:root{--bg:#07080c;--bg-raised:#0c0e14;--bg-elevated:#11141c;--bg-inset:#05060a;--border:rgba(255,255,255,0.08);--border-strong:rgba(255,255,255,0.14);--text:#f5f6f8;--text-muted:#9ba1af;--text-dim:#6b7280;--brand:#4b7bec;--brand-bright:#6d95ff;--brand-dim:#2f5bbd;--brand-glow:rgba(75,123,236,0.35);--brand-wash:rgba(75,123,236,0.08);--accent:#37d9a8;--accent-dim:rgba(55,217,168,0.12);--warn:#f5a524;--danger:#f04438;--step--1:clamp(0.82rem,0.79rem + 0.15vw,0.9rem);--step-0:clamp(0.95rem,0.91rem + 0.2vw,1.05rem);--step-1:clamp(1.12rem,1.05rem + 0.35vw,1.35rem);--step-2:clamp(1.4rem,1.25rem + 0.7vw,1.85rem);--step-3:clamp(1.75rem,1.45rem + 1.5vw,2.6rem);--step-4:clamp(2.15rem,1.6rem + 2.7vw,3.6rem);--step-5:clamp(2.6rem,1.7rem + 4.4vw,5rem);--font-sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;--font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation 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var(--brand-bright);outline-offset:3px;border-radius:4px}::selection{background:var(--brand);color:#fff}.container{max-width:var(--container)}.container,.container-narrow{width:100%;margin-inline:auto;padding-inline:var(--space-5)}.container-narrow{max-width:var(--container-narrow)}.section{padding-block:clamp(var(--space-8),9vw,var(--space-10))}.section-tight{padding-block:clamp(var(--space-7),6vw,var(--space-9))}.skip-link{position:absolute;top:-100px;left:var(--space-4);z-index:200;padding:var(--space-3) var(--space-5);background:var(--brand);color:#fff;border-radius:var(--radius-sm);font-weight:600;transition:top .2s var(--ease)}.skip-link:focus{top:var(--space-4)}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.eyebrow{display:inline-flex;align-items:center;gap:var(--space-2);font-size:var(--step--1);font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--brand-bright);margin-bottom:var(--space-4)}.eyebrow:before{content:"";width:22px;height:1px;background:currentColor;opacity:.6}.lede{font-size:var(--step-1);line-height:1.6;max-width:60ch}.lede,.muted{color:var(--text-muted)}.gradient-text{background:linear-gradient(100deg,var(--text) 10%,var(--brand-bright) 50%,var(--accent) 95%);-webkit-background-clip:text;background-clip:text;color:transparent}.btn{--btn-bg:var(--brand);--btn-fg:#fff;display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:.85em 1.6em;background:var(--btn-bg);color:var(--btn-fg);border:1px solid transparent;border-radius:var(--radius-pill);font-size:var(--step-0);font-weight:600;letter-spacing:-.01em;cursor:pointer;white-space:nowrap;transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease)}.btn:hover{transform:translateY(-1px);box-shadow:0 10px 32px var(--brand-glow)}.btn:active{transform:translateY(0)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.btn-secondary{--btn-bg:transparent;--btn-fg:var(--text);border-color:var(--border-strong);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.btn-secondary:hover{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.24);box-shadow:none}.btn-lg{padding:1em 2em;font-size:var(--step-1)}.card{position:relative;padding:var(--space-6);background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius-lg);transition:border-color .25s var(--ease),transform .25s var(--ease),background .25s var(--ease)}.card:hover{border-color:var(--border-strong);background:var(--bg-elevated);transform:translateY(-3px)}.grid{display:grid;grid-gap:var(--space-5);gap:var(--space-5)}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.grid-4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.badge{display:inline-flex;align-items:center;gap:var(--space-2);padding:.4em .9em;background:var(--brand-wash);border:1px solid rgba(109,149,255,.24);border-radius:var(--radius-pill);font-size:var(--step--1);font-weight:500;color:var(--brand-bright)}.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px var(--accent-dim);animation:pulse 2.4s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.35}}.prose{max-width:72ch;color:var(--text-muted);line-height:1.78}.prose h2{font-size:var(--step-2);color:var(--text);margin-top:var(--space-8);margin-bottom:var(--space-4);scroll-margin-top:100px}.prose h3{font-size:var(--step-1);color:var(--text);margin-top:var(--space-6);margin-bottom:var(--space-3)}.prose ol,.prose p,.prose ul{margin-bottom:var(--space-4)}.prose ol,.prose ul{padding-left:var(--space-5)}.prose li{margin-bottom:var(--space-2)}.prose strong{color:var(--text);font-weight:600}.prose a{color:var(--brand-bright);text-decoration:underline;text-underline-offset:3px}.prose code{font-family:var(--font-mono);font-size:.9em;padding:.15em .45em;background:var(--bg-elevated);border:1px solid var(--border);border-radius:5px;color:var(--text)}.prose table{width:100%;border-collapse:collapse;margin-bottom:var(--space-5);font-size:var(--step--1)}.prose td,.prose th{padding:var(--space-3);border:1px solid var(--border);text-align:left;vertical-align:top}.prose th{background:var(--bg-elevated);color:var(--text);font-weight:600}.callout{padding:var(--space-5);background:var(--brand-wash);border:1px solid rgba(109,149,255,.22);border-left:3px solid var(--brand);border-radius:var(--radius);color:var(--text-muted)}.callout strong{color:var(--text)}.js-reveal [data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}.js-reveal [data-reveal].is-visible{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){.js-reveal [data-reveal]{opacity:1;transform:none}}