/* ============================================
   Responsive Stylesheet
   ============================================ */

/* Tablet Styles */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .header {
        padding: 40px 15px;
    }

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

    .profile-img {
        width: 120px;
        height: 120px;
    }

    .section {
        padding: 20px;
    }

    .contact-grid {
        flex-direction: column;
    }

    .contact-item {
        width: 100%;
    }

    .timeline-item {
        padding-left: 20px;
    }

    .publication-links {
        flex-wrap: wrap;
    }

    .awards-list li {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
}

/* Mobile Styles */
@media (max-width: 480px) {
    .header h1 {
        font-size: 1.6em;
    }

    .header .title {
        font-size: 1em;
    }

    .section-title {
        font-size: 1.3em;
    }

    .research-tag {
        font-size: 0.85em;
        padding: 6px 14px;
    }

    .timeline-item {
        padding-left: 15px;
        margin-bottom: 20px;
    }

    .timeline-item::before {
        left: -6px;
        width: 10px;
        height: 10px;
    }

    .publication-item {
        padding: 15px;
    }

    .publication-title {
        font-size: 1em;
    }

    .publication-authors,
    .publication-venue {
        font-size: 0.85em;
    }
}

/* Large Screen Styles */
@media (min-width: 1200px) {
    .container {
        max-width: 1000px;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
    }

    .section {
        box-shadow: none;
        border: 1px solid var(--border-color);
        break-inside: avoid;
    }

    .header {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    a {
        text-decoration: none;
        color: var(--text-color);
    }

    .publication-links {
        display: none;
    }
}