/* ===== MATERIALS SECTION ===== */
.materials {
    padding: clamp(64px, 8vw, 120px) 0;
    background: #f5f2ee;
}

.materials-inner {
    max-width: calc(var(--container) + var(--container-padding) * 2);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.materials-title {
    font-family: var(--font-accent);
    font-size: clamp(26px, 3vw, 44px);
    line-height: 1.15;
    color: var(--color-graphite);
    margin-bottom: clamp(24px, 3vw, 40px);
}

/* Top text (aluminum intro) */
.materials-text--top {
    max-width: 860px;
    margin-bottom: clamp(32px, 4vw, 48px);
}

.materials-text--top p {
    font-family: var(--font-main);
    font-size: clamp(15px, 1.1vw, 18px);
    color: #555;
    line-height: 1.65;
    margin: 0;
}

.materials-text--top p strong {
    color: var(--color-graphite);
    font-weight: 700;
}

/* Photos grid */
.materials-photos {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(16px, 2vw, 24px);
    margin-bottom: clamp(32px, 4vw, 48px);
}

.materials-photo {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, #ddd 0%, #ccc 100%);
    background-size: cover;
    background-position: center;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-family: var(--font-main);
    font-size: 14px;
}

/* Details grid under photos */
.materials-details {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(16px, 2vw, 24px);
}

.materials-detail strong {
    display: block;
    font-family: var(--font-main);
    font-size: clamp(14px, 1vw, 16px);
    font-weight: 700;
    color: var(--color-graphite);
    margin-bottom: 8px;
}

.materials-detail p {
    font-family: var(--font-main);
    font-size: clamp(13px, 0.95vw, 15px);
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .materials-photos,
    .materials-details {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    /* Interleave photos with their captions: photo → text → photo → text */
    .materials-inner {
        display: flex;
        flex-direction: column;
    }
    .materials-photos,
    .materials-details {
        display: contents;
    }
    .materials-title       { order: 1; }
    .materials-text--top   { order: 2; }
    .materials-photo:nth-child(1)  { order: 3; margin-bottom: 12px; }
    .materials-detail:nth-child(1) { order: 4; margin-bottom: 24px; }
    .materials-photo:nth-child(2)  { order: 5; margin-bottom: 12px; }
    .materials-detail:nth-child(2) { order: 6; margin-bottom: 24px; }
    .materials-photo:nth-child(3)  { order: 7; margin-bottom: 12px; }
    .materials-detail:nth-child(3) { order: 8; margin-bottom: 24px; }
    .materials-photo:nth-child(4)  { order: 9; margin-bottom: 12px; }
    .materials-detail:nth-child(4) { order: 10; }
}