/* ==========================================================================
   PULSE V2.1 — help.css · "ION ATMOSPHERE"
   Guides & help: quiet docs surface under an aurora whisper. Sticky topic
   rail (anchor nav) + accordion column built on the base <details>/<summary>
   FAQ primitives — zero page JS beyond the shared drivers. Cyan markers,
   sentence-case labels (caps diet). Requires tokens.css + base.css first.
   No inline styles anywhere — CSP style-src 'self'.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Hero — quiet entry, calm TRACE echo (§6.3) under a top aurora
   -------------------------------------------------------------------------- */
.help-hero { padding-bottom: var(--sp-9); }
.help-hero h1 { max-width: 14ch; }
.help-hero .section-sub { max-width: 44ch; }

.hero-trace { margin-top: var(--sp-7); }
.hero-trace .motif-svg { width: min(100%, 34rem); }
.help-hero .trace-caption { margin-top: var(--sp-3); }

/* --------------------------------------------------------------------------
   Body layout — asymmetric 3/9 split: sticky rail left, content right
   -------------------------------------------------------------------------- */
.help-body { padding-block: 0 var(--sp-section); }
.help-body > .rule-bleed { margin-bottom: var(--sp-8); }

.help-layout {
  display: grid;
  gap: var(--sp-7);
  align-items: start;
}
@media (min-width: 56em) {
  .help-layout { grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: var(--sp-8); }
  .help-rail { position: sticky; top: 6rem; }
}

/* --------------------------------------------------------------------------
   Topic rail — mono anchor index ("searchable feel", zero JS)
   -------------------------------------------------------------------------- */
.rail-head {
  display: block;
  margin-bottom: var(--sp-4);
}
.rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.rail-list a {
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--fs-body-sm);
  color: var(--text-3);
  text-decoration: none;
  border-left: 1px solid var(--line-1);
  transition: color var(--dur-1) ease, border-color var(--dur-1) ease;
}
.rail-list a:hover {
  color: var(--text-1);
  border-left-color: var(--accent-line);
}
.rail-num {
  font: 700 var(--fs-micro) / 1.6 var(--font-mono);
  letter-spacing: var(--track-micro);
  color: var(--accent-bright);
}

/* --------------------------------------------------------------------------
   Topic sections — hairline-separated groups, anchored
   -------------------------------------------------------------------------- */
.help-topic { scroll-margin-top: 6rem; }
.help-topic + .help-topic {
  margin-top: var(--sp-9);
  padding-top: var(--sp-8);
  border-top: 1px solid var(--line-1);
}

.topic-head { margin-bottom: var(--sp-5); }
.topic-head h2 {
  margin-top: var(--sp-3);
  font-size: var(--fs-h3);
}

/* --------------------------------------------------------------------------
   Accordion content — answers, steps, cyan-marker lists
   (the accordion itself comes from base.css .faq-item/.faq-q/.faq-a;
   v2.1: markers carry the brand hue, the open chevron warms to accent)
   -------------------------------------------------------------------------- */
.faq-a > * + * { margin-top: var(--sp-3); }

.faq-item[open] > .faq-q::after { border-color: var(--accent-bright); }

/* Ordered steps — mono leading-zero counters, cyan instrument digits */
.faq-steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--sp-3);
}
.faq-steps li {
  counter-increment: step;
  display: flex;
  gap: var(--sp-4);
  align-items: baseline;
  max-width: 62ch;
}
.faq-steps li::before {
  content: counter(step, decimal-leading-zero);
  flex: none;
  font: 700 var(--fs-micro) / 1.6 var(--font-mono);
  letter-spacing: var(--track-micro);
  color: var(--accent-bright);
}

/* Unordered lists — cyan hairline ticks (the v2.1 marker) */
.faq-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--sp-3);
}
.faq-list li {
  position: relative;
  padding-left: var(--sp-5);
  max-width: 62ch;
}
.faq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 12px;
  height: 1px;
  background: var(--accent-line);
}

.faq-note {
  color: var(--text-3);
  font-size: var(--fs-body-sm);
}

/* --------------------------------------------------------------------------
   05 · Contact — two cards + quiet bug row + closing notes
   -------------------------------------------------------------------------- */
.contact-sub {
  margin-top: var(--sp-4);
  color: var(--text-3);
  font-size: var(--fs-lead);
  max-width: 40ch;
}

.contact-grid {
  display: grid;
  gap: var(--sp-5);
  margin-top: var(--sp-6);
}
@media (min-width: 48em) {
  .contact-grid { grid-template-columns: 1fr 1fr; }
}

.contact-card p {
  color: var(--text-3);
  font-size: var(--fs-body-sm);
  max-width: 38ch;
}
.contact-card .btn {
  margin-top: var(--sp-5);
  max-width: 100%;
}

.contact-bug {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--sp-2) var(--sp-5);
  padding: var(--sp-4) var(--sp-5);
  border: 1px solid var(--line-1);
  border-radius: var(--radius-md);
}
.contact-bug-title {
  font-size: var(--fs-body);
  flex: none;
}
.contact-bug p {
  color: var(--text-3);
  font-size: var(--fs-body-sm);
}

/* Sentence-case mono meta (trust-strip base) — caps diet, copy unchanged */
.contact-note {
  display: block;
  margin-top: var(--sp-5);
}

.help-foot {
  margin-top: var(--sp-7);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--line-1);
  color: var(--text-3);
  font-size: var(--fs-body-sm);
}