/* =====================================================
   BMS MOTORS RIVIERA - Premium Showroom Carousel
   Aesthetic: Luxury Automotive Showroom Experience
   ===================================================== */

/* Container principal */
.showroom-carousel {
    position: relative;
    width: 100%;
    height: clamp(400px, 60vh, 700px);
    overflow: hidden;
    border-radius: 20px;
    background: linear-gradient(145deg, #0a0a0c 0%, #141418 100%);
    box-shadow: 
        0 25px 80px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    margin: 40px 0;
}

/* Effet de lumière ambiante premium */
.showroom-carousel::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        ellipse at 30% 20%,
        rgba(201, 169, 98, 0.08) 0%,
        transparent 50%
    );
    pointer-events: none;
    z-index: 1;
    animation: ambientGlow 8s ease-in-out infinite alternate;
}

@keyframes ambientGlow {
    0% { transform: translate(0, 0) scale(1); opacity: 0.5; }
    100% { transform: translate(5%, 5%) scale(1.1); opacity: 0.8; }
}

/* Track des slides */
.carousel-track {
    position: relative;
    width: 100%;
    height: 100%;
}

/* Slide individuel */
.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1),
                visibility 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.carousel-slide.prev {
    opacity: 0;
    visibility: visible;
    z-index: 1;
}

/* Image avec effet Ken Burns cinématique */
.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transform: scale(1);
    transition: transform 8s cubic-bezier(0.25, 0.1, 0.25, 1);
    filter: brightness(0.9) contrast(1.05) saturate(1.1);
}

.carousel-slide.active img {
    transform: scale(1.08);
    animation: kenBurns 8s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

@keyframes kenBurns {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.1) translate(-1%, -1%); }
}

/* Overlay gradient premium */
.carousel-slide::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(12, 12, 14, 0.2) 0%,
        transparent 30%,
        transparent 60%,
        rgba(12, 12, 14, 0.95) 100%
    );
    pointer-events: none;
    z-index: 2;
}

/* Reflet latéral luxueux */
.carousel-slide::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 30%;
    height: 100%;
    background: linear-gradient(
        90deg,
        rgba(201, 169, 98, 0.03) 0%,
        transparent 100%
    );
    pointer-events: none;
    z-index: 3;
}

/* Navigation Arrows - Glass Morphism */
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 60px;
    height: 60px;
    border: none;
    border-radius: 50%;
    background: rgba(20, 20, 22, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        inset 0 0 0 1px rgba(201, 169, 98, 0.1);
}

.carousel-arrow:hover {
    background: rgba(201, 169, 98, 0.15);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.15),
        inset 0 0 0 1px rgba(201, 169, 98, 0.3),
        0 0 30px rgba(201, 169, 98, 0.15);
    transform: translateY(-50%) scale(1.05);
}

.carousel-arrow:active {
    transform: translateY(-50%) scale(0.95);
}

.carousel-arrow svg {
    width: 24px;
    height: 24px;
    stroke: rgba(255, 255, 255, 0.8);
    stroke-width: 2;
    fill: none;
    transition: stroke 0.3s ease;
}

.carousel-arrow:hover svg {
    stroke: #C9A962;
}

.carousel-arrow--prev {
    left: 24px;
}

.carousel-arrow--next {
    right: 24px;
}

/* Dots Navigation - Ligne élégante */
.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: rgba(12, 12, 14, 0.5);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 40px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
    position: relative;
}

.carousel-dot::before {
    content: "";
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: transparent;
    transition: all 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.carousel-dot:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: scale(1.2);
}

.carousel-dot.active {
    width: 32px;
    border-radius: 10px;
    background: linear-gradient(90deg, #C9A962 0%, #D4B978 100%);
    box-shadow: 0 0 20px rgba(201, 169, 98, 0.5);
}

/* Progress bar pendant auto-play */
.carousel-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 10;
    overflow: hidden;
}

.carousel-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #C9A962, #D4B978);
    box-shadow: 0 0 10px rgba(201, 169, 98, 0.5);
    transition: width 0.1s linear;
}

.showroom-carousel:hover .carousel-progress-bar {
    animation-play-state: paused !important;
}

/* Counter élégant */
.carousel-counter {
    position: absolute;
    top: 24px;
    right: 24px;
    z-index: 10;
    font-family: "Playfair Display", serif;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.1em;
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.carousel-counter .current {
    font-size: 1.75rem;
    color: #C9A962;
    font-weight: 500;
}

.carousel-counter .separator {
    color: rgba(255, 255, 255, 0.3);
}

.carousel-counter .total {
    color: rgba(255, 255, 255, 0.4);
}

/* ==================== RESPONSIVE ==================== */

/* Tablet */
@media (max-width: 1024px) {
    .showroom-carousel {
        height: clamp(350px, 50vh, 550px);
        border-radius: 16px;
        margin: 30px 0;
    }
    
    .carousel-arrow {
        width: 50px;
        height: 50px;
    }
    
    .carousel-arrow--prev { left: 16px; }
    .carousel-arrow--next { right: 16px; }
    
    .carousel-arrow svg {
        width: 20px;
        height: 20px;
    }
    
    .carousel-indicators {
        padding: 10px 16px;
        gap: 10px;
    }
    
    .carousel-counter {
        top: 16px;
        right: 16px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .showroom-carousel {
        height: clamp(280px, 45vh, 450px);
        border-radius: 12px;
        margin: 20px 0;
    }
    
    .carousel-arrow {
        width: 44px;
        height: 44px;
        background: rgba(20, 20, 22, 0.8);
    }
    
    .carousel-arrow--prev { left: 12px; }
    .carousel-arrow--next { right: 12px; }
    
    .carousel-arrow svg {
        width: 18px;
        height: 18px;
    }
    
    .carousel-indicators {
        bottom: 20px;
        padding: 8px 14px;
        gap: 8px;
    }
    
    .carousel-dot {
        width: 6px;
        height: 6px;
    }
    
    .carousel-dot.active {
        width: 24px;
    }
    
    .carousel-counter {
        top: 12px;
        right: 12px;
        font-size: 0.85rem;
    }
    
    .carousel-counter .current {
        font-size: 1.25rem;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .showroom-carousel {
        height: clamp(220px, 40vh, 350px);
        border-radius: 10px;
    }
    
    .carousel-arrow {
        width: 38px;
        height: 38px;
    }
    
    .carousel-arrow--prev { left: 8px; }
    .carousel-arrow--next { right: 8px; }
    
    .carousel-indicators {
        bottom: 16px;
        padding: 6px 12px;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .carousel-arrow {
        opacity: 0.9;
    }
    
    .carousel-arrow:hover {
        transform: translateY(-50%);
    }
    
    .carousel-arrow:active {
        transform: translateY(-50%) scale(0.92);
        background: rgba(201, 169, 98, 0.2);
    }
}

/* Animation entrée des éléments */
.showroom-carousel.is-visible .carousel-arrow {
    animation: fadeSlideIn 0.8s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

.showroom-carousel.is-visible .carousel-arrow--prev {
    animation-delay: 0.3s;
}

.showroom-carousel.is-visible .carousel-arrow--next {
    animation-delay: 0.4s;
}

.showroom-carousel.is-visible .carousel-indicators {
    animation: fadeSlideUp 0.8s cubic-bezier(0.25, 0.1, 0.25, 1) 0.5s forwards;
    opacity: 0;
}

.showroom-carousel.is-visible .carousel-counter {
    animation: fadeSlideIn 0.8s cubic-bezier(0.25, 0.1, 0.25, 1) 0.2s forwards;
    opacity: 0;
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50%) translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
    }
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}