/* about.css - Collapsible sections styles for About page */

/* Collapsible Section Styles */
.collapsible-section {
    margin-bottom: 20px;
    border: 1px solid rgba(147, 112, 219, 0.3);
    border-radius: 8px;
    overflow: hidden;
    background: rgba(75, 0, 130, 0.1);
    transition: all 0.3s ease;
}

.collapsible-section:hover {
    border-color: rgba(147, 112, 219, 0.5);
    box-shadow: 0 4px 8px rgba(147, 112, 219, 0.2);
}

.collapsible-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    user-select: none;
}

.collapsible-header:hover {
    background: rgba(147, 112, 219, 0.1);
}

.collapsible-header h1 {
    margin: 0;
    font-family: var(--font-heading);
    font-size: 28px;
    color: var(--primary-color);
    font-weight: 400;
}

.collapsible-icon {
    font-size: 20px;
    color: var(--accent-color);
    transition: transform 0.3s ease;
}

.collapsible-section.active .collapsible-icon {
    transform: rotate(180deg);
}

.collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 25px;
}

.collapsible-section.active .collapsible-content {
    max-height: 1000px;
    padding: 0 25px 25px 25px;
}

.collapsible-content h3 {
    margin-top: 25px;
    margin-bottom: 15px;
    font-family: var(--font-heading);
    color: var(--accent-color);
    font-size: 20px;
}

.collapsible-content h3 u {
    text-decoration-color: var(--primary-color);
}

.collapsible-content p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: #d0d0d0;
}

/* Animation for smooth opening */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.collapsible-section.active .collapsible-content > * {
    animation: fadeIn 0.5s ease forwards;
}