/* CAN bus connector guide: /engineering/can-bus-connectors/ (hub + one page per connector).
   Built by rev2/_build-can-connectors.py; behaviour in /assets/js/can-connectors.js.
   Scoped to .cc-* classes; uses the site tokens from site.css. */

:root {
  --cc-can: #005C8C;
  --cc-can2: #6a3fb5;
  --cc-gnd: #4a4a4a;
  --cc-pwr: #c62828;
  --cc-shld: #0085B4;
  --cc-j1708: #2e7d32;
  --cc-iso: #e65100;
  --cc-oem: #7fa6bb;
  --cc-tbc: #ad1457;
  --cc-nc: #A8D2E3;
  --cc-ink: #0b2236;
  --cc-muted: #5c6870;   /* 5.6:1 on white; the site-wide --text-muted (#888) is 3.5:1 */
  --cc-accent-text: #006d94;
  --cc-glow: rgba(0, 133, 180, .35);
}

/* visually hidden, for screen readers */
.cc-table caption.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ── Hero ─────────────────────────────────────────────────────────────── */
.cc-hero { position: relative; overflow: hidden; color: #fff; padding: 56px 0 64px;
  background: radial-gradient(1200px 500px at 85% 20%, rgba(0,133,180,.35), transparent 60%),
              linear-gradient(135deg, #001a2c 0%, #0a2540 55%, var(--primary-dark) 100%); }
.cc-hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .18;
  background-image: linear-gradient(rgba(255,255,255,.18) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.18) 1px, transparent 1px);
  background-size: 32px 32px; mask-image: linear-gradient(180deg, #000 0%, transparent 95%); }
.cc-hero .container { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; }
.cc-hero .eyebrow { display: inline-block; padding: 4px 12px; border-radius: 12px; background: rgba(255,255,255,.14);
  font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px; }
.cc-hero h1 { color: #fff; font-size: clamp(30px, 4.4vw, 48px); line-height: 1.12; letter-spacing: -.5px; margin-bottom: 14px; }
.cc-hero .lede { color: rgba(255,255,255,.92); font-size: 17px; line-height: 1.6; max-width: 640px; }
.cc-facts { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 0; padding: 0; list-style: none; }
.cc-facts li { padding: 6px 12px; border-radius: 999px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.22);
  font-size: 13px; color: #fff; }
.cc-facts b { color: #9fdcf2; font-weight: 700; margin-right: 4px; }
.cc-hero-art { background: rgba(255,255,255,.96); border-radius: 18px; padding: 18px; box-shadow: 0 24px 60px rgba(0,0,0,.35);
  transform: perspective(1200px) rotateY(-6deg) rotateX(3deg); }
.cc-hero-art svg { display: block; width: 100%; height: auto; }
.cc-hero-gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.cc-hero-gallery a { background: rgba(255,255,255,.95); border-radius: 12px; padding: 8px; display: block; transition: transform .2s; }
.cc-hero-gallery a:hover { transform: translateY(-3px); }
.cc-hero-gallery svg { display: block; width: 100%; height: 64px; }
@media (max-width: 900px) {
  .cc-hero .container { grid-template-columns: 1fr; }
  .cc-hero-art { transform: none; }
}

/* ── Section scaffolding ─────────────────────────────────────────────── */
.cc-section { padding: 64px 0; }
.cc-section.alt { background: var(--bg); }
.cc-section .container { max-width: 1160px; }
.cc-h2 { font-size: clamp(24px, 3vw, 32px); line-height: 1.2; margin: 6px 0 10px; color: var(--cc-ink); }
.cc-sub { color: var(--text-secondary); font-size: 16px; line-height: 1.6; max-width: 760px; margin: 0 0 28px; }
.cc-label { font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--cc-accent-text); }
.cc-toc { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 14px 0; list-style: none; }
.cc-toc a { display: inline-block; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--border-blue); font-size: 13px;
  color: var(--primary); text-decoration: none; background: #fff; }
.cc-toc a:hover { background: var(--light-blue); }
.cc-tocbar { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.94); backdrop-filter: blur(6px);
  border-bottom: 1px solid #eef3f7; }

