:root{--bg-primary:#0a0a0f;--bg-secondary:#0f0f15;--bg-tertiary:#151520;--bg-elevated:#1a1a28;--glass-bg:rgba(255,255,255,.02);--glass-bg-hover:rgba(255,255,255,.05);--glass-bg-active:rgba(255,255,255,.08);--glass-border:rgba(255,255,255,.06);--glass-border-hover:rgba(255,255,255,.12);--glass-blur:20px;--glass-blur-strong:40px;--accent-primary:#8b5cf6;--accent-secondary:#a855f7;--accent-tertiary:#7c3aed;--accent-muted:rgba(139,92,246,.3);--accent-glow:rgba(139,92,246,.4);--accent-glow-strong:rgba(139,92,246,.6);--gradient-purple:linear-gradient(135deg,#8b5cf6 0%,#a855f7 50%,#7c3aed 100%);--gradient-glass:linear-gradient(135deg,rgba(255,255,255,.05) 0%,rgba(255,255,255,.02) 100%);--gradient-radial:radial-gradient(ellipse at top,rgba(139,92,246,.15) 0%,transparent 60%);--text-primary:#fff;--text-secondary:rgba(255,255,255,.75);--text-muted:rgba(255,255,255,.45);--text-accent:#a855f7;--shadow-soft:0 8px 32px rgba(0,0,0,.5);--shadow-medium:0 16px 48px rgba(0,0,0,.6);--shadow-glow:0 0 40px var(--accent-glow);--shadow-glow-sm:0 0 20px var(--accent-muted);--shadow-inset:inset 0 1px 1px rgba(255,255,255,.05);--space-xs:.25rem;--space-sm:.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--space-3xl:4rem;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--transition-fast:.15s ease;--transition-base:.25s ease;--transition-slow:.4s ease;--transition-bounce:.4s cubic-bezier(.68,-.55,.265,1.55);--font-sans:-apple-system,BlinkMacSystemFont,'SF Pro Display','Segoe UI',Roboto,Oxygen,Ubuntu,sans-serif;--font-mono:'SF Mono','Fira Code','Consolas',monospace;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:2rem;--text-4xl:2.5rem;--text-5xl:3.5rem}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:1.6;color:var(--text-primary);background:var(--bg-primary);min-height:100vh;overflow-x:hidden}body:before{content:'';position:fixed;top:0;left:0;right:0;height:100vh;background:var(--gradient-radial);pointer-events:none;z-index:0}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;letter-spacing:-.02em}h1{font-size:var(--text-5xl)}h2{font-size:var(--text-4xl)}h3{font-size:var(--text-3xl)}h4{font-size:var(--text-2xl)}h5{font-size:var(--text-xl)}h6{font-size:var(--text-lg)}p{color:var(--text-secondary);margin-bottom:var(--space-md)}a{color:var(--accent-secondary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent-primary)}.site-wrapper{position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column}.site-content{flex:1;width:100%;max-width:1400px;margin:0 auto;padding:var(--space-xl)}.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;padding:var(--space-md) var(--space-xl)}.header-inner{display:flex;align-items:center;justify-content:space-between;max-width:1400px;margin:0 auto;padding:var(--space-md) var(--space-lg);background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-soft)}.site-logo{display:flex;align-items:center;gap:var(--space-sm);font-size:var(--text-xl);font-weight:700;color:var(--text-primary);letter-spacing:-.03em}.logo-icon{width:36px;height:36px;background:var(--gradient-purple);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-glow-sm)}.logo-icon svg{width:20px;height:20px;color:#fff}.site-nav{display:flex;align-items:center;gap:var(--space-sm)}.nav-link{padding:var(--space-sm) var(--space-md);color:var(--text-secondary);font-size:var(--text-sm);font-weight:500;border-radius:var(--radius-md);transition:all var(--transition-fast)}.nav-link:hover{color:var(--text-primary);background:var(--glass-bg-hover)}.nav-link.active{color:var(--text-primary);background:var(--glass-bg-active)}.glass-card{background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft),var(--shadow-inset);transition:all