {
        grid-template-columns: 1fr; /* Single column for very small screens */
    }

    .gallery-item img {
        height: 200px;
    }

    .contact-form input,
    .contact-form textarea {
        width: calc(100% - 16px); /* Adjust for smaller padding */
        padding: 8px;
    }
}