/* ── Connector gallery (hub) ─────────────────────────────────────────── */
.cc-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 18px; }
.cc-card { position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--border-blue);
  border-radius: 14px; overflow: hidden; text-decoration: none; color: inherit; transition: transform .18s, box-shadow .18s; }
.cc-card:hover { transform: translateY(-4px); box-shadow: 0 14px 34px rgba(0,92,140,.16); }
.cc-card .art { background: linear-gradient(180deg, #F5F9FC, #fff); padding: 18px; border-bottom: 1px solid #eef3f7; }
.cc-card .art svg { display: block; width: 100%; height: 150px; }
.cc-card .body { padding: 16px 18px 18px; }
.cc-card h3 { font-size: 17px; margin: 0 0 6px; color: var(--cc-ink); }
.cc-card p { font-size: 14px; color: var(--text-secondary); margin: 0 0 10px; line-height: 1.5; }
.cc-card .meta { display: flex; flex-wrap: wrap; gap: 6px; }
.cc-chip { font-size: 11.5px; font-weight: 600; padding: 3px 8px; border-radius: 6px; background: var(--light-blue); color: var(--primary-dark); }
.cc-chip.warn { background: #fdecea; color: #a12020; }

/* ── Pinout explorer ─────────────────────────────────────────────────── */
.cc-explorer { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: start; }
@media (max-width: 900px) { .cc-explorer { grid-template-columns: 1fr; } }
.cc-stage { position: relative; background: #fff; border: 1px solid var(--border-blue); border-radius: 16px; padding: 18px;
  box-shadow: var(--shadow-sm); }
.cc-stage .face { display: block; width: 100%; height: auto; max-height: 440px; }
.cc-stage .caption { font-size: 12.5px; color: var(--cc-muted); text-align: center; margin-top: 8px; }
.cc-toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }
.cc-seg { display: inline-flex; flex-wrap: wrap; max-width: 100%; border: 1px solid var(--border-blue); border-radius: 10px; overflow: hidden; background: #fff; }
.cc-seg button { border: 0; background: transparent; padding: 7px 12px; font: inherit; font-size: 13px; color: var(--primary); cursor: pointer; }
.cc-seg button + button { border-left: 1px solid var(--border-blue); }
.cc-seg button[aria-pressed="true"] { background: var(--primary); color: #fff; }
.cc-seg-label { font-size: 12px; color: var(--cc-muted); margin-right: 2px; }

.cc-pin { cursor: pointer; outline: none; }
.cc-pin .pin-body { transition: stroke-width .15s, filter .15s; }
.cc-pin:hover .pin-body, .cc-pin:focus .pin-body, .cc-pin.is-on .pin-body { stroke-width: 7; filter: drop-shadow(0 0 6px var(--cc-glow)); }
.cc-face.has-focus .cc-pin:not(.is-on) { opacity: .28; transition: opacity .15s; }
.cc-pin:focus-visible .pin-body { stroke: #fb8302 !important; }

.cc-table { width: 100%; border-collapse: separate; border-spacing: 0; background: #fff; border: 1px solid var(--border-blue);
  border-radius: 12px; overflow: hidden; font-size: 14.5px; }
.cc-table th, .cc-table td { padding: 9px 12px; text-align: left; border-bottom: 1px solid #eef3f7; vertical-align: top; }
.cc-table thead th { background: var(--primary); color: #fff; font-weight: 600; font-size: 13px; letter-spacing: .3px; }
.cc-table tbody tr:last-child td, .cc-table tbody tr:last-child th { border-bottom: 0; }
.cc-table tbody tr { transition: background .12s; cursor: pointer; }
.cc-table tbody tr:hover, .cc-table tbody tr.is-on { background: #eaf5fb; }
.cc-table .pin-id { font-weight: 700; width: 54px; }
.cc-table .note { color: var(--cc-muted); font-size: 13px; }
.cc-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 8px; vertical-align: 0; }
.cc-detail { margin-top: 12px; min-height: 64px; padding: 12px 14px; border-radius: 12px; background: #f2f8fb; border: 1px dashed var(--border-blue);
  font-size: 14px; color: var(--text-secondary); }
.cc-detail strong { color: var(--cc-ink); }

