/*
 * PinScope docs site shared stylesheet
 *
 * Maintains the amber-on-dark "field instrument" aesthetic from pinscope.html
 * with adjustments for long-form reading: larger body type, generous
 * line-height, constrained content width, more whitespace.
 *
 * GPL-3.0-or-later
 */

:root {
  --bg:            #0c0c0c;
  --panel:         #161513;
  --panel-2:       #1d1c19;
  --panel-3:       #232220;
  --line:          #2a2826;
  --line-bright:   #3d3a36;
  --amber:         #d4a017;
  --amber-bright:  #f5b724;
  --amber-dim:     #8a6914;
  --amber-low:     #4a3a0a;
  --muted:         #6b5e43;
  --muted-dim:     #4a4133;
  --text:          #d4c9a8;
  --good:          #6ba368;
  --bad:           #c9554d;

  --font-display:  'Major Mono Display', 'JetBrains Mono', ui-monospace, monospace;
  --font-mono:     'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --content-max:   780px;
  --body-size:     15px;
  --body-line:     1.7;
}

@import url('https://fonts.googleapis.com/css2?family=Major+Mono+Display&family=JetBrains+Mono:wght@400;500;600&display=swap');

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: var(--body-size);
  line-height: var(--body-line);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Subtle CRT-style scanline gradient over the whole page for atmosphere */
body::before {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(212, 160, 23, 0.01) 0px,
    rgba(212, 160, 23, 0.01) 1px,
    transparent 1px,
    transparent 3px
  );
}

a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-low);
  transition: color .1s, border-color .1s;
}
a:hover { color: var(--amber-bright); border-color: var(--amber); }

/* === Header (every page) =================================================== */
.site-head {
  position: sticky; top: 0; z-index: 10;
  background: rgba(12, 12, 12, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  padding: 14px 24px;
  display: flex; align-items: center; gap: 24px;
}
.site-head .brand {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--amber-bright);
  letter-spacing: .06em;
}
.site-head .brand .sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--amber-dim);
  margin-top: 2px;
}
.site-head nav {
  display: flex; gap: 18px;
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
}
.site-head nav a {
  color: var(--muted);
  border-bottom: none;
  padding-bottom: 2px;
}
.site-head nav a:hover { color: var(--amber-bright); }
.site-head nav a.current {
  color: var(--amber);
  border-bottom: 1px solid var(--amber-dim);
}
.site-head .spacer { flex: 1; }
.site-head .github-link {
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: none;
  padding: 4px 10px;
  border: 1px solid var(--line-bright);
  border-radius: 2px;
}
.site-head .github-link:hover {
  color: var(--amber);
  border-color: var(--amber-dim);
}

/* === Main content area ==================================================== */
main {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 48px 24px 96px;
  position: relative; z-index: 1;
}

/* === Hero (landing page only) ============================================= */
.hero {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 80px 24px 60px;
  position: relative; z-index: 1;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: 56px;
  letter-spacing: .04em;
  color: var(--amber-bright);
  line-height: 1.1;
  margin-bottom: 12px;
}
.hero .tagline {
  font-size: 11px;
  letter-spacing: .4em;
  text-transform: uppercase;
  color: var(--amber-dim);
  margin-bottom: 32px;
}
.hero .lede {
  font-size: 18px;
  color: var(--text);
  line-height: 1.65;
  max-width: 720px;
  margin-bottom: 36px;
}
.hero .cta-row {
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-top: 12px;
}
.hero .cta {
  display: inline-block;
  padding: 12px 22px;
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  border-bottom: none;
}
.hero .cta.primary {
  background: rgba(212, 160, 23, 0.1);
  border: 1px solid var(--amber);
  color: var(--amber-bright);
}
.hero .cta.primary:hover {
  background: rgba(212, 160, 23, 0.18);
}
.hero .cta.secondary {
  border: 1px solid var(--line-bright);
  color: var(--amber);
}
.hero .cta.secondary:hover {
  border-color: var(--amber-dim);
  color: var(--amber-bright);
}

