:root {
  --purple-deep: #3e075f;
  --purple-deeper: #240332;
  --purple-mid: #7b2d86;
  --purple-pure: #b86da7;
  --purple-pale: #eadde6;
  --stone: #b8a58d;
  --stone-light: #eee8df;
  --paper: #f8f5ef;
  --paper-deep: #f0ebe3;
  --ink: #241e25;
  --ink-soft: #6b616d;
  --line: rgba(62, 7, 95, 0.14);
  --white: #fffdfa;
  --max: 1200px;
  --radius: 26px;
  --shadow: 0 26px 70px rgba(45, 11, 50, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 138px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; }
svg { display: block; }
.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;
}
.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  transform: translateY(-160%);
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--purple-deep);
  color: var(--white);
  font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  background: rgba(248, 245, 239, 0.94);
  backdrop-filter: blur(18px);
}
.header-inner {
  width: min(var(--max), calc(100% - 40px));
  height: 86px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 17px; text-decoration: none; }
.zens-logo-lockup {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 237 / 48;
  flex: 0 0 auto;
}
.zens-logo-lockup img { width: 100%; height: 100%; object-fit: contain; }
.zens-logo-lockup .logo-stripe {
  position: absolute;
  left: 27.848%;
  width: 19.831%;
  height: 14.584%;
  background: var(--purple-deep);
  pointer-events: none;
}
.zens-logo-lockup .stripe-one { top: 0; }
.zens-logo-lockup .stripe-two { top: 41.667%; }
.zens-logo-lockup .stripe-three { top: 83.333%; }
.brand .zens-logo-lockup { width: clamp(146px, 12.5vw, 166px); }
.brand-divider { width: 1px; height: 29px; background: var(--line); }
.brand-product { font-size: 14px; font-weight: 850; letter-spacing: .14em; }
.header-actions { display: flex; align-items: center; gap: 9px; }
.manual-edition,
.print-button {
  min-height: 38px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .45);
  color: var(--purple-deep);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .04em;
}
.manual-edition { display: inline-flex; align-items: center; white-space: nowrap; }
.print-button { cursor: pointer; }
.print-button:hover { background: var(--white); border-color: rgba(123,45,134,.36); }
.menu-button {
  display: none;
  width: 40px;
  height: 40px;
  padding: 9px;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.menu-button > span:not(.sr-only) { display: block; height: 2px; margin: 4px 0; background: var(--purple-deep); }
.manual-nav {
  width: min(var(--max), calc(100% - 40px));
  margin: auto;
  display: flex;
  align-items: center;
  gap: 34px;
  overflow-x: auto;
  scrollbar-width: none;
}
.manual-nav::-webkit-scrollbar { display: none; }
.manual-nav a {
  flex: 0 0 auto;
  padding: 13px 0 15px;
  border-bottom: 2px solid transparent;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 14px;
  font-weight: 780;
}
.manual-nav a:hover,
.manual-nav a[aria-current="true"] { color: var(--purple-deep); border-color: var(--purple-pure); }

.section { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; padding: 100px 0; }
.section.compact { padding-top: 42px; padding-bottom: 72px; }
.eyebrow {
  margin: 0 0 16px;
  color: var(--purple-mid);
  font-size: 11px;
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: .18em;
}
.section-heading { max-width: 760px; margin-bottom: 44px; }
.section-heading h2 {
  margin: 0;
  font-size: clamp(42px, 5vw, 64px);
  line-height: .98;
  letter-spacing: -.048em;
}
.section-heading > p:last-child,
.split-heading > p { margin: 0; color: var(--ink-soft); font-size: 18px; }
.split-heading {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
  gap: 70px;
  align-items: end;
}

.hero {
  position: relative;
  min-height: 640px;
  display: grid;
  grid-template-columns: .88fr 1.12fr;
  align-items: center;
  padding-top: 70px;
  padding-bottom: 82px;
  overflow: hidden;
}
.hero-copy { position: relative; z-index: 3; }
.hero h1 {
  max-width: 660px;
  margin: 0;
  font-size: clamp(54px, 6vw, 82px);
  line-height: 1.02;
  letter-spacing: -.035em;
  word-spacing: .07em;
}
.hero-intro { max-width: 530px; margin: 27px 0 30px; color: var(--ink-soft); font-size: clamp(18px, 2vw, 22px); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.primary-button {
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--purple-deep);
  color: var(--white);
  text-decoration: none;
  font-weight: 850;
  box-shadow: 0 14px 30px rgba(62,7,95,.18);
}
.primary-button::after { content: "↓"; margin-left: 15px; }
.hero-product {
  position: relative;
  z-index: 1;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-product > img {
  position: relative;
  z-index: 2;
  width: min(720px, 115%);
  transform: translate(3%, -2%);
  filter: drop-shadow(0 38px 30px rgba(61,9,65,.24));
}
.product-glow {
  position: absolute;
  width: min(540px, 88%);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 45% 45%, rgba(184,109,167,.46), rgba(184,109,167,.12) 48%, transparent 72%);
}
.sound-rings {
  position: absolute;
  right: -18%;
  top: -4%;
  width: 760px;
  aspect-ratio: 1;
  border: 1px solid rgba(123,45,134,.12);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(123,45,134,.045), 0 0 0 140px rgba(123,45,134,.04), 0 0 0 210px rgba(123,45,134,.03), 0 0 0 280px rgba(123,45,134,.025);
}
.setup-rail {
  position: absolute;
  z-index: 4;
  left: 7%;
  right: 2%;
  bottom: 8px;
  min-height: 66px;
  padding: 12px 18px;
  border: 1px solid rgba(62,7,95,.12);
  border-radius: 18px;
  background: rgba(255,253,250,.9);
  box-shadow: 0 16px 40px rgba(45,11,50,.12);
  backdrop-filter: blur(14px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 17px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 750;
}
.setup-rail span { display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.setup-rail b { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--purple-pale); color: var(--purple-deep); font-size: 10px; }
.setup-rail i { color: var(--purple-pure); font-style: normal; }

.document-note {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 13px 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 13px;
  color: var(--ink-soft);
  font-size: 12px;
}
.document-note p { margin: 0; }
.document-note strong { color: var(--ink); }
.status-dot { flex: 0 0 auto; width: 7px; height: 7px; border-radius: 50%; background: #c88809; box-shadow: 0 0 0 4px rgba(200,136,9,.12); }

