/* DataPix marketing site — mirrors interface/src/CustomTheme.tsx ("Amber Console").
   Dark is the default; light is opt-in via [data-theme="light"] or the OS setting
   when nothing is stored. One accent (#ffb000), zero border-radius, flat + hairline
   borders, pixel-font headings, monospace UI text. */

/* ---------- fonts (same subsetted files the device UI ships) ---------- */
@font-face {
  font-family: 'PixelDisplay';
  font-style: normal;
  font-weight: 400;
  src: url(fonts/pixel.woff2) format('woff2');
  unicode-range: U+20-7E;
  font-display: swap;
}
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 400;
  src: local('Roboto'), local('Roboto-Regular'), url(fonts/re.woff2) format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 500;
  src: local('Roboto Medium'), local('Roboto-Medium'), url(fonts/md.woff2) format('woff2');
  font-display: swap;
}

/* ---------- theme tokens ---------- */
:root {
  --bg: #17130d;
  --paper: #221c13;
  --text: #f2e6cc;
  --text-2: #a3947a;
  --divider: rgba(255, 214, 140, 0.16);
  --accent: #ffb000;
  --on-accent: #1a1207;
  --accent-wash: rgba(255, 176, 0, 0.08);
  --led-bg: #050505;

  --pixel: 'PixelDisplay', ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --prose: 'Roboto', 'Helvetica', 'Arial', sans-serif;

  --maxw: 900px;
  --sp: 8px;
}

:root[data-theme="light"] {
  --bg: #f7f2e6;
  --paper: #ffffff;
  --text: #2a2114;
  --text-2: #7c6f57;
  --divider: rgba(60, 45, 15, 0.16);
  --accent: #b3720a;
  --on-accent: #fff8ec;
  --accent-wash: rgba(179, 114, 10, 0.06);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f7f2e6;
    --paper: #ffffff;
    --text: #2a2114;
    --text-2: #7c6f57;
    --divider: rgba(60, 45, 15, 0.16);
    --accent: #b3720a;
    --on-accent: #fff8ec;
    --accent-wash: rgba(179, 114, 10, 0.06);
  }
}

/* ---------- reset ---------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--prose);
  font-size: 16px;
  line-height: 1.6;
}
img, svg { max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, kbd, samp {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--accent-wash);
  border: 1px solid var(--divider);
  padding: 0.05em 0.35em;
}
hr { border: 0; border-top: 1px solid var(--divider); margin: calc(var(--sp) * 4) 0; }

/* ---------- headings (pixel font) ---------- */
h1, h2, h3 {
  font-family: var(--pixel);
  font-weight: 400;
  line-height: 1.35;
  color: var(--text);
  margin: 0 0 calc(var(--sp) * 2);
}
h1 { font-size: clamp(1.4rem, 1.1rem + 1.6vw, 2.1rem); }
h2 { font-size: clamp(1.05rem, 0.9rem + 0.9vw, 1.4rem); margin-top: calc(var(--sp) * 5); }
h3 { font-size: 0.95rem; margin-top: calc(var(--sp) * 3); color: var(--accent); }
h4 {
  font-family: var(--mono);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: calc(var(--sp) * 3) 0 var(--sp);
}
p { margin: 0 0 calc(var(--sp) * 2); }
ul, ol { margin: 0 0 calc(var(--sp) * 2); padding-left: calc(var(--sp) * 3); }
li { margin: calc(var(--sp) * 0.5) 0; }
strong { font-weight: 500; }

/* ---------- layout ---------- */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 calc(var(--sp) * 2);
}
main { padding: calc(var(--sp) * 4) 0 calc(var(--sp) * 8); }
section { margin-bottom: calc(var(--sp) * 4); }
.lead { color: var(--text-2); font-size: 1.05rem; max-width: 62ch; }

