/* === STYLES SPÉCIFIQUES À LA PAGE EXPERTISE === */

/* En-tête de page */
.page-header {
    padding: var(--space-xl) 0 var(--space-lg);
    background-color: var(--surface-color);
    border-bottom: var(--border-width) solid var(--border-color);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(to right, var(--color-neon), var(--color-success));
    opacity: 0.7;
}

.page-header h1 {
    font-size: clamp(2.5rem, 8vw, 3.5rem);
    margin: 0 auto var(--space-sm);
    max-width: 100%;
}

.lead {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
}

/* Section domaines techniques */
.tech-areas {
    background-color: var(--bg-color);
}

.tech-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.tech-header h2 {
    margin-left: auto;
    margin-right: auto;
}

.tech-header h2::after {
    margin-left: auto;
    margin-right: auto;
}

.tech-header p {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--grid-gap);
}

/* Cartes technologiques */
.tech-card {
    display: flex;
    flex-direction: column;
    padding: var(--space-md);
    background-color: var(--surface-color);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
    overflow: hidden;
    position: relative;
}

.tech-card::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 3px;
    top: 0;
    left: 0;
    background-color: var(--accent-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

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

.tech-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--space-sm);
    position: relative;
    display: inline-block;
}

/* Liste des technologies */
.tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: var(--space-md);
}

.tech-tag {
    display: inline-block;
    padding: 4px 10px;
    background-color: var(--surface-alt-color);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-color);
    transition: all var(--transition-fast);
}

.tech-tag:hover {
    background-color: var(--accent-color);
    color: var(--bg-color);
    transform: translateY(-2px);
}

.tech-details p {
    font-size: 0.95rem;
    margin-bottom: var(--space-sm);
    line-height: 1.6;
}

.tech-details p:last-child {
    margin-bottom: 0;
}

/* Section méthodologie */
.method-section {
    background-color: var(--surface-color);
}

/* PIPELINE MÉTHODOLOGIQUE HORIZONTAL */
.method-pipeline {
    position: relative;
    padding: 40px 0;
    margin-top: 50px;
}

.pipeline-track {
    position: absolute;
    top: 50px;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--accent-color);
    z-index: 1;
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.pipeline-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}

.pipeline-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 18%;
    position: relative;
    transition: transform 0.3s ease;
}

.pipeline-step:hover {
    transform: translateY(-5px);
}

.step-number {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-color);
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    color: var(--accent-color);
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 3;
    box-shadow: 0 0 0 5px var(--surface-color);
}

.pipeline-step:hover .step-number {
    background-color: var(--accent-color);
    color: var(--bg-color);
    box-shadow: 0 0 15px var(--accent-color);
    transform: scale(1.1);
}

.step-content {
    text-align: center;
    background-color: var(--bg-color);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--space-md);
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    transition: all var(--transition-normal);
    width: 100%;
}

.pipeline-step:hover .step-content {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-md);
}

.step-content h3 {
    font-size: 1.2rem;
    margin-bottom: var(--space-sm);
    color: var(--fg-color);
    transition: color var(--transition-normal);
}

.pipeline-step:hover .step-content h3 {
    color: var(--accent-color);
}

.step-content p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* Version responsive pour mobile */
@media (max-width: 992px) {
    /* Adaptation pipeline en version responsive */
    .pipeline-track {
        width: 4px;
        height: 100%;
        left: 20px;
        top: 0;
    }
    
    .pipeline-steps {
        flex-direction: column;
        gap: var(--space-md);
        margin-top: var(--space-md);
    }
    
    .pipeline-step {
        width: 100%;
        max-width: 100%;
        margin: 0;
        flex-direction: row;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .step-number {
        margin-bottom: 0;
        box-shadow: none;
    }
    
    .step-content {
        text-align: left;
        min-height: auto;
        justify-content: center;
        align-items: flex-start;
    }
    
    .step-content h3 {
        margin-top: 0;
    }
}

/* Section spécialisations */
.specializations {
    background-color: var(--bg-color);
}

.specialization-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--grid-gap);
}

.specialization-card {
    padding: var(--space-md);
    background-color: var(--surface-color);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
    text-align: center;
}

.specialization-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-color);
}

.specialization-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto var(--space-sm);
    color: var(--accent-color);
    transition: transform var(--transition-normal);
}

.specialization-card:hover .specialization-icon {
    transform: scale(1.1);
    animation: pulse 2s infinite alternate;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.15);
    }
}

.specialization-icon svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

.specialization-card h3 {
    font-size: 1.2rem;
    margin-bottom: var(--space-sm);
}

.specialization-card p {
    font-size: 0.95rem;
    margin-bottom: 0;
    line-height: 1.6;
}

/* Section CTA */
.tech-cta {
    background-color: var(--surface-alt-color);
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    margin-left: auto;
    margin-right: auto;
}

.cta-content h2::after {
    margin-left: auto;
    margin-right: auto;
}

.cta-content p {
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--space-md);
}

.cta-content .btn {
    margin-top: var(--space-sm);
}

/* Style particulier pour le lien actif dans la navigation */
.nav-links a.active {
    color: var(--accent-color);
    opacity: 1;
}

.nav-links a.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Responsive */
@media (min-width: 992px) {
    .method-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .method-card {
        flex-direction: column;
        text-align: center;
    }
    
    .method-number {
        margin-right: 0;
        margin-bottom: var(--space-sm);
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .tech-grid {
        grid-template-columns: 1fr;
    }
}