/* ═══════════════════════════════════════════════════════════════════════
   Patchwright — landing page styles
   Vanilla CSS. Live-flavored, signal-flow marketing identity.
   Sections: tokens · reset · primitives · header · hero · graph frame ·
   gap · pillars · strip · hall · get · footer · easter egg · responsive ·
   reduced-motion.
   ═══════════════════════════════════════════════════════════════════════ */

/* ───────────────────────── tokens ───────────────────────── */
:root {
  /* in-app theme, evolved for marketing (a touch darker + deeper field) */
  --pw-bg: #363636;
  --pw-bg-deep: #2b2b2b;
  --pw-bg-deepest: #232323;
  --pw-panel: #292929;
  --pw-input: #1f1f1f;
  --pw-border: #121212;
  --pw-text: #cccccc;
  /* Marketing token: nudged from the in-app #808080 to #a0a0a0 so muted
     secondary text clears WCAG AA (4.5:1) on every panel shade. Still reads
     as the same dim "signal-off" grey. */
  --pw-text-2: #a0a0a0;
  --pw-text-hi: #f1f1f1;
  --pw-accent: #ffae57;       /* Live orange */
  --pw-accent-dim: #c9803c;

  /* node-kind colors */
  --k-trigger: #ffae57;
  --k-object:  #5aaae2;
  --k-set:     #e0646d;
  --k-action:  #69b77a;
  --k-logic:   #b68af0;
  --k-music:   #47bfff;
  --k-ui:      #d6c36a;

  /* type */
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo, "Cascadia Code", Consolas, monospace;

  /* fluid type scale (minor-third-ish, clamped) */
  --t-xs: clamp(0.72rem, 0.69rem + 0.15vw, 0.8rem);
  --t-sm: clamp(0.82rem, 0.78rem + 0.2vw, 0.92rem);
  --t-base: clamp(0.98rem, 0.93rem + 0.25vw, 1.08rem);
  --t-lg: clamp(1.15rem, 1.05rem + 0.5vw, 1.35rem);
  --t-xl: clamp(1.5rem, 1.25rem + 1.2vw, 2.1rem);
  --t-2xl: clamp(2.1rem, 1.6rem + 2.4vw, 3.4rem);
  --t-3xl: clamp(2.8rem, 1.9rem + 4.2vw, 5.2rem);

  /* spacing rhythm */
  --space-section: clamp(4.5rem, 3rem + 7vw, 9rem);
  --gutter: clamp(1.1rem, 0.6rem + 2.4vw, 3rem);
  --maxw: 1180px;

  --radius: 12px;
  --radius-sm: 8px;
  --ring: 0 0 0 2px var(--pw-bg), 0 0 0 4px var(--pw-accent);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  /* snappy mechanical response — short, transform-only, never laggy */
  --ease-snap: cubic-bezier(0.2, 0.9, 0.25, 1);
  --t-press: 90ms;
  --t-hover: 150ms;

  /* ── industrial "Patchbay Workbench" surface kit ──────────────────
     Flat, not photoreal: brushed metal = a 3-stop vertical gradient;
     screws = radial dots with a slot; engraving = paired text-shadows.
     One accent stays orange — these are all neutral/structural. */
  --metal-face: linear-gradient(180deg, #3a3a3a 0%, #2e2e2e 46%, #262626 54%, #2a2a2a 100%);
  --metal-rail: linear-gradient(180deg, #404040, #2c2c2c 60%, #242424);
  --metal-edge-hi: rgba(255, 255, 255, 0.07);   /* top bevel highlight */
  --metal-edge-lo: rgba(0, 0, 0, 0.55);          /* bottom bevel shade */
  --screw: radial-gradient(circle at 42% 34%, #7e7e7e 0%, #454545 42%, #1c1c1c 74%, #070707 90%, transparent 95%);
  --engrave: 0 1px 0 rgba(255, 255, 255, 0.06), 0 -1px 0 rgba(0, 0, 0, 0.55);
  --hazard: repeating-linear-gradient(45deg, var(--pw-accent) 0 7px, #1a1207 7px 14px);
  --plate-shadow: 0 1px 0 var(--metal-edge-hi) inset, 0 -1px 0 var(--metal-edge-lo) inset, 0 2px 6px -3px rgba(0,0,0,0.8);
}

/* ───────────────────────── reset ───────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scrollbar-color: var(--pw-accent-dim) var(--pw-bg-deep);
}

body {
  font-family: var(--font-sans);
  font-size: var(--t-base);
  line-height: 1.62;
  color: var(--pw-text);
  background:
    radial-gradient(1200px 700px at 78% -8%, rgba(255, 174, 87, 0.10), transparent 60%),
    radial-gradient(900px 600px at 8% 12%, rgba(90, 170, 226, 0.06), transparent 55%),
    var(--pw-bg);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
code { font-family: var(--font-mono); font-size: 0.92em; }

:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  border-radius: 4px;
}

/* faint engraved grid behind everything — the "patch board" */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 38px 38px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 30%, #000 40%, transparent 100%);
}

/* decorative scanline sweep (oscilloscope micro-touch) */
.scanlines {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  /* plain alpha (no mix-blend-mode): identical look on this dark field but
     skips the full-viewport compositing re-blend on every scroll/paint. */
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 2px,
    rgba(0, 0, 0, 0.07) 3px,
    transparent 4px
  );
  opacity: 0.55;
}

/* ───────────────────── accessibility helpers ───────────────────── */
.skip-link {
  position: absolute;
  left: 0.5rem;
  top: -3rem;
  z-index: 100;
  background: var(--pw-accent);
  color: #1a1207;
  font-weight: 700;
  padding: 0.55rem 1rem;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  transition: top 0.18s var(--ease-out);
}
.skip-link:focus { top: 0; }

.visually-hidden,
.visually-hidden:not(:focus):not(:active) {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

/* ───────────────────────── primitives ───────────────────────── */
.section-title {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--t-2xl);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--pw-text-hi);
}
.section-title__index {
  display: inline-block;
  font-size: 0.4em;
  vertical-align: middle;
  color: var(--pw-accent);
  margin-right: 0.7em;
  padding: 0.2em 0.55em;
  border: 1px solid var(--pw-border);
  border-radius: 999px;
  background: var(--pw-input);
  letter-spacing: 0.06em;
}
.accent { color: var(--pw-accent); }
em { color: var(--pw-text-hi); font-style: normal; font-weight: 600; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6ch;
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--pw-text-2);
  margin-bottom: 1.4rem;
}
.eyebrow__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--pw-accent);
  box-shadow: 0 0 0 0 rgba(255, 174, 87, 0.55);
  animation: pulse-dot 2.4s ease-out infinite;
}
@keyframes pulse-dot {
  0%   { box-shadow: 0 0 0 0 rgba(255, 174, 87, 0.5); }
  70%  { box-shadow: 0 0 0 7px rgba(255, 174, 87, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 174, 87, 0); }
}

/* buttons */
.btn {
  --btn-bg: var(--pw-panel);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.15rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--pw-border);
  background: var(--btn-bg);
  font-weight: 600;
  font-size: var(--t-sm);
  letter-spacing: 0.01em;
  transition: transform 0.16s var(--ease-out), box-shadow 0.2s var(--ease-out),
              background 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
  will-change: transform;
}
.btn__sub {
  font-weight: 400;
  font-size: 0.74em;
  font-family: var(--font-mono);
  color: var(--pw-text-2);
  letter-spacing: 0;
}
.btn--lg { padding: 1.05rem 2rem; font-size: var(--t-base); }

.btn--primary {
  --btn-bg: linear-gradient(180deg, #ffba6e, var(--pw-accent));
  color: #1a1207;
  border-color: #1a1207;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.3) inset, 0 6px 22px -10px rgba(255, 174, 87, 0.7);
}
.btn--primary .btn__sub { color: #5a3c10; }
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.4) inset, 0 12px 30px -10px rgba(255, 174, 87, 0.85);
}
.btn--ghost { color: var(--pw-text); }
.btn--ghost:hover {
  border-color: var(--pw-accent);
  color: var(--pw-text-hi);
  transform: translateY(-2px);
}
.btn:active { transform: translateY(0) scale(0.99); }

/* node "chips" */
.chip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.82em;
  padding: 0.12em 0.6em;
  border-radius: 6px;
  border: 1px solid currentColor;
  background: var(--pw-input);
  white-space: nowrap;
}
.chip--music { color: var(--k-music); }