.journey-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 13px; }
.journey-card {
  min-height: 118px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,.48);
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  align-items: center;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.journey-card:hover { transform: translateY(-3px); background: var(--white); border-color: rgba(123,45,134,.35); }
.journey-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%; background: var(--purple-pale); }
.journey-icon svg { width: 26px; height: 26px; fill: none; stroke: var(--purple-deep); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.journey-card > span:last-child { display: grid; }
.journey-card b { color: var(--purple-pure); font-size: 10px; letter-spacing: .1em; }
.journey-card strong { font-size: 18px; }
.journey-card small { color: var(--ink-soft); font-size: 11px; }

.box-layout { display: grid; grid-template-columns: .95fr 1.05fr; gap: 18px; }
.case-card {
  min-height: 548px;
  padding: 25px;
  border-radius: var(--radius);
  background: linear-gradient(145deg, #d8c9b7, #c5b099);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.card-label { color: rgba(36,30,37,.72); font-size: clamp(13px, 1.05vw, 18px); font-weight: 850; letter-spacing: .16em; }
.case-card img {
  width: clamp(300px, 88%, 570px);
  height: auto;
  margin: auto;
  object-fit: contain;
  filter: drop-shadow(0 28px 25px rgba(43,15,46,.18));
}
.case-card > div { display: flex; justify-content: space-between; gap: 20px; font-size: 18px; }
.case-card > div span { color: rgba(36,30,37,.62); }
.kit-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.kit-list article {
  min-height: 266px;
  padding: 23px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: 1fr auto;
  gap: 14px;
}
.kit-list article > b { color: var(--purple-mid); font-size: 12px; }
.kit-list article > div { grid-column: 1 / -1; display: grid; align-self: end; }
.kit-list article strong { font-size: 16px; }
.kit-list article small { color: var(--ink-soft); }
.kit-symbol { grid-column: 1 / -1; position: relative; width: 118px; height: 100px; margin: 4px auto 0; }
.kit-product-image {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  width: 100%;
  min-height: 116px;
}
.kit-product-image img { width: 100%; max-width: 320px; height: auto; object-fit: contain; }
.accessory-card .kit-product-image { min-height: 130px; }
.accessory-card .kit-product-image img { mix-blend-mode: multiply; }
.warranty-card-preview {
  grid-column: 1 / -1;
  display: block;
  position: relative;
  width: min(180px, 100%);
  aspect-ratio: 1;
  place-self: center;
  overflow: hidden;
  box-shadow: 0 5px 14px rgba(43,15,46,.12);
}
.warranty-card-preview img {
  /* Show source pixels (160,160)–(1562,1562), inside the artwork guides.
     The original file and its printed QR code remain byte-for-byte unchanged. */
  position: absolute;
  width: 122.824536%;
  max-width: none;
  height: auto;
  left: -11.412268%;
  top: -11.412268%;
}
.warranty-card-preview:focus-visible { outline: 3px solid var(--purple-mid); outline-offset: 5px; }
.guide-symbol { width: 74px; border: 2px solid var(--purple-mid); border-radius: 6px; }
.guide-symbol::before, .guide-symbol::after, .guide-symbol i { content: ""; position: absolute; left: 14px; right: 14px; height: 2px; background: var(--purple-mid); }
.guide-symbol::before { top: 27px; box-shadow: 0 15px 0 var(--purple-mid); }
.guide-symbol::after { top: 57px; }
.guide-symbol i { top: 72px; right: 30px; }
.source-note { margin: 16px 0 0; color: var(--ink-soft); font-size: 11px; }

.overview-section,
.pair-section,
.help-section { width: 100%; background: var(--purple-deeper); color: var(--white); }
.overview-inner,
.pair-inner,
.help-inner { width: min(var(--max), calc(100% - 40px)); }
.light-heading .eyebrow { color: #d79ac9; }
.light-heading > p:last-child,
.light-heading.split-heading > p { color: rgba(255,255,255,.64); }
.overview-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 62px; align-items: center; }
.overview-visual { position: relative; min-width: 0; display: flex; align-items: center; justify-content: center; }
.overview-artwork { position: relative; width: 100%; max-width: 700px; aspect-ratio: 1; isolation: isolate; }
.overview-artwork > img { position: relative; z-index: 2; width: 100%; height: auto; filter: drop-shadow(0 34px 36px rgba(0,0,0,.3)); }
.overview-ring { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); border: 1px solid rgba(184,109,167,.28); border-radius: 50%; aspect-ratio: 1; }
.ring-a { width: 80%; }
.ring-b { width: 58%; box-shadow: 0 0 0 76px rgba(184,109,167,.045); }
.overview-leaders { position: absolute; z-index: 3; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.overview-leaders-mobile { display: none; }
.leader-path { fill: none; stroke: #e8b7dc; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.target-ring { fill: rgba(36,3,50,.5); stroke: #f4cce9; stroke-width: 1.3; vector-effect: non-scaling-stroke; }
.target-dot { fill: #fff4fc; }
.visual-callout {
  position: absolute;
  z-index: 4;
  padding: 8px 12px 8px 8px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px;
  background: rgba(34,3,48,.78);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.78);
  font-size: 11px;
  font-weight: 750;
}
.visual-callout b { width: 25px; height: 25px; border-radius: 50%; display: grid; place-items: center; background: var(--purple-pure); color: var(--purple-deeper); }
.visual-callout { white-space: nowrap; }
.callout-touch { left: 0; top: 54%; }
.callout-slots { right: 0; top: 53.5%; }
.callout-led { left: 35%; top: 91%; }
.feature-stack article { display: grid; grid-template-columns: 42px 1fr; gap: 17px; padding: 20px 0; border-top: 1px solid rgba(255,255,255,.15); }
.feature-stack article:last-child { border-bottom: 1px solid rgba(255,255,255,.15); }
.feature-stack article > span { width: 33px; height: 33px; border: 1px solid rgba(255,255,255,.28); border-radius: 50%; display: grid; place-items: center; color: #e0abd3; font-size: 11px; font-weight: 850; }
.feature-stack strong { font-size: 17px; }
.feature-stack p { margin: 4px 0 0; color: rgba(255,255,255,.61); font-size: 13px; }

.procedure-section { padding-bottom: 94px; }
.procedure-grid { display: grid; grid-template-columns: 1.28fr .72fr; gap: 30px; align-items: start; }
.procedure-figure { margin: 0; }
.procedure-figure > img { width: 100%; border-radius: 26px; box-shadow: var(--shadow); }
.procedure-figure figcaption { margin: 12px 8px 0; color: var(--ink-soft); font-size: 11px; }
.instruction-list { list-style: none; margin: 0; padding: 0; }
.instruction-list li { display: grid; grid-template-columns: 48px 1fr; gap: 17px; padding: 23px 0; border-top: 1px solid var(--line); }
.instruction-list li:last-child { border-bottom: 1px solid var(--line); }
.instruction-list li > span { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: var(--purple-deep); color: var(--white); font-size: 11px; font-weight: 850; }
.instruction-list strong { font-size: 17px; }
.instruction-list p { margin: 4px 0 0; color: var(--ink-soft); font-size: 13px; }
.safety-inline { margin-top: 22px; padding: 18px 22px; border-radius: 16px; background: #e8ded1; display: flex; gap: 15px; }
.safety-inline strong { color: var(--purple-deep); white-space: nowrap; }
.safety-inline span { color: var(--ink-soft); }

