.spinner {
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid #fff;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.hero-video-container video,
.video-slider-container video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    z-index: -1;
    transition: opacity 1s ease-in-out;
    opacity: 0;
}

.hero-video-container.active video,
.video-slider-container.active video {
    opacity: 1;
}

#hero-video-container-1, #hero-video-container-2, #hero-video-container-3 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.video-slider-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.video-slider-container {
    opacity: 0;
}

.video-slider-container.active {
    opacity: 1;
}

.thumbnail-btn.active {
    border-color: #f50b0b;
}

.thumbnail-btn.active .overlay {
    opacity: 0;
}

.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-on-scroll.in-view {
    opacity: 1;
    transform: translateY(0);
}

.card-hover-effect:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.card-hover-effect {
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.text-hidden {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.text-hidden.in-view {
    opacity: 1;
    transform: translateX(0);
}

.pv-text {
    font-size: 15vw;
    font-weight: 800;
    color: #d1d5db;
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    z-index: 0;
    opacity: 0.5;
    line-height: 1;
    white-space: nowrap;
}

.bg-dots {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(#d1d5db 1px, transparent 1px);
    background-size: 8px 8px;
    opacity: 0.4;
}

.car-video-container .video-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.car-video-container .video-wrapper.active {
    opacity: 1;
}

.car-video {
    object-fit: cover;
    width: 100%;
    height: 100%;
}

.car-nav-button {
    background-color: transparent;
    color: #333;
    border: 2px solid transparent;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.car-nav-button.active {
    background-color: #fff0f0;
    color: #000000;
    font-weight: bold;
    border-color: #ff0000;
}

.nav-dot-tooltip {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    white-space: nowrap;
    background-color: #333;
    color: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.nav-dot:hover .nav-dot-tooltip {
    opacity: 1;
    visibility: visible;
}