/* ==========================================================================
   ESTILOS EXCLUSIVOS - PÁGINA DE VOLUNTARIADO
   Selector interactivo de Programas Operativos + Línea de tiempo del
   proceso "¿Cómo convertirte en voluntario?"
   ========================================================================== */

/* --------------------------------------------------------------------------
   INTRO DE LA SECCIÓN DE PROGRAMAS
   -------------------------------------------------------------------------- */
.programas-intro {
    text-align: center;
    max-width: 680px;
    margin: -1.5rem auto 3rem auto;
    color: #4A5568;
    font-size: 1.02rem;
}

/* --------------------------------------------------------------------------
   SELECTOR INTERACTIVO DE PROGRAMAS OPERATIVOS
   Pestañas a la izquierda + panel grande con imagen a la derecha,
   que cambia de contenido según el programa seleccionado.
   -------------------------------------------------------------------------- */
.programas-showcase {
    display: flex;
    align-items: stretch;
    gap: 2.2rem;
    max-width: 1120px;
    margin: 0 auto;
}

.programas-nav {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    width: 38%;
}

.programa-tab {
    display: flex;
    align-items: center;
    gap: 1rem;
    background-color: #ffffff;
    border: 1px solid #E9ECEF;
    border-left: 4px solid transparent;
    border-radius: 12px;
    padding: 1rem 1.2rem;
    text-align: left;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.programa-tab-icono {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.35rem;
    background-color: color-mix(in srgb, var(--color-tab) 14%, white);
    transition: transform 0.25s ease;
}

.programa-tab-texto {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    color: #1A2530;
    line-height: 1.4;
}

.programa-tab-numero {
    display: block;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--color-tab);
    margin-bottom: 0.25rem;
}

.programa-tab:hover {
    transform: translateX(4px);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.06);
}

.programa-tab:hover .programa-tab-icono {
    transform: scale(1.1) rotate(-6deg);
}

.programa-tab.active {
    border-left-color: var(--color-tab);
    background-color: color-mix(in srgb, var(--color-tab) 7%, white);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.09);
}

/* Panel grande: las 4 "diapositivas" se apilan y se hace un cross-fade
   suave entre ellas cuando cambia el programa activo */
.programas-paneles {
    position: relative;
    width: 62%;
    min-height: 430px;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.14);
}

.programa-panel {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-end;
    opacity: 0;
    visibility: hidden;
    transform: scale(1.04);
    transition: opacity 0.5s ease, transform 0.7s ease, visibility 0.5s ease;
}

.programa-panel.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
    z-index: 1;
}

.programa-panel-overlay {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 2.4rem 2.6rem;
    color: #ffffff;
    background: linear-gradient(to top, rgba(13, 13, 13, 0.9) 15%, rgba(13, 13, 13, 0.15) 70%, rgba(13, 13, 13, 0) 100%);
}

.programa-panel-etiqueta {
    display: inline-block;
    background-color: var(--color-panel);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 0.35rem 0.9rem;
    border-radius: 4px;
    margin-bottom: 0.9rem;
}

.programa-panel-overlay h3 {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-size: 1.55rem;
    font-weight: 800;
    line-height: 1.25;
    margin: 0 0 0.7rem;
}

.programa-panel-overlay p {
    font-size: 0.98rem;
    line-height: 1.65;
    color: #E2E8F0;
    max-width: 520px;
    margin: 0;
}

@media (max-width: 900px) {
    .programas-showcase {
        flex-direction: column;
    }

    .programas-nav {
        width: 100%;
        flex-direction: row;
        overflow-x: auto;
        gap: 0.7rem;
        padding-bottom: 0.4rem;
        -webkit-overflow-scrolling: touch;
    }

    .programa-tab {
        flex: 0 0 auto;
        min-width: 230px;
    }

    .programa-tab:hover {
        transform: none;
    }

    .programas-paneles {
        width: 100%;
        min-height: 340px;
    }
}

@media (max-width: 480px) {
    .programa-panel-overlay h3 {
        font-size: 1.25rem;
    }

    .programa-panel-overlay p {
        font-size: 0.92rem;
    }
}

/* --------------------------------------------------------------------------
   LÍNEA DE TIEMPO: ¿CÓMO CONVERTIRTE EN VOLUNTARIO?
   Círculos con ícono conectados por una línea punteada, con efecto
   de elevación/rotación al pasar el cursor.
   -------------------------------------------------------------------------- */
.pasos-timeline {
    position: relative;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    max-width: 1000px;
    margin: 0 auto;
}

.pasos-timeline::before {
    content: '';
    position: absolute;
    top: 34px;
    left: 68px;
    right: 68px;
    height: 3px;
    background-image: repeating-linear-gradient(to right, #D8DEE4 0, #D8DEE4 10px, transparent 10px, transparent 18px);
    z-index: 0;
}

.paso-item {
    position: relative;
    z-index: 1;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 0.6rem;
}

.paso-circulo {
    width: 68px;
    height: 68px;
    min-width: 68px;
    border-radius: 50%;
    background-color: var(--color-paso);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.3rem;
    border: 4px solid #ffffff;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.16);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.paso-icono {
    font-size: 1.6rem;
    line-height: 1;
}

.paso-item:hover .paso-circulo {
    transform: scale(1.12) rotate(-8deg);
    box-shadow: 0 14px 26px rgba(0, 0, 0, 0.22);
}

.paso-texto h3 {
    font-family: 'Poppins', 'Inter', sans-serif;
    color: #1A2530;
    font-size: 1.05rem;
    font-weight: 800;
    margin: 0 0 0.5rem;
}

.paso-texto p {
    color: #4A5568;
    font-size: 0.9rem;
    line-height: 1.55;
    max-width: 220px;
    margin: 0 auto;
}

@media (max-width: 800px) {
    .pasos-timeline {
        flex-direction: column;
        gap: 2.2rem;
        max-width: 380px;
    }

    .pasos-timeline::before {
        top: 0;
        bottom: 0;
        left: 33px;
        right: auto;
        width: 3px;
        height: auto;
        background-image: repeating-linear-gradient(to bottom, #D8DEE4 0, #D8DEE4 10px, transparent 10px, transparent 18px);
    }

    .paso-item {
        flex-direction: row;
        text-align: left;
        gap: 1.2rem;
    }

    .paso-circulo {
        margin-bottom: 0;
    }

    .paso-texto p {
        max-width: none;
        margin: 0;
    }
}