@font-face {
  font-family: "Dreamzo Sans";
  src: url("fonts/instrument-sans-latin.woff2") format("woff2");
  font-display: swap;
}

:root {
  color-scheme: light;
  --canvas: #e0e5ec;
  --canvas-deep: #d8dee7;
  --ink: #35414d;
  --muted: #596575;
  --faint: #788391;
  --accent: #6258d8;
  --accent-hover: #584ecb;
  --accent-ink: #f7f6ff;
  --shadow-light: rgba(255, 255, 255, 0.58);
  --shadow-dark: rgb(163 177 198 / 0.64);
  --shadow-dark-deep: rgb(145 160 183 / 0.72);
  --raised:
    9px 9px 16px var(--shadow-dark),
    -9px -9px 16px var(--shadow-light);
  --raised-small:
    5px 5px 10px var(--shadow-dark),
    -5px -5px 10px var(--shadow-light);
  --raised-hover:
    12px 12px 20px rgb(163 177 198 / 0.7),
    -12px -12px 20px rgba(255, 255, 255, 0.64);
  --inset:
    inset 6px 6px 10px var(--shadow-dark),
    inset -6px -6px 10px var(--shadow-light);
  --inset-deep:
    inset 10px 10px 20px var(--shadow-dark-deep),
    inset -10px -10px 20px rgba(255, 255, 255, 0.64);
  --inset-small:
    inset 3px 3px 6px var(--shadow-dark),
    inset -3px -3px 6px var(--shadow-light);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --canvas: #272e37;
    --canvas-deep: #222832;
    --ink: #edf1f5;
    --muted: #c0c8d2;
    --faint: #98a5b4;
    --accent: #9b94ff;
    --accent-hover: #aba5ff;
    --accent-ink: #202431;
    --shadow-light: rgb(255 255 255 / 0.075);
    --shadow-dark: rgb(10 14 20 / 0.62);
    --shadow-dark-deep: rgb(7 10 15 / 0.72);
    --raised:
      9px 9px 18px var(--shadow-dark),
      -8px -8px 16px var(--shadow-light);
    --raised-small:
      5px 5px 11px var(--shadow-dark),
      -5px -5px 10px var(--shadow-light);
    --raised-hover:
      13px 13px 22px rgb(8 12 18 / 0.7),
      -10px -10px 20px rgb(255 255 255 / 0.085);
    --inset:
      inset 6px 6px 12px var(--shadow-dark),
      inset -6px -6px 12px var(--shadow-light);
    --inset-deep:
      inset 10px 10px 22px var(--shadow-dark-deep),
      inset -10px -10px 20px rgb(255 255 255 / 0.08);
    --inset-small:
      inset 3px 3px 7px var(--shadow-dark),
      inset -3px -3px 7px var(--shadow-light);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--canvas);
  font-family: "Dreamzo Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
a { -webkit-tap-highlight-color: transparent; }

button { color: inherit; font: inherit; }
a { color: inherit; text-decoration: none; }
img,
video { display: block; max-width: 100%; }
img { height: auto; }
figure { margin: 0; }

button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}

.skip-link {
  position: fixed;
  top: 14px;
  left: 16px;
  z-index: 200;
  padding: 12px 16px;
  border-radius: 16px;
  color: var(--accent-ink);
  background: var(--accent);
  font-weight: 750;
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 14px;
  z-index: 100;
  display: grid;
  grid-template-columns: auto 1fr auto;
  width: min(1180px, calc(100% - 40px));
  min-height: 72px;
  align-items: center;
  gap: 24px;
  margin: 14px auto 0;
  padding: 10px 12px 10px 16px;
  border-radius: 28px;
  background: color-mix(in srgb, var(--canvas) 90%, transparent);
  box-shadow: var(--raised-small);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  backdrop-filter: blur(18px) saturate(120%);
  transition: width 300ms var(--ease), transform 300ms var(--ease);
}

.site-header.is-scrolled { width: min(1080px, calc(100% - 40px)); }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.035em;
}

.brand__mark {
  display: grid;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  padding: 4px;
  place-items: center;
  border-radius: 16px;
  background: var(--canvas);
  box-shadow: var(--raised-small);
}

.brand__mark img { width: 100%; height: 100%; border-radius: 12px; }

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(20px, 3vw, 36px);
}

.primary-nav a {
  position: relative;
  padding: 12px 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 680;
  white-space: nowrap;
  transition: color 220ms ease;
}

