/* ============================================================
   redline — motorsport telemetry register
   Dark instrument cluster. Cool data strokes, one hot accent.
   All fonts self-hosted. No external request of any kind.
   ============================================================ */

@font-face{font-family:"Barlow SC";src:url("fonts/barlow-semi-condensed-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Barlow SC";src:url("fonts/barlow-semi-condensed-500.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Barlow SC";src:url("fonts/barlow-semi-condensed-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Barlow SC";src:url("fonts/barlow-semi-condensed-700.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Plex Mono";src:url("fonts/ibm-plex-mono-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Plex Mono";src:url("fonts/ibm-plex-mono-500.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Plex Mono";src:url("fonts/ibm-plex-mono-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}

:root{
  /* asphalt */
  --void:#07080a;
  --panel:#0f1216;
  --panel-2:#131720;
  /* hairlines */
  --rule:#1c2129;
  --rule-hi:#2a313c;
  /* ink */
  --ink:#e8eef3;
  --ink-2:#9aa7b3;
  --ink-3:#5f6b77;
  /* two hues, and only two */
  --trace:#8fd8ec;          /* cool luminous data stroke */
  --hot:#ff3a1d;            /* THE redline. used sparingly. */
  --hot-dim:rgba(255,58,29,.28);

  --gut:clamp(18px,4vw,44px);
  --rail:210px;
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--void);
  color:var(--ink);
  font-family:"Barlow SC",-apple-system,BlinkMacSystemFont,sans-serif;
  font-size:17px;
  line-height:1.62;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
/* the faint horizon glow of a screen in a dark garage */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(120% 70% at 50% -10%,rgba(143,216,236,.05),transparent 62%),
    radial-gradient(90% 50% at 50% 108%,rgba(255,58,29,.05),transparent 60%);
}
img,svg,canvas{max-width:100%;display:block}

a{color:inherit;text-decoration:none}
p{margin:0 0 1.05rem}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.1;letter-spacing:-.005em}
ul.plain{margin:0 0 1.1rem;padding-left:1.15rem;color:var(--ink-2);max-width:72ch}
ul.plain li{margin-bottom:.5rem}
ul.plain li::marker{color:var(--rule-hi)}

.mono,code,td.num,.num{font-family:"Plex Mono",ui-monospace,monospace;font-variant-numeric:tabular-nums}
code{font-size:.87em;color:var(--trace);background:rgba(143,216,236,.06);padding:1px 5px;border:1px solid var(--rule)}

/* ---- micro label: the language of an instrument panel ---- */
.chan{
  font-family:"Plex Mono",ui-monospace,monospace;
  font-size:10px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;
  color:var(--ink-3);
}
.chan--hot{color:var(--hot)}
.chan--trace{color:var(--trace)}

.skip{position:absolute;left:-9999px;top:0;z-index:99}
.skip:focus{left:8px;top:8px;background:var(--hot);color:#fff;padding:.5rem .9rem;font-size:13px}
:focus-visible{outline:2px solid var(--trace);outline-offset:3px}

/* ============================================================
   TIMING STRIP — the persistent header
   ============================================================ */
.strip{
  position:sticky;top:0;z-index:40;
  background:rgba(7,8,10,.92);
  -webkit-backdrop-filter:blur(9px);backdrop-filter:blur(9px);
  border-bottom:1px solid var(--rule);
}
.strip__in{
  max-width:1400px;margin:0 auto;padding:0 var(--gut);
  display:flex;align-items:stretch;gap:0;min-height:56px;
}
.brand{display:flex;align-items:center;gap:10px;padding-right:22px;border-right:1px solid var(--rule)}
.brand__bar{width:3px;height:19px;background:var(--hot);box-shadow:0 0 9px var(--hot-dim)}
.brand__name{font-weight:700;font-size:20px;letter-spacing:.06em;text-transform:uppercase}
.brand__tick{font-family:"Plex Mono",monospace;font-size:10px;letter-spacing:.16em;color:var(--ink-3);align-self:flex-start;margin-top:13px}

.tabs{display:flex;align-items:stretch;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.tabs::-webkit-scrollbar{display:none}
.tab{
  display:flex;align-items:center;padding:0 18px;
  font-family:"Plex Mono",monospace;font-size:11px;letter-spacing:.15em;text-transform:uppercase;
  color:var(--ink-3);border-bottom:2px solid transparent;white-space:nowrap;
  transition:color .18s ease,border-color .18s ease;
}
.tab:hover{color:var(--ink)}
.tab[aria-current="page"]{color:var(--ink);border-bottom-color:var(--hot)}

