/* ========= XTAPPS — rack-unit redesign ========= */

:root {
  /* Exact palette from original site */
  --bg-primary: #050507;
  --bg-secondary: #0C0C10;
  --bg-card: #111118;
  --bg-card-hover: #16161F;
  --border: #1E1E2A;
  --border-hover: #2A2A3A;

  --green: #A3FF00;
  --green-dim: #7ACC00;
  --green-glow: rgba(163, 255, 0, 0.15);
  --green-glow-strong: rgba(163, 255, 0, 0.3);

  --purple: #7B2FFF;
  --purple-dim: #6320DD;
  --purple-glow: rgba(123, 47, 255, 0.15);
  --purple-glow-strong: rgba(123, 47, 255, 0.3);

  --text-primary: #F0E8DC;
  --text-secondary: #8A8A9A;
  --text-muted: #55556A;
  --red: #FF3C3C;

  /* Resolved accent (swappable via Tweaks) */
  --accent: var(--green);
  --accent-dim: var(--green-dim);
  --accent-glow: var(--green-glow);
  --accent-glow-strong: var(--green-glow-strong);
  --counter: var(--purple);
  --counter-dim: var(--purple-dim);
  --counter-glow: var(--purple-glow);

  --font-display: 'Archivo Black', 'Inter Tight', sans-serif;
  --font-sans: 'Inter Tight', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Berkeley Mono', ui-monospace, monospace;

  --gutter: 32px;
  --unit: 8px;
  --rack-h: 160px;

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

[data-accent="purple"] {
  --accent: var(--purple);
  --accent-dim: var(--purple-dim);
  --accent-glow: var(--purple-glow);
  --accent-glow-strong: var(--purple-glow-strong);
  --counter: var(--green);
  --counter-dim: var(--green-dim);
  --counter-glow: var(--green-glow);
}

[data-mono="true"] {
  --accent: var(--text-primary);
  --accent-dim: var(--text-secondary);
  --accent-glow: rgba(240, 232, 220, 0.1);
  --accent-glow-strong: rgba(240, 232, 220, 0.25);
  --counter: var(--text-secondary);
  --counter-dim: var(--text-muted);
  --counter-glow: rgba(138, 138, 154, 0.1);
}

[data-density="compact"] {
  --gutter: 20px;
  --rack-h: 120px;
}

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

html {
  scroll-behavior: smooth;
}
html, body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
body { overflow-x: clip; }

body {
  background:
    radial-gradient(1200px 600px at 80% -10%, var(--accent-glow), transparent 60%),
    radial-gradient(900px 500px at -10% 40%, var(--counter-glow), transparent 60%),
    var(--bg-primary);
  min-height: 100vh;
}

/* Grid overlay */
body[data-grid="true"]::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(163,255,0,0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(163,255,0,0.02) 1px, transparent 1px);
  background-size: 80px 80px;
  z-index: 9999;
  mix-blend-mode: screen;
}

/* Mouse-follow spotlight (toggle via body[data-cursor="off"]) */
body::after {
  content: "";
  position: fixed;
  pointer-events: none;
  width: 600px;
  height: 600px;
  left: var(--mx, 50%);
  top: var(--my, 50%);
  transform: translate(-50%, -50%);
  background: radial-gradient(circle at center,
    color-mix(in srgb, var(--accent) 12%, transparent) 0%,
    color-mix(in srgb, var(--accent) 4%, transparent) 35%,
    transparent 70%);
  z-index: 1;
  opacity: 0;
  transition: opacity 0.3s;
  mix-blend-mode: screen;
  filter: blur(8px);
}
body.cursor-active::after { opacity: 1; }
body[data-cursor="off"]::after { display: none; }

/* Cursor dot — hidden (kept for compat) */
.cursor-dot { display: none !important; }
.cursor-dot--legacy {
  position: fixed;
  pointer-events: none;
  width: 10px;
  height: 10px;
  border: 1px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 30%, transparent);
  left: var(--mx, -100px);
  top: var(--my, -100px);
  transform: translate(-50%, -50%);
  z-index: 9998;
  transition: width 0.18s, height 0.18s, background 0.18s, opacity 0.2s;
  opacity: 0;
}
body.cursor-active .cursor-dot { opacity: 1; }
.cursor-dot.hover {
  width: 36px;
  height: 36px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

