/* Styles spécifiques au CV */
.cv-section {
    padding: 4rem 0;
}

.cv-section:nth-child(even) {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.timeline-item {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 5px;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary) 0%, var(--accent) 50%, transparent 100%);
    opacity: 0.8;
    border-radius: 1px;
}

.timeline {
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -4px;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    background: radial-gradient(circle, var(--primary) 0%, var(--primary) 60%, transparent 100%);
    border-radius: 50%;
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 0 1px var(--primary), 0 0 15px rgba(99, 102, 241, 0.4);
    z-index: 2;
    transition: all 0.3s ease;
}

.timeline-item:hover::before {
    transform: translateY(-50%) scale(1.2);
    box-shadow: 0 0 0 1px var(--primary), 0 0 25px rgba(99, 102, 241, 0.6);
}

.timeline-item::after {
    display: none;
}

.timeline-item:last-child::after {
    display: none;
}

.timeline-content {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    backdrop-filter: var(--backdrop-blur);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.timeline-title {
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.timeline-organization {
    color: var(--text-primary);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    opacity: 0.9;
}

.timeline-organization::before {
    content: '🏢';
    font-size: 1rem;
    filter: grayscale(0.3);
}

.timeline-period {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.4rem;
    display: inline-flex;
    align-items: center;
    background: rgba(139, 92, 246, 0.08);
    padding: 0.4rem 1rem;
    border-radius: 25px;
    border: 1px solid rgba(139, 92, 246, 0.2);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    font-size: 0.8rem;
}

.timeline-period::before {
    content: '📅';
    margin-right: 0.5rem;
    font-size: 0.9rem;
}

.timeline-description {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.98rem;
    margin-top: 0.5rem;
}

.timeline-description p {
    margin-bottom: 1rem;
}

.timeline-description p:last-child {
    margin-bottom: 0;
}

.timeline-description ul {
    margin: 0.8rem 0;
    padding-left: 1.2rem;
}

.timeline-description li {
    margin-bottom: 0.4rem;
    position: relative;
}

.timeline-description li::marker {
    color: var(--accent);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    backdrop-filter: var(--backdrop-blur);
}

.skill-category h3 {
    color: var(--primary);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
}

.skill-item {
    margin-bottom: 1.5rem;
}

.skill-name {
    display: flex;
    justify-content: space-between;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.skill-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 4px;
    transition: width 1s ease-in-out;
}

.hero-cv {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-cv::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, var(--primary)20, transparent 50%),
        radial-gradient(circle at 80% 20%, var(--accent)20, transparent 50%);
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 0 auto 2rem;
    border: 4px solid var(--primary);
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.3);
    overflow: hidden;
}

.hero-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.language-switcher {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1000;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    backdrop-filter: var(--backdrop-blur);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.language-switcher:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    backdrop-filter: var(--backdrop-blur);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.project-title {
    color: var(--primary);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.project-period {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.project-role {
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 1rem;
}

.project-link {
    color: var(--primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    /* Amélioration pour les petits écrans */
    .cv-section {
        padding: 2.5rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-content {
        padding: 0 1rem;
        text-align: center;
    }
    
    .hero-avatar {
        width: 150px;
        height: 150px;
        margin: 0 auto 2rem auto;
    }
    
    .timeline-content {
        padding: 1.5rem;
    }
    
    .timeline-title {
        font-size: 1.3rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .certificates-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .language-switcher {
        top: 70px !important;
        right: 1rem !important;
    }
}

@media (max-width: 480px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Optimisations pour très petits écrans */
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-avatar {
        width: 120px;
        height: 120px;
    }
    
    .timeline-item {
        padding-left: 1.5rem;
    }
    
    .timeline-content {
        padding: 1rem;
    }
    
    .contact-card {
        padding: 1.5rem;
        min-height: 140px;
    }
    
    .contact-icon {
        font-size: 1.5rem;
    }
    
    .language-switcher {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
        max-width: 800px;
    }
}

.contact-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    backdrop-filter: var(--backdrop-blur);
    text-align: center;
    transition: var(--transition);
    min-height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.contact-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.contact-value {
    color: var(--text-primary);
    font-weight: 500;
}

.contact-value a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.contact-value a:hover {
    color: var(--accent);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .certificates-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1025px) {
    .certificates-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.certificate-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    backdrop-filter: var(--backdrop-blur);
    text-align: center;
    transition: var(--transition);
    min-height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.certificate-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.certificate-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.certificate-title {
    color: var(--text-primary);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
}

.certificate-issuer {
    color: var(--accent);
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.certificate-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
    background: rgba(139, 92, 246, 0.08);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    display: inline-block;
}

.certificate-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 1rem;
    text-align: left;
}

.certificate-description p {
    margin-bottom: 0.5rem;
}

.certificate-description p:last-child {
    margin-bottom: 0;
}

.certificate-description a {
    color: var(--primary);
    text-decoration: none;
}

.certificate-description a:hover {
    color: var(--accent);
}

.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

@media (max-width: 480px) {
    .interests-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .interest-card {
        padding: 2rem;
        min-height: auto;
    }

    .certificates-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .certificate-card {
        padding: 1.8rem;
        min-height: auto;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .contact-card {
        padding: 1.8rem;
        min-height: auto;
    }
}

@media (min-width: 481px) and (max-width: 900px) {
    .interests-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        max-width: 600px;
    }
}

@media (min-width: 901px) and (max-width: 1200px) {
    .interests-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }
}

.interest-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    backdrop-filter: var(--backdrop-blur);
    text-align: left;
    transition: var(--transition);
    height: fit-content;
    min-height: 280px;
    display: flex;
    flex-direction: column;
}

.interest-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.interest-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    display: block;
}

.interest-title {
    color: var(--text-primary);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.interest-title .interest-icon {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 0;
}

.interest-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    text-align: left;
    flex-grow: 1;
}

.interest-description p {
    margin-bottom: 1rem;
}

.interest-description p:last-child {
    margin-bottom: 0;
}

.interest-description a {
    color: var(--primary);
    text-decoration: none;
}

.interest-description a:hover {
    color: var(--accent);
}