:root {
  --paper: #ebe4d4;
  --paper-2: #e2d8c4;
  --ink: #161410;
  --mute: #6f685c;
  --faint: #9a9284;
  --rule: #cfc6b2;
  --hot: #d24a2e;
  --device: #0f1113;
  --max: 1180px;
  --nav: 48px;
  --sans: "IBM Plex Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

* { box-sizing: border-box; }

html {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--paper);
  position: relative;
  z-index: 1;
}

/* paper grain — TE catalog, not a texture pack */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.045;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

::selection {
  background: var(--ink);
  color: var(--paper);
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

a:hover { color: var(--hot); }

:focus-visible {
  outline: 1px solid var(--hot);
  outline-offset: 3px;
}

.wrap {
  width: min(var(--max), calc(100vw - 48px));
  margin-inline: auto;
}

.full {
  width: min(1200px, calc(100vw - 32px));
  margin-inline: auto;
}

/* --- nav ---------------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  height: var(--nav);
  padding: 0 24px;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  user-select: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 500;
}

.brand svg { display: block; }

.nav-links {
  display: flex;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a { text-decoration: none; }
.nav-links a:hover { text-decoration: underline; }

/* --- fold: name + instrument on one screen ------------------------------ */
.fold {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 36px 0 56px;
  box-sizing: border-box;
}

.hero {
  width: min(var(--max), calc(100vw - 48px));
  text-align: center;
  flex: 0 0 auto;
}

.kicker {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: lowercase;
  color: var(--mute);
}

.wordmark {
  margin: 0;
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(40px, 7vw, 72px);
  line-height: 0.9;
  letter-spacing: -0.04em;
}

.product {
  margin: 6px 0 0;
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(18px, 2.4vw, 24px);
  letter-spacing: -0.03em;
}

.lede {
  margin: 16px 0 0;
  padding: 0;
  color: var(--mute);
}

@media (min-width: 720px) {
  .lede { white-space: nowrap; }
}

.compat {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.compat li {
  padding: 5px 10px 4px;
  border: 1px solid var(--rule);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: var(--mute);
}

/* --- object / shots ----------------------------------------------------- */
.device {
  width: min(1040px, calc(100vw - 48px));
  margin: 20px auto 0;
  align-self: center;
  flex: 0 0 auto;
}

.device img {
  display: block;
  width: 100%;
  height: auto;
  background: var(--device);
  box-shadow:
    0 1px 0 rgba(22, 20, 16, 0.06),
    0 28px 80px rgba(22, 20, 16, 0.16);
}

.device .cap {
  width: 100%;
  flex: 0 0 auto;
}

.cap {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin: 10px 2px 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: var(--mute);
}

/* --- tape --------------------------------------------------------------- */
.tape {
  padding: 0 0 80px;
}

.tape-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--device);
  color: #a2a9b2;
  display: grid;
  place-items: center;
  box-shadow: 0 28px 80px rgba(22, 20, 16, 0.16);
}

.tape-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.tape-idle {
  text-align: center;
  letter-spacing: 0.16em;
  text-transform: lowercase;
  font-size: 11px;
}

.play {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  border: 1px solid #343a42;
  border-radius: 50%;
  display: grid;
  place-items: center;
}

.play i {
  display: block;
  width: 0;
  height: 0;
  margin-left: 3px;
  border-style: solid;
  border-width: 7px 0 7px 12px;
  border-color: transparent transparent transparent #e9ecef;
}

/* --- index / manual ----------------------------------------------------- */
hr.rule {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 0;
}

.sheet {
  padding: 56px 0 24px;
  border-top: 1px solid var(--rule);
}

.section {
  padding: 32px 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: lowercase;
  color: var(--mute);
}

.section-head.sub {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
}

.index {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.item {
  display: grid;
  grid-template-columns: 32px 80px 1fr;
  gap: 12px;
  padding: 12px 8px;
  border-top: 1px solid var(--rule);
}

.item:nth-child(odd) { padding-right: 28px; }
.item:nth-child(even) { padding-left: 28px; }

.item .id { color: var(--faint); }
.item .name { font-weight: 500; }
.item .copy { color: var(--mute); }

.cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.cols h3 {
  margin: 0 0 14px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: lowercase;
}

.cols ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.cols li {
  padding: 8px 0;
  border-top: 1px solid var(--rule);
  color: var(--mute);
}

.cols .dim li { color: var(--faint); }

.requires {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--mute);
}

.requires li::before {
  content: "→ ";
  color: var(--faint);
}

/* --- signal ------------------------------------------------------------- */
.signal {
  padding: 48px 0 56px;
  text-align: center;
}

.signal .kicker { color: var(--hot); }

.signal h2 {
  margin: 0;
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(24px, 3.2vw, 36px);
  letter-spacing: -0.03em;
}

.signal p {
  max-width: 34em;
  margin: 18px auto 0;
  color: var(--mute);
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 32px;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.12em;
  text-transform: lowercase;
  font-size: 12px;
}

.cta:hover {
  background: var(--ink);
  color: var(--paper);
}

.stars {
  font-variant-numeric: tabular-nums;
  color: inherit;
}

/* --- footer ------------------------------------------------------------- */
.foot {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 18px 0 28px;
  border-top: 1px solid var(--rule);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: var(--mute);
}

.foot a { text-decoration: none; }

/* --- motion ------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .fold, .tape-frame {
    animation: rise 700ms ease both;
  }
}

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* --- print / mobile ----------------------------------------------------- */
@media (max-width: 760px) {
  .wrap { width: calc(100% - 32px); }
  .full { width: calc(100% - 16px); }
  .hero { padding-top: 48px; }
  .index,
  .cols { grid-template-columns: 1fr; }
  .item,
  .item:nth-child(odd),
  .item:nth-child(even) {
    grid-template-columns: 32px 72px 1fr;
    padding-inline: 0;
  }
  .nav { padding-inline: 16px; }
}

@media print {
  body::before { display: none; }
  .nav, .signal, .tape { display: none; }
  .device { box-shadow: none; }
}