/* ==========================================================================
   BUILDING MATERIALS — "Mega-Projects: Advanced Building Materials"
   ========================================================================== */

.building-materials {
    background-color: #10151d;
}

.building-materials__heading {
    font-size: 32px;
    font-weight: 800;
    color: var(--medal-white);
    margin: 0 0 8px;
}

.building-materials__subtitle {
    color: var(--medal-gray-light);
    font-size: 16px;
    margin: 0 0 30px;
}

.building-materials__illustrations {
    display: grid;
    grid-template-columns: 1fr 90px 1fr;
    align-items: center;
    gap: 10px;
    margin-bottom: 40px;
}

.bm-illust {
    aspect-ratio: 620 / 306;
    background-size: cover;
    background-position: center;
    background-color: #262d38;
    border: 1px solid var(--medal-border);
}

.bm-arrow svg {
    width: 100%;
    height: auto;
    display: block;
}

.building-materials__table {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--medal-border);
}

.bm-col {
    padding: 20px 22px;
    border-right: 1px solid var(--medal-border);
}

.bm-col:last-child {
    border-right: none;
}

.bm-col__header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.bm-col__number {
    color: var(--medal-white);
    font-weight: 800;
    font-size: 15px;
}

.bm-col__header h3 {
    color: var(--medal-white);
    font-size: 16px;
    font-weight: 700;
    margin: 0;
}

.bm-col__icon {
    height: 60px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: left center;
    margin-bottom: 16px;
}

.bm-col__stat {
    color: var(--medal-red);
    font-weight: 800;
    font-size: 19px;
    line-height: 1.4;
    margin: 0 0 10px;
}

.bm-col__stat span {
    color: var(--medal-gray-light);
    font-weight: 400;
    font-size: 13px;
}

.bm-col__text {
    color: var(--medal-gray-light);
    font-size: 13.5px;
    line-height: 1.55;
    margin: 0;
}

@media (max-width: 900px) {
    .building-materials__illustrations {
        grid-template-columns: 1fr;
    }

    .bm-arrow {
        transform: rotate(90deg);
        width: 60px;
        margin: 0 auto;
    }

    .building-materials__table {
        grid-template-columns: 1fr;
    }

    .bm-col {
        border-right: none;
        border-bottom: 1px solid var(--medal-border);
    }
}