/* Presentations Page Styles */

.presentations-hero {
    background: white;
    color: #2c3e50;
    padding: 120px 0 80px;
    text-align: center;
    border-bottom: 1px solid #e9ecef;
}

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

.presentations-hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.presentations-hero h1 i {
    margin-right: 1rem;
    color: #667eea;
}

.presentations-hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: #6c757d;
    line-height: 1.6;
}

.presentations-hero .hero-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.presentations-hero .tag {
    background: #f8f9fa;
    color: #667eea;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    border: 1px solid #e9ecef;
}

/* Category Filter Section */
.category-filter-section {
    padding: 40px 0;
    background: white;
    border-bottom: 1px solid #e9ecef;
}

.category-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.category-btn {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    color: #6c757d;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.category-btn:hover {
    background: #e9ecef;
    border-color: #667eea;
    color: #667eea;
}

.category-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
    color: white;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.category-btn i {
    font-size: 1rem;
}

.presentations-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: #6c757d;
    max-width: 600px;
    margin: 0 auto;
}

.presentations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.presentation-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.presentation-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.presentation-thumbnail {
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
}

.presentation-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.3rem 0.6rem;
    border-radius: 15px;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    backdrop-filter: blur(10px);
}

.video-badge i {
    font-size: 0.9rem;
}

.presentation-content {
    padding: 1.5rem;
}

.presentation-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.8rem;
}

.presentation-content p {
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.presentation-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.presentation-meta .duration {
    color: #6c757d;
}

.presentation-meta .duration i {
    margin-right: 0.3rem;
}

.presentation-meta .category {
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-weight: 500;
    font-size: 0.85rem;
}

.category.architecture {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
}

.category.technical {
    background: rgba(118, 75, 162, 0.1);
    color: #764ba2;
}

.category.features {
    background: rgba(240, 147, 251, 0.1);
    color: #f093fb;
}

.category.security {
    background: rgba(245, 87, 108, 0.1);
    color: #f5576c;
}

.category.ai-technology {
    background: rgba(79, 172, 254, 0.1);
    color: #4facfe;
}

.category.analytics {
    background: rgba(67, 233, 123, 0.1);
    color: #43e97b;
}

.presentation-btn {
    width: 100%;
    padding: 0.8rem;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.presentation-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.cloud-features-section {
    padding: 80px 0;
    background: white;
}

.cloud-features-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: white;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #6c757d;
    line-height: 1.6;
}

/* Presentation Modal */
.presentation-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 2% auto;
    padding: 0;
    border-radius: 15px;
    width: 90%;
    max-width: 1200px;
    height: 90%;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.close-btn:hover {
    background-color: rgba(255,255,255,0.2);
}

.modal-body {
    height: calc(100% - 80px);
    overflow-y: auto;
}

.presentation-viewer {
    padding: 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.presentation-slide {
    background: white;
    border-radius: 10px;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    max-width: 800px;
    margin: 0 auto;
}

.presentation-slide h2 {
    color: #2c3e50;
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.presentation-slide p {
    color: #6c757d;
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.presentation-slide ul {
    text-align: left;
    max-width: 600px;
    margin: 0 auto;
}

.presentation-slide li {
    color: #6c757d;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 0.8rem;
    padding-left: 1rem;
}

.slide-navigation {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.slide-nav-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.slide-nav-btn:hover {
    background: #5a6fd8;
    transform: translateY(-2px);
}

.slide-nav-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

/* Video Presentation Styles */
.video-presentation, .interactive-presentation {
    padding: 2rem;
    text-align: center;
}

.presentation-info {
    margin-top: 2rem;
    text-align: left;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.presentation-info h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.presentation-info p {
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.presentation-stats {
    display: flex;
    gap: 2rem;
    color: #6c757d;
    font-size: 0.9rem;
}

.presentation-stats span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Filter Animation */
.presentation-card {
    transition: all 0.3s ease;
}

.presentation-card[style*="display: none"] {
    opacity: 0;
    transform: scale(0.8);
}

/* Loading States */
.presentations-grid.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .presentations-hero h1 {
        font-size: 2.5rem;
    }
    
    .presentations-hero p {
        font-size: 1.1rem;
    }
    
    .category-filters {
        flex-direction: column;
        align-items: center;
    }
    
    .category-btn {
        width: 100%;
        max-width: 250px;
        justify-content: center;
    }
    
    .presentations-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .modal-content {
        width: 95%;
        height: 95%;
        margin: 2.5% auto;
    }
    
