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:root{--road:#14171a;--paper:#f7f6f2;--sign-green:#00703c;--sign-yellow:#ffc629;--stop-red:#c8102e;--line:#d9d6ce;--muted:#5b6168;--ink:#14171a;--surface:#fff;--surface-2:#efede6;--on-green:#fff;--sign-bg:#00703c;--on-sign:#fff;--green-soft:#e1f0e7;--red-soft:#fbe6e9;--yellow-soft:#fff3cd;--link:#00613a;--focus:#1457c7;--on-road:#f4f2ec;--on-road-muted:#b4b9be;--road-line:#2f353a;--font-head:var(--font-overpass), system-ui, sans-serif;--font-body:var(--font-public-sans), system-ui, sans-serif;--font-mono:var(--font-overpass-mono), ui-monospace, monospace;--radius:10px;--radius-sm:6px;--col:720px;--wrap:1120px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root{--road:#0e1012;--paper:#16191c;--sign-green:#2fa36b;--sign-yellow:#ffd45c;--stop-red:#e5484d;--line:#2a2f34;--muted:#9aa1a8;--ink:#ecebe5;--surface:#1d2124;--surface-2:#23282c;--on-green:#07140d;--sign-bg:#0b6b40;--on-sign:#fff;--green-soft:#12301f;--red-soft:#3a171b;--yellow-soft:#3a3011;--link:#5fd19a;--focus:#8ab4ff;--on-road:#ecebe5;--on-road-muted:#9aa1a8;--road-line:#2a2f34;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-padding-top:76px}body{background:var(--paper);color:var(--ink);font-family:var(--font-body);-webkit-font-smoothing:antialiased;min-height:100vh;margin:0;font-size:1.0625rem;line-height:1.6}h1,h2,h3,h4{font-family:var(--font-head);letter-spacing:-.005em;text-wrap:balance;margin:0;font-weight:800;line-height:1.12}h1{font-size:clamp(2rem,6.4vw,3.4rem)}h2{font-size:clamp(1.5rem,4vw,2.1rem)}h3{font-size:1.25rem}p{margin:0}a{color:var(--link);text-underline-offset:3px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}img,svg{max-width:100%}button{font:inherit;color:inherit}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip{background:var(--sign-yellow);color:#14171a;z-index:100;border-radius:6px;padding:12px 16px;font-weight:700;position:absolute;top:-60px;left:8px}.skip:focus{top:8px}.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}.col{max-width:var(--col)}.section{padding-block:56px}.section-tight{padding-block:36px}.stack>*+*{margin-top:16px}.stack-lg>*+*{margin-top:28px}.eyebrow{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-size:.8125rem;font-weight:600}.eyebrow-exit{align-items:center;gap:8px;display:inline-flex}.eyebrow-exit b{background:var(--sign-bg);color:var(--on-sign);letter-spacing:.06em;border-radius:4px;padding:2px 8px;font-weight:700}.lede{color:var(--ink);max-width:62ch;font-size:1.1875rem;line-height:1.55}.muted{color:var(--muted)}.small{font-size:.9375rem}.mono{font-family:var(--font-mono)}.site-header{background:var(--road);color:var(--on-road);z-index:50;border-bottom:4px solid var(--sign-yellow);position:sticky;top:0}.site-header .wrap{align-items:center;gap:16px;min-height:64px;display:flex}.brand{color:var(--on-road);font-family:var(--font-head);letter-spacing:-.01em;align-items:center;gap:10px;min-height:48px;font-size:1.375rem;font-weight:800;text-decoration:none;display:inline-flex}.brand:hover{text-decoration:none}.brand-cdl{background:var(--sign-yellow);color:#14171a;letter-spacing:.06em;border-radius:4px;margin-left:-2px;padding:3px 7px 2px;font-size:.8125rem;font-weight:800}.nav-desktop{align-items:center;gap:4px;margin-left:auto;display:none}.nav-desktop a{color:var(--on-road);font-family:var(--font-head);border-radius:6px;padding:12px 14px;font-size:1rem;font-weight:600;text-decoration:none}.nav-desktop a:hover{background:var(--road-line)}.nav-mobile{margin-left:auto}.nav-mobile summary{cursor:pointer;border-radius:6px;place-items:center;min-width:48px;min-height:48px;list-style:none;display:grid}.nav-mobile summary::-webkit-details-marker{display:none}.nav-mobile[open] summary{background:var(--road-line)}.nav-panel{background:var(--road);border-bottom:4px solid var(--sign-yellow);gap:2px;padding:8px 20px 20px;display:grid;position:absolute;top:100%;left:0;right:0}.nav-panel a{color:var(--on-road);font-family:var(--font-head);border-bottom:1px solid var(--road-line);align-items:center;min-height:52px;padding:14px 