/* ---------- top nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  border-bottom: 1px solid var(--divider);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: calc(var(--sp) * 2);
  padding: 0 calc(var(--sp) * 2);
  min-height: 52px;
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--sp);
  font-family: var(--pixel);
  font-size: 0.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text);
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand svg { display: block; }
.nav-links {
  display: flex;
  align-items: stretch;
  gap: calc(var(--sp) * 0.5);
  flex: 1 1 auto;
  min-width: 0;                 /* allow shrinking below content instead of overflowing the header */
  justify-content: flex-end;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a {
  display: flex;
  align-items: center;
  padding: 0 calc(var(--sp) * 1.5);
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-2);
  border-bottom: 3px solid transparent;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links a[aria-current="page"] {
  color: var(--text);
  border-bottom-color: var(--accent);
}
/* Buy stands out from the other nav links as a filled CTA, not just another tab. */
.nav-links a.nav-buy {
  margin-left: calc(var(--sp) * 0.5);
  padding: 0 calc(var(--sp) * 2);
  color: var(--on-accent);
  background: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.5px;
}
.nav-links a.nav-buy:hover { color: var(--on-accent); box-shadow: inset 0 0 0 999px rgba(0, 0, 0, 0.12); }
.nav-links a.nav-buy[aria-current="page"] { border-bottom-color: var(--on-accent); }
.theme-toggle {
  flex: none;
  margin-left: auto;             /* stays hard-right when the links wrap to their own row */
  background: transparent;
  border: 1px solid var(--divider);
  color: var(--text-2);
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: calc(var(--sp) * 0.75) var(--sp);
  cursor: pointer;
  line-height: 1;
}
.theme-toggle:hover { color: var(--text); border-color: var(--accent); }

/* Narrow screens: links get their own full-width scrollable row under brand + toggle. */
@media (max-width: 560px) {
  .nav-inner { flex-wrap: wrap; min-height: 0; padding-top: calc(var(--sp) * 1.25); }
  .nav-links {
    order: 3;
    flex-basis: 100%;
    justify-content: flex-start;
    border-top: 1px solid var(--divider);
  }
  .nav-links a { padding: calc(var(--sp) * 1.25) calc(var(--sp) * 1.25); }
}

/* ---------- cards & grids ---------- */
.card {
  background: var(--paper);
  border: 1px solid var(--divider);
  padding: calc(var(--sp) * 3);
  margin-bottom: calc(var(--sp) * 2);
}
.card h2, .card h3 { margin-top: 0; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: calc(var(--sp) * 2);
}
/* Two side-by-side capability lists under the homepage tile grid. */
.feature-lists { margin-top: calc(var(--sp) * 4); grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
/* Pricing cards (homepage + buy.html): grid items stretch to equal height by
   default, so a column layout with the button pinned to the bottom (margin-top:
   auto) keeps every Buy button aligned regardless of how much text is above it. */
.tile.pricing-tile { display: flex; flex-direction: column; }
.tile.pricing-tile h3 { margin: var(--sp) 0; }
.tile.pricing-tile .btn-row { margin-top: auto; margin-bottom: 0; }
.tile.pricing-tile .chip { align-self: flex-start; margin-bottom: var(--sp); }
.tile.pricing-tile.featured { border-color: var(--accent); }
.feature-lists h3 { margin-top: 0; }
.feature-lists ul { margin: 0; }
.tile {
  display: block;
  background: var(--paper);
  border: 1px solid var(--divider);
  padding: calc(var(--sp) * 3);
  color: var(--text);
  transition: border-color 0.15s, background-color 0.15s;
}
.tile:hover {
  text-decoration: none;
  border-color: var(--accent);
  background: var(--accent-wash);
}
.tile .k {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--accent);
}
.tile h3 { margin: var(--sp) 0; color: var(--text); }
.tile p { margin: 0; color: var(--text-2); font-size: 0.92rem; }

