:root {
  --bg: #131210;
  --bg-2: #181715;
  --panel: #1e1c19;
  --panel-2: #26241f;
  --well: #0e0d0c;
  --line: rgba(239, 233, 220, 0.08);
  --line-2: rgba(239, 233, 220, 0.16);
  --text: #efe9dc;
  --muted: #a8a194;
  --dim: #736d62;
  --sig: #3dfc8b;
  --sig-ink: #062312;
  --sig-dim: rgba(61, 252, 139, 0.13);
  --amber: #ffb22e;
  --amber-dim: rgba(255, 178, 46, 0.13);
  --red: #ff5b3d;
  --display: "Archivo", "Arial Narrow", system-ui, sans-serif;
  --mono: "DM Mono", ui-monospace, Consolas, monospace;
  --nav: 74px;
  --max: 1240px;
  --head: 176px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav) + 16px); -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.6 var(--display);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  counter-reset: ch;
}

img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--sig); color: var(--sig-ink); }
:focus-visible { outline: 2px solid var(--sig); outline-offset: 3px; }

.skip { position: absolute; left: 16px; top: -60px; z-index: 100; padding: 10px 16px; background: var(--sig); color: var(--sig-ink); font-weight: 700; }
.skip:focus { top: 12px; }
.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; }

.wrap { width: min(var(--max), 100% - 56px); margin-inline: auto; }

h1, h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 800;
  font-stretch: 66%;
  text-transform: uppercase;
  line-height: 0.92;
  letter-spacing: -0.005em;
}

h1 { font-size: clamp(3.2rem, 8.4vw, 7.8rem); }
h2 { font-size: clamp(2.3rem, 4.8vw, 4.2rem); }
h3, h4 { margin: 0; font-family: var(--display); font-weight: 700; font-stretch: 88%; font-size: 1.2rem; line-height: 1.25; }
p { margin: 0; }

.hl { color: var(--sig); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  padding-left: 18px;
  color: var(--muted);
  font: 500 12px/1.3 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background:
    radial-gradient(circle at 4px 50%, var(--sig) 0 3.4px, transparent 4.2px),
    radial-gradient(circle at 4px 50%, rgba(61, 252, 139, 0.35) 0, transparent 9px);
  background-repeat: no-repeat;
}

.lead { color: var(--muted); font-size: clamp(1.06rem, 1.4vw, 1.22rem); line-height: 1.6; max-width: 60ch; }

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid var(--line-2);
  border-radius: 4px;
  background: var(--panel-2);
  color: var(--text);
  font: 700 15px/1 var(--display);
  font-stretch: 80%;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 2px 0 #090908;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.1s;
}

.btn:hover { border-color: var(--sig); color: var(--sig); }
.btn:active { transform: translateY(1px); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06); }
.btn-primary { background: var(--sig); border-color: var(--sig); color: var(--sig-ink); box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.18), 0 2px 0 #0b3a1f; }
.btn-primary:hover { background: #7dffb2; border-color: #7dffb2; color: var(--sig-ink); }
.btn svg { width: 18px; height: 18px; flex: none; transition: transform 0.25s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.actions.center { justify-content: center; margin-top: 48px; }

.text-link { color: var(--sig); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }

/* header */
.site-header { position: fixed; inset: 0 0 auto; z-index: 50; height: var(--nav); background: rgba(19, 18, 16, 0.96); border-bottom: 1px solid transparent; transition: border-color 0.3s; }
.site-header.is-scrolled, body.nav-open .site-header { border-color: var(--line-2); }
.nav { display: flex; align-items: center; gap: 24px; height: 100%; }

.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand svg { width: 38px; height: 38px; flex: none; }
.brand > span { font: 800 26px/1 var(--display); font-stretch: 66%; letter-spacing: 0.02em; text-transform: uppercase; }
.brand b { margin-left: 5px; color: var(--sig); font-weight: 800; }

.nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-links > a:not(.nav-cta), .drop-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 42px;
  padding: 0 13px;
  border: 0;
  border-radius: 4px;
  background: none;
  color: var(--muted);
  font: 600 15px/1 var(--display);
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}
.nav-links > a:not(.nav-cta):hover, .drop-btn:hover, .drop.is-open .drop-btn { color: var(--text); background: var(--panel); }
.nav-links > a[aria-current="page"], .drop-btn.is-current { color: var(--sig); }
.drop-btn svg { width: 14px; height: 14px; transition: transform 0.25s var(--ease); }
.drop.is-open .drop-btn svg { transform: rotate(180deg); }
.nav-cta { margin-left: 10px; min-height: 44px; padding: 0 18px; font-size: 14px; }

.drop { position: relative; }
.drop-panel {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  width: 600px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 10px;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 30px 70px -30px #000;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 6px);
  transition: opacity 0.2s, transform 0.2s var(--ease), visibility 0.2s;
}
.drop.is-open .drop-panel { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.drop-panel a { display: grid; grid-template-columns: 40px 1fr; gap: 2px 14px; align-items: center; padding: 12px; border-radius: 6px; transition: background 0.2s; }
.drop-panel a:hover, .drop-panel a[aria-current="page"] { background: var(--panel-2); }
.drop-panel .glyph { grid-row: span 2; width: 40px; height: 40px; }
.drop-panel strong { font-size: 15px; font-weight: 700; line-height: 1.2; }
.drop-panel span:not(.glyph) { color: var(--muted); font-size: 13px; line-height: 1.3; }
.drop-panel .drop-all { grid-column: 1 / -1; display: flex; justify-content: space-between; color: var(--muted); font: 500 12px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; border-top: 1px solid var(--line); border-radius: 0 0 6px 6px; }

