/* Sliders laterales */
.vertical-slider {
    position: absolute;
    top: 0;
    width: 90px;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.vertical-slider.left {
    left: 10px;
}

.vertical-slider.rightAux {
    right: 10px;
}

/* Contenedor del slider con animación */
.slider-track {
    display: flex;
    flex-direction: column;
    gap: 15px;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    will-change: transform, top;
    position: absolute;
    width: 100%;
}

/* Animación para múltiples items (loop infinito) */
.slider-track.multiple.left-track {
    animation: scrollUpMultiple 20s linear infinite;
}

.slider-track.multiple.right-track {
    animation: scrollDownMultiple 25s linear infinite;
}

/* Animación para item único (sube y baja por toda la pantalla) */
.slider-track.single.left-track {
    animation: slideUpDown 15s ease-in-out infinite;
}

.slider-track.single.right-track {
    animation: slideDownUp 18s ease-in-out infinite;
}

/* Animaciones para múltiples items */
@keyframes scrollUpMultiple {
    0% {
        transform: translateY(0);
    }

    100% {
        transform: translateY(-50%);
    }
}

@keyframes scrollDownMultiple {
    0% {
        transform: translateY(-50%);
    }

    100% {
        transform: translateY(0);
    }
}

/* Animaciones para item único - de arriba a abajo */
@keyframes slideUpDown {
    0% {
        top: 0;
    }

    50% {
        top: calc(100% - 120px - 20px);
        /* altura contenedor - altura item - padding */
    }

    100% {
        top: 0;
    }
}

/* Animaciones para item único - de abajo a arriba */
@keyframes slideDownUp {
    0% {
        top: calc(100% - 120px - 20px);
    }

    50% {
        top: 0;
    }

    100% {
        top: calc(100% - 120px - 20px);
    }
}

/* Estilos para las slides individuales */
.slider-item {
    width: 80px;
    height: 120px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    border: 4px solid #FFD700;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.slider-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

.slider-item .text-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 5px;
    font-size: 10px;
    font-weight: bold;
    text-align: center;
    writing-mode: horizontal-tb;
    pointer-events: none;
}

/* Hover effect - sin detener la animación */
.slider-item:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.6);
    border-color: #FFA500;
    z-index: 10;
}

/* Contenido central */
.content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 50px 20px;
    text-align: center;
    color: white;
}

.content h1 {
    font-size: 3em;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.content p {
    font-size: 1.2em;
    line-height: 1.6;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.buttons {
    margin-top: 30px;
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    margin: 10px;
    background: #FFD700;
    color: #333;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.1em;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.btn:hover {
    background: #FFA500;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

/* Ajuste para móviles */
@media (max-width: 768px) {
    .vertical-slider {
        width: 70px;
    }

    .vertical-slider.left {
        left: 5px;
    }

    .vertical-slider.rightAux {
        right: 5px;
    }

    .slider-item {
        width: 60px;
        height: 90px;
    }

    .main-container {
        padding: 0 80px;
    }

    @keyframes slideUpDown {
        0% {
            top: 0;
        }

        50% {
            top: calc(100% - 90px - 20px);
        }

        100% {
            top: 0;
        }
    }

    @keyframes slideDownUp {
        0% {
            top: calc(100% - 90px - 20px);
        }

        50% {
            top: 0;
        }

        100% {
            top: calc(100% - 90px - 20px);
        }
    }
}