/* ---------- chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: calc(var(--sp) * 0.75); margin: var(--sp) 0 calc(var(--sp) * 2); }
.chip {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text);
  background: var(--accent-wash);
  border: 1px solid var(--divider);
  padding: calc(var(--sp) * 0.5) var(--sp);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: calc(var(--sp) * 1.25) calc(var(--sp) * 2.5);
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
  cursor: pointer;
}
.btn:hover { text-decoration: none; background: var(--accent-wash); }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent); box-shadow: 0 0 6px var(--accent); }
.btn-row { display: flex; flex-wrap: wrap; gap: calc(var(--sp) * 1.5); margin: calc(var(--sp) * 2) 0; }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--divider); margin-bottom: calc(var(--sp) * 2); }
table { border-collapse: collapse; width: 100%; font-size: 0.9rem; }
th, td { text-align: left; padding: calc(var(--sp) * 1.25) calc(var(--sp) * 1.75); border-bottom: 1px solid var(--divider); vertical-align: top; }
th { font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-2); background: var(--accent-wash); }
tr:last-child td { border-bottom: 0; }
td code { white-space: nowrap; }

/* ---------- details / accordion ---------- */
details {
  border: 1px solid var(--divider);
  background: var(--paper);
  padding: 0 calc(var(--sp) * 2);
  margin-bottom: calc(var(--sp) * 2);
}
details > summary {
  font-family: var(--mono);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: calc(var(--sp) * 1.75) 0;
  cursor: pointer;
  color: var(--text);
}
details[open] > summary { border-bottom: 1px solid var(--divider); margin-bottom: calc(var(--sp) * 2); }

/* ---------- callouts ---------- */
.note {
  border-left: 3px solid var(--accent);
  background: var(--accent-wash);
  padding: calc(var(--sp) * 1.5) calc(var(--sp) * 2);
  margin: calc(var(--sp) * 2) 0;
  font-size: 0.92rem;
}
.note strong { color: var(--accent); }

/* ---------- ordered "steps" list ---------- */
ol.steps { list-style: none; counter-reset: step; padding: 0; }
ol.steps > li {
  counter-increment: step;
  position: relative;
  padding: 0 0 calc(var(--sp) * 3) calc(var(--sp) * 5);
  margin: 0;
}
ol.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: calc(var(--sp) * 3.5);
  height: calc(var(--sp) * 3.5);
  display: grid;
  place-items: center;
  font-family: var(--pixel);
  font-size: 0.7rem;
  color: var(--on-accent);
  background: var(--accent);
}
ol.steps > li:last-child { padding-bottom: 0; }

/* ---------- photo slot ---------- */
.photo-slot {
  border: 1px dashed var(--divider);
  color: var(--text-2);
  font-family: var(--mono);
  font-size: 0.8rem;
  text-align: center;
  padding: calc(var(--sp) * 5) calc(var(--sp) * 2);
  margin: calc(var(--sp) * 2) 0;
  background:
    repeating-linear-gradient(45deg, transparent, transparent 10px, var(--accent-wash) 10px, var(--accent-wash) 11px);
}

/* ---------- simulated LED panel ---------- */
.led-frame {
  background: var(--led-bg);
  border: 1px solid var(--divider);
  padding: calc(var(--sp) * 2);
  overflow: hidden;
}
.led-frame svg { display: block; width: 100%; height: auto; image-rendering: pixelated; }
.led-cap { font-family: var(--mono); font-size: 0.75rem; color: var(--text-2); margin-top: var(--sp); }
.marquee { animation: marquee 9s linear infinite; }
@keyframes marquee { from { transform: translateX(64px); } to { transform: translateX(-64px); } }

/* ---------- interactive panel simulation ---------- */
.led-sim { min-width: 0; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
#panel-sim {
  display: block;
  width: 100%;
  height: auto;            /* beat the height="32" presentational hint so aspect-ratio wins */
  aspect-ratio: 2 / 1;
  image-rendering: pixelated;
  background: var(--led-bg);
  border: 1px solid var(--divider);
  cursor: pointer;
}
#panel-sim:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.led-sim-bar {
  display: flex; align-items: center; gap: var(--sp);
  margin-top: var(--sp); flex-wrap: wrap;
}
.sim-btn {
  font-family: var(--mono); font-size: 0.85rem; line-height: 1;
  background: transparent; color: var(--text-2);
  border: 1px solid var(--divider); padding: calc(var(--sp) * 0.5) var(--sp);
  cursor: pointer; min-width: 26px;
}
.sim-btn:hover { color: var(--text); border-color: var(--accent); }
.led-sim-bar .led-cap { margin: 0; flex: 1 1 6em; }
.sim-bright { display: flex; align-items: center; }
.sim-bright input[type="range"] { accent-color: var(--accent); width: 84px; height: 14px; }
.led-sim-dots { display: flex; gap: 4px; margin-top: var(--sp); }
.led-sim-dots button {
  width: 10px; height: 10px; padding: 0; cursor: pointer;
  border: 1px solid var(--divider); background: transparent;
}
.led-sim-dots button:hover { border-color: var(--accent); }
.led-sim-dots button[aria-current="true"] { background: var(--accent); border-color: var(--accent); }

