*{margin:0;padding:0;box-sizing:border-box}:root{--color-black: #000000;--color-gray-900: #1d1d1f;--color-gray-800: #2d2d2f;--color-gray-700: #424245;--color-gray-600: #6e6e73;--color-gray-500: #86868b;--color-gray-400: #a1a1a6;--color-gray-300: #c7c7cc;--color-gray-200: #d2d2d7;--color-gray-100: #f5f5f7;--color-white: #ffffff;--color-blue: #007aff;--color-blue-dark: #0056cc;--scroll-progress: 0;--font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--spacing-2xl: 4rem;--spacing-3xl: 6rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--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 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var(--spacing-lg)}.hero-badge{display:inline-flex;align-items:center;padding:var(--spacing-xs) var(--spacing-md);background:var(--color-gray-800);border:1px solid var(--color-gray-700);border-radius:50px;margin-bottom:var(--spacing-lg);font-size:.9rem;font-weight:500;color:var(--color-gray-300)}.hero-title{font-size:clamp(3rem,8vw,5rem);font-weight:700;letter-spacing:-.02em;margin-bottom:var(--spacing-md);position:relative;--gray-intensity: calc(156 + var(--scroll-progress) * 99);background:linear-gradient(90deg,rgb(var(--gray-intensity),calc(var(--gray-intensity) + 7),calc(var(--gray-intensity) + 15)),#fff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:titleFadeIn 1s ease-out}@keyframes 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var(--color-gray-700)}.btn-secondary:hover{background:var(--color-gray-800);border-color:var(--color-gray-600);transform:translateY(-1px)}.hero-stats{display:flex;justify-content:center;gap:var(--spacing-2xl);flex-wrap:wrap}.stat{text-align:center}.stat-value{display:block;font-size:1.5rem;font-weight:600;color:var(--color-white);margin-bottom:var(--spacing-xs)}.stat-label{font-size:.9rem;color:var(--color-gray-500)}.examples-section{padding:var(--spacing-3xl) 0;background:var(--color-gray-900)}.section-header{text-align:center;margin-bottom:var(--spacing-3xl)}.section-header h2{font-size:clamp(2rem,5vw,3rem);font-weight:700;margin-bottom:var(--spacing-md);color:var(--color-white)}.section-header p{font-size:1.2rem;color:var(--color-gray-400);max-width:600px;margin:0 auto}.scroll-example{display:grid;grid-template-columns:1fr 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var(--spacing-sm)}.horizontal-item h4{color:var(--color-white);font-size:.9rem;font-weight:600;margin-bottom:var(--spacing-xs)}.horizontal-item p{color:var(--color-gray-300);font-size:.8rem;line-height:1.4}.grid-content{display:grid;grid-template-columns:repeat(15,140px);grid-template-rows:repeat(10,100px);gap:var(--spacing-sm);padding:var(--spacing-lg);width:calc(15 * 140px + 14 * var(--spacing-sm) + 2 * var(--spacing-lg));height:calc(10 * 100px + 9 * var(--spacing-sm) + 2 * var(--spacing-lg))}.grid-cell{width:140px;height:100px;background:var(--color-gray-600);border:1px solid var(--color-gray-500);border-radius:var(--radius-sm);display:flex;flex-direction:column;overflow:hidden}.cell-header{background:var(--color-gray-700);padding:var(--spacing-xs);font-size:.8rem;font-weight:600;color:var(--color-white);text-align:center;border-bottom:1px solid var(--color-gray-500)}.cell-body{flex:1;display:flex;align-items:center;justify-content:center;color:var(--color-gray-300);font-size:.75rem;text-align:center;line-height:1.3}.scroll-example.hijacked{transform:scale(1.02);box-shadow:0 0 30px #007aff4d;transition:all .3s ease}.scroll-container.active-hijack{border-color:var(--color-blue);box-shadow:inset 0 0 0 2px var(--color-blue)}.slideshow-scroll{background:var(--color-gray-800)}.scroll-container{transition:all .3s ease}.scroll-container.active-hijack{transform:translateY(-2px)}.scroll-container.active-hijack::-webkit-scrollbar-thumb{background:var(--color-blue);box-shadow:0 0 6px #007aff66}@media (max-width: 768px){.slide-item{flex-direction:column;text-align:center}.slide-image{align-self:center}.horizontal-item{width:200px}.grid-content{grid-template-columns:repeat(12,120px);width:calc(12 * 120px + 11 * var(--spacing-sm) + 2 * var(--spacing-lg))}.grid-cell{width:120px;height:80px}}.code-section{padding:var(--spacing-3xl) 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var(--color-gray-700);box-shadow:var(--shadow-xl)}.code-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-lg);background:var(--color-gray-800);border-bottom:1px solid var(--color-gray-700)}.code-dots{display:flex;gap:var(--spacing-xs)}.dot{width:12px;height:12px;border-radius:50%}.dot.red{background:#ff5f56}.dot.yellow{background:#ffbd2e}.dot.green{background:#27ca3f}.code-title{color:var(--color-gray-400);font-size:.9rem}.copy-button{background:transparent;border:none;color:var(--color-gray-400);cursor:pointer;font-size:1rem;padding:var(--spacing-xs);border-radius:var(--radius-sm);transition:all .2s ease}.copy-button:hover{color:var(--color-white);background:var(--color-gray-700)}.code{font-family:var(--font-mono);font-size:.9rem;line-height:1.6;margin:0;padding:var(--spacing-lg);color:var(--color-gray-300);background:transparent;overflow-x:auto}.footer{padding:var(--spacing-3xl) 0 var(--spacing-lg);background:var(--color-gray-900);border-top:1px solid var(--color-gray-800)}.footer-content{display:grid;grid-template-columns:1fr auto;gap:var(--spacing-3xl);margin-bottom:var(--spacing-2xl)}.footer-main h3{font-size:1.5rem;font-weight:600;margin-bottom:var(--spacing-sm);color:var(--color-white)}.footer-main p{color:var(--color-gray-400);margin-bottom:var(--spacing-md)}.footer-main a img{margin-top:4px;border-radius:var(--radius-sm);transition:transform .2s ease,box-shadow .2s ease}.footer-main a img:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}.footer-links{display:flex;gap:var(--spacing-2xl)}.link-group h4{font-size:1rem;font-weight:600;margin-bottom:var(--spacing-md);color:var(--color-white)}.link-group a{display:block;color:var(--color-gray-400);text-decoration:none;margin-bottom:var(--spacing-sm);transition:color .2s ease}.link-group a:hover{color:var(--color-white)}.