/* ========================================
   ABOUT PAGE - AMÉLIORATIONS
   ======================================== */

/* Hero enrichi */
.about-tagline {
    font-size: 1rem;
    opacity: 0.9;
    margin-top: 0.75rem;
    font-weight: 500;
}

/* Bio de l'auteur */
.author-bio-section {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border: none;
}

.author-bio-header {
    display: flex;
    gap: 2rem;
    align-items: center;
    margin-bottom: 2.5rem;
    padding: 2rem;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.author-avatar-large {
    flex-shrink: 0;
}

.author-avatar-large img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 5px solid #3b82f6;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.author-bio-intro h2 {
    font-size: 2rem;
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.author-bio-intro h2 i {
    color: #3b82f6;
}

.author-title {
    font-size: 1.25rem;
    color: #3b82f6;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.author-credentials {
    font-size: 0.95rem;
    color: #64748b;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.author-credentials i {
    color: #3b82f6;
    margin-right: 0.25rem;
}

/* Bio content */
.author-bio-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.bio-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    border-left: 4px solid #3b82f6;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.bio-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bio-card h3 i {
    color: #3b82f6;
}

.bio-card p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #475569;
    margin-bottom: 1rem;
}

.bio-card p:last-child {
    margin-bottom: 0;
}

.highlight-bio {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-left-color: #2563eb;
}

.author-quote {
    font-style: italic;
    font-size: 1.125rem;
    line-height: 1.9;
    color: #1e40af;
    margin: 0;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 0.5rem;
    position: relative;
}

.author-quote::before {
    content: '"';
    font-size: 3rem;
    color: #3b82f6;
    position: absolute;
    top: -0.5rem;
    left: 0.5rem;
    opacity: 0.3;
}

/* Grille d'expertise */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.expertise-item {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    padding: 1.75rem;
    border-radius: 0.75rem;
    text-align: center;
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
}

.expertise-item:hover {
    border-color: #3b82f6;
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(59, 130, 246, 0.15);
}

.expertise-item i {
    font-size: 2.5rem;
    color: #3b82f6;
    margin-bottom: 1rem;
}

.expertise-item h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.expertise-item p {
    font-size: 0.95rem;
    color: #64748b;
    margin: 0;
}

/* Mission statement */
.mission-statement {
    font-size: 1.125rem;
    font-weight: 500;
    color: #1e293b;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-radius: 0.75rem;
    border-left: 4px solid #2563eb;
}

/* Public visé */
.audience-section {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.audience-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
}

.audience-card:hover {
    border-color: #3b82f6;
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(59, 130, 246, 0.15);
}

.audience-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
}

.audience-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1rem;
}

.audience-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #64748b;
    margin: 0;
}

/* Démarche éditoriale */
.editorial-section {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
}

.editorial-promise {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    padding: 2rem;
    border-radius: 1rem;
    margin-bottom: 2rem;
    border-left: 4px solid #2563eb;
}

.editorial-promise h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e40af;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.promise-intro {
    font-size: 1.05rem;
    color: #334155;
    margin: 0;
}

/* Process steps */
.process-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 2rem 0;
}

.process-step {
    display: flex;
    gap: 1.5rem;
    background: white;
    padding: 1.75rem;
    border-radius: 1rem;
    border-left: 4px solid #3b82f6;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
}

.step-content h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.step-content p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #64748b;
    margin: 0;
}

/* Quality guarantees */
.quality-guarantees {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.guarantee-item {
    background: #f8fafc;
    padding: 1.25rem;
    border-radius: 0.75rem;
    border-left: 3px solid #3b82f6;
    font-size: 0.95rem;
    color: #475569;
}

.guarantee-item i {
    color: #3b82f6;
    margin-right: 0.5rem;
}

.guarantee-item strong {
    color: #1e293b;
}

/* Disclaimer */
.disclaimer-box {
    background: #fef3c7;
    border: 2px solid #f59e0b;
    border-radius: 1rem;
    padding: 2rem;
    margin-top: 2rem;
}