.reverse-grid { grid-template-columns: .72fr 1.28fr; }
.dark-figure > img { box-shadow: 0 28px 70px rgba(0,0,0,.25); }
.dark-figure figcaption { color: rgba(255,255,255,.55); }
.light-list li { border-color: rgba(255,255,255,.16); }
.light-list li > span { background: var(--purple-pure); color: var(--purple-deeper); }
.light-list p { color: rgba(255,255,255,.62); }
.manual-detail { margin-top: 18px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
.manual-detail summary { cursor: pointer; padding: 18px 22px; color: var(--purple-deep); font-weight: 850; }
.manual-detail p { margin: 0; padding: 0 22px 22px; color: var(--ink-soft); }
.dark-detail { margin-left: calc(28% + 30px); border-color: rgba(255,255,255,.17); background: rgba(255,255,255,.08); }
.dark-detail summary { color: #e3bddb; }
.dark-detail p { color: rgba(255,255,255,.62); }

.heading-with-status { max-width: none; display: flex; justify-content: space-between; align-items: end; gap: 25px; }
.pending-pill { flex: 0 0 auto; padding: 8px 12px; border: 1px solid #c88809; border-radius: 999px; color: #8c5e05; font-size: 10px; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; }
.section-lead { max-width: 770px; margin: -22px 0 38px; color: var(--ink-soft); }
.touch-figure { margin: 0 0 24px; padding: 12px; border-radius: var(--radius); background: var(--purple-deeper); box-shadow: var(--shadow); }
.touch-figure img { width: 100%; border-radius: 18px; }
.touch-figure figcaption { padding: 9px 9px 3px; color: rgba(255,255,255,.57); font-size: 11px; }
.control-groups { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.control-group { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.control-group h3 { margin: 0 0 15px; display: flex; align-items: center; gap: 10px; font-size: 22px; }
.control-group h3 span { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--purple-pale); color: var(--purple-deep); font-size: 9px; }
.control-row { display: grid; grid-template-columns: 66px 1fr; gap: 15px; align-items: center; padding: 14px 0; border-top: 1px solid var(--line); }
.gesture { min-height: 37px; border: 1px solid rgba(123,45,134,.3); border-radius: 999px; display: grid; place-items: center; color: var(--purple-mid); font-size: 11px; font-weight: 900; }
.control-row strong { font-size: 14px; }
.control-row p { margin: 2px 0 0; color: var(--ink-soft); font-size: 12px; }
.mode-panel { margin-top: 18px; padding: 28px; border-radius: var(--radius); background: var(--purple-pale); display: grid; grid-template-columns: .34fr .66fr; gap: 28px; align-items: center; }
.mode-copy h3 { margin: 0 0 10px; font-size: 28px; line-height: 1.05; letter-spacing: -.025em; }
.mode-copy p:last-child { margin: 0; color: var(--ink-soft); font-size: 13px; }
.mode-panel figure { margin: 0; }
.mode-panel figure img { width: 100%; border-radius: 18px; }

.care-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.care-grid article { min-height: 248px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.care-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50%; background: var(--purple-pale); }
.care-icon svg { width: 27px; height: 27px; fill: none; stroke: var(--purple-deep); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.care-grid h3 { margin: 38px 0 8px; font-size: 17px; }
.care-grid p { margin: 0; color: var(--ink-soft); font-size: 13px; }
.safety-detail { margin-top: 15px; }
.data-drawer { margin-top: 15px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--purple-deeper); color: var(--white); overflow: hidden; }
.data-drawer > summary { cursor: pointer; list-style: none; padding: 22px 25px; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.data-drawer > summary::-webkit-details-marker { display: none; }
.data-drawer > summary span { display: grid; }
.data-drawer > summary b { font-size: 18px; }
.data-drawer > summary small { color: rgba(255,255,255,.55); }
.data-drawer > summary i { color: #dfb1d3; font-size: 11px; font-style: normal; font-weight: 800; }
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; padding: 0 25px 22px; }
.spec-grid div { display: flex; justify-content: space-between; gap: 24px; padding: 15px 0; border-top: 1px solid rgba(255,255,255,.15); }
.spec-grid div:nth-child(odd) { padding-right: 25px; }
.spec-grid div:nth-child(even) { padding-left: 25px; }
.spec-grid span { color: rgba(255,255,255,.57); font-size: 12px; }
.spec-grid strong { color: #dfb1d3; text-align: right; font-size: 12px; }

.reset-panel { padding: 20px; border: 1px solid rgba(255,255,255,.15); border-radius: var(--radius); background: rgba(255,255,255,.06); display: grid; grid-template-columns: .7fr .3fr; gap: 28px; align-items: center; }
.reset-panel figure { margin: 0; }
.reset-panel figure img { width: 100%; border-radius: 19px; }
.reset-copy h3 { margin: 18px 0 10px; font-size: 27px; }
.reset-copy p { margin: 0; color: rgba(255,255,255,.62); font-size: 13px; }
.dark-pending { border-color: #dda74b; color: #eec87f; }
.faq-list { margin-top: 46px; border-top: 1px solid rgba(255,255,255,.17); }
.faq-list details { border-bottom: 1px solid rgba(255,255,255,.17); }
.faq-list summary { position: relative; cursor: pointer; list-style: none; padding: 23px 52px 23px 0; font-size: 18px; font-weight: 750; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 11px; top: 15px; color: #dfb1d3; font-size: 28px; font-weight: 300; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { max-width: 800px; margin: -6px 0 23px; color: rgba(255,255,255,.6); }
.support-card { margin-top: 46px; padding: 31px; border-radius: var(--radius); background: var(--stone-light); color: var(--ink); display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.support-card h3 { margin: 0 0 7px; font-size: 27px; }
.support-card p:last-child { max-width: 720px; margin: 0; color: var(--ink-soft); font-size: 13px; }
.pending-stamp { flex: 0 0 auto; width: 70px; height: 70px; border: 2px solid var(--purple-mid); border-radius: 50%; display: grid; place-items: center; color: var(--purple-mid); font-size: 13px; font-weight: 900; transform: rotate(-8deg); }