.glyph { display: grid; place-items: center; border: 1px solid var(--line-2); border-radius: 5px; background: var(--well); color: var(--sig); box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5); }
.glyph svg { width: 52%; height: 52%; }

.nav-toggle { display: none; margin-left: auto; align-items: center; gap: 10px; height: 44px; padding: 0 16px; border: 1px solid var(--line-2); border-radius: 4px; background: var(--panel); font: 500 13px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer; }
.nav-toggle .bars { position: relative; width: 16px; height: 10px; }
.nav-toggle .bars::before, .nav-toggle .bars::after { content: ""; position: absolute; left: 0; width: 100%; height: 1.5px; background: currentColor; transition: transform 0.3s var(--ease), top 0.3s var(--ease); }
.nav-toggle .bars::before { top: 0; }
.nav-toggle .bars::after { top: 8px; }
body.nav-open .nav-toggle .bars::before { top: 4px; transform: rotate(45deg); }
body.nav-open .nav-toggle .bars::after { top: 4px; transform: rotate(-45deg); }

/* hero */
.hero { position: relative; padding: calc(var(--nav) + 64px) 0 80px; border-bottom: 1px solid var(--line-2); overflow: hidden; isolation: isolate; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: repeating-linear-gradient(90deg, rgba(239, 233, 220, 0.028) 0 1px, transparent 1px 96px); -webkit-mask-image: linear-gradient(180deg, #000, transparent 90%); mask-image: linear-gradient(180deg, #000, transparent 90%); }
.hero-home h1 { max-width: 15ch; }
.hero-row { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: end; margin-top: 30px; }
.hero-row .actions { margin-top: 0; justify-content: flex-end; }
.hero-sub h1 { font-size: clamp(2.8rem, 6vw, 5.6rem); }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.hero-grid > * { min-width: 0; }
.hero-sub .lead { margin-top: 26px; }
.hero-text h1 { max-width: 18ch; }

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.chip { padding: 7px 11px; border: 1px solid var(--line-2); border-radius: 3px; background: var(--panel); color: var(--muted); font: 500 11.5px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }

/* DAW */
.daw { margin-top: 56px; border: 1px solid var(--line-2); border-radius: 8px; background: var(--well); box-shadow: 0 40px 90px -50px #000; overflow: hidden; }
.daw-top { display: flex; align-items: center; gap: 20px; padding: 12px 18px; border-bottom: 1px solid var(--line-2); background: var(--panel); color: var(--muted); font: 500 12px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.rec { display: inline-flex; align-items: center; gap: 8px; color: var(--red); }
.rec::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: currentColor; box-shadow: 0 0 10px rgba(255, 91, 61, 0.7); animation: blink 1.2s steps(1) infinite; }
.tc { padding: 5px 9px; border-radius: 3px; background: var(--well); color: var(--sig); font-size: 15px; letter-spacing: 0.04em; }
.daw-meta { margin-left: auto; color: var(--dim); }
.daw-ruler { position: relative; height: 28px; margin-left: var(--head); border-bottom: 1px solid var(--line); border-left: 1px solid var(--line-2); background: repeating-linear-gradient(90deg, var(--line-2) 0 1px, transparent 1px calc(100% / 34)) bottom / 100% 6px no-repeat; }
.daw-ruler span { position: absolute; top: 6px; left: calc(var(--t) * 100%); padding-left: 5px; border-left: 1px solid var(--line-2); color: var(--dim); font: 500 10px/1 var(--mono); }
.daw-tracks { position: relative; --p: 0; }
.track { display: grid; grid-template-columns: var(--head) 1fr; min-height: 78px; border-bottom: 1px solid var(--line); }
.track-head { display: grid; grid-template-columns: auto 1fr auto; align-content: center; align-items: center; gap: 6px 10px; padding: 10px 14px; border-right: 1px solid var(--line-2); background: var(--panel); }
.track-head b { color: var(--dim); font: 500 11px/1 var(--mono); }
.track-head > span:not(.ms):not(.vu) { font-size: 14px; font-weight: 700; font-stretch: 85%; line-height: 1.1; }
.ms { display: inline-flex; gap: 3px; }
.ms i { display: grid; place-items: center; width: 18px; height: 16px; border: 1px solid var(--line-2); border-radius: 2px; color: var(--dim); font: 500 9px/1 var(--mono); font-style: normal; }
.vu { position: relative; grid-column: 1 / -1; height: 6px; background: repeating-linear-gradient(90deg, #2b2924 0 5px, transparent 5px 7px); }
.vu::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--sig) 0 62%, var(--amber) 62% 84%, var(--red) 84%); -webkit-mask: repeating-linear-gradient(90deg, #000 0 5px, transparent 5px 7px); mask: repeating-linear-gradient(90deg, #000 0 5px, transparent 5px 7px); clip-path: inset(0 calc((1 - var(--v, 0)) * 100%) 0 0); transition: clip-path 0.07s linear; }
.lane { position: relative; overflow: hidden; background: repeating-linear-gradient(90deg, rgba(239, 233, 220, 0.035) 0 1px, transparent 1px calc(100% / 8.5)); }
.track[data-who="client"] { --rc: var(--amber); --rc-bg: var(--amber-dim); }
.track[data-who="agent"] { --rc: var(--sig); --rc-bg: var(--sig-dim); }
.region { position: absolute; top: 10px; bottom: 10px; left: calc(var(--s) * 100%); width: calc((var(--e) - var(--s)) * 100%); border: 1px dashed var(--line-2); border-radius: 4px; }
.region .fill { position: absolute; inset: -1px; display: flex; align-items: center; gap: 2px; padding: 0 6px; border: 1px solid var(--rc); border-radius: 4px; background: var(--rc-bg); clip-path: inset(0 calc((1 - var(--r, 0)) * 100%) 0 0); }
.region .fill i { flex: 1; min-width: 1px; height: calc(var(--h) * 100%); border-radius: 1px; background: var(--rc); }
html:not(.has-motion) .region .fill { clip-path: none; }
.track-spec { min-height: 92px; }
.track-spec canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.playhead { position: absolute; top: 0; bottom: 0; left: calc(var(--head) + (100% - var(--head)) * var(--p)); width: 2px; margin-left: -1px; background: var(--sig); box-shadow: 0 0 12px rgba(61, 252, 139, 0.6); pointer-events: none; }
.playhead::before { content: ""; position: absolute; top: -1px; left: -5px; border: 6px solid transparent; border-top: 8px solid var(--sig); }
html:not(.has-motion) .playhead { display: none; }
.daw-caption { display: grid; grid-template-columns: var(--head) 1fr; align-items: center; min-height: 92px; border-top: 1px solid var(--line-2); background: var(--bg-2); }
.cap-who { align-self: stretch; display: flex; align-items: center; padding: 0 14px; border-right: 1px solid var(--line-2); color: var(--dim); font: 500 11.5px/1.3 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.cap-who[data-who="agent"] { color: var(--sig); }
.cap-who[data-who="client"] { color: var(--amber); }
.cap-who[data-who="result"] { color: var(--sig); }
.daw-caption p { padding: 18px 22px; font-size: clamp(1.02rem, 1.6vw, 1.3rem); line-height: 1.45; }
.daw-note { padding: 10px 18px; border-top: 1px solid var(--line); color: var(--dim); font: 500 10.5px/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }

/* specs strip */
.specs-strip { border-bottom: 1px solid var(--line-2); background: var(--bg-2); }
.specs { display: grid; grid-template-columns: repeat(5, 1fr); }
.specs > div { padding: 26px 22px; border-left: 1px solid var(--line); }
.specs > div:first-child { border-left: 0; padding-left: 0; }
.specs span { display: block; color: var(--dim); font: 500 11px/1.3 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
.specs b { display: block; margin-top: 8px; font: 800 1.45rem/1.1 var(--display); font-stretch: 70%; text-transform: uppercase; }

/* sections */
.section { position: relative; padding: clamp(80px, 10vw, 124px) 0; }
.section-tight { padding-top: 0; }
.hero + .section-tight { padding-top: 64px; }
.section-alt { background: var(--bg-2); border-block: 1px solid var(--line); }

.section-head { max-width: 920px; margin-bottom: 56px; }
.section-head::before { content: ""; display: block; height: 12px; margin-bottom: 26px; border-bottom: 1px solid var(--line-2); background: repeating-linear-gradient(90deg, var(--line-2) 0 1px, transparent 1px 12px) left bottom / 100% 5px no-repeat, repeating-linear-gradient(90deg, rgba(239, 233, 220, 0.3) 0 1px, transparent 1px 60px) left bottom / 100% 12px no-repeat; }
.section-head .eyebrow { counter-increment: ch; }
.section-head .eyebrow::before { content: "CH " counter(ch, decimal-leading-zero) " ·"; color: var(--sig); }
.section-head p { margin-top: 20px; color: var(--muted); font-size: 1.1rem; max-width: 62ch; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.split h2 { margin-bottom: 22px; }

/* rack units */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.unit {
  position: relative;
  padding: 36px 32px 34px;
  border: 1px solid var(--line-2);
  border-radius: 6px;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.unit::before {
  content: "";
  position: absolute;
  inset: 9px;
  pointer-events: none;
  --screw: radial-gradient(circle, #4a463e 0 1.8px, #191814 2.4px, transparent 3px);
  background: var(--screw) left top / 7px 7px no-repeat, var(--screw) right top / 7px 7px no-repeat, var(--screw) left bottom / 7px 7px no-repeat, var(--screw) right bottom / 7px 7px no-repeat;
}

