/* Shared DecoderR presentation: landing hero and design-system preview. */
body[data-preview="brand"] { min-width: 0; }
.decoder-brand-preview {
  width: min(100%, 960px);
  margin: 0 auto;
  padding: 8px;
  font-family: var(--ui-font);
}

.decoder-brand {
  --brand-spread: 1;
  --brand-ink: 1;
  --brand-cursor: 1;
  --brand-column: 96;
  --brand-tear: 0;
  --brand-accent: var(--ui-accent);
  container-type: inline-size;
  padding: clamp(12px, 3vw, 24px);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-panel);
  background: linear-gradient(140deg, var(--glass-highlight), transparent 35%), var(--bg-card);
  box-shadow: var(--glass-sheen), 0 20px 50px -25px var(--shadow);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate, 160%));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate, 160%));
  transition: box-shadow .25s ease, border-color .25s ease;
}

.decoder-brand:hover {
  box-shadow: var(--glass-sheen-hover), 0 24px 60px -25px var(--shadow);
}

/* Embedded in a glass terminal; the host provides the outer panel. */
.decoder-brand--embedded,
.decoder-brand--embedded:hover {
  min-width: 0;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.decoder-brand-heading,
.decoder-brand-edition,
.decoder-brand-loop,
.decoder-brand-screenbar,
.decoder-brand-screenfoot,
.decoder-brand-controls,
.decoder-brand-actions {
  display: flex;
  align-items: center;
}

.decoder-brand-heading { justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.decoder-brand-edition { gap: 10px; color: var(--muted); font: 10px/1.5 var(--mono); letter-spacing: .04em; }
.decoder-brand-edition > span { color: var(--brand-accent); font-size: 18px; }
.decoder-brand-loop { gap: 7px; color: var(--muted); font: 9px/1.5 var(--mono); letter-spacing: .06em; }
.decoder-brand-loop > i { width: 5px; height: 5px; border-radius: 50%; background: var(--brand-accent); }

.decoder-brand-screen {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--monitor-rim);
  border-radius: var(--radius-monitor);
  background: radial-gradient(ellipse at 50% 48%, color-mix(in srgb, var(--brand-accent) 12%, transparent), transparent 76%), var(--monitor-face);
  box-shadow: inset 0 1px 0 var(--glass-highlight), inset 0 0 55px -12px var(--crt-edge), 0 3px 8px -5px var(--shadow);
}

/* Housing, raster, vignette and RGB grille come from the primary .crt-screen.
   The same .crt-roll carries a visible refresh beam over both host pages. */
.decoder-brand-noise { animation: decoder-brand-grain .38s steps(2, end) infinite paused; }
.decoder-brand-roll {
  opacity: max(.28, var(--crt-beam));
  animation: crt-scan 8s linear infinite paused;
}
.decoder-brand-roll::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 93%;
  height: 1px;
  background: var(--cyan-bright);
  box-shadow: 0 0 8px 1px color-mix(in srgb, var(--cyan) 55%, transparent);
}
.decoder-brand[data-playback="playing"] .decoder-brand-noise,
.decoder-brand[data-playback="playing"] .decoder-brand-roll,
.decoder-brand[data-playback="playing"] .decoder-brand-wordmark { animation-play-state: running; }
.decoder-brand[data-motion="reduced"] .decoder-brand-roll { display: none; }

@keyframes decoder-brand-grain {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(-2%, 1%); }
  50% { transform: translate(1%, -2%); }
  75% { transform: translate(-1%, -1%); }
}
@keyframes decoder-brand-phosphor {
  0%, 26%, 70%, 100% { opacity: 1; }
  25% { opacity: .98; }
  69% { opacity: .975; }
}

