:root {
  color-scheme: dark;
  --page: min(1360px, calc(100vw - 48px));
  --stage-900: #0b0c0e;
  --stage-850: #101216;
  --stage-800: #15171c;
  --stage-750: #1b1e25;
  --stage-700: #22262f;
  --line: #2a2f39;
  --text: #ece9e2;
  --text-dim: #a9adb6;
  --text-secondary: #989da6;
  --muted: #858a93;
  --amber: #d99b3e;
  --amber-soft: #e5b462;
  --amber-deep: #9f6c2d;
  --display: "Roboto Condensed", system-ui, sans-serif;
  --body: "Onest", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --ease: cubic-bezier(.2, 0, 0, 1);
  --radius-control: 3px;
  --radius-panel: 7px;
  --control-height: 44px;
  --raised:
    inset 0 1px 0 rgba(255, 255, 255, .065),
    inset 0 -2px 3px rgba(0, 0, 0, .5),
    0 2px 4px rgba(0, 0, 0, .34);
  --recessed:
    inset 0 3px 7px rgba(0, 0, 0, .68),
    inset 0 -1px 0 rgba(255, 255, 255, .035);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 78px;
  scrollbar-color: #4a4d50 #121416;
  scrollbar-width: thin;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--stage-900);
  color: var(--text);
  font: 400 16px/1.55 var(--body);
}

::selection { background: var(--amber); color: #1a1206; }
::-webkit-scrollbar { width: 9px; height: 9px; background: #121416; }
::-webkit-scrollbar-track { background: #121416; box-shadow: inset 1px 0 rgba(255, 255, 255, .025); }
::-webkit-scrollbar-thumb { min-width: 34px; min-height: 34px; border: 2px solid #121416; border-radius: 4px; background: #4a4d50; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background: #626568; background-clip: padding-box; }

a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
img { display: block; width: 100%; max-width: 100%; height: auto; }
figure { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
p, li { text-wrap: pretty; }
.shell { width: var(--page); margin-inline: auto; }

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background-color: #242629;
  background-image: url("./assets/powder-coat-texture.png");
  background-size: 420px 420px;
  background-blend-mode: soft-light;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .08),
    inset 0 -3px 4px rgba(0, 0, 0, .62),
    0 4px 9px rgba(0, 0, 0, .4);
}

.site-header::before,
.site-header::after {
  content: "";
  position: absolute;
  top: 9px;
  width: 15px;
  height: 16px;
  background: url("./assets/rack-screw.png") center / contain no-repeat;
  opacity: .62;
  filter: brightness(.72);
  pointer-events: none;
}
.site-header::before { left: 8px; }
.site-header::after { right: 8px; }

.header-inner {
  min-height: 72px;
  display: grid;
  grid-template-columns: minmax(225px, 1fr) auto minmax(190px, 1fr);
  align-items: center;
  gap: 26px;
  padding-inline: 8px;
}

.brand {
  width: max-content;
  display: grid;
  grid-template-columns: 6px auto;
  column-gap: 11px;
  padding-left: 3px;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, .82);
}
.brand::before {
  content: "";
  grid-row: 1 / 3;
  width: 6px;
  height: 31px;
  align-self: center;
  border-radius: 2px;
  background: #d39235;
  box-shadow: inset 0 1px 0 rgba(255, 223, 168, .28);
}
.brand strong {
  font: 700 23px/.9 var(--display);
  letter-spacing: .045em;
  color: #d7d3ca;
}
.brand strong span { color: inherit; }
.brand small {
  margin-top: 4px;
  color: #969999;
  font: 500 11px/1 var(--mono);
  letter-spacing: .11em;
}

nav { display: flex; align-items: center; gap: 7px; white-space: nowrap; }
nav a,
.header-download,
.menu-toggle {
  min-height: var(--control-height);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: var(--radius-control);
  font: 600 14px/1 var(--display);
}
nav a {
  padding: 0 12px;
  color: #aaa9a5;
  transition-property: color, background-color;
  transition-duration: 140ms;
  transition-timing-function: ease-out;
}
nav a:hover { background: #202225; color: var(--amber-soft); }

