/* Critical CSS */
 
 :root {
     --primary-color: #4361ee;
     --primary-dark: #3a56d4;
     --secondary-color: #3f37c9;
     --accent-color: #4895ef;
     --dark-color: #16213e;
     --light-color: #f8f9fa;
     --text-color: #e6f1ff;
     --text-secondary: #ccd6f6;
     --text-tertiary: #a8b2d1;
     --gray-color: #6c757d;
     --success-color: #4bb543;
     --error-color: #ff3333;
     --warning-color: #ffcc00;
     --footer-bg: #0a192f;
     --footer-text: #e6f1ff;
     --footer-link: #64ffda;
     --card-bg: rgba(16, 42, 87, 0.7);
     --card-border: rgba(67, 97, 238, 0.2);
     --tool-card-bg: rgba(16, 42, 87, 0.5);
     --modal-bg: rgba(10, 25, 47, 0.95);
 }
 
 body {
     font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
     line-height: 1.6;
     color: var(--text-color);
     background-color: #0a192f;
     background-image: linear-gradient(135deg, #0a192f 0%, #172a45 100%);
     margin: 0;
     padding: 0;
     overflow-x: hidden;
 }
 
 .container {
     max-width: 1200px;
     margin: 0 auto;
     padding: 0 20px;
 }
 
 /* Enhanced Heading Design */
 .header {
     text-align: center;
     padding: 50px 0 30px;
     background: linear-gradient(135deg, rgba(16, 42, 87, 0.8) 0%, rgba(10, 25, 47, 0.6) 100%);
     border-radius: 0 0 30px 30px;
     margin-bottom: 40px;
     position: relative;
     overflow: hidden;
 }

 .header::before {
     content: "";
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     bottom: 0;
     background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="%234361ee" opacity="0.05"><polygon points="0,0 1000,50 1000,100 0,100"/></svg>');
     background-size: cover;
 }

 .header-content {
     position: relative;
     z-index: 2;
 }

 .main-heading {
     margin-bottom: 30px;
 }

 .heading-gradient {
     background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     background-clip: text;
     font-size: clamp(2rem, 5vw, 3.5rem);
     font-weight: 800;
     line-height: 1.2;
     display: block;
     margin-bottom: 15px;
 }

 .heading-subtitle {
     color: var(--text-secondary);
     font-size: clamp(1.1rem, 2.5vw, 1.4rem);
     font-weight: 400;
     display: block;
     line-height: 1.4;
 }

 .heading-features {
     display: flex;
     justify-content: center;
     gap: 20px;
     flex-wrap: wrap;
     margin-top: 30px;
 }

 .feature-badge {
     display: flex;
     align-items: center;
     gap: 8px;
     background: rgba(67, 97, 238, 0.1);
     border: 1px solid rgba(67, 97, 238, 0.3);
     padding: 10px 20px;
     border-radius: 25px;
     color: var(--text-color);
     font-size: 0.9rem;
     font-weight: 500;
     transition: all 0.3s ease;
 }

 .feature-badge:hover {
     background: rgba(67, 97, 238, 0.2);
     transform: translateY(-2px);
     border-color: var(--accent-color);
 }

 .feature-badge i {
     color: var(--accent-color);
     font-size: 1rem;
 }
 
 /* Features Section - Horizontal Layout */
 .features-section {
     margin: 40px 0;
     padding: 40px 0;
 }
 
 .features-section h2 {
     text-align: center;
     color: var(--primary-color);
     margin-bottom: 40px;
     font-size: 2rem;
 }
 
 .features-grid {
     display: grid;
     grid-template-columns: repeat(4, 1fr);
     gap: 20px;
     margin-top: 30px;
 }
 
 .feature-card {
     background: var(--card-bg);
     padding: 25px 20px;
     border-radius: 12px;
     text-align: center;
     border: 1px solid var(--card-border);
     transition: all 0.3s ease;
     min-height: 200px;
     display: flex;
     flex-direction: column;
     justify-content: center;
 }
 
 .feature-card:hover {
     transform: translateY(-5px);
     border-color: var(--accent-color);
     box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
 }
 
 .feature-icon {
     width: 60px;
     height: 60px;
     background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     margin: 0 auto 15px;
     font-size: 1.5rem;
     color: white;
 }
 
