html {
    scroll-behavior: smooth;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
    background-color: #000000;
}

header {
    background: #000000;
    color: white;
    padding: 1.5rem 1rem 0.5rem;
    text-align: center;
    border-bottom: 1px solid #333;
}

header h1 {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: 0.3rem;
}

.tagline {
    font-size: 1.2rem;
    color: #888;
    font-weight: 300;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 1rem 0;
}

nav a {
    color: #888;
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 300;
    letter-spacing: 1px;
    padding: 0.5rem 1rem;
    border-bottom: 2px solid transparent;
}

nav a:hover {
    color: #ffffff;
    border-bottom-color: #ffffff;
}

nav a.active {
    color: #ffffff;
    border-bottom-color: #ffffff;
}

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

.hero {
    text-align: center;
    background: #000000;
    padding: 3rem 2rem;
    margin-bottom: 3rem;
}

.hero h2 {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 2rem;
    color: #ffffff;
    letter-spacing: 1px;
}

.lead {
    font-size: 1.3rem;
    line-height: 1.8;
    color: #b0b0b0;
    font-weight: 300;
    margin-bottom: 2rem;
}

.content {
    background: #0a0a0a;
    padding: 1rem 1rem;
    border: 1px solid #1a1a1a;
    margin-bottom: 3rem;
}

.content h2 {
    color: #ffffff;
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 2rem;
    letter-spacing: 1px;
}

.content h3 {
    color: #ffffff;
    font-size: 1.8rem;
    font-weight: 300;
    margin: 2rem 0 1rem 0;
    letter-spacing: 1px;
}

.content h4 {
    color: #cccccc;
    font-weight: 400;
    margin-bottom: 0.5rem;
}

.pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.pillar {
    padding: 2rem;
    background: #000000;
    border: 1px solid #333;
    text-align: center;
}

.pillar h3 {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 1rem;
    color: #ffffff;
}

.pillar p {
    color: #888;
    font-weight: 300;
}

.principle {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #000000;
    border-left: 2px solid #ffffff;
}

.principle h3 {
    margin-top: 0;
}

.principle p {
    color: #b0b0b0;
    font-weight: 300;
}

.principle ul {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
}

.principle li {
    color: #b0b0b0;
    font-weight: 300;
    padding: 0.5rem 0;
    border-left: 2px solid #333;
    padding-left: 1rem;
    margin: 0.5rem 0;
}

.content ul {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
}

.content li {
    color: #b0b0b0;
    font-weight: 300;
    padding: 0.5rem 0;
    border-left: 2px solid #333;
    padding-left: 1rem;
    margin: 0.5rem 0;
}

.timeline-item {
    margin: 1.5rem 0;
    padding: 1.5rem;
    background: #000000;
    border-left: 2px solid #ffffff;
}

.timeline-item h4 {
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.timeline-item p,
.timeline-item li {
    color: #b0b0b0;
    font-weight: 300;
}

.videos {
    display: grid;
    gap: 2rem;
}

.video-item {
    background: #0a0a0a;
    padding: 2rem;
    border: 1px solid #1a1a1a;
}

.video-item h3 {
    color: #ffffff;
    margin-bottom: 1rem;
    font-weight: 300;
}

.video-item video,
.video-item iframe {
    border: 1px solid #333;
    margin-bottom: 1rem;
}

.video-item p {
    color: #888;
    font-weight: 300;
}

footer {
    background: #000000;
    color: #888;
    text-align: center;
    padding: 3rem 2rem;
    margin-top: 3rem;
    border-top: 1px solid #333;
}

footer p {
    margin: 0.5rem 0;
    font-weight: 300;
}

footer .links a {
    color: #888;
    text-decoration: none;
    transition: color 0.3s;
}

footer .links a:hover {
    color: #ffffff;
}

.section-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.section-link {
    display: block;
    padding: 1rem;
    background: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    text-align: center;
    transition: background 0.3s;
}

.section-link:hover {
    background: #2980b9;
}

.timeline-item ul {
    margin-left: 1rem;
}

.timeline-item li {
    margin: 0.5rem 0;
}
.section-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.section-link {
    display: block;
    padding: 1rem;
    background: #000000;
    color: #888;
    text-decoration: none;
    border: 1px solid #333;
    text-align: center;
    transition: all 0.3s;
    font-weight: 300;
    letter-spacing: 1px;
}

.section-link:hover {
    background: #1a1a1a;
    color: #ffffff;
    border-color: #ffffff;
}

.timeline-item ul {
    margin-left: 1rem;
}

.timeline-item li {
    margin: 0.5rem 0;
}

.era-section {
    margin: 2rem 0;
}

.era-section h3 {
    color: #ffffff;
    font-size: 1.8rem;
    font-weight: 300;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #333;
}

.timeline-list {
    list-style: none;
    padding: 0;
}

.timeline-list li {
    margin: 0.8rem 0;
    padding: 1rem;
    background: #000000;
    border-left: 2px solid #ffffff;
    color: #b0b0b0;
    font-weight: 300;
}

.slide-highlight {
    margin: 2rem 0;
    text-align: center;
}

.slide-highlight img {
    max-width: 100%;
    height: auto;
    border: 1px solid #333;
}
/* Carousel Styles */
.carousel {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
    border: 1px solid #333;
    touch-action: pan-y;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 600px;
    background: #000000;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000000;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.1);
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
    padding: 15px 20px;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s;
    z-index: 10;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.carousel-btn:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.5);
}

.carousel-btn.prev {
    left: 10px;
}

.carousel-btn.next {
    right: 10px;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    .tagline {
        font-size: 1rem;
    }
    
    nav {
        gap: 1rem;
        flex-wrap: wrap;
    }
    
    nav a {
        font-size: 0.9rem;
        padding: 0.4rem 0.8rem;
    }
    
    main {
        padding: 1rem;
    }
    
    .hero {
        padding: 2rem 1rem;
    }
    
    .content {
        padding: 2rem 1rem;
        margin-bottom: 2rem;
    }
    
    .content h2 {
        font-size: 2rem;
    }
    
    .timeline-item {
        margin: 1rem 0;
        padding: 1rem;
    }
    
    .carousel {
        margin: 0;
    }
    
    .carousel-container {
        height: 400px;
    }
    
    .carousel-btn {
        padding: 10px 15px;
        font-size: 16px;
    }
    
    .carousel-btn.prev {
        left: 5px;
    }
    
    .carousel-btn.next {
        right: 5px;
    }
}