/* ============================================================
   victron-venus.github.io — organization site
   Identity: device faceplate navy · amber = power, cyan = data
   Display: Chakra Petch · Body: IBM Plex Sans · Data: IBM Plex Mono
   ============================================================ */

:root {
  --bg: #0a1628;
  --bg-deep: #071020;
  --panel: #0f2036;
  --panel-hi: #14294a;
  --edge: #1d3a5f;
  --edge-hi: #2c5586;
  --ink: #deebfa;
  --ink-dim: #93aecd;
  --ink-faint: #6484a9;
  --amber: #ffb454;
  --amber-dim: #c98d3f;
  --cyan: #5bc2ff;
  --cyan-dim: #3d8fc0;
  --font-display: "Chakra Petch", "Trebuchet MS", sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --max-w: 1120px;
  --radius: 10px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  /* Google Translate pins the page down / repositions body when it
     injects its toolbar; we hide the toolbar, so keep the page put. */
  top: 0 !important;
  position: static !important;
}

img, svg { max-width: 100%; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
  border-radius: 3px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  z-index: 100;
  background: var(--amber);
  color: var(--bg);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-family: var(--font-mono);
}
.skip-link:focus { left: 8px; }

.container { max-width: var(--max-w); margin-inline: auto; padding-inline: 1.25rem; }

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--edge);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--ink);
}
.brand:hover { text-decoration: none; color: var(--amber); }
.brand svg, .brand-logo { flex: none; }
.brand-logo { border-radius: 6px; }

.nav-links {
  display: flex;
  gap: 0.25rem;
  margin-left: auto;
  align-items: center;
}

.nav-links a {
  color: var(--ink-dim);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
  letter-spacing: 0.02em;
}
.nav-links a:hover { color: var(--ink); background: var(--panel); text-decoration: none; }
.nav-links a[aria-current="page"] { color: var(--amber); }

.nav-gh {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: 1px solid var(--edge);
  background: var(--panel);
}

/* ---------- Hero ---------- */

.hero { padding-block: 4rem 2.5rem; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--amber);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: currentColor;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.3rem, 4.5vw + 1rem, 4rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  max-width: 21ch;
  margin-top: 1rem;
}
.hero h1 em {
  font-style: normal;
  color: var(--amber);
}

.hero-sub {
  max-width: 58ch;
  color: var(--ink-dim);
  font-size: 1.08rem;
  margin-top: 1.25rem;
}

.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.75rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.03em;
  padding: 0.7rem 1.35rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--amber); color: #241503; }
.btn-primary:hover { background: #ffc477; }
.btn-ghost { border-color: var(--edge-hi); color: var(--ink); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }

/* ---------- One-line diagram ---------- */

.diagram-wrap {
  margin-top: 3rem;
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(91,194,255,0.06), transparent),
    var(--bg-deep);
  overflow-x: auto;
  padding: 1rem 0.5rem;
}

.diagram { min-width: 900px; display: block; margin-inline: auto; }

.dg-node rect { fill: var(--panel); stroke: var(--edge-hi); stroke-width: 1.2; transition: stroke 0.15s, fill 0.15s; }
.dg-node text { fill: var(--ink); font-family: var(--font-mono); pointer-events: none; }
.dg-node .dg-sub { fill: var(--ink-faint); }
.dg-node:hover rect, .dg-node.hot rect { stroke: var(--amber); fill: var(--panel-hi); }
.dg-node.hub rect { stroke: var(--amber-dim); stroke-width: 1.6; }
.dg-node.hub:hover rect { stroke: var(--amber); }

.dg-edge { fill: none; stroke-width: 1.6; opacity: 0.75; transition: opacity 0.15s, stroke-width 0.15s; }
.dg-edge.power { stroke: var(--amber-dim); stroke-dasharray: 7 5; animation: flow 1.1s linear infinite; }
.dg-edge.data  { stroke: var(--cyan-dim);  stroke-dasharray: 4 6; animation: flow 1.4s linear infinite reverse; }
.dg-edge.hot { stroke: var(--amber); stroke-width: 2.4; opacity: 1; }
.dg-edge.data.hot { stroke: var(--cyan); }

@keyframes flow { to { stroke-dashoffset: -12; } }

.legend {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  padding-top: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-dim);
  flex-wrap: wrap;
}
.legend i {
  display: inline-block;
  width: 22px;
  height: 0;
  border-top: 2.5px dashed;
  vertical-align: middle;
  margin-right: 0.5em;
}
.legend .p i { border-color: var(--amber); }
.legend .d i { border-color: var(--cyan); }

/* ---------- Stats strip ---------- */

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 3rem;
  padding-block: 1.5rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-dim);
}
.stats b { color: var(--ink); font-weight: 500; }
.stats span::before { content: "·"; margin-right: 3rem; color: var(--edge-hi); }
.stats span:first-child::before { content: none; }

