.ris-slider {
    position: relative;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.ris-slides-track {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 7;
    background: #000;
}

.ris-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease-in-out;
}

.ris-slide.is-active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

.ris-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.ris-slide-caption {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.ris-slide-button {
    display: inline-block;
    padding: 16px 40px;
    background: #e30613;
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 0.5px;
    border-radius: 6px;
    box-shadow: 0 0 0 0 rgba(227, 6, 19, 0.6);
    animation: ris-pulse-red 1.8s infinite;
    transition: background 0.2s ease, transform 0.2s ease;
}

.ris-slide-button:hover {
    background: #b3050f;
    color: #ffffff;
    transform: translateY(-2px) scale(1.05);
    animation-play-state: paused;
}

@keyframes ris-pulse-red {
    0% {
        box-shadow: 0 0 0 0 rgba(227, 6, 19, 0.6);
    }
    70% {
        box-shadow: 0 0 0 18px rgba(227, 6, 19, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(227, 6, 19, 0);
    }
}

/* Boutons précédent / suivant */
.ris-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    background: rgba(0, 0, 0, 0.45);
    color: #fff;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.ris-nav:hover {
    background: rgba(0, 0, 0, 0.75);
}

.ris-prev {
    left: 16px;
}

.ris-next {
    right: 16px;
}

/* Points de navigation */
.ris-dots {
    position: absolute;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 8px;
}

.ris-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}

.ris-dot.is-active {
    background: #ffffff;
    transform: scale(1.2);
}

@media (max-width: 600px) {
    .ris-slides-track {
        aspect-ratio: 4 / 3;
    }
    .ris-slide-caption {
        left: 16px;
        bottom: 16px;
    }
    .ris-slide-button {
        padding: 10px 18px;
        font-size: 14px;
    }
    .ris-nav {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
}