.header-download {
  justify-self: end;
  min-width: 162px;
  padding: 0 17px;
  background: var(--amber);
  color: #211508;
  box-shadow: var(--raised);
  white-space: nowrap;
  transition-property: scale, background-color;
  transition-duration: 140ms;
  transition-timing-function: ease-out;
}
.header-download:hover { background: #e5a84b; }
.header-download:active { scale: .96; }
.menu-toggle { display: none; }

.hero {
  padding: 42px 0 76px;
  background: var(--stage-900);
}
.hero-layout {
  min-height: auto;
  display: grid;
  grid-template-columns: minmax(390px, .76fr) minmax(560px, 1.24fr);
  align-items: center;
  gap: clamp(48px, 5vw, 82px);
}
.hero-copy { min-width: 0; padding-left: 14px; }
.eyebrow,
.carousel-caption,
.release strong,
.guide-list small,
.guide-list b,
.download-list small,
.site-footer {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}
.eyebrow {
  margin: 0 0 15px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
}
.hero h1 { max-width: 610px; margin: 0; }
.product-name {
  display: block;
  color: var(--text);
  font: 700 clamp(52px, 5vw, 76px)/.91 var(--display);
  letter-spacing: -.018em;
  text-transform: uppercase;
}
.product-purpose {
  display: block;
  margin-top: 18px;
  color: #d0cdc6;
  font: 600 clamp(27px, 2.25vw, 36px)/1.12 var(--display);
  letter-spacing: .005em;
}
.lead {
  max-width: 585px;
  margin: 23px 0 0;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.65;
}
.hero-actions { display: flex; align-items: center; gap: 9px; margin-top: 31px; }
.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 0;
  border-radius: var(--radius-control);
  font: 600 14px/1 var(--display);
  white-space: nowrap;
  box-shadow: var(--raised);
  transition-property: scale, color, background-color, box-shadow;
  transition-duration: 140ms;
  transition-timing-function: ease-out;
}
.button:active { scale: .96; }
.button-primary { background: var(--amber); color: #211508; }
.button-primary:hover { background: #e5a84b; }
.button-secondary { background: #1c1e20; color: #bbb9b3; }
.button-secondary:hover { background: #242629; color: var(--text); }

.hero-carousel {
  min-width: 0;
  padding: 7px;
  border-radius: var(--radius-panel);
  background: #141619;
  box-shadow: var(--recessed);
}
.carousel-viewport {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 3px;
  background: #08090b;
  outline: 1px solid rgba(255, 255, 255, .055);
  outline-offset: -1px;
}
.carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  scale: .995;
  transition-property: opacity, scale, visibility;
  transition-duration: 180ms;
  transition-timing-function: var(--ease);
}
.carousel-slide.is-active { opacity: 1; visibility: visible; pointer-events: auto; scale: 1; }
.carousel-slide img { height: 100%; object-fit: contain; }
.carousel-footer {
  min-height: 46px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 3px 2px 0 10px;
}
.carousel-caption { margin: 0; color: var(--amber-soft); font-size: 12px; }
.carousel-dots { display: none; }
.carousel-controls { display: flex; gap: 4px; }
.carousel-controls button {
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-control);
  background: #1a1c1e;
  color: #858889;
  box-shadow: var(--raised);
  cursor: pointer;
  transition-property: scale, color, background-color;
  transition-duration: 140ms;
  transition-timing-function: ease-out;
}
.carousel-controls button:hover { background: #242629; color: var(--amber-soft); }
.carousel-controls button:active { scale: .96; }