 .feature-card h3 {
     color: var(--text-color);
     margin-bottom: 12px;
     font-size: 1.1rem;
     font-weight: 600;
 }
 
 .feature-card p {
     color: var(--text-secondary);
     line-height: 1.5;
     margin: 0;
     font-size: 0.9rem;
 }
 
 /* Steps Section - Horizontal Layout */
 .steps-section {
     margin: 40px 0;
     padding: 40px 0;
     background: var(--card-bg);
     border-radius: 16px;
 }
 
 .steps-section h2 {
     text-align: center;
     color: var(--primary-color);
     margin-bottom: 40px;
     font-size: 2rem;
 }
 
 .steps-grid {
     display: grid;
     grid-template-columns: repeat(4, 1fr);
     gap: 20px;
     max-width: 1000px;
     margin: 0 auto;
 }
 
 .step-card {
     text-align: center;
     position: relative;
     padding: 0 10px;
 }
 
 .step-number {
     position: absolute;
     top: -15px;
     left: 50%;
     transform: translateX(-50%);
     width: 35px;
     height: 35px;
     background: var(--accent-color);
     color: white;
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     font-weight: bold;
     font-size: 1rem;
     border: 3px solid var(--card-bg);
     z-index: 2;
 }
 
 .step-icon {
     width: 70px;
     height: 70px;
     background: rgba(72, 149, 239, 0.1);
     border: 2px solid var(--accent-color);
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     margin: 0 auto 15px;
     font-size: 1.8rem;
     color: var(--accent-color);
     transition: all 0.3s ease;
 }
 
 .step-card:hover .step-icon {
     background: var(--accent-color);
     color: white;
     transform: scale(1.05);
 }
 
 .step-card h3 {
     color: var(--text-color);
     margin-bottom: 8px;
     font-size: 1.1rem;
     font-weight: 600;
 }
 
 .step-card p {
     color: var(--text-secondary);
     line-height: 1.4;
     margin: 0;
     font-size: 0.85rem;
 }
 
 /* Compact Converter Styles */
 .converter-card.compact {
     max-width: 600px;
     margin: 40px auto 30px;
     padding: 25px;
     background-color: var(--card-bg);
     border-radius: 12px;
     box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
 }
 
 .converter-card.compact .upload-section {
     padding: 30px 20px;
     border: 2px dashed #4895ef;
     border-radius: 8px;
     text-align: center;
     position: relative;
     transition: all 0.3s ease;
     background: rgba(72, 149, 239, 0.05);
     min-height: 200px;
     display: flex;
     align-items: center;
     justify-content: center;
 }
 
 /* Upload Section - Hide content when file selected */
 .upload-section.has-file .upload-content {
     display: none;
 }
 
 .upload-section.has-file {
     padding: 20px;
     min-height: auto;
 }
 
 .converter-card.compact .upload-icon {
     font-size: 2.5rem;
     color: #4895ef;
     margin-bottom: 10px;
     transition: all 0.3s ease;
 }
 
 .converter-card.compact .upload-heading {
     font-size: 1.3rem;
     margin-bottom: 15px;
     color: var(--text-color);
 }
 
 .browse-btn {
     background-color: var(--accent-color);
     color: white;
     border: none;
     padding: 12px 24px;
     border-radius: 8px;
     font-size: 1rem;
     cursor: pointer;
     transition: all 0.3s;
     margin-top: 15px;
 }
 
 .browse-btn:hover {
     background-color: var(--primary-dark);
     transform: translateY(-2px);
 }
 
 .size-notice {
     color: var(--text-tertiary);
     font-size: 0.9rem;
     margin: 10px 0 0;
 }
 
 .file-info {
     display: none;
     align-items: center;
     justify-content: space-between;
     background-color: rgba(16, 42, 87, 0.5);
     padding: 12px 15px;
     border-radius: 8px;
     margin-top: 15px;
     width: 100%;
 }
 
 .remove-btn {
     background: none;
     border: none;
     color: var(--error-color);
     font-size: 1.2rem;
     cursor: pointer;
     padding: 0 5px;
 }
 
