:root{--ink:#141C2B;--ink-2:#4B5567;--ink-3:#7C8698;--paper:#FBFAF7;--stub:#ECEFF3;
--rule:#D6D9DF;--rule-2:#E7E9ED;--peak:#C60C30;--line:#4D5357}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);overflow-wrap:break-word;
font:400 16px/1.55 "IBM Plex Sans",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
.mono,td,dd{font-variant-numeric:tabular-nums}
h1,h2,h3,.wordmark{font-family:"Bricolage Grotesque","IBM Plex Sans",sans-serif;margin:0}
a{color:inherit}.wrap{max-width:860px;margin:0 auto;padding:0 20px}
header.site{border-bottom:1px solid var(--rule)}
.bar{max-width:860px;margin:0 auto;padding:16px 20px;display:flex;align-items:center;
justify-content:space-between;gap:16px}
.wordmark{font-size:19px;font-weight:800;letter-spacing:-.025em;text-decoration:none;
display:flex;align-items:baseline;gap:7px}
/* ink-3 on paper is 3.5:1, under AA for text this small. The strapline sits
   next to the wordmark at 10px, so it takes ink-2 (7.2:1). */
.wordmark small{font:500 10px/1 "IBM Plex Mono",monospace;letter-spacing:.16em;
color:var(--ink-2);text-transform:uppercase}
nav.site{display:flex;gap:22px;color:var(--ink-2);
font:500 13.5px/1 "IBM Plex Sans",system-ui,sans-serif}
nav.site a{text-decoration:none;padding:5px 0;border-bottom:2px solid transparent}
nav.site a:hover{color:var(--line);border-bottom-color:var(--rule)}
/* the network colour of the page underlines the section you are in, the same
   cue the ticket spine gives */
nav.site a[aria-current]{color:var(--ink);border-bottom-color:var(--line)}
/* Below 700px this nav used to be display:none, which left every phone visitor
   with no navigation above the fold at all. Four short labels fit a 320px row,
   so it wraps to a second header row instead of hiding. */
@media(max-width:700px){
  .bar{flex-wrap:wrap;gap:0;padding:14px 20px 0}
  nav.site{width:100%;margin-top:12px;gap:0;border-top:1px solid var(--rule-2)}
  nav.site a{flex:1;text-align:center;padding:12px 2px;border-bottom-width:2px}
}
.crumb{font:400 11.5px/1.5 "IBM Plex Mono",monospace;color:var(--ink-3);
padding:16px 0 0;overflow-wrap:anywhere}
.ticket{position:relative;margin:20px 0 30px;background:#fff;border:1px solid var(--rule);
box-shadow:5px 5px 0 rgba(20,28,43,.07)}
.ticket::before{content:"";position:absolute;left:0;top:0;bottom:0;width:7px;background:var(--line)}
.t-top{padding:22px 24px 20px 30px}
.t-eyebrow{display:flex;gap:9px;font:600 10px/1 "IBM Plex Mono",monospace;letter-spacing:.15em;
text-transform:uppercase;color:var(--ink-3);margin-bottom:14px}
.t-eyebrow b{color:var(--line);font-weight:600}
.t-od{display:grid;grid-template-columns:1fr auto 1fr;gap:14px;align-items:start;margin:0}
.t-od .ep{font-size:clamp(23px,4.6vw,33px);font-weight:700;letter-spacing:-.028em;
line-height:1.06;display:block;font-family:"Bricolage Grotesque",sans-serif}
.t-zone{display:block;margin-top:8px;font:500 10.5px/1 "IBM Plex Mono",monospace;letter-spacing:.1em;
text-transform:uppercase;color:var(--ink-2)}
.t-arrow{font-size:22px;color:var(--line);padding-top:6px;font-weight:400;line-height:1}
.t-arrow .ar-v{display:none}.t-to{text-align:right}
.t-perf{position:relative;height:0;border-top:2px dashed var(--rule)}
.t-perf::before,.t-perf::after{content:"";position:absolute;top:-11px;width:20px;height:20px;
border-radius:50%;background:var(--paper);border:1px solid var(--rule)}
.t-perf::before{left:-11px}.t-perf::after{right:-11px}
.t-stub{background:var(--stub);padding:16px 24px 16px 30px;display:grid;
grid-template-columns:repeat(4,1fr);gap:8px;margin:0}
.t-cell dt{font:600 9.5px/1 "IBM Plex Mono",monospace;letter-spacing:.13em;
text-transform:uppercase;color:var(--ink-3);margin-bottom:6px}
.t-cell dd{margin:0;font-family:"IBM Plex Mono",monospace;font-size:19px;font-weight:600}
.t-cell dd small{font-size:11px;font-weight:400;color:var(--ink-2)}
.t-cell.is-peak dd{color:var(--peak)}
@media(max-width:640px){.t-stub{grid-template-columns:repeat(2,1fr);gap:14px 8px}
.t-od{grid-template-columns:1fr;gap:4px}
