@font-face{font-family:Archivo;src:url(/fonts/Archivo-Regular.woff2)format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Archivo;src:url(/fonts/Archivo-Medium.woff2)format("woff2");font-weight:500;font-style:normal;font-display:swap}@font-face{font-family:Archivo;src:url(/fonts/Archivo-SemiBold.woff2)format("woff2");font-weight:600;font-style:normal;font-display:swap}:root{--background:#fff;--background-secondary:#edf2f7;--background-tertiary:#d7e0ea;--text:#111319;--text-secondary:#394351;--text-tertiary:#66778f;--divider:#dae1e9;--code-background:#f4f7fa;--code-border:#e8ebed;--accent:#0366d6;--success:#3ad984;--font-ui:Archivo, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, sans-serif;--font-mono:"SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;--radius:6px;--radius-card:8px;--shadow-card:0 1px 2px #0000000f, 0 4px 12px #00000014;--shell:940px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--background);color:var(--text);font-family:var(--font-ui);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;margin:0;font-size:16px;line-height:1.5}.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 24px}.topbar{border-bottom:1px solid var(--divider);background:var(--background-secondary)}.topbar-inner{justify-content:space-between;align-items:center;height:60px;display:flex}.brand{color:var(--text);align-items:center;gap:10px;text-decoration:none;display:inline-flex}.mark{color:#fff;background:linear-gradient(135deg,#fe7812 0%,#e42428 100%);border-radius:6px;flex-shrink:0;place-items:center;width:26px;height:26px;font-size:13px;font-weight:600;display:grid}.brand-name{font-size:15px;font-weight:600}.topbar-link{color:var(--text-tertiary);font-size:14px;font-weight:500;text-decoration:none}.topbar-link:hover{color:var(--accent)}main{padding-top:52px;padding-bottom:72px}.eyebrow{letter-spacing:.8px;text-transform:uppercase;color:var(--text-tertiary);margin:0 0 10px;font-size:13px;font-weight:600}h1{letter-spacing:-1px;margin:0 0 16px;font-size:40px;font-weight:600;line-height:1.15}h2{letter-spacing:-.3px;margin:0 0 16px;font-size:22px;font-weight:600}.lede{color:var(--text-secondary);max-width:62ch;margin:0 0 32px;font-size:18px}.player{border-radius:var(--radius-card);box-shadow:var(--shadow-card);border:1px solid var(--divider);background:#000;margin:0 0 16px;line-height:0;overflow:hidden}video{aspect-ratio:16/9;width:100%;height:auto;display:block}.toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:56px;font-size:14px;display:flex}.switch{color:var(--text-secondary);cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:9px;display:inline-flex}.switch input{accent-color:var(--accent);cursor:pointer;width:16px;height:16px}.download{color:var(--accent);font-weight:500;text-decoration:none}.download:hover{text-decoration:underline}.cols{grid-template-columns:1fr 1fr;gap:48px;margin-bottom:56px;display:grid}.chapters,.steps{counter-reset:n;margin:0;padding:0;list-style:none}.chapters li{margin-bottom:2px}.chapters button{border-radius:var(--radius);width:100%;font:inherit;color:var(--text);text-align:left;cursor:pointer;background:0 0;border:0;align-items:baseline;gap:14px;padding:10px 12px;font-size:15px;display:flex}.chapters button:hover{background:var(--background-secondary)}.chapters button[aria-current=true]{background:var(--background-secondary);font-weight:600}.chapters button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.chapters .t{font-family:var(--font-mono);color:var(--text-tertiary);font-variant-numeric:tabular-nums;flex-shrink:0;font-size:13px}.steps li{counter-increment:n;color:var(--text-secondary);margin-bottom:11px;padding-left:34px;font-size:15.5px;position:relative}.steps li:before{content:counter(n);background:var(--background-secondary);width:22px;height:22px;color:var(--text-tertiary);border-radius:50%;place-items:center;font-size:12.5px;font-weight:600;display:grid;position:absolute;top:1px;left:0}code{font-family:var(--font-mono);background:var(--code-background);border:1px solid var(--code-border);border-radius:4px;padding:1px 5px;font-size:.87em}.card{border:1px solid var(--divider);border-left:3px solid var(--accent);border-radius:var(--radius-card);background:var(--background);margin-top:28px;padding:18px 20px;text-decoration:none;transition:background .12s;display:block}.card:hover{background:var(--code-background)}.card-title{color:var(--accent);margin-bottom:4px;font-size:15.5px;font-weight:600;display:block}.card-sub{color:var(--text-tertiary);font-size:14.5px;display:block}.transcript{flex-direction:column;gap:26px;display:flex}.tr-scene h3{color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.6px;margin:0 0 8px;font-size:14px;font-weight:600}.tr-scene p{color:var(--text-secondary);max-width:70ch;margin:0;font-size:16.5px}.tr-scene mark{color:var(--text);background:0 0;font-weight:500}.footer{border-top:1px solid var(--divider);color:var(--text-tertiary);flex-wrap:wrap;justify-content:space-between;gap:16px;padding-top:24px;padding-bottom:40px;font-size:14px;display:flex}.footer a{color:var(--text-tertiary)}@media (max-width:760px){h1{font-size:30px}.lede{font-size:16.5px}main{padding-top:34px}.cols{grid-template-columns:1fr;gap:40px}.brand-name{display:none}}@media (prefers-reduced-motion:reduce){*{transition:none!important}}