 /* Trust Note */
 .trust-note {
     text-align: center;
     color: var(--text-tertiary);
     font-size: 0.9rem;
     margin: 20px 0 0 0;
     padding: 15px;
     background: rgba(16, 42, 87, 0.3);
     border-radius: 8px;
     border: 1px solid var(--card-border);
     display: flex;
     align-items: center;
     justify-content: center;
     gap: 10px;
 }
 
 .trust-note i {
     color: var(--success-color);
     font-size: 1rem;
 }
 
 /* Settings Toggle */
 .settings-toggle {
     margin: 20px 0;
     display: none;
 }
 
 .settings-btn {
     background: rgba(16, 42, 87, 0.5);
     border: 1px solid var(--card-border);
     color: var(--text-color);
     padding: 12px 15px;
     border-radius: 8px;
     width: 100%;
     display: flex;
     align-items: center;
     justify-content: center;
     cursor: pointer;
     transition: all 0.3s;
     font-size: 1rem;
     gap: 10px;
 }
 
 .settings-btn:hover {
     background: rgba(16, 42, 87, 0.7);
     border-color: var(--accent-color);
     transform: translateY(-1px);
 }
 
 /* Settings Modal */
 .settings-modal {
     display: none;
     position: fixed;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background-color: var(--modal-bg);
     z-index: 1000;
     animation: fadeIn 0.3s ease;
 }
 
 .settings-modal-content {
     position: absolute;
     top: 50%;
     left: 50%;
     transform: translate(-50%, -50%);
     background: var(--card-bg);
     border-radius: 12px;
     width: 90%;
     max-width: 400px;
     box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
     animation: slideUp 0.3s ease;
 }
 
 .settings-modal-header {
     padding: 20px;
     border-bottom: 1px solid var(--card-border);
     display: flex;
     justify-content: space-between;
     align-items: center;
 }
 
 .settings-modal-header h3 {
     margin: 0;
     color: var(--primary-color);
     font-size: 1.3rem;
 }
 
 .close-settings {
     background: none;
     border: none;
     color: var(--text-color);
     font-size: 1.5rem;
     cursor: pointer;
     padding: 0;
     width: 30px;
     height: 30px;
     display: flex;
     align-items: center;
     justify-content: center;
     border-radius: 50%;
     transition: all 0.3s;
 }
 
 .close-settings:hover {
     background: rgba(255, 255, 255, 0.1);
 }
 
 .settings-modal-body {
     padding: 20px;
 }
 
 .settings-modal-footer {
     padding: 20px;
     border-top: 1px solid var(--card-border);
     text-align: right;
 }
 
 .apply-settings {
     background-color: var(--accent-color);
     color: white;
     border: none;
     padding: 12px 24px;
     border-radius: 8px;
     font-size: 1rem;
     cursor: pointer;
     transition: all 0.3s;
 }
 
 .apply-settings:hover {
     background-color: var(--primary-dark);
     transform: translateY(-1px);
 }
 
 .quality-labels {
     display: flex;
     justify-content: space-between;
     margin-top: 8px;
     font-size: 0.85rem;
     color: var(--text-tertiary);
 }
 
 /* Progress Section */
 .progress-container {
     display: none;
     margin-bottom: 20px;
 }
 
 .progress-info {
     display: flex;
     justify-content: space-between;
     margin-bottom: 5px;
     font-size: 0.9rem;
     color: var(--text-secondary);
 }
 
 .progress-bar {
     height: 6px;
     background-color: rgba(16, 42, 87, 0.7);
     border-radius: 3px;
     overflow: hidden;
 }
 
 .progress-bar-fill {
     height: 100%;
     background-color: var(--accent-color);
     width: 0%;
     transition: width 0.3s;
 }
 
 /* Enhanced Progress details styling */
 .progress-details {
     margin-top: 15px;
     display: flex;
     justify-content: space-between;
     align-items: center;
     flex-wrap: wrap;
     gap: 10px;
     font-size: 0.8rem;
     color: var(--text-tertiary);
 }

 .file-size-info {
     display: flex;
     gap: 15px;
     flex-wrap: wrap;
 }

 .file-size-info span {
     display: inline-flex;
     align-items: center;
     gap: 5px;
     font-size: 0.8rem;
     background: rgba(16, 42, 87, 0.5);
     padding: 4px 8px;
     border-radius: 4px;
     border: 1px solid var(--card-border);
 }