.t-arrow{padding:0 0 4px;line-height:1}
.t-arrow .ar-h{display:none}.t-arrow .ar-v{display:inline;font-size:20px}
.t-to{text-align:left}}
.answer{font-size:17px;margin:0 0 26px;max-width:62ch}
.answer b{font-family:"IBM Plex Mono",monospace;font-weight:600}
section{margin:0 0 34px}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;
padding-bottom:8px;border-bottom:2px solid var(--ink)}
.sec-head h2{font-size:15px;font-weight:700}
.sec-head span{font:400 11px/1 "IBM Plex Mono",monospace;color:var(--ink-3)}
table{width:100%;border-collapse:collapse}
thead th{font:600 9.5px/1 "IBM Plex Mono",monospace;letter-spacing:.13em;text-transform:uppercase;
color:var(--ink-3);text-align:left;padding:11px 8px;border-bottom:1px solid var(--rule)}
thead th.num,tbody td.num{text-align:right}
tbody td{padding:9px 8px;border-bottom:1px solid var(--rule-2);
font-family:"IBM Plex Mono",monospace;font-size:14px}
td.time{font-weight:600;font-size:15px}td.train{color:var(--ink-3);font-size:12.5px}
.tag{display:inline-block;font-size:9.5px;font-weight:600;letter-spacing:.1em;
text-transform:uppercase;padding:2px 6px;border-radius:2px}
.tag.peak{background:var(--peak);color:#fff}.tag.off{background:var(--stub);color:var(--ink-2)}
.fares{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--rule);
border:1px solid var(--rule);margin:16px 0 0}
.fare{background:#fff;padding:14px 16px}
.fare dt{font:600 9.5px/1 "IBM Plex Mono",monospace;letter-spacing:.12em;text-transform:uppercase;
color:var(--ink-3);margin-bottom:7px}
.fare dd{margin:0;font-family:"IBM Plex Mono",monospace;font-size:21px;font-weight:600}
@media(max-width:560px){.fares{grid-template-columns:repeat(2,1fr)}}
.note{margin-top:12px;font-size:13.5px;color:var(--ink-2)}
.facts{margin-top:16px;border-top:1px solid var(--rule-2)}
.fact{display:flex;justify-content:space-between;gap:16px;padding:10px 2px;
border-bottom:1px solid var(--rule-2);font-size:14.5px;margin:0}
.fact dt{color:var(--ink-2)}
.fact dd{margin:0;font-family:"IBM Plex Mono",monospace;font-weight:500}
details{border-bottom:1px solid var(--rule-2)}
summary{padding:13px 24px 13px 2px;cursor:pointer;font-weight:500;font-size:15px;
position:relative;list-style:none}summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:2px;top:12px;
font-family:"IBM Plex Mono",monospace;color:var(--ink-3);font-size:17px}
details[open] summary::after{content:"\2212"}
details p{margin:0 0 15px;padding-right:24px;color:var(--ink-2);font-size:14.5px}
.links{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:18px}
.links h3{font:600 9.5px/1 "IBM Plex Mono",monospace;letter-spacing:.13em;
text-transform:uppercase;color:var(--ink-3);margin:0 0 11px}
.links ul{list-style:none;margin:0 0 20px;padding:0}
.links li{padding:5px 0;font-size:14.5px}
.links a{text-decoration:none;border-bottom:1px solid var(--rule)}
.links a:hover{border-color:var(--line);color:var(--line)}
@media(max-width:560px){.links{grid-template-columns:1fr}}
.routes{list-style:none;margin:16px 0 0;padding:0;border-top:1px solid var(--rule-2)}
.routes li{border-bottom:1px solid var(--rule-2)}
.routes a,.routes span{display:flex;justify-content:space-between;gap:6px 14px;
align-items:baseline;flex-wrap:wrap;padding:11px 2px;text-decoration:none;font-size:15px}
.routes em{font-style:normal;font-family:"IBM Plex Mono",monospace;font-size:13px;
color:var(--ink-3);white-space:nowrap;flex-shrink:0}
@media(max-width:340px){.routes em{white-space:normal}}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}
.chip{font:500 11px/1 "IBM Plex Mono",monospace;padding:6px 9px;border:1px solid var(--rule);
background:#fff}.chip.line{border-color:var(--line);color:var(--line)}
h1.big{font-size:clamp(28px,5.4vw,42px);font-weight:800;letter-spacing:-.032em;
line-height:1.04;padding-top:20px}
footer.site{border-top:1px solid var(--rule);margin-top:50px;padding:26px 0 50px;
font-size:13px;color:var(--ink-3);line-height:1.7}
footer.site a{text-decoration:none;border-bottom:1px solid var(--rule-2)}

