/* USLLC For Non-Residents — "The Formation Atlas, as a working instrument"
   Survey-sheet system: chart navy-teal, flat survey paper, Fraunces/Archivo/Plex Mono. */
@font-face{font-family:'Fraunces';src:url('fonts/fraunces.woff2') format('woff2');font-weight:400 800;font-display:swap}
@font-face{font-family:'Archivo';src:url('fonts/archivo.woff2') format('woff2');font-weight:100 900;font-display:swap}
@font-face{font-family:'IBM Plex Mono';src:url('fonts/ibm-plex-mono.woff2') format('woff2');font-weight:400 600;font-display:swap}
:root{
 --chart:#0C2B2E; --survey:#F4F1E8; --card:#FFFFFF; --ink:#14201F; --ink-2:#4A5A57;
 --signal:#C7511F; --signal-dark:#A63F16; --brass:#8C6D1F; --line:#D5CDB8;
 --fee-1:#DCE8DE; --fee-2:#A9C6B0; --fee-3:#6FA287; --fee-4:#3E7D63; --fee-5:#17573F;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--survey);color:var(--ink);font-family:'Archivo',system-ui,sans-serif;font-size:17px;line-height:1.6}
.skip{position:absolute;left:-999px;top:0;background:var(--chart);color:#fff;padding:.6rem 1rem;z-index:50}
.skip:focus{left:0}
a{color:var(--chart);text-underline-offset:2px}
a:hover{color:var(--signal-dark)}
:focus-visible{outline:3px solid var(--signal);outline-offset:3px}
h1{font-family:'Fraunces',Georgia,serif;font-weight:560;font-size:64px;line-height:1.02;letter-spacing:-.015em;margin:.4rem 0 1rem}
h2{font-family:'Fraunces',Georgia,serif;font-weight:480;font-size:36px;line-height:1.1;margin:2.2rem 0 .8rem}
h3{font-family:'Archivo',system-ui,sans-serif;font-weight:650;font-size:13px;letter-spacing:.14em;text-transform:uppercase;margin:1.6rem 0 .5rem}
p{max-width:68ch}
.lede{font-size:19px;max-width:62ch}
.small{font-size:14px;color:var(--ink-2)}
.mono,code{font-family:'IBM Plex Mono',ui-monospace,monospace}
.num{font-family:'IBM Plex Mono',ui-monospace,monospace;text-align:right;white-space:nowrap}
.big-fig{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:22px;font-weight:550}
.band{background:var(--chart);color:#fff}
.band-in{max-width:1320px;margin:0 auto;padding:0 20px;min-height:64px;display:flex;align-items:center;gap:2rem;flex-wrap:wrap}
.brand{color:#fff;text-decoration:none;font-family:'Fraunces',Georgia,serif;font-size:24px;font-weight:560;line-height:1.05;padding:.5rem 0}
.brand span{font-weight:480}
.brand small{display:block;font-family:'Archivo',system-ui,sans-serif;font-size:10.5px;letter-spacing:.16em;color:#CDBF9A;font-weight:650}
.band nav{margin-left:auto}
.band nav ul{display:flex;gap:1.2rem;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.band nav a{color:#EDEAE0;text-decoration:none;font-size:14.5px;font-weight:500}
.band nav a:hover,.band nav a[aria-current="page"]{color:#fff;text-decoration:underline;text-underline-offset:4px}
.coord{max-width:1320px;margin:0 auto;padding:.45rem 20px;font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:12.5px;letter-spacing:.04em;color:var(--brass);border-bottom:1px solid var(--line);white-space:nowrap;overflow-x:auto}
.layout{max-width:1320px;margin:0 auto;padding:1.2rem 20px 3rem;display:grid;grid-template-columns:1fr;gap:2rem}
body.has-rail .layout{grid-template-columns:240px minmax(0,1fr)}
main{min-width:0}
.rail{font-size:14.5px}
.rail-box{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:1rem}
.rail-h{font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:650;margin:.2rem 0 .6rem;font-family:'Archivo',sans-serif}
.mini-chart{width:100%;height:auto;display:block}
.mini-chart .st{stroke:#F4F1E8;stroke-width:1.2}
.rail-index{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 14px;margin-bottom:1rem}