var(--transition-base)}.glass-card:hover{background:var(--glass-bg-hover);border-color:var(--glass-border-hover);transform:translateY(-2px);box-shadow:var(--shadow-medium),var(--shadow-inset)}.glass-card--elevated{background:var(--bg-elevated);backdrop-filter:blur(var(--glass-blur-strong))}.glass-card--glow:hover{box-shadow:var(--shadow-medium),var(--shadow-glow-sm);border-color:var(--accent-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-md) var(--space-xl);font-family:var(--font-sans);font-size:var(--text-sm);font-weight:600;text-transform:uppercase;letter-spacing:.05em;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base)}.btn-primary{background:var(--gradient-purple);color:#fff;box-shadow:var(--shadow-glow-sm)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-glow)}.btn-primary:active{transform:translateY(0)}.btn-glass{background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));color:var(--text-primary);border:1px solid var(--glass-border)}.btn-glass:hover{background:var(--glass-bg-hover);border-color:var(--glass-border-hover)}.btn-icon{width:44px;height:44px;padding:0;border-radius:var(--radius-full)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.extractor-hero{padding-top:calc(80px + var(--space-3xl));padding-bottom:var(--space-3xl);text-align:center}.extractor-title{font-size:var(--text-5xl);font-weight:700;letter-spacing:-.04em;margin-bottom:var(--space-md);background:linear-gradient(135deg,var(--text-primary) 0%,var(--accent-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:#fff0;background-clip:text}.extractor-subtitle{font-size:var(--text-lg);color:var(--text-muted);max-width:500px;margin:0 auto}.upload-zone{position:relative;padding:var(--space-3xl);margin-bottom:var(--space-2xl);border:2px dashed var(--glass-border);border-radius:var(--radius-xl);background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));text-align:center;cursor:pointer;transition:all var(--transition-base)}.upload-zone:hover,.upload-zone.dragover{border-color:var(--accent-primary);background:var(--glass-bg-hover);box-shadow:var(--shadow-glow-sm)}.upload-zone.dragover{transform:scale(1.01)}.upload-icon{width:80px;height:80px;margin:0 auto var(--space-lg);background:var(--gradient-purple);border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-glow)}.upload-icon svg{width:40px;height:40px;color:#fff}.upload-title{font-size:var(--text-xl);font-weight:600;margin-bottom:var(--space-sm);color:var(--text-primary)}.upload-text{color:var(--text-muted);font-size:var(--text-sm)}.upload-formats{display:flex;justify-content:center;gap:var(--space-sm);margin-top:var(--space-lg)}.format-badge{padding:var(--space-xs) var(--space-md);background:var(--bg-elevated);border-radius:var(--radius-full);font-size:var(--text-xs);font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.upload-input{position:absolute;inset:0;opacity:0;cursor:pointer}.processing-container{padding:var(--space-2xl)}.processing-info{text-align:center;margin-bottom:var(--space-xl)}.processing-status{font-size:var(--text-lg);font-weight:600;color:var(--text-primary);margin-bottom:var(--space-sm)}.processing-detail{font-size:var(--text-sm);color:var(--text-muted)}.progress-bar{height:8px;background:var(--bg-elevated);border-radius:var(--radius-full);overflow:hidden;margin-bottom:var(--space-lg)}.progress-fill{height:100%;background:var(--gradient-purple);border-radius:var(--radius-full);transition:width var(--transition-slow);box-shadow:var(--shadow-glow-sm)}.waveform-container{height:120px;background:var(--bg-tertiary);border-radius:var(--radius-lg);margin-bottom:var(--space-xl);display:flex;align-items:center;justify-content:center;overflow:hidden}.waveform-bars{display:flex;align-items:center;gap:3px;height:80%}.waveform-bar{width:4px;background:var(--accent-primary);border-radius:var(--radius-full);animation:waveform 1.2s ease-in-out