::selection { background: var(--accent); color: #000; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

/* ========= Typography ========= */
.display {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 0.86;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

/* ========= Layout ========= */
.wrap {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ========= Nav / top bar ========= */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 5, 7, 0.82);
  backdrop-filter: blur(12px) saturate(1.4);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  border-bottom: 1px solid var(--border);
}
.topbar__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.02em;
}
.brand__logo {
  height: 45px;
  width: auto;
  max-width: 280px;
  max-height: 56px;
  display: block;
  object-fit: contain;
}
.footer__logo {
  height: 96px;
  width: auto;
  max-width: 360px;
  max-height: 96px;
  display: block;
  margin-bottom: 4px;
  object-fit: contain;
}
.brand__mark {
  width: 28px; height: 28px;
  background: var(--accent);
  display: grid;
  place-items: center;
  color: #000;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  transform: rotate(45deg);
}
.brand__mark span { transform: rotate(-45deg); }
.nav {
  display: flex;
  gap: 28px;
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.nav a {
  color: var(--text-secondary);
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav a:hover { color: var(--accent); }
.nav a::before {
  content: attr(data-i);
  color: var(--text-muted);
  font-size: 10px;
}
.topbar__status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ========= Hero ========= */
.hero {
  position: relative;
  padding: 48px 0 80px;
  border-bottom: 1px solid var(--border);
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: stretch;
}
.hero__left {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 560px;
}
.hero__title {
  font-size: clamp(64px, 9.5vw, 148px);
  margin-top: 32px;
}
.hero__title .line { display: block; }
.hero__title .fill-accent { color: var(--accent); }
.hero__title .outline {
  -webkit-text-stroke: 2px var(--text-primary);
  color: transparent;
}
.hero__sub {
  max-width: 460px;
  color: var(--text-secondary);
  font-size: 16px;
  margin-top: 24px;
}
.hero__ctas {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  transition: all 0.2s var(--ease);
  position: relative;
  border: 1px solid transparent;
}
.btn--primary {
  background: var(--accent);
  color: #000;
  box-shadow: 0 0 0 0 var(--accent-glow-strong);
}
.btn--primary:hover {
  background: var(--accent);
  box-shadow: 0 0 32px var(--accent-glow-strong);
  transform: translateY(-1px);
}
.btn--ghost {
  border-color: var(--border-hover);
  color: var(--text-primary);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn__arrow { font-family: var(--font-mono); font-size: 14px; }

/* Hero right — oscilloscope panel */
.scope-panel {
  background: linear-gradient(180deg, var(--bg-card), var(--bg-secondary));
  border: 1px solid var(--border);
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 560px;
}
.scope-panel__header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  gap: 16px;
}
.scope-panel__header .dots {
  display: flex; gap: 6px;
}
.scope-panel__header .dots i {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--border-hover);
}
.scope-panel__header .dots i:first-child { background: var(--accent); box-shadow: 0 0 6px var(--accent); }
.scope-panel__title { text-align: center; color: var(--text-primary); }
.scope-panel__freq { color: var(--accent); }

.scope-canvas-wrap {
  position: relative;
  flex: 1;
  background:
    linear-gradient(to right, rgba(163,255,0,0.04) 1px, transparent 1px) 0 0 / 40px 100%,
    linear-gradient(to bottom, rgba(163,255,0,0.04) 1px, transparent 1px) 0 0 / 100% 40px,
    radial-gradient(ellipse at center, rgba(163,255,0,0.05), transparent 70%),
    var(--bg-primary);
  overflow: hidden;
}
.scope-canvas-wrap canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* Panel controls (knobs) */
.scope-controls {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
}
.knob-cell {
  padding: 16px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.knob-cell:last-child { border-right: none; }

