:root{
  --board:#0c1420; --panel:#121c2b; --copper:#e0913f; --gold:#f0b64d;
  --silk:#e8eef6; --teal:#2fb3a3; --alert:#e5534b; --hair:#243349;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background-color:var(--board);color:var(--silk);
  font-family:var(--sans);font-size:16px;line-height:1.68;
  background-image:
    linear-gradient(rgba(47,179,163,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(47,179,163,.045) 1px,transparent 1px);
  background-size:30px 30px;
}
a{color:var(--gold)}
a:hover{color:var(--copper)}
img{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 18px}
.skip{position:absolute;left:-9999px;top:0;background:var(--gold);color:#0a1220;padding:8px 12px;z-index:50}
.skip:focus{left:8px;top:8px}
/* ---------- NAV: pin-header pad strip ---------- */
.padstrip{display:flex;flex-wrap:wrap;gap:5px;padding:12px 6px;border-top:2px solid var(--hair);
  border-bottom:2px solid var(--hair);background:linear-gradient(180deg,#0e1826,#0b111c)}
.pad{position:relative;width:76px;padding:4px 3px 7px;text-decoration:none;text-align:center;
  font-family:var(--mono);border-radius:3px}
.padpin{display:block;font-size:9px;letter-spacing:.1em;color:var(--teal);opacity:.85}
.padsq{position:relative;width:26px;height:26px;margin:4px auto;border:1px solid var(--gold);
  border-radius:2px;background:radial-gradient(circle at 50% 40%,#16243a 40%,#0a1220 100%);
  transition:transform .12s ease}
.padsq::after{content:'';position:absolute;inset:6px;border-radius:1px;
  background:var(--hair);border:1px solid rgba(240,182,77,.35);transition:background .12s ease}
.padlbl{display:block;font-size:9.5px;letter-spacing:.02em;text-transform:uppercase;line-height:1.15;color:#a9b8cc}
.pad:hover .padsq,.pad:focus .padsq{transform:translateY(-2px)}
.pad:hover .padsq::after,.pad:focus .padsq::after{background:var(--gold);box-shadow:0 0 7px rgba(240,182,77,.65)}
.pad:hover .padlbl{color:var(--silk)}
.pad:hover::after,.pad:focus::after{content:'';position:absolute;left:50%;bottom:-12px;width:2px;
  height:14px;background:linear-gradient(var(--gold),transparent);transform:translateX(-1px)}
.pad.active .padsq::after{background:var(--copper);border-color:var(--gold)}
.pad.active .padlbl{color:var(--silk)}
.pad.active::after{content:'';position:absolute;left:50%;bottom:-12px;width:2px;height:20px;
  background:linear-gradient(var(--copper),transparent);transform:translateX(-1px)}
@media(max-width:720px){
  .padstrip{display:grid;grid-template-columns:1fr 1fr;gap:6px}
  .pad{width:auto}
}
/* ---------- HEADER: silkscreen board panel ---------- */
.boardhead{position:relative;margin:16px 0 20px;padding:16px 18px 18px;background:var(--panel);
  border:1px solid var(--hair);border-radius:5px;box-shadow:inset 0 0 0 1px rgba(240,182,77,.09)}
.boardhead::before{content:'';position:absolute;inset:7px;border:1px dashed rgba(232,238,246,.16);
  pointer-events:none;border-radius:3px}
.boardtop{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-family:var(--mono)}
.bid{font-size:11px;letter-spacing:.14em;color:var(--gold);text-transform:uppercase}
.leds{display:flex;gap:14px;font-size:10px;color:#9fb0c4;letter-spacing:.08em}
.led{display:inline-flex;align-items:center;gap:5px}
.led i{width:9px;height:9px;border-radius:50%;display:inline-block}
.led-on i{background:#4ad06a;box-shadow:0 0 8px #4ad06a}
.led-amb i{background:var(--gold);box-shadow:0 0 8px var(--gold)}
.wave{display:flex;height:36px;margin:12px 0 4px;padding:2px 0;border-top:1px solid var(--hair);
  border-bottom:1px solid var(--hair)}
.wave i{position:relative;flex:1 1 0;min-width:5px;border-right:1px solid rgba(36,51,73,.55)}
.wave i.hi{box-shadow:inset 0 2px 0 var(--teal)}
