:root{--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--bg-accent: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--bg-card: #ffffff;--bg-card-hover: #f8fafc;--text-primary: #0f172a;--text-secondary: #475569;--text-tertiary: #94a3b8;--text-accent: #667eea;--text-on-accent: #ffffff;--border-color: #e2e8f0;--border-light: #f1f5f9;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);--gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 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ease}.control-btn:hover{background:var(--bg-tertiary);transform:translateY(-1px);box-shadow:var(--shadow-md)}.control-btn .icon{width:1.25rem;height:1.25rem}.icon-sun{display:block}.icon-moon,[data-theme=dark] .icon-sun{display:none}[data-theme=dark] .icon-moon{display:block}.hero{padding:5rem 0;background:var(--bg-secondary);position:relative;overflow:hidden}.hero:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 30% 50%,rgba(102,126,234,.1) 0%,transparent 50%),radial-gradient(circle at 70% 80%,rgba(118,75,162,.1) 0%,transparent 50%);pointer-events:none}.hero-content{position:relative;z-index:1;max-width:800px;margin:0 auto;text-align:center}.hero-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:var(--bg-card);border:1px solid var(--border-color);border-radius:2rem;font-size:.875rem;font-weight:600;color:var(--text-accent);margin-bottom:2rem;box-shadow:var(--shadow-md)}.hero-badge 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h4{font-size:1.125rem;font-weight:700;color:var(--text-primary);margin-bottom:1.5rem}.footer-description{color:var(--text-secondary);line-height:1.7}.footer-links{list-style:none}.footer-links li{margin-bottom:.75rem}.footer-links a{color:var(--text-secondary);text-decoration:none;transition:color .2s ease}.footer-links a:hover{color:var(--text-accent)}.footer-bottom{padding-top:2rem;border-top:1px solid var(--border-color);text-align:center;color:var(--text-tertiary);font-size:.875rem}@media (max-width: 768px){.hero-title{font-size:3rem}.hero-subtitle{font-size:1.25rem}.price-tag{font-size:2rem}.hero-description{font-size:1rem}.hero-actions{flex-direction:column}.btn{width:100%}.section-title{font-size:2rem}.features-grid,.use-cases-grid,.advantages-grid,.info-grid,.contact-info{grid-template-columns:1fr}.header-content{flex-direction:column;text-align:center}.logo{align-items:center}.control-btn span{display:none}.info-highlight{flex-direction:column;text-align:center}section{padding:3rem 0}.footer-grid{grid-template-columns:1fr;text-align:center}}@media (max-width: 480px){.hero-title{font-size:2.5rem}.logo-text{font-size:1.5rem}.price-tag{font-size:1.75rem}.hero{padding:3rem 0}.feature-card,.advantage-card{padding:1.5rem}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.hero-content{animation:fadeIn .8s ease-out}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}html{scroll-behavior:auto}}button:focus-visible,a:focus-visible{outline:2px solid var(--text-accent);outline-offset:2px}