@media (max-width: 768px) {
    /* ============================================
       HERO VISUALS - MOBILE OPTIMIZED
       3D Küp videosu profesyonel görünüm
       ============================================ */
    body[data-page="home"] .hero-visuals {
        display: flex;
        align-items: center;
        justify-content: center;
        height: auto;
        min-height: 280px;
        max-height: 45vh;
        margin-top: 0;
        padding: 0;
        overflow: visible; /* Küp tam görünsün */
        background: transparent;
    }

    body[data-page="home"] .hero-cube-video,
    body[data-page="home"] #hero-cube-video,
    body[data-page="home"] video.hero-cube-video {
        width: 100%;
        max-width: 100%;
        height: auto;
        min-height: 240px;
        max-height: 40vh;
        object-fit: contain; /* cover yerine contain - küp kesilmesin */
        object-position: center center;
        transform: none;
        margin: 0 auto;
        display: block;
        
        /* Performance optimizations */
        will-change: auto; /* GPU hızlandırma */
        transform: translateZ(0); /* Hardware acceleration */
        -webkit-transform: translateZ(0);
        backface-visibility: hidden;
        -webkit-backface-visibility: hidden;
    }

    /* Poster/fallback image için aynı stiller */
    body[data-page="home"] .hero-video-poster,
    body[data-page="home"] .hero-video-poster img {
        width: 100%;
        height: auto;
        max-height: 40vh;
        object-fit: contain;
        object-position: center center;
    }
}

/* 480px ve altı - daha kompakt görünüm */
@media (max-width: 480px) {
    body[data-page="home"] .hero-visuals {
        min-height: 220px;
        max-height: 38vh;
    }

    body[data-page="home"] .hero-cube-video,
    body[data-page="home"] #hero-cube-video,
    body[data-page="home"] video.hero-cube-video {
        min-height: 200px;
        max-height: 35vh;
    }
}