/* signal colours (text / dots) */
.s-can { color: var(--cc-can); } .s-can2 { color: var(--cc-can2); } .s-gnd { color: var(--cc-gnd); } .s-pwr { color: var(--cc-pwr); }
.s-shld { color: var(--cc-shld); } .s-j1708 { color: var(--cc-j1708); } .s-iso { color: var(--cc-iso); } .s-oem { color: var(--cc-oem); } .s-tbc { color: var(--cc-tbc); }
.s-nc { color: #5b7787; }
.bg-can { background: var(--cc-can); } .bg-can2 { background: var(--cc-can2); } .bg-gnd { background: var(--cc-gnd); } .bg-pwr { background: var(--cc-pwr); }
.bg-shld { background: var(--cc-shld); } .bg-j1708 { background: var(--cc-j1708); } .bg-iso { background: var(--cc-iso); } .bg-oem { background: var(--cc-oem); } .bg-tbc { background: var(--cc-tbc); }
.bg-nc { background: var(--cc-nc); }
.cc-legend { display: flex; flex-wrap: wrap; gap: 12px; font-size: 12.5px; color: var(--text-secondary); margin-top: 10px; }

/* ── Pinout card (downloadable image) ───────────────────────────────── */
.cc-cardimg { background: #fff; border: 1px solid var(--border-blue); border-radius: 14px; padding: 14px; }
.cc-cardimg img { display: block; width: 100%; height: auto; }
.cc-cardimg figcaption { font-size: 13px; color: var(--cc-muted); margin-top: 8px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; }
.cc-btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--border-blue); background: #fff; color: var(--primary);
  border-radius: 8px; padding: 7px 12px; font: inherit; font-size: 13px; cursor: pointer; text-decoration: none; }
.cc-btn:hover { background: var(--light-blue); }
.cc-btn.primary { background: var(--cta); border-color: var(--cta); color: #fff; }
.cc-btn.primary:hover { background: var(--cta-hover); }

/* OEM variant cards */
.cc-variants { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }

/* ── Spec / prose ───────────────────────────────────────────────────── */
.cc-two { display: grid; grid-template-columns: 1.2fr .8fr; gap: 32px; }
@media (max-width: 900px) { .cc-two { grid-template-columns: 1fr; } }
.cc-prose p { font-size: 16px; line-height: 1.7; color: #2a2a2a; margin: 0 0 14px; }
.cc-prose h3 { font-size: 19px; margin: 22px 0 8px; color: var(--cc-ink); }
.cc-prose ul { margin: 0 0 14px 20px; line-height: 1.7; }
.cc-spec { width: 100%; border-collapse: collapse; font-size: 14px; background: #fff; border: 1px solid var(--border-blue); border-radius: 12px; overflow: hidden; }
.cc-spec th, .cc-spec td { padding: 9px 12px; border-bottom: 1px solid #eef3f7; text-align: left; vertical-align: top; }
.cc-spec th { width: 42%; color: var(--text-secondary); font-weight: 600; background: #fafcfd; }
.cc-callout { border-left: 4px solid var(--cta); background: #fff8f0; padding: 14px 16px; border-radius: 8px; font-size: 14.5px; line-height: 1.6; margin: 16px 0; }
.cc-callout.info { border-color: var(--accent); background: #eef7fb; }
.cc-sources { font-size: 13px; color: var(--cc-muted); }
.cc-sources a { color: var(--cc-muted); text-decoration: underline; }