/* ───────────────────────── header ───────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem var(--gutter);
  max-width: 100%;
  background: color-mix(in srgb, var(--pw-bg-deep) 78%, transparent);
  backdrop-filter: blur(10px) saturate(1.1);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
  border-bottom: 1px solid var(--pw-border);
}
.brand { display: inline-flex; align-items: center; gap: 0.6ch; }
.brand__mark { display: inline-flex; }
.brand__word {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--t-lg);
  letter-spacing: -0.02em;
  color: var(--pw-text-hi);
}
.brand__tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--pw-accent);
  border: 1px solid var(--pw-accent-dim);
  border-radius: 4px;
  padding: 0.05em 0.4em;
  align-self: flex-start;
  margin-top: 0.15em;
}
.site-nav { display: flex; align-items: center; gap: clamp(0.5rem, 1.5vw, 1.4rem); }
.site-nav a {
  font-size: var(--t-sm);
  color: var(--pw-text-2);
  padding: 0.35rem 0.2rem;
  position: relative;
  transition: color 0.18s var(--ease-out);
}
.site-nav a:not(.site-nav__cta)::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0.05rem;
  height: 1.5px;
  background: var(--pw-accent);
  transition: right 0.24s var(--ease-out);
}
.site-nav a:hover { color: var(--pw-text-hi); }
.site-nav a:not(.site-nav__cta):hover::after { right: 0; }
.site-nav__cta {
  color: var(--pw-text-hi);
  border: 1px solid var(--pw-border);
  background: var(--pw-panel);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.9rem !important;
  font-weight: 600;
  transition: border-color 0.2s var(--ease-out), transform 0.16s var(--ease-out);
}
.site-nav__cta:hover { border-color: var(--pw-accent); transform: translateY(-1px); }

/* ───────────────────────── layout shell ───────────────────────── */
main { position: relative; z-index: 2; }
section {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ───────────────────────── hero ───────────────────────── */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.15fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  padding-top: clamp(2.5rem, 4vw, 5rem);
  padding-bottom: var(--space-section);
}
.hero__copy { max-width: 34rem; }
#hero-title {
  font-family: var(--font-mono);
  font-size: var(--t-3xl);
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--pw-text-hi);
  margin-bottom: 1.5rem;
}
.hero__lede { font-size: var(--t-lg); color: var(--pw-text); margin-bottom: 2rem; }
.hero__lede code { color: var(--pw-accent); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 1.6rem; }
.hero__fineprint {
  font-size: var(--t-sm);
  color: var(--pw-text-2);
  font-family: var(--font-mono);
  max-width: 30rem;
}
/* kept at the AA-safe muted token; italic carries the "aside" feel instead of lower contrast */
.hero__fineprint-quiet { color: var(--pw-text-2); font-style: italic; }

/* ─────────────────── hero graph frame (the centerpiece) ─────────────────── */
.hero__graph { margin: 0; min-width: 0; }
.graph-frame {
  position: relative;
  border: 1px solid var(--pw-border);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 120% at 50% 0%, rgba(255,174,87,0.05), transparent 60%),
    var(--pw-bg-deepest);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.03) inset,
    0 30px 60px -30px rgba(0, 0, 0, 0.7);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.graph-frame__rail {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  color: var(--pw-text-2);
  border-bottom: 1px solid var(--pw-border);
  background: linear-gradient(180deg, rgba(0,0,0,0.25), transparent);
  pointer-events: none;
}
.graph-frame__led {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--pw-text-2);
  transition: background 0.2s, box-shadow 0.2s;
}
.graph-frame__led[data-active] {
  background: var(--k-action);
  box-shadow: 0 0 8px 1px var(--k-action);
}
#hero-graph {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
  touch-action: none;
}
#hero-graph:active { cursor: grabbing; }
.graph-frame__noscript {
  padding: 2rem;
  color: var(--pw-text-2);
  font-size: var(--t-sm);
}
.graph-frame__run {
  position: absolute;
  right: 0.7rem;
  bottom: 0.7rem;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 0.5ch;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--pw-border);
  background: color-mix(in srgb, var(--pw-panel) 85%, transparent);
  color: var(--pw-text);
  backdrop-filter: blur(4px);
  transition: border-color 0.2s, transform 0.16s var(--ease-out);
}
.graph-frame__run:hover { border-color: var(--pw-accent); transform: translateY(-1px); }
.graph-frame__run-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--k-action);
  box-shadow: 0 0 6px var(--k-action);
}
.graph-frame__run[aria-pressed="true"] .graph-frame__run-dot {
  animation: blink 0.6s steps(2, jump-none) infinite;
}
@keyframes blink { 50% { opacity: 0.25; } }

.graph-cap {
  margin-top: 0.9rem;
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  color: var(--pw-text-2);
  text-align: center;
}
.graph-cap code { color: var(--pw-accent); }

/* ───────────────────────── the gap ───────────────────────── */
.gap { padding-block: var(--space-section); }
.gap__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  margin-top: 2.5rem;
  align-items: start;
}
.gap__lead { font-size: var(--t-lg); }
.gap__list { list-style: none; display: grid; gap: 1rem; }
.gap__list li {
  display: grid;
  grid-template-columns: 1.6rem 1fr;
  gap: 0.6rem;
  align-items: start;
  padding: 1rem 1.1rem;
  border: 1px solid var(--pw-border);
  border-radius: var(--radius-sm);
  background: var(--pw-panel);
  font-size: var(--t-sm);
}
.gap__x { color: var(--k-set); font-weight: 700; }
.gap__check { color: var(--k-action); font-weight: 700; }
.gap__list code { color: var(--pw-accent); }