.site-footer {
  width: min(var(--max), calc(100% - 40px));
  min-height: 130px;
  margin: 0 auto;
  padding: 34px 0;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  color: var(--ink-soft);
  font-size: 11px;
}
.footer-logo { width: 140px; }
.site-footer div { text-align: right; }
.site-footer p { margin: 4px 0; }

@media (max-width: 980px) {
  html { scroll-padding-top: 86px; }
  .print-button { display: none; }
  .menu-button { display: block; }
  .manual-nav {
    display: none;
    position: absolute;
    top: 86px;
    left: 0;
    width: 100%;
    max-height: calc(100vh - 86px);
    padding: 12px 20px 24px;
    background: rgba(248,245,239,.98);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    overflow-y: auto;
  }
  .manual-nav.is-open { display: flex; }
  .manual-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .hero { min-height: 0; grid-template-columns: 1fr; padding-top: 70px; }
  .hero-copy { max-width: 700px; }
  .hero-product { min-height: 470px; margin-top: 15px; }
  .hero-product > img { width: min(680px, 95%); transform: none; }
  .sound-rings { right: -38%; top: 34%; }
  .setup-rail { left: 12%; right: 12%; }
  .journey-grid { grid-template-columns: 1fr 1fr; }
  .split-heading { grid-template-columns: 1fr; gap: 20px; align-items: start; }
  .split-heading > p { max-width: 680px; }
  .box-layout { grid-template-columns: 1fr; }
  .case-card { min-height: 480px; }
  .case-card img { width: clamp(330px, 68vw, 560px); }
  .overview-layout { grid-template-columns: 1fr; gap: 36px; }
  .feature-stack { display: grid; grid-template-columns: 1fr 1fr; gap: 0 25px; }
  .procedure-grid,
  .reverse-grid { grid-template-columns: 1fr; gap: 30px; }
  .reverse-grid .procedure-figure { order: -1; }
  .dark-detail { margin-left: 0; }
  .mode-panel { grid-template-columns: 1fr; }
  .care-grid { grid-template-columns: 1fr 1fr; }
  .reset-panel { grid-template-columns: 1fr; }
  .reset-copy { padding: 0 6px 8px; }
}

@media (max-width: 640px) {
  .header-inner,
  .section,
  .document-note,
  .manual-nav,
  .site-footer { width: min(100% - 28px, var(--max)); }
  .section { padding-top: 72px; padding-bottom: 72px; }
  .section.compact { padding-top: 34px; padding-bottom: 58px; }
  .overview-inner,
  .pair-inner,
  .help-inner { width: min(100% - 28px, var(--max)); }
  .brand .zens-logo-lockup { width: 124px; }
  .brand-product,
  .brand-divider { display: none; }
  .manual-edition { min-height: 34px; padding: 0 10px; font-size: 9px; letter-spacing: .02em; }
  .hero { padding-top: 50px; padding-bottom: 58px; }
  .hero h1 { font-size: clamp(44px, 12.5vw, 56px); line-height: 1.04; letter-spacing: -.025em; word-spacing: .05em; }
  .hero-intro { margin: 20px 0 24px; font-size: 17px; }
  .hero-product { min-height: 340px; margin-top: 3px; }
  .hero-product > img { width: 108%; max-width: none; }
  .sound-rings { width: 520px; right: -86%; top: 38%; }
  .setup-rail { left: 0; right: 0; bottom: 0; min-height: 57px; padding: 9px; gap: 8px; font-size: 10px; }
  .setup-rail b { width: 24px; height: 24px; }
  .setup-rail i { display: none; }
  .document-note { align-items: flex-start; }
  .journey-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
  .journey-card { min-height: 122px; padding: 14px; grid-template-columns: 1fr; gap: 9px; }
  .journey-icon { width: 40px; height: 40px; }
  .journey-icon svg { width: 23px; height: 23px; }
  .section-heading { margin-bottom: 34px; }
  .section-heading h2 { font-size: clamp(39px, 12vw, 52px); }
  .section-heading > p:last-child,
  .split-heading > p { font-size: 16px; }
  .case-card { min-height: 430px; }
  .case-card img { width: clamp(260px, 86vw, 370px); }
  .kit-list { grid-template-columns: 1fr; }
  .kit-list article { min-height: 210px; }
  .overview-leaders-desktop { display: none; }
  .overview-leaders-mobile { display: block; }
  .visual-callout { font-size: 9px; padding: 6px 9px 6px 6px; }
  .visual-callout b { width: 21px; height: 21px; }
  .callout-touch { left: 0; top: 50%; }
  .callout-slots { left: 0; right: auto; top: 30%; }
  .callout-led { left: 50%; top: auto; bottom: 0; transform: translateX(-50%); }
  .feature-stack { grid-template-columns: 1fr; }
  .procedure-figure > img { border-radius: 18px; }
  .instruction-list li { padding: 20px 0; }
  .safety-inline { flex-direction: column; gap: 3px; }
  .heading-with-status { align-items: start; flex-direction: column; }
  .section-lead { margin-top: -16px; font-size: 14px; }
  .touch-figure,
  .mode-panel figure,
  .reset-panel figure { overflow-x: auto; }
  .touch-figure img { width: 720px; max-width: none; }
  .touch-figure figcaption { width: 700px; }
  .control-groups { grid-template-columns: 1fr; }
  .control-group { padding: 21px; }
  .mode-panel { padding: 22px; }
  .mode-panel figure img { width: 700px; max-width: none; }
  .care-grid { grid-template-columns: 1fr; }
  .care-grid article { min-height: 215px; }
  .spec-grid { grid-template-columns: 1fr; }
  .spec-grid div:nth-child(odd),
  .spec-grid div:nth-child(even) { padding-left: 0; padding-right: 0; }
  .reset-panel { padding: 13px; }
  .reset-panel figure img { width: 700px; max-width: none; }
  .support-card { align-items: start; flex-direction: column; }
  .site-footer { min-height: 150px; flex-direction: column; justify-content: center; text-align: center; }
  .site-footer div { text-align: center; }
}

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

@media print {
  :root { --paper: #fff; }
  .site-header,
  .document-note,
  .journey-grid,
  .primary-button,
  .menu-button { display: none !important; }
  body { font-size: 10pt; }
  .section,
  .overview-inner,
  .pair-inner,
  .help-inner { width: 100%; padding: 32px 22px; }
  .overview-section,
  .pair-section,
  .help-section,
  .data-drawer { background: #fff !important; color: #000 !important; }
  .hero { min-height: 0; grid-template-columns: 1fr 1fr; page-break-after: always; }
  .hero h1 { font-size: 45pt; }
  .hero-product { min-height: 340px; }
  .setup-rail { position: static; box-shadow: none; }
  .light-heading > p:last-child,
  .light-heading.split-heading > p,
  .feature-stack p,
  .light-list p,
  .dark-figure figcaption,
  .faq-list p,
  .reset-copy p { color: #555 !important; }
  .feature-stack article,
  .light-list li,
  .faq-list,
  .faq-list details,
  .data-drawer { border-color: #bbb; }
  .case-card,
  .kit-list article,
  .control-group,
  .care-grid article,
  .support-card,
  .procedure-figure > img { break-inside: avoid; box-shadow: none; }
}

