*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden;}:root{--primary-color:#6366f1;--primary-dark:#4f46e5;--secondary-color:hsl(258,90%,66%);--accent-color:#ec4899;--success-color:#10b981;--bg-color:#f8fafc;--card-bg:#ffffff;--text-color:#1e293b;--text-light:#64748b;--border-color:#e2e8f0;--error-color:#ef4444;--shadow:0 4px 6px -1px rgba(0,0,0,0.1),0 2px 4px -1px rgba(0,0,0,0.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -2px rgba(0,0,0,0.05);}body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:var(--text-color);line-height:1.6;min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden;-webkit-font-smoothing:antialiased;padding:clamp(1.5rem,4vw,2rem)clamp(0.5rem,2vw,1rem);}img,svg,iframe,video,canvas{max-width:100%;height:auto;display:block;}.back-btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.75rem 1.5rem;background:var(--card-bg);color:var(--primary-color);text-decoration:none;border-radius:12px;font-weight:600;font-size:clamp(0.9rem,2.5vw,1rem);box-shadow:var(--shadow);transition:all 0.3s ease;margin:clamp(2rem,5vw,4rem)clamp(0.5rem,3vw,2rem)clamp(1.5rem,3vw,2rem);position:relative;overflow:hidden;border:2px solid transparent;width:fit-content;min-height:48px;}.back-btn::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(99,102,241,0.1),transparent);transition:left 0.5s ease;}.back-btn:hover::before{left:100%;}.back-btn:hover{background:var(--primary-color);color:white;transform:translateX(-5px);box-shadow:var(--shadow-lg);border-color:var(--primary-color);}.back-btn:active{transform:translateX(-3px)scale(0.98);}.container{max-width:800px;margin:0 auto;padding:clamp(0.5rem,2vw,1.5rem);width:100%;background:transparent;flex:1;}.page-header{text-align:center;margin-bottom:clamp(1.5rem,3vw,2rem);}.page-header h1{font-size:clamp(1.5rem,5vw,2rem);color:white;margin-bottom:0.5rem;text-shadow:0 2px 4px rgba(0,0,0,0.1);line-height:1.3;}.page-header p{font-size:clamp(0.95rem,2.5vw,1rem);color:rgba(255,255,255,0.9);line-height:1.5;}.qr-wrapper{background:var(--card-bg);border-radius:16px;box-shadow:var(--shadow-lg);padding:clamp(1.25rem,4vw,2rem)clamp(0.75rem,3vw,1.5rem);animation:fadeInUp 0.6s ease;width:100%;}.input-section{margin-bottom:clamp(1.5rem,3vw,2rem);}.input-section h3{font-size:clamp(1.1rem,3vw,1.25rem);color:var(--text-color);margin-bottom:clamp(1rem,2vw,1.5rem);text-align:center;line-height:1.3;}.input-group{margin-bottom:clamp(1.25rem,3vw,2rem);}.input-group label{display:block;font-size:clamp(0.9rem,2.5vw,0.95rem);font-weight:600;color:var(--text-color);margin-bottom:0.5rem;}.input-group input[type="url"]{width:100%;padding:clamp(0.75rem,2vw,1rem);font-size:clamp(0.95rem,2.5vw,1rem);border:2px solid var(--border-color);border-radius:8px;transition:all 0.3s ease;background:var(--bg-color);min-height:48px;}.input-group input[type="url"]:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(99,102,241,0.1);}.input-group input[type="url"]::placeholder{color:var(--text-light);}.logo-upload-section{background:var(--bg-color);border-radius:12px;padding:clamp(1rem,3vw,1.5rem);margin-bottom:1rem;width:100%;}.logo-upload-section h4{font-size:clamp(1rem,2.5vw,1.1rem);color:var(--text-color);margin-bottom:0.5rem;}.upload-hint{font-size:clamp(0.85rem,2.5vw,0.9rem);color:var(--text-light);margin-bottom:1rem;}.upload-zone{display:block;border:2px