.device-shot { margin: 0 0 calc(var(--sp) * 2); }
.device-gallery-frame { position: relative; width: 100%; margin: 0 auto; aspect-ratio: 16 / 9; }
.device-shot img {
  display: block; width: 100%; height: 100%; object-fit: contain;
  border: 1px solid var(--divider); background: var(--paper);
}
.device-gallery-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 32px; height: 32px; border: 1px solid var(--divider); background: var(--paper);
  color: inherit; cursor: pointer; opacity: .85;
}
.device-gallery-nav:hover { opacity: 1; border-color: var(--accent); }
.device-gallery-nav.prev { left: 8px; }
.device-gallery-nav.next { right: 8px; }
.device-shot .led-sim-dots { margin-top: var(--sp); justify-content: center; }
.device-shot figcaption { margin-top: var(--sp); }

/* ---------- Kickstarter announcement banner (all pages) ---------- */
.ks-banner {
  display: block;
  text-align: center;
  background: var(--accent);
  color: var(--on-accent);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: calc(var(--sp) * 1.25) calc(var(--sp) * 2);
}
.ks-banner:hover { color: var(--on-accent); text-decoration: none; box-shadow: inset 0 0 0 999px rgba(0, 0, 0, 0.12); }

/* ---------- Kickstarter callout card (homepage) ---------- */
.ks-card {
  display: flex; align-items: center; gap: calc(var(--sp) * 3); flex-wrap: wrap;
  border-color: var(--accent); background: var(--accent-wash);
}
.ks-card-text { flex: 1 1 320px; }
.ks-card-text .k { display: block; margin-bottom: var(--sp); }
.ks-card-text h2 { margin-top: 0; }
.ks-widget { flex: none; border: 1px solid var(--accent); background: var(--paper); max-width: 100%; }

/* ---------- homepage reel: device footage + live UI, one auto-playing loop ---------- */
.reel { margin: 0; }
.reel-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--led-bg);
  border: 1px solid var(--divider);
  overflow: hidden;
}
.reel-scene {
  position: absolute; inset: 0;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s linear;
}
.reel-scene.is-active { opacity: 1; pointer-events: auto; }
.reel-scene img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; border: 0; background: none;
}
.reel-chrome {
  position: absolute; top: 0; left: 0; right: 0; height: 24px;
  background: rgba(5, 5, 5, 0.85);
  display: flex; align-items: center; gap: 8px; padding: 0 12px;
  font-family: var(--mono); font-size: 11px; color: var(--text-2);
  border-bottom: 1px solid var(--divider); z-index: 2;
}
.reel-chrome .reel-dots { display: flex; gap: 4px; }
.reel-chrome .reel-dots i { width: 5px; height: 5px; background: var(--text-2); opacity: 0.5; display: block; }
.reel-chrome .reel-url { color: var(--accent); }
.reel-scrim {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  padding: calc(var(--sp) * 2) calc(var(--sp) * 2.25) calc(var(--sp) * 2);
  background: linear-gradient(180deg, transparent, rgba(5, 5, 5, 0.55) 35%, rgba(5, 5, 5, 0.92));
}
.reel-tag {
  display: block; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 1.5px;
  color: var(--accent); text-transform: uppercase; margin-bottom: calc(var(--sp) * 0.75);
}
.reel-headline {
  font-family: var(--pixel); font-weight: 400; color: var(--text);
  font-size: clamp(0.72rem, 0.55rem + 1vw, 0.95rem); line-height: 1.45; margin: 0;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}
.reel-scene.reel-cta {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: calc(var(--sp) * 3); gap: calc(var(--sp) * 1.5); background: var(--led-bg);
}
.reel-cta-word { font-family: var(--pixel); font-size: clamp(1.4rem, 1rem + 3vw, 2.4rem); color: var(--accent); letter-spacing: 3px; }
.reel-cta-sub { font-family: var(--prose); font-size: clamp(0.75rem, 0.6rem + 0.6vw, 0.9rem); color: var(--text); max-width: 42ch; margin: 0; }
.reel-rail { display: grid; grid-auto-flow: column; gap: 4px; margin-top: var(--sp); }
.reel-seg {
  height: 3px; background: rgba(255, 214, 140, 0.16); border: 0; padding: 0; cursor: pointer;
  position: relative; overflow: hidden;
}
.reel-seg i { position: absolute; inset: 0; width: 0%; background: var(--accent); display: block; }
.reel-seg.is-done i { width: 100%; transition: none; }
.reel-seg.is-active i { width: 100%; transition: width linear; }
.reel-controls { display: flex; align-items: center; justify-content: space-between; gap: var(--sp); margin-top: var(--sp); flex-wrap: wrap; }
.reel-controls .led-cap { margin: 0; }