.disclaimer-box h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #92400e;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.disclaimer-box h4 i {
    color: #f59e0b;
}

.disclaimer-box p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: #78350f;
    margin-bottom: 1rem;
}

.disclaimer-box p:last-child {
    margin-bottom: 0;
}

/* Branding section */
.branding-explanation {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.brand-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    border-top: 4px solid #3b82f6;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.brand-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-card h3 i {
    color: #3b82f6;
}

.brand-card p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: #475569;
    margin-bottom: 0.75rem;
}

.brand-card p:last-child {
    margin-bottom: 0;
}

.brand-card strong {
    color: #1e293b;
    display: block;
    margin-bottom: 0.5rem;
}

.brand-note {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border-left: 4px solid #2563eb;
    display: flex;
    gap: 1rem;
    align-items: start;
}

.brand-note i {
    font-size: 1.5rem;
    color: #2563eb;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.brand-note p {
    font-size: 1rem;
    line-height: 1.7;
    color: #1e40af;
    margin: 0;
}

/* Contact section author signature */
.author-signature {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    margin-top: 3rem;
    border: 2px solid #e2e8f0;
}

.author-signature p {
    font-size: 1.05rem;
    color: #475569;
    margin-bottom: 0.5rem;
}

.signature-name {
    font-size: 2rem;
    font-weight: 800;
    color: #1e293b;
    font-family: 'Brush Script MT', cursive;
    margin: 1rem 0 0.5rem;
}

.signature-title {
    font-size: 0.95rem;
    color: #3b82f6;
    font-weight: 600;
    font-style: italic;
}

.contact-note {
    font-size: 0.875rem;
    color: #64748b;
    font-style: italic;
    margin-top: 0.5rem;
}

/* Footer domain */
.footer-domain {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    font-family: monospace;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .author-bio-header {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }
    
    .author-avatar-large img {
        width: 120px;
        height: 120px;
    }
    
    .author-bio-intro h2 {
        font-size: 1.5rem;
        justify-content: center;
    }
    
    .author-title {
        font-size: 1.125rem;
    }
    
    .author-credentials {
        justify-content: center;
        font-size: 0.875rem;
    }
    
    .bio-card {
        padding: 1.5rem;
    }
    
    .bio-card h3 {
        font-size: 1.25rem;
    }
    
    .bio-card p {
        font-size: 1rem;
    }
    
    .author-quote {
        font-size: 1rem;
        padding: 1.25rem;
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .expertise-item {
        padding: 1.5rem;
    }
    
    .expertise-item i {
        font-size: 2rem;
    }
    
    .audience-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .audience-icon {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
    }
    
    .process-step {
        flex-direction: column;
        padding: 1.5rem;
    }
    
    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
    
    .quality-guarantees {
        grid-template-columns: 1fr;
    }
    
    .branding-explanation {
        grid-template-columns: 1fr;
    }
    
    .brand-note {
        flex-direction: column;
        text-align: center;
    }
    
    .signature-name {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .author-avatar-large img {
        width: 100px;
        height: 100px;
    }
    
    .author-bio-intro h2 {
        font-size: 1.35rem;
    }
    
    .bio-card {
        padding: 1.25rem;
    }
    
    .author-quote {
        font-size: 0.95rem;
        padding: 1rem;
    }
    
    .expertise-item {
        padding: 1.25rem;
    }
    
    .process-step {
        padding: 1.25rem;
    }
    
    .disclaimer-box {
        padding: 1.5rem;
    }
}

/* Animation d'entrée */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.about-section {
    animation: fadeInUp 0.6s ease-out;
}

.about-section:nth-child(1) { animation-delay: 0.1s; }
.about-section:nth-child(2) { animation-delay: 0.2s; }
.about-section:nth-child(3) { animation-delay: 0.3s; }
.about-section:nth-child(4) { animation-delay: 0.4s; }