/* ---- stat grid ---- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--rule);
border:1px solid var(--rule);margin:16px 0 0}
.stat{background:#fff;padding:15px 16px}
.stat dt{font:600 9.5px/1 "IBM Plex Mono",monospace;letter-spacing:.12em;
text-transform:uppercase;color:var(--ink-3);margin-bottom:7px}
.stat dd{margin:0;font-family:"IBM Plex Mono",monospace;font-size:20px;font-weight:600;
letter-spacing:-.02em}
.stat dd small{font-size:11px;font-weight:400;color:var(--ink-3);letter-spacing:0}
@media(max-width:640px){.stats{grid-template-columns:repeat(2,1fr)}}

/* ---- calling points: the line drawn as a line ---- */
.calls{list-style:none;margin:18px 0 0;padding:0;position:relative}
.calls::before{content:"";position:absolute;left:5px;top:9px;bottom:9px;width:2px;
background:var(--line);opacity:.35}
.calls li{position:relative;padding:7px 0 7px 26px;font-size:14.5px}
.calls li::before{content:"";position:absolute;left:1px;top:14px;width:10px;height:10px;
border-radius:50%;background:var(--paper);border:2px solid var(--line)}
.calls li.end::before{background:var(--line);width:12px;height:12px;left:0;top:13px}
.calls li.end{font-weight:600}
.calls a{text-decoration:none;border-bottom:1px solid var(--rule)}
.calls a:hover{border-color:var(--line);color:var(--line)}
.calls .zone{font:400 11px/1 "IBM Plex Mono",monospace;color:var(--ink-3);margin-left:8px}

/* ---- related: rows that carry their own numbers ---- */
.rel{margin-top:18px}
.rel h3{font:600 9.5px/1 "IBM Plex Mono",monospace;letter-spacing:.13em;
text-transform:uppercase;color:var(--ink-3);margin:26px 0 0}
.rel h3:first-child{margin-top:0}
.rel ul{list-style:none;margin:8px 0 0;padding:0}
.rel li{border-bottom:1px solid var(--rule-2)}
.rel a,.rel span.dead{display:flex;align-items:baseline;gap:12px;padding:12px 2px 12px 12px;
text-decoration:none;position:relative}
.rel a::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
background:var(--line);opacity:.55}
.rel a:hover{background:#fff}
.rel a:hover::before{opacity:1}
.rel .name{font-size:15px;font-weight:500;flex:1;min-width:0}
.rel .sub{display:block;font:400 12px/1.4 "IBM Plex Sans",sans-serif;color:var(--ink-3);
margin-top:2px}
.rel .num{font-family:"IBM Plex Mono",monospace;font-size:13px;color:var(--ink-2);
white-space:nowrap;text-align:right;flex-shrink:0}
.rel .num b{display:block;font-size:15px;font-weight:600;color:var(--ink)}
.rel-2{columns:2;column-gap:32px;margin-top:18px}
.rel-2>div{break-inside:avoid}
.rel-2 h3,.rel-2 ul{break-inside:avoid}
@media(max-width:640px){.rel-2{columns:1}}