/* ───────────────────────── pillars ───────────────────────── */
.pillars { display: grid; gap: var(--space-section); padding-block: var(--space-section); }
.pillar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  max-width: 100%;
}
.pillar--reverse .pillar__text { order: 2; }
.pillar__kicker {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6ch;
  color: var(--pw-text-2);
}
.pillar__kicker::before {
  content: "";
  width: 10px; height: 10px;
  border-radius: 3px;
  background: var(--kind, var(--pw-accent));
  box-shadow: 0 0 8px -1px var(--kind, var(--pw-accent));
}
.pillar__text h2 { margin-bottom: 1.1rem; }
.pillar__text p { margin-bottom: 1rem; max-width: 32rem; }
.pillar__text code { color: var(--pw-accent); }

[data-kind="trigger"] { --kind: var(--k-trigger); }
[data-kind="object"]  { --kind: var(--k-object); }
[data-kind="set"]     { --kind: var(--k-set); }
[data-kind="action"]  { --kind: var(--k-action); }
[data-kind="logic"]   { --kind: var(--k-logic); }
[data-kind="music"]   { --kind: var(--k-music); }
[data-kind="ui"]      { --kind: var(--k-ui); }

/* pillar demo panels */
.pillar__demo {
  border: 1px solid var(--pw-border);
  border-radius: var(--radius);
  background: var(--pw-bg-deepest);
  padding: clamp(1rem, 2.5vw, 1.8rem);
  box-shadow: 0 24px 50px -30px rgba(0, 0, 0, 0.6);
  min-width: 0;
}

/* Pillar 1: mini node list + typed code */
.mini-node-list { display: grid; gap: 0.55rem; margin-bottom: 1.2rem; }
.mini-node {
  display: flex;
  align-items: center;
  gap: 0.7ch;
  font-family: var(--font-mono);
  font-size: var(--t-sm);
  padding: 0.55rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--pw-border);
  border-left: 3px solid var(--kind, var(--pw-accent));
  background: var(--pw-panel);
  color: var(--pw-text);
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s var(--ease-out);
}
.mini-node__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--kind, var(--pw-accent));
  box-shadow: 0 0 6px -1px var(--kind);
}
.mini-node.is-lit {
  transform: translateX(6px);
  box-shadow: -6px 0 0 -2px var(--kind), 0 6px 18px -8px var(--kind);
}
.pillar__demo-cap {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  color: var(--pw-text-2);
  background: var(--pw-input);
  border: 1px solid var(--pw-border);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.85rem;
  min-height: 2.6rem;
  white-space: pre-wrap;
  word-break: break-word;
}
.pillar__demo-cap [data-typed-code] { color: var(--pw-text); }
.caret {
  display: inline-block;
  width: 0.55ch;
  height: 1.05em;
  vertical-align: text-bottom;
  background: var(--pw-accent);
  margin-left: 1px;
  animation: caret 1s steps(2, jump-none) infinite;
}
@keyframes caret { 50% { opacity: 0; } }

/* Pillar 2: piano roll */
.pianoroll { display: grid; gap: 0.9rem; }
.pianoroll__legend { display: flex; gap: 1rem; font-family: var(--font-mono); font-size: var(--t-xs); }
.pianoroll__key { display: inline-flex; align-items: center; gap: 0.5ch; color: var(--pw-text-2); }
.pianoroll__key::before {
  content: ""; width: 12px; height: 12px; border-radius: 3px;
}
.pianoroll__key--before::before { background: color-mix(in srgb, var(--k-object) 35%, transparent); border: 1px solid var(--k-object); }
.pianoroll__key--after::before  { background: var(--k-music); box-shadow: 0 0 8px -1px var(--k-music); }
.pianoroll__grid {
  position: relative;
  display: grid;
  grid-template-rows: repeat(12, 1fr);
  aspect-ratio: 16 / 10;
  border: 1px solid var(--pw-border);
  border-radius: var(--radius-sm);
  background:
    repeating-linear-gradient(90deg, transparent, transparent calc(12.5% - 1px), rgba(255,255,255,0.04) 12.5%),
    var(--pw-input);
  overflow: hidden;
}
.pianoroll__row { border-bottom: 1px solid rgba(255, 255, 255, 0.025); position: relative; }
.pianoroll__row--accidental { background: rgba(0, 0, 0, 0.22); }
.pr-note {
  position: absolute;
  height: 64%;
  top: 18%;
  border-radius: 3px;
  background: color-mix(in srgb, var(--k-object) 30%, transparent);
  border: 1px solid var(--k-object);
  transition: transform 0.5s var(--ease-spring), background 0.4s var(--ease-out),
              box-shadow 0.4s var(--ease-out), border-color 0.4s;
}
.pianoroll.is-run .pr-note {
  background: var(--k-music);
  border-color: var(--k-music);
  box-shadow: 0 0 10px -1px var(--k-music);
}
.pianoroll__run {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: var(--t-sm);
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--pw-border);
  background: var(--pw-panel);
  color: var(--pw-text);
  transition: border-color 0.2s, transform 0.16s var(--ease-out), color 0.2s;
}
.pianoroll__run:hover { border-color: var(--k-music); color: var(--pw-text-hi); transform: translateY(-1px); }
.pianoroll.is-run .pianoroll__run { border-color: var(--k-music); color: var(--pw-text-hi); }