.unit .glyph { width: 46px; height: 46px; margin-bottom: 24px; }
.unit h3 { margin-bottom: 10px; }
.unit p { color: var(--muted); font-size: 15.5px; }
.unit .tagline { display: block; margin-bottom: 8px; color: var(--sig); font: 500 11px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }
.unit-link { display: flex; flex-direction: column; transition: border-color 0.25s, transform 0.25s var(--ease); }
.unit-link:hover { border-color: rgba(61, 252, 139, 0.5); transform: translateY(-3px); }
.unit-link .more { display: inline-flex; align-items: center; gap: 10px; margin-top: auto; padding-top: 24px; color: var(--sig); font: 500 12px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
.unit-link .more svg { width: 16px; height: 16px; transition: transform 0.25s var(--ease); }
.unit-link:hover .more svg { transform: translateX(4px); }
.unit.big h3 { font: 800 2.1rem/1 var(--display); font-stretch: 68%; text-transform: uppercase; margin-bottom: 14px; }

.list { display: grid; gap: 11px; margin: 22px 0 0; padding: 0; list-style: none; }
.list li { position: relative; padding-left: 26px; color: var(--muted); }
.list li strong { color: var(--text); font-weight: 700; }
.list li::before { content: ""; position: absolute; left: 0; top: 0.5em; width: 12px; height: 7px; border-radius: 1px; background: repeating-linear-gradient(90deg, var(--sig) 0 2px, transparent 2px 3.5px); }
.unit .list { font-size: 15px; }

.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.compare h3 { font: 800 2rem/1 var(--display); font-stretch: 68%; text-transform: uppercase; margin-bottom: 6px; }
.compare .bad .tagline { color: var(--dim); }
.compare .bad h3 { color: var(--muted); }
.compare .bad .list li { color: var(--dim); }
.compare .bad .list li::before { background: none; content: "×"; top: 0; width: auto; height: auto; color: var(--red); font: 500 15px/1.6 var(--mono); }
.compare .good { border-color: rgba(61, 252, 139, 0.4); }

/* steps: sequencer pads */
.steps { display: grid; grid-template-columns: repeat(var(--n, 4), 1fr); gap: 18px; counter-reset: step; }
.step { counter-increment: step; padding-top: 4px; }
.step::before {
  content: counter(step, decimal-leading-zero);
  display: grid;
  place-items: center;
  width: 100%;
  height: 54px;
  margin-bottom: 22px;
  border: 1px solid var(--line-2);
  border-radius: 6px;
  background: var(--panel);
  color: var(--dim);
  font: 500 13px/1 var(--mono);
  box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.35);
}
html.has-motion .steps.is-in .step::before { animation: pad calc(var(--n) * 0.7s) infinite; animation-delay: calc(var(--i) * 0.7s); }
@keyframes pad {
  0%, 18% { background: var(--sig); color: var(--sig-ink); border-color: var(--sig); box-shadow: 0 0 22px rgba(61, 252, 139, 0.35), inset 0 -3px 0 rgba(0, 0, 0, 0.2); }
  24%, 100% { background: var(--panel); color: var(--dim); border-color: var(--line-2); box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.35); }
}
.step h3 { margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 15px; }

/* signal chain */
.chain { display: flex; align-items: stretch; }
.chain-node { position: relative; flex: 1 1 0; min-width: 0; padding: 26px 18px 22px; border: 1px solid var(--line-2); border-radius: 6px; background: linear-gradient(180deg, var(--panel-2), var(--panel)); }
.chain-node .jack { display: block; width: 18px; height: 18px; margin-bottom: 18px; border: 2px solid #4a463e; border-radius: 50%; background: radial-gradient(circle, var(--sig) 0 2.5px, var(--well) 3.5px); }
.chain-node b { display: block; font: 800 1.6rem/1 var(--display); font-stretch: 66%; text-transform: uppercase; }
.chain-node span:not(.jack) { display: block; margin-top: 8px; color: var(--muted); font-size: 14px; line-height: 1.35; }
.cable { flex: 0 0 34px; align-self: center; height: 3px; border-radius: 2px; background: repeating-linear-gradient(90deg, var(--sig) 0 7px, transparent 7px 13px); background-size: 13px 3px; animation: flow 0.7s linear infinite; }
@keyframes flow { to { background-position: 13px 0; } }

/* features */
.feature-list { display: grid; border-top: 1px solid var(--line-2); }
.feature-row { display: grid; grid-template-columns: 56px minmax(0, 0.8fr) minmax(0, 1.3fr); gap: 28px; align-items: start; padding: 30px 0; border-bottom: 1px solid var(--line-2); }
.feature-row .glyph { width: 46px; height: 46px; }
.feature-row h3 { font: 800 1.75rem/1 var(--display); font-stretch: 68%; text-transform: uppercase; padding-top: 8px; }
.feature-row p { color: var(--muted); }
.feature-row .list { margin-top: 14px; }

/* faq */
.faq { display: grid; gap: 10px; }
.faq details { border: 1px solid var(--line-2); border-radius: 6px; background: var(--panel); }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 22px; font: 700 1.12rem/1.35 var(--display); cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid var(--line-2); border-radius: 4px; background: var(--well); color: var(--sig); font: 500 17px/1 var(--mono); transition: transform 0.3s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 64px 22px 22px; color: var(--muted); max-width: 76ch; }