/* === Section dividers ===================================================== */
section + section { margin-top: 56px; }

h1.page-title {
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--amber-bright);
  margin-bottom: 6px;
  letter-spacing: .04em;
}
.page-subtitle {
  font-size: 11px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--amber-dim);
  margin-bottom: 40px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

h2 {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--amber);
  letter-spacing: .04em;
  margin: 48px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
h3 {
  font-size: 13px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--amber-bright);
  margin: 32px 0 12px;
}
h4 {
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--amber-dim);
  margin: 24px 0 10px;
}

p { margin: 0 0 18px; color: var(--text); }
p.lede { font-size: 17px; color: var(--text); }

ul, ol { margin: 0 0 18px 0; padding-left: 28px; color: var(--text); }
li { margin-bottom: 6px; }
li::marker { color: var(--amber-dim); }

strong, b { color: var(--amber-bright); font-weight: 500; }
em, i { color: var(--amber); font-style: normal; letter-spacing: .04em; }

hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 48px 0;
}

/* === Code blocks ========================================================== */
code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--panel);
  color: var(--amber-bright);
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-radius: 2px;
}
pre {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 14px 18px;
  overflow-x: auto;
  margin: 0 0 24px;
  font-size: 13px;
  line-height: 1.6;
}
pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
  font-size: inherit;
}
.code-label {
  display: inline-block;
  font-size: 9px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--amber-dim);
  margin-bottom: 6px;
  padding-left: 4px;
}

/* === Tables =============================================================== */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 28px;
  font-size: 13px;
}
th, td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th {
  color: var(--amber-dim);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  font-weight: 500;
  border-bottom-color: var(--line-bright);
}
td code { font-size: 12px; }

/* === Feature card grid (landing) ========================================== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin: 32px 0;
}
.feature {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 18px 20px;
  transition: border-color .15s, background .15s;
}
.feature:hover {
  border-color: var(--amber-dim);
  background: var(--panel-2);
}
.feature h3 {
  margin-top: 0;
  margin-bottom: 10px;
  color: var(--amber);
}
.feature p {
  font-size: 13px;
  line-height: 1.6;
  margin: 0;
  color: var(--text);
}

/* === Callout boxes ======================================================== */
.callout {
  background: var(--panel);
  border-left: 2px solid var(--amber-dim);
  padding: 14px 20px;
  margin: 24px 0;
  font-size: 14px;
}
.callout .callout-label {
  font-size: 9px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--amber-dim);
  margin-bottom: 6px;
  display: block;
}
.callout p:last-child { margin-bottom: 0; }
.callout.warn { border-left-color: var(--bad); }
.callout.warn .callout-label { color: var(--bad); }

/* === Inline meta strip (page-level metadata pill row) ===================== */
.meta-strip {
  display: flex; flex-wrap: wrap; gap: 14px;
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 32px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.meta-strip .pill {
  padding: 3px 8px;
  border: 1px solid var(--line-bright);
  border-radius: 2px;
  color: var(--amber-dim);
}

/* === TOC for the reference page =========================================== */
.toc {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 14px 20px;
  margin: 0 0 40px;
  font-size: 12px;
  columns: 2;
  column-gap: 28px;
}
.toc-title {
  font-size: 9px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--amber-dim);
  margin-bottom: 10px;
  column-span: all;
}
.toc a {
  display: block;
  padding: 3px 0;
  color: var(--text);
  border-bottom: none;
  break-inside: avoid;
}
.toc a:hover { color: var(--amber-bright); }

/* === Bring-up phase styling (bringup.html) ================================ */
.phase {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 24px 28px;
  margin-bottom: 24px;
  position: relative;
}
.phase-head {
  display: flex; align-items: baseline; gap: 14px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.phase-num {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--amber-bright);
  letter-spacing: .04em;
  line-height: 1;
}
.phase-title {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0;
}
.phase-expected {
  font-size: 12px;
  color: var(--good);
  background: rgba(107, 163, 104, 0.08);
  border-left: 2px solid var(--good);
  padding: 10px 14px;
  margin: 16px 0;
}
.phase-expected .label {
  font-size: 9px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--good);
  display: block;
  margin-bottom: 4px;
}
.phase-failure {
  font-size: 13px;
  color: var(--text);
  margin: 14px 0;
}
.phase-failure h4 {
  color: var(--bad);
  margin-top: 14px;
}

/* === Footer =============================================================== */
.site-foot {
  border-top: 1px solid var(--line);
  padding: 32px 24px;
  margin-top: 80px;
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted-dim);
  text-align: center;
  position: relative; z-index: 1;
}
.site-foot a {
  color: var(--muted);
  border-bottom: none;
}
.site-foot a:hover { color: var(--amber); }

/* === Responsive =========================================================== */
@media (max-width: 720px) {
  .hero h1 { font-size: 36px; }
  .hero .lede { font-size: 16px; }
  .site-head { padding: 12px 16px; gap: 14px; flex-wrap: wrap; }
  .site-head nav { gap: 12px; font-size: 10px; }
  main { padding: 32px 16px 64px; }
  .toc { columns: 1; }
  table { font-size: 12px; }
  th, td { padding: 6px 8px; }
}