dashed var(--border-color);border-radius:8px;padding:clamp(1.25rem,4vw,2rem)clamp(0.75rem,3vw,1rem);text-align:center;cursor:pointer;transition:all 0.3s ease;background:white;margin-bottom:1rem;min-height:48px;}.upload-zone:hover{border-color:var(--primary-color);background:rgba(99,102,241,0.02);}.upload-zone.dragover{border-color:var(--primary-color);background:rgba(99,102,241,0.05);transform:scale(1.02);}.upload-icon{font-size:clamp(1.5rem,4vw,2rem);margin-bottom:0.5rem;display:block;}.upload-zone p{font-size:clamp(0.9rem,2.5vw,0.95rem);color:var(--text-color);margin-bottom:0.5rem;font-weight:500;}.upload-zone small{display:block;font-size:clamp(0.8rem,2.5vw,0.85rem);color:var(--text-light);}.logo-preview-container{background:white;border:1px solid var(--border-color);border-radius:8px;padding:1rem;text-align:center;margin-bottom:1rem;}.logo-preview-container h5{font-size:0.9rem;color:var(--text-color);margin-bottom:0.75rem;}.logo-preview-container img{max-width:150px;max-height:150px;border-radius:8px;border:1px solid var(--border-color);margin-bottom:0.75rem;}.remove-logo-btn{padding:0.5rem 1rem;background:var(--error-color);color:white;border:none;border-radius:6px;font-size:clamp(0.85rem,2.5vw,0.9rem);font-weight:600;cursor:pointer;transition:all 0.3s ease;min-height:44px;}.remove-logo-btn:hover{background:#dc2626;transform:scale(1.05);}.error-message{display:none;margin-top:1rem;padding:1rem;background:#fee2e2;border-left:4px solid var(--error-color);border-radius:6px;color:#991b1b;font-size:clamp(0.9rem,2.5vw,0.95rem);word-break:break-word;}.error-message.show{display:block;animation:slideIn 0.3s ease;}.preview-section{margin-bottom:clamp(1.5rem,3vw,2rem);animation:fadeIn 0.6s ease 0.2s backwards;}.preview-section h3{font-size:clamp(1.1rem,3vw,1.25rem);color:var(--text-color);margin-bottom:clamp(1rem,2vw,1.5rem);text-align:center;}.qr-result-container{background:var(--bg-color);border:1px solid var(--border-color);border-radius:12px;padding:clamp(1.25rem,4vw,2rem);text-align:center;margin-bottom:clamp(1.25rem,3vw,2rem);width:100%;}.qr-display{background:white;padding:clamp(1.25rem,3vw,2rem);border-radius:8px;margin-bottom:1.5rem;display:flex;justify-content:center;align-items:center;min-height:250px;border:1px solid var(--border-color);overflow:hidden;}#qrDisplay canvas{max-width:100%;height:auto !important;border-radius:4px;}.qr-info{text-align:left;background:white;padding:1rem;border-radius:8px;border:1px solid var(--border-color);width:100%;}.qr-info p{font-size:clamp(0.85rem,2.5vw,0.9rem);color:var(--text-color);margin-bottom:0.5rem;word-break:break-all;line-height:1.5;}.qr-info p:last-child{margin-bottom:0;}.button-group{display:flex;flex-direction:column;gap:clamp(0.75rem,2vw,1rem);margin-bottom:clamp(1.5rem,3vw,2rem);animation:fadeIn 0.6s ease 0.4s backwards;width:100%;}.btn{padding:clamp(0.85rem,2.5vw,1rem)clamp(1rem,3vw,1.5rem);border:none;border-radius:8px;font-size:clamp(0.95rem,2.5vw,1rem);font-weight:600;cursor:pointer;transition:all 0.3s ease;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;text-align:center;box-shadow:var(--shadow);min-height:48px;width:100%;}.