/* cta */
.cta-band { position: relative; display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: end; padding: clamp(40px, 6vw, 72px); border: 1px solid var(--line-2); border-radius: 8px; background: linear-gradient(180deg, var(--panel-2), var(--panel)); overflow: hidden; }
.cta-band h2 { max-width: 16ch; }
.cta-band p { margin-top: 20px; color: var(--muted); font-size: 1.1rem; max-width: 56ch; }
.eq { display: flex; align-items: flex-end; gap: 5px; height: 180px; }
.eq i { width: 10px; height: 100%; background: linear-gradient(0deg, var(--sig) 0 60%, var(--amber) 60% 85%, var(--red) 85%); -webkit-mask: repeating-linear-gradient(0deg, #000 0 6px, transparent 6px 9px); mask: repeating-linear-gradient(0deg, #000 0 6px, transparent 6px 9px); clip-path: inset(70% 0 0 0); animation: eq 1.4s ease-in-out infinite alternate; animation-delay: calc(var(--i) * -0.17s); }
.eq i:nth-child(3n) { animation-duration: 1.1s; }
.eq i:nth-child(4n + 1) { animation-duration: 1.7s; }
@keyframes eq { 0% { clip-path: inset(82% 0 0 0); } 50% { clip-path: inset(30% 0 0 0); } 100% { clip-path: inset(58% 0 0 0); } }

/* demos */
.demo { position: relative; border: 1px solid var(--line-2); border-radius: 8px; background: var(--well); box-shadow: 0 40px 90px -50px #000; overflow: hidden; }
.demo-bar { display: flex; align-items: center; gap: 10px; padding: 13px 18px; border-bottom: 1px solid var(--line-2); background: var(--panel); color: var(--muted); font: 500 11px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
.live { display: inline-flex; align-items: center; gap: 8px; margin-left: auto; color: var(--sig); }
.live::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; box-shadow: 0 0 8px currentColor; animation: blink 1.4s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0.2; } }
.demo-body { padding: 20px; }
.demo-note { padding: 10px 18px; border-top: 1px solid var(--line); color: var(--dim); font: 500 10.5px/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }

.call-head { display: flex; align-items: center; gap: 14px; padding: 16px 20px; border-bottom: 1px solid var(--line-2); background: var(--panel); }
.call-head .glyph { width: 42px; height: 42px; flex: none; }
.call-head b { display: block; font-size: 15px; line-height: 1.25; }
.call-head span:not(.glyph):not(.timer) { color: var(--muted); font: 500 11.5px/1.3 var(--mono); }
.call-head .timer { margin-left: auto; padding: 5px 9px; border-radius: 3px; background: var(--well); color: var(--sig); font: 500 15px/1 var(--mono); }

.wave { display: flex; align-items: center; gap: 3px; height: 60px; margin: 16px 20px 0; }
.wave i { flex: 1; min-width: 2px; height: 100%; border-radius: 1px; background: var(--line-2); transform: scaleY(calc(0.08 + var(--h) * 0.12)); transition: background 0.3s; }
.call.agent .wave i, .call.client .wave i { animation: wave 1.1s ease-in-out infinite; animation-delay: calc(var(--i) * -83ms); }
.call.agent .wave i { background: var(--sig); }
.call.client .wave i { background: var(--amber); }
@keyframes wave { 0%, 100% { transform: scaleY(0.1); } 25% { transform: scaleY(calc(0.25 + var(--h) * 0.75)); } 50% { transform: scaleY(0.3); } 75% { transform: scaleY(calc(0.2 + var(--h) * 0.5)); } }

.lines { display: grid; gap: 14px; min-height: 300px; align-content: start; }
.line { opacity: 0; transform: translateY(6px); transition: opacity 0.4s, transform 0.4s var(--ease); }
.line.on, html:not(.has-motion) .line { opacity: 1; transform: none; }
.bubble { max-width: 88%; }
.bubble .who { display: block; margin: 0 4px 5px; color: var(--sig); font: 500 11px/1.3 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; }
.bubble p { padding: 11px 15px; border: 1px solid rgba(61, 252, 139, 0.25); border-radius: 3px 14px 14px 14px; background: var(--sig-dim); font-size: 15px; line-height: 1.5; }
.bubble.me { justify-self: end; }
.bubble.me .who { color: var(--amber); text-align: right; }
.bubble.me p { border-color: rgba(255, 178, 46, 0.25); border-radius: 14px 3px 14px 14px; background: var(--amber-dim); }
.result { display: flex; align-items: center; gap: 10px; padding: 11px 14px; border: 1px solid rgba(61, 252, 139, 0.35); border-radius: 4px; color: var(--sig); font: 500 12.5px/1.4 var(--mono); }
.result svg { width: 18px; height: 18px; flex: none; }
.caret::after { content: ""; display: inline-block; width: 2px; height: 1em; margin-left: 2px; vertical-align: -2px; background: currentColor; animation: blink 0.9s steps(1) infinite; }

