/* Hotplug — workshop bench. Not a SaaS gradient. */
:root {
  --bg: #070908;
  --bg-lift: #0c0f0d;
  --panel: #101412;
  --panel-2: #161b18;
  --inset: #0a0d0b;
  --line: #2a332c;
  --line-bright: #3d4a40;
  --phosphor: #5dff8a;
  --phosphor-dim: #1a4a2a;
  --phosphor-glow: rgba(93, 255, 138, 0.35);
  --amber: #e8a317;
  --amber-dim: #4a3510;
  --hot: #ff5a3c;
  --hot-dim: #4a1a12;
  --steel: #9aa89e;
  --paper: #e6efe8;
  --mute: #6b786f;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Consolas", monospace;
  --max: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(93, 255, 138, 0.05), transparent 50%),
    radial-gradient(800px 400px at 100% 0%, rgba(232, 163, 23, 0.04), transparent 45%),
    var(--bg);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  letter-spacing: 0.01em;
}
body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.5), transparent 70%);
  z-index: 0;
}

a { color: var(--phosphor); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
img, video, canvas { max-width: 100%; display: block; }
button, input, select { font-family: inherit; }

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* Header — rack faceplate */
.rack {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #121714 0%, #0c0f0d 100%);
  position: sticky;
  top: 0;
  z-index: 20;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}
.rack-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--paper);
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 36px;
  height: 36px;
  border: 1px solid var(--phosphor);
  border-radius: 4px;
  display: grid;
  place-items: center;
  box-shadow: 0 0 12px var(--phosphor-glow);
  background: var(--inset);
}
.brand-mark span {
  width: 18px;
  height: 6px;
  border: 1px solid var(--phosphor);
  border-radius: 1px;
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  padding: 0 2px;
}
.brand-mark i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--phosphor);
  display: block;
  box-shadow: 0 0 6px var(--phosphor);
}
.brand-name {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0.18em;
  line-height: 1;
  font-weight: 600;
}
.brand-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--mute);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 2px;
}
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 2px;
  justify-content: flex-end;
}
.nav a {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
  padding: 6px 9px;
  border: 1px solid transparent;
  text-decoration: none;
}
.nav a:hover, .nav a[aria-current="page"] {
  color: var(--phosphor);
  border-color: var(--line);
  background: var(--inset);
  text-decoration: none;
}

/* Hero */
.hero {
  padding: 56px 0 28px;
}
.kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 12px;
}
.hero h1, .page-head h1 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 0.95;
  margin: 0 0 16px;
  font-size: clamp(42px, 8vw, 84px);
}
.lede {
  font-size: 18px;
  color: var(--steel);
  max-width: 62ch;
  margin: 0 0 28px;
}
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.led {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.led::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--phosphor);
  box-shadow: 0 0 8px var(--phosphor);
}
.led.warn::before { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.led.hot::before { background: var(--hot); box-shadow: 0 0 8px var(--hot); }
.led.off::before { background: var(--line); box-shadow: none; }

/* Chassis panels */
.chassis {
  background: var(--panel);
  border: 1px solid var(--line);
  position: relative;
  box-shadow: var(--shadow);
}
.chassis::before, .chassis::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border: 1px solid var(--line-bright);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #3a4440, #0a0d0b);
}
.chassis::before { top: 8px; left: 8px; }
.chassis::after { top: 8px; right: 8px; }
.chassis-body { padding: 28px 28px 24px; }
.plate-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
  margin: 0 0 8px;
}

/* Tool grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  padding: 8px 0 48px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 22px 22px 18px;
  display: flex;
  flex-direction: column;
  min-height: 220px;
  text-decoration: none;
  color: inherit;
  position: relative;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.card:hover {
  border-color: var(--phosphor);
  transform: translateY(-2px);
  box-shadow: 0 0 24px var(--phosphor-glow);
  text-decoration: none;
  color: inherit;
}
.card h2 {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 8px 0 10px;
}
.card p {
  color: var(--steel);
  margin: 0 0 16px;
  flex: 1;
  font-size: 14.5px;
}
.card .go {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--phosphor);
}
.card .sn {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--mute);
  letter-spacing: 0.14em;
}

