/* TEDx specific styles */
.tedx-hero {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-dark) 100%);
    color: white;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.tedx-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><polygon fill="rgba(184,115,51,0.1)" points="50,0 93.3,25 93.3,75 50,100 6.7,75 6.7,25"/></svg>') repeat;
    background-size: 150px 150px;
    animation: tedxPattern 30s linear infinite;
}

@keyframes tedxPattern {
    0% { transform: translateX(0) translateY(0) rotate(0deg); opacity: 0.6; }
    100% { transform: translateX(-150px) translateY(-150px) rotate(360deg); opacity: 0.6; }
}

.tedx-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.talk-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.talk-subtitle {
    color: var(--accent-copper-light);
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

.speaker-intro {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.cta-button:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.featured-image-section {
    padding: 60px 0;
    background: white;
    text-align: center;
}

.video-section {
    padding: 80px 0;
    background: var(--bg-cream);
}

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

.video-section h2 {
    color: var(--primary-navy);
    margin-bottom: 1rem;
}

.video-section .subtitle {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
}

.video-wrapper {
    position: relative;
    width: 100%;
    height: 500px;
    background: linear-gradient(45deg, var(--primary-navy), var(--accent-copper));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    overflow: hidden;
}

.video-placeholder {
    text-align: center;
    color: white;
}

.video-placeholder h3 {
    margin-bottom: 0.5rem;
}

.video-placeholder p {
    opacity: 0.8;
}

.play-button {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-navy);
    font-size: 2.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
    margin-left: auto;
    margin-right: auto;
}

.play-button:hover {
    transform: scale(1.1);
    background: white;
}

.video-caption {
    color: var(--text-gray);
    font-style: italic;
}

.key-insights-section {
    padding: 80px 0;
    background: white;
}

.key-insights-section h2 {
    text-align: center;
    color: var(--primary-navy);
    margin-bottom: 1rem;
}

.key-insights-section .subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto;
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.insight-card {
    background: var(--bg-cream);
    padding: 2rem;
    border-radius: 15px;
    border-left: 5px solid var(--accent-copper);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.insight-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.insight-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, var(--accent-copper), var(--accent-copper-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: white;
}

.photo-gallery-section {
    padding: 80px 0;
    background: var(--bg-cream);
}

.photo-gallery-section h2 {
    text-align: center;
    color: var(--primary-navy);
    margin-bottom: 1rem;
}

.photo-gallery-section .subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 3rem;
}

.gallery-item {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.gallery-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.about-talk-section {
    padding: 80px 0;
    background: white;
}

.about-talk-section h2 {
    color: var(--primary-navy);
    margin-bottom: 2rem;
}

.about-talk-section p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.talk-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.talk-highlights {
    background: var(--bg-cream);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.talk-highlights h3 {
    color: var(--primary-navy);
    margin-bottom: 1.5rem;
}

.highlight-list {
    list-style: none;
    padding: 0;
    margin-top: 1.5rem;
}

.highlight-list li {
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    font-size: 1.05rem;
}

.highlight-list li::before {
    content: '◇';
    margin-right: 0.75rem;
    font-size: 1.1rem;
    margin-top: 0.1rem;
}

.featured-image {
    width: 100%;
    max-width: 600px;
    margin: 2rem auto;
    display: block;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--accent-copper) 0%, var(--accent-copper-dark) 100%);
    color: white;
    text-align: center;
}

.cta-section h2 {
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

@media (max-width: 768px) {
    .talk-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .video-wrapper {
        height: 300px;
    }
    
    .play-button {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .gallery-item img {
        height: 150px;
    }
}
/* Mobile essentials */
@media (max-width: 768px) {
    body {
        overflow-x: hidden;
    }
    
    .container, * {
        max-width: 100%;
        box-sizing: border-box;
    }
    
    /* Touch targets */
    a, button, .cta-button, .btn-primary, .btn-secondary {
        min-height: 44px;
        padding: 0.75rem 1rem;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    section {
        padding: 3rem 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    section {
        padding: 2rem 0;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero-title, h1 {
        font-size: 2rem;
    }
}

@media (max-width: 375px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .hero-title, h1 {
        font-size: 1.75rem;
    }
}