.knob {
  position: relative;
  width: 56px; height: 56px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, #2a2a3a, #0c0c10 70%);
  border: 1px solid var(--border-hover);
  cursor: grab;
  user-select: none;
  touch-action: none;
  transition: box-shadow 0.2s;
}
.knob:active { cursor: grabbing; }
.knob:hover { box-shadow: 0 0 24px var(--accent-glow); }
.knob__indicator {
  position: absolute;
  top: 4px;
  left: 50%;
  width: 2px;
  height: 22px;
  background: var(--accent);
  transform-origin: 50% 24px;
  transform: translateX(-50%) rotate(var(--ang, -135deg));
  box-shadow: 0 0 4px var(--accent);
}
.knob__ring {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: conic-gradient(from 225deg,
    var(--accent) 0%,
    var(--accent) calc(var(--pct, 50%) * 0.75),
    var(--border) calc(var(--pct, 50%) * 0.75),
    var(--border) 75%,
    transparent 75%);
  mask: radial-gradient(circle, transparent 56%, black 58%, black 62%, transparent 64%);
  -webkit-mask: radial-gradient(circle, transparent 56%, black 58%, black 62%, transparent 64%);
}
.knob-cell__label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}
.knob-cell__value {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  font-weight: 600;
}

/* Hero marquee / ticker */
.ticker {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  padding: 14px 0;
}
.ticker__track {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: ticker 40s linear infinite;
  width: max-content;
}
.ticker__item {
  display: flex; align-items: center; gap: 12px;
}
.ticker__item .dot {
  width: 6px; height: 6px; background: var(--accent);
  transform: rotate(45deg);
}
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ========= Stats rack ========= */
.stats-rack {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--border);
}
.stat {
  padding: 32px var(--gutter);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}
.stat:last-child { border-right: none; }
.stat__num {
  font-family: var(--font-display);
  font-size: 72px;
  line-height: 0.85;
  color: var(--accent);
  letter-spacing: -0.03em;
}
.stat__num--small {
  font-size: 48px;
  color: var(--text-primary);
}
.stat__label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-secondary);
}
.stat__bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right, var(--accent) 0%, var(--accent) var(--pct, 100%), var(--border) var(--pct, 100%));
}
.stat__meter {
  display: flex;
  gap: 3px;
  margin-top: auto;
}
.stat__meter i {
  flex: 1;
  height: 8px;
  background: var(--border);
  position: relative;
}
.stat__meter i.on {
  background: var(--accent);
  box-shadow: 0 0 4px var(--accent);
}
.stat__meter i.on.yel { background: #e0d800; box-shadow: 0 0 4px #e0d800; }
.stat__meter i.on.red { background: var(--red); box-shadow: 0 0 4px var(--red); }

/* ========= Section header ========= */
.section {
  padding: 96px 0;
  border-bottom: 1px solid var(--border);
  position: relative;
  scroll-margin-top: 72px;
}
[data-density="compact"] .section { padding: 64px 0; }
.section__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: end;
  gap: 24px;
  margin-bottom: 56px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 24px;
}
.section__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.14em;
}
.section__title {
  font-size: clamp(36px, 5vw, 72px);
  line-height: 0.9;
}
.section__title em {
  font-style: normal;
  color: var(--accent);
}
.section__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.14em;
  text-align: right;
  line-height: 1.8;
}

/* ========= Products as rack units ========= */
.rack-unit {
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.015), transparent),
    var(--bg-card);
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s;
}
.rack-unit:hover { border-color: var(--border-hover); }
.rack-unit::before {
  content: "";
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 4px;
  background: var(--accent);
  opacity: 0.4;
}
.rack-unit--purple::before { background: var(--purple); }
.rack-unit--soon::before { background: var(--text-muted); }

.rack-unit__head {
  display: grid;
  grid-template-columns: 120px auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 16px 24px 16px 32px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.015);
}
.rack-unit__id {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}
.rack-unit__status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.rack-unit__status--live { color: var(--accent); }
.rack-unit__status--live::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 1.2s ease-in-out infinite;
}
.rack-unit__status--soon { color: var(--text-muted); }
.rack-unit__status--soon::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  border: 1px solid var(--text-muted);
}
.rack-unit__price {
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.rack-unit__price small {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  display: block;
  margin-top: 2px;
  font-weight: 400;
}
.rack-unit__body {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0;
}
.rack-unit__info {
  padding: 40px 32px;
  border-right: 1px solid var(--border);
}
.rack-unit__name {
  font-family: var(--font-display);
  font-size: 56px;
  line-height: 0.9;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
[data-density="compact"] .rack-unit__name { font-size: 44px; }
.rack-unit__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 24px;
}
.rack-unit--purple .rack-unit__tag { color: var(--purple); }
.rack-unit__desc {
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 520px;
  margin-bottom: 32px;
}
.rack-unit__feats {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
}
.rack-unit__feats li {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}
.rack-unit__feats li::before {
  content: "›";
  color: var(--accent);
  position: absolute;
  left: 0;
  font-weight: 700;
}
.rack-unit--purple .rack-unit__feats li::before { color: var(--purple); }