/* ---------- hero ---------- */
.hero { padding: calc(var(--sp) * 4) 0 calc(var(--sp) * 2); }
.hero h1 { max-width: 20ch; }
.hero .lead { margin-bottom: calc(var(--sp) * 3); }
/* minmax(0, ...) so the pixel-font h1's min-content width can't stop the tracks
   from sharing space -- otherwise the right (panel) column gets squeezed. */
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: calc(var(--sp) * 4); align-items: center; }
@media (max-width: 760px) { .hero-grid { grid-template-columns: 1fr; } }

/* ---------- view gallery ---------- */
.mini-panel {
  display: block; width: 100%; height: auto; aspect-ratio: 2 / 1;
  image-rendering: pixelated; background: var(--led-bg);
  border: 1px solid var(--divider); margin-bottom: var(--sp);
}
.sprite-tile {
  display: block; width: 100%; height: auto; aspect-ratio: 1 / 1;
  image-rendering: pixelated; background: var(--led-bg);
  border: 1px solid var(--divider); margin-bottom: calc(var(--sp) * 0.5);
}
.view-card h3 { margin: 0 0 calc(var(--sp) * 0.5); }
.view-card p { margin: 0 0 var(--sp); font-size: 0.9rem; }
.view-card .badge-setup {
  display: inline-block; font-family: var(--mono); font-size: 0.72rem; color: var(--accent);
  border: 1px solid var(--divider); padding: 2px 6px; margin-bottom: var(--sp);
}
.sprite-grid, .anim-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: calc(var(--sp) * 1.5); margin-bottom: calc(var(--sp) * 2);
}
.sprite-grid figure, .anim-grid figure { margin: 0; text-align: center; }
.sprite-grid figcaption, .anim-grid figcaption { font-size: 0.75rem; color: var(--text-2); }

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--divider);
  color: var(--text-2);
  font-family: var(--mono);
  font-size: 0.8rem;
}
.footer .container { padding-top: calc(var(--sp) * 3); padding-bottom: calc(var(--sp) * 3); display: flex; flex-wrap: wrap; gap: calc(var(--sp) * 2); justify-content: space-between; }
.footer a { color: var(--text-2); }
.footer a:hover { color: var(--text); }

/* ---------- misc ---------- */
.muted { color: var(--text-2); }
.small { font-size: 0.85rem; }
.center { text-align: center; }
dl.spec { display: grid; grid-template-columns: max-content 1fr; gap: var(--sp) calc(var(--sp) * 2); margin: 0; }
dl.spec dt { font-family: var(--mono); font-size: 0.82rem; color: var(--text-2); }
dl.spec dd { margin: 0; }

@media (prefers-reduced-motion: reduce) {
  .marquee { animation: none; }
  * { transition: none !important; }
}