* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.navbar {
    background-color: white;
    color: black;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: black;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: black;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.nav-link:hover {
    color: #3498db;
    background-color: rgba(0, 0, 0, 0.05);
}

.nav-link.active {
    color: #3498db;
    background-color: rgba(0, 0, 0, 0.05);
}

.main-content {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.section {
    background-color: white;
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.section-title {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    border-bottom: 3px solid #3498db;
    padding-bottom: 0.5rem;
}

.section-content {
    color: #555;
    line-height: 1.8;
}

.section-content p {
    margin-bottom: 1rem;
}

.carousel-container {
    position: relative;
    padding: 1rem 0;
}

.carousel-track {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: 0 3rem;
    scrollbar-width: none;
}

.carousel-track::-webkit-scrollbar {
    display: none;
}

.timeline-item {
    flex: 0 0 auto;
    min-width: 300px;
    max-width: 300px;
    background-color: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #3498db;
    scroll-snap-align: start;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: #3498db;
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease, transform 0.3s ease;
    z-index: 10;
}

.carousel-arrow:hover {
    background-color: #2980b9;
    transform: translateY(-50%) scale(1.1);
}

.carousel-arrow:active {
    transform: translateY(-50%) scale(0.95);
}

.carousel-arrow-left {
    left: 0;
}

.carousel-arrow-right {
    right: 0;
}

.timeline-date {
    color: #3498db;
    font-weight: bold;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.timeline-content h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: #555;
    line-height: 1.6;
}

.about-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.about-item {
    background-color: #f8f9fa;
    padding: 1.5rem;
    border-radius: 6px;
    border-left: 4px solid #3498db;
}

.about-item h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.about-item p {
    color: #555;
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu {
        gap: 1rem;
    }
    
    .about-info {
        grid-template-columns: 1fr;
    }
    
    .carousel-arrow {
        display: none;
    }
    
    .carousel-track {
        padding: 0 2rem;
    }
    
    .timeline-item {
        min-width: 280px;
        max-width: 280px;
    }
}