/* Pillar 3: dialog mock */
.dialog-mock {
  border: 1px solid var(--pw-border);
  border-radius: var(--radius-sm);
  background: var(--pw-panel);
  overflow: hidden;
  box-shadow: 0 16px 40px -22px rgba(0,0,0,0.7);
  max-width: 24rem;
  margin-inline: auto;
}
.dialog-mock__bar {
  display: flex; align-items: center; gap: 0.8ch;
  padding: 0.5rem 0.8rem;
  background: var(--pw-bg-deep);
  border-bottom: 1px solid var(--pw-border);
}
.dialog-mock__dots { display: inline-flex; gap: 0.4ch; }
.dialog-mock__dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--pw-border); }
.dialog-mock__dots i:first-child { background: var(--k-set); }
.dialog-mock__title { font-family: var(--font-mono); font-size: var(--t-sm); color: var(--pw-text); }
.dialog-mock__body { padding: 1.1rem; display: grid; gap: 0.9rem; }
.dialog-mock__row {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  font-size: var(--t-sm); color: var(--pw-text);
}
.dialog-mock__row span:first-child { color: var(--pw-text-2); }
.dialog-mock__row input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 9rem; height: 4px; border-radius: 999px;
  background: linear-gradient(90deg, var(--pw-accent) var(--fill, 34%), var(--pw-input) var(--fill, 34%));
}
.dialog-mock__row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--pw-text-hi); border: 2px solid var(--pw-accent); cursor: pointer;
}
.dialog-mock__row input[type="range"]::-moz-range-thumb {
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--pw-text-hi); border: 2px solid var(--pw-accent); cursor: pointer;
}
.dialog-mock__select {
  font-family: var(--font-mono); font-size: 0.85em;
  padding: 0.2em 0.7em; border-radius: 6px;
  border: 1px solid var(--pw-border); background: var(--pw-input);
}
.dialog-mock__toggle {
  width: 36px; height: 20px; border-radius: 999px;
  background: var(--k-action); position: relative;
  border: 1px solid var(--pw-border); cursor: pointer;
  transition: background 0.2s var(--ease-out);
}
.dialog-mock__toggle::after {
  content: ""; position: absolute; top: 2px; right: 2px;
  width: 14px; height: 14px; border-radius: 50%; background: var(--pw-text-hi);
  transition: right 0.2s var(--ease-spring), left 0.2s var(--ease-spring);
}
.dialog-mock__toggle[aria-checked="false"] { background: var(--pw-input); }
.dialog-mock__toggle[aria-checked="false"]::after { right: auto; left: 2px; }
.dialog-mock__apply {
  margin-top: 0.3rem;
  padding: 0.6rem; border-radius: var(--radius-sm);
  border: 1px solid #1a1207;
  background: linear-gradient(180deg, #ffba6e, var(--pw-accent));
  color: #1a1207; font-weight: 600;
  transition: transform 0.16s var(--ease-out), box-shadow 0.2s;
}
.dialog-mock__apply:hover { transform: translateY(-1px); box-shadow: 0 8px 20px -10px rgba(255,174,87,0.8); }

/* ───────────────────────── strip ───────────────────────── */
.strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--pw-border);
  border: 1px solid var(--pw-border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-block: var(--space-section);
}
.strip__item {
  background: var(--pw-panel);
  padding: clamp(1.2rem, 2.5vw, 2rem);
  transition: background 0.25s var(--ease-out);
  position: relative;
}
.strip__item::before {
  content: "";
  position: absolute; inset: 0 0 auto 0; height: 2px;
  background: var(--pw-accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}
.strip__item:hover { background: var(--pw-bg-deep); }
.strip__item:hover::before { transform: scaleX(1); }
.strip__item h3 { font-size: var(--t-lg); color: var(--pw-text-hi); margin-bottom: 0.6rem; font-family: var(--font-mono); letter-spacing: -0.01em; }
.strip__item p { font-size: var(--t-sm); color: var(--pw-text-2); }
.strip__item code { color: var(--pw-accent); }

