*{margin:0;padding:0;box-sizing:border-box}:root{--sky-blue: #87CEEB;--azure-blue: #007FFF;--deep-blue: #0056CC;--white: #FFFFFF;--light-gray: #F8FAFC;--medium-gray: #64748B;--dark-gray: #1E293B;--glass-bg: rgba(255, 255, 255, .25);--glass-bg-strong: rgba(255, 255, 255, .4);--glass-border: rgba(255, 255, 255, .3);--glass-shadow: 0 8px 32px rgba(0, 0, 0, .1);--glass-shadow-hover: 0 16px 48px rgba(0, 0, 0, .15);--gradient-primary: linear-gradient(135deg, var(--sky-blue) 0%, var(--azure-blue) 100%);--gradient-subtle: linear-gradient(135deg, rgba(135, 206, 235, .1) 0%, rgba(0, 127, 255, .1) 100%);--gradient-radial: radial-gradient(circle at 30% 20%, rgba(135, 206, 235, .3) 0%, transparent 50%);--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-weight-regular: 400;--font-weight-medium: 500;--font-weight-bold: 700;--transition-fast: .2s ease-out;--transition-medium: .3s ease-out;--transition-slow: .5s ease-out}body{font-family:var(--font-family);background:var(--gradient-radial),linear-gradient(135deg,#f0f9ff,#e0f2fe);min-height:100vh;color:var(--dark-gray);line-height:1.6}.app{display:flex;min-height:100vh;position:relative}.mobile-menu-toggle{display:none;position:fixed;top:20px;left:20px;z-index:1001;background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:12px;width:50px;height:50px;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;transition:all var(--transition-fast);box-shadow:var(--glass-shadow)}.mobile-menu-toggle span{width:20px;height:2px;background:var(--azure-blue);border-radius:1px;transition:all var(--transition-fast)}.mobile-menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.mobile-menu-toggle.active span:nth-child(2){opacity:0}.mobile-menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-6px)}.mobile-overlay{display:none;position:fixed;top:0;left:0;width:100vw;height:100vh;background:#00000080;z-index:999;opacity:0;transition:opacity var(--transition-medium)}.mobile-overlay.active{opacity:1}.sidebar{width:300px;flex-shrink:0;background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-right:1px solid var(--glass-border);height:100vh;position:sticky;top:0;overflow-y:auto;box-shadow:var(--glass-shadow);transition:transform var(--transition-medium)}.sidebar-header{padding:var(--spacing-lg);margin-bottom:var(--spacing-2xl);text-align:center;border-bottom:1px solid var(--glass-border)}.nav-content{padding:var(--spacing-lg)}.logo{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-size:1.5rem;font-weight:var(--font-weight-bold);margin-bottom:var(--spacing-sm)}.subtitle{color:var(--medium-gray);font-size:.9rem;font-weight:var(--font-weight-medium)}.progress-indicator{background:#fff3;height:4px;border-radius:2px;margin-bottom:var(--spacing-2xl);overflow:hidden}.progress-bar{height:100%;background:var(--gradient-primary);width:14.28%;border-radius:2px;transition:width var(--transition-medium)}.nav-menu{display:flex;flex-direction:column;gap:var(--spacing-sm)}.nav-link{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);color:var(--medium-gray);text-decoration:none;border-radius:12px;transition:all var(--transition-fast);position:relative;font-weight:var(--font-weight-medium)}.nav-link:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:var(--gradient-subtle);transition:left var(--transition-medium);z-index:-1}.nav-link:hover:before,.nav-link.active:before{left:0}.nav-link:hover,.nav-link.active{color:var(--azure-blue);background:var(--glass-bg-strong);transform:translate(4px);text-decoration:none}.nav-icon{margin-right:var(--spacing-md);font-size:1.2rem;width:20px;height:20px;display:flex;align-items:center;justify-content:center}.main-content{flex:1;padding:var(--spacing-2xl);min-height:100vh;width:0}.content-section{display:none!important;opacity:1;transform:translateY(0);transition:all .3s ease-out}.content-section.active{display:block!important;opacity:1;transform:translateY(0)}.section-header{margin-bottom:var(--spacing-2xl);text-align:center}.section-header h1{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-size:2.5rem;font-weight:var(--font-weight-bold);margin-bottom:var(--spacing-md)}.section-subtitle{color:var(--medium-gray);font-size:1.2rem;font-weight:var(--font-weight-medium)}.hero-section{background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:24px;padding:var(--spacing-2xl);margin-bottom:var(--spacing-2xl);box-shadow:var(--glass-shadow);text-align:center;position:relative;overflow:hidden;width:100%}.hero-section:before{content:"";position:absolute;top:-50%;right:-50%;width:100%;height:100%;background:var(--gradient-radial);z-index:-1}.hero-title{font-size:3.5rem;font-weight:var(--font-weight-bold);background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--spacing-md)}.hero-subtitle{font-size:1.4rem;color:var(--deep-blue);font-weight:var(--font-weight-medium);margin-bottom:var(--spacing-lg)}.hero-description{max-width:800px;margin:0 auto var(--spacing-xl) auto;color:var(--medium-gray);font-size:1.1rem;line-height:1.7}.cta-button{background:var(--gradient-primary);color:var(--white);border:none;padding:var(--spacing-md) var(--spacing-xl);border-radius:50px;font-size:1.1rem;font-weight:var(--font-weight-medium);cursor:pointer;transition:all var(--transition-fast);box-shadow:var(--glass-shadow);text-transform:uppercase;letter-spacing:.5px}.cta-button:hover{transform:translateY(-2px);box-shadow:var(--glass-shadow-hover);filter:brightness(1.1)}.cta-button:active{transform:translateY(0)}.features-grid,.chapter-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:var(--spacing-xl);margin-bottom:var(--spacing-2xl);width:100%}.case-study-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(500px,1fr));gap:var(--spacing-xl);margin-bottom:var(--spacing-2xl);width:100%}.feature-card,.chapter-card,.case-study-card{background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:20px;padding:var(--spacing-2xl);box-shadow:var(--glass-shadow);transition:all var(--transition-medium);position:relative;overflow:hidden;width:100%}.feature-card:before,.chapter-card:before,.case-study-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--transition-medium)}.feature-card:hover,.chapter-card:hover,.case-study-card:hover{transform:translateY(-4px);box-shadow:var(--glass-shadow-hover);background:var(--glass-bg-strong)}.feature-card:hover:before,.chapter-card:hover:before,.case-study-card:hover:before{transform:scaleX(1)}.feature-icon{font-size:2.5rem;margin-bottom:var(--spacing-md)}.feature-card h3,.chapter-card h3{color:var(--deep-blue);font-size:1.3rem;font-weight:var(--font-weight-bold);margin-bottom:var(--spacing-md)}.feature-card p,.chapter-card p{color:var(--medium-gray);line-height:1.6}.intro-text{background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:16px;padding:var(--spacing-xl);margin-bottom:var(--spacing-2xl);box-shadow:var(--glass-shadow)}.intro-text p{color:var(--medium-gray);font-size:1.1rem;line-height:1.7;margin:0}.chapter-intro{font-style:italic;color:var(--azure-blue)!important;font-size:1rem!important;margin-bottom:var(--spacing-lg)!important}.chapter-content{margin-top:var(--spacing-lg)}.chapter-content h4{color:var(--azure-blue);font-weight:var(--font-weight-bold);margin-bottom:var(--spacing-sm);margin-top:var(--spacing-md)}.chapter-content ul{margin-left:var(--spacing-lg);margin-bottom:var(--spacing-md)}.chapter-content li{margin-bottom:var(--spacing-xs);color:var(--medium-gray)}.chapter-content li