.release {
  padding: 0;
  background: var(--stage-850);
  box-shadow: inset 0 3px 7px rgba(0, 0, 0, .5), inset 0 -1px 0 rgba(255, 255, 255, .025);
}
.release-inner {
  min-height: 86px;
  display: grid;
  grid-template-columns: 176px 1fr;
  align-items: center;
  gap: 30px;
}
.release strong { color: var(--amber-soft); font-size: 12px; font-weight: 500; white-space: nowrap; }
.release-highlights {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px 26px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.release-highlights li { color: var(--text-dim); font-size: 14px; }

.section { padding: 78px 0 88px; }
.section-heading { margin: 0 0 40px; }
.section-heading h2,
.download-heading h2,
.contacts h2 {
  margin: 0;
  color: var(--text);
  font: 700 clamp(38px, 3.5vw, 52px)/.98 var(--display);
  letter-spacing: -.015em;
  text-transform: uppercase;
}
.section-intro { max-width: 600px; margin: 15px 0 0; color: var(--text-dim); font-size: 15px; line-height: 1.65; }
.section-intro a { color: var(--amber-soft); text-decoration: underline; text-underline-offset: 3px; }

.screens { background: var(--stage-900); }
.screens-heading { margin-bottom: 44px; }
.feature-row {
  display: grid;
  grid-template-columns: minmax(270px, 330px) minmax(0, 1fr);
  align-items: center;
  gap: clamp(48px, 6vw, 84px);
  margin-bottom: 72px;
}
.feature-copy { min-width: 0; }
.feature-copy h3 {
  margin: 0 0 14px;
  color: #d9d5cc;
  font: 700 clamp(30px, 2.65vw, 41px)/1 var(--display);
  letter-spacing: .005em;
  text-transform: uppercase;
}
.feature-copy p { max-width: 64ch; margin: 0; color: var(--text-dim); font-size: 15px; line-height: 1.65; }
.feature-points {
  max-width: 42ch;
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--text-dim);
}
.feature-points li {
  font-size: 15px;
  line-height: 1.55;
  text-wrap: pretty;
}

.release-highlights li,
.feature-points li {
  position: relative;
  padding-left: 18px;
}

.release-highlights li::before,
.feature-points li::before {
  content: "";
  position: absolute;
  top: 0.58em;
  left: 1px;
  width: 6px;
  height: 6px;
  border-top: 1.5px solid var(--amber);
  border-right: 1.5px solid var(--amber);
  transform: rotate(45deg);
}
.screen-frame {
  position: relative;
  overflow: hidden;
  padding: 6px;
  border-radius: var(--radius-panel);
  background: #141619;
  box-shadow: var(--recessed);
}
.screen-frame img {
  height: 100%;
  border-radius: 3px;
  object-fit: cover;
  outline: 1px solid rgba(255, 255, 255, .055);
  outline-offset: -1px;
}
.screen-wide { aspect-ratio: 16 / 9; }
.screen-tall { aspect-ratio: 16 / 9; }
.screen-tall img,
.pedalboard-screen img,
.fader-screen img { object-fit: contain; }
.mode-grid {
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  align-items: stretch;
  gap: clamp(34px, 5vw, 70px);
  margin-bottom: 72px;
}
.mode-item { min-width: 0; display: flex; flex-direction: column; }
.mode-item .feature-copy { margin-bottom: 28px; }
.mode-item .feature-copy p { max-width: 58ch; }
.mode-item .feature-points { max-width: 54ch; }
.mode-screen { margin-top: auto; aspect-ratio: 16 / 9; }
.feature-fader { margin-bottom: 0; }
.fader-screen { aspect-ratio: 1180 / 555; }