/* ---- byline + jump nav ---- */
.byline{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:baseline;
font:400 12px/1.4 "IBM Plex Mono",monospace;color:var(--ink-3);margin:0 0 18px}
.byline b{font-weight:500;color:var(--ink-2)}
.jump{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 30px;padding:0;list-style:none}
.jump a{display:inline-block;font:500 12px/1 "IBM Plex Sans",sans-serif;
padding:7px 11px;border:1px solid var(--rule);background:#fff;text-decoration:none;
color:var(--ink-2)}
.jump a:hover{border-color:var(--line);color:var(--line)}

/* ---- footer ---- */
footer.site{background:var(--ink);color:#AEB7C6;margin-top:56px;padding:40px 0 0;
font-size:14px;line-height:1.55;border:0}
footer.site .wrap{padding:0 20px}
.f-top{display:grid;grid-template-columns:1.2fr 3.4fr;gap:36px;
padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.1)}
.f-brand .wordmark{color:#fff;font-size:19px;margin-bottom:10px}
.f-brand .wordmark small{color:#7C8698}
.f-brand p{margin:0;max-width:32ch;font-size:13.5px;color:#96A0B1}
.f-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:24px 24px}
.f-col h4{font:600 9.5px/1 "IBM Plex Mono",monospace;letter-spacing:.14em;
text-transform:uppercase;color:#6B7688;margin:0 0 10px}
.f-col ul{list-style:none;margin:0;padding:0}
.f-col li{font-size:13.5px}
.f-col a{display:inline-block;padding:6px 0;color:#DDE3EC;text-decoration:none;
border-bottom:1px solid transparent}
.f-col a:hover{color:#fff;border-color:rgba(255,255,255,.45)}
.f-col .n{font:400 11px/1 "IBM Plex Mono",monospace;color:#5F6A7C;margin-left:6px}

.f-sources{padding:22px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.f-sources h4{font:600 9.5px/1 "IBM Plex Mono",monospace;letter-spacing:.14em;
text-transform:uppercase;color:#6B7688;margin:0 0 10px}
.f-src{display:grid;grid-template-columns:repeat(3,1fr);gap:0 28px;margin:0}
.f-src div{display:flex;justify-content:space-between;gap:12px;align-items:baseline;
padding:6px 0;border-bottom:1px solid rgba(255,255,255,.06);font-size:12.5px}
.f-src dt{color:#96A0B1}
.f-src dd{margin:0;font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:#6B7688;
white-space:nowrap}

.f-bottom{padding:18px 0 36px;display:flex;justify-content:space-between;gap:14px;
flex-wrap:wrap;align-items:baseline;font-size:12.5px;color:#6B7688}
.f-bottom nav{display:flex;gap:16px;flex-wrap:wrap}
.f-bottom nav a{display:inline-block;padding:5px 0}
.f-bottom a{color:#8D97A8;text-decoration:none}
.f-bottom a:hover{color:#fff}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;
padding:10px 16px;z-index:100;text-decoration:none}
.skip:focus{left:8px;top:8px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--line);
outline-offset:2px}