 .progress-speed {
     display: flex;
     gap: 15px;
     flex-wrap: wrap;
 }

 .progress-speed span {
     display: inline-flex;
     align-items: center;
     gap: 5px;
     font-size: 0.8rem;
     background: rgba(16, 42, 87, 0.5);
     padding: 4px 8px;
     border-radius: 4px;
     border: 1px solid var(--card-border);
 }

 .progress-speed span::before {
     font-family: 'Font Awesome 5 Free';
     font-weight: 900;
     font-size: 0.7rem;
 }

 #uploadSpeed::before {
     content: "📊";
 }

 #remainingTime::before {
     content: "⏱️";
 }

 /* File size info icons */
 .file-size-info span::before {
     font-family: 'Font Awesome 5 Free';
     font-weight: 900;
     font-size: 0.7rem;
     margin-right: 4px;
 }

 #fileSizeInfo::before {
     content: "📁";
 }

 #uploadedSize::before {
     content: "⬆️";
 }

 #remainingSize::before {
     content: "⏳";
 }
 
 /* Results Popup Modal */
 .results-popup {
     display: none;
     position: fixed;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background-color: var(--modal-bg);
     z-index: 1001;
     animation: fadeIn 0.3s ease;
 }
 
 .results-popup-content {
     position: absolute;
     top: 50%;
     left: 50%;
     transform: translate(-50%, -50%);
     background: var(--card-bg);
     border-radius: 16px;
     width: 90%;
     max-width: 500px;
     box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
     animation: popIn 0.4s ease;
     border: 2px solid rgba(76, 181, 67, 0.3);
 }
 
 .results-popup-header {
     padding: 25px 25px 15px;
     border-bottom: 1px solid var(--card-border);
     display: flex;
     justify-content: space-between;
     align-items: center;
     background: rgba(76, 181, 67, 0.1);
     border-radius: 16px 16px 0 0;
 }
 
 .results-popup-header h3 {
     margin: 0;
     color: var(--success-color);
     font-size: 1.4rem;
     font-weight: 600;
 }
 
 .close-results {
     background: none;
     border: none;
     color: var(--text-color);
     font-size: 1.8rem;
     cursor: pointer;
     padding: 0;
     width: 35px;
     height: 35px;
     display: flex;
     align-items: center;
     justify-content: center;
     border-radius: 50%;
     transition: all 0.3s;
 }
 
 .close-results:hover {
     background: rgba(255, 255, 255, 0.1);
     transform: rotate(90deg);
 }
 
 .results-popup-body {
     padding: 25px;
 }
 
 .file-output-info {
     display: flex;
     align-items: center;
     gap: 15px;
     padding: 20px;
     background: rgba(16, 42, 87, 0.5);
     border-radius: 12px;
     margin-bottom: 25px;
     border: 1px solid var(--card-border);
 }
 
 .file-output-info i {
     font-size: 2.5rem;
     color: var(--success-color);
     flex-shrink: 0;
 }
 
 .file-output-info .file-details {
     display: flex;
     flex-direction: column;
     flex: 1;
 }
 
 .file-name {
     font-weight: 600;
     color: var(--text-color);
     margin-bottom: 6px;
     word-break: break-word;
     font-size: 1.1rem;
 }
 
 .file-size {
     font-size: 0.95rem;
     color: var(--text-tertiary);
 }
 
 .popup-action-buttons {
     display: flex;
     gap: 15px;
     margin-bottom: 25px;
     flex-wrap: wrap;
 }
 
 .download-btn-popup {
     flex: 1;
     min-width: 200px;
     justify-content: center;
     padding: 16px 20px;
     font-size: 1.1rem;
     font-weight: 600;
     background-color: var(--success-color);
     color: white;
     text-decoration: none;
     border-radius: 10px;
     transition: all 0.3s;
     display: flex;
     align-items: center;
     gap: 10px;
     text-align: center;
     border: none;
     cursor: pointer;
 }
 
