.subtitle {
    font-size: 1.2em;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 50px;
    font-weight: 300;
    text-align: center;
}

.section {
    margin-bottom: 40px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border-left: 3px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.section:hover {
    background: rgba(255, 255, 255, 0.05);
}

.section-title {
    font-size: 1.6em;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

.section-content {
    font-size: 1em;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
}

.section-content p {
    margin-bottom: 15px;
}

.highlight {
    color: white;
    font-weight: 500;
}

/* Grille de compétences */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.skill-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px 25px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    font-size: 1em;
    transition: all 0.3s ease;
    color: white;
}

.skill-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
}

/* Timeline */
.timeline-item {
    padding-left: 30px;
    border-left: 2px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 20px;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 5px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: white;
}

.timeline-year {
    font-size: 0.9em;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 600;
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timeline-content {
    font-size: 1em;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 768px) {
    .section {
        padding: 20px;
    }

    .section-title {
        font-size: 1.4em;
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
}