/* Custom CSS for Developer Tools by Udaiappa Ramachandran */

/* SEO-friendly heading hierarchy */
h1 {
    font-size: 1.75rem;
    font-weight: 600;
    color: #212529;
}

h2 {
    font-size: 1.5rem;
    font-weight: 500;
}

h3 {
    font-size: 1.25rem;
    font-weight: 500;
}

/* Enhanced visual hierarchy for better UX */
.card-header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.card-header h4 {
    font-size: 1.25rem;
    margin-bottom: 0;
}

/* Social links styling */
.social-links a {
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.social-links a:hover {
    opacity: 0.8;
    transform: translateY(-2px);
}

/* Enhanced alert styling */
.alert-heading {
    font-weight: 600;
}

/* Button hover effects */
.btn {
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* Card hover effects for better interactivity */
.card {
    transition: all 0.3s ease;
    border: 1px solid rgba(0,0,0,0.125);
}

.card:hover {
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

/* QR Code styling */
.qr-code-container {
    background: white;
    padding: 20px;
    border-radius: 10px;
    border: 2px solid #e9ecef;
}

/* Form enhancements */
.form-control:focus {
    border-color: #80bdff;
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,0.25);
}

/* Footer styling */
footer {
    margin-top: auto;
}

/* Responsive text adjustments */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1rem;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    .display-5 {
        font-size: 2rem;
    }
}

/* Accessibility improvements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* Print styles for better SEO */
@media print {
    .no-print {
        display: none;
    }
    
    .container {
        width: 100% !important;
        max-width: none !important;
    }
}