/* VIADUCT — built from the mark: three colours, hard pixels, notched corners.
   Palette lifted straight out of the logo artwork. */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600;700&display=swap');

:root{
  --paper:#F2F2FA;      /* the white in the mark */
  --card:#FFFFFF;
  --ink:#000000;
  --green:#0CD81C;      /* the green in the mark */
  --green-dk:#07960F;
  --red:#F02D2D;
  --amber:#E0A008;
  --mute:#6A6C78;
  --line:#CFD2E0;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;
  --u:4px;                                   /* one logical pixel */
  --notch: polygon(
     8px 0, calc(100% - 8px) 0, 100% 8px,
     100% calc(100% - 8px), calc(100% - 8px) 100%,
     8px 100%, 0 calc(100% - 8px), 0 8px);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--paper); color:var(--ink);
  font-family:var(--mono); font-size:14px; line-height:1.6;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:32px 32px, 32px 32px;
  background-position:-1px -1px;
}
body::before{ /* fade the grid out so it reads as texture, not a table */
  content:''; position:fixed; inset:0; pointer-events:none; z-index:0;
  background:radial-gradient(ellipse at 50% 0%, rgba(242,242,250,.55), var(--paper) 62%);
}
body > *{ position:relative; z-index:1 }
a{color:inherit}
img{max-width:100%}
.pix{ image-rendering:pixelated }

/* ---------- roadway strip: the mark's centre line, running ---------- */
.road{ height:16px; background:var(--ink); position:relative; overflow:hidden }
.road::after{
  content:''; position:absolute; left:0; right:-48px; top:6px; height:4px;
  background:repeating-linear-gradient(90deg,var(--green) 0 16px,transparent 16px 32px);
  animation:roadrun 1.4s linear infinite;
}
@keyframes roadrun{ from{transform:translateX(0)} to{transform:translateX(32px)} }
@media (prefers-reduced-motion:reduce){ .road::after{animation:none} }

/* ---------- shell ---------- */
.wrap{ max-width:1080px; margin:0 auto; padding:0 20px }
header.top{ background:var(--ink); color:var(--paper) }
.topin{ display:flex; align-items:center; gap:16px; padding:12px 0; flex-wrap:wrap }
.brand{ display:flex; align-items:center; gap:12px; text-decoration:none }
.brand .mk{ width:36px; height:36px; display:block }
.brand .wd{ height:17px; display:block }
nav{ display:flex; gap:2px; margin-left:auto; flex-wrap:wrap }
nav a{
  font-size:11px; text-decoration:none; padding:7px 11px; color:#A7AAB8;
  text-transform:uppercase; letter-spacing:.16em; border:2px solid transparent;
}
nav a:hover{ color:var(--paper) }
nav a[aria-current]{ color:var(--ink); background:var(--green); border-color:var(--green) }

.chip{
  display:inline-flex; align-items:center; gap:8px; font-size:11px; color:#A7AAB8;
  border:2px solid #2A2C36; padding:5px 10px; white-space:nowrap; letter-spacing:.06em;
}
.dot{ width:8px; height:8px; background:var(--green); flex:none }
.dot.live{ animation:blink 1.6s steps(1) infinite }
.dot.bad{ background:var(--red) }
@keyframes blink{ 0%,62%{opacity:1} 63%,100%{opacity:.2} }

/* ---------- type ---------- */
.head{ display:block; width:100%; max-width:520px; height:auto; margin:0 0 22px }
.head.sm{ max-width:330px }
h2{ font-size:19px; font-weight:700; margin:0 0 10px; letter-spacing:.01em }
h3{ font-size:10px; text-transform:uppercase; letter-spacing:.2em; color:var(--mute); margin:0 0 9px; font-weight:600 }
p{ margin:0 0 12px; max-width:62ch }
.lede{ font-size:16px; max-width:56ch; line-height:1.65 }
.mute{ color:var(--mute) } .small{ font-size:12px } .tiny{ font-size:11px; color:var(--mute) }

/* ---------- panels ---------- */
section{ padding:38px 0 }
section + section{ border-top:4px solid var(--ink) }
.panel{ background:var(--card); border:4px solid var(--ink); padding:18px; clip-path:var(--notch) }
.panel.dark{ background:var(--ink); color:var(--paper); border-color:var(--ink) }
.panel.dark h3{ color:#8A8D9B }
.panel + .panel{ margin-top:16px }
.grid2{ display:grid; grid-template-columns:1fr 1fr; gap:16px }
.grid3{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px }
@media (max-width:860px){ .grid2,.grid3{ grid-template-columns:1fr } }