4px;font-size:1.125rem;font-weight:700;text-decoration:none;display:flex}@media (min-width:880px){.nav-desktop{display:flex}.nav-mobile{display:none}}.btn{min-height:52px;font-family:var(--font-head);letter-spacing:.005em;cursor:pointer;text-align:center;border:0;border-radius:8px;justify-content:center;align-items:center;gap:10px;padding:0 24px;font-size:1.125rem;font-weight:700;line-height:1.1;text-decoration:none;transition:transform 80ms,background-color .12s;display:inline-flex}.btn:active{transform:translateY(1px)}.btn:hover{text-decoration:none}.btn-primary{background:var(--sign-green);color:var(--on-green);box-shadow:inset 0 0 0 2px color-mix(in srgb, var(--on-green) 82%, transparent);outline:2px solid var(--sign-green);outline-offset:2px}.btn-primary:hover{background:color-mix(in srgb, var(--sign-green) 88%, var(--road))}.btn-primary:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.btn-ghost{color:var(--ink);box-shadow:inset 0 0 0 2px var(--ink);background:0 0}.btn-ghost:hover{background:color-mix(in srgb, var(--ink) 8%, transparent)}.btn-yellow{background:var(--sign-yellow);color:#14171a;box-shadow:inset 0 0 0 2px #14171a}.btn-on-road.btn-ghost{color:var(--on-road);box-shadow:inset 0 0 0 2px var(--on-road)}.btn-sm{min-height:44px;padding:0 16px;font-size:1rem}.btn-block{width:100%}.btn[disabled]{opacity:.5;cursor:not-allowed}.btn-header{min-height:44px;padding:0 16px;font-size:.9375rem;display:none}@media (min-width:560px){.btn-header{display:inline-flex}}.link-arrow{font-family:var(--font-head);align-items:center;gap:6px;min-height:44px;font-weight:700;text-decoration:none;display:inline-flex}.link-arrow:hover{text-decoration:underline}.hero{background:var(--road);color:var(--on-road);position:relative}.hero .wrap{gap:40px;padding-top:44px;padding-bottom:64px;display:grid}.hero h1{color:var(--on-road);max-width:14ch}.hero .lede{color:var(--on-road);margin-top:18px}.hero-note{color:var(--on-road-muted);margin-top:14px;font-size:.9375rem}.hero-actions{flex-wrap:wrap;align-items:center;gap:14px;margin-top:28px;display:flex}.hero .eyebrow{color:var(--sign-yellow)}.lane{background:var(--road);height:12px;position:relative}.lane:after{content:"";background:repeating-linear-gradient(90deg, var(--sign-yellow) 0 34px, transparent 34px 60px);height:3px;position:absolute;top:5px;left:0;right:0}@media (min-width:880px){.hero .wrap{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);align-items:center;gap:56px;padding-top:72px;padding-bottom:88px}}.sign{--pad:18px;background:var(--sign-bg);color:var(--on-sign);padding:calc(var(--pad) + 6px) var(--pad);text-align:center;box-shadow:0 0 0 3px var(--paper), 0 0 0 5px color-mix(in srgb, var(--ink) 25%, transparent);border-radius:14px;position:relative}.sign:before{content:"";border:3px solid var(--on-sign);pointer-events:none;border-radius:9px;position:absolute;inset:7px}.sign-label{font-family:var(--font-head);letter-spacing:.18em;text-transform:uppercase;font-size:.8125rem;font-weight:700}.sign-num{font-family:var(--font-head);font-variant-numeric:tabular-nums;margin:6px 0 2px;font-size:5.5rem;font-weight:800;line-height:1}.sign-foot{font-family:var(--font-head);letter-spacing:.12em;text-transform:uppercase;font-size:.9375rem;font-weight:700}.sign-ready .sign-foot{background:var(--sign-yellow);color:#14171a;border-radius:4px;padding:3px 14px;font-size:1.125rem;font-weight:800;display:inline-block}.sign-sm .sign-num{font-size:3.4rem}.sign-sm{--pad:14px}.sign-example{justify-items:center;gap:18px;display:grid}.sign-post{background:var(--on-road-muted);width:12px;height:36px;margin:-4px auto 0;display:none}.hero-panel{gap:18px;width:100%;max-width:420px;display:grid}.hero-route{background:color-mix(in srgb, var(--on-road) 6%, var(--road));border:2px solid var(--road-line);border-radius:12px;gap:12px;padding:16px 18px;display:grid}.hero-route-row{font-family:var(--font-head);grid-template-columns:auto 1fr auto;align-items:center;gap:12px;font-size:.9375rem;font-weight:600;display:grid}.hero-route-row .exit{font-family:var(--font-mono);background:var(--sign-bg);color:var(--on-sign);letter-spacing:.06em;border-radius:4px;padding:3px 8px;font-size:.75rem;font-weight:700}.hero-route-row .tag{color:var(--on-road-muted);font-size:.8125rem;font-weight:500}.hero-route-row.here,.hero-route-row.here .tag{color:var(--sign-yellow)}.card{background:var(--surface);border:2px solid var(--line);border-radius:var(--radius);padding:22px}.card-flat{background:var(--surface-2);border:0}.grid{gap:16px;display:grid}@media (min-width:640px){.