.section-header {
    padding: 50px 0;
}

.category-header {
    padding: 100px 0;
}

.search-header {
    padding: 50px 0;
}

.section-subtitle {
    padding-bottom: 50px;
}

.center-btn {
    padding: 50px 0;
    text-align: center;
}

.back-navigation {
    padding: 50px 0;
}

.latest-videos,
.categories-archive,
.sub-categories-section {
    text-align: center;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.video-grid.single-result {
    display: flex;
    justify-content: center;
    grid-template-columns: none;
    padding-bottom: 50px;
}

.video-grid.single-result .video-item {
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
}

.video-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.category-tag {
    display: block;
    margin-bottom: 8px;
}

.category-tag a {
    display: inline-block;
    color: #888888 !important;
    font-family: 'Raleway', sans-serif;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1.2px;
    text-decoration: none;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

.category-tag a:hover {
    transform: none;
    background: none !important;
    color: #333333 !important;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    padding: 0 0 100px;
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 20px;
    background: var(--white);
    box-shadow: var(--card-shadow);
    padding: 40px 20px;
    text-align: center;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.category-card i {
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 40px;
}

.category-card h2 {
    margin-bottom: 10px;
    color: var(--text-color);
    font-size: 24px;
}

.category-card p {
    margin-bottom: 20px;
    color: #888;
    font-size: 16px;
}

.category-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--card-shadow-hover);
}

.category-card:hover h2 {
    color: var(--primary-color);
}

#backToTop {
    position: fixed;
    right: 30px;
    bottom: 30px;
    z-index: 99;
    display: none;
    width: 50px;
    height: 50px;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 50%;
    background-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    color: var(--white);
    cursor: pointer;
    font-size: 20px;
    transition: all 0.3s ease;
}

#backToTop:hover {
    transform: translateY(-5px) scale(1.1);
    background-color: var(--primary-hover);
}

@media (max-width: 768px) {
    .latest-videos {
        padding: 50px 15px 30px;
    }

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

    .video {
        position: relative;
        height: 0;
        padding-bottom: 56.25%;
    }

    .video iframe {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}