 .download-btn-popup:hover {
     background-color: #3da336;
     transform: translateY(-2px);
     color: white;
     box-shadow: 0 8px 20px rgba(76, 181, 67, 0.3);
 }
 
 .convert-another-btn {
     flex: 1;
     min-width: 200px;
     justify-content: center;
     padding: 16px 20px;
     font-size: 1.1rem;
     font-weight: 600;
     background-color: var(--accent-color);
     color: white;
     border: none;
     border-radius: 10px;
     transition: all 0.3s;
     display: flex;
     align-items: center;
     gap: 10px;
     cursor: pointer;
 }
 
 .convert-another-btn:hover {
     background-color: var(--primary-dark);
     transform: translateY(-2px);
     box-shadow: 0 8px 20px rgba(67, 97, 238, 0.3);
 }
 
 /* Share Section Popup */
 .share-section-popup {
     text-align: center;
     padding-top: 20px;
     border-top: 1px solid var(--card-border);
 }
 
 .share-section-popup p {
     margin: 0 0 15px 0;
     color: var(--text-secondary);
     font-size: 1rem;
     font-weight: 500;
 }
 
 .social-share-popup {
     display: flex;
     justify-content: center;
     gap: 12px;
     flex-wrap: wrap;
 }
 
 .social-btn {
     width: 48px;
     height: 48px;
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     text-decoration: none;
     transition: all 0.3s;
     border: none;
     cursor: pointer;
     font-size: 1.2rem;
 }
 
 .social-btn.facebook {
     background: #3b5998;
     color: white;
 }
 
 .social-btn.twitter {
     background: #1da1f2;
     color: white;
 }
 
 .social-btn.whatsapp {
     background: #25D366;
     color: white;
 }
 
 .social-btn.linkedin {
     background: #0077b5;
     color: white;
 }
 
 .social-btn.pinterest {
     background: #bd081c;
     color: white;
 }
 
 .social-btn.copy-link {
     background: var(--accent-color);
     color: white;
 }
 
 .social-btn:hover {
     transform: translateY(-3px) scale(1.1);
     box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
 }
 
 @keyframes fadeIn {
     from { opacity: 0; }
     to { opacity: 1; }
 }
 
 @keyframes slideUp {
     from {
         opacity: 0;
         transform: translate(-50%, -40%);
     }
     to {
         opacity: 1;
         transform: translate(-50%, -50%);
     }
 }
 
 @keyframes popIn {
     from {
         opacity: 0;
         transform: translate(-50%, -50%) scale(0.8);
     }
     to {
         opacity: 1;
         transform: translate(-50%, -50%) scale(1);
     }
 }
 
 .control-group {
     margin-bottom: 15px;
 }
 
 .control-group label {
     display: block;
     margin-bottom: 8px;
     color: var(--text-secondary);
     font-weight: 600;
 }
 
 .control-group input[type="range"] {
     width: 100%;
     padding: 8px 0;
     border-radius: 6px;
     background: rgba(16, 42, 87, 0.7);
 }
 
 /* Action Buttons */
 .action-buttons {
     display: none;
     margin: 25px 0;
 }
 
 .convert-btn {
     width: 100%;
     padding: 15px;
     font-size: 1.1rem;
     font-weight: 600;
     background-color: var(--accent-color);
     color: white;
     border: none;
     border-radius: 8px;
     cursor: pointer;
     transition: all 0.3s;
     display: flex;
     align-items: center;
     justify-content: center;
     gap: 10px;
 }
 
 .convert-btn:hover:not(:disabled) {
     background-color: var(--primary-dark);
     transform: translateY(-2px);
 }
 
 .convert-btn:disabled {
     opacity: 0.6;
     cursor: not-allowed;
     transform: none;
 }
 
 .btn-loader {
     display: none;
     width: 20px;
     height: 20px;
     border: 3px solid rgba(255, 255, 255, 0.3);
     border-radius: 50%;
     border-top-color: white;
     animation: spin 1s ease-in-out infinite;
 }
 
 @keyframes spin {
     to {
         transform: rotate(360deg);
     }
 }
 
 .converting .btn-text {
     display: none;
 }
 
 .converting .btn-loader {
     display: inline-block;
 }
 
 .loading-overlay {
     position: fixed;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background-color: rgba(10, 25, 47, 0.9);
     display: flex;
     justify-content: center;
     align-items: center;
     z-index: 9999;
     display: none;
     flex-direction: column;
 }
 