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}.btn:active{transform:translateY(0);}.btn-primary{background:linear-gradient(135deg,var(--primary-color)0%,var(--secondary-color)100%);color:white;}.btn-primary:hover{background:linear-gradient(135deg,var(--primary-dark)0%,#9333ea 100%);}.btn-success{background:linear-gradient(135deg,var(--success-color)0%,#059669 100%);color:white;}.btn-success:hover{background:linear-gradient(135deg,#059669 0%,#047857 100%);}.btn-secondary{background:var(--text-light);color:white;}.btn-secondary:hover{background:#475569;}.btn-outline{background:transparent;color:var(--primary-color);border:2px solid var(--primary-color);box-shadow:none;}.btn-outline:hover{background:var(--primary-color);color:white;}.btn:disabled{opacity:0.6;cursor:not-allowed;transform:none;}.btn.loading::after{content:' ⏳';animation:spin 1s linear infinite;}@keyframes spin{from{transform:rotate(0deg);}to{transform:rotate(360deg);}}.info-section{background:linear-gradient(135deg,#f0f4ff 0%,#faf5ff 100%);border-left:4px solid var(--primary-color);border-radius:8px;padding:clamp(1rem,3vw,1.5rem);margin-bottom:clamp(1.5rem,3vw,2rem);animation:fadeIn 0.6s ease 0.6s backwards;width:100%;}.info-section h3{font-size:clamp(1rem,2.5vw,1.1rem);color:var(--primary-color);margin-bottom:1rem;}.info-section ul{list-style:none;padding-left:0;}.info-section li{padding:0.5rem 0 0.5rem 1.5rem;position:relative;font-size:clamp(0.9rem,2.5vw,0.95rem);color:var(--text-color);line-height:1.5;}.info-section li::before{content:'✓';position:absolute;left:0;color:var(--success-color);font-weight:bold;}.features-section{margin-bottom:clamp(1.5rem,3vw,2rem);animation:fadeIn 0.6s ease 0.8s backwards;}.features-section h3{font-size:clamp(1.1rem,3vw,1.25rem);color:var(--text-color);margin-bottom:clamp(1rem,2vw,1.5rem);text-align:center;}.features-grid{display:grid;grid-template-columns:1fr;gap:clamp(0.75rem,2vw,1.25rem);width:100%;}.feature-card{background:linear-gradient(135deg,#f8fafc 0%,#f1f5f9 100%);border:1px solid var(--border-color);border-radius:12px;padding:clamp(1.25rem,3vw,1.5rem);text-align:center;transition:all 0.3s ease;}.feature-card:hover{border-color:var(--primary-color);box-shadow:var(--shadow);transform:translateY(-4px);}.feature-icon{font-size:clamp(2rem,5vw,2.5rem);display:block;margin-bottom:1rem;}.feature-card h4{font-size:clamp(1rem,2.5vw,1.05rem);color:var(--text-color);margin-bottom:0.5rem;line-height:1.3;}.feature-card p{font-size:clamp(0.85rem,2.5vw,0.9rem);color:var(--text-light);line-height:1.5;}.pro-footer{background:linear-gradient(135deg,#1e293b 0%,#334155 100%);color:#e2e8f0;padding:clamp(2rem,4vw,3rem)clamp(0.75rem,3vw,1rem)clamp(0.75rem,2vw,1rem);margin-top:auto;width:100%;}.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr;gap:clamp(1.5rem,3vw,2rem);margin-bottom:clamp(1.5rem,3vw,2rem);padding:0 0.25rem;}.footer-section h4{color:white;margin-bottom:1rem;font-size:clamp(1.1rem,3vw,1.25rem);}.footer-brand{text-align:center;}.footer-brand img{width:clamp(120px,35vw,200px);height:auto;border-radius:12px;margin-bottom:1rem;margin-top:clamp(1rem,3vw,2rem);}.footer-brand p{color:#94a3b8;font-size:clamp(0.85rem,2.5vw,0.95rem);margin-top:0;}.footer-section ul{list-style:none;}.footer-section ul li{margin-bottom:0.5rem;}.footer-section a{color:#cbd5e1;text-decoration:none;transition:color 0.3s ease;display:inline-block;padding:0.15rem 0;min-height:44px;}.footer-section