.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: 7px;
  left: 0;
  height: 2px;
  border-radius: 99px;
  background: var(--accent);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 240ms var(--ease);
}

.primary-nav a:hover { color: var(--ink); }
.primary-nav a:hover::after { transform: scaleX(1); transform-origin: left; }

.header-actions { display: flex; align-items: center; gap: 10px; }

.soft-button {
  display: inline-flex;
  min-height: 56px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border: 0;
  border-radius: 16px;
  font-weight: 760;
  white-space: nowrap;
  transition: transform 220ms var(--ease), box-shadow 260ms ease, background 220ms ease;
}

.soft-button--small { min-height: 46px; padding: 0 18px; font-size: 14px; }

.soft-button--accent {
  color: var(--accent-ink);
  background: var(--accent);
  box-shadow:
    7px 8px 15px rgb(79 75 165 / 0.35),
    -6px -6px 12px var(--shadow-light),
    inset 3px 3px 7px rgb(255 255 255 / 0.22),
    inset -3px -3px 7px rgb(25 23 92 / 0.16);
}

.soft-button--neutral { background: var(--canvas); box-shadow: var(--raised-small); }

.soft-button:hover { transform: translateY(-2px); }
.soft-button--neutral:hover { box-shadow: var(--raised-hover); }
.soft-button:active { transform: translateY(1px) scale(0.985); box-shadow: var(--inset-small); }

.soft-press { border: 0; background: var(--canvas); box-shadow: var(--inset-small); }

.menu-toggle {
  position: relative;
  display: none;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  border-radius: 16px;
  cursor: pointer;
}

.menu-toggle span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 2px;
  border-radius: 99px;
  background: var(--ink);
  transition: transform 220ms var(--ease);
}

.menu-toggle span:first-child { transform: translate(-50%, -5px); }
.menu-toggle span:last-child { transform: translate(-50%, 4px); }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translate(-50%, -50%) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translate(-50%, -50%) rotate(-45deg); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(500px, 1.12fr);
  width: min(1280px, calc(100% - 48px));
  min-height: calc(100dvh - 100px);
  align-items: center;
  gap: clamp(42px, 7vw, 96px);
  margin: 0 auto;
  padding: 60px 0 68px;
}

.hero__copy { position: relative; z-index: 2; max-width: 580px; }

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 780;
  letter-spacing: 0.12em;
}

.hero h1,
.section h2 {
  margin: 0;
  letter-spacing: -0.06em;
  line-height: 1.04;
}

.hero h1 { font-size: clamp(50px, 5.8vw, 78px); font-weight: 790; }
.hero h1 span { color: var(--accent); }

.hero__lede {
  max-width: 520px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.72;
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.hero__stage {
  position: relative;
  display: grid;
  min-height: 590px;
  place-items: center;
}

.hero__ring {
  position: absolute;
  border-radius: 50%;
  background: var(--canvas);
}

.hero__ring--outer { width: min(44vw, 570px); aspect-ratio: 1; box-shadow: var(--raised); }
.hero__ring--inner { width: min(34vw, 430px); aspect-ratio: 1; box-shadow: var(--inset-deep); }

.product-frame {
  overflow: hidden;
  border-radius: 24px;
  background: var(--canvas);
  box-shadow: var(--raised);
}

.product-frame__top,
.model-visual__top {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 18px;
  color: var(--muted);
  font-size: 12px;
}

.product-frame__top strong,
.model-visual__top strong { color: var(--ink); font-weight: 740; }

.product-frame img { width: 100%; height: auto; object-fit: contain; }

.product-frame--hero {
  position: relative;
  z-index: 3;
  width: min(600px, 92%);
  transform: rotate(1.8deg);
  transition: transform 500ms var(--ease);
}

.hero__stage:hover .product-frame--hero { transform: rotate(0deg) translateY(-5px); }

.depth-chip {
  position: absolute;
  z-index: 4;
  display: flex;
  min-width: 146px;
  align-items: center;
  gap: 10px;
  padding: 10px 14px 10px 10px;
  border-radius: 18px;
  background: var(--canvas);
  box-shadow: var(--raised-small);
}

.depth-chip b {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 12px;
  color: var(--accent);
  box-shadow: var(--inset-small);
}

.depth-chip span { font-size: 13px; font-weight: 720; }
.depth-chip--one { top: 9%; right: 0; }
.depth-chip--two { bottom: 8%; left: 0; }