 .spinner {
     width: 50px;
     height: 50px;
     border: 5px solid rgba(255, 255, 255, 0.3);
     border-radius: 50%;
     border-top-color: var(--primary-color);
     animation: spin 1s ease-in-out infinite;
 }
 
 .processing-text {
     margin-top: 20px;
     color: var(--text-color);
     font-size: 1.1rem;
 }
 @keyframes slideIn {
     from {
         transform: translateX(100%);
     }
     to {
         transform: translateX(0);
     }
 }
 
 /* Related Tools Section */
 .related-tools-section {
     margin: 40px 0;
     padding: 30px;
     background-color: var(--card-bg);
     border-radius: 10px;
     border: 1px solid var(--card-border);
 }
 
 .related-tools-section h2 {
     color: var(--primary-color);
     margin-bottom: 25px;
     text-align: center;
     position: relative;
     padding-bottom: 15px;
 }
 
 .related-tools-section h2::after {
     content: "";
     position: absolute;
     bottom: 0;
     left: 50%;
     transform: translateX(-50%);
     width: 80px;
     height: 3px;
     background-color: var(--accent-color);
 }
 
 .tools-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
     gap: 25px;
     margin-top: 20px;
 }
 
 @media (max-width: 768px) {
     .tools-grid {
         grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
         gap: 20px;
     }
 }
 
 .tool-card {
     background-color: var(--tool-card-bg);
     border-radius: 12px;
     padding: 25px;
     transition: all 0.3s ease;
     border: 1px solid var(--card-border);
     display: flex;
     flex-direction: column;
     align-items: flex-start;
 }
 
 .tool-card:hover {
     transform: translateY(-5px);
     box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
     border-color: var(--accent-color);
 }
 
 .tool-icon-container {
     width: 50px;
     height: 50px;
     border-radius: 12px;
     display: flex;
     align-items: center;
     justify-content: center;
     margin-bottom: 15px;
     font-size: 1.5rem;
     color: white;
 }
 
 .tool-card h3 {
     color: var(--primary-color);
     margin-bottom: 12px;
     font-size: 1.2rem;
     font-weight: 600;
 }
 
 .tool-card p {
     color: var(--text-color);
     font-size: 0.95rem;
     margin-bottom: 20px;
     line-height: 1.5;
 }
 
 .tool-card a {
     display: inline-flex;
     align-items: center;
     background-color: var(--accent-color);
     color: white;
     padding: 10px 18px;
     border-radius: 8px;
     text-decoration: none;
     font-weight: 500;
     transition: all 0.3s;
     margin-top: auto;
 }
 
 .tool-card a:hover {
     background-color: var(--footer-link);
     transform: translateY(-2px);
     box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
     color: var(--accent-color);
 }
 
 .tool-card a i {
     margin-left: 8px;
     font-size: 0.9rem;
     transition: transform 0.3s;
 }
 
 .tool-card a:hover i {
     transform: translateX(3px);
 }
 
 /* Blog Section Styling */
 .blog-section {
     margin: 60px 0;
     padding: 50px 0;
     background: linear-gradient(135deg, var(--card-bg) 0%, rgba(16, 42, 87, 0.8) 100%);
     border-radius: 20px;
 }

 .blog-section h2 {
     text-align: center;
     color: var(--primary-color);
     margin-bottom: 50px;
     font-size: 2.2rem;
     position: relative;
 }

 .blog-section h2::after {
     content: "";
     position: absolute;
     bottom: -15px;
     left: 50%;
     transform: translateX(-50%);
     width: 100px;
     height: 4px;
     background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
     border-radius: 2px;
 }

 .blog-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
     gap: 30px;
     margin-top: 40px;
 }

 .blog-card {
     background: var(--card-bg);
     border-radius: 16px;
     overflow: hidden;
     transition: all 0.3s ease;
     border: 1px solid var(--card-border);
     box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
 }

 .blog-card:hover {
     transform: translateY(-8px);
     border-color: var(--accent-color);
     box-shadow: 0 15px 40px rgba(67, 97, 238, 0.2);
 }

