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

    .header {
        flex-direction: column;
        gap: 15px;
        padding: 20px 0;
        margin-bottom: 20px;
    }

    .header-icon {
        width: 60px;
        height: 60px;
    }

    .header h1 {
        font-size: 2.2em;
        margin-bottom: 8px;
    }

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

    .instructor-btn-section {
        margin-bottom: 30px;
    }

    .instructor-btn {
        font-size: 1.1em;
        padding: 15px 30px;
        border-radius: 30px;
    }

    .instructor-profile {
        padding: 25px;
        margin-bottom: 30px;
    }

    .instructor-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 20px;
    }

    .instructor-photo {
        margin: 0 auto 15px;
    }

    .instructor-image {
        max-width: 150px;
        max-height: 180px;
        border-radius: 8px;
        border: 2px solid #8b4513;
    }

    .instructor-link-btn {
        padding: 10px 20px;
        font-size: 0.9em;
        width: 100%;
        max-width: 280px;
    }

    /* Gallery Mobile Styles */
    .gallery-section {
        margin: 40px 0;
    }

    .gallery-header {
        margin-bottom: 25px;
    }

    .gallery-header h2 {
        font-size: 2em;
        margin-bottom: 8px;
    }

    .gallery-header p {
        font-size: 1em;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
        padding: 0 5px;
    }

    .gallery-item {
        border-radius: 10px;
    }

    .gallery-icon {
        font-size: 1.5em;
        padding: 10px;
    }

    .gallery-btn {
        padding: 12px 30px;
        font-size: 1em;
    }

    .modal-content {
        padding: 10px;
        max-width: 98vw;
        max-height: 90vh;
    }

    .modal-close {
        top: 5px;
        right: 10px;
        width: 30px;
        height: 30px;
        font-size: 1.2em;
    }

    .modal-prev, .modal-next {
        width: 40px;
        height: 40px;
        font-size: 1.5em;
    }

    .modal-prev {
        left: 10px;
    }

    .modal-next {
        right: 10px;
    }

    #modal-image {
        max-width: 95vw;
        max-height: 75vh;
        width: auto;
        height: auto;
    }

    .modal-counter {
        bottom: 10px;
        padding: 6px 12px;
        font-size: 0.8em;
    }

    .instructor-info h2 {
        font-size: 1.8em;
        margin-bottom: 12px;
    }

    .instructor-info p {
        font-size: 0.95em;
        margin-bottom: 12px;
    }

    .courses-header {
        margin-bottom: 25px;
    }

    .courses-header h2 {
        font-size: 2em;
        margin-bottom: 8px;
    }

    .courses-header p {
        font-size: 1em;
    }

    .courses-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .course-card {
        padding: 20px;
        margin: 0 5px;
        border-radius: 15px;
        box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    }

    .course-card.expanded {
        grid-column: 1;
        margin: 0;
    }

    .course-header {
        margin-bottom: 20px;
    }

    .course-icon {
        width: 60px;
        height: 60px;
        margin: 0 auto 15px;
        font-size: 2em;
    }

    .course-title {
        font-size: 1.4em;
        margin-bottom: 12px;
        line-height: 1.3;
    }

    .course-brief {
        font-size: 0.9em;
        line-height: 1.5;
        margin-bottom: 15px;
    }

    .course-price {
        font-size: 1.1em;
        padding: 8px 20px;
        margin-bottom: 12px;
    }

    .promo-badge {
        top: -8px;
        right: -8px;
        padding: 4px 8px;
        font-size: 0.6em;
    }

    .expand-btn {
        padding: 10px 25px;
        font-size: 0.9em;
        border-radius: 20px;
    }

    .course-details {
        margin-top: 20px;
        padding-top: 20px;
    }

    .details-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-bottom: 20px;
    }

    .detail-section {
        padding: 18px;
        border-radius: 12px;
    }

    .detail-section h3 {
        font-size: 1.1em;
        margin-bottom: 12px;
    }

    .detail-section li {
        padding: 6px 0;
        font-size: 0.9em;
    }

    .dates-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-top: 15px;
    }

    .date-card {
        padding: 15px;
        border-radius: 8px;
    }

    .date-card .date {
        font-size: 1.1em;
        margin-bottom: 8px;
    }

    .date-card .info {
        font-size: 0.85em;
    }

    .contact-info {
        padding: 15px;
        margin-top: 15px;
        border-radius: 8px;
    }

    .contact-info p {
        margin-bottom: 8px;
        font-size: 0.9em;
    }

    .location-btn {
        padding: 12px 30px;
        font-size: 1.1em;
    }

    .popup-content {
        width: 95%;
        margin: 10px;
    }

    .popup-header {
        padding: 15px 20px;
    }

    .popup-header h3 {
        font-size: 1.3em;
    }

    .popup-body {
        padding: 20px;
    }

    .location-info {
        padding: 15px;
    }

    .cta-section {
        padding: 25px 20px;
        margin-top: 30px;
    }

    .cta-section h2 {
        font-size: 2em;
        margin-bottom: 15px;
    }

    .cta-btn {
        padding: 15px 35px;
        font-size: 1.1em;
        border-radius: 30px;
    }

    .qualifications {
        margin-top: 15px;
    }

    .qualifications h3 {
        font-size: 1.1em;
        margin-bottom: 8px;
    }

    .qualifications li {
        padding: 4px 0;
        font-size: 0.9em;
    }
}

/* Extra small devices */
@media (max-width: 480px) {
    .container {
        padding: 10px;
    }

    .header h1 {
        font-size: 1.8em;
    }

    .header-icon {
        width: 50px;
        height: 50px;
    }

    .instructor-btn {
        font-size: 1em;
        padding: 12px 25px;
        width: 100%;
        max-width: 300px;
    }

    .course-card {
        padding: 18px;
        margin: 0 2px;
    }

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

    .course-icon {
        width: 50px;
        height: 50px;
        font-size: 1.8em;
    }

    .detail-section {
        padding: 15px;
    }

    .courses-header h2 {
        font-size: 1.8em;
    }

    .cta-section h2 {
        font-size: 1.8em;
    }

    .cta-btn {
        padding: 12px 30px;
        font-size: 1em;
    }

    .location-btn {
        padding: 10px 25px;
        font-size: 1em;
    }

    .popup-header {
        padding: 12px 15px;
    }

    .popup-body {
        padding: 15px;
    }
}