.board-lines { margin: 0; padding: 0; list-style: none; }
.board-lines li { display: grid; grid-template-columns: 44px 1fr 1fr auto; gap: 12px; align-items: center; padding: 15px 18px; border-bottom: 1px solid var(--line); transition: background 0.3s; }
.board-lines li[data-state="2"] { background: rgba(61, 252, 139, 0.05); }
.ln { color: var(--dim); font: 500 12px/1 var(--mono); }
.caller { font: 500 13px/1.2 var(--mono); }
.intent { color: var(--muted); font-size: 14px; line-height: 1.2; }
.state { display: inline-flex; align-items: center; gap: 7px; padding: 6px 9px; border-radius: 3px; background: var(--panel); color: var(--dim); font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.06em; white-space: nowrap; }
.state::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.state[data-s="1"] { color: var(--amber); }
.state[data-s="1"]::before { animation: blink 0.5s steps(1) infinite; }
.state[data-s="2"] { color: var(--sig); background: var(--sig-dim); }
.state[data-s="3"] { color: var(--sig); }
.state[data-s="4"] { color: var(--amber); background: var(--amber-dim); }
.board-foot, .dial-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.board-foot div, .dial-grid div { padding: 16px 18px; border-left: 1px solid var(--line); }
.board-foot div:first-child, .dial-grid div:first-child { border-left: 0; }
.board-foot b, .dial-grid b { display: block; font: 800 2.2rem/1 var(--display); font-stretch: 66%; color: var(--text); }
.board-foot span, .dial-grid span { display: block; margin-top: 6px; color: var(--dim); font: 500 11px/1.3 var(--mono); text-transform: uppercase; letter-spacing: 0.06em; }

.prog-row { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font: 500 12px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.06em; }
.prog-row b { color: var(--sig); font-weight: 500; }
.prog { height: 12px; margin: 12px 0 20px; border-radius: 2px; background: repeating-linear-gradient(90deg, #26241f 0 6px, transparent 6px 8px); overflow: hidden; }
.prog i { display: block; width: 0; height: 100%; background: var(--sig); -webkit-mask: repeating-linear-gradient(90deg, #000 0 6px, transparent 6px 8px); mask: repeating-linear-gradient(90deg, #000 0 6px, transparent 6px 8px); transition: width 0.6s var(--ease); }
.dial-grid { grid-template-columns: repeat(4, 1fr); margin: 0 -20px; border-block: 1px solid var(--line); }
.dial-grid div { padding: 14px 18px; }
.log { display: grid; gap: 8px; min-height: 132px; margin: 18px 0 0; padding: 0; list-style: none; font: 500 12.5px/1.4 var(--mono); }
.log li { display: grid; grid-template-columns: 52px 1fr auto; gap: 10px; color: var(--muted); animation: log-in 0.4s var(--ease); }
.log li b { font-weight: 500; }
.log li b.k-ok, .log li b.k-ans { color: var(--sig); }
.log li b.k-re { color: var(--amber); }
.log li b.k-na { color: var(--dim); }
@keyframes log-in { from { opacity: 0; transform: translateY(-6px); } }

/* patch bay */
.patch { width: 100%; height: auto; overflow: visible; }
.patch .col-t { fill: var(--dim); font: 500 11px var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }
.patch .jack-g circle { fill: var(--well); stroke: #4a463e; stroke-width: 2; }
.patch .jack-g circle.in { fill: var(--sig); stroke: none; }
.patch .jack-g text { fill: var(--text); font: 700 14px var(--display); }
.patch .cable { fill: none; stroke-width: 3; stroke-linecap: round; stroke-dasharray: 8 7; animation: patch-flow 1s linear infinite; animation-delay: var(--d); }
.patch .c-tel { stroke: var(--amber); }
.patch .c-sys { stroke: var(--sig); animation-direction: reverse; }
@keyframes patch-flow { to { stroke-dashoffset: -30; } }
.patch .unit-g rect { fill: var(--panel-2); stroke: var(--line-2); }
.patch .unit-g .screw { fill: #4a463e; }
.patch .u-name { fill: var(--text); font: 800 26px var(--display); font-stretch: 66%; letter-spacing: 0.04em; }
.patch .u-sub { fill: var(--sig); font: 500 11px var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }

/* simulator */
.sim { display: grid; grid-template-columns: 320px 1fr; gap: 24px; align-items: start; }
.sim-list { display: grid; gap: 8px; }
.sim-pick { display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: center; padding: 12px 14px; border: 1px solid var(--line-2); border-radius: 6px; background: var(--panel); text-align: left; cursor: pointer; transition: border-color 0.2s, background 0.2s; }
.sim-pick .glyph { width: 40px; height: 40px; }
.sim-pick small { display: block; color: var(--dim); font: 500 10.5px/1.3 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.sim-pick b { display: block; font-size: 15px; line-height: 1.25; }
.sim-pick:hover { border-color: rgba(61, 252, 139, 0.45); }
.sim-pick[aria-pressed="true"] { border-color: var(--sig); background: var(--panel-2); box-shadow: inset 3px 0 0 var(--sig); }
.sim-stage { display: grid; gap: 16px; min-width: 0; }
.sim-player .lines { min-height: 340px; }
.sim-empty { color: var(--dim); font: 500 13px/1.5 var(--mono); }
.sim-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; padding: 16px 20px; border-top: 1px solid var(--line-2); background: var(--panel); }
.sim-controls .btn { min-height: 46px; }
.switch { display: inline-flex; align-items: center; gap: 10px; margin-left: auto; color: var(--muted); font: 500 12px/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; cursor: pointer; }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.track-sw { position: relative; width: 42px; height: 24px; border: 1px solid var(--line-2); border-radius: 12px; background: var(--well); transition: background 0.2s; }
.track-sw::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: var(--dim); transition: transform 0.2s var(--ease), background 0.2s; }
.switch input:checked + .track-sw { background: var(--sig-dim); border-color: var(--sig); }
.switch input:checked + .track-sw::after { transform: translateX(18px); background: var(--sig); }
.switch input:focus-visible + .track-sw { outline: 2px solid var(--sig); outline-offset: 2px; }
.sim-result { padding: 24px; border: 1px solid rgba(61, 252, 139, 0.4); border-radius: 8px; background: var(--panel); }
.sim-result .eyebrow { margin-bottom: 12px; }
.sim-result-title { font: 800 1.6rem/1.05 var(--display); font-stretch: 70%; text-transform: uppercase; color: var(--sig); }
.sim-result dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 18px 0 0; border: 1px solid var(--line-2); border-radius: 4px; }
.sim-result dl div { padding: 12px 14px; border-left: 1px solid var(--line-2); }
.sim-result dl div:first-child { border-left: 0; }
.sim-result dt { color: var(--dim); font: 500 10.5px/1.3 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.sim-result dd { margin: 6px 0 0; font-size: 15px; line-height: 1.35; }