a:hover{color:var(--primary-color);}.contact p{margin-bottom:0.5rem;color:#cbd5e1;}.contact small{display:block;color:#94a3b8;font-size:0.8rem;margin-top:-0.25rem;margin-bottom:0.5rem;}.footer-bottom{border-top:1px solid #475569;padding-top:clamp(1rem,2.5vw,1.5rem);text-align:center;}.footer-bottom p{color:#94a3b8;font-size:clamp(0.8rem,2.5vw,0.9rem);margin-bottom:0.5rem;}.copyright-warning{font-size:clamp(0.7rem,2.5vw,0.8rem);color:#64748b;margin-top:0.5rem;}@media(max-width:479px){.container{padding:0.5rem;}.qr-wrapper{padding:1.25rem 0.75rem;border-radius:12px;}.input-group input[type="url"]{padding:0.75rem;}.upload-zone{padding:1.25rem 0.75rem;}.btn{padding:0.85rem;font-size:0.9rem;}.feature-card{padding:1.25rem 0.75rem;}.pro-footer{padding:2rem 0.5rem 1rem;}}@media(min-width:640px){.qr-wrapper{padding:clamp(2rem,5vw,2.5rem)clamp(1.5rem,4vw,2rem);}.button-group{flex-direction:row;}.btn{width:auto;flex:1;}.features-grid{grid-template-columns:repeat(2,1fr);}.footer-container{grid-template-columns:repeat(2,1fr);}}@media(min-width:768px){body{padding:clamp(2rem,4vw,3rem)clamp(1.5rem,3vw,2rem);}.container{padding:clamp(1rem,2vw,1.5rem);}.page-header h1{font-size:2.5rem;}.page-header p{font-size:1.1rem;}.qr-wrapper{padding:clamp(2rem,4vw,3rem);}.features-grid{grid-template-columns:repeat(4,1fr);}.feature-card{padding:2rem 1.5rem;}.footer-container{grid-template-columns:repeat(3,1fr);text-align:left;}.footer-brand{text-align:left;}}@media(min-width:1024px){.container{padding:clamp(1.5rem,2.5vw,2rem)clamp(1rem,2vw,2rem);}.page-header h1{font-size:3rem;}.qr-wrapper{padding:clamp(2.5rem,4vw,3.5rem);}}@keyframes fadeInUp{from{opacity:0;transform:translateY(30px);}to{opacity:1;transform:translateY(0);}}@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}@keyframes slideIn{from{opacity:0;transform:translateX(-10px);}to{opacity:1;transform:translateX(0);}}.feature-card{animation:fadeInUp 0.6s ease backwards;}.feature-card:nth-child(1){animation-delay:0.1s;}.feature-card:nth-child(2){animation-delay:0.2s;}.feature-card:nth-child(3){animation-delay:0.3s;}.feature-card:nth-child(4){animation-delay:0.4s;}*:focus{outline:2px solid var(--primary-color);outline-offset:2px;}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;}}.ad-sidebar{width:100%;max-width:300px;margin:20px auto;text-align:center;border-radius:8px;}.blog-cta{background:linear-gradient(135deg,rgba(99,102,241,0.1)0%,rgba(139,92,246,0.1)100%);border:2px solid var(--primary-color);border-radius:12px;padding:clamp(1.5rem,4vw,2.5rem);text-align:center;width:100%;margin:clamp(1.5rem,3vw,2rem)0;}.blog-cta-content h3{font-size:clamp(1.4rem,4vw,1.8rem);color:var(--text-color);margin-bottom:1rem;font-weight:700;line-height:1.3;}.blog-cta-content p{font-size:clamp(1rem,2.5vw,1.1rem);color:var(--text-light);margin-bottom:1.5rem;line-height:1.8;}.blog-btn{display:inline-flex;align-items:center;justify-content:center;padding:clamp(0.85rem,2.5vw,1rem)clamp(1.5rem,4vw,2.5rem);background:linear-gradient(135deg,var(--primary-color)0%,var(--secondary-color)100%);color:white;text-decoration:none;border-radius:10px;font-weight:700;font-size:clamp(1rem,2.5vw,1.05rem);box-shadow:var(--shadow);transition:all 0.3s ease;min-height:48px;}.blog-btn:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}