/* Estilos específicos para la página de vocabulario A1 */

.topics-section {
    padding: 3rem 2rem 4rem;
}

.topics-container {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    gap: 2rem;
}

.topics-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.topic-card {
    height: 100%;
}

.topic-card .resource-card {
    width: 100%;
}

.resource-card--detailed {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 0;
    text-align: left;
    overflow: hidden;
}

.resource-card__image {
    width: 100%;
    height: 160px;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.25), rgba(192, 57, 43, 0.18));
}

.resource-card__image--alphabet {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.25), rgba(192, 57, 43, 0.18));
}

.resource-card__image--basic-expressions {
    background: linear-gradient(135deg, rgba(26, 188, 156, 0.25), rgba(52, 152, 219, 0.15));
}

.resource-card__image--countries {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.25), rgba(142, 68, 173, 0.15));
}

.resource-card__image--numbers {
    background: linear-gradient(135deg, rgba(241, 196, 15, 0.25), rgba(230, 126, 34, 0.15));
}

.resource-card__image--professions {
    background: linear-gradient(135deg, rgba(155, 89, 182, 0.25), rgba(52, 73, 94, 0.15));
}

.resource-card__image--weather {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.3), rgba(46, 204, 113, 0.18));
}

.resource-card__content {
    display: grid;
    gap: 0.5rem;
    padding: 1.25rem 1.25rem 1.5rem;
}

.resource-card__title {
    font-size: 1.1rem;
    margin: 0;
    color: var(--secondary-color);
    font-weight: 700;
    transition: color 0.3s ease;
}

.resource-card__description {
    margin: 0;
    color: var(--text-color);
    font-size: 0.98rem;
    line-height: 1.6;
    font-weight: 400;
    transition: color 0.3s ease;
}

.resource-card.active:hover .resource-card__title,
.resource-card.active:focus .resource-card__title,
.resource-card.active:hover .resource-card__description,
.resource-card.active:focus .resource-card__description {
    color: #ffffff;
}

@media (max-width: 640px) {
    .topics-section {
        padding: 2.5rem 1.5rem 3rem;
    }
}