infinite}.waveform-bar:nth-child(2){animation-delay:.1s}.waveform-bar:nth-child(3){animation-delay:.2s}.waveform-bar:nth-child(4){animation-delay:.3s}.waveform-bar:nth-child(5){animation-delay:.4s}.waveform-bar:nth-child(6){animation-delay:.5s}.waveform-bar:nth-child(7){animation-delay:.6s}.waveform-bar:nth-child(8){animation-delay:.7s}.waveform-bar:nth-child(9){animation-delay:.8s}.waveform-bar:nth-child(10){animation-delay:.9s}@keyframes waveform{0%,100%{height:20%;opacity:.5}50%{height:100%;opacity:1}}.stems-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-lg);margin-top:var(--space-2xl)}.stem-card{padding:var(--space-lg)}.stem-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-md)}.stem-icon{width:48px;height:48px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center}.stem-icon svg{width:24px;height:24px;color:#fff}.stem-icon--vocals{background:linear-gradient(135deg,#ec4899,#f472b6)}.stem-icon--drums{background:linear-gradient(135deg,#f59e0b,#fbbf24)}.stem-icon--bass{background:linear-gradient(135deg,#10b981,#34d399)}.stem-icon--other{background:linear-gradient(135deg,#3b82f6,#60a5fa)}.stem-name{font-size:var(--text-lg);font-weight:600;color:var(--text-primary);margin-bottom:var(--space-xs)}.stem-meta{font-size:var(--text-xs);color:var(--text-muted)}.stem-waveform{height:48px;background:var(--bg-tertiary);border-radius:var(--radius-sm);margin:var(--space-md) 0}.stem-actions{display:flex;gap:var(--space-sm)}.stem-btn{flex:1;padding:var(--space-sm) var(--space-md);font-size:var(--text-xs)}.site-footer{padding:var(--space-xl);text-align:center;border-top:1px solid var(--glass-border);margin-top:auto}.footer-text{font-size:var(--text-sm);color:var(--text-muted)}.hidden{display:none!important}.visible{display:block!important}.flex{display:flex}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.flex-col{flex-direction:column}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.mt-md{margin-top:var(--space-md)}.mt-lg{margin-top:var(--space-lg)}.mt-xl{margin-top:var(--space-xl)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}@keyframes spin{to{transform:rotate(360deg)}}.animate-fade-in{animation:fadeIn var(--transition-slow) ease forwards}.animate-pulse{animation:pulse 2s ease-in-out infinite}.animate-spin{animation:spin 1s linear infinite}@media (max-width:1024px){:root{--text-5xl:2.5rem;--text-4xl:2rem}.site-content{padding:var(--space-lg)}}@media (max-width:768px){:root{--text-5xl:2rem;--text-4xl:1.75rem;--text-3xl:1.5rem}.site-header{padding:var(--space-sm)}.header-inner{padding:var(--space-sm) var(--space-md);border-radius:var(--radius-lg)}.site-logo{font-size:var(--text-lg)}.logo-icon{width:32px;height:32px}.nav-link span{display:none}.upload-zone{padding:var(--space-xl)}.upload-icon{width:64px;height:64px}.stems-grid{grid-template-columns:1fr}}@media (max-width:480px){:root{--text-5xl:1.75rem;--space-xl:1.5rem;--space-2xl:2rem}.site-content{padding:var(--space-md)}.extractor-hero{padding-top:calc(70px + var(--space-2xl))}.upload-formats{flex-wrap:wrap}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--glass-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--glass-border-hover)}::selection{background:var(--accent-muted);color:var(--text-primary)}:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}button:focus-visible,a:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.hero-home{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:calc(80px + var(--space-3xl)) var(--space-xl) var(--space-3xl);position:relative}.hero-home:before{content:'';position:absolute;top:20%;left:50%;transform:translateX(-50%);width:600px;height:600px;background:radial-gradient(circle,var(--accent-glow) 0%,transparent 70%);pointer-events:none;z-index:-1}.hero-badge{display:inline-flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-full);font-size:var(--text-xs);font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.1em;margin-bottom:var(--space-xl);backdrop-filter:blur(var(--glass-blur))}.hero-badge svg{width:16px;height:16px;color:var(--accent-primary)}.hero-title{font-size:clamp(2.5rem, 8vw, 5rem);font-weight:800;letter-spacing:-.04em;line-height:1.1;margin-bottom:var(--space-lg);max-width:900px}.hero-title .gradient-text{background:var(--gradient-purple);-webkit-background-clip:text;-webkit-text-fill-color:#fff0;background-clip:text}.hero-description{font-size:var(--text-xl);color:var(--text-secondary);max-width:600px;margin:0 auto var(--space-2xl);line-height:1.7}.