:root{--font-poppins: "Poppins", system-ui, sans-serif;--font-roboto: "Roboto", system-ui, sans-serif;--font-slab: "Roboto Slab", Georgia, serif;--c-blue: #1066D8;--c-pink: #E83E7C;--c-cyan: #1CB9E8;--c-yellow: #FFC91C;--c-teal: #1F8E88;--c-orange: #ED7C2A;--c-slate: #475567;--c-slate-deep: #2A2F36;--c-cream: #E5E9EC;--c-cream-soft: #F2F4F6;--c-ink: #2A2F36;--c-body: #475569;--c-body-light: #64748B;--c-border: #D6DBE0;--c-border-soft: #E8ECEF}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-roboto);color:var(--c-ink);background:#fff;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{font-family:var(--font-poppins);color:var(--c-slate-deep);line-height:1.15}a{color:inherit}.topbar{position:fixed;top:0;left:0;right:0;z-index:100;background:#000;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 28px;height:64px;border-bottom:1px solid rgba(255,255,255,.06)}.topbar-left{display:flex;align-items:center;gap:16px}.topbar-left .logo{height:32px;width:auto;display:block}.topbar-divider{width:1px;height:22px;background:#ffffff2e}.topbar-client{font-family:var(--font-poppins);font-size:13px;font-weight:600;color:#ffffffd9;letter-spacing:.4px;text-transform:uppercase}.topbar-right{display:flex;align-items:center;gap:14px}.topbar-status{font-size:11px;font-weight:700;color:#fff9;letter-spacing:1.5px;text-transform:uppercase}.btn-cta{font-family:var(--font-poppins);font-size:13px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--c-cyan) 0%,var(--c-blue) 100%);border:none;padding:10px 22px;border-radius:999px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:8px;letter-spacing:.4px}.sidebar{position:fixed;top:64px;left:0;bottom:0;width:280px;background:#fff;border-right:1px solid var(--c-border-soft);overflow-y:auto;padding:36px 0;z-index:50}.sidebar-links{display:flex;flex-direction:column}.sidebar-link{display:flex;align-items:baseline;gap:16px;padding:11px 28px;font-family:var(--font-poppins);font-size:13px;font-weight:500;color:var(--c-body-light);text-decoration:none;border-left:3px solid transparent;transition:all .15s}.sidebar-link:hover{color:var(--c-slate-deep);background:var(--c-cream-soft)}.sidebar-link.active{color:var(--c-slate-deep);font-weight:700;background:var(--c-cream-soft);border-left-color:var(--c-teal)}.sidebar-num{font-family:Roboto Mono,ui-monospace,monospace;font-size:11px;font-weight:600;color:var(--c-body-light);letter-spacing:1px;min-width:22px}.sidebar-link.active .sidebar-num{color:var(--c-teal)}.hamburger{display:none;position:fixed;top:80px;left:16px;z-index:49;background:#fff;border:1px solid var(--c-border);width:40px;height:40px;border-radius:8px;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 14px #00000014}.hamburger span{display:block;width:18px;height:2px;background:var(--c-slate-deep);position:relative}.hamburger span:before,.hamburger span:after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-slate-deep)}.hamburger span:before{top:-6px}.hamburger span:after{top:6px}main{margin-left:280px;padding-top:64px}.container{max-width:880px;margin:0 auto;padding:0 48px}.container-wide{max-width:1080px;margin:0 auto;padding:0 48px}.kicker{font-family:var(--font-slab);font-style:italic;font-weight:400;font-size:18px;color:var(--c-teal);letter-spacing:.3px;margin-bottom:28px}.chapter-head{font-family:var(--font-poppins);font-size:11px;font-weight:700;letter-spacing:2.6px;text-transform:uppercase;color:var(--c-teal);margin-bottom:18px}section.dark .chapter-head,section.slate .chapter-head,section.black .chapter-head{color:var(--c-cyan)}h2.section-h{font-family:var(--font-poppins);font-weight:800;font-size:clamp(34px,3.6vw,56px);letter-spacing:-.015em;line-height:1.08;margin-bottom:24px}h3.sub-h{font-family:var(--font-poppins);font-weight:700;font-size:clamp(22px,1.8vw,28px);letter-spacing:-.01em;margin-bottom:14px;margin-top:32px}h4.h-sm{font-family:var(--font-poppins);font-weight:700;font-size:18px;line-height:1.3;margin-bottom:12px}p{font-size:17px;line-height:1.7}p+p{margin-top:18px}.lead{font-size:22px;line-height:1.5;font-weight:300;color:var(--c-ink)}section{padding:110px 0;position:relative;scroll-margin-top:64px}section.dark{background:var(--c-slate-deep);color:#ffffffd9}section.dark h1,section.dark h2,section.dark h3,section.dark h4{color:#fff}section.slate{background:var(--c-slate);color:#ffffffd9}section.slate h1,section.slate h2,section.slate h3,section.slate h4{color:#fff}section.cream{background:var(--c-cream)}section.cream-soft{background:var(--c-cream-soft)}section.black{background:#000;color:#ffffffd9}section.black h1,section.black h2,section.black h3,section.black h4{color:#fff}.pip-sep{display:flex;align-items:center;max-width:540px;margin:36px auto}.pip-sep:before,.pip-sep:after{content:"";flex:1;height:1px;background:var(--c-border)}.pip-sep .pip{width:8px;height:8px;border-radius:50%;background:var(--c-teal);margin:0 14px}.footer-meta{background:#000;color:#888;padding:24px 32px;font-size:12px;display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;border-top:1px solid rgba(255,255,255,.08)}.footer-meta a{color:#aaa;text-decoration:none}.footer-meta .links{display:flex;gap:22px}@media(max-width:900px){.sidebar{transform:translate(-100%);transition:transform .25s ease}.sidebar.open{transform:translate(0);box-shadow:4px 0 30px #00000026}.hamburger{display:flex}main{margin-left:0}.container,.container-wide{padding:0 24px}section{padding:70px 0}}