:root{--color-primary: #4080ff;--color-primary-light: #6090ff;--color-primary-dark: #3060dd;--color-secondary: #ff6b6b;--color-accent: #4ecdc4;--bg-primary: #0a0a20;--bg-secondary: #1a1a30;--bg-glass: rgba(10, 10, 32, .5);--bg-overlay: rgba(0, 0, 0, .7);--text-primary: #ffffff;--text-secondary: #cccccc;--text-muted: rgba(255, 255, 255, .6);--text-disabled: rgba(255, 255, 255, .3);--border-primary: rgba(64, 128, 255, .3);--border-secondary: rgba(255, 255, 255, .1);--border-focus: var(--color-primary);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .1);--shadow-md: 0 4px 16px rgba(0, 0, 0, .2);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .3);--shadow-glow: 0 0 20px rgba(64, 128, 255, .6);--shadow-button: 0 8px 30px var(--color-primary);--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--font-family-primary: "Helvetica Neue", Arial, sans-serif;--font-family-secondary: "SF Pro Display", -apple-system, BlinkMacSystemFont, sans-serif;--font-size-xs: clamp(.75rem, 2vw, .875rem);--font-size-sm: clamp(.875rem, 2.5vw, 1rem);--font-size-base: clamp(1rem, 3vw, 1.125rem);--font-size-lg: clamp(1.125rem, 3.5vw, 1.25rem);--font-size-xl: clamp(1.25rem, 4vw, 1.5rem);--font-size-2xl: clamp(1.5rem, 5vw, 2rem);--font-size-3xl: clamp(2rem, 6vw, 2.5rem);--font-size-4xl: clamp(2.5rem, 7vw, 3.5rem);--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 50px;--transition-fast: .15s ease;--transition-normal: .3s ease;--transition-slow: .5s ease;--z-dropdown: 1000;--z-sticky: 1020;--z-fixed: 1030;--z-modal-backdrop: 1040;--z-modal: 1050;--z-popover: 1060;--z-tooltip: 1070;--z-toast: 2000;--breakpoint-sm: 480px;--breakpoint-md: 768px;--breakpoint-lg: 1024px;--breakpoint-xl: 1280px;--breakpoint-2xl: 1536px;--container-sm: 640px;--container-md: 768px;--container-lg: 1024px;--container-xl: 1280px;--container-2xl: 1400px}:root{--color-scheme: dark}@media (prefers-color-scheme: light){:root{--color-scheme: light;--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-glass: rgba(255, 255, 255, .7);--bg-overlay: rgba(0, 0, 0, .5);--text-primary: #1d1d1f;--text-secondary: #6e6e73;--text-muted: #8e8e93;--text-disabled: #c7c7cc;--border-primary: rgba(0, 0, 0, .1);--border-secondary: rgba(0, 0, 0, .05);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 4px 16px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .12);--shadow-glow: 0 0 20px rgba(64, 128, 255, .3)}}@media (prefers-reduced-motion: reduce){:root{--transition-fast: .01ms linear;--transition-normal: .01ms linear;--transition-slow: .01ms linear}}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family-primary);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--text-primary);background-color:var(--bg-primary);overflow-x:hidden;min-height:100vh;transition:color var(--transition-normal),background-color var(--transition-normal)}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:var(--line-height-tight);margin-bottom:var(--space-md)}h1{font-size:var(--font-size-4xl)}h2{font-size:var(--font-size-3xl)}h3{font-size:var(--font-size-2xl)}h4{font-size:var(--font-size-xl)}h5{font-size:var(--font-size-lg)}h6{font-size:var(--font-size-base)}p{margin-bottom:var(--space-md);max-width:65ch}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-light)}a:focus-visible{outline:2px solid var(--border-focus);outline-offset:2px}img{max-width:100%;height:auto;display:block}img[loading=lazy]{opacity:0;transition:opacity .3s}img[loading=lazy].loaded{opacity:1}button{font-family:inherit;font-size:inherit;border:none;background:none;cursor:pointer;transition:transform var(--transition-fast)}button:focus-visible{outline:2px solid var(--border-focus);outline-offset:2px}button:active{transform:scale(.98)}input,textarea,select{font-family:inherit;font-size:inherit;border:1px solid var(--border-secondary);border-radius:var(--radius-md);padding:var(--space-sm) var(--space-md);background:var(--bg-secondary);color:var(--text-primary);transition:border-color var(--transition-fast)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--border-focus)}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.skip-link{position:absolute;top:-40px;left:6px;background:var(--bg-primary);color:var(--text-primary);padding:var(--space-sm) var(--space-md);text-decoration:none;border-radius:var(--radius-md);z-index:var(--z-tooltip);transition:top var(--transition-fast)}.skip-link:focus{top:6px}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@media (prefers-contrast: high){:root{--border-focus: #ffffff;--color-primary: #0066cc}}@media print{*{background:transparent!important;color:#000!important;box-shadow:none!important;text-shadow:none!important}a,a:visited{text-decoration:underline}img{max-width:100%!important}.no-print{display:none!important}}.container{width:100%;max-width:var(--container-xl);margin:0 auto;padding:0 var(--space-md)}@media (min-width: 768px){.container{padding:0 