/* ============================================================
   MATERIAUX — CSS partagé (plastiques, métaux, résines, hub)
   Palette bleu→bleu : #021b79 → #0540F2 → #3a7bff → #70A7FF
   Tout en rem. Espacement généreux.
   ============================================================ */

/* ============================================================
   PAGE WRAPPER
   ============================================================ */
.mat-page {
    background: #fff;
    color: var(--color-dark, #0D0D0D);
    font-family: var(--font-family-base, 'Roboto', sans-serif);
    line-height: 1.7;
}

/* ============================================================
   INTRO
   ============================================================ */
.mat-intro {
    padding: 5rem 2rem 4rem;
    background: #fff !important;
}

.mat-intro::after {
    content: '';
    display: block;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent 5%, rgba(5, 64, 242, 0.15) 30%, rgba(5, 64, 242, 0.15) 70%, transparent 95%);
    margin-top: 4rem;
}

.mat-intro + .mat-section {
    padding-top: 3rem;
}

.mat-intro-inner {
    max-width: 75rem;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 5rem;
    align-items: center;
}

.mat-intro-overline {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-primary, #0540F2);
    margin-bottom: 1.25rem;
    position: relative;
    padding-left: 2rem;
}

.mat-intro-overline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1.25rem;
    height: 0.125rem;
    background: linear-gradient(135deg, #0540F2, #70A7FF);
    border-radius: 1px;
}

.mat-intro-title {
    font-family: 'Kanit', sans-serif;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 400 !important;
    line-height: 1.25;
    margin-bottom: 2rem;
    color: var(--color-dark, #0D0D0D);
    text-align: left;
}

.mat-intro-title::after {
    display: none !important;
}

.mat-intro-body p {
    font-size: 1.05rem;
    color: var(--color-text, #333);
    line-height: 1.85;
    margin-bottom: 1.25rem;
}

.mat-intro-body p:last-child {
    margin-bottom: 0;
}

.mat-intro-body a {
    color: var(--color-primary, #0540F2);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.25s;
}

.mat-intro-body a:hover {
    border-color: var(--color-primary, #0540F2);
}

.mat-intro-body strong {
    color: var(--color-primary, #0540F2);
    font-weight: 700;
}

.mat-intro-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.mat-intro-img-wrap {
    width: 100%;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 1.25rem 3.75rem rgba(5, 64, 242, 0.1);
    position: relative;
}

.mat-intro-img-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 0.5rem;
    border: 1px solid rgba(5, 64, 242, 0.06);
    pointer-events: none;
}

.mat-intro-img-wrap img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.mat-intro-img-wrap:hover img {
    transform: scale(1.03);
}

@media (max-width: 64rem) {
    .mat-intro {
        padding: 4rem 2rem 3rem;
    }
    .mat-intro-inner {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .mat-intro-visual {
        max-width: 31.25rem;
        margin: 0 auto;
    }
}

@media (max-width: 48rem) {
    .mat-intro {
        padding: 3rem 1.25rem 2.5rem;
    }
    .mat-intro-title {
        font-size: 1.8rem;
    }
    .mat-intro-img-wrap img {
        aspect-ratio: 3 / 2;
    }
}

/* ============================================================
   SECTIONS
   ============================================================ */
.mat-section {
    padding: 5rem 2rem;
    background: #fff !important;
}

.mat-section--alt {
    background: var(--color-light, #F2F2F2) !important;
}

.mat-container {
    max-width: 75rem;
    margin: 0 auto;
    padding: 0 2rem;
}

.mat-section-lead {
    font-size: 1.0625rem;
    color: var(--color-text-light, #666);
    max-width: 45rem;
    line-height: 1.8;
    margin-bottom: 4rem;
}

/* ============================================================
   H2
   ============================================================ */
.mat-page .section-header {
    text-align: left;
    margin-bottom: 4rem;
}

.mat-page .section-header .section-title {
    font-family: 'Kanit', sans-serif;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 400 !important;
    color: var(--color-dark);
    text-transform: none !important;
    letter-spacing: -0.01em;
    line-height: 1.25;
    margin-bottom: 1rem;
    text-align: left;
}

.mat-page .section-header .section-title::after {
    display: none !important;
}

/* ============================================================
   ROWS — alternance texte / image
   ============================================================ */
.mat-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    margin-bottom: 5rem;
    padding-bottom: 5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.mat-row:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.mat-row--img-left .mat-row-media { order: 1; }
.mat-row--img-left .mat-row-text { order: 2; }

.mat-row-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.mat-overline {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-primary, #0540F2);
    margin-bottom: 1rem;
}

.mat-row-title {
    font-family: 'Kanit', sans-serif;
    font-size: 1.875rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    line-height: 1.2;
    color: var(--color-dark, #0D0D0D);
}

.mat-row-subtitle {
    font-size: 0.9375rem;
    color: var(--color-primary-light, #70A7FF);
    margin-bottom: 1rem;
    font-weight: 500;
}

.mat-row-text > p {
    font-size: 1rem;
    color: var(--color-text, #333);
    margin-bottom: 1.25rem;
    line-height: 1.8;
}

.mat-list {
    list-style: none;
    padding: 0;
    margin: 0.75rem 0 2rem;
}

.mat-list li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.875rem;
    font-size: 0.9375rem;
    color: var(--color-text, #333);
    line-height: 1.7;
}