/* mobile: keep the columns side by side. One long stacked list is what
   leaves the dead space on the right and makes the footer feel endless. */
@media(max-width:900px){
  .f-top{grid-template-columns:1fr;gap:26px;padding-bottom:24px}
  .f-nav{grid-template-columns:repeat(4,1fr)}
  .f-src{grid-template-columns:repeat(2,1fr);gap:0 24px}
}
@media(max-width:560px){
  footer.site{margin-top:40px;padding-top:32px}
  .f-brand p{max-width:none}
  .f-nav{grid-template-columns:repeat(2,1fr);gap:22px 18px}
  .f-col li{font-size:13.5px}
  .f-col a{padding:7px 0}
  /* 4 groups divide evenly into 2 columns, no stranded row */
  .f-src{grid-template-columns:1fr;gap:0}
  .f-src div{padding:5px 0}
  .f-bottom{padding:16px 0 30px;gap:10px}
}


@media(max-width:340px){
  .wrap,.bar{padding-left:14px;padding-right:14px}
  .t-top{padding:18px 16px 16px 22px}
  .t-stub{padding:14px 16px 14px 22px}
  .jump a{padding:6px 9px;font-size:11.5px}
  .stats{grid-template-columns:1fr 1fr}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.hero{padding:44px 0 8px}
.hero h1{font-size:clamp(30px,6vw,50px);font-weight:800;letter-spacing:-.035em;
line-height:1.02;max-width:17ch}
.hero p.lede{margin:16px 0 0;font-size:17.5px;color:var(--ink-2);max-width:54ch}
.finder{margin:26px 0 0;background:#fff;border:1px solid var(--rule);
box-shadow:5px 5px 0 rgba(20,28,43,.07);padding:18px;display:grid;
grid-template-columns:1fr 1fr auto;gap:10px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font:600 9.5px/1 "IBM Plex Mono",monospace;letter-spacing:.13em;
text-transform:uppercase;color:var(--ink-3)}
.field input{font:400 15px/1 "IBM Plex Sans",sans-serif;padding:11px;
border:1px solid var(--rule);background:var(--paper);border-radius:0;color:var(--ink)}
.field input:focus{outline:2px solid var(--line);outline-offset:-1px}
.go{align-self:end;background:var(--ink);color:#fff;border:0;padding:13px 20px;
cursor:pointer;font:600 13px/1 "IBM Plex Mono",monospace;letter-spacing:.06em}
.go:hover{background:var(--line)}
@media(max-width:640px){.finder{grid-template-columns:1fr}.go{align-self:stretch}}
.nets{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--rule);
border:1px solid var(--rule);margin-top:16px}
.net{background:#fff;padding:16px;text-decoration:none;display:block;border-top:3px solid var(--nc)}
.net:hover{background:var(--stub)}
.net b{display:block;font-size:15.5px;font-weight:600}
.net span{display:block;margin-top:5px;font:400 11.5px/1.5 "IBM Plex Mono",monospace;
color:var(--ink-3)}
@media(max-width:640px){.nets{grid-template-columns:1fr 1fr}}
.az{margin-top:18px}
.az h2{font:600 11px/1 "IBM Plex Mono",monospace;letter-spacing:.13em;color:var(--ink-3);
margin:26px 0 10px;padding-bottom:7px;border-bottom:1px solid var(--rule)}
.az ul{list-style:none;margin:0;padding:0;columns:3;column-gap:28px}
.az li{padding:4px 0;font-size:14px;break-inside:avoid}
.az a{text-decoration:none;border-bottom:1px solid var(--rule-2)}
.az a:hover{border-color:var(--line);color:var(--line)}
.az .z{font:400 11px/1 "IBM Plex Mono",monospace;color:var(--ink-3);margin-left:5px}
@media(max-width:760px){.az ul{columns:2}}
@media(max-width:480px){.az ul{columns:1}}
.prose{max-width:66ch}
.prose h2{font-size:20px;font-weight:700;margin:34px 0 10px;letter-spacing:-.015em}
.prose h3{font-size:15px;font-weight:600;margin:22px 0 6px}
.prose p{margin:0 0 14px;color:var(--ink-2)}
.prose ul{margin:0 0 14px;padding-left:20px;color:var(--ink-2)}
.prose li{margin:5px 0}
.prose a{color:var(--ink)}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;
padding:10px 16px;z-index:100}
.skip:focus{left:8px;top:8px}