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-md);margin-bottom:var(--space-3xl)}.hero-actions .btn{padding:var(--space-lg) var(--space-2xl);font-size:var(--text-base)}.hero-stats{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-2xl)}.hero-stat{text-align:center}.hero-stat-value{font-size:var(--text-4xl);font-weight:700;color:var(--text-primary);margin-bottom:var(--space-xs)}.hero-stat-label{font-size:var(--text-sm);color:var(--text-muted)}.section{padding:var(--space-3xl) var(--space-xl);max-width:1400px;margin:0 auto}.section-header{text-align:center;margin-bottom:var(--space-3xl)}.section-badge{display:inline-flex;align-items:center;gap:var(--space-sm);padding:var(--space-xs) var(--space-md);background:var(--accent-muted);border-radius:var(--radius-full);font-size:var(--text-xs);font-weight:600;color:var(--accent-secondary);text-transform:uppercase;letter-spacing:.1em;margin-bottom:var(--space-md)}.section-title{font-size:var(--text-4xl);font-weight:700;letter-spacing:-.03em;margin-bottom:var(--space-md);color:var(--text-primary)}.section-description{font-size:var(--text-lg);color:var(--text-muted);max-width:600px;margin:0 auto}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--space-lg)}.feature-card{padding:var(--space-xl);text-align:left}.feature-icon{width:56px;height:56px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;margin-bottom:var(--space-lg);box-shadow:var(--shadow-glow-sm)}.feature-icon svg{width:28px;height:28px;color:#fff}.feature-icon--purple{background:linear-gradient(135deg,#8b5cf6,#a855f7)}.feature-icon--pink{background:linear-gradient(135deg,#ec4899,#f472b6)}.feature-icon--blue{background:linear-gradient(135deg,#3b82f6,#60a5fa)}.feature-icon--green{background:linear-gradient(135deg,#10b981,#34d399)}.feature-icon--orange{background:linear-gradient(135deg,#f59e0b,#fbbf24)}.feature-icon--cyan{background:linear-gradient(135deg,#06b6d4,#22d3ee)}.feature-title{font-size:var(--text-xl);font-weight:600;margin-bottom:var(--space-sm);color:var(--text-primary)}.feature-description{font-size:var(--text-sm);color:var(--text-muted);line-height:1.6;margin-bottom:0}.steps-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--space-xl);position:relative}.step-item{text-align:center;position:relative;padding:var(--space-xl)}.step-number{width:64px;height:64px;margin:0 auto var(--space-lg);background:var(--gradient-purple);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:var(--text-2xl);font-weight:700;color:#fff;box-shadow:var(--shadow-glow);position:relative}.step-connector{position:absolute;top:48px;right:-50%;width:100%;height:2px;background:linear-gradient(90deg,var(--accent-primary),transparent);z-index:-1}.step-item:last-child .step-connector{display:none}.step-title{font-size:var(--text-lg);font-weight:600;margin-bottom:var(--space-sm);color:var(--text-primary)}.step-description{font-size:var(--text-sm);color:var(--text-muted);margin-bottom:0}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:var(--space-lg);align-items:stretch}.pricing-card{padding:var(--space-2xl);display:flex;flex-direction:column;position:relative;overflow:hidden}.pricing-card--popular{border-color:var(--accent-primary);box-shadow:var(--shadow-glow)}.pricing-card--popular:before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient-purple)}.pricing-badge{position:absolute;top:var(--space-lg);right:var(--space-lg);padding:var(--space-xs) var(--space-md);background:var(--gradient-purple);border-radius:var(--radius-full);font-size:var(--text-xs);font-weight:600;color:#fff;text-transform:uppercase;letter-spacing:.05em}.pricing-header{margin-bottom:var(--space-xl)}.pricing-name{font-size:var(--text-xl);font-weight:600;color:var(--text-primary);margin-bottom:var(--space-sm)}.pricing-description{font-size:var(--text-sm);color:var(--text-muted);margin-bottom:0}.pricing-price{margin-bottom:var(--space-xl)}.pricing-amount{font-size:var(--text-5xl);font-weight:700;color:var(--text-primary);line-height:1}.pricing-amount .currency{font-size:var(--text-2xl);vertical-align:super}.pricing-period{font-size:var(--text-sm);color:var(--text-muted);margin-left:var(--space-xs)}.pricing-features{list-style:none;margin-bottom:var(--space-xl);flex-grow:1}.pricing-features li{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) 0;font-size:var(--text-sm);color:var(--text-secondary)}.pricing-features li svg{width:18px;height:18px;color:var(--accent-primary);flex-shrink:0}.pricing-features li.disabled{color:var(--text-muted);text-decoration:line-through}.pricing-features li.disabled svg{color:var(--text-muted)}.pricing-cta{width:100%;margin-top:auto}.accordion{max-width:800px;margin:0 auto}.accordion-item{margin-bottom:var(--space-md);border-radius:var(--radius-lg);overflow:hidden}.accordion-header{width:100%;padding:var(--space-lg) var(--space-xl);display:flex;align-items:center;justify-content:space-between;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base);text-align:left;color:var(--text-primary);font-size:var(--text-base);font-weight:500}.accordion-header:hover{background:var(--glass-bg-hover);border-color:var(--glass-border-hover)}.accordion-item.active .accordion-header{border-bottom-left-radius:0;border-bottom-right-radius:0;border-bottom-color:#fff0}.accordion-icon{width:24px;height:24px;transition:transform var(--transition-base);color:var(--accent-primary);flex-shrink:0}.accordion-item.active .accordion-icon{transform:rotate(180deg)}.accordion-content{max-height:0;overflow:hidden;transition:max-height var(--transition-slow);background:var(--glass-bg);border:1px solid var(--glass-border);border-top:none;border-bottom-left-radius:var(--radius-lg);border-bottom-right-radius:var(--radius-lg)}.accordion-item.active .accordion-content{max-height:500px}.accordion-body{padding:var(--space-lg) var(--space-xl);color:var(--text-secondary);font-size:var(--text-sm);line-height:1.7}.contact-container{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3xl);max-width:1100px;margin:0 auto}.contact-info{display:flex;flex-direction:column;gap:var(--space-xl)}.contact-item{display:flex;align-items:flex-start;gap:var(--space-md)}.contact-icon{width:48px;height:48px;background:var(--gradient-purple);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:var(--shadow-glow-sm)}.contact-icon svg{width:24px;height:24px;color:#fff}.contact-label{font-size:var(--text-sm);color:var(--text-muted);margin-bottom:var(--space-xs)}.contact-value{font-size:var(--text-base);color:var(--text-primary);font-weight:500}.contact-form{padding:var(--space-2xl)}.form-group{margin-bottom:var(--space-lg)}.form-label{display:block;font-size:var(--text-sm);font-weight:500;color:var(--text-secondary);margin-bottom:var(--space-sm)}.form-input,.form-textarea,.form-select{width:100%;padding:var(--space-md) var(--space-lg);background:var(--bg-elevated);border:1px solid var(--glass-border);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-sans);font-size:var(--text-base);transition:all var(--transition-fast)}.form-input:hover,.form-textarea:hover,.form-select:hover{border-color:var(--glass-border-hover)}.form-input:focus,.form-textarea:focus,.form-select:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-muted)}.form-input::placeholder,.form-textarea::placeholder{color:var(--text-muted)}.form-textarea{min-height:150px;resize:vertical}.form-select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right