/* CAD-based charging sequence; scoped to the Charge section. */
#charge .charging-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}
#charge .charging-step-card {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}
#charge .charging-step-figure { min-width: 0; margin: 0; }
#charge .charging-cad-visual {
  position: relative;
  isolation: isolate;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 18px;
  background: #f7f3f4;
}
#charge .charging-cad-visual picture { display: block; width: 100%; height: 100%; }
#charge .charging-cad-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: inherit;
}
#charge .charging-cad-annotation {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
#charge .charging-step-copy { min-width: 0; margin-top: 22px; }
#charge .charging-step-heading { display: flex; align-items: center; gap: 10px; }
#charge .charging-step-heading > span {
  display: grid;
  place-items: center;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--purple-deep);
  color: var(--white);
  font-size: 11px;
  font-weight: 850;
}
#charge .charging-step-heading h3 { margin: 0; color: var(--ink); font-size: 18px; line-height: 1.3; }
#charge .charging-step-copy > p { margin: 14px 0 0; color: var(--ink-soft); font-size: 15px; line-height: 1.65; }
#charge .charging-cad-note { margin: 18px 4px 0; color: var(--ink-soft); font-size: 12px; line-height: 1.6; }
#charge .cad-leader { fill: none; stroke: #98658e; stroke-width: 6; stroke-linecap: round; stroke-linejoin: round; }
#charge .cad-label rect { fill: #fffdfb; stroke: #d4bcd1; stroke-width: 4; }
#charge .cad-label text { fill: var(--purple-deep); font-size: 54px; font-weight: 750; text-anchor: middle; dominant-baseline: central; }
#charge .cad-view-label { fill: #6f5770; font-size: 46px; font-weight: 650; }

@media (max-width: 980px) {
  #charge .charging-steps { grid-template-columns: minmax(0, 1fr); }
  #charge .charging-step-card { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; align-items: center; }
  #charge .charging-step-copy { margin-top: 0; }
  #charge .charging-step-copy > p { font-size: 16px; }
}

@media (max-width: 640px) {
  #charge .charging-step-card { display: block; padding: 16px; }
  #charge .charging-step-copy { margin-top: 20px; }
  #charge .charging-step-heading h3 { font-size: 19px; }
  #charge .charging-cad-note { font-size: 12px; }
}

@media print {
  #charge .charging-steps { grid-template-columns: minmax(0, 1fr); }
  #charge .charging-step-card { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; align-items: center; break-inside: avoid; }
  #charge .charging-step-copy { margin-top: 0; }
}

