* {
    --main-color: #000366;
    --secondary-color: #011899;
}
.text-sec {
    color: var(--secondary-color);
}
.bg-sec {
    background-color: var(--main-color);
}
.text-bold {
    font-weight: bold;
}
.hero-section {
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/bg.jpg');
    background-size: cover;
    background-position: center;
    height: 70vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
}
.hero-section h1 {
    font-size: 3.5rem;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}
.hero-section .btn {
    margin-top: 20px;
    padding: 10px 30px;
    font-size: 1.2rem;
}
.timeline-section {
    padding: 80px 0;
}
.flyer-container, .timeline-container {
    min-height: 100%;
}
.flyer-wrapper {
    background-color: #fff;
    border: 2px solid #007bff;
    border-radius: 5px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}
.flyer-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 5px;
}
.timeline {
    position: relative;
    padding-left: 20px;
}
.timeline-item {
    position: relative;
}
.timeline-dot {
    position: absolute;
    left: -30px;
    top: 15px;
    width: 12px;
    height: 12px;
    background-color: #007bff;
    border-radius: 50%;
    z-index: 1;
}
.timeline-item .bg-active {
    background-color: #007bff;
    border-radius: 8px;
}
.timeline-line {
    position: absolute;
    left: -25px;
    top: 0;
    height: 100%;
    width: 2px;
    background-color: #007bff;
    z-index: 0;
}
.card {
    border-left: 4px solid #007bff;
    transition: transform 0.3s ease;
}
.card:hover {
    transform: translateX(10px);
}
.card-body {
    padding: 15px;
}
.card-title {
    font-size: 1.1rem;
}
.card-text {
    font-size: 0.9rem;
}
@media (max-width: 768px) {
    .row {
        flex-direction: column;
        align-items: center;
    }
    .col-md-4, .col-md-7 {
        width: 100% !important;
    }
    .timeline {
        padding-left: 0;
    }
    .timeline-dot {
        left: 10px;
    }
    .timeline-line {
        left: 15px;
    }
    .card {
        border-left: none;
        border-top: 4px solid #007bff;
    }
    .flyer-wrapper {
        height: 400px; /* Fixed height for mobile */
    }
}
.speakers-section {
    padding: 80px 0;
}
.card {
    background-color: #fff;
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}
.speaker-image {
    width: 150px;
    height: 150px;
    margin: 0 auto;
    overflow: hidden;
    border: 3px solid #007bff;
    border-radius: 50%;
    transition: border-color 0.3s ease;
}
.card:hover .speaker-image {
    border-color: #0056b3;
}
.speaker-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.card-title {
    font-size: 1.25rem;
}
.card-text {
    font-size: 0.95rem;
}
@media (max-width: 767px) {
    .speaker-image {
        width: 120px;
        height: 120px;
    }
    .card-title {
        font-size: 1.15rem;
    }
    .card-text {
        font-size: 0.9rem;
    }
}

.rec-it {
    background: linear-gradient(rgba(0, 123, 255, 0.7), rgba(0, 123, 255, 0.7)), url('https://images.unsplash.com/photo-1516321318423-f06f85e504b3?ixlib=rb-4.0.3&auto=format&fit=crop&w=200&q=60') center/cover no-repeat;
}
.rec-business {
    background: linear-gradient(rgba(40, 167, 69, 0.7), rgba(40, 167, 69, 0.7)), url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?ixlib=rb-4.0.3&auto=format&fit=crop&w=200&q=60') center/cover no-repeat;
}
.rec-eee {
    background: linear-gradient(rgba(0, 123, 255, 0.7), rgba(0, 123, 255, 0.7)), url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?ixlib=rb-4.0.3&auto=format&fit=crop&w=200&q=60') center/cover no-repeat;
}
.rec-hss {
    background: linear-gradient(rgba(40, 167, 69, 0.7), rgba(40, 167, 69, 0.7)), url('https://images.unsplash.com/photo-1523240795612-9a054b0db644?ixlib=rb-4.0.3&auto=format&fit=crop&w=200&q=60') center/cover no-repeat;
}