.rail-index summary{font-weight:650;font-size:12px;letter-spacing:.14em;text-transform:uppercase;cursor:pointer}
.rail-index ol{list-style:none;margin:.6rem 0;padding:0;max-height:420px;overflow:auto}
.rail-index li{display:flex;justify-content:space-between;gap:.5rem;padding:.14rem 0;border-bottom:1px dotted var(--line)}
.rail-index a{text-decoration:none}
.rail-index a[aria-current="page"]{font-weight:700;color:var(--signal-dark)}
.rail-index .mono{font-size:12.5px;color:var(--ink-2)}
.st.fee-1{fill:var(--fee-1)}.st.fee-2{fill:var(--fee-2)}.st.fee-3{fill:var(--fee-3)}.st.fee-4{fill:var(--fee-4)}.st.fee-5{fill:var(--fee-5)}
.st.hatch{fill:url(#wyde-hatch)}
.mini-chart .st.hatch{fill:url(#wyde-hatch-m)}
.btn{display:inline-block;background:var(--signal);color:#fff;font-family:'Archivo',sans-serif;font-weight:650;font-size:16px;padding:14px 22px;border-radius:10px;border:none;text-decoration:none;cursor:pointer}
.btn:hover{background:var(--signal-dark);color:#fff}
.btn.secondary{background:transparent;color:var(--chart);border:1.5px solid var(--chart)}
.btn.secondary:hover{background:var(--chart);color:#fff}
.tick{border-top:1px solid var(--line);margin:2.6rem 0 0;text-align:center;line-height:0}
.tick span{color:var(--brass);font-size:8px;background:var(--survey);padding:0 .6rem;position:relative;top:-4px}
.hero{display:grid;grid-template-columns:7fr 5fr;gap:2.5rem;align-items:start}
.chart-h{font-size:15px;font-family:'Archivo',sans-serif;font-weight:650;letter-spacing:.1em;text-transform:uppercase;margin-top:.6rem}
.chart-wrap{position:relative}
.chart{width:100%;height:auto;display:block;background:var(--chart);border-radius:12px;padding:10px}
.chart .st{stroke:#0C2B2E;stroke-width:1.1;cursor:pointer}
.chart a:hover .st,.chart a:focus .st{stroke:var(--signal);stroke-width:2.6}
.chart-pop{position:absolute;z-index:5;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 24px rgba(12,43,46,.18);padding:12px 14px;max-width:270px;font-size:14.5px}
.chart-pop strong{font-family:'Fraunces',serif;font-size:19px;display:block}
.chart-pop .mono{font-size:13px}
.legend{display:flex;gap:1rem;flex-wrap:wrap;list-style:none;padding:0;margin:.7rem 0;font-size:13.5px;color:var(--ink-2)}
.legend .sw{display:inline-block;width:14px;height:14px;border-radius:3px;margin-right:.35rem;vertical-align:-2px;border:1px solid var(--line)}
.sw.fee-1{background:var(--fee-1)}.sw.fee-2{background:var(--fee-2)}.sw.fee-3{background:var(--fee-3)}.sw.fee-4{background:var(--fee-4)}.sw.fee-5{background:var(--fee-5)}
.hatch-sw{background:repeating-linear-gradient(45deg,#E9E4D4 0 3px,#D5CDB8 3px 5px)}
.decision-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.dpanel{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px}
.dpanel h3{margin-top:0}
.dpanel .big-fig{color:var(--chart)}
.ledger-controls{display:flex;gap:1.2rem;flex-wrap:wrap;align-items:end;margin-bottom:.8rem;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.ledger-controls label{font-size:13px;font-weight:650;letter-spacing:.08em;text-transform:uppercase;display:flex;flex-direction:column;gap:.3rem}
.ledger-controls input[type="search"],.ledger-controls select{font:inherit;font-size:15px;padding:.5rem .6rem;border:1px solid var(--line);border-radius:10px;background:#fff;text-transform:none;letter-spacing:0;width:auto;max-width:none;margin:0}
.ledger-toggle-label{flex-direction:row !important;align-items:center;text-transform:none !important;letter-spacing:0 !important;font-size:15px !important}
.ledger-open{display:none}
.ledger-scroll{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%}