.rack-unit__demo {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--bg-secondary);
}
.rack-unit__demo--video {
  padding: 20px;
}

/* Video frame (real YouTube embed) */
.video-frame {
  display: flex;
  flex-direction: column;
  background: #000;
  border: 1px solid var(--border);
  height: 100%;
  min-height: 280px;
}
.video-frame__head {
  display: flex;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}
.video-frame__embed {
  position: relative;
  flex: 1;
  aspect-ratio: 16 / 9;
}
.video-frame__embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* "Soon" panel for SampleForge */
.rack-unit__demo--soon { padding: 20px; }
.soon-panel {
  display: flex;
  flex-direction: column;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  height: 100%;
  min-height: 280px;
  overflow: hidden;
}
.soon-panel__head,
.soon-panel__foot {
  display: flex;
  justify-content: space-between;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}
.soon-panel__head { border-bottom: 1px solid var(--border); }
.soon-panel__foot { border-top: 1px solid var(--border); color: var(--purple); }
.soon-panel__body {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 28px;
  background:
    linear-gradient(to right, rgba(123,47,255,0.05) 1px, transparent 1px) 0 0 / 28px 100%,
    linear-gradient(to bottom, rgba(123,47,255,0.05) 1px, transparent 1px) 0 0 / 100% 28px,
    radial-gradient(ellipse at center, rgba(123,47,255,0.1), transparent 70%);
  overflow: hidden;
}
.soon-panel__scan {
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--purple), transparent);
  opacity: 0.6;
  animation: scan 3s linear infinite;
}
@keyframes scan {
  0% { top: 0%; }
  100% { top: 100%; }
}
.soon-panel__logo {
  width: 70%;
  max-width: 240px;
  max-height: 120px;
  height: auto;
  object-fit: contain;
  opacity: 0.9;
  filter: grayscale(0.2);
}
.soon-panel__label {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--text-primary);
  text-align: center;
}
.soon-panel__meta {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  text-align: center;
}

/* Changelog list */
.log-card__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.log-card__list li {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  padding-left: 14px;
  position: relative;
  line-height: 1.5;
  text-transform: none;
}
.log-card__list li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* AAF demo viz */
.aaf-demo {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.aaf-demo__label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}
.aaf-timeline {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  min-height: 220px;
}
.aaf-track {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 8px;
  align-items: center;
  height: 28px;
}
.aaf-track__name {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.aaf-track__lane {
  position: relative;
  height: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  overflow: hidden;
}
.aaf-clip {
  position: absolute;
  top: 2px; bottom: 2px;
  background: var(--accent);
  opacity: 0.85;
}
.aaf-clip--p { background: var(--purple); }
.aaf-clip__wave {
  position: absolute; inset: 0;
  background:
    linear-gradient(to right, transparent 0, transparent 3px, rgba(0,0,0,0.3) 3px, rgba(0,0,0,0.3) 4px, transparent 4px, transparent 7px, rgba(0,0,0,0.2) 7px, rgba(0,0,0,0.2) 8px, transparent 8px) repeat-x center/8px 100%;
  mix-blend-mode: multiply;
}
.aaf-playhead {
  position: absolute;
  top: 0; bottom: 0;
  width: 1px;
  background: var(--text-primary);
  left: 30%;
  box-shadow: 0 0 6px var(--text-primary);
}

/* ABLETUBE demo */
.abletube-demo {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
}
.abletube-url {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
}
.abletube-url__yt {
  width: 20px; height: 14px;
  background: var(--red);
  display: grid; place-items: center;
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  border-radius: 2px;
}
.abletube-url__host { color: var(--text-primary); }
.abletube-visualizer {
  flex: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  position: relative;
  min-height: 180px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 2px;
  padding: 16px;
}
.ab-bar {
  flex: 1;
  max-width: 14px;
  background: var(--purple);
  box-shadow: 0 0 8px var(--purple-glow-strong);
  transition: height 0.08s linear;
  transform-origin: bottom;
}
.abletube-transport {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
}
.abletube-btn {
  width: 36px; height: 28px;
  background: var(--purple);
  color: #fff;
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.1s;
}
.abletube-btn:hover { transform: scale(1.05); }
.abletube-btn.paused { background: var(--text-muted); }
.abletube-progress {
  height: 4px;
  background: var(--border);
  position: relative;
  overflow: hidden;
}
.abletube-progress__fill {
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 32%;
  background: var(--purple);
  box-shadow: 0 0 8px var(--purple);
}
.abletube-time {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

