/* ===== Modern Exhibitions Page Styles ===== */

/* Hero Section */
.exhibitions-hero {
    position: relative;
    background: url('https://images.unsplash.com/photo-1445205170230-053b83016050?q=80&w=2000&auto=format&fit=crop') center/cover no-repeat;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 2rem;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    color: #fff;
    margin-bottom: 1.5rem;
    font-family: var(--font-secondary);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: 0;
}

/* Section Headers */
.section-header {
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-family: var(--font-secondary);
    letter-spacing: -0.01em;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Featured Video Section */
.featured-video-section {
    padding: 6rem 0;
    background: var(--bg-light);
}

.featured-video-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 16px;
}

.video-wrapper-large {
    position: relative;
    padding-bottom: 56.25%;
    height: 500px;
}

.video-wrapper-large iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 16px;
}

.video-info {
    padding: 2rem;
}

.video-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-family: var(--font-secondary);
}

.video-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.video-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Host Exhibition Section */
.host-exhibition-section {
    padding: 6rem 0;
    background: var(--bg-light);
}

.host-exhibition-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    max-width: 1200px;
    margin: 0 auto;
}

.host-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-block h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-family: var(--font-secondary);
}

.benefits-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.benefits-list li {
    position: relative;
    padding-left: 1.8rem;
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.5;
}

.benefits-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.1rem;
}

/* Form Styles */
.host-form {
    background: var(--secondary-color);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.host-form h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2rem;
    font-family: var(--font-secondary);
    text-align: center;
}

.exhibition-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-input {
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--secondary-color);
    color: var(--text-primary);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(184, 146, 79, 0.1);
}

.form-input::placeholder {
    color: var(--text-light);
}

.btn-submit {
    padding: 1rem 2rem;
    background: var(--accent-color);
    color: var(--secondary-color);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 1rem;
}

.btn-submit:hover {
    background: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Event Highlights Video Section */
.event-highlights-section {
    padding: 6rem 0;
    background: var(--text-primary);
}

.event-highlights-title {
    font-weight: 700;
    font-size: 2.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
    color: #fff;
    text-align: center;
    margin-bottom: 1rem;
}

.event-highlights-subtitle {
    color: var(--text-light);
    text-align: center;
    margin-bottom: 3rem;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.video-card {
    background: var(--bg-light);
    border-radius: 16px;
    overflow: hidden;
    color: var(--text-primary);
}

.video-card .video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 500px;
}

.video-card .video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 16px;
}

.video-card .video-title {
    padding: 1.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Exhibition Gallery */
.exhibition-gallery-section {
    padding: 6rem 0;
    background: var(--secondary-color);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 1 / 1;
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.02);
}

.gallery-image-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.gallery-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-overlay i {
    color: #fff;
    font-size: 2rem;
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-image-wrapper img {
    transform: scale(1.1);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item:hover .gallery-overlay i {
    transform: scale(1);
}

/* Upcoming Exhibitions */
.upcoming-exhibitions-section {
    padding: 6rem 0;
    background: var(--bg-light);
}

.upcoming-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.exhibition-card {
    background: var(--secondary-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.exhibition-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.card-image-wrapper {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.exhibition-card:hover .card-image {
    transform: scale(1.05);
}

.exhibition-tag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.upcoming-tag {
    background: var(--accent-color);
    color: var(--secondary-color);
}

.past-tag {
    background: var(--text-secondary);
    color: var(--secondary-color);
}

.card-content {
    padding: 2rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-family: var(--font-secondary);
    line-height: 1.3;
}

.card-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.card-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.card-btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
    border: 2px solid var(--accent-color);
    border-radius: 8px;
    background: transparent;
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-btn:hover {
    background: var(--accent-color);
    color: var(--secondary-color);
    transform: translateY(-2px);
}

/* Past Exhibitions */
.past-exhibitions-section {
    padding: 6rem 0;
    background: var(--secondary-color);
}

.past-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.btn-outline {
    border-color: var(--text-secondary);
    color: var(--text-secondary);
}

.btn-outline:hover {
    background: var(--text-secondary);
    color: var(--secondary-color);
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-color));
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-family: var(--font-secondary);
    letter-spacing: -0.01em;
}

.cta-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-outline-light {
    background: transparent;
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
}

.btn-outline-light:hover {
    background: var(--secondary-color);
    color: var(--text-primary);
}

/* Lightbox */
.lightbox-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    align-items: center;
    justify-content: center;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.5);
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.lightbox-close:hover {
    color: var(--accent-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .host-exhibition-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
    }
    
    .upcoming-grid,
    .past-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .featured-video-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-lg {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .host-form {
        padding: 2rem 1.5rem;
    }
    
    .card-content {
        padding: 1.5rem;
    }
    
    .section-header {
        margin-bottom: 3rem;
    }
}