:root{--bg-color: #0a0a0a;--primary-color: #ffffff;--secondary-color: #b0b0b0;--accent-color: #4a9eff;--accent-hover: #357abd;--surface-color: #1a1a1a;--surface-hover: #252525;--border-color: #333333;--success-color: #4ade80;--warning-color: #fbbf24;--gradient-bg: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-color);color:var(--primary-color);line-height:1.6;overflow-x:hidden}.container{max-width:1200px;margin:0 auto;padding:0 1rem}header{text-align:center;padding:3rem 0;background:var(--gradient-bg);border-bottom:1px solid var(--border-color)}.hero-title{font-size:clamp(2.5rem,5vw,4rem);font-weight:700;margin-bottom:1rem;background:linear-gradient(135deg,#fff,#b0b0b0);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:clamp(1.1rem,2vw,1.3rem);color:var(--secondary-color);margin-bottom:2rem;font-weight:400}.breadcrumb{display:flex;justify-content:center;gap:.5rem;margin-bottom:2rem;font-size:.9rem;color:var(--secondary-color)}.breadcrumb a{color:var(--accent-color);text-decoration:none}main{padding:3rem 0}.upload-section{background:var(--surface-color);border-radius:20px;padding:3rem;margin-bottom:3rem;border:2px dashed var(--border-color);transition:all .3s ease;position:relative;overflow:hidden}.upload-section:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 50% 50%,rgba(74,158,255,.1) 0%,transparent 70%);opacity:0;transition:opacity .3s ease}.upload-section:hover:before,.upload-section.drag-over:before{opacity:1}.upload-section.drag-over{border-color:var(--accent-color);background:var(--surface-hover);transform:scale(1.02)}.upload-content{text-align:center;position:relative;z-index:1}.upload-icon{font-size:3rem;margin-bottom:1rem;opacity:.7}.upload-text{font-size:1.2rem;color:var(--secondary-color);margin-bottom:1rem}.upload-browse{color:var(--accent-color);font-weight:600;cursor:pointer;text-decoration:underline}.upload-formats{font-size:.9rem;color:var(--secondary-color);margin-top:1rem}#file-input{display:none}.preview-container{display:none;grid-template-columns:1fr 1fr;gap:2rem;margin-bottom:3rem}.image-preview{background:var(--surface-color);border-radius:16px;padding:1.5rem;border:1px solid var(--border-color);transition:transform .3s ease}.image-preview:hover{transform:translateY(-5px)}.preview-title{font-size:1.1rem;font-weight:600;margin-bottom:1rem;color:var(--secondary-color);text-align:center}.canvas-container{position:relative;overflow:hidden;border-radius:12px;background:#000}.preview-canvas{max-width:100%;height:auto;display:block;border-radius:8px}.controls-section{display:none;background:var(--surface-color);border-radius:20px;padding:2rem;margin-bottom:3rem;border:1px solid var(--border-color)}.controls-title{font-size:1.4rem;font-weight:600;margin-bottom:2rem;text-align:center}.controls-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}.control-group{display:flex;flex-direction:column;gap:1rem}.control-label{font-weight:500;color:var(--secondary-color);display:flex;justify-content:space-between;align-items:center}.control-value{background:var(--accent-color);color:#fff;padding:.2rem .5rem;border-radius:4px;font-size:.8rem;font-weight:600}.slider-container{position:relative}.control-slider{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:8px;background:var(--border-color);border-radius:5px;outline:none;transition:all .3s ease}.control-slider:hover{background:#444}.control-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:22px;height:22px;background:var(--accent-color);border-radius:50%;cursor:pointer;box-shadow:0 4px 8px #0000004d;transition:all .3s ease}.control-slider::-webkit-slider-thumb:hover{background:var(--accent-hover);transform:scale(1.1)}.control-slider::-moz-range-thumb{width:22px;height:22px;background:var(--accent-color);border-radius:50%;cursor:pointer;border:none;box-shadow:0 4px 8px #0000004d}.presets-section{display:none;margin-bottom:2rem}.presets-title{font-size:1.2rem;font-weight:600;margin-bottom:1rem;color:var(--secondary-color)}.presets-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:1rem}.preset-btn{background:var(--surface-color);border:1px solid var(--border-color);color:var(--primary-color);padding:.8rem 1rem;border-radius:8px;cursor:pointer;transition:all .3s ease;font-size:.9rem;font-weight:500}.preset-btn:hover{background:var(--surface-hover);border-color:var(--accent-color);transform:translateY(-2px)}.preset-btn.active{background:var(--accent-color);border-color:var(--accent-color)}.download-section{display:none;text-align:center;margin-bottom:3rem}.download-options{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap}.download-btn{background:var(--accent-color);color:#fff;font-size:1.1rem;font-weight:600;padding:1rem 2rem;border:none;border-radius:12px;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden}.download-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}.download-btn:hover:before{left:100%}.download-btn:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 8px 20px #4a9eff4d}.format-selector{display:flex;align-items:center;gap:.5rem;margin-top:1rem;justify-content:center}.format-select{background:var(--surface-color);border:1px solid var(--border-color);color:var(--primary-color);padding:.5rem 1rem;border-radius:8px;font-family:inherit}.content-section{padding:4rem 0;border-bottom:1px solid var(--border-color)}.section-title{font-size:2.2rem;font-weight:700;text-align:center;margin-bottom:3rem;color:var(--primary-color)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.feature-card{background:var(--surface-color);padding:2rem;border-radius:16px;border:1px solid var(--border-color);transition:all .3s ease;position:relative;overflow:hidden}.feature-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent-color),#357abd);opacity:0;transition:opacity .3s ease}.feature-card:hover:before{opacity:1}.feature-card:hover{transform:translateY(-5px);background:var(--surface-hover)}.feature-icon{font-size:2.5rem;margin-bottom:1rem;color:var(--accent-color)}.feature-title{font-size:1.3rem;font-weight:600;margin-bottom:1rem;color:var(--primary-color)}.feature-description{color:var(--secondary-color);line-height:1.7}.faq-container{max-width:800px;margin:0 auto}.faq-item{background:var(--surface-color);border-radius:12px;margin-bottom:1rem;border:1px solid var(--border-color);overflow:hidden;transition:all .3s ease}.faq-question{padding:1.5rem;cursor:pointer;font-weight:600;display:flex;justify-content:space-between;align-items:center;transition:background .3s ease}.faq-question:hover{background:var(--surface-hover)}.faq-toggle{font-size:1.2rem;transition:transform .3s ease}.faq-answer{display:none;padding:1rem;font-size:1rem;color:var(--secondary-color);line-height:1.6}.faq-item.active .faq-answer{display:block}.faq-accordion .faq-item .faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease-out;padding:0 2rem;color:var(--secondary-color);font-size:1rem;line-height:1.6}.promo-section{background-color:var(--surface-color);padding:80px 0;border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}.promo-content{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}.promo-text .section-title{text-align:left}.promo-text .section-subtitle{text-align:left;margin-bottom:2rem}.promo-image-card{background-color:var(--background-color);border-radius:16px;overflow:hidden;border:1px solid var(--border-color);box-shadow:0 8px 32px #00000014;transition:transform .3s ease,box-shadow .3s ease}.promo-image-card:hover{transform:translateY(-8px);box-shadow:0 12px 40px #0000001f}.promo-card-link{text-decoration:none;color:inherit}.promo-card-image{width:100%;height:250px;object-fit:cover;display:block}.promo-card-content{padding:1.5rem}.promo-card-title{font-size:1.25rem;font-weight:600;color:var(--headline-color);margin:0 0 .5rem}.promo-card-excerpt{font-size:.95rem;color:var(--secondary-color);margin-bottom:1rem;line-height:1.5}.promo-card-readmore{font-weight:600;color:var(--accent-color);font-size:.9rem}@media (max-width: 900px){.promo-content{grid-template-columns:1fr;gap:2rem}.promo-text,.promo-text .section-title,.promo-text .section-subtitle{text-align:center}}.cta-section{background:var(--surface-color);border:1px solid var(--border-color);border-radius:20px;text-align:center;padding:3rem;margin:4rem 0}.cta-content .cta-icon{font-size:3rem;margin-bottom:1rem}.cta-content .cta-title{font-size:2rem;color:var(--primary-color);margin-bottom:.5rem}.cta-content .cta-description{font-size:1.1rem;color:var(--secondary-color);max-width:600px;margin:0 auto 1.5rem}.cta-content .cta-button{display:inline-block;background:var(--accent-color);color:#fff;padding:1rem 2rem;border-radius:12px;text-decoration:none;font-weight:600;transition:background .3s ease}.cta-content .cta-button:hover{background:#0056b3}footer{background:var(--surface-color);padding:3rem 0;text-align:center;border-top:1px solid var(--border-color);margin-top:4rem}.footer-content{color:var(--secondary-color);font-size:.9rem}.error-message{background:#dc2626;color:#fff;padding:1rem;border-radius:8px;margin-top:1rem;display:none}.success-message{background:var(--success-color);color:#fff;padding:1rem;border-radius:8px;margin-top:1rem;display:none}.loading{opacity:.7;pointer-events:none}.spinner{border:3px solid var(--border-color);border-top:3px solid var(--accent-color);border-radius:50%;width:30px;height:30px;animation:spin 1s linear infinite;margin:0 auto}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){.preview-container,.controls-grid,.features-grid{grid-template-columns:1fr}.upload-section{padding:2rem 1rem}.download-options{flex-direction:column;align-items:center}}.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}.control-slider:focus,.download-btn:focus,.preset-btn:focus{outline:2px solid var(--accent-color);outline-offset:2px}a{color:var(--accent-color)}.main-nav{background:var(--surface-color);border-bottom:1px solid var(--border-color);padding:1rem 0;margin-bottom:2rem}.main-nav .container{display:flex;justify-content:space-between;align-items:center}.nav-brand{font-size:1.5rem;font-weight:700;color:var(--primary-color);text-decoration:none}.nav-links{list-style:none;margin:0;padding:0;display:flex;gap:1.5rem}.nav-links a{text-decoration:none;color:var(--secondary-color);font-weight:500;transition:color .3s ease;padding-bottom:.5rem;border-bottom:2px solid transparent}.nav-links a:hover{color:var(--primary-color)}.nav-links a.active{color:var(--accent-color);border-bottom-color:var(--accent-color)}.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:0;z-index:1001}.hamburger{display:block;position:relative;width:24px;height:2px;background:var(--primary-color);transition:background .2s .2s ease-out}.hamburger:before,.hamburger:after{content:"";position:absolute;left:0;width:100%;height:2px;background:var(--primary-color);transition:transform .2s ease-out}.hamburger:before{top:-8px}.hamburger:after{bottom:-8px}.main-nav.nav-active .hamburger{background:transparent}.main-nav.nav-active .hamburger:before{transform:translateY(8px) rotate(45deg)}.main-nav.nav-active .hamburger:after{transform:translateY(-8px) rotate(-45deg)}@media (max-width: 768px){.nav-toggle{display:block}.nav-links{position:fixed;top:0;right:0;width:80%;height:100%;background:var(--surface-color);flex-direction:column;padding:6rem 20px 20px;transform:translate(100%);transition:transform .3s cubic-bezier(.77,0,.175,1);border-left:1px solid var(--border-color);z-index:1000}.nav-links.active{transform:translate(0)}.nav-links a{font-size:1.2rem;padding:1rem;border-bottom:1px solid var(--border-color)}.nav-links a:hover,.nav-links a.active{border-bottom-color:var(--accent-color)}}