/* ========================================
   Conference Page Styles
   ======================================== */

/* Conference Hero Section */
.conference-hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    padding: 120px 20px 80px;
}

.conference-hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.conference-hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.conference-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(8, 145, 178, 0.85), rgba(14, 116, 144, 0.85));
    z-index: 1;
}

/* Light Violet Overlay for OASI Conference */
.conference-hero-overlay-violet {
    background: linear-gradient(135deg, rgba(186, 152, 217, 0.85), rgba(216, 191, 235, 0.85)) !important;
}

.conference-hero-content {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: 0 auto;
}

.conference-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 12px 24px;
    border-radius: 50px;
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 2rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.conference-badge i {
    font-size: 1.1rem;
}

.conference-main-title {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.conference-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 400;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
}

/* Conference Info Section */
.conference-info-section {
    padding: 60px 0;
    background: var(--lighter-bg);
}

.conference-intro {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.conference-description {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-dark);
}

/* Program Section */
.program-section {
    padding: 60px 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
}

.program-download-card {
    max-width: 700px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    padding: 2.5rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.program-download-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.program-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.program-icon i {
    font-size: 2.5rem;
    color: white;
}

.program-details {
    flex: 1;
    color: white;
}

.program-details h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.program-details p {
    font-size: 1rem;
    opacity: 0.9;
}

.btn-download {
    background: white;
    color: var(--primary-color);
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-download:hover {
    background: var(--lighter-bg);
    transform: scale(1.05);
}

/* Gallery Section */
.gallery-section {
    padding: 60px 0;
    background: var(--lighter-bg);
}

.conference-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

/* Gallery with 3 images in a row */
.conference-gallery-three {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* Gallery with 2 images in a row */
.conference-gallery-two {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 3rem auto 0;
}

/* Gallery with large number of images - 4 columns */
.conference-gallery-large {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

/* Gallery with 5 images - 3 on top, 2 on bottom */
.conference-gallery-five {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.conference-gallery-five .gallery-item:nth-child(4),
.conference-gallery-five .gallery-item:nth-child(5) {
    grid-column: span 1;
}

.conference-gallery-five .gallery-item:nth-child(4) {
    grid-column: 1 / 2;
}

.conference-gallery-five .gallery-item:nth-child(5) {
    grid-column: 3 / 4;
}

.conference-gallery-five .gallery-item:nth-child(6) {
    grid-column: 2 / 3;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    background: white;
}

.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.gallery-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-image {
    transform: scale(1.05);
}

.gallery-caption {
    padding: 1.5rem;
    background: white;
}

.gallery-caption p {
    font-size: 1rem;
    color: var(--text-dark);
    font-weight: 500;
    margin: 0;
}

/* Topics Section */
.topics-section {
    padding: 60px 0;
    background: white;
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.topic-card {
    background: var(--lighter-bg);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.topic-card:hover {
    transform: translateY(-8px);
    background: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.topic-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.topic-icon i {
    font-size: 2rem;
    color: white;
}

.topic-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.topic-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .conference-gallery {
        grid-template-columns: 1fr;
    }
    
    .conference-gallery-three {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .conference-gallery-two {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .conference-gallery-large {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .conference-gallery-five {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .conference-gallery-five .gallery-item:nth-child(4),
    .conference-gallery-five .gallery-item:nth-child(5) {
        grid-column: span 1;
    }
    
    .topics-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .conference-hero {
        min-height: 60vh;
        padding: 100px 20px 60px;
    }
    
    .conference-main-title {
        font-size: 2rem;
    }
    
    .conference-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .program-download-card {
        flex-direction: column;
        text-align: center;
        padding: 2rem;
    }
    
    .conference-gallery {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .conference-gallery-three {
        grid-template-columns: 1fr;
    }
    
    .conference-gallery-two {
        grid-template-columns: 1fr;
    }
    
    .conference-gallery-large {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .conference-gallery-five {
        grid-template-columns: 1fr;
    }
    
    .conference-gallery-five .gallery-item:nth-child(4),
    .conference-gallery-five .gallery-item:nth-child(5) {
        grid-column: span 1;
    }
    
    .topics-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* OASI Conference Title Responsive */
    .page-header-no-video .page-title {
        font-size: 1.75rem;
        padding: 1rem 1.5rem;
        max-width: 95%;
    }
}

@media (max-width: 480px) {
    .conference-main-title {
        font-size: 1.75rem;
    }
    
    .conference-subtitle {
        font-size: 1rem;
    }
    
    .program-download-card {
        padding: 1.5rem;
    }
    
    .program-icon {
        width: 60px;
        height: 60px;
    }
    
    .program-icon i {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    /* OASI Conference Title Mobile */
    .page-header-no-video .page-title {
        font-size: 1.5rem;
        padding: 0.875rem 1.25rem;
        line-height: 1.3;
    }
}

/* Image Modal Styles */
.image-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.95);
}

.image-modal.active {
    display: block;
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 80vh;
    object-fit: contain;
    animation: zoom 0.3s;
    transition: transform 0.3s ease;
    transform-origin: center center;
    cursor: zoom-in;
}

.modal-content.zoomed {
    cursor: zoom-out;
}

@keyframes zoom {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: #fff;
    font-size: 50px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
    z-index: 10000;
}