/* dither: classic 2px checker, used as a fill for secondary areas */
.dither{
  background-image:
    linear-gradient(45deg,var(--line) 25%,transparent 25%,transparent 75%,var(--line) 75%),
    linear-gradient(45deg,var(--line) 25%,transparent 25%,transparent 75%,var(--line) 75%);
  background-size:8px 8px; background-position:0 0,4px 4px;
}

/* ---------- controls ---------- */
label{ display:block; font-size:10px; text-transform:uppercase; letter-spacing:.18em; color:var(--mute); margin-bottom:6px }
select,input[type=text]{
  width:100%; font-family:var(--mono); font-size:16px; font-weight:500; padding:11px 12px;
  border:4px solid var(--ink); background:var(--paper); color:var(--ink); border-radius:0;
  appearance:none;
}
select{ background-image:linear-gradient(45deg,transparent 50%,var(--ink) 50%),linear-gradient(135deg,var(--ink) 50%,transparent 50%);
  background-position:calc(100% - 18px) 20px,calc(100% - 12px) 20px; background-size:6px 6px,6px 6px; background-repeat:no-repeat; padding-right:38px }
select:focus,input:focus{ outline:none; border-color:var(--green); box-shadow:0 0 0 4px rgba(12,216,28,.28) }

.btn{
  font-family:var(--mono); font-weight:700; font-size:13px; letter-spacing:.14em; text-transform:uppercase;
  padding:13px 20px; cursor:pointer; border:4px solid var(--ink); background:var(--green); color:var(--ink);
  border-radius:0; box-shadow:6px 6px 0 var(--ink); transition:transform .05s, box-shadow .05s;
}
.btn:hover{ transform:translate(3px,3px); box-shadow:3px 3px 0 var(--ink) }
.btn:active{ transform:translate(6px,6px); box-shadow:0 0 0 var(--ink) }
.btn[disabled]{ background:var(--line); color:var(--mute); cursor:not-allowed; box-shadow:6px 6px 0 var(--line) }

.seg{ display:flex }
.seg button{
  flex:1; font-family:var(--mono); font-size:11px; font-weight:600; text-transform:uppercase; letter-spacing:.14em;
  padding:11px 6px; border:4px solid var(--ink); background:var(--paper); cursor:pointer; margin-left:-4px;
}
.seg button:first-child{ margin-left:0 }
.seg button[aria-pressed=true]{ background:var(--ink); color:var(--green) }

/* ---------- numbers ---------- */
.big{ font-size:38px; font-weight:700; line-height:1; letter-spacing:-.03em }
.num{ font-variant-numeric:tabular-nums; font-feature-settings:'tnum' }
.good{ color:var(--green-dk) } .bad{ color:var(--red) } .warn{ color:var(--amber) }

/* ---------- tables ---------- */
.tblwrap{ overflow-x:auto }
.tbl{ width:100%; border-collapse:collapse; font-size:13px; min-width:540px }
.tbl th{ text-align:left; font-size:9px; text-transform:uppercase; letter-spacing:.18em; color:var(--mute);
  padding:8px; border-bottom:4px solid var(--ink); font-weight:700 }
.tbl td{ padding:9px 8px; border-bottom:2px solid var(--line); vertical-align:middle }
.tbl tr.best td{ background:rgba(12,216,28,.14) }
.tbl tr.trap td{ background:rgba(240,45,45,.09) }
.tbl td.r,.tbl th.r{ text-align:right; font-variant-numeric:tabular-nums }
.tag{ display:inline-block; font-size:9px; font-weight:700; letter-spacing:.16em; text-transform:uppercase;
  border:3px solid var(--ink); padding:2px 6px; white-space:nowrap; background:var(--paper) }
.tag.v4{ background:var(--ink); color:var(--green) }
.tag.best{ background:var(--green) }
.tag.trap{ background:var(--red); color:#fff; border-color:var(--ink) }

/* ---------- route diagram ---------- */
.route{ display:block; width:100%; height:auto }
.route .flow{ stroke-dasharray:8 8; animation:flow 1s linear infinite }
@keyframes flow{ to{ stroke-dashoffset:-16 } }
@media (prefers-reduced-motion:reduce){ .route .flow{animation:none} }

