/* ============================================================
   FABRICATION ADDITIVE — Styles spécifiques
   Les composants partagés (hero, intro, CTA, FAQ, sections, etc.)
   sont dans base.css
   ============================================================ */

/* ============================================================
   TEXT BLOCK (définition)
   ============================================================ */
.fa-text-block {
    max-width: 52rem;
}

.fa-text-block p {
    font-size: 1.05rem;
    color: var(--color-text);
    line-height: 1.85;
    margin-bottom: 1.25rem;
}

.fa-text-block p:last-child {
    margin-bottom: 0;
}

/* ============================================================
   USE CASES GRID
   ============================================================ */
.fa-use-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
}

.fa-use-case-card {
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 0.75rem;
    padding: 2.25rem 2rem;
    position: relative;
    overflow: hidden;
    transition: box-shadow 0.3s, transform 0.3s;
}

.fa-use-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0540F2, #70A7FF);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

.fa-use-case-card:hover::before {
    transform: scaleX(1);
}

.fa-use-case-number {
    font-family: 'Kanit', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: rgba(5, 64, 242, 0.06);
    line-height: 1;
    margin-bottom: 0.75rem;
}

.fa-use-case-card:hover .fa-use-case-number {
    color: rgba(5, 64, 242, 0.12);
}

.fa-use-case-card h3 {
    font-family: 'Kanit', sans-serif;
    font-size: 1.1875rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.625rem;
}

.fa-use-case-card p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.65;
    margin: 0;
}

/* ============================================================
   TECHNOLOGIES GRID
   ============================================================ */
.fa-tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.fa-tech-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 0.75rem;
    padding: 2.25rem 1.75rem 1.75rem;
    text-decoration: none;
    color: inherit;
    overflow: hidden;
    transition: box-shadow 0.35s, transform 0.35s;
}

.fa-tech-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0540F2, #70A7FF);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.fa-tech-card:hover .fa-tech-accent {
    transform: scaleX(1);
}

.fa-tech-card:hover {
    box-shadow: 0 1rem 3rem rgba(5, 64, 242, 0.1);
    transform: translateY(-0.375rem);
}

.fa-tech-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.fa-tech-card h3 {
    font-family: 'Kanit', sans-serif;
    font-size: 1.1875rem;
    font-weight: 600;
    color: var(--color-dark);
    margin: 0;
}

.fa-tech-badge {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--color-primary);
    background: rgba(5, 64, 242, 0.06);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    border: 1px solid rgba(5, 64, 242, 0.1);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.fa-tech-body {
    flex: 1;
}

.fa-tech-body p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.65;
    margin: 0 0 1.5rem;
}

.fa-tech-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-top: auto;
    transition: color 0.25s;
}

.fa-tech-arrow {
    font-size: 1rem;
    transition: transform 0.25s;
}

.fa-tech-card:hover .fa-tech-arrow {
    transform: translateX(0.375rem);
}

.fa-tech-card:hover .fa-tech-link {
    color: var(--color-primary-light);
}

/* ============================================================
   MATERIALS GRID — Barre latérale gradient, sans emoji
   ============================================================ */
.fa-materials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.fa-material-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 0.75rem;
    padding: 2.25rem 1.75rem;
    text-decoration: none;
    color: inherit;
    transition: box-shadow 0.3s, transform 0.3s;
    position: relative;
    overflow: hidden;
}

/* Barre latérale gauche — visible par défaut, subtile */
.fa-material-bar {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #0540F2, #70A7FF);
    opacity: 0.2;
    transition: opacity 0.3s;
}

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

.fa-material-card:hover .fa-material-bar {
    opacity: 1;
}

.fa-material-card h3 {
    font-family: 'Kanit', sans-serif;
    font-size: 1.1875rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.75rem;
}

.fa-material-card p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.65;
    margin-bottom: 1.5rem;
    flex: 1;
}

.fa-material-link {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary);
    transition: color 0.25s;
}

.fa-material-card:hover .fa-material-link {
    color: var(--color-primary-light);
}

/* ============================================================
   APPROACH GRID
   ============================================================ */
.fa-approach-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.fa-approach-card {
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 0.75rem;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: box-shadow 0.3s, transform 0.3s;
}

.fa-approach-card:hover {
    box-shadow: 0 0.75rem 2.5rem rgba(5, 64, 242, 0.08);
    transform: translateY(-0.25rem);
}

.fa-approach-number {
    font-family: 'Kanit', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: rgba(5, 64, 242, 0.08);
    line-height: 1;
    margin-bottom: 1rem;
}

.fa-approach-card:hover .fa-approach-number {
    color: rgba(5, 64, 242, 0.15);
}

.fa-approach-card h3 {
    font-family: 'Kanit', sans-serif;
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.75rem;
}

.fa-approach-card p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.65;
    margin: 0;
}

/* ============================================================
   SECTORS GRID
   ============================================================ */
.fa-sectors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.fa-sector-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 0.75rem;
    padding: 2rem 1.5rem;
    text-decoration: none;
    color: inherit;
    transition: box-shadow 0.3s, transform 0.3s;
    position: relative;
    overflow: hidden;
}

.fa-sector-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0540F2, #70A7FF);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.fa-sector-card:hover {
    box-shadow: 0 0.75rem 2rem rgba(5, 64, 242, 0.1);
    transform: translateY(-0.25rem);
}

.fa-sector-card:hover::before {
    transform: scaleX(1);
}

.fa-sector-card h3 {
    font-family: 'Kanit', sans-serif;
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.625rem;
}

.fa-sector-card p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 1.25rem;
    flex: 1;
}

.fa-sector-link {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-top: auto;
    transition: color 0.25s;
}

.fa-sector-card:hover .fa-sector-link {
    color: var(--color-primary-light);
}

/* Approach cards — version lien */
a.fa-approach-card {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

a.fa-approach-card:hover {
    box-shadow: 0 0.75rem 2.5rem rgba(5, 64, 242, 0.08);
    transform: translateY(-0.25rem);
}

.fa-use-case-card a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.25s;
}

.fa-use-case-card a:hover {
    border-color: var(--color-primary);
}

.section-lead a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.25s;
}

.section-lead a:hover {
    border-color: var(--color-primary);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 64rem) {
    .fa-tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .fa-sectors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 48rem) {
    .fa-use-cases-grid {
        grid-template-columns: 1fr;
    }
    .fa-tech-grid {
        grid-template-columns: 1fr;
    }
    .fa-materials-grid {
        grid-template-columns: 1fr;
    }
    .fa-approach-grid {
        grid-template-columns: 1fr;
    }
    .fa-sectors-grid {
        grid-template-columns: 1fr;
    }
}