/* contact */
.contact-grid { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 24px; align-items: start; }
.form-card { padding: clamp(26px, 4vw, 44px); }
.form { display: grid; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; }
.field span { color: var(--muted); font: 500 11.5px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.field input, .field select, .field textarea { width: 100%; min-height: 50px; padding: 12px 14px; border: 1px solid var(--line-2); border-radius: 4px; background: var(--well); font-size: 15px; box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5); transition: border-color 0.2s; }
.field select { appearance: none; background: var(--well) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233dfc8b' stroke-width='1.8'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") right 14px center / 18px no-repeat; padding-right: 44px; }
.field select option { background: var(--panel); }
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 0; border-color: var(--sig); }
.check { display: flex; gap: 12px; align-items: flex-start; color: var(--muted); font-size: 14px; line-height: 1.5; }
.check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--sig); flex: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-note { min-height: 1.4em; color: var(--red); font-size: 14px; }
.form .btn { justify-self: start; }
.contact-side { display: grid; gap: 14px; }
.contact-item { display: flex; gap: 16px; align-items: center; padding: 18px; border: 1px solid var(--line-2); border-radius: 6px; background: var(--panel); }
.contact-item .glyph { width: 44px; height: 44px; flex: none; }
.contact-item b { display: block; color: var(--dim); font: 500 11px/1.4 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.contact-item a { font-size: 16px; font-weight: 600; word-break: break-word; }
.contact-item a:hover { color: var(--sig); }
.side-note { padding: 28px 24px; }
.side-note h3 { margin-bottom: 8px; }
.thanks { display: grid; gap: 14px; }
.thanks h2 { font-size: clamp(2rem, 4vw, 3rem); }

.prose { max-width: 760px; }
.prose h2 { margin: 52px 0 16px; font-size: 2rem; }
.prose p { margin-top: 14px; color: var(--muted); }

/* footer */
.site-footer { position: relative; margin-top: 40px; padding: 80px 0 0; border-top: 1px solid var(--line-2); background: var(--well); overflow: hidden; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-grid p { margin-top: 20px; color: var(--muted); font-size: 15px; max-width: 38ch; }
.footer-grid h4 { margin-bottom: 16px; color: var(--dim); font: 500 11.5px/1 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; }
.footer-grid ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.footer-grid li a { color: var(--text); font-size: 15px; transition: color 0.2s; word-break: break-word; }
.footer-grid li a:hover { color: var(--sig); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; margin-top: 60px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--dim); font: 400 12.5px/1.5 var(--mono); }
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--sig); }
.site-footer > .wrap { container-type: inline-size; }
.footer-word { margin: 36px 0 -0.17em; font: 800 27.2cqw/0.86 var(--display); font-stretch: 87.5%; color: transparent; -webkit-text-stroke: 1px rgba(61, 252, 139, 0.3); letter-spacing: 0; text-align: center; white-space: nowrap; user-select: none; }

/* floating */
.to-top, .wa { position: fixed; right: max(20px, env(safe-area-inset-right)); z-index: 40; display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid var(--line-2); border-radius: 6px; cursor: pointer; transition: opacity 0.3s, transform 0.3s var(--ease), visibility 0.3s, background 0.2s, color 0.2s; }
.to-top { bottom: max(20px, env(safe-area-inset-bottom)); background: var(--panel-2); color: var(--text); opacity: 0; visibility: hidden; transform: translateY(12px); }
.to-top.is-shown { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--sig); color: var(--sig-ink); }
.to-top svg { width: 20px; height: 20px; }
.wa { bottom: calc(max(20px, env(safe-area-inset-bottom)) + 58px); background: #1f9d55; border-color: #1f9d55; color: #fff; }
.wa:hover { background: var(--sig); color: var(--sig-ink); }
.wa svg { width: 24px; height: 24px; }
body.nav-open .to-top, body.nav-open .wa { opacity: 0; visibility: hidden; }

/* reveal */
html.has-motion .rv { opacity: 0; transform: translateY(22px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); transition-delay: calc(var(--d, 0) * 90ms); }
html.has-motion .rv.is-in { opacity: 1; transform: none; }