.mode-intro {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(1120px, calc(100% - 48px));
  gap: 22px;
  margin: 10px auto 0;
}

.mode-intro__item {
  position: relative;
  display: grid;
  min-height: 126px;
  align-content: center;
  gap: 8px;
  padding: 26px 86px 26px 30px;
  border-radius: 24px;
  background: var(--canvas);
  box-shadow: var(--raised-small);
  transition: transform 220ms var(--ease), box-shadow 260ms ease;
}

.mode-intro__item:hover { transform: translateY(-3px); box-shadow: var(--raised-hover); }
.mode-intro__item span { color: var(--muted); font-size: 14px; }
.mode-intro__item strong { font-size: 24px; letter-spacing: -0.035em; }
.mode-intro__item i {
  position: absolute;
  top: 50%;
  right: 22px;
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  border-radius: 16px;
  color: var(--accent);
  box-shadow: var(--inset-small);
  font-size: 13px;
  font-style: normal;
  font-weight: 760;
  transform: translateY(-50%);
}

.section { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 148px 0 12px; }
.section h2 { font-size: clamp(44px, 5vw, 68px); font-weight: 770; }
.section h3 { margin: 0; letter-spacing: -0.035em; line-height: 1.15; }
.soft-surface { border-radius: 32px; background: var(--canvas); box-shadow: var(--raised); }
.soft-inset { border-radius: 20px; background: var(--canvas); box-shadow: var(--inset); }

.omni { padding-top: 170px; }

.omni__heading {
  display: grid;
  max-width: 900px;
  justify-items: center;
  margin: 0 auto 64px;
  text-align: center;
}

.mode-emblem {
  display: grid;
  width: 94px;
  height: 94px;
  margin-bottom: 28px;
  place-items: center;
  border-radius: 32px;
  box-shadow: var(--inset-deep);
}

.mode-emblem span {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 18px;
  color: var(--accent-ink);
  background: var(--accent);
  box-shadow: var(--raised-small);
  font-size: 23px;
  font-weight: 800;
}

.omni__heading p,
.principles__heading p,
.precision__heading > p,
.models__copy > p,
.result__copy > p {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.omni-console { padding: 20px; }

.omni-console__tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 10px;
  border-radius: 24px;
  box-shadow: var(--inset);
}

.omni-console__tabs button {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  min-height: 92px;
  align-items: center;
  gap: 2px 12px;
  padding: 14px 16px;
  border: 0;
  border-radius: 18px;
  color: var(--muted);
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: color 220ms ease, transform 220ms var(--ease), box-shadow 260ms ease;
}

.omni-console__tabs button span {
  display: grid;
  grid-row: 1 / span 2;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 12px;
  box-shadow: var(--inset-small);
  font-size: 12px;
  font-weight: 760;
}

.omni-console__tabs button strong { align-self: end; color: inherit; font-size: 17px; }
.omni-console__tabs button small { align-self: start; font-size: 12px; }
.omni-console__tabs button.is-active { color: var(--ink); box-shadow: var(--raised-small); }
.omni-console__tabs button.is-active span { color: var(--accent-ink); background: var(--accent); box-shadow: none; }
.omni-console__tabs button:active { transform: scale(0.985); }

.omni-console__panel {
  display: grid;
  grid-template-columns: minmax(270px, 0.72fr) minmax(0, 1.48fr);
  align-items: center;
  gap: 42px;
  padding: 54px 34px 30px;
  transition: opacity 170ms ease, transform 220ms var(--ease);
}

.omni-console__panel.is-changing,
.precision-panel.is-changing { opacity: 0; transform: translateY(8px); }

.omni-console__copy > span,
.precision-panel__copy > span,
.section-label {
  color: var(--accent);
  font-size: 12px;
  font-weight: 780;
  letter-spacing: 0.08em;
}

.omni-console__copy h3,
.precision-panel__copy h3 { margin-top: 18px; font-size: clamp(30px, 3vw, 43px); }
.omni-console__copy > p,
.precision-panel__copy > p { margin: 20px 0 0; color: var(--muted); line-height: 1.75; }

.state-line,
.step-check {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 680;
}

.state-line i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 15%, transparent);
}

.product-frame--console,
.product-frame--precision { box-shadow: var(--inset-deep); }
.product-frame--console img,
.product-frame--precision img {
  width: calc(100% - 20px);
  margin: 0 10px 10px;
  border-radius: 18px;
}