.ledger-table th{background:var(--chart);color:#fff;font-family:'Archivo',sans-serif;font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;text-align:left;padding:.65rem .8rem}
.ledger-table td{padding:.55rem .8rem;border-bottom:1px solid var(--line);font-size:15px;vertical-align:top}
.ledger-table caption{text-align:left;font-size:13.5px;color:var(--ink-2);padding:.6rem .2rem}
.sort-btn{background:none;border:none;color:#fff;font:inherit;cursor:pointer;padding:0;text-transform:inherit;letter-spacing:inherit}
.cmp{font-size:13.5px;white-space:nowrap;cursor:pointer}
.compare-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:0 0 1rem}
.compare-card{background:var(--card);border:1.5px solid var(--chart);border-radius:12px;padding:16px}
.compare-card h3{margin-top:0;text-transform:none;letter-spacing:0;font-size:17px;font-family:'Fraunces',serif;font-weight:560}
.compare-tray{font-size:14.5px;margin-top:.8rem}
.az-list{columns:3;column-gap:2.5rem;padding-left:1.2rem}
.az-list li{break-inside:avoid;margin-bottom:.35rem}
.az-list .mono{font-size:12.5px;color:var(--ink-2);display:block}
.cost-table,.ss4-table{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.cost-table th,.ss4-table th{background:var(--chart);color:#fff;text-align:left;padding:.6rem .8rem;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.cost-table td,.ss4-table td{padding:.6rem .8rem;border-bottom:1px solid var(--line);vertical-align:top;font-size:15.5px}
.cost-table caption,.ss4-table caption{text-align:left;padding:.5rem .2rem;font-size:13.5px;color:var(--ink-2)}
.wyde-panel{display:grid;grid-template-columns:120px 60px 1fr;gap:1.6rem;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;align-items:center}
.wyde-outlines{width:100%;height:auto}
.route-line{list-style:none;margin:2rem 0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:1.2rem;position:relative}
.route-line::before{content:"";position:absolute;top:9px;left:4%;right:4%;border-top:2px solid var(--brass)}
.route-line li{position:relative;padding-top:1.6rem}
.station-dot{position:absolute;top:2px;left:0;width:16px;height:16px;border-radius:50%;background:var(--survey);border:3px solid var(--brass)}
.route-line .receive{font-weight:600;color:var(--chart)}
form label{display:block;margin:.9rem 0;font-weight:550}
input[type="text"],input[type="email"],select,textarea{font:inherit;padding:.6rem .7rem;border:1px solid var(--line);border-radius:10px;background:#fff;width:100%;max-width:480px;margin-top:.3rem}
.capture-form{max-width:560px}
.panel{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--signal);border-radius:12px;padding:16px 20px;margin:1rem 0}
.panel p{max-width:none}
.stepper fieldset{border:1px solid var(--line);border-radius:12px;background:var(--card);padding:16px 20px;margin:1rem 0}
.stepper legend{font-family:'Archivo',sans-serif;font-weight:650;font-size:13px;letter-spacing:.14em;text-transform:uppercase;padding:0 .5rem}
.step-nav{display:flex;gap:1rem;align-items:center}
.route-brief{background:var(--card);border:1.5px solid var(--chart);border-radius:12px;padding:24px 28px}
.route-brief h2{margin-top:.4rem}
.next-steps li{margin:.5rem 0}
.dossier-head{display:grid;grid-template-columns:220px 1fr;gap:1.8rem;align-items:center}
.outline{width:100%;height:auto;max-height:210px}
.outline path{stroke:var(--chart);stroke-width:2}
.sheet-no{font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--brass);letter-spacing:.05em;margin:0}
.stat-block{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;background:var(--chart);color:#fff;border-radius:12px;padding:18px 20px;margin:1.4rem 0}
.stat-block dt{font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:#CDBF9A;font-weight:650}
