@font-face{font-family:"Pixelify Sans";src:url("/assets/pixelify.woff2") format("woff2");font-weight:400 700;font-display:swap}
@font-face{font-family:"DM Sans";src:url("/assets/dm-sans.woff2") format("woff2");font-weight:400 700;font-display:swap}
@font-face{font-family:"DM Mono";src:url("/assets/dm-mono.woff2") format("woff2");font-display:swap}

:root{color-scheme:light;--bg:#fdfcf9;--ink:#181b21;--muted:#686760;--line:#e2ded4;--paper:#f5f1e9;--accent:#253f68;--accent-dark:#162941;--accent-soft:#edf1f5;--mono:"DM Mono",monospace;--pixel:"Pixelify Sans",monospace;--sans:"DM Sans",system-ui,sans-serif}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 var(--sans)}
a{color:inherit;text-underline-offset:.22em}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
[hidden]{display:none!important}
:focus-visible{outline:2px solid #3d68a6;outline-offset:3px}
.skip-link{position:fixed;z-index:5;left:12px;top:8px;transform:translateY(-150%);background:var(--bg);padding:8px 12px}
.skip-link:focus{transform:none}
.shell{width:min(1120px,calc(100% - 48px));margin-inline:auto}
.site-header{position:sticky;z-index:3;top:0;background:var(--bg);border-bottom:1px solid var(--line)}
.header-row{display:flex;align-items:center;gap:32px;min-height:57px}
.brand{display:inline-flex;align-items:center;gap:9px;white-space:nowrap;text-decoration:none;font:24px/1 var(--pixel)}
.brand-mark,.station-icon{display:block;flex:none;width:32px;height:32px;border-radius:5px;image-rendering:pixelated}
.brand .brand-mark{width:27px;height:27px}
.network-mark{display:block;flex:none;width:16px;height:16px;object-fit:contain}
.top-nav,.footer nav{display:flex;align-items:center;gap:18px;font:13px/1.4 var(--mono)}
.top-nav a,.footer a{text-decoration:none;color:var(--muted);white-space:nowrap}
.top-nav a:hover,.top-nav a[aria-current],.footer a:hover{color:var(--accent);text-decoration:underline}
.header-action{display:flex;gap:7px;margin-left:auto;white-space:nowrap}
.button{display:inline-flex;min-height:45px;align-items:center;justify-content:center;gap:9px;border:1px solid var(--accent-dark);padding:9px 22px;font-weight:700;font-size:14px;text-decoration:none;line-height:1.25}
.button-primary{background:var(--accent);color:white}
.button-primary:hover{background:var(--accent-dark)}
.button-outline{background:var(--bg);color:var(--ink)}
.button-outline:hover{background:var(--accent-soft)}
.header-action .button{min-height:34px;padding:6px 12px;font:14px/1 var(--pixel)}
.header-action .social-button{width:34px;padding:6px;border-color:var(--line)}
.social-button img{display:block;width:15px;height:15px}
.hero{position:relative;isolation:isolate;display:grid;align-items:center;min-height:486px;padding-block:40px 48px}
#signal-field{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.hero-content{position:relative;width:min(720px,100%)}
.hero-label,.overline{font:12px/1.3 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.hero-label{display:inline-flex;align-items:center;gap:9px;border:1px solid var(--line);padding:6px 9px;margin:0 0 26px;background:var(--bg)}
.signal-dot{width:6px;height:6px;background:var(--accent);display:inline-block}
h1,h2,p{margin:0}
h1,h2{font-family:var(--pixel);font-weight:400}
.hero h1{font-size:clamp(46px,6.3vw,78px);font-weight:600;line-height:.99;letter-spacing:-.025em}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-content>p:not(.hero-label){max-width:560px;margin:26px 0 28px;color:var(--muted);line-height:1.65}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.actions .button-primary{box-shadow:3px 4px 0 var(--accent-dark)}
.actions .button-primary:hover{box-shadow:2px 2px 0 var(--accent-dark)}
.network-summary{margin:0;border:1px solid var(--line);background:linear-gradient(110deg,#f2f5f8,#fdfcf9 63%);display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.network-summary div{padding:17px 23px}
.network-summary div+div{border-left:1px solid var(--line)}
.network-summary dd{margin:0;font:44px/1.15 var(--pixel)}
.network-summary dt{margin-top:7px;color:var(--muted);font:11px/1.4 var(--mono);letter-spacing:.105em;text-transform:uppercase}
section[id]{scroll-margin-top:82px}
.network-explainer{padding:66px 0 76px;display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:clamp(30px,6vw,78px)}
.section-line{display:flex;align-items:center;justify-content:space-between;gap:16px}
.section-line>span,.pair-caption{font:11px/1.55 var(--mono);color:var(--muted)}