.principles__heading { display: grid; max-width: 740px; margin-bottom: 56px; }

.principle-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  grid-template-rows: auto auto;
  gap: 24px;
}

.principle { position: relative; overflow: hidden; }
.principle--large { grid-row: 1 / span 2; display: grid; align-content: space-between; min-height: 660px; padding: 38px 38px 0; }
.principle--compact { min-height: 310px; padding: 32px 34px; }
.principle--image { min-height: 326px; padding: 32px 0 0; }
.principle--image > h3,
.principle--image > .principle__index { margin-right: 32px; margin-left: 32px; }

.principle__index {
  display: grid;
  width: 42px;
  height: 42px;
  margin-bottom: 30px;
  place-items: center;
  border-radius: 14px;
  color: var(--accent);
  box-shadow: var(--inset-small);
  font-size: 13px;
  font-weight: 780;
}

.principle h3 { max-width: 540px; font-size: clamp(28px, 3vw, 42px); }
.principle--compact h3,
.principle--image h3 { font-size: 27px; }
.principle p { max-width: 520px; margin: 18px 0 0; color: var(--muted); line-height: 1.7; }
.principle--large figure { margin-top: 42px; padding: 10px 10px 0; border-radius: 24px 24px 0 0; box-shadow: var(--inset-deep); }
.principle--large figure img { border-radius: 18px 18px 0 0; }
.principle--image figure { margin: 32px 20px 0; padding: 9px; border-radius: 20px 20px 0 0; box-shadow: var(--inset-deep); }
.principle--image figure img { border-radius: 14px; }

.nested-depth {
  position: absolute;
  right: -52px;
  bottom: -62px;
  display: grid;
  width: 190px;
  height: 190px;
  place-items: center;
  border-radius: 50%;
  box-shadow: var(--inset-deep);
}

.nested-depth span {
  display: grid;
  width: 116px;
  height: 116px;
  place-items: center;
  border-radius: 50%;
  box-shadow: var(--raised);
}

.nested-depth i {
  display: grid;
  width: 62px;
  height: 62px;
  place-items: center;
  border-radius: 22px;
  color: var(--accent);
  box-shadow: var(--inset-small);
  font-size: 13px;
  font-style: normal;
  font-weight: 760;
}

.precision__heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: end;
  gap: 60px;
  margin-bottom: 58px;
}

.precision__heading .section-label { display: block; margin-bottom: 18px; }
.precision__heading > p { margin-bottom: 7px; }
.precision-console { overflow: hidden; padding: 20px; }

.precision-tabs {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
  padding: 10px;
  overflow-x: auto;
  border-radius: 22px;
  box-shadow: var(--inset);
  scrollbar-width: none;
}

.precision-tabs::-webkit-scrollbar { display: none; }

.precision-tabs button {
  display: grid;
  min-width: 98px;
  min-height: 72px;
  place-items: center;
  gap: 4px;
  padding: 10px;
  border: 0;
  border-radius: 16px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  transition: color 220ms ease, transform 220ms var(--ease), box-shadow 260ms ease;
}

.precision-tabs button b { font-size: 11px; font-weight: 740; }
.precision-tabs button span { font-size: 14px; font-weight: 720; }
.precision-tabs button.is-active { color: var(--accent); box-shadow: var(--raised-small); }
.precision-tabs button:active { transform: scale(0.98); }

.precision-panel {
  display: grid;
  grid-template-columns: minmax(270px, 0.68fr) minmax(0, 1.52fr);
  align-items: center;
  gap: 42px;
  padding: 48px 28px 24px;
  transition: opacity 170ms ease, transform 220ms var(--ease);
}

.step-check i {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 10px;
  color: var(--accent);
  box-shadow: var(--inset-small);
  font-style: normal;
}

.models {
  display: grid;
  grid-template-columns: minmax(340px, 0.82fr) minmax(0, 1.18fr);
  align-items: center;
  gap: clamp(46px, 7vw, 90px);
}

.model-selector { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 34px; }

.model-selector button {
  display: grid;
  min-height: 82px;
  place-items: center;
  gap: 6px;
  padding: 12px 8px;
  border: 0;
  border-radius: 18px;
  color: var(--muted);
  background: var(--canvas);
  box-shadow: var(--raised-small);
  cursor: pointer;
  transition: color 220ms ease, transform 220ms var(--ease), box-shadow 260ms ease;
}

