:root{--font-family: "Outfit", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--c-bg-page: #0f172a;--c-bg-sidebar: #020617;--c-bg-card: #1e293b;--c-bg-card-hover: #334155;--c-text-main: #f1f5f9;--c-text-muted: #94a3b8;--c-primary: #8b5cf6;--c-accent: #06b6d4;--c-border: #334155;--header-height: 64px;--sidebar-width: 280px}*{box-sizing:border-box}body{margin:0;font-family:var(--font-family);color:var(--c-text-main);background-color:var(--c-bg-page);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}h1,h2,h3,h4,h5,h6{color:var(--c-text-main);margin-top:0;letter-spacing:-.025em}p{line-height:1.7;color:var(--c-text-muted)}.layout{display:flex;flex-direction:column;min-height:100vh}.site-header{height:var(--header-height);border-bottom:1px solid var(--c-border);display:flex;align-items:center;padding:0 2rem;position:sticky;top:0;background:#0f172acc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100}.logo{font-weight:700;font-size:1.25rem;color:var(--c-text-main);display:flex;align-items:center;gap:.75rem;font-family:var(--font-mono)}.logo span.brand{background:linear-gradient(135deg,var(--c-primary),var(--c-accent));-webkit-background-clip:transition;-webkit-text-fill-color:transparent;background-clip:text;text-fill-color:transparent}.content-wrapper{display:flex;flex:1;max-width:1440px;margin:0 auto;width:100%}.sidebar{width:var(--sidebar-width);border-right:1px solid var(--c-border);padding:2rem 1.5rem;background-color:var(--c-bg-sidebar);height:calc(100vh - var(--header-height));position:sticky;top:var(--header-height);overflow-y:auto;display:flex;flex-direction:column;gap:2rem}.nav-group h3{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--c-text-muted);margin-bottom:1rem;font-weight:600}.nav-link{display:block;padding:.6rem .75rem;margin:0 -.75rem;border-radius:6px;color:var(--c-text-muted);font-size:.95rem;transition:all .2s}.nav-link:hover{color:var(--c-text-main);background:#ffffff0d}.nav-link.active{color:var(--c-accent);background:#06b6d41a;font-weight:500}.main-content{flex:1;padding:4rem 5rem;max-width:100%}.hero-title{font-size:3rem;font-weight:800;margin-bottom:1.5rem;background:linear-gradient(to right,#fff,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1.25rem;color:var(--c-text-muted);margin-bottom:4rem;max-width:600px}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.card{border:1px solid var(--c-border);border-radius:12px;padding:2rem;background:var(--c-bg-card);transition:transform .2s,border-color .2s}.card:hover{transform:translateY(-4px);border-color:var(--c-primary)}.card h3{font-size:1.2rem;margin-bottom:1rem;display:flex;align-items:center;gap:.75rem;color:var(--c-text-main)}.card p{font-size:.95rem;margin:0;color:var(--c-text-muted)}.btn-primary{background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;border:none;padding:.75rem 2rem;border-radius:8px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:.5rem;transition:opacity .2s}.btn-primary:hover{opacity:.9}@media (max-width: 768px){.sidebar{display:none}.main-content{padding:2rem}.hero-title{font-size:2rem}}