/* ---------- Sections ---------- */

.section { padding-block: 4.5rem; }
.section-alt { background: var(--bg-deep); border-block: 1px solid var(--edge); }

.sec-head { max-width: 62ch; margin-bottom: 2.5rem; }
.sec-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 2.4vw, 2.15rem);
  line-height: 1.15;
  margin-top: 0.75rem;
}
.sec-head p { color: var(--ink-dim); margin-top: 0.6rem; }

/* ---------- Project cards ---------- */

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.proj {
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem 1.05rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  transition: border-color 0.15s;
}
.proj:hover { border-color: var(--edge-hi); }
.proj.hidden { display: none; }

.proj h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
}
.proj h3 a { color: var(--ink); }
.proj h3 a:hover { color: var(--amber); text-decoration: none; }
.proj h3 .ext { color: var(--ink-faint); font-size: 0.8em; margin-left: 0.3em; }

.proj p { color: var(--ink-dim); font-size: 0.9rem; flex-grow: 1; }

.proj-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.lang { color: var(--ink); display: inline-flex; align-items: center; gap: 0.4em; }
.lang::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--dot, var(--cyan)); }

.tag {
  color: var(--ink-dim);
  border: 1px solid var(--edge);
  padding: 0.1rem 0.5rem;
  border-radius: 99px;
}
a.tag:hover { color: var(--cyan); border-color: var(--cyan-dim); text-decoration: none; }

.org-chip {
  margin-left: auto;
  color: var(--ink-faint);
}

/* Language dots */
.lang-python::before { --dot: #3776ab; }
.lang-go::before { --dot: #00add8; }
.lang-vue::before { --dot: #42b883; }
.lang-yaml::before { --dot: #cb171e; }
.lang-hcl::before { --dot: #844fba; }
.lang-shell::before { --dot: #89e051; }

/* Group blocks on projects page */
.group { margin-bottom: 3rem; }
.group > h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--edge);
  margin-bottom: 1.1rem;
}
.group > h2 .count { color: var(--ink-faint); font-weight: 400; font-size: 0.8em; margin-left: 0.6em; }
.group.hidden { display: none; }
.group > p.desc { color: var(--ink-dim); font-size: 0.92rem; margin: -0.5rem 0 1.2rem; }

/* Filters */
.filters {
  min-width: 0;
  padding: 0;
  border: 0;
  margin: 0 0 2.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}
.filter-legend {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-dim);
  background: var(--panel);
  border: 1px solid var(--edge);
  padding: 0.42rem 0.9rem;
  border-radius: 99px;
  cursor: pointer;
}
.filter-btn:hover { color: var(--ink); border-color: var(--edge-hi); }
.filter-btn[aria-pressed="true"] { color: var(--amber); border-color: var(--amber-dim); background: rgba(255,180,84,0.08); }

.search-box {
  margin-left: auto;
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: 99px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.45rem 1rem;
  width: 220px;
}
.search-box:focus { outline: none; border-color: var(--cyan-dim); }
.search-box::placeholder { color: var(--ink-faint); }

/* Translate picker (footer) */
.lang-select {
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: 99px;
  color: var(--ink-dim);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.4rem 0.9rem;
  max-width: 200px;
  cursor: pointer;
}
.lang-select:hover { border-color: var(--edge-hi); color: var(--ink); }
.lang-select:focus-visible { outline-offset: 2px; }

/* In-place Google Translate picker (top of wiki pages) */
.lang-top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding-top: 1rem;
}
.lang-top .lt-label { color: var(--ink-faint); }
.lang-top .lang-btn {
  background: none;
  border: none;
  border-bottom: 1px dashed var(--edge);
  padding: 0 0 1px;
  font: inherit;
  cursor: pointer;
  color: var(--ink-dim);
}
.lang-top .lang-btn:hover { color: var(--ink); border-bottom-color: var(--edge-hi); }
.lang-top .lang-btn.active {
  color: var(--ink);
  border-bottom-style: solid;
  border-bottom-color: var(--edge-hi);
}

/* Google Translate Element housekeeping: suppress the injected toolbar
   banner, its hover balloons and the yellow highlight boxes it paints on
   translated text; keep the hidden widget mount out of view. The widget's
   own <select> stays reachable from JS even while display:none.
   (body { top / position } override lives in the base body rule above.) */
.goog-te-banner-frame,
.goog-te-banner-frame.skiptranslate,
.skiptranslate,
goog-gt-tt,
.goog-te-balloon-frame { display: none !important; }
.goog-text-highlight {
  background-color: transparent !important;
  box-shadow: none !important;
}
#google_translate_element {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.empty-note { display: none; color: var(--ink-dim); font-family: var(--font-mono); font-size: 0.85rem; padding: 2rem 0; }
.empty-note.show { display: block; }

/* ---------- Wiki ---------- */

.wiki-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  align-items: start;
}