/* SampleForge demo */
.sf-demo {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
}
.sf-pads {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  flex: 1;
}
.sf-pad {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 10px;
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  position: relative;
  overflow: hidden;
}
.sf-pad:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.sf-pad.active {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}
.sf-pad__num {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--text-primary);
}
.sf-pad.active .sf-pad__num { color: #000; }
.sf-pad__hit {
  position: absolute;
  inset: 0;
  background: var(--accent);
  opacity: 0;
  pointer-events: none;
  animation: hit 0.4s var(--ease);
}
@keyframes hit {
  0% { opacity: 0.6; }
  100% { opacity: 0; }
}

.rack-unit__cta-row {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--border);
}
.rack-unit__cta-row > * {
  padding: 16px 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  border-right: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
  color: var(--text-secondary);
}
.rack-unit__cta-row > *:last-child { border-right: none; }
.rack-unit__cta-row a:hover,
.rack-unit__cta-row button:hover {
  color: var(--accent);
  background: var(--bg-card-hover);
}
.rack-unit__cta-row .primary {
  background: var(--accent);
  color: #000;
  justify-content: center;
  font-weight: 700;
}
.rack-unit__cta-row .primary:hover {
  background: var(--accent-dim);
  color: #000;
}
.rack-unit--purple .rack-unit__cta-row .primary { background: var(--purple); color: #fff; }
.rack-unit--purple .rack-unit__cta-row .primary:hover { background: var(--purple-dim); }

/* ========= About ========= */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.about__copy p {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  max-width: 540px;
}
.about__copy p strong { color: var(--text-primary); font-weight: 600; }
.about__principles {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
}
.principle {
  padding: 28px;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  align-items: center;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}
.principle:last-child { border-bottom: none; }
.principle:hover { background: var(--bg-card-hover); }
.principle__icon {
  width: 48px; height: 48px;
  background: var(--accent);
  color: #000;
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-size: 20px;
}
.principle__body h4 {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.02em;
  margin-bottom: 4px;
  text-transform: uppercase;
}
.principle__body p {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1.6;
}

/* ========= Changelog ========= */
.changelog {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.log-card {
  border: 1px solid var(--border);
  background: var(--bg-card);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  overflow: hidden;
}
.log-card__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}
.log-card__tag {
  padding: 4px 10px;
  border: 1px solid var(--border-hover);
  color: var(--text-primary);
}
.log-card__tag--ship { background: var(--accent); color: #000; border-color: var(--accent); }
.log-card__tag--dev { color: var(--accent); border-color: var(--accent); }
.log-card__tag--plan { color: var(--purple); border-color: var(--purple); }
.log-card__version {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.log-card h4 {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.01em;
  line-height: 1.1;
  text-transform: uppercase;
}
.log-card p {
  color: var(--text-secondary);
  font-size: 14px;
  flex: 1;
}
.log-card__progress {
  height: 2px;
  background: var(--border);
  position: relative;
  overflow: hidden;
}
.log-card__progress i {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  background: var(--accent);
  width: var(--p, 100%);
}
.log-card__meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.14em;
}

/* ========= FAQ — terminal ========= */
.faq-terminal {
  border: 1px solid var(--border);
  background: #000;
  overflow: hidden;
  font-family: var(--font-mono);
}
.faq-terminal__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 10px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-secondary);
  gap: 16px;
}
.faq-terminal__head .dots {
  display: flex; gap: 6px;
}
.faq-terminal__head .dots i {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--border-hover);
}
.faq-terminal__head .dots i:nth-child(1) { background: var(--red); }
.faq-terminal__head .dots i:nth-child(2) { background: #e0b000; }
.faq-terminal__head .dots i:nth-child(3) { background: var(--accent); }
.faq-terminal__body {
  padding: 28px 32px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-height: 600px;
  overflow-y: auto;
}
.faq-terminal__body::-webkit-scrollbar { width: 6px; }
.faq-terminal__body::-webkit-scrollbar-thumb { background: var(--border-hover); }