/* ───────────────────────── the hall ───────────────────────── */
.hall { padding-block: var(--space-section); }
.hall__head { max-width: 52rem; margin-bottom: 3rem; }
.hall__intro { font-size: var(--t-lg); color: var(--pw-text); margin-top: 1.5rem; }
.hall__grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 16.5rem), 1fr));
  gap: 1rem;
}
.exhibit {
  position: relative;
  padding: 1.4rem 1.3rem 1.5rem;
  border: 1px solid var(--pw-border);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--kind) 6%, transparent), transparent 40%),
    var(--pw-panel);
  overflow: hidden;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.3s;
}
.exhibit::after {
  /* a tiny patch-port in the corner of each exhibit plate */
  content: "";
  position: absolute;
  top: 1.1rem; right: 1.1rem;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--pw-input);
  border: 2px solid var(--kind, var(--pw-accent));
  box-shadow: 0 0 0 3px var(--pw-panel);
}
.exhibit:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--kind) 60%, var(--pw-border));
  box-shadow: 0 18px 40px -24px var(--kind), 0 0 0 1px color-mix(in srgb, var(--kind) 40%, transparent) inset;
}
.exhibit__plate {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  letter-spacing: 0.1em;
  color: var(--pw-text-2);
}
.exhibit__tag {
  display: inline-block;
  margin-left: 0.6ch;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.12em 0.55em;
  border-radius: 999px;
  color: var(--pw-text-2);
  border: 1px solid var(--pw-border);
  background: var(--pw-input);
  vertical-align: middle;
}
/* tasteful range signal: useful tools tint green, niche ones tint in their kind color */
.exhibit__tag[data-tone="useful"] {
  color: var(--k-action);
  border-color: color-mix(in srgb, var(--k-action) 45%, var(--pw-border));
}
.exhibit__tag[data-tone="niche"] {
  color: var(--kind, var(--pw-accent));
  border-color: color-mix(in srgb, var(--kind) 45%, var(--pw-border));
}
.exhibit h3 {
  font-size: var(--t-lg);
  font-family: var(--font-mono);
  color: var(--pw-text-hi);
  margin: 0.6rem 0 0.55rem;
  letter-spacing: -0.01em;
  padding-right: 1.5rem;
}
.exhibit p { font-size: var(--t-sm); color: var(--pw-text-2); }
.exhibit em { color: color-mix(in srgb, var(--kind) 75%, var(--pw-text-hi)); }
.hall__foot {
  margin-top: 2.5rem;
  font-family: var(--font-mono);
  font-size: var(--t-sm);
  color: var(--pw-text-2);
  text-align: center;
}
.hall__foot-link { color: var(--pw-accent); border-bottom: 1px solid transparent; transition: border-color 0.2s; }
.hall__foot-link:hover { border-color: var(--pw-accent); }

/* ───────────────────────── get / CTA ───────────────────────── */
.get { padding-block: var(--space-section); }
.get__inner {
  border: 1px solid var(--pw-border);
  border-radius: calc(var(--radius) * 1.5);
  background:
    radial-gradient(700px 300px at 50% -20%, rgba(255,174,87,0.12), transparent 65%),
    var(--pw-bg-deepest);
  padding: clamp(2rem, 5vw, 4.5rem) clamp(1.2rem, 4vw, 3.5rem);
  text-align: center;
  box-shadow: 0 40px 80px -50px rgba(0,0,0,0.8);
}
.get__lede { font-size: var(--t-lg); color: var(--pw-text); max-width: 38rem; margin: 1.4rem auto 2rem; }
.get__actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; margin-bottom: 2.6rem; }
.get__facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 44rem;
  margin-inline: auto;
  text-align: left;
}
.get__facts > div {
  padding: 1rem 1.1rem;
  border: 1px solid var(--pw-border);
  border-radius: var(--radius-sm);
  background: var(--pw-panel);
}
.get__facts dt {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pw-text-2);
  margin-bottom: 0.3rem;
}
.get__facts dd { font-size: var(--t-sm); color: var(--pw-text); }
.get__facts code { color: var(--pw-accent); }

