:root{--night:#061a26;--deep:#0b3040;--paper:#f4f1e8;--white:#fffdf7;--teal:#20bda5;--amber:#ffb547;--ink:#10242c;--muted:#566871;--line:#b8c7c5;--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;--display:Impact,Haettenschweiler,"Arial Narrow Bold",sans-serif;--body:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:18px;line-height:1.7}.skip{position:absolute;left:-999px;top:0;background:var(--amber);color:var(--night);padding:.7rem 1rem;z-index:20}.skip:focus{left:1rem;top:1rem}.site-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:1rem clamp(1rem,4vw,4rem);background:rgba(6,26,38,.96);border-bottom:1px solid #315260}.brand{display:flex;align-items:center;gap:.65rem;color:var(--white);font:800 1.15rem/1 var(--mono);text-decoration:none;letter-spacing:.04em}.brand-mark{display:grid;place-items:center;width:2rem;height:2rem;border:1px solid var(--teal);color:var(--teal);border-radius:50%}nav{display:flex;gap:clamp(.7rem,2vw,2rem)}nav a{color:#c9dcdf;text-decoration:none;font:700 .78rem/1.2 var(--mono);text-transform:uppercase;letter-spacing:.06em;padding:.45rem 0;border-bottom:2px solid transparent}nav a:hover,nav a:focus,nav a[aria-current=page]{color:var(--white);border-color:var(--amber)}.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);min-height:74vh;background:var(--night);color:var(--white);overflow:hidden}.hero-copy{padding:clamp(4rem,9vw,8rem) clamp(1.25rem,7vw,7rem);align-self:center}.eyebrow,.label{font:700 .72rem/1.3 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40px),repeating-linear-gradient(90deg,transparent 0 39px,rgba(255,255,255,.035) 40px)}.route-figure svg{width:100%;height:auto}.route-line{fill:none;stroke:var(--teal);stroke-width:3;stroke-dasharray:7 8}.route-figure circle{fill:var(--night);stroke:var(--amber);stroke-width:3}.route-figure text{fill:var(--white);font:700 14px var(--mono);text-anchor:middle}.plane{fill:var(--amber)}figcaption{font:.72rem var(--mono);color:#aac0c4;text-align:center}.quick{display:grid;grid-template-columns:.35fr 1fr;gap:2rem;padding:clamp(3rem,6vw,6rem) clamp(1.25rem,8vw,9rem);background:var(--teal);color:var(--night)}.quick .label{color:var(--night)}.quick ul{margin:0;padding:0;list-style:none;counter-reset:q}.quick li{counter-increment:q;position:relative;padding:0 0 1.1rem 3.5rem;margin-bottom:1rem;border-bottom:1px solid rgba(6,26,38,.3);font-weight:700}.quick li:before{content:"0" counter(q);position:absolute;left:0;font:700 .85rem var(--mono)}.content-shell{max-width:1180px;margin:auto;padding:clamp(3rem,7vw,8rem) 1.25rem}.content-section{display:grid;grid-template-columns:120px minmax(0,760px);gap:clamp(1.5rem,5vw,5rem);padding:4rem 0;border-top:1px solid var(--line)}.section-index{font:900 clamp(2.8rem,5vw,5.5rem)/1 var(--display);color:transparent;-webkit-text-stroke:1px var(--teal)}.content-section p{max-width:70ch}.steps,.checks{padding-left:1.35rem}.steps li,.checks li{margin:.8rem 0;padding-left:.5rem}.steps li::marker{color:var(--teal);font:700 .9rem var(--mono)}.data-plate{padding:clamp(3rem,7vw,7rem) clamp(1.25rem,8vw,9rem);background:var(--deep);color:var(--white)}.data-plate .label{color:var(--amber)}.table-wrap{overflow-x:auto;border:1px solid #56717a}.data-plate table{width:100%;border-collapse:collapse;min-width:720px}.data-plate caption{text-align:left;padding:1rem 0 1.4rem;font-size:1.15rem;color:#c9dcdf}.data-plate th,.data-plate td{text-align:left;vertical-align:top;padding:1rem;border-bottom:1px solid #45606a}.data-plate th{font:.72rem var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--teal)}.data-plate tr:hover td{background:#0f3b4b}.faq,.sources{max-width:980px;margin:auto;padding:clamp(4rem,8vw,8rem) 1.25rem}.faq details{border-top:1px solid var(--line);padding:1.3rem 0}.faq details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:800;font-size:1.08rem}summary::marker{color:var(--teal)}.sources{padding-top:0}.sources h2{font-size:clamp(2rem,3.5vw,3.4rem)}.sources a{color:#087c70;text-decoration-thickness:2px;text-underline-offset:3px}.sources a:hover,.sources a:focus{color:#054f47}footer{display:grid;grid-template-columns:.5fr 1fr auto;gap:2rem;padding:3rem clamp(1.25rem,5vw,5rem);background:var(--night);color:#c8d9dc;font-size:.88rem}footer strong{color:var(--white);font:800 1.2rem var(--mono)}footer p{margin:.35rem 0}.about{max-width:70ch}@media(max-width:850px){body{font-size:17px}.site-header{align-items:flex-start;gap:1rem}.site-header nav{flex-wrap:wrap;justify-content:flex-end}.hero{grid-template-columns:1fr}.route-figure{min-height:340px}.quick{grid-template-columns:1fr}.content-section{grid-template-columns:70px minmax(0,1fr);gap:1rem}footer{grid-template-columns:1fr}}@media(max-width:520px){.site-header{position:static;display:block}.site-header nav{display:grid;grid-template-columns:1fr;margin-top:1rem}.site-header nav a{padding:.7rem 0}.hero-copy{padding:4rem 1.1rem}.route-figure{padding:.75rem;min-height:260px}.route-figure text{font-size:11px}.quick,.data-plate{padding-left:1.1rem;padding-right:1.1rem}.content-section{grid-template-columns:1fr;padding:3rem 0}.section-index{font-size:2.4rem}h2{line-height:1.02}footer{padding:2.5rem 1.1rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.worked-check{display:grid;grid-template-columns:minmax(240px,.45fr) minmax(0,1fr);gap:clamp(2rem,6vw,6rem);padding:clamp(3rem,7vw,7rem) clamp(1.25rem,8vw,9rem);background:var(--white);border-bottom:1px solid var(--line)}.worked-check h2{font-size:clamp(2rem,4vw,3.8rem)}.audit-grid{border-top:1px solid var(--ink)}.audit-row{display:grid;grid-template-columns:.75fr 1fr 1fr;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--line)}.audit-row strong{font-family:var(--mono);font-size:.83rem}.audit-row span{font-size:.94rem}.timeline-shell{position:relative}.timeline-shell:before{content:"";position:absolute;left:72px;top:6rem;bottom:6rem;width:2px;background:var(--teal)}.timeline-step .section-index{position:relative;z-index:1;background:var(--paper);width:max-content;padding:.25rem}.timeline-step:nth-child(even)>div:last-child{margin-left:clamp(1rem,8vw,8rem)}@media(max-width:850px){.worked-check{grid-template-columns:1fr}.audit-row{grid-template-columns:1fr}.timeline-shell:before{display:none}.timeline-step:nth-child(even)>div:last-child{margin-left:0}}