.video {
  background: var(--stage-800);
  box-shadow: inset 0 3px 7px rgba(0, 0, 0, .48), inset 0 -1px 0 rgba(255, 255, 255, .025);
}
.video-layout {
  display: grid;
  grid-template-columns: minmax(270px, 350px) minmax(0, 1fr);
  align-items: start;
  gap: clamp(54px, 7vw, 100px);
}
.video-layout .section-heading { margin: 0; }
.video-layout .section-heading h2,
.guides-layout .section-heading h2 { font-size: clamp(36px, 3vw, 46px); }
.video-intro { max-width: 34ch; }
.video-topic-switch { display: grid; gap: 6px; margin-top: 25px; }
.video-topic-switch button {
  width: 100%;
  min-height: 58px;
  padding: 10px 13px;
  border: 0;
  border-radius: var(--radius-control);
  background: #1b1d1f;
  color: #9a9b99;
  box-shadow: var(--raised);
  font-size: 14px;
  line-height: 1.42;
  text-align: left;
  cursor: pointer;
  transition-property: scale, color, background-color, box-shadow;
  transition-duration: 140ms;
  transition-timing-function: ease-out;
}
.video-topic-switch button:hover { background: #242629; color: var(--text); }
.video-topic-switch button:active { scale: .96; }
.video-topic-switch button.is-active { background: #202225; color: var(--amber-soft); box-shadow: none; }
.video-player { min-width: 0; }
.video-shell {
  padding: 6px;
  border-radius: var(--radius-panel);
  background: #141619;
  box-shadow: var(--recessed);
}
.video-shell iframe { display: block; width: 100%; aspect-ratio: 16 / 9; border: 0; border-radius: 3px; background: #08090b; }
.video-player-footer {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 8px;
}
.video-provider-switch { display: flex; gap: 5px; }
.video-provider-switch button {
  min-width: 108px;
  min-height: var(--control-height);
  padding: 0 12px;
  border: 0;
  border-radius: var(--radius-control);
  background: #1b1d1f;
  color: var(--muted);
  box-shadow: var(--raised);
  font: 500 13px/1 var(--mono);
  cursor: pointer;
  transition-property: scale, color, background-color, box-shadow;
  transition-duration: 140ms;
}
.video-provider-switch button:hover { background: #242629; color: var(--text); }
.video-provider-switch button:active { scale: .96; }
.video-provider-switch button.is-active { background: #202225; color: var(--amber-soft); box-shadow: none; }
.video-player-footer a {
  min-height: var(--control-height);
  display: inline-flex;
  align-items: center;
  color: var(--text-dim);
  font-size: 13px;
  transition: color 140ms ease-out;
}
.video-player-footer a:hover { color: var(--amber-soft); }