.faq-entry { margin-bottom: 24px; }
.faq-prompt {
  display: flex;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 6px;
  cursor: pointer;
  color: var(--text-primary);
}
.faq-prompt__user { color: var(--accent); }
.faq-prompt__cmd { color: var(--text-primary); }
.faq-prompt__q { color: var(--accent); font-weight: 600; }
.faq-entry[open] .faq-prompt__toggle { transform: rotate(90deg); }
.faq-prompt__toggle {
  margin-left: auto;
  color: var(--text-muted);
  transition: transform 0.2s;
}
.faq-answer {
  padding-left: 32px;
  color: var(--text-secondary);
  border-left: 1px dashed var(--border-hover);
  margin-left: 8px;
  padding-top: 4px;
  padding-bottom: 4px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}
.faq-entry.open .faq-answer { max-height: 400px; }
.faq-answer p { margin-bottom: 8px; }
.faq-answer code {
  background: var(--bg-secondary);
  padding: 2px 6px;
  color: var(--accent);
  border-radius: 2px;
  font-size: 12px;
}

/* ========= Contact ========= */
.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 0;
  border: 1px solid var(--border);
}
.contact-left {
  padding: 56px;
  border-right: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(163,255,0,0.03), transparent 60%);
}
.contact-left h3 {
  font-family: var(--font-display);
  font-size: 48px;
  line-height: 0.9;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}
.contact-left h3 em { font-style: normal; color: var(--accent); }
.contact-left p {
  color: var(--text-secondary);
  max-width: 420px;
  margin-bottom: 28px;
}
.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.channel {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  padding: 14px 0;
  border-top: 1px dashed var(--border-hover);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  align-items: center;
}
.channel__k { color: var(--text-muted); }
.channel__v { color: var(--text-primary); }
.channel__arrow { color: var(--accent); }

.contact-right {
  padding: 56px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--bg-secondary);
}
.contact-right h4 {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.contact-right p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 12px;
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-field label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}
.form-field input {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
}
.form-field input:focus { border-color: var(--accent); }
.form-msg {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  min-height: 16px;
  color: var(--accent);
}

/* ========= Footer ========= */
.footer {
  padding: 64px 0 32px;
  background: var(--bg-secondary);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 56px;
}
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 320px;
}
.footer__brand p {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.6;
}
.footer__col h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer__col a {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-primary);
  transition: color 0.2s;
}
.footer__col a:hover { color: var(--accent); }
.footer__bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}
.footer__bar div { display: flex; gap: 24px; }

/* ========= Tweaks panel ========= */
.tweaks {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 300px;
  background: var(--bg-card);
  border: 1px solid var(--border-hover);
  z-index: 1000;
  font-family: var(--font-mono);
  display: none;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}
.tweaks.open { display: block; }
.tweaks__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-secondary);
  background: var(--bg-secondary);
}
.tweaks__head .pulse { width: 8px; height: 8px; }
.tweaks__body { padding: 16px 14px; display: flex; flex-direction: column; gap: 16px; }
.tweak-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.tweak-row > label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}
.tweak-seg {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  border: 1px solid var(--border-hover);
}
.tweak-seg button {
  padding: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  border-right: 1px solid var(--border-hover);
  transition: all 0.15s;
}
.tweak-seg button:last-child { border-right: none; }
.tweak-seg button.on {
  background: var(--accent);
  color: #000;
}

/* ========= Responsive ========= */
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__left { min-height: auto; }
  .scope-panel { min-height: 420px; }
  .stats-rack { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2n) { border-right: none; }
  .rack-unit__head { grid-template-columns: 1fr 1fr; }
  .rack-unit__id, .rack-unit__status { grid-column: span 1; }
  .rack-unit__body { grid-template-columns: 1fr; }
  .rack-unit__info { border-right: none; border-bottom: 1px solid var(--border); }
  .about { grid-template-columns: 1fr; }
  .changelog { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-left, .contact-right { padding: 32px; border-right: none; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .nav { display: none; }
}