/* Reaver GPU Docs — B&W decentralized GPU network documentation
   Matches the gpunet-site marketing design system: Suisse Int'l (body/UI),
   Suisse Int'l Mono (code/labels), ABC Favorit Trial (large headings).
   Pure B&W: charcoal panels, white text, hairline borders, sharp minimal. */

@font-face{font-family:"Suisse Int'l";src:url(fonts/SuisseIntl-Regular.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Suisse Int'l";src:url(fonts/SuisseIntl-Semibold.woff2) format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Suisse Int'l Mono";src:url(fonts/SuisseIntlMono-Regular.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"ABC Favorit Trial";src:url(fonts/ABCFavorit-Light.woff2) format("woff2");font-weight:300;font-style:normal;font-display:swap}

:root {
  --bg: #0a0d14;
  --bg-elev: #101421;
  --bg-code: #101421;
  --bg-secondary: #161b2a;
  --border: #1f2430;
  --border-strong: #1f2430;
  --text: #e6e9ef;
  --text-dim: #b3c0d4;
  --text-faint: #b3c0d4;
  --accent: #ff488b;
  --accent-2: #e33adb;
  --sidebar-w: 270px;
  --toc-w: 230px;
  --content-max: 720px;
  --topbar-h: 60px;
  --mono: "Suisse Int'l Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "Suisse Int'l", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --head: "ABC Favorit Trial", "Suisse Int'l", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--text); text-decoration: none; }
a:hover { color: var(--accent); }

/* ---------- Top bar ---------- */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 22px;
  background: rgba(10,13,20,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 50;
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.06em;
  color: #fff;
  flex-shrink: 0;
}
.wordmark .glyph {
  width: 22px; height: 22px;
  border: 1.5px solid #fff;
  display: grid;
  place-items: center;
  font-size: 11px;
  line-height: 1;
}

.search {
  flex: 1;
  max-width: 420px;
  display: flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 12px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-faint);
  font-family: var(--mono);
  font-size: 13px;
  cursor: text;
}
.search:hover { border-color: var(--border-strong); }
.search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(255,72,139,0.18); }
.search input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
}
.search .kbd {
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 11px;
  color: var(--text-faint);
}

.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 18px; }
.topbar-link { font-family: var(--mono); font-size: 13px; color: var(--text-dim); }
.topbar-link:hover { color: #fff; }
.topbar-social { display: inline-flex; align-items: center; color: var(--text-dim); transition: color .15s ease; }
.topbar-social svg { display: block; }
.topbar-social:hover { color: var(--accent); }
.launch-app {
  font-family: var(--mono);
  font-size: 13px;
  padding: 7px 16px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #0a0d14;
  white-space: nowrap;
}
.launch-app:hover { background: #ff6ba3; border-color: #ff6ba3; color: #0a0d14; }

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  color: #fff;
  width: 36px; height: 36px;
  font-size: 18px;
  cursor: pointer;
}

/* ---------- Layout ---------- */
.shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0,1fr) var(--toc-w);
  max-width: 1320px;
  margin: 0 auto;
  padding-top: var(--topbar-h);
}

/* ---------- Sidebar ---------- */
.sidebar {
  position: sticky;
  top: var(--topbar-h);
  align-self: start;
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: 28px 18px 60px 22px;
  border-right: 1px solid var(--border);
}
.nav-section { margin-bottom: 26px; }
.nav-title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 10px 6px;
}
.nav-link {
  display: block;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.4;
}
.nav-link:hover { background: var(--bg-elev); color: #fff; }
.nav-link.active {
  background: var(--bg-elev);
  color: var(--accent);
  border-left: 2px solid var(--accent);
  padding-left: 8px;
}

/* ---------- Content ---------- */
.content {
  min-width: 0;
  padding: 40px 56px 120px;
}
.content-inner { max-width: var(--content-max); margin: 0 auto; }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 10px;
}
.content h1 {
  font-family: var(--head);
  font-size: 34px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  font-weight: 300;
}
.lead { font-size: 17px; color: var(--text-dim); margin: 0 0 30px; }

.content h2 {
  font-size: 22px;
  margin: 44px 0 14px;
  padding-top: 8px;
  scroll-margin-top: 80px;
  letter-spacing: -0.01em;
  font-weight: 600;
}
.content h3 {
  font-size: 17px;
  margin: 30px 0 10px;
  scroll-margin-top: 80px;
  font-weight: 600;
}
.content p { margin: 0 0 16px; color: var(--text); }
.content ul, .content ol { margin: 0 0 18px; padding-left: 22px; color: var(--text); }
.content li { margin-bottom: 7px; }
.content strong { color: #fff; }

