:root{--bg-primary: #0a0f0d;--bg-secondary: rgba(15, 25, 20, .6);--bg-hover: rgba(15, 25, 20, .8);--text-primary: #f0f4f2;--text-secondary: #a8bdb2;--text-muted: #8fa99b;--accent-green: #1a5d3a;--accent-green-bright: #4ade80;--border-primary: rgba(26, 93, 58, .2);--border-hover: rgba(26, 93, 58, .5);--shadow-green: rgba(0, 66, 37, .3);--code-bg: rgba(15, 25, 20, .9);--code-border: rgba(143, 169, 155, .2)}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;line-height:1.6}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:var(--bg-primary);background-image:radial-gradient(circle at 20% 50%,rgba(0,66,37,.3) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(26,93,58,.2) 0%,transparent 50%),radial-gradient(circle at 40% 20%,rgba(0,66,37,.2) 0%,transparent 50%);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-family:Playfair Display,serif;font-weight:400;letter-spacing:-.02em}code,pre{font-family:JetBrains Mono,Courier New,monospace}a{color:var(--accent-green-bright);text-decoration:none;transition:color .3s ease}a:hover{color:var(--text-primary)}.app-container{display:flex;min-height:100vh}.navigation{position:fixed;left:0;top:0;width:260px;height:100vh;background:var(--bg-secondary);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-right:1px solid var(--border-primary);padding:2rem 1.5rem;overflow-y:auto}.nav-header{margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border-primary)}.nav-header h2{font-size:1.5rem;margin-bottom:.5rem;color:var(--text-primary)}.nav-subtitle{color:var(--text-muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.05em}.nav-section{margin-bottom:2rem}.nav-section h3{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:.75rem;font-family:Inter,sans-serif;font-weight:600}.nav-link{display:block;padding:.75rem 1rem;color:var(--text-secondary);text-decoration:none;transition:all .3s ease;margin-bottom:.25rem;position:relative}.nav-link:hover{background:rgba(26,93,58,.1);color:var(--text-primary)}.nav-link.active{background:rgba(26,93,58,.2);color:var(--accent-green-bright);border-left:2px solid var(--accent-green-bright)}.nav-footer{margin-top:auto;padding-top:2rem;border-top:1px solid var(--border-primary)}.back-link{color:var(--text-muted);font-size:.85rem;text-decoration:none;transition:color .3s ease}.back-link:hover{color:var(--text-primary)}.main-content{flex:1;margin-left:260px;padding:2rem 3rem;max-width:1400px}.page{max-width:1200px;margin:0 auto;padding:2rem;background:var(--bg-secondary);border-radius:1rem;box-shadow:0 8px 32px var(--shadow-green);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-primary)}.page-header{text-align:center;margin-bottom:3rem}.page-title{font-size:2.5rem;font-weight:700;color:var(--text-primary);margin-bottom:1rem;background:linear-gradient(135deg,var(--accent-green-bright),var(--accent-green));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.page-subtitle{font-size:1.2rem;color:var(--text-secondary);max-width:600px;margin:0 auto}.section{margin-bottom:3rem}.section-title{font-size:1.8rem;font-weight:600;color:var(--text-primary);margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}.section-description{color:var(--text-secondary);margin-bottom:1.5rem;line-height:1.7}.demo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-bottom:2rem}.demo-card{background:var(--bg-hover);border-radius:1rem;padding:1.5rem;box-shadow:0 4px 20px var(--shadow-green);border:1px solid var(--border-primary);transition:transform .3s ease,box-shadow .3s ease}.demo-card:hover{transform:translateY(-4px);box-shadow:0 8px 32px var(--shadow-green);border-color:var(--border-hover)}.demo-title{font-size:1.2rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.demo-description{color:var(--text-secondary);margin-bottom:1rem;font-size:.9rem}.demo-preview{width:100%;height:200px;border:2px solid