.model-selector button span { font-size: 12px; font-weight: 800; }
.model-selector button b { font-size: 13px; }
.model-selector button.is-active { color: var(--accent); box-shadow: var(--inset-small); }
.model-selector button:active { transform: scale(0.98); }

.model-description { min-height: 145px; margin-top: 20px; padding: 26px; }
.model-description strong { display: block; font-size: 18px; }
.model-description p { margin: 10px 0 0; color: var(--muted); line-height: 1.65; }

.model-visual { overflow: hidden; padding: 12px; }
.model-visual__top { padding: 0 12px 8px; }
.model-visual img { width: 100%; height: auto; border-radius: 22px; box-shadow: var(--inset-deep); object-fit: contain; }

.result {
  display: grid;
  grid-template-columns: minmax(240px, 0.58fr) minmax(0, 1.42fr);
  align-items: center;
  gap: clamp(54px, 8vw, 108px);
}

.result__media { position: relative; justify-self: center; width: min(300px, 100%); padding: 12px; }
.result__media video { width: 100%; height: auto; aspect-ratio: 9 / 16; border-radius: 18px; object-fit: cover; box-shadow: var(--inset-deep); }

.result__controls {
  display: flex;
  min-height: 48px;
  align-items: center;
  gap: 14px;
  padding: 8px 8px 0;
  color: var(--muted);
  font-size: 12px;
}

.result__controls i { height: 7px; flex: 1; border-radius: 99px; box-shadow: var(--inset-small); }
.result__controls strong { color: var(--ink); }
.result__copy .section-label { display: block; margin-bottom: 18px; }
.result__copy .soft-button { margin-top: 30px; }

.questions {
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) minmax(0, 1.3fr);
  align-items: start;
  gap: 70px;
}

.questions__heading { position: sticky; top: 120px; }
.questions__heading h2 { font-size: clamp(40px, 4.5vw, 62px); }
.faq-list { padding: 14px 28px; }

.faq-list details + details { box-shadow: inset 0 1px 0 color-mix(in srgb, var(--muted) 18%, transparent); }

.faq-list summary {
  display: flex;
  min-height: 92px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  list-style: none;
  cursor: pointer;
  font-size: 18px;
  font-weight: 720;
}

.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary i {
  position: relative;
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  border-radius: 12px;
  box-shadow: var(--raised-small);
}

.faq-list summary i::before,
.faq-list summary i::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 2px;
  border-radius: 99px;
  background: var(--accent);
  content: "";
  transform: translate(-50%, -50%);
  transition: transform 220ms var(--ease);
}

.faq-list summary i::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-list details[open] summary i { box-shadow: var(--inset-small); }
.faq-list details[open] summary i::after { transform: translate(-50%, -50%) rotate(0deg); }
.faq-list details p { max-width: 660px; margin: -6px 56px 0 0; padding: 0 0 30px; color: var(--muted); line-height: 1.72; }

.download { padding-bottom: 140px; }
.download-shell { position: relative; overflow: hidden; padding: 58px; }

.download-shell::after {
  position: absolute;
  top: -130px;
  right: -110px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  box-shadow: var(--inset-deep);
  content: "";
  pointer-events: none;
}

.download-shell__copy { position: relative; z-index: 2; max-width: 690px; }

.download-logo {
  display: grid;
  width: 88px;
  height: 88px;
  margin-bottom: 30px;
  padding: 8px;
  place-items: center;
  border-radius: 28px;
  box-shadow: var(--raised-small);
}

.download-logo img { width: 100%; height: 100%; border-radius: 21px; }
.download-shell h2 { font-size: clamp(44px, 5.2vw, 70px); }
.download-shell__copy > p { max-width: 580px; margin: 24px 0 0; color: var(--muted); font-size: 17px; line-height: 1.72; }

.download-options { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 46px; }

.download-option {
  display: flex;
  min-height: 178px;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  border-radius: 22px;
  background: var(--canvas);
  box-shadow: var(--raised-small);
  transition: transform 220ms var(--ease), box-shadow 260ms ease;
}

