:root{--color-bg: #0f111a;--color-panel: #1e2533;--color-primary: #2ce3a0;--color-accent: #25c98d;--color-text: #b7c0cd;--color-tech-primary: #00b3ff;--color-tech-accent: #008bd6}body{background-color:var(--color-bg);color:var(--color-text);font-family:Inter,sans-serif}button.primary{background-color:var(--color-primary);color:#000;padding:.75em 1.2em;border:none;border-radius:6px;font-weight:700}.drop-zone{border:2px dashed var(--color-accent);padding:2em;text-align:center;color:var(--color-text);cursor:pointer}.image-compare{display:flex;gap:1rem}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;overflow-x:hidden}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.header{background:#0f111af2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--color-panel);position:fixed;top:0;left:0;right:0;z-index:1000}.header-content{display:flex;align-items:center;justify-content:space-between;padding:1rem 0}.logo-section{display:flex;align-items:center;gap:.75rem}.brand-name{font-size:1.5rem;font-weight:700;color:var(--color-primary);margin:0}.nav{display:flex;align-items:center;gap:2rem}.nav a{color:var(--color-text);text-decoration:none;font-weight:500;transition:color .2s ease}.nav a:hover{color:var(--color-primary)}.btn-primary,.btn-secondary{padding:.5rem 1rem;border:none;border-radius:6px;font-weight:600;font-size:.9rem;cursor:pointer;transition:all .2s ease;text-decoration:none;display:inline-block;text-align:center}.btn-primary{background:var(--color-primary);color:#000}.btn-primary:hover{background:var(--color-accent);transform:translateY(-1px)}.btn-secondary{background:transparent;color:var(--color-text);border:1px solid var(--color-panel)}.btn-secondary:hover{border-color:var(--color-primary);color:var(--color-primary)}.btn-large{padding:.75rem 2rem;font-size:1rem}.mobile-menu-btn{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:.5rem}.mobile-menu-btn span{width:24px;height:2px;background:var(--color-text);transition:all .3s ease}.main{margin-top:80px;min-height:calc(100vh - 80px)}.hero{padding:4rem 0;text-align:center;background:linear-gradient(135deg,var(--color-bg) 0%,var(--color-panel) 100%)}.hero-content{max-width:800px;margin:0 auto}.hero-title{font-size:3rem;font-weight:700;color:#fff;margin-bottom:1rem;line-height:1.2}.hero-subtitle{font-size:1.25rem;color:var(--color-text);margin-bottom:2rem;line-height:1.6}.hero-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.upload-section{padding:3rem 0;background:var(--color-panel)}.upload-container{max-width:800px;margin:0 auto;text-align:center}.upload-container h3{font-size:2rem;color:#fff;margin-bottom:2rem}.drop-zone{border:2px dashed var(--color-accent);border-radius:12px;padding:3rem 2rem;margin-bottom:2rem;background:#0f111a80;transition:all .3s ease;cursor:pointer}.drop-zone:hover,.drop-zone.dragover{border-color:var(--color-primary);background:#2ce3a01a;transform:translateY(-2px)}.drop-zone-content{display:flex;flex-direction:column;align-items:center;gap:1rem}.upload-icon{font-size:3rem;margin-bottom:1rem}.drop-text{font-size:1.25rem;color:#fff;margin:0}.drop-subtext{color:var(--color-text);margin:0}.image-compare-container{margin-top:2rem}.image-compare{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin-bottom:2rem}.image-side h4{color:#fff;margin-bottom:1rem;font-size:1.25rem}.image-wrapper{position:relative;border-radius:8px;overflow:hidden;background:var(--color-bg);min-height:300px;display:flex;align-items:center;justify-content:center}.image-wrapper img{max-width:100%;max-height:400px;object-fit:contain;border-radius:8px}.loading-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#0f111ae6;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff}.spinner{width:40px;height:40px;border:3px solid var(--color-panel);border-top:3px solid