/* ───────────────────────── footer ───────────────────────── */
.site-footer {
  margin-top: var(--space-section);
  border-top: 1px solid var(--pw-border);
  background: var(--pw-bg-deepest);
  position: relative;
  z-index: 2;
}
.footer-seam { margin-top: -60px; height: 60px; overflow: hidden; pointer-events: none; }
.footer-grid {
  max-width: var(--maxw);
  margin-inline: auto;
  padding: clamp(2.5rem, 5vw, 4rem) var(--gutter) 2rem;
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
}
.footer-col { display: grid; gap: 0.6rem; align-content: start; }
.footer-col__title {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--pw-text-2);
  margin-bottom: 0.3rem;
}
.footer-col a { font-size: var(--t-sm); color: var(--pw-text-2); width: max-content; transition: color 0.18s; }
.footer-col a:hover { color: var(--pw-accent); }
.footer-col--brand .brand__word { font-size: var(--t-xl); }
.footer-tagline { color: var(--pw-text-2); font-size: var(--t-sm); margin-bottom: 0.4rem; }
.footer-tagline code { color: var(--pw-accent); }
.footer-note { font-size: var(--t-sm); color: var(--pw-text-2); }
.footer-note code { color: var(--pw-accent); }
.footer-legal {
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 1.4rem var(--gutter) 2.5rem;
  border-top: 1px solid var(--pw-border);
  display: grid;
  gap: 0.3rem;
  font-size: var(--t-xs);
  color: var(--pw-text-2);
}
.footer-legal code { color: var(--pw-text-2); }

/* easter egg generator */
.egg { margin-top: 1.4rem; display: grid; gap: 0.7rem; max-width: 22rem; }
.egg__btn {
  font-family: var(--font-mono);
  font-size: var(--t-sm);
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--pw-accent-dim);
  background: var(--pw-panel);
  color: var(--pw-text);
  text-align: left;
  transition: border-color 0.2s, transform 0.16s var(--ease-out), color 0.2s;
}
.egg__btn:hover { border-color: var(--pw-accent); color: var(--pw-text-hi); transform: translateY(-1px); }
.egg__btn:active { transform: scale(0.98); }
.egg__out {
  font-family: var(--font-mono);
  font-size: var(--t-sm);
  color: var(--pw-text);
  min-height: 2.6rem;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--pw-border);
  background: var(--pw-input);
  line-height: 1.45;
}
.egg__out .egg-name { color: var(--pw-accent); font-weight: 700; }
.egg__out .egg-desc { color: var(--pw-text-2); }
.egg__again {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  color: var(--k-action);
  background: none;
  border: none;
  padding: 0.2rem 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.egg__again:hover { border-color: var(--k-action); }

/* ───────────────── reveal-on-scroll (progressive enhancement) ───────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* ═══════════════════════════════════════════════════════════════════
   PATCHBAY WORKBENCH — industrial layer
   The page dresses as rugged studio gear: rack panels, corner screws,
   engraved nameplates, hand-applied sticker labels. Flat, never photoreal.
   Defined late so it layers over the base rules without renaming anything.
   ═══════════════════════════════════════════════════════════════════ */

/* engraved nameplate — a machined faceplate badge with a beveled edge.
   Reused for section indices and Hall exhibit plates. */
.section-title__index,
.exhibit__plate {
  background: var(--metal-face) !important;
  box-shadow: var(--plate-shadow);
  text-shadow: var(--engrave);
}
.section-title__index {
  border-color: #0d0d0d;
  color: var(--pw-accent);
}

/* sticker / tape labels — hand-applied, a hair off-axis (the "messy" in
   "elegant yet messy"). Restraint: only a few elements, never the grid. */
.eyebrow {
  position: relative;
  padding: 0.32rem 0.7rem 0.32rem 0.62rem;
  background: var(--metal-face);
  border: 1px solid #0d0d0d;
  border-left: 2px solid var(--pw-accent);
  border-radius: 3px;
  box-shadow: var(--plate-shadow);
  transform: rotate(-0.7deg);
  transform-origin: left center;
}
.brand__tag {
  transform: rotate(1.4deg);
  background: var(--metal-face);
  box-shadow: var(--plate-shadow);
}