/* ---------- bars ---------- */
.barrow{ display:flex; gap:10px; align-items:center; margin:6px 0 }
.barrow .lbl{ width:130px; flex:none; font-size:11px; color:var(--mute) }
.barrow .track{ flex:1; height:14px; border:2px solid var(--ink); background:var(--paper); position:relative }
.barrow .fill{ position:absolute; inset:0 auto 0 0; background:var(--green) }
.barrow .fill.dust{ background:var(--red) }
.barrow .val{ width:80px; flex:none; text-align:right; font-size:12px; font-variant-numeric:tabular-nums }

/* ---------- misc ---------- */
footer{ padding:28px 0 44px; font-size:11px; color:var(--mute); border-top:4px solid var(--ink) }
footer p{ max-width:76ch }
.cursor::after{ content:''; display:inline-block; width:7px; height:12px; background:var(--ink);
  vertical-align:-1px; margin-left:4px; animation:blink 1s steps(1) infinite }
.stack{ display:flex; gap:12px; flex-wrap:wrap; align-items:center }
.sep{ height:4px; background:var(--ink); margin:18px 0 }
code{ font-family:var(--mono); font-size:12px; background:var(--paper); border:2px solid var(--line); padding:1px 5px; word-break:break-all }

/* ================= HERO · THE JUNCTION ================= */
.hero{ padding-top:30px }
.herotop{ display:grid; grid-template-columns:1fr 330px; gap:28px; align-items:end; margin-bottom:22px }
@media (max-width:900px){ .herotop{ grid-template-columns:1fr; align-items:start } }

.console{ background:var(--card); border:4px solid var(--ink); padding:14px; box-shadow:8px 8px 0 var(--ink) }
.crow{ display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-bottom:10px }
.cfield label{ margin-bottom:4px }
.console select,.console input[type=text]{ font-size:15px; padding:9px 10px; border-width:3px }
.console .seg{ margin-bottom:10px }
.console .seg button{ border-width:3px; padding:9px 4px; font-size:10px }
.btn.block{ width:100%; box-shadow:5px 5px 0 var(--ink) }

/* the screen: an inset device, not a page background */
.screen{ margin:0; border:4px solid var(--ink); background:#07090C; box-shadow:10px 10px 0 var(--ink) }
.bezel{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  padding:8px 12px; background:var(--ink); color:#9BA0AE;
  font-size:11px; letter-spacing:.18em; text-transform:uppercase; font-weight:600;
}
.bezel .scr-l,.bezel .scr-r{ color:var(--green) }
.bezel .scr-mid{ color:#5A6070; letter-spacing:.24em; font-size:10px }
#junction{ display:block; width:100%; height:340px; background:#07090C }
@media (max-width:760px){ #junction{ height:260px } }

.readout{
  display:grid; grid-template-columns:repeat(3,1fr); gap:0;
  background:var(--ink); color:var(--paper); border-top:4px solid var(--ink);
}
.readout > div{ padding:14px 16px; border-left:2px solid #1C2029 }
.readout > div:first-child{ border-left:0 }
.readout h3{ color:#6E7484; margin-bottom:6px }
.readout .big{ font-size:31px }
.readout .tiny{ color:#8A90A0 }
.readout .on{ color:var(--green) }
.readout .off{ color:var(--red) }
@media (max-width:760px){ .readout{ grid-template-columns:1fr }
  .readout > div{ border-left:0; border-top:2px solid #1C2029 }
  .readout > div:first-child{ border-top:0 } }

.tag.thin{ background:#C8960C; color:#000 }

/* contract addresses must stay readable on a phone: this table wraps instead of scrolling */
.tbl.wrapcells{ min-width:0 }
.tbl.wrapcells td, .tbl.wrapcells th{ word-break:break-word }
.tbl.wrapcells code{ word-break:break-all; display:inline-block; max-width:100% }
@media (max-width:640px){
  .tbl.wrapcells thead{ display:none }
  .tbl.wrapcells tr{ display:block; border-bottom:2px solid var(--ink); padding:8px 0 }
  .tbl.wrapcells td{ display:block; border:0; padding:3px 0 }
  .tbl.wrapcells td:first-child{ font-weight:700 }
}