.calendar-section {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    padding: 2rem;
    background: #f7faff;
    justify-content: center;
}

/* Estilo general para cada día */
.day-column {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.07);
    padding: 1.5rem;
    width: 100%;
    max-width: 360px;
    flex: 1 1 300px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.day-column:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.day-column h3 {
    font-size: 1.4rem;
    color: #24093d;
    margin-bottom: 1rem;
    border-bottom: 2px solid #d8b017;
    padding-bottom: 0.5rem;
}

.day-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.day-column li {
    margin-bottom: 0.85rem;
    line-height: 1.5;
    color: #333;
    font-size: 1rem;
}

.day-column li strong {
    color: #1d3655;
}

.calendar-download {
    text-align: center;
    margin-top: 2rem;
}

.download-btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    background-color: #1d3655;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.download-btn:hover {
    background-color: #3980de;
}


.tab-label {
    display: inline-block;
    padding: 0.7rem 1.2rem;
    font-weight: bold;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #111;
    font-size: 1rem;
}

/* Activar color cuando está seleccionado */
input[type="radio"]:checked+.tab-label {
    border-color: #1d3655;
    color: #1d3655;
}

/* Agrupación para los tabs */
.tab-group {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 1rem 0;
}


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

/* Tablets (hasta 996px) */
@media (max-width: 996px) {
    .calendar-section {
        gap: 1.5rem;
        padding: 1.5rem;
    }

    .day-column {
        flex: 1 1 48%;
    }
}


/* Teléfonos medianos y grandes (hasta 768px) */
@media (max-width: 768px) {
    .calendar-section {
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
    }

    .day-column {
        max-width: 100%;
        padding: 1.2rem;
        border-radius: 10px;
    }

    .day-column h3 {
        font-size: 1.2rem;
        margin-bottom: 0.75rem;
    }

    .day-column li {
        font-size: 0.95rem;
        margin-bottom: 0.7rem;
    }

    .download-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.95rem;
    }
}

/* RESPONSIVO: en móviles apilamos */
@media (max-width: 600px) {
    .tab-group {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }

    .tab-label {
        display: block;
        width: 100%;
        text-align: center;
        padding: 0.8rem;
        font-size: 1rem;
        border: 1px solid #ccc;
        border-radius: 8px;
    }

    input[type="radio"]:checked+.tab-label {
        background: #1d3655;
        color: #fff;
        border-color: #1d3655;
    }
}

/* Teléfonos pequeños (hasta 480px) */
@media (max-width: 480px) {
    .calendar-section {
        padding: 0.75rem;
        gap: 0.75rem;
    }

    .day-column {
        padding: 1rem;
    }

    .day-column h3 {
        font-size: 1.1rem;
        margin-bottom: 0.6rem;
    }

    .day-column li {
        font-size: 0.9rem;
        margin-bottom: 0.6rem;
    }

    .download-btn {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }
}