.decoder-brand-screenbar,
.decoder-brand-screenfoot {
  position: relative;
  z-index: 2;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  padding: 13px 16px;
  color: var(--muted);
  font: 9px/1.6 var(--mono);
  letter-spacing: .04em;
}
.decoder-brand-screenbar { border-bottom: 1px solid var(--border-subtle); }
.decoder-brand-command { color: var(--brand-accent); }
.decoder-brand-screenfoot { border-top: 1px solid var(--border-subtle); font-size: 8px; }
.decoder-brand-stage { height: clamp(190px, 38cqi, 310px); display: grid; place-items: center; }
.decoder-brand-wordmark {
  position: relative;
  width: 130ch;
  height: 13em;
  color: var(--brand-accent);
  font: 700 clamp(2.5px, .9cqi, 8px)/1 var(--mono);
  letter-spacing: 0;
  text-shadow: 0 0 1px color-mix(in srgb, var(--brand-accent) 55%, transparent), 0 0 8px color-mix(in srgb, var(--brand-accent) 28%, transparent), 0 0 20px color-mix(in srgb, var(--brand-accent) 10%, transparent);
  transform: translateX(calc(var(--brand-tear) * 1px));
  animation: decoder-brand-phosphor 4.2s steps(1, end) infinite paused;
  -webkit-font-smoothing: none;
}
.decoder-brand-wordmark pre { margin: 0; padding: 0; border: 0; background: none; color: inherit; font: inherit; white-space: pre; overflow: visible; }
.decoder-brand-brace {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 7ch;
  height: 11em;
  overflow: visible;
}
.decoder-brand-brace-left { transform: translate(calc(-100% - 8ch - var(--brand-spread) * 48ch), -50%); }
.decoder-brand-brace-right { transform: translate(calc(8ch + var(--brand-spread) * 48ch), -50%); }
.decoder-brand-word {
  display: flex;
  position: absolute;
  top: 50%;
  left: 50%;
  width: calc((var(--brand-column) + 8) * 1ch);
  height: 7em;
  transform: translate(-50%, -50%);
  opacity: var(--brand-ink);
  white-space: pre;
}
.decoder-brand-word [data-brand-letters] { position: relative; width: max(0ch, calc((var(--brand-column) - 2) * 1ch)); height: 7em; overflow: hidden; }
.decoder-brand-word [data-brand-letters]::before,
.decoder-brand-word [data-brand-letters]::after { content: attr(data-ascii); position: absolute; inset: 0; opacity: 0; pointer-events: none; white-space: pre; text-shadow: none; }
.decoder-brand[data-glitch="true"][data-playback="playing"] [data-brand-letters]::before { opacity: .85; color: var(--cyan-bright); clip-path: inset(22% 0 52%); transform: translateX(-3px); }
.decoder-brand[data-glitch="true"][data-playback="playing"] [data-brand-letters]::after { opacity: .65; color: var(--rose); clip-path: inset(62% 0 12%); transform: translateX(2px); }
.decoder-brand[data-glitch="true"][data-playback="playing"] .decoder-brand-word { text-shadow: -1px 0 color-mix(in srgb, var(--cyan) 65%, transparent), 1px 0 color-mix(in srgb, var(--rose) 45%, transparent); }
.decoder-brand:not([data-playback="playing"]) { --brand-tear: 0 !important; }
.decoder-brand-cursor { position: absolute; left: calc(var(--brand-column) * 1ch); bottom: 0; opacity: var(--brand-cursor); }
.decoder-brand-sequence { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; list-style: none; margin: 20px 0; padding: 0; }
.decoder-brand-sequence li { display: flex; gap: 8px; align-items: center; padding-top: 10px; border-top: 1px solid var(--border); color: var(--muted); font: 10px/1.5 var(--mono); }
.decoder-brand-sequence li > span:first-child { color: var(--faint); font-size: 9px; }
.decoder-brand-sequence li[data-active="true"] { color: var(--brand-accent); border-color: var(--brand-accent); }
.decoder-brand-sequence li[data-active="true"] > span:first-child { color: inherit; }
.decoder-brand-controls { justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.decoder-brand-actions { gap: 8px; flex-wrap: wrap; }
.decoder-brand-actions .button { min-height: 44px; gap: 7px; font-size: 12px; }
.decoder-brand-note { color: var(--muted); font: 10px/1.6 var(--mono); }
.decoder-brand-actions .button:focus-visible { outline: 2px solid var(--brand-accent); outline-offset: 3px; }

@container (max-width: 360px) {
  .decoder-brand-loop { display: none; }
  .decoder-brand-screenbar, .decoder-brand-screenfoot { padding: 10px; font-size: 8px; }
  .decoder-brand-screenbar [data-brand-phase-label] { display: none; }
  .decoder-brand-sequence { gap: 8px; }
  .decoder-brand-sequence li { gap: 5px; font-size: 9px; }
}

@media (prefers-reduced-motion: reduce) {
  .decoder-brand[data-motion="reduced"] { --brand-spread: 1 !important; --brand-ink: 1 !important; --brand-cursor: 1 !important; }
  /* Only an explicitly requested demo opts back into motion. The reusable
     default still shows a stationary logo without a beam or blinking. */
  .decoder-brand[data-motion="preview"] .decoder-brand-roll {
    display: block !important;
    animation-duration: 8s !important;
    animation-iteration-count: infinite !important;
  }
  .decoder-brand[data-motion="preview"] .decoder-brand-noise {
    animation-duration: .38s !important;
    animation-iteration-count: infinite !important;
  }
  .decoder-brand[data-motion="preview"] .decoder-brand-wordmark {
    animation-duration: 4.2s !important;
    animation-iteration-count: infinite !important;
  }
}