section { padding: 80px 0; }
        .section-tag { font-family: var(--font-elegant); font-size: 13px; letter-spacing: 4px; text-transform: uppercase; color: var(--accent); display: block; margin-bottom: 10px; font-weight: 600; }
        .section-title { font-family: var(--font-display); font-size: clamp(28px, 3.5vw, 44px); color: var(--text-dark); font-weight: 700; line-height: 1.15; margin-bottom: 16px; }
        .section-divider { width: 52px; height: 3px; background: linear-gradient(90deg, var(--accent), var(--accent-light)); border-radius: 3px; margin: 14px auto 28px; }

        /* Category filter */
        .filter-tabs { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 40px; }
        .filter-btn { background: var(--white); border: 1.5px solid rgba(27,67,50,0.15); color: var(--text-body); padding: 9px 22px; border-radius: 50px; font-size: 14px; font-weight: 500; cursor: pointer; transition: var(--transition); font-family: var(--font-body); }
        .filter-btn:hover, .filter-btn.active { background: var(--primary); border-color: var(--primary); color: var(--white); }

        /* Featured video */
        .featured-video-wrap { border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-soft); aspect-ratio: 16/9; margin-bottom: 16px; }
        .featured-video-wrap iframe { width: 100%; height: 100%; border: none; display: block; }
        .featured-label { font-family: var(--font-display); font-size: 20px; color: var(--text-dark); font-weight: 700; margin-bottom: 6px; }
        .featured-meta { font-size: 13px; color: var(--text-muted); display: flex; gap: 16px; flex-wrap: wrap; }
        .featured-meta span { display: flex; align-items: center; gap: 5px; }

        /* Video card */
        .video-card { background: var(--white); border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-card); transition: var(--transition); height: 100%; display: flex; flex-direction: column; }
        .video-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(27,67,50,0.15); }
        .video-thumb { position: relative; aspect-ratio: 16/9; overflow: hidden; }
        .video-thumb iframe { width: 100%; height: 100%; border: none; display: block; }
        .video-thumb-img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.5s ease; }
        .video-card:hover .video-thumb-img { transform: scale(1.06); }
        .play-overlay-sm { position: absolute; inset: 0; background: rgba(13,43,29,0.45); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.3s ease; cursor: pointer; }
        .video-card:hover .play-overlay-sm { opacity: 1; }
        .play-btn-sm { width: 52px; height: 52px; background: var(--accent); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--white); font-size: 18px; padding-left: 4px; box-shadow: 0 6px 20px rgba(212,160,23,0.5); }
        .video-cat-badge { position: absolute; top: 12px; left: 12px; background: var(--primary); color: var(--white); font-size: 10px; font-weight: 700; padding: 4px 10px; border-radius: 20px; letter-spacing: 1px; text-transform: uppercase; }
        .video-body { padding: 18px; flex: 1; display: flex; flex-direction: column; }
        .video-title { font-family: var(--font-display); font-size: 16px; color: var(--text-dark); font-weight: 600; margin-bottom: 8px; line-height: 1.4; }
        .video-desc { font-size: 13px; color: var(--text-muted); line-height: 1.7; flex: 1; margin-bottom: 12px; }
        .video-meta { font-size: 12px; color: var(--text-muted); display: flex; gap: 12px; margin-top: auto; padding-top: 12px; border-top: 1px solid rgba(27,67,50,0.06); }
        .video-meta span { display: flex; align-items: center; gap: 5px; }
        .video-meta i { color: var(--accent); }

        /* Playlist section */
        .playlist-item { display: flex; gap: 14px; align-items: flex-start; padding: 14px; border-radius: 12px; transition: var(--transition); cursor: pointer; border: 1px solid transparent; }
        .playlist-item:hover, .playlist-item.active { background: var(--white); border-color: rgba(27,67,50,0.1); box-shadow: var(--shadow-card); }
        .playlist-thumb { width: 110px; height: 65px; border-radius: 8px; overflow: hidden; flex-shrink: 0; position: relative; }
        .playlist-thumb img { width: 100%; height: 100%; object-fit: cover; }
        .playlist-play { position: absolute; inset: 0; background: rgba(0,0,0,0.35); display: flex; align-items: center; justify-content: center; }
        .playlist-play i { color: var(--white); font-size: 16px; }
        .playlist-info h5 { font-family: var(--font-display); font-size: 14px; color: var(--text-dark); font-weight: 600; margin-bottom: 4px; line-height: 1.35; }
        .playlist-info span { font-size: 12px; color: var(--text-muted); }
        .playlist-num { font-size: 12px; font-weight: 700; color: var(--text-muted); min-width: 20px; }
        .playlist-item.active .playlist-info h5 { color: var(--primary); }
        .playlist-item.active .playlist-num { color: var(--accent); }