.guides { background: var(--stage-900); }
.guides-layout {
  display: grid;
  grid-template-columns: minmax(235px, 310px) minmax(0, 1fr);
  gap: clamp(56px, 8vw, 116px);
}
.guides-layout .section-heading { margin: 0; }
.guide-list { display: grid; gap: 7px; }
.guide-row,
.install-guide > summary {
  min-height: 94px;
  display: grid;
  grid-template-columns: 35px minmax(0, 1fr) auto;
  align-items: center;
  gap: 15px;
  padding: 13px 18px;
  border: 0;
  border-radius: var(--radius-control);
  background: #17191b;
  box-shadow: var(--raised);
  cursor: pointer;
  transition-property: scale, color, background-color, box-shadow;
  transition-duration: 140ms;
  transition-timing-function: ease-out;
}
.guide-row:hover,
.install-guide > summary:hover { background: #202225; }
.guide-row:active,
.install-guide > summary:active { scale: .995; }
.guide-index { color: #858a93; font: 500 12px/1 var(--mono); font-variant-numeric: tabular-nums; }
.guide-copy { min-width: 0; display: flex; flex-direction: column; align-items: flex-start; }
.guide-copy small { margin-bottom: 5px; color: var(--amber-soft); font-size: 12px; font-weight: 500; letter-spacing: .03em; }
.guide-copy strong { color: #d9d5cc; font: 600 20px/1.08 var(--display); }
.guide-copy > span { margin-top: 6px; color: var(--text-dim); font-size: 13px; }
.guide-action { min-height: var(--control-height); display: flex; align-items: center; gap: 10px; color: var(--text-dim); font-size: 12px; font-weight: 500; }
.guide-action > span[aria-hidden] { color: var(--muted); }
.install-guide > summary { list-style: none; }
.install-guide > summary::-webkit-details-marker { display: none; }
.guide-action i { position: relative; width: 16px; height: 16px; }
.guide-action i::before,
.guide-action i::after { content: ""; position: absolute; left: 3px; right: 3px; top: 7px; height: 1px; background: currentColor; }
.guide-action i::after { rotate: 90deg; transition: rotate 140ms ease-out; }
.guide-action .hide-label { display: none; }
.install-guide[open] .guide-action .show-label { display: none; }
.install-guide[open] .guide-action .hide-label { display: inline; }
.install-guide[open] .guide-action i::after { rotate: 0deg; }
.install-guide[open] .guide-action { color: var(--amber-soft); }
.install-guide-content {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px;
  margin-top: 7px;
  padding: 28px;
  border-radius: var(--radius-control);
  background: var(--stage-800);
  box-shadow: var(--recessed);
}
.install-guide-content article { min-width: 0; }
.install-guide-content header { margin-bottom: 20px; display: flex; justify-content: space-between; gap: 14px; align-items: baseline; }
.install-guide-content h3 { margin: 0; font: 600 24px/1 var(--display); }
.install-guide-content header span { color: var(--muted); font: 500 11px/1.3 var(--mono); }
.install-guide-content ol { margin: 0; padding: 0; list-style: none; }
.install-guide-content li { display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 10px; padding-block: 9px; }
.install-guide-content li > span { padding-top: 3px; color: #858a93; font: 500 11px/1 var(--mono); font-variant-numeric: tabular-nums; }
.install-guide-content li p { margin: 0; color: var(--text-dim); font-size: 13px; line-height: 1.55; }
.install-guide-content li a { color: var(--amber-soft); text-decoration: underline; text-underline-offset: 3px; }

.download { background: var(--stage-850); }
.download .shell {
  position: relative;
  padding: 56px 64px 50px;
  border-radius: var(--radius-panel);
  background-color: #232528;
  background-image: url("./assets/powder-coat-texture.png");
  background-size: 420px 420px;
  background-blend-mode: soft-light;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .07),
    inset 0 -3px 5px rgba(0, 0, 0, .58),
    0 5px 12px rgba(0, 0, 0, .28);
}
.download .shell::before,
.download .shell::after,
.download-heading::before,
.download-heading::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 17px;
  background: url("./assets/rack-screw.png") center / contain no-repeat;
  opacity: .58;
  filter: brightness(.7);
  pointer-events: none;
}
.download .shell::before { top: 11px; left: 11px; }
.download .shell::after { top: 11px; right: 11px; }
.download-heading::before { bottom: 11px; left: 11px; }
.download-heading::after { right: 11px; bottom: 11px; }
.download-heading { position: static; margin-bottom: 32px; }
.download-heading .eyebrow { margin-bottom: 12px; }
.download-heading h2 { font-size: clamp(38px, 3.3vw, 49px); }
.download-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.download-list article {
  min-width: 0;
  display: grid;
  align-content: space-between;
  gap: 26px;
  padding: 24px;
  border: 0;
  border-radius: var(--radius-control);
  background: #191b1d;
  box-shadow: var(--recessed);
}
.download-list small { color: var(--amber-soft); font-size: 12px; font-weight: 500; letter-spacing: .03em; }
.download-list h3 { margin: 6px 0 5px; color: #e0dcd4; font: 600 28px/1.05 var(--display); }
.download-list h3 em { margin-left: 5px; color: var(--muted); font: 500 13px/1 var(--mono); font-style: normal; }
.download-list p { max-width: 62ch; margin: 0; color: var(--text-dim); font-size: 14px; line-height: 1.58; }
.download-actions { display: flex; flex-wrap: wrap; gap: 7px; }
.download-actions a {
  min-width: 130px;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border: 0;
  border-radius: var(--radius-control);
  background: var(--amber);
  color: #211508;
  box-shadow: var(--raised);
  font: 600 14px/1 var(--display);
  white-space: nowrap;
  transition-property: scale, background-color;
  transition-duration: 140ms;
  transition-timing-function: ease-out;
}
.download-actions a:hover { background: #e5a84b; }
.download-actions a:active { scale: .96; }
.checksum { min-height: var(--control-height); display: inline-flex; align-items: center; margin-top: 14px; color: var(--text-dim); font-size: 13px; transition: color 140ms ease-out; }
.checksum:hover { color: var(--amber-soft); }