/* Buttons */
.btn {
  appearance: none;
  border: 1px solid var(--phosphor);
  background: var(--phosphor-dim);
  color: var(--phosphor);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 12px 18px;
  cursor: pointer;
  box-shadow: inset 0 0 12px rgba(93,255,138,0.12);
}
.btn:hover { background: #1f5c32; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.amber {
  border-color: var(--amber);
  background: var(--amber-dim);
  color: var(--amber);
  box-shadow: inset 0 0 12px rgba(232,163,23,0.12);
}
.btn.hot {
  border-color: var(--hot);
  background: var(--hot-dim);
  color: var(--hot);
}
.btn.ghost {
  background: transparent;
  border-color: var(--line-bright);
  color: var(--steel);
  box-shadow: none;
}
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0; }

/* Readouts */
.readout {
  font-family: var(--font-mono);
  background: var(--inset);
  border: 1px solid var(--line);
  padding: 12px 14px;
  color: var(--phosphor);
  letter-spacing: 0.04em;
}
.readout.lg { font-size: 28px; }
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin: 16px 0;
}
.stat {
  background: var(--inset);
  border: 1px solid var(--line);
  padding: 12px 14px;
}
.stat b {
  display: block;
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--phosphor);
  letter-spacing: 0.04em;
  line-height: 1;
}
.stat span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}

/* Meter */
.meter-wrap { margin: 16px 0; }
.meter {
  height: 18px;
  background: var(--inset);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.meter-fill {
  height: 100%;
  width: 0%;
  background: repeating-linear-gradient(
    90deg,
    var(--phosphor) 0 6px,
    transparent 6px 8px
  );
  box-shadow: 0 0 12px var(--phosphor-glow);
  transition: width 0.06s linear;
}
.meter-fill.hot {
  background: repeating-linear-gradient(90deg, var(--hot) 0 6px, transparent 6px 8px);
}
.wave {
  width: 100%;
  height: 120px;
  background: var(--inset);
  border: 1px solid var(--line);
  display: block;
}

/* Keyboard */
.kb {
  display: flex;
  flex-direction: column;
  gap: 6px;
  user-select: none;
}
.kb-row {
  display: flex;
  gap: 6px;
  justify-content: center;
}
.key {
  min-width: 42px;
  height: 42px;
  background: var(--panel-2);
  border: 1px solid var(--line-bright);
  border-radius: 3px;
  color: var(--steel);
  font-family: var(--font-mono);
  font-size: 11px;
  display: grid;
  place-items: center;
  padding: 0 6px;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,0.4);
}
.key.wide { min-width: 72px; }
.key.space { min-width: 280px; }
.key.lit {
  background: var(--phosphor-dim);
  border-color: var(--phosphor);
  color: var(--phosphor);
  box-shadow: 0 0 14px var(--phosphor-glow), inset 0 0 10px rgba(93,255,138,0.2);
}

/* Typing */
.prompt {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.7;
  background: var(--inset);
  border: 1px solid var(--line);
  padding: 20px;
  min-height: 140px;
  word-break: break-word;
}
.prompt .ok { color: var(--phosphor); }
.prompt .bad { color: var(--hot); background: var(--hot-dim); }
.prompt .cur {
  border-bottom: 2px solid var(--amber);
  color: var(--paper);
}
.type-input {
  width: 100%;
  margin-top: 12px;
  background: var(--inset);
  border: 1px solid var(--line-bright);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 18px;
  padding: 14px;
  outline: none;
}
.type-input:focus { border-color: var(--phosphor); }