.modal-close:hover,
.modal-close:focus {
    color: var(--primary-color);
}

.modal-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #ccc;
    padding: 20px 0;
    font-size: 1.1rem;
}

.modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(186, 152, 217, 0.8);
    color: white;
    border: none;
    font-size: 2rem;
    padding: 1rem 1.5rem;
    cursor: pointer;
    border-radius: 8px;
    transition: var(--transition);
    z-index: 10000;
}

.modal-nav:hover {
    background: rgba(186, 152, 217, 1);
}

/* Yellow theme modal buttons */
body:has(.page-header-yellow) .modal-nav {
    background: rgba(251, 191, 36, 0.85);
}

body:has(.page-header-yellow) .modal-nav:hover {
    background: rgba(251, 191, 36, 1);
}

/* Pink theme modal buttons */
body:has(.page-header-pink) .modal-nav {
    background: rgba(236, 72, 153, 0.85);
}

body:has(.page-header-pink) .modal-nav:hover {
    background: rgba(236, 72, 153, 1);
}

/* Blue theme modal buttons */
body:has(.page-header-blue) .modal-nav {
    background: rgba(59, 130, 246, 0.85);
}

body:has(.page-header-blue) .modal-nav:hover {
    background: rgba(59, 130, 246, 1);
}

/* Cream theme modal buttons */
body:has(.page-header-cream) .modal-nav {
    background: rgba(180, 83, 9, 0.85);
}

body:has(.page-header-cream) .modal-nav:hover {
    background: rgba(180, 83, 9, 1);
}

.modal-prev {
    left: 20px;
}

.modal-next {
    right: 20px;
}

/* Cursor pointer for clickable gallery items */
.gallery-item {
    cursor: pointer;
}

/* Back Link Styling - Consistent across all conference pages */
.page-header .back-link,
.page-header-no-video .back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    transition: var(--transition);
    text-decoration: none;
}

.page-header .back-link:hover,
.page-header-no-video .back-link:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateX(-5px);
}

/* Page Header without Video - Light Violet Background */
.page-header-no-video {
    background: linear-gradient(135deg, rgba(186, 152, 217, 0.95), rgba(216, 191, 235, 0.95)) !important;
    min-height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Page Header Yellow Theme for Dubai Hernia Summit */
.page-header-yellow {
    background: linear-gradient(135deg, rgba(254, 243, 199, 0.95), rgba(253, 230, 138, 0.95)) !important;
}

/* Page Header Pink Theme for Oxford Breast Surgery Course */
.page-header-pink {
    background: linear-gradient(135deg, rgba(251, 207, 232, 0.95), rgba(244, 143, 177, 0.95)) !important;
}

/* Page Header Blue Theme for Multi-Disciplinary Breast Conference */
.page-header-blue {
    background: linear-gradient(135deg, rgba(191, 219, 254, 0.95), rgba(147, 197, 253, 0.95)) !important;
}

/* Page Header Cream Theme for Best of San Antonio Breast Symposium */
.page-header-cream {
    background: linear-gradient(135deg, rgba(254, 252, 243, 0.98), rgba(250, 240, 220, 0.98)) !important;
}

.page-header-no-video .page-header-container {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.page-header-no-video .page-title {
    margin: 0;
    background: rgba(255, 255, 255, 0.98);
    color: #6b46c1;
    padding: 1.2rem 2.5rem;
    border-radius: 12px;
    font-size: 2.2rem;
    font-weight: 600;
    box-shadow: 0 8px 25px rgba(107, 70, 193, 0.25);
    border: 2px solid rgba(186, 152, 217, 0.3);
    max-width: 900px;
    line-height: 1.4;
}

/* Yellow theme title styling */
.page-header-yellow .page-title {
    color: #d97706;
    box-shadow: 0 8px 25px rgba(217, 119, 6, 0.2);
    border: 2px solid rgba(253, 230, 138, 0.4);
}

/* Yellow theme back button - black text */
.page-header-yellow .back-link {
    color: #000000;
}

/* Blue theme back button - black text */
.page-header-blue .back-link {
    color: #000000;
}

/* Cream theme back button - black text */
.page-header-cream .back-link {
    color: #000000;
}

/* Pink theme title styling */
.page-header-pink .page-title {
    color: #db2777;
    box-shadow: 0 8px 25px rgba(219, 39, 119, 0.2);
    border: 2px solid rgba(251, 207, 232, 0.4);
}

/* Blue theme title styling */
.page-header-blue .page-title {
    color: #1d4ed8;
    box-shadow: 0 8px 25px rgba(29, 78, 216, 0.2);
    border: 2px solid rgba(191, 219, 254, 0.4);
}

/* Cream theme title styling */
.page-header-cream .page-title {
    color: #92400e;
    box-shadow: 0 8px 25px rgba(146, 64, 14, 0.15);
    border: 2px solid rgba(217, 119, 6, 0.2);
}

/* Responsive Modal */
@media (max-width: 768px) {
    .modal-content {
        max-width: 95%;
    }
    
    .modal-nav {
        font-size: 1.5rem;
        padding: 0.75rem 1rem;
    }
    
    .modal-prev {
        left: 10px;
    }
    
    .modal-next {
        right: 10px;
    }
}

@media (max-width: 480px) {
    .modal-close {
        font-size: 35px;
        right: 20px;
        top: 10px;
    }
}