.history-hero {
    height: 60vh;
    background: linear-gradient(rgba(38, 0, 255, 0.6), rgba(5, 0, 36, 0.829)),
                url('../images/history/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
}

.main-nav{
    background-color: rgb(0, 0, 0);
    height: 20px;
}

.animate-title {
    font-size: 3.5rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUpIn 1s ease forwards;
}
.era-content h3,
.era-content p,
.era-content li,
.news-content .news-tags,
.news-content h3,
.news-content p,
.news-content li,
.data-card h3,
.data-card p,
.data-card li {
    color: #000000 !important;
}
/* Timeline Section Styles */
.timeline-section {
    background: #f8f9fa;
    color: #000;
    padding: 4rem 0;
}

.timeline-container {
    overflow-x: auto;
    padding: 2rem 0;
    margin: 2rem 0;
}

.timeline-track {
    display: flex;
    gap: 2rem;
    padding: 0 2rem;
    min-width: max-content;
}

.era-scroll {
    position: relative;
    padding: 2rem 0;
    margin: 2rem 0;
}

.era-container {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 1rem 2rem;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.era-container::-webkit-scrollbar {
    display: none;
}

#eras-text-1{
    text-align: center;
    color: rgb(255, 255, 255);
    padding: 10px;
}

#eras-text-2{
    text-align: center;
    color: black;
    padding: 10px;
}

.era-card {
    flex: 0 0 300px;
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.era-card:hover {
    transform: translateY(-10px);
}

.era-image {
    height: 200px;
    overflow: hidden;
}

.era-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.era-card:hover .era-image img {
    transform: scale(1.1);
}

.era-years {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.era-content {
    padding: 1.5rem;
}

.scroll-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.5);
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.scroll-btn:hover {
    background: rgba(0,0,0,0.8);
}

.scroll-btn.left {
    left: 1rem;
}

.scroll-btn.right {
    right: 1rem;
}

.news-section {
    padding: 4rem 2rem;
    background: #f8f9fa;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.news-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
}

.news-image {
    height: 200px;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-content {
    padding: 1.5rem;
}

.news-date {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

/* Add these styles for data visualization cards */
.data-section {
    background: #f8f9fa;
    padding: 4rem 2rem;
}

.chart-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.data-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    height: 400px;
    display: flex;
    flex-direction: column;
}

.data-card:hover {
    transform: translateY(-5px);
}

.data-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.data-card h3 {
    color: var(--text-color);
    margin: 0;
}

.data-controls {
    display: flex;
    gap: 0.5rem;
}

.data-controls button {
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.data-controls button:hover {
    background: #f0f0f0;
    color: var(--primary-color);
}

.data-card canvas {
    flex-grow: 1;
    width: 100% !important;
    height: auto !important;
}

@media (max-width: 768px) {
    .animate-title {
        font-size: 2.5rem;
    }

    .timeline-track {
        padding: 0 1rem;
    }

    .era-card {
        flex: 0 0 250px;
    }

    .era-image {
        height: 160px;
    }

    .era-content {
        padding: 1rem;
    }

    .era-content h3 {
        font-size: 1.3rem;
    }

    .scroll-btn {
        display: none;
    }

    .chart-grid {
        grid-template-columns: 1fr;
    }

    .data-card {
        height: 350px;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }
}