.strip__stat{
  margin-left:auto;display:flex;align-items:center;gap:9px;padding-left:20px;border-left:1px solid var(--rule);
  font-family:"Plex Mono",monospace;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);
}
.lamp{width:6px;height:6px;border-radius:50%;background:#c98a2b;box-shadow:0 0 7px rgba(201,138,43,.6);flex:none}
@media (max-width:900px){ .strip__stat{display:none} .brand__tick{display:none} }
/* narrow: tighten the tabs and fade the right edge so it reads as scrollable */
@media (max-width:640px){
  .brand{padding-right:13px}
  .brand__name{font-size:17px}
  .tab{padding:0 13px;font-size:10px;letter-spacing:.12em}
  .strip__in{position:relative}
  .strip__in::after{
    content:"";position:absolute;right:0;top:0;bottom:0;width:34px;pointer-events:none;
    background:linear-gradient(90deg,rgba(7,8,10,0),rgba(7,8,10,.95));
  }
}

/* ============================================================
   LAYOUT
   ============================================================ */
.wrap{max-width:1400px;margin:0 auto;padding:0 var(--gut);position:relative;z-index:1}

/* section with a left channel rail (the structural signature) */
.sect{
  display:grid;grid-template-columns:var(--rail) minmax(0,1fr);gap:0;
  border-top:1px solid var(--rule);
}
.sect__rail{padding:34px 24px 34px 0;border-right:1px solid var(--rule)}
.sect__rail .chan{display:block;margin-bottom:6px}
.sect__rail-no{font-family:"Plex Mono",monospace;font-size:30px;font-weight:500;color:var(--rule-hi);line-height:1}
.sect__body{padding:34px 0 46px 34px;min-width:0}
@media (max-width:880px){
  .sect{grid-template-columns:1fr}
  .sect__rail{border-right:0;padding:26px 0 0;display:flex;align-items:baseline;gap:12px}
  .sect__rail .chan{margin-bottom:0}
  .sect__rail-no{font-size:20px}
  .sect__body{padding:14px 0 34px}
}

h2.head{font-size:clamp(26px,3.4vw,38px);font-weight:600;letter-spacing:-.01em;margin-bottom:.7rem}
h3.sub{font-size:19px;font-weight:600;letter-spacing:.01em;margin:2rem 0 .55rem;color:var(--ink)}
.lede{font-size:clamp(18px,2vw,21px);color:var(--ink-2);line-height:1.56;max-width:62ch}
.body{color:var(--ink-2);max-width:66ch}
.body strong{color:var(--ink);font-weight:600}
em.hot{color:var(--hot);font-style:normal;font-weight:600}

/* ============================================================
   HERO — the instrument cluster
   ============================================================ */
.cluster{position:relative;border-bottom:1px solid var(--rule);overflow:hidden}
.cluster__stage{
  position:relative;height:clamp(390px,58vh,590px);
  background:linear-gradient(180deg,#090b0e 0%,#0b0e12 58%,#080a0c 100%);
}
#gl,.cluster__fallback{position:absolute;inset:0;width:100%;height:100%}
.cluster__fallback{display:flex;align-items:center;justify-content:center;padding:26px 20px 118px}
.cluster__fallback svg{width:min(100%,660px);height:auto}
.cluster__stage::before,.cluster__stage::after{
  content:"";position:absolute;width:26px;height:26px;pointer-events:none;z-index:3;
  border-color:var(--rule-hi);border-style:solid;
}
.cluster__stage::before{left:var(--gut);top:18px;border-width:1px 0 0 1px}
.cluster__stage::after{right:var(--gut);bottom:18px;border-width:0 1px 1px 0}

/* a brief flash of the frame when a detent latches */
.cluster__stage.is-step{box-shadow:inset 0 0 90px rgba(255,58,29,.18)}
.cluster__stage{transition:box-shadow .42s ease}

/* thin progress channel: distance covered on the current lap */
.chanbar{margin-top:11px;width:min(260px,52vw);height:2px;background:var(--rule);overflow:hidden}
.chanbar i{display:block;height:100%;width:0;background:var(--trace);box-shadow:0 0 8px rgba(143,216,236,.5);transition:width .18s linear}
.replay{
  position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);z-index:5;pointer-events:none;
  font-family:"Plex Mono",monospace;font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--ink-3);
  opacity:0;transition:opacity .3s ease;
}
.replay.on{opacity:1}