/* CPS pad */
.hitpad {
  width: 100%;
  min-height: 280px;
  background: radial-gradient(circle at 50% 40%, #1a2a1e, var(--inset));
  border: 2px solid var(--line);
  color: var(--phosphor);
  font-family: var(--font-display);
  font-size: 48px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  user-select: none;
}
.hitpad:active { border-color: var(--phosphor); background: #1a3a24; }
.hitpad.armed { border-color: var(--amber); color: var(--amber); }
.hitpad.running { border-color: var(--phosphor); }

/* Mouse canvas */
.trail {
  width: 100%;
  height: 320px;
  background: var(--inset);
  border: 1px solid var(--line);
  cursor: crosshair;
  touch-action: none;
}
.mouse-btns { display: flex; gap: 10px; margin: 12px 0; }
.mbtn {
  flex: 1;
  padding: 16px;
  text-align: center;
  border: 1px solid var(--line);
  background: var(--panel-2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
}
.mbtn.on {
  border-color: var(--phosphor);
  color: var(--phosphor);
  background: var(--phosphor-dim);
}

/* Webcam */
.cam-frame {
  background: #000;
  border: 1px solid var(--line);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}
.cam-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.cam-frame.mirror video { transform: scaleX(-1); }
.cam-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--mute);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Prose */
.prose { max-width: 72ch; }
.prose h2 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 28px;
  margin: 32px 0 10px;
}
.prose h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 20px;
  margin: 24px 0 8px;
}
.prose p, .prose li { color: var(--steel); }
.prose ul { padding-left: 1.2em; }
.page-head { padding: 40px 0 8px; }
.page-head p { color: var(--steel); max-width: 68ch; }

.split {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 24px;
  padding-bottom: 48px;
}
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
  .nav { display: none; }
  .nav.open { display: flex; position: absolute; top: 64px; left: 0; right: 0; background: var(--panel); border-bottom: 1px solid var(--line); padding: 12px; flex-direction: column; }
  .menu-btn { display: inline-flex !important; }
  .key { min-width: 28px; height: 32px; font-size: 9px; }
  .key.space { min-width: 120px; }
  .key.wide { min-width: 48px; }
}
.menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--phosphor);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  padding: 8px 10px;
  cursor: pointer;
}

.aside {
  border: 1px dashed var(--line);
  padding: 16px;
  color: var(--mute);
  font-size: 13px;
  min-height: 240px;
}
.aside h3 {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
  margin: 0 0 8px;
}

.status {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
  margin: 8px 0 0;
  min-height: 1.4em;
}
.status.ok { color: var(--phosphor); }
.status.bad { color: var(--hot); }

.faq { margin: 32px 0; }
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--paper);
}
.faq p { color: var(--steel); margin: 8px 0 0; }

footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 48px;
  color: var(--mute);
  font-family: var(--font-mono);
  font-size: 12px;
  position: relative;
  z-index: 1;
}
.foot-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
}
.foot-links { display: flex; flex-wrap: wrap; gap: 14px; }
.foot-links a { color: var(--steel); }

.guides-list { list-style: none; padding: 0; }
.guides-list a {
  display: block;
  border: 1px solid var(--line);
  padding: 16px 18px;
  margin-bottom: 10px;
  color: inherit;
  text-decoration: none;
  background: var(--panel);
}
.guides-list a:hover { border-color: var(--phosphor); }
.guides-list strong {
  display: block;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 20px;
}

.warn-banner {
  border: 1px solid var(--amber);
  background: var(--amber-dim);
  color: var(--amber);
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  margin: 0 0 16px;
}

.form label { display: block; margin: 12px 0 4px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--mute); }
.form input, .form textarea {
  width: 100%;
  background: var(--inset);
  border: 1px solid var(--line);
  color: var(--paper);
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 14px;
}
.form textarea { min-height: 120px; resize: vertical; }

.seg {
  display: inline-flex;
  border: 1px solid var(--line);
}
.seg button {
  background: transparent;
  border: 0;
  border-right: 1px solid var(--line);
  color: var(--steel);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 10px 14px;
  cursor: pointer;
}
.seg button:last-child { border-right: 0; }
.seg button.on {
  background: var(--phosphor-dim);
  color: var(--phosphor);
}