/* Phone pairing and app connection; scoped to the Pair section. */
#pair .pair-setup { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 36px; align-items: center; }
#pair .pair-setup .instruction-list { min-width: 0; }
#pair .pair-setup .instruction-list strong { font-size: 18px; }
#pair .pair-setup .instruction-list p { font-size: 15px; line-height: 1.65; }
#pair .pair-visual { min-width: 0; margin: 0; }
#pair .pair-scene {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  padding: 24px;
  border: 1px solid #e6d9e3;
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
}
#pair .pair-case-view { min-width: 0; width: 100%; max-width: 285px; margin: 0 auto; }
#pair .pair-scene-label { margin: 0 0 12px; color: var(--purple-mid); text-align: center; font-size: 11px; font-weight: 850; letter-spacing: .1em; }
#pair .pair-case-view picture { display: block; width: 100%; aspect-ratio: 3 / 4; border-radius: 18px; background: #f7f3f4; }
#pair .pair-case-view img { width: 100%; height: 100%; object-fit: cover; object-position: center; border-radius: inherit; }
#pair .pair-phone { position: relative; min-width: 0; width: 100%; max-width: 260px; margin: 0 auto; padding: 34px 14px 18px; border: 9px solid #2b1733; border-radius: 30px; background: #f5eff5; box-shadow: 0 12px 26px rgba(44, 12, 55, .14); }
#pair .pair-phone-speaker { position: absolute; top: 10px; left: 50%; width: 42px; height: 5px; transform: translateX(-50%); border-radius: 9px; background: #9b8e9f; }
#pair .pair-phone-heading { margin: 0 0 20px; color: var(--ink); font-size: 20px; font-weight: 850; line-height: 1.2; }
#pair .pair-bluetooth-row { display: flex; gap: 8px; align-items: center; justify-content: space-between; padding: 11px 10px; border-radius: 12px; background: #fff; font-size: 12px; }
#pair .pair-bluetooth-toggle { position: relative; flex: 0 0 34px; width: 34px; height: 20px; border-radius: 20px; background: var(--purple-mid); }
#pair .pair-bluetooth-toggle::after { content: ""; position: absolute; top: 3px; right: 3px; width: 14px; height: 14px; border-radius: 50%; background: #fff; }
#pair .pair-device-label { margin: 22px 1px 8px; color: #756a78; font-size: 10px; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
#pair .pair-device-row { display: grid; gap: 8px; padding: 15px 11px; border: 1px solid #dfcedb; border-radius: 13px; background: #fff; }
#pair .pair-device-row > strong { color: var(--purple-deep); font-size: 13px; line-height: 1.35; }
#pair .pair-device-status { display: flex; gap: 6px; align-items: center; color: #635267; font-size: 11px; }
#pair .pair-device-status i { width: 6px; height: 6px; border-radius: 50%; background: var(--purple-mid); }
#pair .pair-schematic-tag { display: block; margin: 20px 0 0; color: #635267; text-align: center; font-size: 10px; }
#pair .pair-visual figcaption { margin: 13px 5px 0; color: #d7c3d8; font-size: 12px; line-height: 1.6; }
#pair .pair-name-note { margin: 25px 0 0; padding-left: 15px; border-left: 2px solid var(--purple-pure); color: #d7c3d8; font-size: 12px; line-height: 1.65; }
#pair .pair-reconnect { margin: 24px 0 0; }
#pair .pair-app-panel { margin-top: 48px; padding: 32px; border: 1px solid rgba(231, 190, 225, .24); border-radius: var(--radius); background: #341044; }
#pair .pair-app-layout { min-width: 0; }
#pair .pair-app-copy { min-width: 0; }
#pair .pair-app-copy > .eyebrow { color: #dca9d1; }
#pair .pair-app-copy > h3 { margin: 0; color: var(--white); font-size: clamp(29px, 3vw, 38px); line-height: 1.15; letter-spacing: -.035em; }
#pair .pair-app-intro { margin: 16px 0 24px; color: #dccbdd; font-size: 15px; line-height: 1.65; }
#pair .pair-app-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; margin: 0; padding: 0; list-style: none; }
#pair .pair-app-steps > li { display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: 13px; padding: 18px 0; border-top: 1px solid rgba(237, 207, 232, .16); }
#pair .pair-app-steps > li > span { display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid rgba(221, 174, 212, .45); border-radius: 50%; color: #e3b8dc; font-size: 10px; font-weight: 850; }
#pair .pair-app-steps h4 { margin: 2px 0 7px; color: var(--white); font-size: 17px; line-height: 1.3; }
#pair .pair-app-steps p { margin: 0; color: #dccbdd; font-size: 14px; line-height: 1.65; }
#pair .pair-app-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; margin-top: 24px; }
#pair .pair-app-screen { min-width: 0; margin: 0; }
#pair .pair-screen-heading { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 16px; }
#pair .pair-screen-heading h4 { margin: 0; color: var(--white); font-size: clamp(20px, 2vw, 24px); line-height: 1.3; }
#pair .pair-screen-heading > span { padding: 5px 9px; border: 1px solid #8b6494; border-radius: 20px; color: #e2cbe4; font-size: 10px; letter-spacing: .035em; }
#pair .pair-screen-link { display: block; overflow: hidden; border: 1px solid #b899bd; border-radius: 20px; background: #f6f7f9; color: var(--purple-deep); text-decoration: none; }
/* Preserve the original bitmap: only its empty lower area is clipped in this detail view. */
#pair .pair-screen-window { position: relative; overflow: hidden; aspect-ratio: 1242 / 1640; }
#pair .pair-screen-window img { display: block; width: 100%; height: auto; max-width: none; }
#pair .pair-screen-annotations { position: absolute; inset: 0; width: 100%; height: 100%; fill: none; stroke: #7b2d86; stroke-width: 5px; pointer-events: none; }
#pair .pair-screen-expand { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 15px 20px; border-top: 1px solid #dfd2e2; background: #fffdfa; font-size: 13px; font-weight: 750; }
#pair .pair-screen-expand b { font-size: 20px; line-height: 1; }
#pair .pair-screen-link:hover .pair-screen-expand { background: #eee0eb; }
#pair .pair-screen-link:focus-visible { outline: 3px solid #e6b1da; outline-offset: 5px; }
#pair .pair-app-screen figcaption { margin: 17px 2px 0; color: #dccbdd; font-size: 14px; line-height: 1.65; }
#pair .pair-app-screen figcaption strong { color: #fff; }
#pair .pair-screen-note { margin: 24px 0 0; padding-left: 14px; border-left: 2px solid #b884af; color: #cbb3ce; font-size: 12px; line-height: 1.65; }
#pair .pair-app-resources { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); gap: 28px; align-items: center; margin-top: 26px; padding-top: 26px; border-top: 1px solid rgba(237, 207, 232, .18); }
#pair .pair-store-links { display: flex; flex-wrap: wrap; gap: 12px; }
#pair .pair-store-link { display: flex; flex: 1 1 160px; min-width: 0; align-items: center; justify-content: space-between; gap: 14px; padding: 13px 17px; border: 1px solid #98739f; border-radius: 14px; background: #fffdfa; color: var(--purple-deep); text-decoration: none; }
#pair .pair-store-link > span { display: grid; gap: 1px; }
#pair .pair-store-link small { color: #756279; font-size: 10px; }
#pair .pair-store-link strong { font-size: 17px; line-height: 1.25; }
#pair .pair-store-link > b { font-size: 20px; font-weight: 400; }
#pair .pair-tutorial-link { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 10px 0; color: #f1d6eb; font-size: 14px; font-weight: 750; text-decoration: underline; text-underline-offset: 4px; }
#pair .pair-tutorial-link small { display: block; margin-top: 6px; color: #cbb3ce; font-size: 12px; font-weight: 400; text-decoration: none; }
#pair .pair-tutorial-link > b { flex: 0 0 auto; font-size: 20px; }
#pair .pair-store-link:focus-visible, #pair .pair-tutorial-link:focus-visible { outline: 3px solid #e6b1da; outline-offset: 5px; }
#pair .pair-store-link:hover { background: #eedfe9; }
#pair .pair-tutorial-link:hover { color: #fff; }
#pair .pair-onboarding-note { margin: 23px 0 0; color: #cbb3ce; font-size: 12px; line-height: 1.65; }

@media (max-width: 980px) {
  #pair .pair-setup { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  #pair .pair-visual { order: -1; }
  #pair .pair-app-panel { padding: 26px; }
  #pair .pair-app-steps { grid-template-columns: minmax(0, 1fr); gap: 0; }
  #pair .pair-app-gallery { gap: 24px; }
  #pair .pair-app-resources { grid-template-columns: minmax(0, 1fr); gap: 16px; }
}

@media (max-width: 820px) {
  #pair .pair-app-gallery { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  #pair .pair-app-screen { width: 100%; max-width: 500px; margin: 0 auto; }
}

@media (max-width: 640px) {
  #pair .pair-scene { grid-template-columns: minmax(0, 1fr); gap: 24px; padding: 18px; }
  #pair .pair-case-view { max-width: 230px; }
  #pair .pair-phone { max-width: 250px; }
  #pair .pair-setup .instruction-list strong { font-size: 17px; }
  #pair .pair-setup .instruction-list li { grid-template-columns: 40px minmax(0, 1fr); gap: 13px; }
  #pair .pair-app-panel { margin-top: 36px; padding: 20px; }
  #pair .pair-app-copy > h3 { font-size: 30px; }
  #pair .pair-app-intro { font-size: 15px; }
  #pair .pair-app-steps > li { grid-template-columns: 28px minmax(0, 1fr); gap: 11px; }
  #pair .pair-app-steps > li > span { width: 26px; height: 26px; }
  #pair .pair-app-steps h4 { font-size: 16px; }
  #pair .pair-store-link { flex-basis: 100%; }
}