/* ── hero graph frame → a rack module ─────────────────────────────── */
.graph-frame {
  background:
    radial-gradient(120% 120% at 50% 0%, rgba(255,174,87,0.05), transparent 60%),
    var(--metal-face);
  border-color: #0c0c0c;
  box-shadow:
    0 1px 0 var(--metal-edge-hi) inset,
    0 -1px 0 var(--metal-edge-lo) inset,
    0 30px 60px -30px rgba(0, 0, 0, 0.8);
}
/* faint rack tick rails down both side edges */
.graph-frame::after {
  content: "";
  position: absolute;
  inset: 30px 0 0;
  z-index: 2;
  pointer-events: none;
  background:
    repeating-linear-gradient(180deg, transparent 0 13px, rgba(255,255,255,0.05) 13px 14px) left / 5px 100% no-repeat,
    repeating-linear-gradient(180deg, transparent 0 13px, rgba(255,255,255,0.05) 13px 14px) right / 5px 100% no-repeat;
}
.graph-frame__rail {
  background: var(--metal-rail);
  border-bottom: 1px solid #0c0c0c;
  box-shadow: 0 1px 0 var(--metal-edge-hi) inset;
  text-shadow: var(--engrave);
  padding-inline: 1.7rem;   /* clear the two mounting screws */
}
/* two faceplate mounting screws flanking the rail — the rack-ear look */
.graph-frame__rail::before,
.graph-frame__rail::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 12px; height: 12px;
  transform: translateY(-50%);
  background: var(--screw);
  pointer-events: none;
}
.graph-frame__rail::before { left: 7px; }
.graph-frame__rail::after  { right: 7px; }

/* ── pillar demo panels → patched-in modules ──────────────────────── */
.pillar__demo {
  position: relative;
  background: var(--metal-face);
  border-color: #0c0c0c;
  box-shadow:
    0 1px 0 var(--metal-edge-hi) inset,
    0 -1px 0 var(--metal-edge-lo) inset,
    0 24px 50px -30px rgba(0, 0, 0, 0.7);
}
/* a jack the module "patches into", echoing the exhibit ports */
.pillar__demo::before {
  content: "";
  position: absolute;
  top: 14px; left: 14px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--pw-input);
  border: 2px solid var(--kind, var(--pw-accent));
  box-shadow: 0 0 0 2px #0c0c0c, 0 0 7px -1px var(--kind, var(--pw-accent));
  z-index: 2;
}

/* ── strip → row of etched spec plates ────────────────────────────── */
.strip__item {
  background: var(--metal-face);
}
.strip__item h3 { text-shadow: var(--engrave); }

/* ── get / CTA → bolted faceplate with a hazard-stripe top edge ───── */
.get__inner {
  position: relative;
  background:
    radial-gradient(700px 300px at 50% -20%, rgba(255,174,87,0.12), transparent 65%),
    var(--metal-face);
  border-color: #0c0c0c;
}
.get__inner::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  border-radius: calc(var(--radius) * 1.5) calc(var(--radius) * 1.5) 0 0;
  background: var(--hazard);
  opacity: 0.85;
}

/* ── sharper, more mechanical button press ────────────────────────── */
.btn { transition: transform var(--t-hover) var(--ease-snap), box-shadow var(--t-hover) var(--ease-out),
                   background var(--t-hover) var(--ease-out), border-color var(--t-hover) var(--ease-out); }
.btn:active { transform: translateY(1px) scale(0.985); transition-duration: var(--t-press); }

/* ── perf: skip rendering work for long off-screen blocks until near the
   viewport. Applied to section-level blocks only (never grid items) and
   paired with `contain-intrinsic-size: auto <px>` so reserved height matches
   real height after first render — CLS stays 0.00, scroll-reveal still fires. */
.gap         { content-visibility: auto; contain-intrinsic-size: auto 360px; }
.pillar      { content-visibility: auto; contain-intrinsic-size: auto 480px; }
.strip       { content-visibility: auto; contain-intrinsic-size: auto 220px; }
.hall        { content-visibility: auto; contain-intrinsic-size: auto 900px; }
.get         { content-visibility: auto; contain-intrinsic-size: auto 480px; }
.site-footer { content-visibility: auto; contain-intrinsic-size: auto 360px; }

/* ───────────────────────── responsive ───────────────────────── */
@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; }
  .hero__graph { order: -1; max-width: 36rem; }
  .gap__grid { grid-template-columns: 1fr; }
  .pillar { grid-template-columns: 1fr; }
  .pillar--reverse .pillar__text { order: 0; }
  .strip { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .site-nav a:not(.site-nav__cta) { display: none; }
  .strip { grid-template-columns: 1fr; }
  .get__facts { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  #hero-title { font-size: clamp(2.4rem, 9vw, 3.4rem); }
}

@media (max-width: 420px) {
  .hero__actions .btn { width: 100%; }
}

/* ───────────────────────── reduced motion ───────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .eyebrow__dot { box-shadow: 0 0 0 2px rgba(255,174,87,0.4); }
  .scanlines { display: none; }
  [data-reveal] { opacity: 1; transform: none; }
  .caret { opacity: 1; }
}

/* high-contrast / forced-colors nicety */
@media (forced-colors: active) {
  .btn, .exhibit, .pillar__demo, .strip__item { border: 1px solid CanvasText; }
}