strong{color:var(--deep-blue)}.conclusion-section{background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:20px;padding:var(--spacing-2xl);margin-top:var(--spacing-2xl);box-shadow:var(--glass-shadow)}.conclusion-section h3{color:var(--deep-blue);font-size:1.5rem;margin-bottom:var(--spacing-lg);text-align:center}.conclusion-section p{color:var(--medium-gray);line-height:1.7;margin-bottom:var(--spacing-md)}.conclusion-section p:last-child{margin-bottom:0}.case-study-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg)}.case-study-card h3{color:var(--deep-blue);font-size:1.5rem;font-weight:var(--font-weight-bold)}.case-study-tag{background:var(--gradient-primary);color:var(--white);padding:var(--spacing-xs) var(--spacing-md);border-radius:20px;font-size:.8rem;font-weight:var(--font-weight-medium)}.success-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-md);margin-top:var(--spacing-lg);padding-top:var(--spacing-lg);border-top:1px solid var(--glass-border)}.metric{text-align:center}.metric-value{display:block;font-size:1.5rem;font-weight:var(--font-weight-bold);color:var(--azure-blue)}.metric-label{font-size:.9rem;color:var(--medium-gray)}.revenue-item{background:#87ceeb1a;padding:var(--spacing-md);border-radius:12px;margin-bottom:var(--spacing-md);border-left:4px solid var(--azure-blue)}.revenue-item strong{color:var(--deep-blue);display:block;margin-bottom:var(--spacing-xs)}.legal-warning{background:linear-gradient(135deg,#ff6b6b1a,#ff453a1a);border:1px solid rgba(255,107,107,.3);border-radius:12px;padding:var(--spacing-md);margin-top:var(--spacing-lg)}.legal-warning h4{color:#ff6b6b;margin-bottom:var(--spacing-sm)}.rights-breakdown{background:var(--gradient-subtle);border-radius:12px;padding:var(--spacing-md);margin-top:var(--spacing-lg)}.comparison-table,.monetization-table{background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:20px;padding:var(--spacing-xl);box-shadow:var(--glass-shadow);margin-top:var(--spacing-2xl);width:100%}.comparison-table h3,.monetization-table h3{color:var(--deep-blue);margin-bottom:var(--spacing-lg);text-align:center}.table-responsive{overflow-x:auto;width:100%}table{width:100%;border-collapse:collapse;background:var(--white);border-radius:12px;overflow:hidden;box-shadow:var(--glass-shadow)}th{background:var(--gradient-primary);color:var(--white);padding:var(--spacing-md);text-align:left;font-weight:var(--font-weight-bold)}td{padding:var(--spacing-md);border-bottom:1px solid rgba(135,206,235,.2);color:var(--medium-gray)}tr:nth-child(2n){background:#87ceeb0d}tr:hover{background:#87ceeb1a}td strong{color:var(--deep-blue)}@media (max-width: 1024px){.mobile-menu-toggle{display:flex}.sidebar{position:fixed;top:0;left:0;z-index:1000;transform:translate(-100%);width:280px;height:100vh}.sidebar.active{transform:translate(0)}.mobile-overlay{display:block}.main-content{width:100%;padding:var(--spacing-lg);padding-top:80px}.hero-title{font-size:2.5rem}.section-header h1{font-size:2rem}.features-grid,.chapter-grid,.case-study-grid{grid-template-columns:1fr;gap:var(--spacing-xl)}.success-metrics{grid-template-columns:1fr}}@media (max-width: 768px){.main-content{padding:var(--spacing-md);padding-top:80px}.sidebar{width:260px}.sidebar-header,.nav-content{padding:var(--spacing-md)}.hero-title{font-size:2rem}.hero-subtitle{font-size:1.1rem}.hero-description{font-size:1rem}.case-study-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm)}table{font-size:.9rem}th,td{padding:var(--spacing-sm)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.nav-link.active .nav-icon{animation:pulse 2s infinite}.sidebar::-webkit-scrollbar{width:4px}.sidebar::-webkit-scrollbar-track{background:transparent}.sidebar::-webkit-scrollbar-thumb{background:var(--glass-border);border-radius:2px}.sidebar::-webkit-scrollbar-thumb:hover{background:var(--sky-blue)}