.contacts { background: var(--stage-900); }
.contacts-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(350px, 450px); gap: clamp(58px, 8vw, 112px); align-items: start; }
.contacts h2 { max-width: 680px; font-size: clamp(30px, 2.75vw, 42px); line-height: 1.14; text-transform: none; }
.contact-links { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.contact-links a {
  min-height: 70px;
  display: flex;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  padding: 12px 15px;
  border-radius: var(--radius-control);
  background: #17191b;
  color: var(--text-dim);
  box-shadow: var(--raised);
  transition-property: scale, color, background-color;
  transition-duration: 140ms;
  transition-timing-function: ease-out;
}
.contact-links a:hover { background: #202225; color: var(--amber-soft); }
.contact-links a:active { scale: .96; }
.contact-links b { color: #d0cdc6; font: 600 14px/1 var(--display); }
.contact-links span { color: inherit; font-size: 12px; }

.site-footer { padding: 16px 0; background: #08090b; color: var(--muted); font-size: 13px; }
.site-footer .shell { min-height: 42px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer-links { display: flex; align-items: center; gap: 8px; }
.site-footer a { min-height: var(--control-height); display: inline-flex; align-items: center; padding: 0 9px; border-radius: var(--radius-control); transition-property: color, background-color; transition-duration: 140ms; }
.site-footer a:hover { background: #17191b; color: var(--amber-soft); }

@media (max-width: 1120px) {
  :root { --page: min(1000px, calc(100vw - 40px)); }
  .header-inner { grid-template-columns: minmax(205px, 1fr) auto minmax(160px, 1fr); gap: 18px; }
  nav a { padding-inline: 9px; }
  .hero-layout { min-height: auto; grid-template-columns: 1fr; padding: 22px 0 12px; }
  .hero-copy { max-width: 780px; }
  .hero h1 { max-width: 780px; }
  .hero-carousel { max-width: 930px; }
  .release-highlights { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .feature-row { grid-template-columns: minmax(245px, 300px) minmax(0, 1fr); }
  .mode-item .feature-copy { min-height: 204px; }
  .video-layout,
  .guides-layout { grid-template-columns: minmax(230px, 290px) minmax(0, 1fr); gap: 48px; }
}

