:root{--paper:#F5F8FF;--blue:#2446AA;--ink:#152B46;--sky:#DCE9FB;--coral:#B94937;--muted:#60718A}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--blue);text-underline-offset:5px}a:hover{color:var(--coral)}header,main,footer{max-width:1120px;margin:auto;padding:24px 32px}header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #bdcce3}header a{text-decoration:none}.brand{font-size:22px;font-weight:750;letter-spacing:-.8px}.brand span{color:var(--coral)}nav{display:flex;gap:25px;font-size:14px}h1,h2{font-family:Georgia,serif;font-weight:400;line-height:1.08;letter-spacing:-1.8px}h1{font-size:clamp(42px,5.8vw,74px);margin:22px 0}h2{font-size:35px;margin:8px 0 20px}h3{font-size:21px;margin:0 0 10px}.eyebrow, .route-label{font:12px/1.4 "Courier New",monospace;letter-spacing:1.3px;text-transform:uppercase;color:var(--blue)}.hero{display:grid;grid-template-columns:1.08fr 1fr;gap:55px;align-items:center;padding:40px 0 35px}.hero p{max-width:540px;color:var(--muted);font-size:19px}.primary{display:inline-block;background:var(--blue);color:white;padding:12px 20px;text-decoration:none;margin-top:8px;font-weight:600;border-radius:4px}.primary:hover{color:white;background:var(--ink)}.journey{border:1px solid #bdcce3;padding:28px;background:var(--sky);border-radius:12px}.route{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:27px 0}.node{border:1px solid var(--blue);border-radius:50%;width:96px;height:96px;background:var(--paper);color:var(--blue);font:600 14px/1.4 inherit;cursor:pointer}.node[aria-pressed=true]{background:var(--blue);color:white;box-shadow:0 0 0 7px #c2d3f3}.arrow{font-size:27px;color:var(--coral)}.journey p{font-size:15px;margin:0;min-height:100px;color:var(--ink)}.chapters{border-top:1px solid #bdcce3;padding-top:25px}.chapter{display:grid;grid-template-columns:120px 1fr 40px;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid #bdcce3;text-decoration:none;color:var(--ink)}.chapter p{margin:4px 0;color:var(--muted);font-size:15px}.chapter strong{font-size:22px}.chapter .arrow{justify-self:end}.article{max-width:850px;margin:30px 0 50px}.article h1{font-size:55px}.article p{max-width:750px}.breadcrumbs{font-size:13px;color:var(--muted);margin:12px 0 25px}.facts{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin:32px 0}.facts section{border-top:3px solid var(--blue);padding-top:18px}.facts p{font-size:16px}.checklist{padding:20px 0;border-top:1px solid #bdcce3}.checklist label{display:block;margin:10px 0;cursor:pointer}.checklist input{accent-color:var(--blue);width:18px;height:18px;margin-right:10px}#check-status{font:13px "Courier New",monospace;color:var(--blue)}footer{font-size:12px;color:var(--muted);border-top:1px solid #bdcce3;padding-top:18px;padding-bottom:28px}.deployment{font:12px/1.5 "Courier New",monospace;overflow-wrap:anywhere;margin-top:10px}.deployment a{color:var(--ink)}:focus-visible{outline:3px solid var(--coral);outline-offset:6px}@media(max-width:760px){header,main,footer{padding:20px}header{align-items:flex-start;gap:20px}nav{gap:15px}.hero{grid-template-columns:1fr;gap:24px;padding-top:25px}.hero h1{font-size:51px}.node{width:76px;height:76px}.chapter{grid-template-columns:68px 1fr 20px;gap:12px}.facts{grid-template-columns:1fr}.article h1{font-size:42px}.journey p{min-height:75px}}@media(prefers-reduced-motion:no-preference){a,button{transition:background .15s,color .15s}}