.mat-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 0.4375rem;
    height: 0.4375rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #0540F2, #70A7FF);
}

.mat-list li strong {
    color: var(--color-dark, #0D0D0D);
    font-weight: 700;
}

/* --- Media column --- */
.mat-row-media {
    position: relative;
    overflow: visible;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
}

.mat-row-media img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 0.5rem;
    box-shadow: 0 0.75rem 2.5rem rgba(5, 64, 242, 0.08);
    display: block;
    transition: transform 0.5s ease;
}

.mat-row-media:hover img {
    transform: scale(1.03);
}

.mat-caption {
    display: block;
    margin-top: 0.75rem;
    font-size: 0.8125rem;
    color: var(--color-text-light, #666);
    line-height: 1.4;
    background: transparent;
}

/* ============================================================
   SELECTION GRID — cartes
   ============================================================ */
.mat-selection-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.75rem;
}

.mat-selection-card {
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 0.625rem;
    padding: 2rem 1.5rem;
    position: relative;
    overflow: hidden;
    transition: box-shadow 0.3s, transform 0.3s;
}

.mat-selection-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, #0540F2, #3a7bff);
    opacity: 0;
    transition: opacity 0.3s;
}

.mat-selection-card:hover {
    box-shadow: 0 0.75rem 2.5rem rgba(5, 64, 242, 0.1);
    transform: translateY(-0.25rem);
}

.mat-selection-card:hover::before {
    opacity: 1;
}

.mat-selection-card h4 {
    font-family: 'Kanit', sans-serif;
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-dark, #0D0D0D);
    margin-bottom: 0.625rem;
}

.mat-selection-card p {
    font-size: 0.875rem;
    color: var(--color-text-light, #666);
    margin-bottom: 1.25rem;
    line-height: 1.6;
}

.mat-selection-badge {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-primary, #0540F2);
    background: rgba(5, 64, 242, 0.05);
    padding: 0.3125rem 0.875rem;
    border-radius: 1.25rem;
    border: 1px solid rgba(5, 64, 242, 0.1);
}

/* ============================================================
   SECTEURS GRID — cartes
   ============================================================ */
.mat-secteurs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.mat-secteur-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 0.625rem;
    padding: 2.5rem 2rem;
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
    transition: box-shadow 0.3s, transform 0.3s;
}

.mat-secteur-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #0540F2, #70A7FF);
    opacity: 0;
    transition: opacity 0.3s;
}

.mat-secteur-card:hover {
    box-shadow: 0 0.75rem 2.5rem rgba(5, 64, 242, 0.1);
    transform: translateY(-0.25rem);
}

.mat-secteur-card:hover::before {
    opacity: 1;
}

.mat-secteur-card h3 {
    font-family: 'Kanit', sans-serif;
    font-size: 1.1875rem;
    font-weight: 600;
    color: var(--color-dark, #0D0D0D);
    margin-bottom: 0.875rem;
}

.mat-secteur-card p {
    font-size: 0.9375rem;
    color: var(--color-text-light, #666);
    margin-bottom: 1.5rem;
    line-height: 1.65;
    flex: 1;
}

.mat-secteur-card .mat-arrow-link {
    font-size: 0.875rem;
    border-bottom: none;
    margin-top: 0;
}

/* ============================================================
   HUB — Cartes matériaux (page hub "Nos Matériaux")
   ============================================================ */
.mat-hub-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.mat-hub-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 0.75rem;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: box-shadow 0.3s, transform 0.3s;
}

.mat-hub-card:hover {
    box-shadow: 0 1rem 3rem rgba(5, 64, 242, 0.12);
    transform: translateY(-0.375rem);
}

.mat-hub-card-img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.mat-hub-card:hover .mat-hub-card-img {
    transform: scale(1.04);
}

.mat-hub-card-img-wrap {
    overflow: hidden;
}

.mat-hub-card-body {
    padding: 2rem 1.75rem 2.25rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.mat-hub-card-overline {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-primary, #0540F2);
    margin-bottom: 0.75rem;
}

.mat-hub-card-title {
    font-family: 'Kanit', sans-serif;
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.75rem;
    line-height: 1.25;
}

.mat-hub-card-desc {
    font-size: 0.9375rem;
    color: var(--color-text-light, #666);
    line-height: 1.65;
    margin-bottom: 1.5rem;
    flex: 1;
}

.mat-hub-card .mat-arrow-link {
    margin-top: auto;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 64rem) {
    .mat-selection-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .mat-section {
        padding: 4rem 2rem;
    }
    .mat-hub-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 48rem) {
    .mat-row {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        margin-bottom: 3.5rem;
        padding-bottom: 3.5rem;
    }

    .mat-row--img-left .mat-row-media,
    .mat-row .mat-row-media {
        order: -1;
    }

    .anim-media--right,
    .anim-media--left {
        transform: translateY(1.875rem);
    }

    .anim-media.is-visible {
        transform: translateY(0) !important;
    }

    .mat-row-title {
        font-size: 1.5rem;
    }

    .mat-selection-grid {
        grid-template-columns: 1fr;
    }

    .mat-secteurs-grid {
        grid-template-columns: 1fr;
    }

    .mat-hub-grid {
        grid-template-columns: 1fr;
    }

    .mat-container {
        padding: 0 1.25rem;
    }

    .mat-section {
        padding: 3.5rem 1.25rem;
    }
}