@media (max-width: 860px) {
  html { scroll-padding-top: 70px; }
  .header-inner { min-height: 68px; grid-template-columns: 1fr auto auto; padding-inline: 10px; }
  .brand small { display: none; }
  .brand::before { height: 24px; }
  .brand strong { font-size: 20px; }
  .menu-toggle {
    display: inline-flex;
    padding: 0 12px;
    background: #1c1e20;
    color: #bbb9b3;
    box-shadow: var(--raised);
    cursor: pointer;
  }
  .menu-toggle:active { scale: .96; }
  nav {
    position: absolute;
    top: 68px;
    left: 20px;
    right: 20px;
    display: none;
    padding: 7px;
    border-radius: var(--radius-panel);
    background: #202225;
    box-shadow: 0 16px 34px rgba(0, 0, 0, .55), inset 0 1px 0 rgba(255, 255, 255, .055);
  }
  nav.is-open { display: grid; }
  nav a { justify-content: flex-start; min-height: 44px; padding-inline: 12px; }
  .header-download { min-width: 0; min-height: 40px; padding-inline: 12px; }
  .release-inner { grid-template-columns: 1fr; gap: 13px; padding-block: 20px; }
  .release-highlights { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-row { grid-template-columns: 1fr; gap: 29px; }
  .mode-grid { gap: 28px; }
  .mode-item .feature-copy { min-height: 230px; }
  .video-layout,
  .guides-layout,
  .contacts-layout { grid-template-columns: 1fr; gap: 42px; }
  .video-topic-switch { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .download-list { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  :root { --page: calc(100vw - 28px); }
  body { font-size: 14px; }
  .site-header::before,
  .site-header::after { display: none; }
  .header-inner { grid-template-columns: 1fr auto auto; gap: 7px; padding-inline: 0; }
  .brand { grid-template-columns: 4px auto; gap: 8px; }
  .brand::before { width: 4px; height: 22px; }
  .brand strong { font-size: 17px; letter-spacing: .025em; }
  .header-download { min-height: 42px; padding-inline: 9px; font-size: 12px; }
  .menu-toggle { min-height: 42px; padding-inline: 9px; font-size: 12px; }
  .hero { padding: 29px 0 46px; }
  .hero-layout { gap: 34px; padding: 0; }
  .hero-copy { padding-left: 0; }
  .eyebrow { margin-bottom: 12px; }
  .product-name { font-size: clamp(43px, 13vw, 57px); }
  .product-purpose { margin-top: 13px; font-size: clamp(24px, 7vw, 30px); }
  .lead { margin-top: 17px; font-size: 13px; line-height: 1.55; }
  .hero-actions { align-items: stretch; flex-direction: column; margin-top: 24px; }
  .button { width: 100%; }
  .hero-carousel { padding: 5px; }
  .carousel-footer { min-height: 44px; padding-left: 7px; }
  .carousel-controls button { width: 42px; height: 42px; }
  .release-highlights { gap: 8px 14px; }
  .release-highlights li { font-size: 13px; }
  .section { padding: 56px 0 64px; }
  .section-heading { margin-bottom: 32px; }
  .section-heading h2,
  .download-heading h2 { font-size: 36px; }
  .contacts h2 { font-size: 29px; }
  .feature-row { margin-bottom: 52px; }
  .mode-grid { grid-template-columns: 1fr; margin-bottom: 52px; }
  .mode-item .feature-copy { margin-bottom: 22px; }
  .mode-item + .mode-item { margin-top: 36px; }
  .feature-copy h3 { font-size: 31px; }
  .feature-copy p,
  .feature-points li { font-size: 14px; }
  .video-topic-switch { grid-template-columns: 1fr; margin-top: 24px; }
  .video-player-footer { align-items: flex-start; flex-direction: column; gap: 2px; padding-top: 10px; }
  .video-provider-switch { width: 100%; }
  .video-provider-switch button { flex: 1; }
  .guide-list { gap: 6px; }
  .guide-row,
  .install-guide > summary { grid-template-columns: 28px minmax(0, 1fr); gap: 10px; padding: 12px; }
  .guide-copy strong { font-size: 18px; }
  .guide-copy > span { font-size: 12px; }
  .guide-action { grid-column: 2; justify-self: start; min-height: 32px; margin-top: -11px; }
  .install-guide-content { grid-template-columns: 1fr; gap: 27px; padding: 20px; }
  .download .shell { padding: 46px 20px 36px; }
  .download-list article { padding: 20px; }
  .download-actions { flex-direction: column; }
  .download-actions a { width: 100%; }
  .contact-links { grid-template-columns: 1fr; }
  .site-footer .shell { align-items: flex-start; flex-direction: column; gap: 6px; }
  .footer-links { align-items: flex-start; flex-direction: column; gap: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
  .carousel-slide { scale: 1; }
}