 .blog-image {
     height: 200px;
     overflow: hidden;
     position: relative;
 }

 .blog-image img {
     width: 100%;
     height: 100%;
     object-fit: cover;
     transition: transform 0.3s ease;
 }

 .blog-card:hover .blog-image img {
     transform: scale(1.05);
 }

 .blog-content {
     padding: 25px;
 }

 .blog-content h3 {
     margin: 0 0 15px 0;
     line-height: 1.4;
 }

 .blog-content h3 a {
     color: var(--text-color);
     text-decoration: none;
     font-size: 1.3rem;
     font-weight: 600;
     transition: color 0.3s ease;
 }

 .blog-content h3 a:hover {
     color: var(--accent-color);
 }

 .blog-content p {
     color: var(--text-secondary);
     line-height: 1.6;
     margin-bottom: 20px;
     font-size: 0.95rem;
 }

 .blog-meta {
     display: flex;
     justify-content: space-between;
     align-items: center;
     padding-top: 15px;
     border-top: 1px solid var(--card-border);
     font-size: 0.85rem;
     color: var(--text-tertiary);
 }

 .blog-meta span {
     display: flex;
     align-items: center;
     gap: 5px;
 }
 
 /* SEO Content Styling */
 .seo-content {
     margin: 40px 0;
     padding: 30px;
     background-color: var(--card-bg);
     border-radius: 10px;
     border: 1px solid var(--card-border);
 }
 
 .seo-content h2 {
     color: var(--primary-color);
     margin-top: 0;
     font-size: 1.5rem;
 }
 
 .seo-content h3 {
     color: var(--accent-color);
     margin-top: 1.5rem;
     font-size: 1.3rem;
 }
 
 .seo-content p {
     margin-bottom: 1rem;
     line-height: 1.6;
 }
 
 .seo-content ul,
 .seo-content ol {
     margin-left: 1.5rem;
     line-height: 1.6;
     margin-bottom: 1.5rem;
 }
 
 .seo-content li {
     margin-bottom: 0.5rem;
 }
 
 .read-more-btn {
     background-color: var(--accent-color);
     color: white;
     border: none;
     padding: 12px 24px;
     border-radius: 8px;
     font-size: 1rem;
     cursor: pointer;
     transition: all 0.3s;
     margin-top: 20px;
     display: block;
     width: 100%;
     max-width: 200px;
     margin-left: auto;
     margin-right: auto;
 }
 
 .read-more-btn:hover {
     background-color: var(--primary-dark);
     transform: translateY(-2px);
 }
 
 /* FAQ Section */
 .faq-section {
     margin: 40px 0;
     padding: 30px;
     background-color: var(--card-bg);
     border-radius: 10px;
     border: 1px solid var(--card-border);
 }
 
 .faq-section h2 {
     color: var(--primary-color);
     margin-bottom: 25px;
     text-align: center;
 }
 
 .faq-item {
     margin-bottom: 15px;
     border-bottom: 1px solid var(--card-border);
     padding-bottom: 15px;
 }
 
 .faq-question {
     background: none;
     border: none;
     width: 100%;
     text-align: left;
     padding: 15px ;
     color: var(--text-color);
     font-size: 1.1rem;
     cursor: pointer;
     display: flex;
     justify-content: space-between;
     align-items: center;
     transition: color 0.3s;
 }
 
 .faq-question:hover {
     color: var(--accent-color);
 }
 
 .faq-question i {
     transition: transform 0.3s;
     font-size: 0.9rem;
 }
 
 .faq-answer {
     max-height: 0;
     overflow: hidden;
     transition: max-height 0.3s ease;
     padding-left: 0;
     color: var(--text-secondary);
     line-height: 1.6;
 }
 
 .faq-answer p {
     margin: 0;
     padding: 10px 0;
 }
 
 /* Mobile Responsive */
 @media (max-width: 1024px) {
     .features-grid {
         grid-template-columns: repeat(2, 1fr);
         gap: 20px;
     }
     
     .steps-grid {
         grid-template-columns: repeat(2, 1fr);
         gap: 30px;
     }
     