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:var(--spacing-lg);border-top:1px solid var(--color-gray-800)}.footer-bottom p{color:var(--color-gray-500);font-size:.9rem}.footer-badge{color:var(--color-gray-400);font-size:.9rem}@media (max-width: 768px){.container{padding:0 var(--spacing-md)}.hero-actions{flex-direction:column;align-items:center}.hero-stats{gap:var(--spacing-lg)}.scroll-example{grid-template-columns:1fr;gap:var(--spacing-lg);text-align:center}.code-content{grid-template-columns:1fr;gap:var(--spacing-lg)}.footer-content{grid-template-columns:1fr;gap:var(--spacing-lg);text-align:center}.footer-links{justify-content:center}.footer-bottom{flex-direction:column;gap:var(--spacing-md);text-align:center}}@keyframes fadeUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeLeft{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.animate-fade-up{animation:fadeUp .8s ease-out forwards;opacity:0}.animate-fade-left{animation:fadeLeft .8s ease-out forwards;opacity:0}.scroll-example{animation:fadeIn .8s ease-out}.btn-primary,.btn-secondary{position:relative;overflow:hidden}.btn-primary:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);transition:left 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.comment{color:var(--color-gray-500);font-style:italic}.back-to-top{position:fixed;bottom:var(--spacing-lg);right:var(--spacing-lg);width:56px;height:56px;border:none;border-radius:50%;background:var(--color-gray-800);color:var(--color-white);font-size:1.5rem;cursor:pointer;opacity:0;transform:translateY(20px);transition:all .3s ease;z-index:100;border:1px solid var(--color-gray-600);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:var(--shadow-lg)}.back-to-top.visible{opacity:1;transform:translateY(0)}.back-to-top:hover{background:var(--color-blue);transform:translateY(-2px);box-shadow:var(--shadow-xl)}@media (max-width: 768px){.back-to-top{bottom:var(--spacing-md);right:var(--spacing-md);width:48px;height:48px;font-size:1.2rem}}.scroll-indicator-arrow{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md);margin-top:var(--spacing-3xl);cursor:pointer;transition:all .3s ease;opacity:1;transform:translateY(0)}.scroll-indicator-arrow.hidden{opacity:0;transform:translateY(-20px);pointer-events:none}.scroll-indicator-arrow.visible{opacity:1;transform:translateY(0)}.scroll-text{font-size:.9rem;color:var(--color-gray-400);text-transform:uppercase;letter-spacing:2px;font-weight:500;animation:textGlow 2s ease-in-out infinite alternate}@keyframes textGlow{0%{color:var(--color-gray-400);text-shadow:0 0 5px rgba(161,161,170,.3)}to{color:var(--color-gray-300);text-shadow:0 0 10px rgba(161,161,170,.6)}}.futuristic-arrow{position:relative;width:40px;height:60px;display:flex;flex-direction:column;align-items:center;justify-content:center;animation:arrowBounce 2s ease-in-out infinite}@keyframes arrowBounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(8px)}60%{transform:translateY(4px)}}.arrow-line{width:2px;height:30px;background:linear-gradient(to bottom,var(--color-gray-500),var(--color-blue));border-radius:1px;position:relative;animation:linePulse 1.5s ease-in-out infinite}@keyframes linePulse{0%,to{background:linear-gradient(to bottom,var(--color-gray-500),var(--color-blue));box-shadow:0 0 5px #007aff4d}50%{background:linear-gradient(to bottom,var(--color-blue),var(--color-gray-300));box-shadow:0 0 15px #007affcc}}.arrow-head{width:0;height:0;border-left:8px solid transparent;border-right:8px solid transparent;border-top:12px solid var(--color-blue);margin-top:-2px;filter:drop-shadow(0 0 8px rgba(0,122,255,.6));animation:headGlow 1.5s ease-in-out infinite}@keyframes headGlow{0%,to{border-top-color:var(--color-blue);filter:drop-shadow(0 0 8px rgba(0,122,255,.6))}50%{border-top-color:var(--color-gray-300);filter:drop-shadow(0 0 20px rgba(0,122,255,1))}}.arrow-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:radial-gradient(circle,rgba(0,122,255,.1) 0%,transparent 70%);border-radius:50%;animation:glowPulse 2s ease-in-out infinite}@keyframes glowPulse{0%,to{transform:translate(-50%,-50%) scale(1);opacity:.5}50%{transform:translate(-50%,-50%) scale(1.5);opacity:1}}.scroll-indicator-arrow:hover .scroll-text{color:var(--color-white);text-shadow:0 0 15px rgba(255,255,255,.8)}.scroll-indicator-arrow:hover .futuristic-arrow{transform:scale(1.1)}@media (max-width: 768px){.scroll-indicator-arrow{margin-top:var(--spacing-2xl)}.futuristic-arrow{width:30px;height:45px}.arrow-line{height:22px}.arrow-head{border-left-width:6px;border-right-width:6px;border-top-width:9px}}