.download-option:hover { transform: translateY(-3px); box-shadow: var(--raised-hover); }
.download-option:active { transform: translateY(1px); box-shadow: var(--inset-small); }
.download-option span,
.download-option small { color: var(--muted); font-size: 12px; }
.download-option strong { font-size: 24px; }
.download-option--primary { color: var(--accent-ink); background: var(--accent); box-shadow: 8px 9px 18px rgb(79 75 165 / 0.35), -7px -7px 16px var(--shadow-light); }
.download-option--primary span,
.download-option--primary small { color: color-mix(in srgb, var(--accent-ink) 80%, transparent); }

.release-link { position: relative; z-index: 2; display: inline-flex; margin-top: 26px; color: var(--muted); font-size: 13px; font-weight: 680; }

.site-footer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  width: min(1180px, calc(100% - 48px));
  min-height: 120px;
  align-items: center;
  gap: 30px;
  margin: 0 auto;
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--muted) 18%, transparent);
}

.site-footer .brand__mark { width: 40px; height: 40px; flex-basis: 40px; border-radius: 14px; }
.site-footer p { margin: 0; color: var(--muted); text-align: center; }
.site-footer > div { display: flex; gap: 20px; color: var(--muted); font-size: 13px; }
.site-footer > div a:hover { color: var(--ink); }

[data-reveal],
.reveal-sequence { opacity: 0; transform: translateY(24px); }

body.is-ready .reveal-sequence,
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 720ms var(--ease), transform 780ms var(--ease);
}

body.is-ready .hero .reveal-sequence:nth-child(2) { transition-delay: 80ms; }
body.is-ready .hero .reveal-sequence:nth-child(3) { transition-delay: 150ms; }
body.is-ready .hero .reveal-sequence:nth-child(4) { transition-delay: 220ms; }
body.is-ready .hero__stage.reveal-sequence { transition-delay: 160ms; }

@media (max-width: 1080px) {
  .primary-nav { gap: 18px; }
  .hero { grid-template-columns: minmax(0, 0.88fr) minmax(430px, 1.12fr); gap: 42px; }
  .hero__stage { min-height: 520px; }
  .omni-console__panel,
  .precision-panel { grid-template-columns: 1fr; }
  .omni-console__copy,
  .precision-panel__copy { max-width: 620px; }
  .precision__heading { grid-template-columns: 1fr; gap: 0; }
  .precision__heading > p { max-width: 620px; }
  .models { grid-template-columns: 1fr; }
  .models__copy { max-width: 720px; }
  .model-visual { max-width: 860px; }
}

@media (max-width: 860px) {
  .site-header { grid-template-columns: auto auto; justify-content: space-between; }
  .primary-nav {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    left: 0;
    display: grid;
    gap: 4px;
    padding: 16px;
    border-radius: 24px;
    background: var(--canvas);
    box-shadow: var(--raised);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px) scale(0.98);
    transform-origin: top;
    transition: opacity 220ms ease, transform 260ms var(--ease);
  }
  .primary-nav.is-open { opacity: 1; pointer-events: auto; transform: translateY(0) scale(1); }
  .primary-nav a { padding: 14px 16px; border-radius: 14px; }
  .primary-nav a:active { box-shadow: var(--inset-small); }
  .primary-nav a::after { display: none; }
  .menu-toggle { display: block; }
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 34px;
    padding-top: 82px;
  }
  .hero__copy { max-width: 680px; }
  .hero__stage { width: min(680px, 100%); min-height: 560px; justify-self: center; }
  .hero__ring--outer { width: 520px; }
  .hero__ring--inner { width: 400px; }
  .mode-intro { grid-template-columns: 1fr; max-width: 680px; }
  .omni-console__tabs { grid-template-columns: 1fr; }
  .omni-console__tabs button { min-height: 76px; }
  .principle-grid { grid-template-columns: 1fr; grid-template-rows: auto; }
  .principle--large { grid-row: auto; min-height: 0; }
  .principle--compact { min-height: 300px; }
  .principle--image { min-height: 0; }
  .result { grid-template-columns: 1fr; }
  .result__media { justify-self: start; }
  .result__copy { max-width: 700px; }
  .questions { grid-template-columns: 1fr; gap: 42px; }
  .questions__heading { position: static; }
  .download-options { grid-template-columns: 1fr; }
  .download-option { min-height: 130px; }
  .site-footer { grid-template-columns: 1fr; justify-items: start; padding: 32px 0; }
  .site-footer p { text-align: left; }
}

