* { margin: 0; padding: 0; box-sizing: border-box; }
body, html { width: 100%; height: 100%; background: #000; overflow: hidden; font-family: sans-serif; }

.video-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    cursor: pointer;
}

video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 1;
}

.play-overlay {
    position: absolute;
    inset: 0;
    z-index: 10;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.3s ease;
}

.start-btn {
    background: #fff;
    border: none;
    padding: 20px 40px;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: bold;
    pointer-events: none;
}

/* Shared control button styling */
.control-btn {
    position: absolute;
    z-index: 20;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid #fff;
    background-color: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    backdrop-filter: blur(5px);
    display: none; /* Hidden until video starts */
    color: white;
    font-weight: bold;
    font-size: 10px;
    text-transform: uppercase;
}

#soundToggle {
    bottom: 30px;
    right: 30px;
    background-image: url('image_30b97c.png');
    background-repeat: no-repeat;
    background-size: 200% 100%;
}

#fullscreenBtn {
    bottom: 30px;
    right: 100px; /* Positioned next to the sound button */
    display: none;
    align-items: center;
    justify-content: center;
}

.unmuted { background-position: left center !important; }
.muted { background-position: right center !important; }
.hidden { opacity: 0; pointer-events: none; }