/*
 * Timeline Histórica - Stylesheet v1.6.3 (Ajuste final para móviles)
 * Diseño con separación de interacciones para desktop y móvil.
 */

/* --- 1. VARIABLES Y FUENTES --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');

:root {
    --brx-primary: #d93a3a;
    --brx-dark: #2c3e50;
    --brx-light: #ffffff;
    --brx-line-thickness: 4px;
    --brx-point-size: 16px;
    --brx-point-border: 3px;
}

/* --- 2. ESTILOS BASE (Común para Móvil y Desktop) --- */
#mi-linea-de-tiempo-unica {
    font-family: 'Poppins', sans-serif;
    color: var(--brx-dark);
    max-width: 1200px;
    margin: 60px auto;
    position: relative;
}

#mi-linea-de-tiempo-unica .brx-timeline-line {
    background-color: var(--brx-primary) !important;
}

.brx-timeline-events-wrapper {
    display: flex;
}

.brx-timeline-event {
    position: relative;
    display: flex;
}

.brx-timeline-axis-point {
    background-color: var(--brx-light);
    border: var(--brx-point-border) solid var(--brx-primary);
    border-radius: 50%;
    width: var(--brx-point-size);
    height: var(--brx-point-size);
    z-index: 5;
}

.brx-timeline-content {
    position: relative;
    display: flex;
    flex-direction: column;
}

.brx-timeline-marker {
    display: flex;
    align-items: center;
    cursor: default; /* Default cursor for mobile */
}

.brx-timeline-icon {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.brx-timeline-year {
    font-weight: 700;
    color: var(--brx-dark);
}

.brx-timeline-description {
    background: var(--brx-light);
}

.brx-timeline-description h3 { 
    margin: 0 0 10px 0; 
    font-size: 1rem; 
    font-weight: 700; 
    color: var(--brx-primary); 
}
.brx-timeline-description div p:first-child { margin-top: 0; }
.brx-timeline-description div p:last-child { margin-bottom: 0; }

/* --- 3. DISEÑO RESPONSIVE (MÓVIL PRIMERO) --- */
@media (max-width: 1024px) {
    #mi-linea-de-tiempo-unica {
        margin: 30px auto;
        padding-top: 30px;
    }

    .brx-timeline-line {
        position: absolute;
        left: 25px;
        top: 0;
        bottom: 0;
        width: 4px;
        height: 100%;
    }

    .brx-timeline-events-wrapper {
        flex-direction: column;
        align-items: stretch;
    }

    .brx-timeline-event {
        flex-direction: row;
        width: 100%;
        align-items: flex-start;
        padding-left: 25px;
        margin: 30px 0;
        box-sizing: border-box;
        overflow: hidden; 
    }

    .brx-timeline-axis-point {
        position: absolute;
        top: 35px !important;
        left: 12px !important;
        transform: translateX(calc(-50% - var(--brx-point-border) / 2));
    }

    .brx-timeline-content {
        margin-left: 20px;
        text-align: left;
        width: 100%;
        align-items: flex-start;
    }
    
    .brx-timeline-marker {
        flex-direction: column;
        align-items: flex-start;
    }

    .brx-timeline-icon {
        margin-top: 8px;
        margin-bottom: 15px;
    }
    
    .brx-timeline-year {
        display:none;
        font-size: 1.3rem;
    }

    .brx-timeline-description {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 10px 0 0 0;
        width: 100%;
        background: transparent;
        border-radius: 0;
        margin-top: 5px;
        text-align: left;
    }

    .brx-timeline-description::after {
        display: none;
    }

    /* ======================================================= */
    /* == OCULTAR TÍTULO REDUNDANTE (H3) EN MÓVIL           == */
    /* ======================================================= */
    .brx-timeline-description h3 {
        display: none;
    }
}

/* --- 4. DISEÑO DESKTOP (PANTALLA ANCHA) --- */
@media (min-width: 1025px) {
    #mi-linea-de-tiempo-unica {
        padding-top: 150px;
    }
    
    .brx-timeline-line {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: var(--brx-line-thickness);
    }
    
    .brx-timeline-events-wrapper {
        justify-content: space-around;
        align-items: flex-end;
    }

    .brx-timeline-event {
        width: 200px;
        justify-content: center;
        padding-bottom: calc(var(--brx-point-size) / 2);
    }

    .brx-timeline-axis-point {
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translate(-50%, 50%);
    }

    .brx-timeline-content {
        align-items: center;
    }
    
    .brx-timeline-marker {
        flex-direction: column-reverse;
    }

    .brx-timeline-icon {
        margin-top: 8px;
        margin-bottom: 15px;
    }

    .brx-timeline-year {
        font-size: 1.5rem;
    }

    .brx-timeline-description {
        position: absolute;
        left: 50%;
        bottom: 100%;
        margin-bottom: 15px;
        width: 380px;
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.15);
        text-align: center;
        opacity: 0;
        visibility: hidden;
        z-index: 20;
        transform: translate(-50%, 10px);
        transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s;
    }
    
    .brx-timeline-description::after {
        content: '';
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        border-style: solid;
        top: 100%;
        border-width: 10px 10px 0 10px;
        border-color: var(--brx-light) transparent transparent transparent;
    }
}

/* --- 5. INTERACCIONES (SOLO PARA DISPOSITIVOS CON HOVER COMO UN PC) --- */
@media (min-width: 1025px) and (hover: hover) {
    .brx-timeline-marker {
        cursor: pointer;
        transition: transform 0.3s ease;
    }
    
    .brx-timeline-event:hover .brx-timeline-marker {
        transform: scale(1.1);
    }

    /* Por defecto, el evento activo es visible */
    .brx-timeline-event.evento-activo .brx-timeline-description {
        opacity: 1;
        visibility: visible;
        transform: translateX(-50%);
    }

    /* Al hacer hover en el contenedor, se oculta el activo */
    .brx-timeline-events-wrapper:hover .brx-timeline-event.evento-activo .brx-timeline-description {
        opacity: 0;
        visibility: hidden;
        transform: translate(-50%, 10px);
    }

    /* Y se muestra el que está bajo el cursor */
    .brx-timeline-event:hover .brx-timeline-description {
        opacity: 1;
        visibility: visible;
        transform: translateX(-50%);
    }
}