    .presentation-slide {
        padding: 2rem 1rem;
    }
    
    .presentation-slide h2 {
        font-size: 2rem;
    }
    
    .video-presentation, .interactive-presentation {
        padding: 1rem;
    }
    
    .presentation-stats {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .presentations-hero {
        padding: 100px 0 60px;
    }
    
    .presentations-hero h1 {
        font-size: 2rem;
    }
    
    .presentations-hero .hero-tags {
        flex-direction: column;
        align-items: center;
    }
    
    .presentation-content {
        padding: 1rem;
    }
    
    .modal-header {
        padding: 1rem;
    }
    
    .presentation-slide {
        padding: 1.5rem 1rem;
    }
}/*
 GT Cloud Detailed Section for Presentations Page */
.gt-cloud-detailed-section {
    padding: 80px 0;
    background: white;
    border-bottom: 1px solid #e9ecef;
}

.gt-cloud-detailed-header {
    text-align: center;
    margin-bottom: 4rem;
}

.gt-cloud-detailed-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 2rem;
}

.gt-cloud-detailed-header h2 i {
    color: #667eea;
    margin-right: 1rem;
}

.gt-cloud-detailed-intro {
    font-size: 1.2rem;
    color: #4a5568;
    line-height: 1.8;
    max-width: 900px;
    margin: 0 auto;
}

.gt-cloud-detailed-purpose {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
}

.detailed-purpose-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    max-width: 700px;
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
}

.detailed-purpose-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.detailed-purpose-card h3 i {
    margin-right: 0.8rem;
}

.detailed-purpose-card blockquote {
    font-size: 1.4rem;
    font-weight: 600;
    font-style: italic;
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    border-left: 4px solid rgba(255, 255, 255, 0.3);
}

.detailed-purpose-card p {
    font-size: 1.1rem;
    line-height: 1.7;
    opacity: 0.9;
}

/* Update existing cloud features section */
.cloud-features-section h2 i {
    color: #667eea;
    margin-right: 1rem;
}

/* Responsive Design for GT Cloud Detailed Section */
@media (max-width: 768px) {
    .gt-cloud-detailed-header h2 {
        font-size: 2rem;
    }
    
    .gt-cloud-detailed-intro {
        font-size: 1.1rem;
    }
    
    .detailed-purpose-card {
        padding: 2rem;
        margin: 0 1rem;
    }
    
    .detailed-purpose-card blockquote {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .gt-cloud-detailed-section {
        padding: 60px 0;
    }
    
    .gt-cloud-detailed-header h2 {
        font-size: 1.8rem;
    }
    
    .detailed-purpose-card {
        padding: 1.5rem;
    }
    
    .detailed-purpose-card h3 {
        font-size: 1.5rem;
    }
    
    .detailed-purpose-card blockquote {
        font-size: 1.1rem;
    }
}/* Aur
ora Presentations Section */
.aurora-presentations-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    text-align: center;
}

.aurora-presentations-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.aurora-presentations-header h2 i {
    color: #667eea;
    margin-right: 1rem;
}

.aurora-presentations-subtitle {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.aurora-presentations-description {
    max-width: 800px;
    margin: 0 auto;
}

.aurora-presentations-main {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.aurora-presentations-quote {
    font-size: 1.8rem;
    font-weight: 600;
    font-style: italic;
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid #667eea;
    backdrop-filter: blur(10px);
}

/* India Presentations Section */
.india-presentations-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #ff9933 0%, #138808 50%, #000080 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.india-presentations-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1;
}

.india-presentations-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.india-presentations-flag {
    font-size: 4rem;
    margin-bottom: 2rem;
    color: #fff;
}

.india-presentations-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.india-presentations-tagline {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    font-style: italic;
}

.india-presentations-description {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #000000;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
    font-weight: 600;
    background: rgba(255, 255, 255, 0.9);
    padding: 1rem 2rem;
    border-radius: 10px;
    display: inline-block;
}

/* Responsive Design for Presentations Sections */
@media (max-width: 768px) {
    .aurora-presentations-header h2 {
        font-size: 2rem;
    }
    
    .aurora-presentations-quote {
        font-size: 1.4rem;
        padding: 1.5rem;
    }
    
    .india-presentations-content h2 {
        font-size: 2rem;
    }
    
    .india-presentations-tagline {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .aurora-presentations-section,
    .india-presentations-section {
        padding: 60px 0;
    }
    
    .aurora-presentations-header h2 {
        font-size: 1.8rem;
    }
    
    .aurora-presentations-quote {
        font-size: 1.2rem;
    }
    
    .india-presentations-content h2 {
        font-size: 1.8rem;
    }
    
    .india-presentations-flag {
        font-size: 3rem;
    }
}