@media print {
  #pair .pair-setup { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 26px; }
  #pair .pair-app-steps { grid-template-columns: minmax(0, 1fr); gap: 0; }
  #pair .pair-app-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
  #pair .pair-visual { order: 0; }
  #pair .pair-scene { break-inside: avoid; }
  #pair .pair-app-panel { border-color: #c9b8c9; background: #fff; color: #000; }
  #pair .pair-app-copy > h3, #pair .pair-app-steps h4, #pair .pair-screen-heading h4, #pair .pair-app-screen figcaption strong { color: #000; }
  #pair .pair-app-intro, #pair .pair-app-steps p, #pair .pair-onboarding-note, #pair .pair-name-note, #pair .pair-visual figcaption, #pair .pair-app-screen figcaption, #pair .pair-screen-note, #pair .pair-screen-heading > span, #pair .pair-tutorial-link, #pair .pair-tutorial-link small { color: #555; }
  #pair .pair-app-steps > li, #pair .pair-app-resources { border-color: #c9b8c9; }
  #pair .pair-app-steps > li, #pair .pair-app-screen, #pair .pair-app-resources { break-inside: avoid; }
}

/* Real-product touch guide and readable controls; preserve other section layouts. */
#controls .heading-with-status { align-items: flex-start; flex-wrap: wrap; gap: 20px 28px; }
#controls .heading-with-status > div { min-width: 0; }
#controls .section-heading h2 { font-size: clamp(36px, 4.8vw, 60px); line-height: 1.08; }
#controls .pending-pill { flex: 0 1 auto; max-width: 100%; white-space: normal; overflow-wrap: anywhere; line-height: 1.5; }
#controls .section-lead { max-width: 900px; font-size: 17px; line-height: 1.7; }
#controls .touch-figure { margin: 0 0 24px; padding: 28px; overflow: visible; }
#controls .touch-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; align-items: center; }
#controls .touch-product,
#controls .touch-gesture-guide { min-width: 0; }
#controls .touch-product-title { margin: 0 0 14px; color: var(--white); font-size: 17px; font-weight: 800; line-height: 1.5; }
#controls .touch-product-stage { position: relative; width: 100%; aspect-ratio: 960 / 620; border-radius: 20px; background: var(--white); }
#controls .touch-product-image { position: absolute; z-index: 1; left: 0; top: 16.129032%; width: 100%; height: 77.419355%; }
#controls .touch-product-image img { display: block; width: 100%; max-width: 100%; height: 100%; object-fit: contain; border-radius: 0; }
#controls .touch-leaders { position: absolute; z-index: 2; inset: 0; width: 100%; height: 100%; fill: none; stroke: var(--purple-mid); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; pointer-events: none; }
#controls .touch-leaders path,
#controls .touch-leaders line,
#controls .touch-leaders polyline,
#controls .touch-leaders circle { vector-effect: non-scaling-stroke; stroke-width: 1.5px; }
#controls .touch-leaders circle:not(.touch-target-dot) { stroke: #fff; stroke-width: 2px; }
#controls .touch-leaders .touch-target-dot { fill: #fff; stroke: none; }
#controls .touch-ear-label { position: absolute; z-index: 3; top: 3%; display: flex; align-items: center; justify-content: center; gap: 8px; padding: 5px 9px 5px 5px; border: 1px solid #d5bdcf; border-radius: 999px; background: #fbf4f9; color: var(--purple-deep); transform: translateX(-50%); white-space: nowrap; }
#controls .touch-ear-left { left: 29.6875%; }
#controls .touch-ear-right { left: 70.3125%; }
#controls .touch-ear-label b { display: grid; place-items: center; flex: 0 0 28px; height: 28px; border-radius: 50%; background: var(--purple-deep); color: var(--white); font-size: 13px; line-height: 1; }
#controls .touch-ear-label > span { font-size: 12px; font-weight: 800; line-height: 1.2; }
#controls .touch-gesture-guide h3 { margin: 0 0 18px; color: var(--white); font-size: 23px; line-height: 1.3; }
#controls .touch-gesture-list { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
#controls .touch-gesture-list > li { display: grid; grid-template-columns: 54px minmax(0, 1fr); align-items: center; gap: 14px; padding: 12px; border: 1px solid #714879; border-radius: 15px; color: var(--white); font-size: 16px; font-weight: 750; line-height: 1.4; }
#controls .touch-gesture-icon { display: flex; align-items: center; justify-content: center; gap: 4px; min-width: 0; width: 54px; height: 44px; border-radius: 10px; background: #482055; color: #f1c4e7; font-size: 25px; font-weight: 850; line-height: 1; letter-spacing: 1px; }
#controls .touch-gesture-icon i { display: block; flex: 0 0 7px; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
#controls .touch-gesture-icon svg { width: 29px; height: 29px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
#controls .touch-gesture-note { margin: 17px 0 0; color: #e0c8e0; font-size: 14px; line-height: 1.65; }
#controls .touch-figure figcaption { width: auto; max-width: 100%; margin: 21px 0 0; padding: 17px 0 0; border-top: 1px solid #714879; color: #e0c8e0; font-size: 14px; line-height: 1.65; }
#controls .control-groups { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
#controls .control-group { min-width: 0; padding: 28px; }
#controls .control-group h3 { align-items: flex-start; font-size: 25px; line-height: 1.3; }
#controls .control-group h3 > span { flex: 0 0 28px; margin-top: 2px; }
#controls .control-row { grid-template-columns: 104px minmax(0, 1fr); gap: 18px; padding: 18px 0; }
#controls .control-row > div { min-width: 0; }
#controls .gesture { display: grid; align-content: center; justify-items: center; gap: 4px; min-height: 70px; padding: 10px 6px; border-radius: 17px; background: #f8f0f6; text-align: center; }
#controls .gesture b { font-size: 25px; line-height: 1.1; }
#controls .gesture b.gesture-hold { font-size: 20px; white-space: nowrap; }
#controls .gesture small { max-width: 100%; color: #63486c; font-size: 11px; font-weight: 750; line-height: 1.3; }
#controls .control-row strong { display: block; font-size: 18px; line-height: 1.4; }
#controls .control-row p { margin: 5px 0 0; font-size: 16px; line-height: 1.6; }
#controls .assistant-subheading { margin: 24px 0 12px; color: var(--purple-deep); font-size: 19px; line-height: 1.4; }
#controls .assistant-pending { margin: 12px 0 0; padding-left: 13px; border-left: 2px solid var(--purple-pure); color: var(--ink-soft); font-size: 14px; line-height: 1.65; }
#controls .mode-panel { grid-template-columns: minmax(0, .85fr) minmax(0, 1.65fr); gap: 28px; margin-top: 22px; padding: 28px; align-items: center; }
#controls .mode-copy,
#controls .mode-reference { min-width: 0; }
#controls .mode-copy h3 { font-size: clamp(25px, 2.5vw, 32px); line-height: 1.2; }
#controls .mode-copy p:last-child { font-size: 16px; line-height: 1.65; }
#controls .mode-sequence-label { margin: 0 0 13px; color: #604b63; font-size: 13px; font-weight: 800; line-height: 1.5; }
#controls .mode-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 13px; margin: 0; padding: 0; list-style: none; counter-reset: listening-mode; }
#controls .mode-card { position: relative; min-width: 0; padding: 17px 13px; border: 1px solid #c8adc5; border-radius: 18px; background: var(--white); counter-increment: listening-mode; }
#controls .mode-card::before { content: counter(listening-mode, decimal-leading-zero); display: block; margin-bottom: 10px; color: #78647c; font-size: 11px; font-weight: 850; line-height: 1.2; }
#controls .mode-card svg { width: 100%; max-width: 100px; height: auto; margin: 0 auto 14px; fill: none; stroke: var(--purple-mid); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
#controls .mode-card h4 { margin: 0 0 7px; color: var(--purple-deep); font-size: 17px; line-height: 1.35; }
#controls .mode-card p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.55; }
#controls .mode-panel figure { min-width: 0; overflow: visible; }
#controls .mode-panel figure img { width: 100%; max-width: 100%; height: auto; }

