.expertise {
    padding: var(--spacing-section) 0;
}

.expertise-header {
    text-align: center;
    position: relative;
    margin-bottom: 60px;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.expertise-title {
    font-size: var(--fs-section-title);
    font-weight: 500;
}

.expertise-title strong {
    font-weight: 800;
}

@keyframes decor-float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33%       { transform: translateY(-6px) rotate(6deg); }
    66%       { transform: translateY(3px) rotate(-4deg); }
}

.expertise-title-decor {
    position: absolute;
    top: -30px;
    right: -40px;
    width: 50px;
    animation: decor-float 4s ease-in-out infinite;
    transform-origin: center;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1440px;
    margin: 0 auto;
}

/* service-card dans le contexte expertise */
.expertise-grid .service-card {
    background: var(--color-card-bg);
    border-radius: var(--radius-card);
    padding: 20px 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: var(--transition-card);
    overflow: hidden;
    max-height: 1000px;
    box-shadow: var(--shadow-card);
}

.expertise-grid .service-card.expertise-card--hidden {
    display: none;
}

.expertise-grid .card-title {
    font-size: var(--fs-card-title);
    font-weight: 600;
    margin-top: 0;
}

.expertise-grid .card-description {
    color: #777;
    font-size: var(--fs-small);
    margin: 0;
}

.expertise-grid .card-link {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    color: var(--color-primary);
    text-decoration: none;
    margin-top: auto;
    transition: color var(--transition-base);
}

.expertise-grid .card-link .arrow {
    display: inline-block;
    margin-left: 5px;
    transition: transform 0.2s ease-in-out;
}

.expertise-grid .card-link:hover .arrow {
    transform: translateX(5px);
}

.expertise-grid .card-link img {
    transition: transform var(--transition-base);
}

.expertise-more {
    text-align: right;
    max-width: 1440px;
    margin: 20px auto;
}

.expertise-btn-more {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 15px;
    transition: all var(--transition-base);
}

.expertise-btn-more:hover {
    color: var(--color-primary);
}

.expertise-btn-more img {
    width: 60px;
    transition: transform var(--transition-base);
}

.expertise-btn-more:hover img {
    transform: translateX(5px);
}

/* ── Responsive expertise ── */
@media (max-width: 1024px) {
    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
        padding: 0 20px;
    }

    .expertise-more {
        padding: 0 20px;
    }
}

@media (max-width: 768px) {
    .expertise { padding: var(--spacing-section-sm) 20px; }
    .expertise-title { font-size: var(--fs-section-title-lg); }
    .expertise-grid { grid-template-columns: 1fr; gap: 16px; padding: 0; }
    .expertise-header { margin-bottom: 28px; }
    .expertise-more   { text-align: center; padding: 0; }
    .expertise-btn-more { justify-content: center;}
    .expertise-grid .service-card     { padding: 24px 26px; }
    .expertise-title-decor { top: -45px; right: 0; }
}