var(--color-primary);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:1rem}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.image-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.features{padding:4rem 0;background:var(--color-bg)}.section-title{font-size:2.5rem;color:#fff;text-align:center;margin-bottom:3rem;font-weight:700}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}.feature-card{background:var(--color-panel);padding:2rem;border-radius:12px;text-align:center;transition:transform .3s ease}.feature-card:hover{transform:translateY(-4px)}.feature-icon{font-size:3rem;margin-bottom:1rem}.feature-card h4{color:#fff;font-size:1.25rem;margin-bottom:1rem}.feature-card p{color:var(--color-text);line-height:1.6}.pricing{padding:4rem 0;background:var(--color-panel)}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;max-width:900px;margin:0 auto}.pricing-card{background:var(--color-bg);padding:2rem;border-radius:12px;border:1px solid var(--color-panel);text-align:center;position:relative;transition:transform .3s ease}.pricing-card:hover{transform:translateY(-4px)}.pricing-card.featured{border-color:var(--color-primary);transform:scale(1.05)}.popular-badge{position:absolute;top:-12px;left:50%;transform:translate(-50%);background:var(--color-primary);color:#000;padding:.5rem 1rem;border-radius:20px;font-size:.8rem;font-weight:600}.pricing-card h4{color:#fff;font-size:1.5rem;margin-bottom:1rem}.price{font-size:2.5rem;font-weight:700;color:var(--color-primary);margin-bottom:2rem}.price span{font-size:1rem;color:var(--color-text);font-weight:400}.features-list{list-style:none;margin-bottom:2rem}.features-list li{color:var(--color-text);padding:.5rem 0;border-bottom:1px solid var(--color-panel)}.features-list li:last-child{border-bottom:none}.footer{background:var(--color-bg);padding:3rem 0 1rem;border-top:1px solid var(--color-panel)}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;margin-bottom:2rem}.footer-section h5{color:#fff;font-size:1.25rem;margin-bottom:1rem}.footer-section a{color:var(--color-text);text-decoration:none;display:block;margin-bottom:.5rem;transition:color .2s ease}.footer-section a:hover{color:var(--color-primary)}.footer-section p{color:var(--color-text)}.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid var(--color-panel)}.footer-bottom p{color:var(--color-text)}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;align-items:center;justify-content:center;z-index:2000}.modal-content{background:var(--color-panel);padding:2rem;border-radius:12px;max-width:400px;width:90%;position:relative}.close{position:absolute;top:1rem;right:1rem;font-size:1.5rem;color:var(--color-text);cursor:pointer;background:none;border:none}.close:hover{color:var(--color-primary)}.auth-tabs{display:flex;margin-bottom:2rem;border-bottom:1px solid var(--color-bg)}.auth-tab{flex:1;padding:1rem;background:none;border:none;color:var(--color-text);cursor:pointer;font-weight:500;border-bottom:2px solid transparent;transition:all .2s ease}.auth-tab.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.auth-form h3{color:#fff;margin-bottom:1.5rem;text-align:center}.auth-form input{width:100%;padding:.75rem;margin-bottom:1rem;background:var(--color-bg);border:1px solid var(--color-panel);border-radius:6px;color:#fff;font-size:1rem}.auth-form input:focus{outline:none;border-color:var(--color-primary)}.auth-form input::placeholder{color:var(--color-text)}.auth-form button{width:100%;margin-top:1rem}@media (max-width: 768px){.nav{display:none}.mobile-menu-btn{display:flex}.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem}.hero-actions{flex-direction:column;align-items:center}.image-compare,.features-grid,.pricing-grid{grid-template-columns:1fr}.pricing-card.featured{transform:none}.drop-zone{padding:2rem 1rem}}@media (max-width: 480px){.container{padding:0 .5rem}.hero,.upload-section,.features,.pricing{padding:2rem 0}.hero-title{font-size:1.75rem}.section-title{font-size:2rem}}