.signal-dot{margin-right:5px;box-shadow:0 0 6px #6389b6}
.pair-diagram{margin:26px 0 14px;display:grid;justify-items:center}
.pair-hub,.pair-branches button,.yard-hub,.yard-station{border:1px solid #b5bdc5;text-align:left;background:var(--accent-soft);color:var(--ink)}
.pair-hub{position:relative;display:flex;align-items:center;gap:10px;width:min(252px,100%);height:56px;padding:10px 13px;font-family:var(--mono)}
.pair-hub>span,.yard-hub small:first-child{margin-left:auto;background:var(--accent);color:white;padding:3px 5px;font:10px/1 var(--mono)}
.pair-hub::after{content:"";position:absolute;top:100%;left:50%;height:29px;border-left:1px dashed #8493a3}
.pair-branches{position:relative;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px;width:100%;padding-top:47px}
.pair-branches::before{content:"";position:absolute;top:28px;left:16.65%;right:16.65%;border-top:1px dashed #8493a3}
.pair-branches button{position:relative;display:flex;align-items:center;gap:9px;min-width:0;min-height:57px;padding:8px;background:var(--paper);border-color:var(--line);font:12px/1.35 var(--mono)}
.pair-branches button::before{content:"";position:absolute;top:-20px;left:50%;height:19px;border-left:1px dashed #8493a3}
.pair-branches small{display:block;margin-top:3px;color:var(--muted)}
.pair-hub:hover,.pair-branches button:hover,.yard-hub:hover,.yard-station:hover{border-color:var(--accent);background:#e5ebf2}
.pair-caption{text-align:center}
.station-label{min-width:0;overflow-wrap:anywhere}
.steps{margin:14px 0 0;padding:0;list-style:none;counter-reset:step}
.steps li{position:relative;counter-increment:step;border-left:1px solid var(--line);margin-left:11px;padding:0 0 21px 27px;font-size:13px}
.steps li:last-child{padding-bottom:0}
.steps li::before{content:"0" counter(step);position:absolute;left:-12px;top:0;display:grid;place-items:center;width:23px;height:23px;border:1px solid #a6b3c5;background:var(--accent-soft);color:var(--accent);border-radius:50%;font:10px/1 var(--mono)}
.steps li:first-child::before{background:var(--accent);color:white}
.steps p{color:var(--muted);margin:4px 0 0}
.explore{padding-bottom:64px}
.explore-heading{align-items:end;margin-bottom:15px}
.explore-heading h2{margin-top:8px;font:36px/1.05 var(--pixel)}
.search{display:flex;align-items:center;gap:8px;min-height:39px;width:min(320px,100%);border:1px solid var(--line);padding:0 10px;color:var(--muted)}
.search:focus-within{border-color:var(--accent)}
.search input{width:100%;min-width:0;background:transparent;border:0;outline:0;font-size:13px;color:var(--ink)}
.controls{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.filters,.amounts{display:flex;gap:6px;flex-wrap:wrap}
.filters button,.sort select,.amounts button{border:1px solid var(--line);background:var(--bg);color:var(--muted);font:12px/1.25 var(--mono);padding:7px 11px}
.filters button[aria-pressed="true"]{background:var(--accent);color:white;border-color:var(--accent)}
.filters button span{opacity:.8;margin-left:4px}
.sort{display:flex;gap:8px;align-items:center;font:11px/1.4 var(--mono);color:var(--muted)}
.yard{position:relative;isolation:isolate;overflow:hidden;min-height:435px;border:1px solid #d3cec0;background:#eee4d3 url("/assets/yard.webp") center 36%/cover no-repeat}
.yard::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(#fdfcf94d,#f5f1e91a);pointer-events:none}
.yard-label{position:absolute;left:14px;top:12px;background:var(--bg);border:1px solid #d3cec0;padding:5px 8px;color:var(--accent-dark);font:10px/1.3 var(--mono);text-transform:uppercase}
.yard-hub,.yard-station{position:absolute;transform:translate(-50%,-50%);display:flex;align-items:center;gap:12px;box-shadow:2px 3px 0 #182a4333;padding:10px 12px;min-width:130px}
.yard-hub{top:32%;left:50%;padding:13px 18px;min-width:175px}
.yard-hub .brand-mark{width:40px;height:40px}
.yard-hub b{display:block;font:23px/1.1 var(--pixel);margin:5px 0}
.yard-hub small,.yard-station small{display:block;color:var(--muted);font:10px/1.2 var(--mono)}
.yard-hub small:first-child{width:max-content;color:white}
.yard-station{background:var(--bg);max-width:29%}
.yard-station b{font:700 13px/1.2 var(--sans);display:block}
.yard-station small{margin-top:4px}
.yard-station:nth-child(1){top:59%;left:18%}
.yard-station:nth-child(2){top:59%;left:82%}
.yard-station:nth-child(3){top:84%;left:50%}
.yard-rails{position:absolute;inset:0;z-index:-1}
