/* Wirebench site — oscilloscope-bench theme, ported from the app's
   ScopeColors tokens so the web pages read as the same product. */

:root {
  --bg: #0a0e0f;
  --surface: #11181a;
  --surface-high: #16201f;
  --surface-highest: #1b2826;
  --cyan: #19e3e3;
  --cyan-bright: #2bf5f5;
  --lime: #b6f221;
  --lime-bright: #cbff3d;
  --outline: #1e2a2c;
  --outline-strong: #2c3d3f;
  --fg: #c9d6d6;
  --fg-dim: #6e8585;
  --fg-faint: #42595a;
  --ok: #35e07f;

  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --display: Orbitron, var(--mono);
  --arabic: Cairo, var(--sans);

  --measure: 68ch;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  /* The scope grid: two hairline rulings over the charcoal ground. */
  background-image:
    linear-gradient(var(--outline) 1px, transparent 1px),
    linear-gradient(90deg, var(--outline) 1px, transparent 1px);
  background-size: 44px 44px;
  background-position: -1px -1px;
}

/* A soft cyan bloom at the top, like the trace glow in the app. */
body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto 0;
  height: 420px;
  background: radial-gradient(
    60% 100% at 50% 0%,
    rgba(25, 227, 227, 0.11),
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 20px 96px;
}

/* ---- header ---- */

header.site {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--outline-strong);
  margin-bottom: 40px;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  text-shadow: 0 0 18px rgba(25, 227, 227, 0.35);
}

.brand span.mark {
  color: var(--lime);
  font-family: var(--mono);
  font-size: 20px;
}

.tagline {
  margin: 14px 0 0;
  color: var(--fg-dim);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

nav.site {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

nav.site a {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--fg-dim);
  text-decoration: none;
  padding: 7px 13px;
  border: 1px solid var(--outline-strong);
  border-radius: 4px;
  background: var(--surface);
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

nav.site a:hover,
nav.site a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--surface-high);
}

nav.site a[aria-current="page"] {
  color: var(--bg);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---- type ---- */

h1 {
  font-family: var(--display);
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: #e8f4f4;
  margin: 0 0 10px;
}

h2 {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lime);
  margin: 48px 0 14px;
  padding-top: 22px;
  border-top: 1px solid var(--outline);
}

h2:first-of-type { border-top: 0; padding-top: 0; margin-top: 36px; }

h3 {
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 600;
  color: #e8f4f4;
  margin: 28px 0 8px;
}

p { margin: 0 0 16px; }

a { color: var(--cyan); text-decoration-color: var(--outline-strong); }
a:hover { color: var(--cyan-bright); text-decoration-color: currentColor; }

strong { color: #e8f4f4; font-weight: 600; }

ul { margin: 0 0 16px; padding-inline-start: 22px; }
li { margin-bottom: 9px; }
li::marker { color: var(--lime); }

code, .mono { font-family: var(--mono); font-size: 0.92em; color: var(--lime-bright); }

hr {
  border: 0;
  border-top: 1px solid var(--outline-strong);
  margin: 44px 0;
}

/* ---- readout: the app's signature label/value strip ---- */

.readout {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  background: var(--outline);
  border: 1px solid var(--outline-strong);
  border-radius: 6px;
  overflow: hidden;
  margin: 0 0 28px;
}

.readout div {
  flex: 1 1 150px;
  background: var(--surface);
  padding: 13px 16px;
}

.readout dt,
.readout .k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-faint);
  margin-bottom: 3px;
}

.readout dd,
.readout .v {
  margin: 0;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--cyan);
}

/* ---- callout ---- */

.note {
  border: 1px solid var(--outline-strong);
  border-inline-start: 3px solid var(--lime);
  background: var(--surface);
  border-radius: 4px;
  padding: 16px 18px;
  margin: 0 0 24px;
}

.note p:last-child { margin-bottom: 0; }

.note.cyan { border-inline-start-color: var(--cyan); }

/* ---- table ---- */

.table-scroll { overflow-x: auto; margin: 0 0 24px; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  border: 1px solid var(--outline-strong);
  background: var(--surface);
}

th, td {
  text-align: start;
  padding: 11px 14px;
  border-bottom: 1px solid var(--outline);
  vertical-align: top;
}

th {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-faint);
  background: var(--surface-high);
  white-space: nowrap;
}

tbody tr:last-child td { border-bottom: 0; }

/* ---- FAQ ---- */

details {
  border: 1px solid var(--outline-strong);
  border-radius: 6px;
  background: var(--surface);
  margin-bottom: 10px;
  overflow: hidden;
}

summary {
  cursor: pointer;
  padding: 15px 18px;
  font-weight: 600;
  color: #e8f4f4;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
}

summary::-webkit-details-marker { display: none; }

summary::after {
  content: "+";
  font-family: var(--mono);
  color: var(--cyan);
  font-size: 18px;
  flex: none;
}

details[open] summary::after { content: "\2212"; }
details[open] summary { border-bottom: 1px solid var(--outline); }

details .body { padding: 16px 18px 4px; }

/* ---- buttons ---- */

.actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 28px; }

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 14px;
  padding: 12px 20px;
  border-radius: 5px;
  text-decoration: none;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  background: transparent;
  transition: background 0.15s, color 0.15s;
}

.btn:hover { background: rgba(25, 227, 227, 0.12); color: var(--cyan-bright); }

.btn.primary {
  background: var(--cyan);
  color: var(--bg);
  font-weight: 700;
  box-shadow: 0 0 22px rgba(25, 227, 227, 0.25);
}

.btn.primary:hover { background: var(--cyan-bright); color: var(--bg); }

/* ---- feature grid ---- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin: 0 0 28px;
}

.card {
  border: 1px solid var(--outline-strong);
  border-radius: 6px;
  background: var(--surface);
  padding: 18px;
}

.card h3 { margin: 0 0 6px; font-size: 15.5px; }
.card p { margin: 0; color: var(--fg-dim); font-size: 14.5px; }

/* ---- footer ---- */

footer.site {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--outline-strong);
  color: var(--fg-faint);
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.9;
}

footer.site a { color: var(--fg-dim); }
footer.site a:hover { color: var(--cyan); }

/* ---- Arabic / RTL ---- */

[dir="rtl"] {
  font-family: var(--arabic);
  text-align: right;
}

[dir="rtl"] h1,
[dir="rtl"] h2,
[dir="rtl"] h3 { font-family: var(--arabic); letter-spacing: 0; }

[dir="rtl"] .readout dt,
[dir="rtl"] .readout .k,
[dir="rtl"] th { letter-spacing: 0; }

/* Latin fragments inside Arabic prose keep their own face and direction. */
[dir="rtl"] code,
[dir="rtl"] .ltr {
  direction: ltr;
  unicode-bidi: isolate;
  font-family: var(--mono);
}

.lang-jump {
  display: inline-block;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--fg-dim);
  border: 1px dashed var(--outline-strong);
  border-radius: 4px;
  padding: 7px 13px;
  text-decoration: none;
  margin-bottom: 30px;
}

.lang-jump:hover { color: var(--lime); border-color: var(--lime); }

@media (max-width: 520px) {
  body { background-size: 34px 34px; }
  header.site { padding: 36px 0 28px; }
}

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