/* Setup guide — borrows the manual's visual language so the two pages read
   as one document set. Loaded after the label frame and product styles. */

:root {
  --g-bg:      #141414;
  --g-deep:    #0e0e0e;
  --g-surface: #222222;
  --g-line:    #303030;
  --g-primary: #b82030;
  --g-hot:     #d43040;
  --g-hot-br:  #e84050;
  --g-bone:    #e8e4df;
  --g-t1:      #d8d4d0;
  --g-t2:      #9a9691;
  --g-t3:      #646464;
}

body { background: var(--g-bg); overflow-x: hidden; }

.guide {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── section headings, matching the manual's chapter rule ───────────── */
.guide section {
  padding: 3.4rem 0 0;
  scroll-margin-top: 1.5rem;
}
.guide section + section { border-top: 1px solid var(--g-line); margin-top: 3.4rem; }
.guide h2 {
  font-family: var(--mono, monospace);
  font-size: 1.35rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--g-bone);
  margin: 0 0 0.9rem;
}
.guide .rule {
  height: 3px;
  width: 100%;
  background: linear-gradient(90deg, var(--g-primary) 0 96px, var(--g-line) 96px 100%);
  margin-bottom: 1.6rem;
}
.guide .lede {
  color: var(--g-t2);
  max-width: 68ch;
  line-height: 1.7;
  margin: 0 0 1.4rem;
}
.guide p { line-height: 1.7; max-width: 68ch; }
.guide strong { color: var(--g-bone); }
.guide a { color: var(--g-hot-br); }

/* Sub-heading within a section (e.g. "macOS" / "Windows & Linux") */
.guide .sub-head {
  font-family: var(--mono, monospace);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--g-t2);
  margin: 2rem 0 0.2rem;
}

/* ── support: collapsible answers ───────────────────────────────────── */
.faq-block { margin: 1.2rem 0; max-width: 72ch; }
.faq-block details {
  border: 1px solid var(--g-line);
  border-radius: 8px;
  background: #191919;
  margin-bottom: 0.7rem;
  overflow: hidden;
}
.faq-block details[open] { border-color: #4a1620; }
.faq-block summary {
  cursor: pointer;
  padding: 0.85rem 1.1rem;
  color: var(--g-bone);
  font-weight: 600;
  list-style: none;
  position: relative;
  padding-right: 2.4rem;
}
.faq-block summary::-webkit-details-marker { display: none; }
.faq-block summary::after {
  content: "+";
  position: absolute;
  right: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--g-hot);
  font-family: var(--mono, monospace);
}
.faq-block details[open] summary::after { content: "–"; }
.faq-block summary:hover { color: #fff; }
.faq-block details > p {
  margin: 0 0 0.85rem;
  padding: 0 1.1rem;
  color: var(--g-t2);
  max-width: none;
}
.faq-block details > p:first-of-type { padding-top: 0.1rem; }

/* ── support: contact ───────────────────────────────────────────────── */
.contact-address {
  font-family: var(--mono, monospace);
  font-size: 1.05rem;
  color: var(--g-bone);
  background: #191919;
  border: 1px solid var(--g-line);
  border-left: 4px solid var(--g-primary);
  border-radius: 8px;
  padding: 0.9rem 1.2rem;
  margin: 1rem 0;
  user-select: all;
  overflow-wrap: anywhere;
}
a.contact-btn {
  display: inline-block;
  font-family: var(--mono, monospace);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--g-bone);
  background: var(--g-primary);
  border-radius: 6px;
  padding: 0.7rem 1.3rem;
  transition: background 120ms ease, transform 120ms ease;
}
a.contact-btn:hover { background: var(--g-hot); transform: translateY(-1px); }

/* ── changelog ──────────────────────────────────────────────────────── */
.guide .rel-date {
  font-family: var(--mono, monospace);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--g-t3);
  margin: -0.9rem 0 1.2rem;
}
.guide ul.changes {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 1.2rem;
  max-width: 68ch;
}
.guide ul.changes li {
  position: relative;
  padding: 0.28rem 0 0.28rem 1.4rem;
  line-height: 1.65;
}
.guide ul.changes li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--g-primary);
}

