/*
 * Pojedyncze kruszywo (sm_material) — mała strona z kartą parametrów.
 */

.sm-material__inner {
    max-width: var(--sm-container);
    margin: 0 auto;
    padding: 0 20px;
}

.sm-material__back {
    display: inline-block;
    margin: 40px 0 24px;

    font-size: 14px;
    font-weight: 600;
    color: var(--sm-color-text-muted);
    text-decoration: none;

    transition: color 0.3s;
}

.sm-material__back:hover {
    color: var(--sm-color-green-deep);
}

.sm-material__grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 56px;
    align-items: start;

    padding-bottom: 72px;
}

/* ===== Główna kolumna ===== */
.sm-material__eyebrow {
    display: inline-block;
    margin-bottom: 12px;
    padding: 5px 14px;

    background: var(--sm-color-mint-light);
    border-radius: var(--sm-radius-pill);

    font-size: 13px;
    font-weight: 700;
    color: var(--sm-color-green-deep);
}

.sm-material__title {
    margin: 0 0 16px;

    font-size: 42px;
    line-height: 1.1;
    font-weight: 800;
    font-family: var(--sm-font-heading);

    color: var(--sm-color-dark);
}

.sm-material__lead {
    margin: 0 0 32px;

    font-size: 18px;
    line-height: 1.7;
    color: var(--sm-color-text-muted);
}

.sm-material__image {
    margin: 0 0 32px;
}

.sm-material__image img {
    display: block;
    width: 100%;
    max-height: 440px;
    object-fit: cover;
    border-radius: var(--sm-radius-lg);
}

.sm-material__content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--sm-color-text);
}

.sm-material__content > * {
    margin: 0 0 1.2em;
}

.sm-material__content h2 {
    margin-top: 1.6em;
    font-size: 26px;
    font-weight: 800;
    font-family: var(--sm-font-heading);
    color: var(--sm-color-dark);
}

.sm-material__content ul,
.sm-material__content ol {
    padding-left: 1.4em;
}

.sm-material__gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;

    margin-top: 32px;
}

.sm-material__gallery-item {
    margin: 0;
}

.sm-material__gallery-item img {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--sm-radius);
}

/* ===== Karta parametrów (aside) ===== */
.sm-material__aside {
    position: sticky;
    top: 24px;
}

.sm-material__card {
    padding: 32px;

    background: var(--sm-color-panel);
    border-radius: var(--sm-radius-lg);
}

.sm-material__card-title {
    margin: 0 0 20px;

    font-size: 20px;
    font-weight: 800;
    color: var(--sm-color-dark);
}

.sm-material__specs {
    margin: 0 0 28px;
}

.sm-material__spec {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;

    padding: 12px 0;
    border-bottom: 1px solid rgba(4, 34, 34, 0.1);
}

.sm-material__spec:last-child {
    border-bottom: 0;
}

.sm-material__spec dt {
    font-size: 14px;
    color: var(--sm-color-text-muted);
}

.sm-material__spec dd {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--sm-color-dark);
    text-align: right;
}

.sm-material__cta {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sm-material__cta .sm-btn {
    width: 100%;
}

/* ===== Podobne kruszywa ===== */
.sm-material__related {
    padding: 56px 0;
    background: var(--sm-color-grey);
}

.sm-material__related-title {
    margin: 0 0 28px;

    font-size: 24px;
    font-weight: 800;
    font-family: var(--sm-font-heading);
    text-transform: uppercase;
    color: var(--sm-color-dark);
}

.sm-material__related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.sm-material-card {
    display: flex;
    flex-direction: column;

    background: var(--sm-color-white);
    border-radius: var(--sm-radius-lg);
    overflow: hidden;
    text-decoration: none;

    transition: transform 0.3s, box-shadow 0.3s;
}

.sm-material-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(4, 34, 34, 0.12);
}

.sm-material-card__image img {
    display: block;
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.sm-material-card__title {
    padding: 16px 20px 4px;
    font-size: 18px;
    font-weight: 700;
    color: var(--sm-color-dark);
}

.sm-material-card__meta {
    padding: 0 20px 18px;
    font-size: 13px;
    color: var(--sm-color-text-muted);
}

@media (max-width: 991px) {
    .sm-material__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .sm-material__aside {
        position: static;
    }

    .sm-material__related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 599px) {
    .sm-material__title {
        font-size: 30px;
    }

    .sm-material__gallery,
    .sm-material__related-grid {
        grid-template-columns: 1fr;
    }
}