.repertoire-page {
    position: relative;
    min-height: 100vh;
    padding: 80px 20px 60px;
}

.repertoire-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('/images/Repertoire.jpg');
    background-size: cover;
    background-position: center;
    opacity: 1;
    z-index: -1;
}

.repertoire-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.repertoire-title {
    text-align: center;
    font-size: 2.5rem;
    color: #555;
    margin-bottom: 40px;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 15px;
}

.repertoire-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background-color: #555;
}

.repertoire-categories {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.category {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: #f8f8f8;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.category-header:hover {
    background: #f0f0f0;
}

.category-header h2 {
    margin: 0;
    font-size: 1.5rem;
    color: #333;
    text-transform: uppercase;
}

.arrow {
    font-size: 1.2rem;
    color: #666;
    transition: transform 0.3s ease;
}

.category-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 20px;
}

.composer {
    padding: 20px 0;
    border-bottom: 1px solid #eee;
}

.composer:last-child {
    border-bottom: none;
}

.composer h3 {
    color: #444;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.composer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.composer li {
    padding: 8px 0;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.composer li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #999;
}

.book-footer {
    position: relative;
    background: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
    margin-top: 40px;
}

.book-footer::before,
.book-footer::after {
    content: '';
    position: absolute;
    bottom: 0;
    width: 50%;
    height: 20px;
    background: #222;
}

.book-footer::before {
    left: 0;
    transform: skewY(3deg);
    transform-origin: bottom right;
}

.book-footer::after {
    right: 0;
    transform: skewY(-3deg);
    transform-origin: bottom left;
}

@media (max-width: 1024px) {
    .repertoire-section {
        padding: 20px;
    }

    .repertoire-title {
        font-size: 2rem;
    }

    .category-header h2 {
        font-size: 1.2rem;
    }
}

.sticky-header .nav-link {
    font-weight: 500;
}
.sticky-header .nav-link.active {
    font-weight: 700;
}

.lang-btn {
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
}