.concept-page .concept-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
    align-items: start;
    gap: clamp(36px, 7vw, 84px);
    padding-top: var(--app-space-7);
}

.concept-page .concept-copy {
    max-width: 68ch;
}

.concept-page .concept-copy p {
    margin: 0 0 var(--app-space-4);
    color: var(--app-text-muted);
    font-size: 16px;
    line-height: 1.78;
}

.concept-page .concept-copy .concept-lead {
    color: var(--app-text);
    font-size: 20px;
    line-height: 1.6;
}

.concept-page .concept-feature {
    min-width: 0;
}

.concept-page .concept-series-heading {
    margin-bottom: var(--app-space-4);
}

.concept-page .concept-series-heading h2 {
    margin: 6px 0 10px;
    color: var(--app-text);
    font-size: clamp(23px, 3vw, 30px);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

.concept-page .concept-series-heading > p:last-child {
    margin: 0;
    color: var(--app-text-muted);
    font-size: 14px;
    line-height: 1.6;
}

.concept-page .concept-series {
    display: grid;
    gap: var(--app-space-5);
}

.concept-page .concept-slideshow {
    display: block;
    overflow: hidden;
    border: 1px solid var(--app-line);
    border-radius: var(--app-radius-lg);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent),
        var(--app-surface);
    box-shadow: var(--app-shadow);
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.concept-page .concept-slideshow:hover {
    transform: translateY(-3px);
    border-color: var(--app-line-strong);
    box-shadow: 0 28px 64px rgba(0, 0, 0, 0.34);
}

.concept-page .concept-slideshow__image {
    position: relative;
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--app-bg-deep);
}

.concept-page .concept-slideshow__image::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 45%, rgba(17, 14, 13, 0.52));
}

.concept-page .concept-slideshow__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 400ms ease;
}

.concept-page .concept-slideshow:hover img {
    transform: scale(1.025);
}

.concept-page .concept-slideshow__badge {
    position: absolute;
    z-index: 1;
    right: 14px;
    bottom: 14px;
    padding: 7px 10px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 999px;
    color: #fffaf4;
    background: rgba(20, 18, 17, 0.72);
    backdrop-filter: blur(10px);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.concept-page .concept-slideshow__copy {
    display: grid;
    gap: 12px;
    padding: var(--app-space-5);
    color: var(--app-text-muted);
    font-size: 14px;
    line-height: 1.6;
}

.concept-page .concept-slideshow__copy .eyebrow {
    margin: 0;
}

.concept-page .concept-slideshow__copy strong {
    color: var(--app-text);
    font-size: 23px;
    font-weight: 500;
    line-height: 1.18;
    letter-spacing: -0.03em;
}

.concept-page .concept-slideshow__action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 4px;
    padding-top: var(--app-space-3);
    border-top: 1px solid var(--app-line);
    color: var(--app-accent-strong);
    font-weight: 600;
}

@media (max-width: 860px) {
    .concept-page .concept-layout {
        grid-template-columns: 1fr;
    }

    .concept-page .concept-feature {
        max-width: 620px;
    }
}