/* Colorado Postal Encyclopedia Styles */
.colorado-postal-container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.colorado-postal-container h1 {
    color: #2c3e50;
    font-size: 2.5em;
    margin-bottom: 20px;
    text-align: center;
}

.colorado-postal-container .intro-text {
    color: #555;
    font-size: 1.05em;
    text-align: left;
    margin-bottom: 30px;
    line-height: 1.8;
}

.colorado-postal-container .instructions {
    color: #d32f2f;
    font-size: 1.1em;
    font-weight: 600;
    text-align: center;
    margin: 30px 0;
}

.colorado-postal-container .publications-grid {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 20px;
}

.colorado-postal-container .publication-box {
    width: 240px;
    height: 293px;
    background-color: #c8e6c9;
    background-image: -webkit-linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    background-image: -moz-linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    background-image: -o-linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    background-image: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    border: 2px solid #9e9e9e;
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.colorado-postal-container .publication-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.colorado-postal-container .scan-placeholder {
    width: 200px;
    height: 253px;
    background-color: #fff;
    border: 1px dashed #999;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 0.9em;
    border-radius: 4px;
}

/* Responsive Design for Mobile */
@media (max-width: 768px) {
    .colorado-postal-container {
        padding: 20px;
    }
    
    .colorado-postal-container h1 {
        font-size: 1.8em;
    }
    
    .colorado-postal-container .intro-text {
        font-size: 1em;
    }
    
    .colorado-postal-container .instructions {
        font-size: 1em;
    }
    
    .colorado-postal-container .publications-grid {
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .colorado-postal-container {
        padding: 15px;
    }
    
    .colorado-postal-container h1 {
        font-size: 1.5em;
        margin-bottom: 15px;
    }
    
    .colorado-postal-container .intro-text {
        font-size: 0.95em;
        margin-bottom: 20px;
    }
    
    .colorado-postal-container .instructions {
        font-size: 0.95em;
        margin: 20px 0;
    }
}