var(--space-lg)}}.hero-section{position:relative;min-height:100vh;overflow:hidden}.promo-container{position:relative;width:100%;height:100vh;overflow:hidden}.hero-image{width:100%;height:100%;object-fit:cover;position:absolute;top:0;left:0;z-index:1}.overlay-gradient{position:absolute;bottom:0;left:0;width:100%;height:40%;background:linear-gradient(to top,var(--bg-primary) 0%,rgba(10,10,32,.8) 40%,rgba(10,10,32,0) 100%);z-index:2;pointer-events:none}.particles{position:absolute;top:0;left:0;width:100%;height:100%;z-index:3;overflow:hidden;pointer-events:none}.particle{position:absolute;border-radius:50%;background:var(--color-primary);opacity:.3;pointer-events:none;will-change:transform,opacity}.content-overlay{position:absolute;bottom:0;left:0;width:100%;padding:0 var(--space-md) var(--space-2xl);z-index:4;transform:translateY(-20%)}@media (max-width: 768px){.content-overlay{transform:translateY(-5%);padding:0 var(--space-md) var(--space-xl)}}.app-title{font-size:var(--font-size-4xl);margin-bottom:var(--space-sm);color:var(--text-primary);text-shadow:0 0 20px var(--color-primary);font-weight:700;text-align:center}.app-description{font-size:var(--font-size-xl);max-width:800px;margin:0 auto var(--space-2xl);text-align:center;opacity:.9}.download-container{display:flex;flex-direction:column;align-items:center;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:clamp(var(--space-md),3vw,var(--space-xl));border-radius:30px;background-color:var(--bg-glass);border:1px solid var(--border-primary);box-shadow:var(--shadow-lg),var(--shadow-glow);max-width:520px;margin:0 auto;animation:glow 3s infinite alternate}@keyframes glow{0%{box-shadow:var(--shadow-lg),0 0 20px var(--color-primary)}to{box-shadow:var(--shadow-lg),0 0 40px var(--color-primary)}}@media (prefers-reduced-motion: reduce){.download-container{animation:none}}.download-buttons{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:clamp(var(--space-md),3vw,var(--space-xl));width:100%;margin-bottom:0}.download-link{display:block;text-decoration:none;border-radius:var(--radius-full);overflow:hidden;position:relative;transition:transform var(--transition-normal)}.download-link:focus-visible{outline:2px solid var(--border-focus);outline-offset:4px}.download-button{display:block;width:85%;max-width:260px;height:auto;box-shadow:var(--shadow-button);filter:brightness(1.05);transition:transform var(--transition-normal),box-shadow var(--transition-normal),filter var(--transition-normal)}.download-link:hover .download-button,.download-link:focus .download-button{transform:scale(1.05) translateY(-3px);box-shadow:0 15px 40px var(--color-primary);filter:brightness(1.1)}@media (max-width: 768px){.download-button{max-width:240px;width:85%}}@media (max-width: 480px){.download-container{padding:var(--space-md) var(--space-lg)}.download-button{max-width:200px;width:80%}}.footer{padding:var(--space-xl);border-top:1px solid var(--border-secondary);font-size:var(--font-size-sm);color:var(--text-muted);background-color:var(--bg-primary)}.footer p{margin-bottom:var(--space-md);text-align:center}.footer-icp{display:flex;justify-content:center;align-items:center;flex-direction:column;gap:var(--space-sm)}.footer-icp a{color:var(--text-muted);text-decoration:none;display:inline-flex;align-items:center;gap:var(--space-xs);transition:color var(--transition-fast)}.footer-icp a:hover,.footer-icp a:focus{color:var(--text-secondary)}.footer-icp img{height:20px;width:auto;vertical-align:middle}.footer-icp span{vertical-align:middle}.ripple-effect{position:absolute;border-radius:50%;background:#fff6;transform:scale(0);pointer-events:none;width:100px;height:100px;transition:transform var(--transition-slow),opacity var(--transition-slow)}.notification{position:fixed;top:20px;left:50%;transform:translate(-50%);background:var(--bg-glass);color:var(--text-primary);padding:var(--space-md) var(--space-xl);border-radius:var(--radius-md);border:1px solid var(--border-primary);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);z-index:var(--z-toast);animation:slideDown var(--transition-normal);max-width:300px;text-align:center;box-shadow:var(--shadow-lg)}@keyframes slideDown{0%{transform:translate(-50%) translateY(-100%);opacity:0}to{transform:translate(-50%) translateY(0);opacity:1}}.notification.slide-up{animation:slideUp var(--transition-normal)}@keyframes slideUp{0%{transform:translate(-50%) translateY(0);opacity:1}to{transform:translate(-50%) translateY(-100%);opacity:0}}.loading{display:inline-block;width:20px;height:20px;border:2px solid var(--border-secondary);border-radius:50%;border-top-color:var(--color-primary);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.float-effect{animation:float 6s ease-in-out infinite;opacity:0;transform:translateY(20px);animation-fill-mode:forwards}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}.fade-in{animation:fadeInUp .8s ease forwards}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.hidden{display:none}.visible{display:block}.opacity-0{opacity:0}.opacity-50{opacity:.5}.opacity-100{opacity:1}.transition{transition:all var(--transition-normal)}.transition-fast{transition:all var(--transition-fast)}