/* ── Converter ───────────────────────────────────────────────────────── */
.cc-conv { background: #fff; border: 1px solid var(--border-blue); border-radius: 18px; box-shadow: var(--shadow-md); overflow: hidden; }
.cc-conv-head { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: end; padding: 18px; background: linear-gradient(180deg, #f5f9fc, #fff);
  border-bottom: 1px solid #eef3f7; }
.cc-conv-head label { display: block; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--cc-muted); margin-bottom: 6px; }
.cc-conv-head select { width: 100%; padding: 10px 12px; border: 1px solid var(--border-blue); border-radius: 10px; font: inherit; font-size: 15px; background: #fff; color: var(--cc-ink); }
.cc-swap { border: 1px solid var(--border-blue); background: #fff; border-radius: 50%; width: 42px; height: 42px; cursor: pointer; font-size: 18px; color: var(--primary); }
.cc-swap:hover { background: var(--light-blue); }
.cc-conv-opts { display: flex; flex-wrap: wrap; gap: 10px 18px; padding: 12px 18px; border-bottom: 1px solid #eef3f7; font-size: 14px; align-items: center; }
.cc-conv-opts label { display: inline-flex; gap: 6px; align-items: center; cursor: pointer; }
.cc-conv-opts select { padding: 5px 8px; border: 1px solid var(--border-blue); border-radius: 8px; font: inherit; font-size: 13px; }
.cc-diagram { padding: 10px 6px 0; overflow-x: auto; }
.cc-diagram svg { display: block; width: 100%; min-width: 640px; height: auto; }
.cc-wire { fill: none; stroke-width: 4; stroke-linecap: round; transition: stroke-width .15s, opacity .15s; }
.cc-wire-flow { fill: none; stroke: rgba(255,255,255,.75); stroke-width: 1.6; stroke-dasharray: 2 14; animation: cc-flow 1.6s linear infinite; pointer-events: none; }
@keyframes cc-flow { to { stroke-dashoffset: -32; } }
@media (prefers-reduced-motion: reduce) { .cc-wire-flow { animation: none; display: none; } }
.cc-diagram .row { cursor: pointer; }
.cc-diagram.has-focus .row:not(.is-on), .cc-diagram.has-focus .cc-wire:not(.is-on), .cc-diagram.has-focus .cc-wire-flow:not(.is-on) { opacity: .18; }
.cc-diagram .cc-wire.is-on { stroke-width: 6; }
.cc-conv-out { display: grid; grid-template-columns: 1.1fr .9fr; gap: 18px; padding: 16px 18px 18px; }
@media (max-width: 860px) { .cc-conv-out { grid-template-columns: 1fr; } .cc-conv-head { grid-template-columns: 1fr; } .cc-swap { justify-self: center; transform: rotate(90deg); } }
.cc-wiretable { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.cc-wiretable th, .cc-wiretable td { padding: 7px 8px; border-bottom: 1px solid #eef3f7; text-align: left; }
.cc-wiretable thead th { font-size: 11.5px; letter-spacing: 1px; text-transform: uppercase; color: var(--cc-muted); }
.cc-swatch { display: inline-block; width: 22px; height: 8px; border-radius: 4px; margin-right: 6px; vertical-align: 1px; border: 1px solid rgba(0,0,0,.15); }
.cc-notes { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.cc-notes li { padding: 10px 12px; border-radius: 10px; font-size: 13.5px; line-height: 1.5; background: #eef7fb; border: 1px solid #d6ebf4; }
.cc-notes li.warn { background: #fff4e5; border-color: #ffd9a8; }
.cc-notes li.stop { background: #fdecea; border-color: #f5c2bd; }
.cc-conv-actions { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 18px 18px; }

/* ── Finder ──────────────────────────────────────────────────────────── */
.cc-finder { background: linear-gradient(135deg, #0a2540, var(--primary-dark)); color: #fff; border-radius: 18px; padding: 26px; box-shadow: var(--shadow-md); }
.cc-finder h3 { color: #fff; font-size: 20px; margin: 0 0 4px; }
.cc-finder .step { font-size: 13px; color: #9fdcf2; letter-spacing: 1px; text-transform: uppercase; font-weight: 700; }
.cc-finder .q { font-size: 18px; margin: 10px 0 16px; }
.cc-finder .opts { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 10px; }
.cc-finder .opt { text-align: left; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.22); color: #fff; border-radius: 12px;
  padding: 12px 14px; font: inherit; font-size: 14px; cursor: pointer; transition: background .15s, transform .15s; }
.cc-finder .opt:hover, .cc-finder .opt:focus-visible { background: rgba(255,255,255,.18); transform: translateY(-2px); }
.cc-finder .opt small { display: block; color: rgba(255,255,255,.72); margin-top: 3px; font-size: 12.5px; }
.cc-finder .result { display: grid; grid-template-columns: 160px 1fr; gap: 18px; align-items: center; background: #fff; color: var(--cc-ink);
  border-radius: 14px; padding: 16px; }
.cc-finder .result svg { width: 100%; height: auto; }
.cc-finder .back { background: none; border: 0; color: #9fdcf2; cursor: pointer; font: inherit; font-size: 13px; margin-top: 14px; padding: 0; }
@media (max-width: 600px) { .cc-finder .result { grid-template-columns: 1fr; } }