.content a.inline { color: var(--accent); border-bottom: 1px solid rgba(255,72,139,0.4); }
.content a.inline:hover { color: var(--accent); border-color: var(--accent); }

/* inline code */
code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  color: #8ff0ff;
}

/* code block */
.code {
  position: relative;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 0 0 22px;
  overflow: hidden;
}
.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-faint);
}
.code-head span {
  color: #5aa9b8;
  letter-spacing: 0.04em;
}
.copy-btn {
  font-family: var(--mono);
  font-size: 11px;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  color: var(--text-dim);
  padding: 3px 9px;
  cursor: pointer;
}
.copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.code pre {
  margin: 0;
  padding: 14px 16px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  color: #d7deea;
}
.code pre .c { color: var(--text-faint); }
.code pre .k { color: #fff; font-weight: 600; }
.code pre .s { color: #aeb7c4; }

/* callout */
.note {
  border: 1px solid var(--border-strong);
  border-left: 2px solid #fff;
  border-radius: 6px;
  padding: 14px 16px;
  margin: 0 0 22px;
  background: var(--bg-elev);
  color: var(--text-dim);
  font-size: 14px;
}
.note strong { color: #fff; }

/* spec table */
.spec {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 24px;
  font-size: 14px;
}
.spec th, .spec td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.spec th {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-faint);
  font-weight: 500;
}
.spec td { color: var(--text-dim); }
.spec td:first-child { color: #fff; font-family: var(--mono); font-size: 13px; }

/* card grid */
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 0 0 26px; }
.card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
  transition: border-color 0.15s;
}
.card:hover { border-color: var(--border-strong); }
.card h4 { margin: 0 0 6px; font-size: 15px; }
.card p { margin: 0; font-size: 13px; color: var(--text-dim); }

/* page footer nav */
.page-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 56px;
  padding-top: 26px;
  border-top: 1px solid var(--border);
}
.page-nav a {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
}
.page-nav a:hover { border-color: var(--accent); }
.page-nav a:hover .ttl { color: var(--accent); }
.page-nav .dir { font-family: var(--mono); font-size: 11px; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.1em; }
.page-nav .ttl { font-size: 15px; color: #fff; margin-top: 4px; }
.page-nav .next { text-align: right; }

/* ---------- TOC ---------- */
.toc {
  position: sticky;
  top: var(--topbar-h);
  align-self: start;
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: 40px 22px 60px;
}
.toc-title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 12px;
}
.toc a {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  padding: 5px 0 5px 12px;
  border-left: 1px solid var(--border);
  line-height: 1.4;
}
.toc a:hover { color: #fff; border-color: var(--border-strong); }
.toc a.h3 { padding-left: 24px; font-size: 12.5px; }
.toc a.active { color: var(--accent); border-color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .shell { grid-template-columns: var(--sidebar-w) minmax(0,1fr); }
  .toc { display: none; }
}

@media (max-width: 820px) {
  .shell { grid-template-columns: 1fr; }
  .menu-toggle { display: grid; place-items: center; }
  .search { display: none; }
  .sidebar {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    width: 100%;
    max-width: 320px;
    height: calc(100vh - var(--topbar-h));
    background: var(--bg);
    border-right: 1px solid var(--border);
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    z-index: 40;
  }
  body.nav-open .sidebar { transform: translateX(0); }
  .content { padding: 28px 20px 90px; }
  .content h1 { font-size: 27px; }
  .cards { grid-template-columns: 1fr; }
  .scrim {
    display: none;
    position: fixed;
    inset: var(--topbar-h) 0 0 0;
    background: rgba(0,0,0,0.5);
    z-index: 30;
  }
  body.nav-open .scrim { display: block; }
}

/* BRIGHTER magenta: neon bloom on accents */
.launch-app { box-shadow: 0 0 24px rgba(255,72,139,.55), 0 0 7px rgba(255,72,139,.85) !important; }
.launch-app:hover { box-shadow: 0 0 32px rgba(255,72,139,.75) !important; }
.nav-link.active, .toc a.active { text-shadow: 0 0 12px rgba(255,72,139,.6); }