.rail{position:absolute;display:block;color:#52617a;background:repeating-linear-gradient(0deg,transparent 0 10px,#657088 10px 12px,transparent 12px 15px);border-inline:2px solid currentColor;width:11px;transform:translateX(-50%)}
.rail-spine{left:50%;top:9%;height:52%}
.rail-cross{left:18%;width:64%;height:11px;top:54%;transform:none;border:0;border-block:2px solid currentColor;background:repeating-linear-gradient(90deg,transparent 0 10px,#657088 10px 12px,transparent 12px 15px)}
.rail-left{left:18%;top:54%;height:9%}
.rail-right{left:82%;top:54%;height:9%}
.rail-south{left:50%;top:55%;height:30%}
.track-signal{position:absolute;z-index:1;top:calc(54% + 5px);left:50%;width:16px;height:7px;background:#243f64;border:1px solid #fff4c8;box-shadow:0 0 6px #f7d583;transform:translate(-50%,-50%);animation:track-crossing 10s ease-in-out infinite}
@keyframes track-crossing{0%,100%{left:18%;opacity:0}10%,90%{opacity:1}50%{left:82%}}
@media(prefers-reduced-motion:reduce){.track-signal{animation:none}}
.map-caption{display:flex;justify-content:space-between;gap:12px;margin:10px 0 15px;color:var(--muted);font:11px/1.5 var(--mono)}
.map-caption a,.back-link,.dialog-link{color:var(--accent)}
.station-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}
.station-list button,.draft-card button{display:flex;align-items:center;gap:10px;background:var(--paper);border:1px solid var(--line);border-radius:6px;text-align:left;padding:9px;color:var(--ink);min-width:0}
.station-list .station-icon{width:37px;height:37px}
.station-list button:hover,.draft-card button:hover{border-color:var(--accent)}
.station-list small,.draft-card small{display:block;color:var(--muted);font:10px/1.3 var(--mono)}
.empty{color:var(--muted);font-size:14px;grid-column:1/-1}
.back-link{font:12px/1.5 var(--mono)}
.draft-actions,.draft-card-actions{display:flex;gap:5px;flex-wrap:wrap;align-items:center}
.optional,.muted,#launch-status{color:var(--muted);font-size:13px;font-weight:400}
#launch-status:empty{display:none}
.fixed-pair{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 0;border-block-start:1px solid var(--line);font:13px/1.3 var(--mono)}
.fixed-pair b{display:flex;align-items:center;gap:8px;color:var(--accent)}
.fixed-pair .brand-mark{width:24px;height:24px}
.draft-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:5px;margin:0 0 8px}
.draft-card-actions button{background:var(--bg);padding:7px;font:11px/1.3 var(--mono)}
.amounts button:hover,.amounts button[aria-pressed="true"]{color:var(--accent-dark);border-color:var(--accent)}
.amounts button[aria-pressed="true"]{background:#e1e9f2}
.footer{border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 0;color:var(--muted);font-size:13px}
.footer .brand{font-size:20px;color:var(--ink)}
dialog{width:min(445px,calc(100% - 30px));border:1px solid var(--accent);padding:0;background:var(--bg);color:var(--ink);box-shadow:4px 4px 0 var(--accent-dark)}
dialog::backdrop{background:#17233272}
.dialog-heading{padding:12px 16px;border-bottom:1px solid var(--line);display:flex;gap:10px;align-items:center}
.dialog-heading form{margin-left:auto}
.dialog-heading h2{font-size:24px;line-height:1.2;overflow-wrap:anywhere}
.dialog-heading button{border:1px solid var(--line);background:var(--paper);width:30px;height:30px}
#station-detail{padding:15px 16px;display:grid;gap:12px;overflow-wrap:anywhere}

@media(max-width:760px){
  .shell{width:calc(100% - 32px)}
  .header-row{gap:10px;flex-wrap:wrap;padding-block:9px}
  .top-nav{order:2;width:100%;gap:12px;overflow-x:auto;padding-bottom:1px}
  .hero{min-height:460px;padding-block:32px 34px}
  .hero-content>p:not(.hero-label){max-width:510px}
  .network-explainer{padding-block:44px;gap:35px;grid-template-columns:1fr}
  .yard{min-height:380px}
  .yard-station{min-width:0;gap:6px;padding:6px}
  .station-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  section[id]{scroll-margin-top:105px}
}
@media(max-width:470px){
  .hero{min-height:430px}
  .hero h1{font-size:clamp(38px,10vw,52px)}
  .network-summary div{padding:11px 8px}
  .network-summary dd{font-size:34px}
  .network-summary dt{letter-spacing:.02em}
  .explore-heading{align-items:start;flex-direction:column}
  .pair-branches{gap:5px}
  .pair-branches button{padding:4px;gap:4px;font-size:10px}
  .pair-branches .station-icon,.yard-station .station-icon{width:20px;height:20px;font-size:13px}
  .yard-station b{font-size:11px}
  .yard-station small{font-size:9px}
  .yard-hub{min-width:140px;padding:8px 12px}
  .footer{align-items:start;flex-direction:column}
}