var(--space-md) center;background-size:18px;padding-right:var(--space-3xl)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md)}.radio-group,.checkbox-group{display:flex;flex-wrap:wrap;gap:var(--space-sm)}.radio-item,.checkbox-item{position:relative}.radio-item input,.checkbox-item input{position:absolute;opacity:0;cursor:pointer}.radio-label,.checkbox-label{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);background:var(--bg-elevated);border:1px solid var(--glass-border);border-radius:var(--radius-md);cursor:pointer;font-size:var(--text-sm);color:var(--text-secondary);transition:all var(--transition-fast)}.radio-label:hover,.checkbox-label:hover{border-color:var(--glass-border-hover);color:var(--text-primary)}.radio-item input:checked+.radio-label,.checkbox-item input:checked+.checkbox-label{background:var(--accent-muted);border-color:var(--accent-primary);color:var(--text-primary)}.radio-dot{width:16px;height:16px;border:2px solid var(--glass-border);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.radio-dot:after{content:'';width:8px;height:8px;background:var(--accent-primary);border-radius:var(--radius-full);opacity:0;transform:scale(0);transition:all var(--transition-fast)}.radio-item input:checked+.radio-label .radio-dot{border-color:var(--accent-primary)}.radio-item input:checked+.radio-label .radio-dot:after{opacity:1;transform:scale(1)}.options-panel{padding:var(--space-xl);margin-bottom:var(--space-xl)}.options-title{font-size:var(--text-lg);font-weight:600;color:var(--text-primary);margin-bottom:var(--space-lg);display:flex;align-items:center;gap:var(--space-sm)}.options-title svg{width:20px;height:20px;color:var(--accent-primary)}.options-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-xl)}.option-group{display:flex;flex-direction:column;gap:var(--space-sm)}.option-label{font-size:var(--text-sm);font-weight:500;color:var(--text-secondary)}.waveform-preview{position:relative;height:100px;background:var(--bg-tertiary);border-radius:var(--radius-lg);margin:var(--space-lg) 0;overflow:hidden}.waveform-canvas{width:100%;height:100%;display:block}.waveform-progress{position:absolute;top:0;left:0;height:100%;width:0;background:linear-gradient(90deg,var(--accent-muted),transparent);pointer-events:none;transition:width var(--transition-base)}.waveform-time{position:absolute;bottom:var(--space-sm);left:var(--space-md);font-size:var(--text-xs);color:var(--text-muted);font-family:var(--font-mono)}.waveform-duration{position:absolute;bottom:var(--space-sm);right:var(--space-md);font-size:var(--text-xs);color:var(--text-muted);font-family:var(--font-mono)}.progress-wrapper{position:relative;margin-bottom:var(--space-lg)}.progress-bar-large{height:12px;background:var(--bg-elevated);border-radius:var(--radius-full);overflow:hidden}.progress-fill-animated{height:100%;background:var(--gradient-purple);border-radius:var(--radius-full);transition:width var(--transition-slow);position:relative;overflow:hidden}.progress-fill-animated:after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,transparent,rgb(255 255 255 / .2),transparent);animation:shimmer 2s infinite}@keyframes shimmer{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}.progress-percentage{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:var(--text-lg);font-weight:700;color:var(--text-primary);text-shadow:0 2px 4px rgb(0 0 0 / .5);z-index:1}.history-section{margin-top:var(--space-3xl);padding-top:var(--space-2xl);border-top:1px solid var(--glass-border)}.history-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-lg)}.history-title{font-size:var(--text-xl);font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:var(--space-sm)}.history-title svg{width:20px;height:20px;color:var(--accent-primary)}.history-clear{font-size:var(--text-sm);color:var(--text-muted);background:0 0;border:none;cursor:pointer;transition:color