.collection-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
    line-height: 1.6;
    color: #333;
    font-size: 16px;
}

.collection-header {
    text-align: center;
    margin-bottom: 50px;
    border-bottom: 2px solid #e0e0e0;
    padding-bottom: 30px;
}

.collection-title {
    font-size: 2.5em;
    font-weight: 300;
    margin-bottom: 15px;
    color: #2c3e50;
}

.collection-tagline {
    font-size: 1.3em;
    color: #7f8c8d;
    font-style: italic;
}

.collection-section {
    margin-bottom: 50px;
}

.collection-section h3 {
    font-size: 1.8em;
    color: #2c3e50;
    margin-bottom: 20px;
    border-left: 0px solid #497ec3;
    padding-left: 0px;
}

.collection-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.collection-feature {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 8px;
    border-left: 4px solid #7b7d7e;
}

.collection-feature h4 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.collection-colors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.collection-color-item {
    text-align: center;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 5px;
}

.collection-color-name {
    font-weight: bold;
    margin-bottom: 5px;
}

.collection-color-desc {
    font-size: 0.9em;
    color: #666;
}

.collection-formats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.collection-format-item {
    text-align: center;
    padding: 15px;
    background: #e9ecef;
    border-radius: 5px;
    font-weight: bold;
}

.collection-tech {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 8px;
    margin-top: 20px;
}

.collection-tech-item {
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid #dee2e6;
    padding-bottom: 5px;
}

.collection-tech-name {
    font-weight: bold;
}

.collection-decoration {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.collection-decoration-item {
    text-align: center;
    padding: 15px;
}

.collection-specials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.collection-special-item {
    text-align: center;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #497ec3;
}

.collection-special-item h4 {
    margin-bottom: 10px;
    color: #2c3e50;
}

.collection-catalog-link {
    display: inline-block;
    background: #dc3545;
    color: white;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    margin-top: 30px;
    transition: background 0.3s;
    text-align: center;
}

.collection-catalog-link:hover {
    background: #c82333;
    color: white;
}

@media (max-width: 768px) {
    .collection-title {
        font-size: 2em;
    }
    
    .collection-features {
        grid-template-columns: 1fr;
    }
}