/* ── platform cards ─────────────────────────────────────────────────── */
/* Full-width rows: every destination path fits on one line at desktop
   width, so nothing breaks mid-path. Collapses to stacked pairs on phones. */
.os-grid { display: block; margin: 1.4rem 0 0.6rem; }
.os-card {
  background: #191919;
  border: 1px solid var(--g-line);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 0.9rem;
}
.os-card:last-child { margin-bottom: 0; }
.os-card h3 {
  font-family: var(--mono, monospace);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--g-t2);
  background: var(--g-surface);
  border-bottom: 2px solid #4a1620;
  margin: 0;
  padding: 0.55rem 1rem;
}
.os-card ul { list-style: none; margin: 0; padding: 0.3rem 0; }
.os-card li {
  display: grid;
  grid-template-columns: 13.5rem minmax(0, 1fr);
  align-items: baseline;
  gap: 0.25rem 1rem;
  padding: 0.45rem 1rem;
  border-bottom: 1px solid #242424;
}
.os-card li:last-child { border-bottom: 0; }
.os-card .fmt {
  font-family: var(--mono, monospace);
  font-size: 0.8rem;
  color: var(--g-bone);
}
.os-card .path {
  font-family: var(--mono, monospace);
  font-size: 0.75rem;
  color: var(--g-hot);
  overflow-wrap: anywhere;
}

/* ── numbered steps ─────────────────────────────────────────────────── */
.steps { list-style: none; counter-reset: s; margin: 1.2rem 0; padding: 0; }
.steps li {
  counter-increment: s;
  position: relative;
  padding: 0 0 1rem 3rem;
  max-width: 66ch;
  line-height: 1.7;
}
.steps li::before {
  content: counter(s, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: -0.05rem;
  font-family: var(--mono, monospace);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--g-primary);
}

/* ── note strip ─────────────────────────────────────────────────────── */
.note {
  border: 1px solid var(--g-line);
  border-left: 4px solid var(--g-primary);
  background: #1b1717;
  border-radius: 6px;
  padding: 0.9rem 1.2rem;
  margin: 1.4rem 0;
  max-width: 68ch;
}
.note .tag {
  display: block;
  font-family: var(--mono, monospace);
  font-size: 0.64rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--g-hot-br);
  margin-bottom: 0.3rem;
}
.note p { margin: 0; }

/* ── next-steps cards ───────────────────────────────────────────────── */
.next {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.4rem 0 0;
}
.next a {
  display: block;
  text-decoration: none;
  background: #191919;
  border: 1px solid var(--g-line);
  border-radius: 8px;
  padding: 1.1rem 1.2rem;
  transition: border-color 120ms ease, background 120ms ease, transform 120ms ease;
}
.next a:hover {
  border-color: var(--g-primary);
  background: #1d1819;
  transform: translateY(-2px);
}
.next .k {
  display: block;
  font-family: var(--mono, monospace);
  font-size: 0.66rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--g-hot);
  margin-bottom: 0.4rem;
}
.next .t { display: block; color: var(--g-bone); font-weight: 600; margin-bottom: 0.2rem; }
.next .d { display: block; color: var(--g-t2); font-size: 0.88rem; line-height: 1.5; }

.guide-foot {
  font-family: var(--mono, monospace);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--g-t3);
  text-align: center;
  padding: 3rem 1rem 3.5rem;
  margin-top: 3.4rem;
  border-top: 1px solid var(--g-line);
}
.guide-foot a { color: var(--g-t2); }

@media (max-width: 640px) {
  .guide { padding: 0 1.1rem; }
  .guide h2 { font-size: 1.1rem; letter-spacing: 0.12em; }
  .guide section { padding-top: 2.4rem; }
  .guide section + section { margin-top: 2.4rem; }
  .os-card li { grid-template-columns: minmax(0, 1fr); gap: 0.15rem; }
  .steps li { padding-left: 2.4rem; }
}