:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--primary-color: #6366f1;--primary-hover: #4f46e5;--background: #ffffff;--surface: #f8fafc;--text-primary: #1e293b;--text-secondary: #64748b;--border: #e2e8f0;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, .1)}[data-theme=dark]{--primary-color: #818cf8;--primary-hover: #6366f1;--background: #0f172a;--surface: #1e293b;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--border: #334155;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .3);--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, .3)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--background);color:var(--text-primary);transition:background-color .3s ease,color .3s ease;overflow-x:hidden;width:100%}.app{min-height:100vh;width:100%;overflow-x:hidden}.header{position:fixed;top:0;width:100%;background:#fffc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);z-index:1000}[data-theme=dark] .header{background:#0f172acc}.nav{display:flex;justify-content:space-between;align-items:center;padding:1rem 5%;max-width:100%;margin:0 auto}.logo-text{font-weight:700;font-size:clamp(1.25rem,4vw,1.5rem);background:linear-gradient(135deg,var(--primary-color),#ec4899);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-links{display:flex;list-style:none;gap:clamp(1rem,3vw,2rem)}.nav-link{background:none;border:none;color:var(--text-primary);cursor:pointer;font-size:clamp(.875rem,2vw,1rem);transition:color .3s ease;white-space:nowrap}.nav-link:hover{color:var(--primary-color)}.nav-actions{display:flex;align-items:center;gap:1rem}.theme-toggle{background:var(--surface);border:1px solid var(--border);border-radius:50%;width:40px;height:40px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}.cta-button{background:var(--primary-color);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:8px;cursor:pointer;font-weight:600;transition:background-color .3s ease;white-space:nowrap;flex-shrink:0}.cta-button:hover{background:var(--primary-hover)}.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:6rem 5% 2rem;width:100%;position:relative}.hero-content{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center;width:100%;max-width:1400px;margin:0 auto}.hero-text h1{font-size:clamp(2.5rem,6vw,3.5rem);font-weight:800;line-height:1.2;margin-bottom:1.5rem}.gradient-text{background:linear-gradient(135deg,var(--primary-color),#ec4899);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-text p{font-size:clamp(1.125rem,3vw,1.25rem);color:var(--text-secondary);margin-bottom:2rem;line-height:1.6}.hero-buttons{display:flex;gap:1rem;flex-wrap:wrap}.primary-button,.secondary-button{padding:clamp(.875rem,2vw,1rem) clamp(1.5rem,3vw,2rem);border-radius:8px;font-weight:600;cursor:pointer;border:none;font-size:1rem;white-space:nowrap}.primary-button{background:var(--primary-color);color:#fff}.secondary-button{background:transparent;color:var(--text-primary);border:2px solid var(--border)}.hero-visual{position:relative;height:clamp(300px,40vw,400px);width:100%;min-height:300px}.floating-card{position:absolute;background:var(--surface);border-radius:12px;padding:1rem;box-shadow:var(--shadow-lg);border:1px solid var(--border);width:clamp(150px,25vw,200px);height:clamp(200px,35vw,250px)}.floating-card:first-child{left:0;top:50px;z-index:2}.floating-card.delayed{right:0;top:100px;z-index:1}.card{width:100%;height:100%;display:flex;align-items:center;justify-content:center;border-radius:8px;overflow:hidden}.card.before{background:linear-gradient(45deg,#ff6b6b,#4ecdc4)}.card.after{background:linear-gradient(45deg,#a8e6cf,#dcedc1)}.image-placeholder{color:#fff;font-weight:600;text-shadow:0 2px 4px rgba(0,0,0,.3);font-size:clamp(.875rem,2vw,1rem);text-align:center;padding:1rem}.scroll-indicator{position:absolute;bottom:2rem;font-size:2rem;cursor:pointer;opacity:.7;transition:opacity .3s ease}.scroll-indicator:hover{opacity:1}.features{padding:6rem 5%;background:var(--surface);width:100%}.features-container{max-width:1400px;margin:0 auto;width:100%}.features-container h2{text-align:center;font-size:clamp(2rem,5vw,2.5rem);margin-bottom:4rem;font-weight:700}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:2rem;width:100%}.feature-card{background:var(--background);padding:clamp(1.5rem,3vw,2rem);border-radius:12px;text-align:center;border:1px