/* 404 */
.nf { min-height: 82svh; display: grid; place-items: center; text-align: center; padding: calc(var(--nav) + 40px) 0 60px; }
.nf strong { display: block; font: 800 clamp(8rem, 30vw, 18rem)/0.8 var(--display); font-stretch: 62%; color: transparent; -webkit-text-stroke: 2px var(--sig); }
.nf h1 { margin-top: 20px; font-size: clamp(2.4rem, 5vw, 4rem); }
.nf .lead { margin: 18px auto 0; }

/* responsive */
@media (max-width: 1100px) {
  .chain { flex-wrap: wrap; gap: 12px; }
  .chain-node { flex: 1 1 calc(33.33% - 12px); }
  .cable { display: none; }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .specs { grid-template-columns: repeat(3, 1fr); }
  .specs > div:nth-child(4) { border-left: 0; padding-left: 0; }
  .specs > div:nth-child(n + 4) { border-top: 1px solid var(--line); }
}

@media (max-width: 980px) {
  :root { --nav: 66px; --head: 96px; }
  .nav-toggle { display: inline-flex; }
  .nav-links { position: fixed; top: var(--nav); left: 0; right: 0; bottom: 0; flex-direction: column; align-items: stretch; gap: 0; margin: 0; padding: 12px 28px 40px; overflow-y: auto; background: var(--bg); border-top: 1px solid var(--line-2); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity 0.25s, transform 0.25s var(--ease), visibility 0.25s; }
  body.nav-open { overflow: hidden; }
  body.nav-open .nav-links { opacity: 1; visibility: visible; transform: none; }
  .nav-links > a:not(.nav-cta), .drop-btn { justify-content: space-between; width: 100%; height: auto; padding: 20px 0; border-radius: 0; border-bottom: 1px solid var(--line-2); color: var(--text); font: 800 28px/1 var(--display); font-stretch: 66%; text-transform: uppercase; }
  .nav-links > a:not(.nav-cta):hover, .drop-btn:hover, .drop.is-open .drop-btn { background: none; }
  .nav-links > a:not(.nav-cta)::after { content: "→"; font: 500 18px var(--mono); color: var(--sig); }
  .drop-btn svg { width: 20px; height: 20px; }
  .drop-panel { position: static; width: auto; grid-template-columns: 1fr; padding: 4px 0 12px; border: 0; background: none; box-shadow: none; opacity: 1; visibility: visible; transform: none; display: none; }
  .drop.is-open .drop-panel { display: grid; transform: none; }
  .drop-panel a { padding: 12px 0; }
  .nav-cta { margin: 28px 0 0; min-height: 56px; font-size: 16px; }
  .hero-row, .hero-grid, .split, .contact-grid, .compare, .sim, .cta-band { grid-template-columns: 1fr; }
  .hero-row .actions { justify-content: flex-start; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .feature-row { grid-template-columns: 52px 1fr; }
  .feature-row > :last-child { grid-column: 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
  .eq { display: none; }
  .ms, .daw-meta { display: none; }
  .track-head { grid-template-columns: 1fr; padding: 10px; }
  .track-head > span:not(.ms):not(.vu) { font-size: 12px; }
  .sim-list { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .wrap { width: min(var(--max), 100% - 36px); }
  .grid-2, .grid-3, .form-row { grid-template-columns: 1fr; }
  .chain-node { flex: 1 1 calc(50% - 12px); }
  .steps { grid-template-columns: 1fr 1fr; }
  .specs { grid-template-columns: 1fr 1fr; }
  .specs > div { padding: 20px 14px; border-left: 1px solid var(--line) !important; border-top: 1px solid var(--line); }
  .specs > div:nth-child(odd) { border-left: 0 !important; padding-left: 0; }
  .specs > div:nth-child(-n + 2) { border-top: 0; }
  .specs > div:last-child { grid-column: 1 / -1; }
  .feature-row { grid-template-columns: 1fr; gap: 14px; }
  .feature-row > :last-child { grid-column: auto; }
  .footer-grid { grid-template-columns: 1fr; }
  .unit { padding: 30px 22px 28px; }
  .daw-top { gap: 12px; padding: 10px 12px; }
  .daw-title { display: none; }
  .daw-caption { grid-template-columns: 1fr; }
  .cap-who { padding: 12px 16px 0; border-right: 0; }
  .daw-caption p { padding: 6px 16px 16px; }
  .daw-ruler span:nth-child(even) { display: none; }
  .board-lines li { grid-template-columns: 40px 1fr auto; }
  .board-lines .intent { grid-column: 2 / -1; grid-row: 2; }
  .dial-grid { grid-template-columns: 1fr 1fr; }
  .dial-grid div:nth-child(3) { border-left: 0; }
  .dial-grid div:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .board-foot b, .dial-grid b { font-size: 1.8rem; }
  .sim-list { grid-template-columns: 1fr; }
  .switch { margin-left: 0; }
  .sim-result dl { grid-template-columns: 1fr; }
  .sim-result dl div { border-left: 0; border-top: 1px solid var(--line-2); }
  .sim-result dl div:first-child { border-top: 0; }
  .faq details p { padding-right: 22px; }
  .log li { grid-template-columns: 44px 1fr auto; font-size: 11.5px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}