:root {
  --shell-top: #3d3d40;
  --shell-bottom: #212124;
  --panel-face: #3c3c40;
  --panel-low: #333338;
  --tube-glass: #090f0b;

  --ink: #edf0f0;
  --ink-dim: rgba(237, 240, 240, 0.66);
  --ink-faint: rgba(237, 240, 240, 0.6);
  --hairline: rgba(255, 255, 255, 0.08);
  --engraving: rgba(255, 255, 255, 0.6);

  --accent: #73ed9e;
  --phosphor: #59ff8c;
  --display-text: #9ef0cc;
  --display-glass: #1c2926;
  --display-glass-low: #16211e;
  --record-red: #f0382e;

  --bevel-light: rgba(255, 255, 255, 0.3);
  --bevel-dark: rgba(0, 0, 0, 0.45);

  --space-tight: 4px;
  --space-row: 8px;
  --space-vertical: 12px;
  --space-inset: 16px;
  --space-gutter: 20px;
  --space-section: 28px;
  --space-block: clamp(2.75rem, 8vw, 4rem);

  --measure: 40rem;
  --pad: 18px;
  --radius: 6px;
  --corner: superellipse(4);
  --depth: 5px;

  --text-legend: 0.72rem;
  --text-plate: 0.8rem;
  --text-meta: 0.875rem;

  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, "Segoe UI",
    Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--shell-bottom);
  background-image:
    radial-gradient(ellipse 85% 65% at 50% 38%, transparent 25%, rgba(0, 0, 0, 0.5) 100%),
    repeating-conic-gradient(
      from 0deg at 50% 28%,
      rgba(255, 255, 255, 0.032) 0deg 2deg,
      transparent 2deg 5deg
    ),
    linear-gradient(180deg, var(--shell-top) 0%, var(--shell-bottom) 70%);
  background-attachment: fixed;
}

.wrap {
  width: min(100% - 2.5rem, var(--measure));
  margin-inline: auto;
}

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
}

a:hover {
  color: var(--phosphor);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--space-tight);
}

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  position: static;
  display: inline-block;
  margin: var(--space-row);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.raised {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 45%),
    linear-gradient(180deg, var(--panel-face), var(--panel-low));
  box-shadow:
    inset 1px 1px 1px var(--bevel-light),
    inset -1px -1px 1px var(--bevel-dark),
    0 4px 9px rgba(0, 0, 0, 0.55);
}

.recessed {
  background: linear-gradient(180deg, var(--display-glass), var(--display-glass-low));
  box-shadow:
    inset 0 var(--depth) calc(var(--depth) * 2.4) rgba(0, 0, 0, 0.85),
    inset 0 1px 0 rgba(0, 0, 0, 0.9),
    inset 0 -1px 0 rgba(255, 255, 255, 0.1);
}

.legend {
  font-family: var(--sans);
  font-size: var(--text-legend);
  font-weight: 600;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--engraving);
  text-shadow: 0 -0.5px 0 rgba(0, 0, 0, 0.7);
  margin: 0;
}

header.bar {
  border-bottom: 1px solid var(--hairline);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04);
  padding-block: var(--space-inset);
}

footer.bar {
  border-top: 1px solid var(--hairline);
  box-shadow: inset 0 1px 0 rgba(0, 0, 0, 0.4);
  padding-block: var(--space-section);
  color: var(--ink-faint);
  font-size: var(--text-meta);
}

header.bar .wrap,
footer.bar .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-inset);
  align-items: center;
  justify-content: space-between;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-row);
  font-weight: 600;
  font-size: 1rem;
  color: var(--ink);
  text-decoration: none;
}

nav ul,
footer.bar ul {
  display: flex;
  gap: var(--space-gutter);
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--text-meta);
}

nav a,
footer.bar a {
  color: var(--ink-dim);
  text-decoration: none;
}

nav a:hover,
footer.bar a:hover,
nav a[aria-current="page"] {
  color: var(--accent);
}

main {
  padding-block: var(--space-block);
}

h1 {
  margin: 0 0 var(--space-inset);
  font-size: clamp(1.9rem, 5.5vw, 2.75rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.lead {
  margin: 0;
  font-size: clamp(1rem, 2.2vw, 1.1rem);
  color: var(--ink-dim);
}

.badge {
  display: inline-block;
  margin-top: var(--space-section);
  line-height: 0;
}

.badge img {
  width: auto;
  height: 44px;
}

.section {
  margin-top: var(--space-block);
}

.section > .legend {
  display: block;
  margin-bottom: var(--space-vertical);
  padding-left: 2px;
}

.device {
  margin-top: var(--space-block);
  padding: var(--pad);
  border-radius: var(--radius);
}

.readout {
  padding: var(--pad);
  border-radius: var(--radius);
}

.status {
  display: flex;
  align-items: center;
  gap: var(--space-vertical);
  margin: 0 0 var(--space-row);
}

.led {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  flex: none;
  background:
    radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.7), transparent 55%),
    var(--record-red);
  box-shadow: 0 0 5px rgba(240, 56, 46, 0.85);
}

.timecode {
  display: block;
  font-family: var(--mono);
  font-size: clamp(1.75rem, 8.5vw, 3rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--display-text);
  text-shadow: 0 0 11px rgba(158, 240, 204, 0.45);
}

.scope {
  margin-top: var(--pad);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--tube-glass);
}

.scope svg {
  display: block;
  width: 100%;
  height: auto;
}

.specs {
  margin: 0;
  padding: 0 var(--space-inset);
  border-radius: var(--radius);
}

.specs > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-inset);
  padding-block: var(--space-vertical);
  border-top: 1px solid var(--hairline);
}

.specs > div:first-child {
  border-top: 0;
}

.specs dt {
  font-weight: 500;
}

.specs dd {
  margin: 0 0 0 auto;
  text-align: right;
}

.plate {
  --depth: 2px;
  display: inline-block;
  font-family: var(--mono);
  font-size: var(--text-plate);
  font-weight: 600;
  letter-spacing: 0.4px;
  white-space: nowrap;
  color: var(--display-text);
  text-shadow: 0 0 6px rgba(158, 240, 204, 0.3);
  border-radius: var(--radius);
  padding: var(--space-tight) var(--space-row);
}

.plate a {
  color: inherit;
  text-decoration: none;
}

.plate a:hover {
  color: var(--phosphor);
}

.features {
  margin: 0;
}

.features dd {
  margin: var(--space-row) 0 0;
  padding-bottom: var(--space-section);
  border-bottom: 1px solid var(--hairline);
  color: var(--ink-dim);
}

.features dd + dt {
  margin-top: var(--space-section);
}

.features dd:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
}

.prose h2 {
  margin: var(--space-block) 0 var(--space-row);
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.prose p,
.prose dd {
  color: var(--ink-dim);
}

.prose strong {
  color: var(--ink);
}

.stamp {
  font-family: var(--mono);
  font-size: var(--text-meta);
  color: var(--ink-faint);
  margin-top: var(--space-row);
}

dl.faq {
  margin: 0;
}

dl.faq dt {
  font-weight: 600;
  margin-top: var(--space-section);
  color: var(--ink);
}

dl.faq dt:first-child {
  margin-top: 0;
}

dl.faq dd {
  margin: var(--space-row) 0 0;
}

@supports (corner-shape: superellipse(4)) {
  .device,
  .readout,
  .scope,
  .specs,
  .plate {
    corner-shape: var(--corner);
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}