@media (max-width: 980px) {
  #controls .control-groups { grid-template-columns: minmax(0, 1fr); }
  #controls .mode-panel { grid-template-columns: minmax(0, 1fr); gap: 24px; }
}

@media (max-width: 820px) {
  #controls .touch-layout { grid-template-columns: minmax(0, 1fr); gap: 27px; }
  #controls .touch-product { width: 100%; max-width: 650px; margin: 0 auto; }
  #controls .touch-gesture-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #controls .touch-gesture-guide h3 { font-size: 22px; }
}

@media (max-width: 640px) {
  #controls .heading-with-status { gap: 18px; }
  #controls .section-heading h2 { font-size: clamp(34px, 10vw, 48px); }
  #controls .section-lead { font-size: 16px; }
  #controls .touch-figure { padding: 18px; border-radius: 22px; overflow: visible; }
  #controls .touch-product-title { font-size: 16px; }
  #controls .touch-product-stage { border-radius: 15px; }
  #controls .touch-ear-label { top: 1%; gap: 5px; padding: 3px 7px 3px 3px; }
  #controls .touch-ear-label b { flex-basis: 22px; height: 22px; font-size: 11px; }
  #controls .touch-ear-label > span { font-size: 11px; }
  #controls .touch-gesture-list { gap: 10px; }
  #controls .touch-gesture-list > li { grid-template-columns: 44px minmax(0, 1fr); gap: 9px; padding: 10px; font-size: 15px; }
  #controls .touch-gesture-icon { width: 44px; height: 42px; font-size: 23px; letter-spacing: 0; }
  #controls .touch-figure figcaption { font-size: 14px; }
  #controls .control-group { padding: 21px 18px; }
  #controls .control-group h3 { font-size: 23px; }
  #controls .control-row { grid-template-columns: 86px minmax(0, 1fr); gap: 13px; }
  #controls .gesture { min-height: 68px; padding: 9px 5px; border-radius: 15px; }
  #controls .gesture b { font-size: 24px; }
  #controls .gesture b.gesture-hold { font-size: 18px; }
  #controls .gesture small { font-size: 10px; }
  #controls .mode-panel { padding: 22px 18px; }
  #controls .mode-cards { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  #controls .mode-card { padding: 18px; }
  #controls .mode-card svg { max-width: 100px; margin-left: 0; }
  #controls .mode-card h4 { font-size: 18px; }
  #controls .mode-card p { font-size: 16px; }
}

@media (max-width: 400px) {
  #controls .touch-gesture-list { grid-template-columns: minmax(0, 1fr); }
  #controls .touch-ear-label { gap: 4px; padding-right: 6px; }
  #controls .touch-ear-label > span { font-size: 10px; }
  #controls .touch-ear-word { display: none; }
}

@media print {
  #controls .touch-figure { padding: 20px; border: 1px solid #bbb; background: #fff; box-shadow: none; overflow: visible; break-inside: avoid; }
  #controls .touch-layout { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 20px; }
  #controls .touch-gesture-list { grid-template-columns: minmax(0, 1fr); }
  #controls .touch-product-title,
  #controls .touch-gesture-guide h3,
  #controls .touch-gesture-list > li,
  #controls .touch-gesture-icon,
  #controls .touch-ear-label,
  #controls .touch-ear-label b,
  #controls .gesture,
  #controls .assistant-subheading,
  #controls .mode-card h4 { color: #222; }
  #controls .touch-product-stage,
  #controls .touch-gesture-icon,
  #controls .touch-ear-label,
  #controls .touch-ear-label b,
  #controls .gesture,
  #controls .mode-panel,
  #controls .mode-card { background: #fff; }
  #controls .touch-gesture-list > li,
  #controls .touch-ear-label,
  #controls .touch-figure figcaption,
  #controls .gesture,
  #controls .control-row,
  #controls .mode-card { border-color: #bbb; }
  #controls .touch-leaders,
  #controls .mode-card svg { stroke: #555; }
  #controls .touch-leaders circle:not(.touch-target-dot) { stroke: #555; }
  #controls .touch-leaders .touch-target-dot { fill: #555; }
  #controls .touch-gesture-note,
  #controls .touch-figure figcaption,
  #controls .gesture small,
  #controls .assistant-pending,
  #controls .mode-sequence-label,
  #controls .mode-card p,
  #controls .mode-card::before { color: #555; }
  #controls .pending-pill { border-color: #888; color: #555; }
  #controls .control-groups,
  #controls .mode-panel { grid-template-columns: minmax(0, 1fr); }
  #controls .control-group { break-inside: auto; }
  #controls .control-row,
  #controls .mode-reference,
  #controls .mode-card { break-inside: avoid; }
  #controls .mode-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* Reset product reference V01: imagery only, no unconfirmed operation diagram. */
#help .reset-product-reference {
  min-width: 0;
  margin: 0;
  padding: clamp(16px, 2.4vw, 30px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--white);
  color: var(--ink);
}
#help .reset-product-label {
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  color: var(--purple-deep);
  font-size: clamp(14px, 1.4vw, 18px);
  font-weight: 800;
  line-height: 1.4;
}
#help .reset-product-reference picture { display: block; }
#help .reset-product-reference img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: contain;
  border-radius: 0;
}
#help .reset-product-reference figcaption {
  margin-top: clamp(18px, 2.4vw, 28px);
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.6;
}
@media print {
  #help .reset-product-reference { break-inside: avoid; background: #fff; border-color: #bbb; }
  #help .reset-product-label { color: #222; }
  #help .reset-product-reference figcaption { color: #555; border-color: #bbb; }
}