solid var(--border);box-shadow:var(--shadow);width:100%}.feature-icon{font-size:clamp(2.5rem,5vw,3rem);margin-bottom:1rem}.feature-card h3{font-size:clamp(1.125rem,3vw,1.25rem);margin-bottom:1rem;font-weight:600}.feature-card p{color:var(--text-secondary);line-height:1.6;font-size:clamp(.875rem,2vw,1rem)}.upload{padding:6rem 5%;width:100%}.upload-container{text-align:center;max-width:1400px;margin:0 auto;width:100%}.upload-container h2{font-size:clamp(2rem,5vw,2.5rem);margin-bottom:1rem;font-weight:700}.upload-container p{font-size:clamp(1rem,2.5vw,1.125rem);color:var(--text-secondary);margin-bottom:3rem}.upload-area{border:2px dashed var(--border);border-radius:16px;padding:clamp(2rem,5vw,4rem) clamp(1rem,3vw,2rem);cursor:pointer;transition:all .3s ease;background:var(--surface);margin-bottom:2rem;max-width:800px;margin-left:auto;margin-right:auto;width:100%}.upload-area:hover{border-color:var(--primary-color)}.upload-preview{display:flex;justify-content:center;align-items:center}.upload-preview img{max-width:min(100%,300px);max-height:300px;border-radius:8px;box-shadow:var(--shadow-lg)}.upload-placeholder{color:var(--text-secondary)}.upload-icon{font-size:clamp(3rem,8vw,4rem);margin-bottom:1rem}.process-button{background:var(--primary-color);color:#fff;border:none;padding:clamp(.875rem,2vw,1rem) clamp(1.5rem,3vw,2rem);border-radius:8px;font-size:clamp(1rem,2.5vw,1.125rem);font-weight:600;cursor:pointer;transition:all .3s ease;min-width:200px}.process-button:disabled{opacity:.6;cursor:not-allowed}.process-button.processing{background:var(--text-secondary)}.preview{padding:6rem 5%;max-width:1400px;margin:0 auto;text-align:center;width:100%}.preview h2{font-size:clamp(2rem,5vw,2.5rem);margin-bottom:3rem;font-weight:700}.preview-tabs{display:flex;justify-content:center;gap:1rem;margin-bottom:2rem;flex-wrap:wrap}.tab{background:var(--surface);border:1px solid var(--border);padding:clamp(.875rem,2vw,1rem) clamp(1.5rem,3vw,2rem);border-radius:8px;cursor:pointer;font-weight:600;transition:all .3s ease;white-space:nowrap}.tab.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.preview-content{margin-bottom:3rem;width:100%}.preview-image{max-width:min(100%,500px);margin:0 auto}.preview-image img{width:100%;border-radius:12px;box-shadow:var(--shadow-lg)}.preview-actions{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap}.download-button{background:#10b981;color:#fff;border:none;padding:clamp(.875rem,2vw,1rem) clamp(1.5rem,3vw,2rem);border-radius:8px;font-weight:600;cursor:pointer;white-space:nowrap}.footer{background:var(--surface);border-top:1px solid var(--border);padding:4rem 5% 2rem;width:100%}.footer-content{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:3rem;margin-bottom:2rem;width:100%}.footer-section h3,.footer-section h4{margin-bottom:1rem}.footer-section ul{list-style:none}.footer-section ul li{margin-bottom:.5rem}.footer-section a{color:var(--text-secondary);text-decoration:none;transition:color .3s ease}.footer-section a:hover{color:var(--primary-color)}.footer-bottom{max-width:1400px;margin:0 auto;padding-top:2rem;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;width:100%}.back-to-top{background:var(--primary-color);color:#fff;border:none;width:40px;height:40px;border-radius:50%;cursor:pointer;font-size:1.2rem;flex-shrink:0}@media (max-width: 768px){.hero-content{grid-template-columns:1fr;text-align:center;gap:2rem}.nav-links{display:none}.hero-buttons{justify-content:center}.hero-visual{height:250px}.floating-card{width:120px;height:160px}.floating-card:first-child{top:20px}.floating-card.delayed{top:60px}.features-grid{grid-template-columns:1fr}.preview-tabs,.preview-actions{flex-direction:column;align-items:center}.footer-bottom{flex-direction:column;text-align:center}}@media (max-width: 480px){.nav{padding:1rem}.hero{padding:5rem 1rem 2rem}.features,.upload,.preview{padding:4rem 1rem}.upload-area{padding:2rem 1rem}}html,body{max-width:100%;overflow-x:hidden}*{-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;-ms-text-size-adjust:100%}