var(--border-primary);border-radius:.5rem;margin-bottom:1rem;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);position:relative;overflow:hidden}.controls{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:2rem;padding:1.5rem;background:var(--bg-secondary);border-radius:.75rem;border:1px solid var(--border-primary)}.control-group{display:flex;flex-direction:column;gap:.5rem;min-width:120px}.control-label{font-size:.9rem;font-weight:500;color:var(--text-primary)}.control-input{padding:.5rem;border:1px solid var(--border-primary);border-radius:.25rem;font-size:.9rem;background:var(--bg-primary);color:var(--text-primary);transition:border-color .3s ease}.control-input:focus{outline:none;border-color:var(--accent-green-bright);box-shadow:0 0 0 3px #4ade801a}.control-button{padding:.5rem 1rem;background:var(--accent-green);color:var(--text-primary);border:none;border-radius:.25rem;cursor:pointer;font-weight:500;transition:all .3s ease}.control-button:hover{background:var(--accent-green-bright);color:var(--bg-primary)}.control-button:disabled{background:var(--text-muted);cursor:not-allowed}.code-container{margin-top:1rem;border-radius:.5rem;overflow:hidden;border:1px solid var(--code-border)}.code-header{background:var(--bg-primary);color:var(--accent-green-bright);padding:.75rem 1rem;font-size:.9rem;font-weight:500}.code-content{background:var(--code-bg);padding:1rem;font-family:JetBrains Mono,Monaco,Menlo,Ubuntu Mono,monospace;font-size:.9rem;line-height:1.5;overflow-x:auto;color:var(--text-secondary)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-bottom:2rem}.feature-card{background:var(--bg-secondary);border-radius:.75rem;padding:1.5rem;text-align:center;box-shadow:0 4px 16px var(--shadow-green);border:1px solid var(--border-primary);transition:transform .3s ease,box-shadow .3s ease}.feature-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px var(--shadow-green);border-color:var(--border-hover)}.feature-icon{width:48px;height:48px;background:linear-gradient(135deg,var(--accent-green-bright),var(--accent-green));border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;color:var(--bg-primary)}.feature-title{font-size:1.1rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.feature-description{color:var(--text-secondary);font-size:.9rem;line-height:1.5}.browser-support{display:flex;gap:1rem;margin:1rem 0;flex-wrap:wrap}.browser-item{display:flex;align-items:center;gap:.5rem;padding:.5rem;border-radius:.25rem;font-size:.85rem}.browser-item--supported{background:#e8f5e8;color:#2e7d2e}.browser-item--partial{background:#fff3cd;color:#856404}.browser-item--unsupported{background:#f8d7da;color:#721c24}.paint-demo{background:paint(checkerboard);--checkerboard-size: 30px}.ripple-demo{background:paint(ripple);--ripple-color: var(--accent-green-bright);cursor:pointer;transition:--ripple-color .3s ease}.ripple-demo:hover{--ripple-color: var(--accent-green)}.gradient-noise-demo{background:paint(gradient-noise);animation:noise-flow 5s ease-in-out infinite}@keyframes noise-flow{0%,to{--noise-seed: 0}50%{--noise-seed: 1}}.animation-timeline{width:100%;height:4px;background:var(--text-muted);border-radius:2px;margin:1rem 0;position:relative;overflow:hidden}.timeline-progress{height:100%;background:linear-gradient(90deg,var(--accent-green-bright),var(--accent-green));border-radius:2px;transition:width .1s ease}@media (max-width: 768px){.navigation{position:static;width:100%;height:auto;border-right:none;border-bottom:1px solid var(--border-primary)}.main-content{margin-left:0;padding:1rem}.app-container{flex-direction:column}.page{padding:1.5rem}.page-title{font-size:2rem}.demo-grid{grid-template-columns:1fr}.controls{flex-direction:column}.browser-support{justify-content:center}}@media (prefers-contrast: high){.nav-link{border:1px solid transparent}.nav-link.active{border-color:#667eea}}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}