.cluster__over{position:absolute;left:0;right:0;bottom:0;z-index:4;pointer-events:none;padding:0 var(--gut) 20px}
.cluster__over-in{max-width:1400px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:flex-end;gap:18px 34px}
.readout__val{
  font-family:"Plex Mono",monospace;font-weight:600;font-size:clamp(38px,7vw,64px);line-height:.92;
  color:var(--hot);text-shadow:0 0 26px var(--hot-dim);letter-spacing:-.02em;
}
.readout__val--cool{color:var(--trace);text-shadow:0 0 22px rgba(143,216,236,.25)}
.readout__sub{margin-top:8px}
.disclaim{
  margin-left:auto;max-width:36ch;font-family:"Plex Mono",monospace;font-size:10.5px;line-height:1.65;
  letter-spacing:.03em;color:var(--ink-3);text-align:right;border-right:2px solid var(--rule-hi);padding-right:11px;
}
/* narrow: the readout leaves the stage and becomes a strip beneath it, so
   the instrument gets the whole frame instead of fighting the text */
@media (max-width:760px){
  .cluster__stage{height:clamp(290px,42vh,380px)}
  .cluster__over{position:static;padding:16px var(--gut) 20px;background:var(--panel);border-top:1px solid var(--rule)}
  .disclaim{margin-left:0;text-align:left;border-right:0;border-left:2px solid var(--rule-hi);padding:0 0 0 11px;max-width:none}
  .cluster__stage::before{top:12px}
  .cluster__stage::after{bottom:12px}
}

.masthead{padding:44px 0 34px;border-bottom:1px solid var(--rule)}
h1.title{
  font-size:clamp(38px,7.4vw,84px);font-weight:700;line-height:.95;letter-spacing:-.025em;
  text-transform:uppercase;margin-bottom:.55rem;
}
h1.title .thin{font-weight:400;color:var(--ink-2)}
h1.title .hot{color:var(--hot)}
h1.page{font-size:clamp(32px,5.6vw,60px);font-weight:700;text-transform:uppercase;letter-spacing:-.02em;line-height:1;margin:.5rem 0 .9rem}

/* ============================================================
   PANELS / TABLES — sector timing language
   ============================================================ */
.tablewrap{overflow-x:auto;border:1px solid var(--rule);background:var(--panel);margin:22px 0}
table{border-collapse:collapse;width:100%;min-width:540px}
caption{caption-side:top;text-align:left;padding:11px 16px;border-bottom:1px solid var(--rule);background:var(--panel-2);
  font-family:"Plex Mono",monospace;font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-2)}
th{
  text-align:left;padding:9px 16px;border-bottom:1px solid var(--rule-hi);
  font-family:"Plex Mono",monospace;font-size:10px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);
  white-space:nowrap;
}
td{padding:11px 16px;border-bottom:1px solid var(--rule);font-size:15.5px;color:var(--ink-2);vertical-align:top}
tbody tr:last-child td{border-bottom:0}
td.num{color:var(--ink);font-size:15px;white-space:nowrap}
td.lane{font-family:"Plex Mono",monospace;font-size:12px;color:var(--ink-3);border-left:2px solid var(--rule-hi);white-space:nowrap}
tr.is-open td.lane{border-left-color:var(--hot);color:var(--hot)}
tr.is-open td.num{color:var(--hot)}
tr.is-floor td.lane{border-left-color:var(--trace);color:var(--trace)}
tr.is-floor td.num{color:var(--trace)}
tr:hover td{background:rgba(143,216,236,.025)}

/* the ladder strip */
.ladder{display:grid;grid-template-columns:repeat(5,1fr);gap:2px;margin:24px 0 8px}
.rung{background:var(--panel);border:1px solid var(--rule);padding:15px 13px;position:relative;overflow:hidden}
.rung__bar{position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--rule-hi)}
.rung:nth-child(1) .rung__bar{background:var(--hot);box-shadow:0 0 12px var(--hot-dim)}
.rung:nth-child(2) .rung__bar{background:#d1502a}
.rung:nth-child(3) .rung__bar{background:#9a7a55}
.rung:nth-child(4) .rung__bar{background:#6a9a9c}
.rung:nth-child(5) .rung__bar{background:var(--trace);box-shadow:0 0 12px rgba(143,216,236,.3)}
.rung__fee{font-family:"Plex Mono",monospace;font-size:clamp(19px,2.6vw,26px);font-weight:600;color:var(--ink);line-height:1;margin:6px 0 4px}
.rung:nth-child(1) .rung__fee{color:var(--hot)}
.rung:nth-child(5) .rung__fee{color:var(--trace)}
.rung__n{font-size:13.5px;color:var(--ink-3);line-height:1.4}
@media (max-width:760px){ .ladder{grid-template-columns:repeat(2,1fr)} }
@media (max-width:420px){ .ladder{grid-template-columns:1fr} }