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (min-width:900px){.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}}.testcard{background:var(--surface);border:2px solid var(--line);border-radius:var(--radius);color:var(--ink);grid-template-columns:auto 1fr;align-items:start;gap:14px;min-height:96px;padding:18px;text-decoration:none;transition:border-color .12s,transform .12s;display:grid}.testcard:hover{border-color:var(--sign-green);text-decoration:none;transform:translateY(-1px)}.testcard h3{font-size:1.1875rem}.testcard .meta{font-family:var(--font-mono);color:var(--muted);margin-top:6px;font-size:.75rem}.testcard .who{color:var(--muted);margin-top:4px;font-size:.9375rem;display:none}@media (min-width:640px){.testcard .who{display:block}}.badge-sign{width:52px;height:52px;font-family:var(--font-head);background:var(--sign-bg);color:var(--on-sign);box-shadow:inset 0 0 0 2px color-mix(in srgb, var(--on-sign) 85%, transparent);letter-spacing:.02em;border-radius:8px;flex:none;place-items:center;font-size:1.125rem;font-weight:800;display:grid}.badge-sign.yellow{background:var(--sign-yellow);color:#14171a;box-shadow:inset 0 0 0 2px #14171a}.badge-sign.diamond{border-radius:6px;width:40px;height:40px;margin:6px;transform:rotate(45deg)}.badge-sign.diamond>span{transform:rotate(-45deg)}.rows{border-top:2px solid var(--ink);gap:0;display:grid}.row{border-bottom:1px solid var(--line);grid-template-columns:auto 1fr;gap:18px;padding:20px 0;display:grid}.row-num{font-family:var(--font-mono);color:var(--muted);min-width:36px;padding-top:4px;font-size:.9375rem;font-weight:700}.row h3{margin-bottom:4px;font-size:1.25rem}.promise{background:var(--yellow-soft);border:2px solid var(--ink);border-left:12px solid var(--sign-yellow);border-radius:var(--radius);padding:24px}.promise h2,.promise h3{margin-bottom:8px}.table-scroll{border:2px solid var(--line);border-radius:var(--radius);background:var(--surface);margin:20px 0;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.9688rem}th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:12px 14px}th{font-family:var(--font-head);background:var(--surface-2);white-space:nowrap;font-weight:700}tr:last-child td{border-bottom:0}td.num,th.num{text-align:right;font-family:var(--font-mono);white-space:nowrap}tfoot td{background:var(--surface-2);font-weight:700}.pill{font-family:var(--font-mono);letter-spacing:.04em;text-transform:uppercase;white-space:nowrap;border-radius:4px;padding:2px 8px;font-size:.75rem;font-weight:700;display:inline-block}.pill-green{background:var(--green-soft);color:var(--link);border:1px solid var(--sign-green)}.pill-muted{background:var(--surface-2);color:var(--muted);border:1px solid var(--line)}.pill-yellow{background:var(--sign-yellow);color:#14171a}.prose{font-size:1.0625rem;line-height:1.7}.prose>*+*{margin-top:1.05em}.prose h2{margin-top:2.1em;font-size:clamp(1.4rem,3.4vw,1.75rem)}.prose h3{margin-top:1.7em;font-size:1.25rem}.prose ul,.prose ol{padding-left:1.3em}.prose li+li{margin-top:.4em}.prose strong{font-weight:700}.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}.answer{border-left:8px solid var(--sign-bg);background:var(--surface);border-radius:0 var(--radius) var(--radius) 0;border-top:2px solid var(--line);border-right:2px solid var(--line);border-bottom:2px solid var(--line);padding:18px 22px;font-size:1.125rem}.faq{border-top:2px solid var(--ink)}.faq details{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;min-height:56px;font-family:var(--font-head);padding:18px 40px 18px 0;font-size:1.125rem;font-weight:700;line-height:1.3;list-style:none;position:relative}.faq summary::-webkit-details-marker{display:none}.faq 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