.wiki-nav {
  position: sticky;
  top: 84px;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  border-left: 1px solid var(--edge);
  padding-left: 1rem;
}
.wiki-nav .wn-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
  margin: 0.75rem 0 0.4rem;
}
.wiki-nav a {
  color: var(--ink-dim);
  font-size: 0.88rem;
  padding: 0.28rem 0.6rem;
  border-radius: 6px;
}
.wiki-nav a:hover { color: var(--ink); background: var(--panel); text-decoration: none; }
.wiki-nav a[aria-current="page"] { color: var(--amber); background: rgba(255,180,84,0.08); }

.prose { max-width: 68ch; }
.prose h2 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  margin: 2.4rem 0 0.9rem;
  padding-top: 0.4rem;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 600;
  margin: 1.8rem 0 0.6rem;
}
.prose p, .prose li { color: var(--ink-dim); }
.prose p strong, .prose li strong { color: var(--ink); }
.prose ul, .prose ol { padding-left: 1.3rem; margin: 0.8rem 0; display: grid; gap: 0.45rem; }
.prose code {
  font-family: var(--font-mono);
  font-size: 0.83em;
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: 5px;
  padding: 0.1em 0.4em;
  color: var(--amber);
}
.prose pre {
  background: var(--bg-deep);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  overflow-x: auto;
  margin: 1rem 0;
}
.prose pre code { background: none; border: none; padding: 0; color: var(--ink); font-size: 0.82rem; line-height: 1.6; }

.prose table { border-collapse: collapse; width: 100%; margin: 1.2rem 0; font-size: 0.88rem; min-width: 520px; }
.table-scroll { overflow-x: auto; }
.prose th {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--amber);
  text-align: left;
  padding: 0.55rem 0.9rem 0.55rem 0;
  border-bottom: 1px solid var(--edge-hi);
}
.prose td { padding: 0.55rem 0.9rem 0.55rem 0; border-bottom: 1px solid var(--edge); color: var(--ink-dim); vertical-align: top; }
.prose td:first-child { color: var(--ink); white-space: nowrap; }

.callout {
  border: 1px solid var(--edge);
  border-left: 3px solid var(--amber);
  background: var(--panel);
  border-radius: 8px;
  padding: 0.9rem 1.2rem;
  margin: 1.2rem 0;
  font-size: 0.92rem;
  color: var(--ink-dim);
}
.callout strong { color: var(--amber); }

.step-list { counter-reset: step; list-style: none; padding-left: 0 !important; display: grid; gap: 1.1rem !important; }
.step-list li { counter-increment: step; position: relative; padding-left: 3rem; }
.step-list li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.1em;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--amber);
  border: 1px solid var(--amber-dim);
  border-radius: 8px;
  padding: 0.15rem 0.45rem;
}

/* Layer stack (architecture page) */
.layers { display: grid; gap: 0.7rem; margin: 1.5rem 0; }
.layer {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 1rem;
  align-items: baseline;
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  padding: 0.9rem 1.2rem;
}
.layer h3 { margin: 0; font-size: 0.95rem; color: var(--amber); }
.layer p { font-size: 0.88rem; }
.layer p a { font-family: var(--font-mono); font-size: 0.78rem; margin-right: 0.7em; white-space: nowrap; }

@media (max-width: 720px) {
  .layer { grid-template-columns: 1fr; gap: 0.2rem; }
  .wiki-layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .wiki-nav { position: static; flex-flow: row wrap; border-left: 0; padding-left: 0; }
}

/* ---------- Wiki card grid (home) ---------- */

.wiki-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
.wcard {
  border: 1px solid var(--edge);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
}
.wcard:hover { border-color: var(--cyan-dim); text-decoration: none; }
.wcard h3 { font-family: var(--font-display); font-size: 0.98rem; font-weight: 600; color: var(--cyan); }
.wcard p { color: var(--ink-dim); font-size: 0.84rem; margin-top: 0.4rem; }
.wcard .wn-num { font-family: var(--font-mono); font-size: 0.7rem; color: var(--ink-faint); letter-spacing: 0.15em; }

/* ---------- Footer ---------- */

footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--edge);
  padding-block: 2.5rem 2rem;
  margin-top: 4rem;
  font-size: 0.85rem;
  color: var(--ink-dim);
}
.foot-inner { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; }
.foot-col { display: grid; gap: 0.3rem; align-content: start; }
.foot-col h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
  margin-bottom: 0.35rem;
}
.foot-note { margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--edge); color: var(--ink-faint); font-size: 0.78rem; max-width: 75ch; }

/* ---------- Responsive ---------- */

@media (max-width: 800px) {
  .nav-links a:not(.nav-gh) { display: none; }
  .hero { padding-block: 3rem 1.5rem; }
  .section { padding-block: 3rem; }
  .stats { gap: 0.4rem 1.5rem; }
  .stats span::before { margin-right: 1.5rem; }
  .search-box { margin-left: 0; width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .dg-edge { animation: none !important; }
  * { transition-duration: 0.01ms !important; }
  .btn:hover { transform: none; }
}