:root {
    --primary-color: rgb(44, 76, 80);
    --secondary-color: #19beb5;
    --accent-color: #e74c3c;
}

.header-banner {
    background-color: var(--primary-color);
    color: white;
    padding: 40px 0;
    margin-bottom: 40px;
}

.speakers-section {
    background-color: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    margin: 30px 0;
}

.speaker-card {
    border: none;
   
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    height: 100%;
    margin-bottom: 30px;
    background: #f8f9fa;
}

.speaker-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.speaker-img-container {
    height: 250px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #012251;
}

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

.speaker-card:hover .speaker-img {
    transform: scale(1.05);
}

.speaker-body {
    padding: 20px;
    text-align: center;
}

.speaker-name {
    color: #012251;
    font-weight: 700;
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.speaker-title {
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.speaker-country {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    color: #666;
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.speaker-bio {
    color: #555;
    font-size: 0.9rem;
    margin-bottom: 15px;
    text-align: justify;
}


.social-link {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    background-color: #012251;
    transition: all 0.3s ease;
}

.social-link:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

.section-title {
    color: #012251;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--secondary-color);
}

.keynote-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--accent-color);
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 2;
}

/* Modal styles */
.speaker-modal .modal-dialog {
    max-width: 800px;
}

.speaker-modal .modal-header {
    border-bottom: none;
    padding-bottom: 0;
}

.speaker-modal .modal-title {
    color: #012251;
    font-weight: 700;
}

.speaker-modal .modal-subtitle {
    color: var(--secondary-color);
    font-weight: 600;
}

.speaker-modal .modal-body {
    padding-top: 0;
}

.speaker-modal-img {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 20px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .speaker-img-container {
        height: 200px;
    }
    
    .speaker-name {
        font-size: 1.1rem;
    }
}