@media (max-width: 640px) {
  .site-header { top: 10px; width: calc(100% - 24px); min-height: 64px; margin-top: 10px; padding: 8px 9px 8px 12px; border-radius: 22px; }
  .site-header.is-scrolled { width: calc(100% - 24px); }
  .brand { gap: 8px; font-size: 17px; }
  .brand__mark { width: 42px; height: 42px; flex-basis: 42px; border-radius: 14px; }
  .header-actions .soft-button { display: none; }
  .hero,
  .section,
  .mode-intro,
  .site-footer { width: calc(100% - 32px); }
  .hero { padding: 74px 0 46px; }
  .hero h1 { font-size: clamp(44px, 13vw, 62px); line-height: 1.06; }
  .hero__lede { margin-top: 22px; font-size: 16px; }
  .hero__actions { display: grid; grid-template-columns: 1fr; margin-top: 28px; }
  .soft-button { width: 100%; min-height: 54px; }
  .hero__stage { min-height: 390px; }
  .hero__ring--outer { width: min(96vw, 370px); }
  .hero__ring--inner { width: min(76vw, 290px); }
  .product-frame--hero { width: 96%; transform: rotate(1deg); }
  .product-frame__top { min-height: 40px; padding: 0 13px; font-size: 10px; }
  .depth-chip { min-width: 0; padding-right: 10px; }
  .depth-chip span { display: none; }
  .depth-chip--one { top: 5%; right: -4px; }
  .depth-chip--two { bottom: 5%; left: -4px; }
  .mode-intro { gap: 14px; }
  .mode-intro__item { min-height: 112px; padding: 22px 74px 22px 22px; }
  .mode-intro__item strong { font-size: 21px; }
  .section { padding-top: 104px; }
  .section h2 { font-size: clamp(38px, 11.8vw, 54px); line-height: 1.08; }
  .soft-surface { border-radius: 26px; }
  .omni { padding-top: 118px; }
  .omni__heading { margin-bottom: 42px; }
  .mode-emblem { width: 80px; height: 80px; margin-bottom: 24px; border-radius: 26px; }
  .omni__heading p,
  .principles__heading p,
  .precision__heading > p,
  .models__copy > p,
  .result__copy > p { font-size: 16px; }
  .omni-console { padding: 12px; }
  .omni-console__tabs { padding: 8px; }
  .omni-console__panel { gap: 30px; padding: 38px 10px 8px; }
  .omni-console__copy h3,
  .precision-panel__copy h3 { font-size: 30px; }
  .product-frame--console img,
  .product-frame--precision img {
    width: calc(100% - 12px);
    margin: 0 6px 6px;
  }
  .principles__heading { margin-bottom: 38px; }
  .principle-grid { gap: 16px; }
  .principle--large { padding: 28px 22px 0; }
  .principle--compact { min-height: 290px; padding: 26px 24px; }
  .principle--image { padding-top: 26px; }
  .principle--image > h3,
  .principle--image > .principle__index { margin-right: 24px; margin-left: 24px; }
  .principle h3,
  .principle--compact h3,
  .principle--image h3 { font-size: 28px; }
  .principle__index { margin-bottom: 22px; }
  .precision__heading { gap: 0; margin-bottom: 38px; }
  .precision-console { padding: 12px; }
  .precision-tabs { grid-template-columns: repeat(6, 94px); justify-content: start; padding: 8px; }
  .precision-panel { gap: 30px; padding: 36px 10px 8px; }
  .models { gap: 40px; }
  .model-selector { grid-template-columns: repeat(2, 1fr); }
  .model-visual { padding: 8px; }
  .result { gap: 42px; }
  .result__media { width: min(250px, 78vw); }
  .questions { gap: 34px; }
  .faq-list { padding: 6px 20px; }
  .faq-list summary { min-height: 84px; font-size: 16px; }
  .faq-list details p { margin-right: 0; }
  .download { padding-bottom: 96px; }
  .download-shell { padding: 34px 22px 28px; }
  .download-shell::after { width: 210px; height: 210px; }
  .download-shell h2 { font-size: clamp(40px, 11vw, 52px); }
  .download-options { margin-top: 36px; }
  .download-option { min-height: 124px; padding: 20px; }
  .site-footer { gap: 20px; }
  .site-footer > div { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
  [data-reveal],
  .reveal-sequence { opacity: 1; transform: none; }
  .product-frame--hero { transform: none; }
}

@supports not (backdrop-filter: blur(1px)) {
  .site-header { background: var(--canvas); }
}