     .step-card {
         padding: 0 5px;
     }
 }
 
 @media (max-width: 768px) {
     .features-grid {
         grid-template-columns: 1fr;
         gap: 20px;
     }
     
     .steps-grid {
         grid-template-columns: 1fr;
         gap: 40px;
     }
     
     .step-card {
         padding: 0 20px;
     }
     
     .feature-card {
         min-height: 180px;
         padding: 20px 15px;
     }
     
     .step-icon {
         width: 60px;
         height: 60px;
         font-size: 1.5rem;
     }
     
     .converter-card.compact {
         margin: 10px;
         padding: 20px 15px;
     }
     
     .converter-card.compact .upload-section {
         padding: 25px 15px;
     }
     
     .converter-card.compact .upload-heading {
         font-size: 1.2rem;
     }
     
     .results-popup-content {
         width: 95%;
         margin: 20px;
     }
     
     .results-popup-header {
         padding: 20px 20px 12px;
     }
     
     .results-popup-body {
         padding: 20px;
     }
     
     .file-output-info {
         flex-direction: column;
         text-align: center;
         gap: 12px;
         padding: 15px;
     }
     
     .file-output-info i {
         font-size: 2rem;
     }
     
     .popup-action-buttons {
         flex-direction: column;
         gap: 12px;
     }
     
     .download-btn-popup,
     .convert-another-btn {
         min-width: 100%;
         padding: 14px 18px;
     }
     
     .social-share-popup {
         gap: 10px;
     }
     
     .social-btn {
         width: 44px;
         height: 44px;
         font-size: 1.1rem;
     }
     
     .header {
         padding: 20px 0 15px;
     }
     
     .settings-modal-content {
         width: 95%;
         margin: 20px;
     }

     /* Mobile styles for progress details */
     .progress-details {
         flex-direction: column;
         align-items: flex-start;
         gap: 8px;
     }

     .file-size-info,
     .progress-speed {
         width: 100%;
         justify-content: space-between;
     }

     .file-size-info span,
     .progress-speed span {
         font-size: 0.75rem;
         padding: 3px 6px;
     }
 }
 
 @media (max-width: 480px) {
     .features-section h2,
     .steps-section h2 {
         font-size: 1.5rem;
         margin-bottom: 30px;
     }
     
     .feature-card {
         min-height: 160px;
         padding: 15px 12px;
     }
     
     .feature-icon {
         width: 50px;
         height: 50px;
         font-size: 1.3rem;
         margin-bottom: 12px;
     }
     
     .feature-card h3 {
         font-size: 1rem;
         margin-bottom: 8px;
     }
     
     .feature-card p {
         font-size: 0.8rem;
     }
     
     .step-card h3 {
         font-size: 1rem;
     }
     
     .step-card p {
         font-size: 0.8rem;
     }
     
     .converter-card.compact {
         padding: 15px 12px;
     }
     
     .converter-card.compact .upload-section {
         padding: 20px 12px;
     }
     
     .browse-btn, .convert-btn, .download-btn {
         padding: 12px 20px;
         font-size: 1rem;
     }
     
     .settings-btn {
         padding: 10px 12px;
         font-size: 0.95rem;
     }
     
     .results-popup-content {
         width: 95%;
         margin: 10px;
     }
     
     .results-popup-header h3 {
         font-size: 1.2rem;
     }
     
     .file-name {
         font-size: 1rem;
     }

     /* Mobile styles for progress details */
     .file-size-info,
     .progress-speed {
         flex-direction: column;
         gap: 5px;
     }

     .file-size-info span,
     .progress-speed span {
         width: 100%;
         justify-content: space-between;
     }
 }
 
 /* Go to Top Button */
 
 .go-to-top {
     position: fixed;
     bottom: 30px;
     right: 30px;
     background-color: var(--accent-color);
     color: white;
     width: 50px;
     height: 50px;
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     cursor: pointer;
     box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
     transition: all 0.3s;
     z-index: 99;
     opacity: 0;
     visibility: hidden;
 }
 
 .go-to-top.visible {
     opacity: 1;
     visibility: visible;
 }
 
 .go-to-top:hover {
     background-color: var(--primary-dark);
     transform: translateY(-3px);
 }
 
 .go-to-top i {
     font-size: 1.2rem;
 }