/* three steps */
.steps{list-style:none;padding:0;margin:26px 0 0;counter-reset:s;border-top:1px solid var(--rule)}
.steps li{counter-increment:s;display:grid;grid-template-columns:66px minmax(0,1fr);column-gap:20px;row-gap:2px;align-items:start;padding:20px 0;border-bottom:1px solid var(--rule)}
.steps li::before{grid-column:1;grid-row:1;content:counter(s,decimal-leading-zero);font-family:"Plex Mono",monospace;font-size:26px;font-weight:500;color:var(--rule-hi);line-height:1}
.steps b{grid-column:2;display:block;color:var(--ink);font-weight:600;font-size:18px;margin-bottom:.25rem}
.steps span{grid-column:2;color:var(--ink-2);font-size:16px;max-width:66ch}
@media (max-width:560px){ .steps li{grid-template-columns:44px minmax(0,1fr);column-gap:14px} .steps li::before{font-size:20px} }

/* fact grid */
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));border:1px solid var(--rule);background:var(--panel);margin:24px 0}
.fact{padding:18px 20px;border-right:1px solid var(--rule)}
.fact:last-child{border-right:0}
.fact__v{font-family:"Plex Mono",monospace;font-size:23px;font-weight:600;color:var(--ink);margin:7px 0 3px;line-height:1.1}
.fact__v.hot{color:var(--hot)}
.fact__v.trace{color:var(--trace)}
.fact__n{font-size:14px;color:var(--ink-3);line-height:1.45}
@media (max-width:640px){ .fact{border-right:0;border-bottom:1px solid var(--rule)} .fact:last-child{border-bottom:0} }

/* callout */
.note{border-left:2px solid var(--rule-hi);padding:2px 0 2px 18px;margin:24px 0;color:var(--ink-2);font-size:15.5px;max-width:66ch;line-height:1.6}
.note--hot{border-left-color:var(--hot)}
.note--trace{border-left-color:var(--trace)}
.note b{color:var(--ink);font-weight:600}

.src{display:inline-block;font-family:"Plex Mono",monospace;font-size:10.5px;letter-spacing:.05em;color:var(--ink-3);border:1px solid var(--rule);padding:2px 7px;margin-top:8px}

/* pre-launch status block */
.status{border:1px solid var(--rule);background:var(--panel);display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin:24px 0}
.status__cell{padding:20px 22px;border-right:1px solid var(--rule)}
.status__cell:last-child{border-right:0}
.status__v{font-family:"Plex Mono",monospace;font-size:15px;color:var(--ink);margin-top:8px;word-break:break-word;line-height:1.5}
.status__v--pending{color:var(--ink-3)}
@media (max-width:680px){ .status__cell{border-right:0;border-bottom:1px solid var(--rule)} .status__cell:last-child{border-bottom:0} }

/* inline diagram */
.diagram{border:1px solid var(--rule);background:var(--panel);padding:24px 18px 18px;margin:26px 0}
.diagram svg{width:100%;height:auto}
.diagram figcaption{margin-top:16px;font-family:"Plex Mono",monospace;font-size:10.5px;letter-spacing:.04em;color:var(--ink-3);line-height:1.65}

/* pager */
.pager{display:flex;flex-wrap:wrap;gap:1px;background:var(--rule);border:1px solid var(--rule);margin:8px 0 58px}
.pager a{flex:1 1 240px;background:var(--panel);padding:20px 22px;transition:background .18s ease}
.pager a:hover{background:var(--panel-2)}
.pager b{display:block;font-size:19px;font-weight:600;color:var(--ink);margin-top:7px}
.pager span{font-size:14.5px;color:var(--ink-3)}

footer.foot{border-top:1px solid var(--rule);padding:32px 0 46px;color:var(--ink-3);font-size:14px}
.foot__in{display:flex;flex-wrap:wrap;gap:18px 34px;align-items:baseline}
.foot a{color:var(--ink-2);border-bottom:1px solid var(--rule-hi)}
.foot a:hover{color:var(--hot);border-bottom-color:var(--hot)}
.foot__note{max-width:62ch;line-height:1.65}

/* reveal — measured, never bouncy */
.rv{opacity:0;transform:translateY(10px);transition:opacity .55s ease,transform .55s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}