var(--transition-fast)}.history-clear:hover{color:var(--text-primary)}.history-list{display:flex;flex-direction:column;gap:var(--space-sm)}.history-item{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) var(--space-lg);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-md);transition:all var(--transition-fast)}.history-item:hover{background:var(--glass-bg-hover);border-color:var(--glass-border-hover)}.history-info{display:flex;align-items:center;gap:var(--space-md)}.history-icon{width:40px;height:40px;background:var(--bg-elevated);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}.history-icon svg{width:20px;height:20px;color:var(--accent-primary)}.history-name{font-size:var(--text-sm);font-weight:500;color:var(--text-primary)}.history-meta{font-size:var(--text-xs);color:var(--text-muted)}.history-actions{display:flex;gap:var(--space-sm)}.history-btn{padding:var(--space-xs) var(--space-sm);font-size:var(--text-xs)}.history-empty{text-align:center;padding:var(--space-2xl);color:var(--text-muted)}.history-empty svg{width:48px;height:48px;margin-bottom:var(--space-md);opacity:.5}.toast{position:fixed;bottom:var(--space-xl);left:50%;transform:translateX(-50%) translateY(100px);padding:var(--space-md) var(--space-xl);background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:var(--radius-lg);color:var(--text-primary);font-size:var(--text-sm);z-index:9999;opacity:0;transition:all var(--transition-base);display:flex;align-items:center;gap:var(--space-sm)}.toast.show{transform:translateX(-50%) translateY(0);opacity:1}.toast--success{border-color:rgb(16 185 129 / .4);background:rgb(16 185 129 / .1)}.toast--error{border-color:rgb(239 68 68 / .4);background:rgb(239 68 68 / .1)}.toast--info{border-color:var(--accent-muted);background:rgb(139 92 246 / .1)}.toast-icon{width:20px;height:20px;flex-shrink:0}.toast--success .toast-icon{color:#10b981}.toast--error .toast-icon{color:#ef4444}.toast--info .toast-icon{color:var(--accent-primary)}.mobile-menu-toggle{display:none;padding:var(--space-sm);background:0 0;border:none;color:var(--text-primary);cursor:pointer}.mobile-menu-toggle svg{width:24px;height:24px}.cta-section{text-align:center;padding:var(--space-3xl);background:var(--gradient-glass);border-radius:var(--radius-xl);border:1px solid var(--glass-border);margin:var(--space-3xl) 0}.cta-title{font-size:var(--text-3xl);font-weight:700;margin-bottom:var(--space-md)}.cta-description{font-size:var(--text-lg);color:var(--text-secondary);margin-bottom:var(--space-xl);max-width:500px;margin-left:auto;margin-right:auto}@media (max-width:1024px){.contact-container{grid-template-columns:1fr}.pricing-grid{grid-template-columns:1fr;max-width:400px;margin:0 auto}.step-connector{display:none}}@media (max-width:768px){.hero-title{font-size:2rem}.hero-description{font-size:var(--text-base)}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}.hero-stats{gap:var(--space-xl)}.section{padding:var(--space-2xl) var(--space-md)}.features-grid{grid-template-columns:1fr}.steps-container{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.options-grid{grid-template-columns:1fr}.mobile-menu-toggle{display:flex}.site-nav{position:fixed;top:80px;left:var(--space-md);right:var(--space-md);flex-direction:column;background:var(--bg-elevated);backdrop-filter:blur(var(--glass-blur-strong));border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:var(--space-md);gap:var(--space-xs);transform:translateY(-20px);opacity:0;visibility:hidden;transition:all var(--transition-base)}.site-nav.active{transform:translateY(0);opacity:1;visibility:visible}.nav-link{width:100%;justify-content:flex-start}.nav-link span{display:inline}}@media (max-width:480px){.radio-group,.checkbox-group{flex-direction:column}.radio-label,.checkbox-label{width:100%}.history-item{flex-direction:column;align-items:flex-start;gap:var(--space-md)}.history-actions{width:100%}.history-actions .btn{flex:1}}