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

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 255, 255, 0.3);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 255, 255, 0.1);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    font-size: 2rem;
    font-weight: bold;
    color: #00ffff;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
    letter-spacing: 2px;
}

/* Navigation Styles */
.navbar {
    flex: 1;
    text-align: center;
}

.nav-list {
    display: inline-flex;
    list-style: none;
    gap: 30px;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.nav-link:hover {
    color: #00ffff;
    background: rgba(0, 255, 255, 0.1);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
}

.nav-link:hover::before {
    left: 100%;
}

/* Main Content */
.main {
    margin-top: 80px;
}

/* Video Section */
.video-section {
    padding: 60px 0;
    border-bottom: 1px solid rgba(0, 255, 255, 0.1);
}

.video-section:nth-child(even) {
    background: rgba(26, 26, 46, 0.3);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: #00ffff;
    margin-bottom: 40px;
    text-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
    letter-spacing: 3px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #00ffff, transparent);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

/* Video Grid */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.video-card {
    background: rgba(10, 10, 10, 0.7);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
    backdrop-filter: blur(5px);
}

.video-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #00ffff, #ff00ff);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 255, 255, 0.3);
    border-color: #00ffff;
}

.video-card:hover::before {
    transform: scaleX(1);
}

/* Video Thumbnail */
.video-thumbnail {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    overflow: hidden;
}

.video-thumbnail::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.video-card:hover .video-thumbnail::after {
    background: rgba(0, 0, 0, 0.1);
}

.play-btn {
    font-size: 3rem;
    color: #00ffff;
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.8);
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
    opacity: 0.7;
}

.video-card:hover .play-btn {
    transform: scale(1.2);
    opacity: 1;
    text-shadow: 0 0 30px rgba(0, 255, 255, 1);
}

/* Video Info */
.video-title {
    font-size: 1.2rem;
    color: #00ffff;
    margin: 15px;
    font-weight: 600;
    line-height: 1.4;
}

.video-desc {
    font-size: 0.95rem;
    color: #cccccc;
    margin: 0 15px 20px;
    line-height: 1.6;
}

/* Footer Styles */
.footer {
    background: rgba(10, 10, 10, 0.95);
    border-top: 1px solid rgba(0, 255, 255, 0.3);
    padding: 40px 0 20px;
    margin-top: 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-info h3 {
    color: #00ffff;
    font-size: 1.5rem;
    margin-bottom: 15px;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.footer-info p {
    color: #cccccc;
    line-height: 1.6;
}

.footer-links h4,
.footer-contact h4 {
    color: #00ffff;
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

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

.footer-links a:hover {
    color: #00ffff;
    padding-left: 5px;
}

.footer-contact p {
    color: #cccccc;
    margin-bottom: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 255, 255, 0.2);
    color: #999999;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(10, 10, 10, 0.5);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #00ffff, #16213e);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #00ffff, #1a1a2e);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

/* Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.video-card {
    animation: fadeInUp 0.6s ease forwards;
}

.video-card:nth-child(1) { animation-delay: 0.1s; }
.video-card:nth-child(2) { animation-delay: 0.2s; }
.video-card:nth-child(3) { animation-delay: 0.3s; }
.video-card:nth-child(4) { animation-delay: 0.4s; }
.video-card:nth-child(5) { animation-delay: 0.5s; }
.video-card:nth-child(6) { animation-delay: 0.6s; }

/* Responsive Design */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 15px;
    }

    .nav-list {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .logo {
        font-size: 1.5rem;
    }

    .nav-link {
        font-size: 1rem;
        padding: 6px 12px;
    }

    .section-title {
        font-size: 2rem;
    }

    .video-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .video-section {
        padding: 40px 0;
    }
}

@media (max-width: 480px) {
    .container {
        width: 95%;
        padding: 0 10px;
    }

    .logo {
        font-size: 1.2rem;
    }

    .nav-list {
        gap: 10px;
    }

    .nav-link {
        font-size: 0.9rem;
        padding: 5px 10px;
    }

    .section-title {
        font-size: 1.5rem;
    }
}