*{margin:0;padding:0;box-sizing:border-box}: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)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,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%);min-height:100vh;color:var(--text-primary);-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)}.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;display:flex;flex-direction:column}.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 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var(--code-border);display:flex;justify-content:space-between;align-items:center}.code-title{color:var(--text-primary);font-size:.9rem;font-weight:500}.copy-button{background:transparent;border:1px solid var(--border-primary);color:var(--text-secondary);padding:.25rem .75rem;font-size:.8rem;cursor:pointer;transition:all .3s ease;border-radius:4px}.copy-button:hover{background:var(--accent-green);color:var(--text-primary);border-color:var(--accent-green)}.code-content{padding:1.5rem;overflow-x:auto}pre{margin:0;color:var(--text-primary)}.demo-container{background:var(--bg-secondary);border:1px solid var(--border-primary);padding:2rem;margin:2rem 0;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:8px}.demo-controls{display:flex;gap:1rem;margin-bottom:1.5rem;flex-wrap:wrap}.demo-button{background:transparent;border:1px solid var(--border-primary);color:var(--text-secondary);padding:.5rem 1rem;cursor:pointer;transition:all .3s ease;border-radius:4px}.demo-button:hover{background:#1a5d3a33;color:var(--text-primary);border-color:var(--border-hover)}.demo-button.active{background:var(--accent-green);color:var(--text-primary);border-color:var(--accent-green)}.demo-output{background:var(--code-bg);border:1px solid var(--code-border);padding:1rem;min-height:200px;font-family:JetBrains Mono,monospace;font-size:.9rem;overflow-y:auto;max-height:400px;border-radius:4px}.visualization-container{background:var(--bg-secondary);border:1px solid var(--border-primary);padding:2rem;margin:2rem 0;min-height:400px;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:8px;position:relative}.viz-container{width:100%;height:100%;min-height:300px;display:flex;align-items:center;justify-content:center}.viz-container svg{max-width:100%;height:auto}.axis{font-size:12px;fill:var(--text-secondary)}.axis path,.axis line{fill:none;stroke:var(--border-primary);shape-rendering:crispEdges}.grid line{stroke:var(--border-primary);stroke-dasharray:2,2}.grid path{stroke-width:0}.tooltip{position:absolute;text-align:center;padding:8px;font-size:12px;background:var(--code-bg);border:1px solid var(--border-primary);border-radius:4px;pointer-events:none;color:var(--text-primary);z-index:1000}.concept-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin:2rem 0}.concept-card{background:var(--bg-secondary);border:1px solid var(--border-primary);padding:1.5rem;transition:all .3s ease;position:relative;overflow:hidden;border-radius:8px}.concept-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--accent-green-bright),transparent);transform:translate(-100%);transition:transform .6s ease}.concept-card:hover:before{transform:translate(100%)}.concept-card:hover{transform:translateY(-2px);border-color:var(--border-hover);box-shadow:0 10px 40px #00422533}.concept-card 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