/* Research area layout — two columns: text + visual */
.research-area {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--color-border-light);
    align-items: start;
}

.research-area:last-child {
    border-bottom: none;
}

.research-area:nth-child(even) {
    direction: rtl;
}

.research-area:nth-child(even) > * {
    direction: ltr;
}

.research-area__content {
    padding-top: var(--space-sm);
}

.research-area__number {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-xs);
}

.research-area__title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.research-area__text {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-sm);
}

.research-area__text:last-of-type {
    margin-bottom: var(--space-sm);
}

.research-area__keywords {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.keyword {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    background: var(--color-bg-alt);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    border: 1px solid var(--color-border-light);
}

/* Visual illustration */
.research-area__visual {
    background: var(--color-bg-alt);
    border-radius: 8px;
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border-light);
    overflow: hidden;
}

.research-area__visual svg {
    width: 80%;
    height: 80%;
    opacity: 0.8;
}

@media (max-width: 900px) {
    .research-area {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .research-area:nth-child(even) {
        direction: ltr;
    }

    .research-area__visual {
        order: -1;
        aspect-ratio: 16/9;
    }
}