/**
 * Responsive Styles
 * Media queries for mobile, tablet, and desktop breakpoints
 */

/* =============================================
   Tablet (max-width: 768px)
   ============================================= */
@media (max-width: 768px) {
    .hero-content {
        flex-direction: column-reverse;
        text-align: center;
        gap: 2rem;
    }

    .hero-text h1 {
        font-size: 2.25rem;
    }

    .social-links {
        justify-content: center;
    }

    .profile-placeholder {
        width: 200px;
        height: 200px;
        font-size: 4rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .research-areas {
        grid-template-columns: repeat(2, 1fr);
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .publication {
        flex-direction: column;
        gap: 1rem;
    }

    .pub-image {
        width: 100%;
        height: 180px;
    }

    .pub-year {
        min-width: auto;
    }

    .section {
        padding: 3rem 0;
    }
}

/* =============================================
   Mobile (max-width: 480px)
   ============================================= */
@media (max-width: 480px) {
    .nav-content {
        flex-direction: column;
        gap: 1rem;
    }

    .hero {
        padding: 7rem 1rem 3rem;
    }

    .container {
        padding: 0 1rem;
    }

    .research-areas {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .news-item {
        flex-direction: column;
    }

    .news-preview {
        width: 100%;
        height: 120px;
        max-width: 100%;
    }
}