/* ── Calculator ──────────────────────────────────────────────────────── */
.cc-calc { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 18px; }
.cc-calc .panel { background: #fff; border: 1px solid var(--border-blue); border-radius: 16px; padding: 20px; }
.cc-calc h3 { font-size: 17px; margin: 0 0 4px; color: var(--cc-ink); }
.cc-calc p.hint { font-size: 13.5px; color: var(--text-secondary); margin: 0 0 14px; }
.cc-calc label { display: block; font-size: 13px; font-weight: 600; color: var(--text-secondary); margin: 10px 0 4px; }
.cc-calc input, .cc-calc select { width: 100%; padding: 10px 12px; border: 1px solid var(--border-blue); border-radius: 10px; font: inherit; font-size: 15px; }
.cc-calc .out { margin-top: 14px; padding: 12px 14px; border-radius: 12px; font-size: 14.5px; line-height: 1.55; background: #eef7fb; border: 1px solid #d6ebf4; min-height: 52px; }
.cc-calc .out.ok { background: #edf7ee; border-color: #c8e6c9; }
.cc-calc .out.warn { background: #fff4e5; border-color: #ffd9a8; }
.cc-calc .out.bad { background: #fdecea; border-color: #f5c2bd; }
.cc-meter { height: 10px; border-radius: 5px; background: #e7eef3; overflow: hidden; margin-top: 10px; }
.cc-meter span { display: block; height: 100%; background: linear-gradient(90deg, #2e7d32, #f9a825 70%, #c62828); transition: width .3s; }

/* ── Comparison table (hub) ─────────────────────────────────────────── */
.cc-compare-wrap { overflow-x: auto; border: 1px solid var(--border-blue); border-radius: 14px; }
.cc-compare { width: 100%; min-width: 820px; border-collapse: collapse; background: #fff; font-size: 14px; }
.cc-compare th, .cc-compare td { padding: 11px 12px; border-bottom: 1px solid #eef3f7; text-align: left; vertical-align: top; }
.cc-compare thead th { background: #0a2540; color: #fff; font-size: 12.5px; letter-spacing: .5px; }
.cc-compare tbody th a { color: var(--primary); }

/* ── FAQ / CTA ───────────────────────────────────────────────────────── */
.cc-faq details { background: #fff; border: 1px solid var(--border-blue); border-radius: 12px; padding: 14px 16px; margin-bottom: 10px; }
.cc-faq summary { cursor: pointer; font-weight: 600; color: var(--cc-ink); font-size: 16px; }
.cc-faq p { margin: 10px 0 0; line-height: 1.65; color: #2a2a2a; }
.cc-cta { display: grid; grid-template-columns: 1.3fr .7fr; gap: 24px; align-items: center; background: linear-gradient(135deg, #0a2540, #005C8C);
  color: #fff; border-radius: 18px; padding: 30px; }
.cc-cta h2 { color: #fff; margin: 0 0 8px; font-size: 26px; }
.cc-cta p { color: rgba(255,255,255,.9); margin: 0; line-height: 1.6; }
.cc-cta .actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; }
.cc-cta .btn-ghost { color: #fff; border: 1px solid rgba(255,255,255,.5); border-radius: 8px; padding: 10px 16px; text-decoration: none; }
@media (max-width: 760px) { .cc-cta { grid-template-columns: 1fr; } .cc-cta .actions { justify-content: flex-start; } }
.cc-related { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; }
.cc-related a { display: flex; gap: 10px; align-items: center; background: #fff; border: 1px solid var(--border-blue); border-radius: 12px; padding: 10px;
  text-decoration: none; color: var(--cc-ink); font-size: 13.5px; font-weight: 600; }
.cc-related a:hover { background: var(--light-blue); }
.cc-related svg { width: 54px; height: 40px; flex: none; }

/* ── Print: only the chosen card ─────────────────────────────────────── */
@media print {
  body.cc-printing > *:not(.cc-print-root) { display: none !important; }
  body.cc-printing .cc-print-root { display: block !important; }
  .cc-print-root { display: none; }
  .cc-print-root svg { width: 100%; height: auto; }
}

/* static (non-interactive) extra faces and tables, e.g. NMEA 2000 Mini-C, ISO 12098 */
.cc-mini-table { width: 100%; border-collapse: collapse; font-size: 14.5px; margin: 10px 0 18px; }
.cc-mini-table th, .cc-mini-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid #e3eef4; }
.cc-mini-table thead th { background: #f5f9fc; color: var(--cc-ink); font-size: 13px; }
.cc-msg { background: #fff; color: var(--cc-ink); border-radius: 14px; padding: 18px 20px; line-height: 1.6; }
.cc-msg p { margin: 0 0 12px; }
.cc-prose p a, .cc-prose li a, .cc-faq p a { text-decoration: underline; text-underline-offset: 2px; }