.stat-block dd{margin:.2rem 0 0;font-family:'IBM Plex Mono',monospace;font-size:24px;font-weight:550}
.stat-block dd.stat-small{font-size:13.5px;line-height:1.45}
.rank-line{font-size:15.5px;color:var(--ink-2)}
.month-grid{list-style:none;display:grid;grid-template-columns:repeat(12,1fr);gap:4px;padding:0;margin:1rem 0 .4rem;max-width:760px}
.month-grid li{border:1px solid var(--line);border-radius:6px;text-align:center;padding:.45rem 0;background:var(--card);font-family:'IBM Plex Mono',monospace;font-size:12.5px}
.month-grid li.due{background:var(--chart);color:#fff;border-color:var(--chart);font-weight:600}
.month-grid li.anniv{background:repeating-linear-gradient(45deg,#fff 0 4px,#E9E4D4 4px 8px)}
.dossier-ctas{margin:2rem 0;display:flex;gap:1rem;flex-wrap:wrap}
.source-line{font-size:13.5px;color:var(--ink-2);border-top:1px solid var(--line);padding-top:1rem;overflow-wrap:anywhere}
.calc{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;max-width:720px}
.calc-out .total{font-family:'Fraunces',serif;font-size:56px;font-weight:560;color:var(--chart);line-height:1}
.task-list li{margin:.6rem 0;max-width:68ch}
.faq-list details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:.4rem 20px;margin:.6rem 0}
.faq-list summary{font-weight:650;cursor:pointer;padding:.7rem 0;font-size:16.5px}
.err-list li{margin-bottom:1rem}
.err-list h3{margin-bottom:.2rem}
.foot{background:var(--chart);color:#EDEAE0;margin-top:2rem}
.foot-in{max-width:1320px;margin:0 auto;padding:2.2rem 20px 1rem;display:grid;grid-template-columns:2fr 1fr;gap:3rem}
.foot a{color:#fff}
.foot p{max-width:64ch;font-size:15px}
.foot-brand{font-family:'Fraunces',serif;font-size:22px;font-weight:560}
.foot nav ul{list-style:none;padding:0;margin:0}
.foot nav li{margin:.45rem 0}
.foot-coord{max-width:1320px;margin:0 auto;padding:0 20px 1.6rem;font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:#CDBF9A;letter-spacing:.04em}
@media print{.band,.coord,.foot,.step-nav,.print-row,#timed-ctas{display:none}.route-brief{border:none}}
@media (max-width:1023px){
 body.has-rail .layout{grid-template-columns:1fr}
 .rail{order:2}
 .rail .mini-chart{max-width:320px}
 .tray-box{position:sticky;bottom:0;z-index:4}
}
@media (max-width:900px){
 h1{font-size:40px} h2{font-size:28px}
 .hero{grid-template-columns:1fr}
 .decision-strip{grid-template-columns:1fr}
 .route-line{grid-template-columns:1fr}
 .route-line::before{left:8px;right:auto;top:4%;bottom:4%;border-top:none;border-left:2px solid var(--brass)}
 .route-line li{padding:0 0 0 2rem}
 .station-dot{top:4px}
 .stat-block{grid-template-columns:repeat(2,1fr)}
 .dossier-head{grid-template-columns:1fr}
 .outline{max-width:240px}
 .month-grid{grid-template-columns:repeat(6,1fr)}
 .compare-strip{grid-template-columns:1fr}
 .az-list{columns:1}
 .foot-in{grid-template-columns:1fr}
 .wyde-panel{display:block}
 .wyde-panel .wyde-outlines{display:inline-block;vertical-align:middle;margin-right:14px;width:110px}
 .wyde-panel .wyde-outlines+.wyde-outlines{width:52px}
 .wyde-outlines{max-width:220px}
 body{font-size:16.5px}
 .ledger .ledger-scroll{display:none}
 .ledger.open .ledger-scroll{display:block}
 .ledger-open{display:inline-block}
 .band nav ul{gap:.8rem}
}
@media (max-width:900px){
 .cost-table td,.cost-table th,.ss4-table td,.ss4-table th{padding:.42rem .5rem;font-size:13.5px}
 .cost-table .num,.ss4-table .num{white-space:normal}
 .cost-table td{overflow-wrap:break-word}
 h2{margin:1.5rem 0 .6rem}
 .tick{margin:1.7rem 0 0}
 .hero{gap:1.2rem}
 .dpanel{padding:16px}
 .ledger-controls{padding:10px 12px;gap:.7rem}
 .ledger-table td{font-size:14px}
 .foot-in{padding-top:1.4rem}
}