.wave i.hi::before{content:'';position:absolute;left:0;top:0;width:2px;height:58%;background:var(--teal)}
.wave i.lo{box-shadow:inset 0 -2px 0 rgba(47,179,163,.45)}
.boardhead h1{font-family:var(--mono);font-size:clamp(20px,3.4vw,30px);line-height:1.25;
  margin:14px 0 6px;letter-spacing:-.01em}
.boardhead .sub{margin:0;color:#c3d0e0;max-width:64ch}
.crumb{margin-top:10px;font-family:var(--mono);font-size:11px;color:#9fb0c4}
.crumb b{color:var(--gold);font-weight:600}
/* ---------- LAYOUT ---------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}
@media(max-width:940px){.layout{grid-template-columns:1fr}}
article{min-width:0}
article p{margin:0 0 15px}
article h2{font-family:var(--mono);font-size:19px;letter-spacing:.01em;margin:4px 0 8px}
article h3{font-family:var(--mono);font-size:15px;color:var(--gold);margin:2px 0 6px}
.mod{position:relative;background:var(--panel);border:1px solid var(--hair);border-radius:3px;
  padding:18px 18px 14px;margin:0 0 20px}
.mod::before,.mod::after{content:'';position:absolute;width:11px;height:11px;border:2px solid var(--copper);opacity:.9}
.mod::before{top:-2px;left:-2px;border-right:0;border-bottom:0}
.mod::after{bottom:-2px;right:-2px;border-left:0;border-top:0}
.pin{display:inline-block;font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--teal);margin-bottom:8px}
.rail .mod{padding:14px}
ul,ol{margin:0 0 15px;padding-left:20px}
li{margin:0 0 6px}
hr{border:0;height:1px;background:linear-gradient(90deg,var(--copper),transparent);margin:18px 0}
figure{margin:0 0 20px}
figure img{display:block;width:100%;height:auto;border:1px solid var(--hair);border-radius:3px}
figcaption{font-family:var(--mono);font-size:11px;color:#9fb0c4;padding-top:7px}
.btn{display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:.08em;
  text-transform:uppercase;padding:11px 16px;margin:4px 8px 4px 0;border:1px solid var(--gold);
  border-radius:2px;color:var(--gold);text-decoration:none;
  background:linear-gradient(180deg,rgba(240,182,77,.14),transparent)}
.btn:hover{background:var(--copper);color:#0a1220}
.kv{display:grid;grid-template-columns:auto 1fr;gap:2px 14px;font-family:var(--mono);font-size:12.5px;
  margin:0 0 14px}
.kv dt{color:var(--teal)}
.kv dd{margin:0;color:var(--silk)}
table{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:12.5px;margin:0 0 14px}
th,td{border:1px solid var(--hair);padding:8px 10px;text-align:left;vertical-align:top}
th{background:#0e1826;color:var(--gold);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase}
td b{color:var(--gold)}
form{display:grid;gap:11px;margin:0}
.field{display:grid;gap:5px}
label{font-family:var(--mono);font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--teal)}
input,select,textarea{background:#0a1220;border:1px solid #35486a;color:var(--silk);
  padding:10px;font-family:var(--mono);font-size:13px;border-radius:2px;width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--gold)}
textarea{min-height:110px;resize:vertical}
.foot{border-top:2px solid var(--hair);margin-top:34px;padding:22px 0 46px;font-family:var(--mono);
  font-size:12px;color:#9fb0c4}
.footgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:18px;margin-bottom:18px}
.foot h4{margin:0 0 8px;font-size:11px;letter-spacing:.12em;color:var(--gold);text-transform:uppercase}
.foot a{color:#c7d4e4;text-decoration:none;display:block;margin:0 0 4px}
.foot a:hover{color:var(--gold)}
.note{border-left:3px solid var(--copper);padding:8px 12px;background:#0e1826;font-size:14px;color:#cfdae8}
.tick{list-style:none;padding-left:0}
.tick li{padding-left:22px;position:relative}
.tick li::before{content:'';position:absolute;left:0;top:.55em;width:9px;height:9px;border:1px solid var(--gold);
  background:var(--panel)}