/* =========================================
   CHANGELOG / VERSIONS SECTION (Timeline)
   ========================================= */

.changelog-section {
    background-color: var(--white);
    padding: 6rem 2rem;
    border-top: 1px solid var(--border-color);
}

.changelog-container {
    max-width: 1000px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 4rem;
}

.timeline {
    position: relative;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    height: 100%;
    width: 2px;
    background-color: var(--border-color);
}

.version-block {
    position: relative;
    margin-bottom: 3rem;
    transition: all 0.3s ease;
}

.version-dot {
    position: absolute;
    left: -3rem;
    top: 5px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--white);
    border: 3px solid var(--text-muted);
    z-index: 2;
    transition: all 0.3s ease;
}

.version-content {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.version-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.version-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-dark);
}

.version-date {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

.version-changes {
    list-style: none;
    color: var(--text-muted);
    font-size: 1rem;
}

.version-changes li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.version-changes li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.version-block.current .version-dot {
    border-color: var(--primary-color);
    background-color: var(--primary-color);
    box-shadow: 0 0 0 5px rgba(45, 90, 39, 0.15);
}

.version-block.current .version-content {
    border-color: rgba(45, 90, 39, 0.3);
    background-color: var(--white);
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.05);
}

.version-block.current .version-number {
    color: var(--primary-color);
}