:root {
  --bg: #ffffff;
  --bg-panel: #f4f6f9;
  --bg-panel2: #2a2c31;
  --border: #dde2ea;
  --accent: #102c6b;
  --accent-dark: #0a1d49;
  --accent-deep: #061536;
  --cobalt: #2350b8;
  --text: #22262e;
  --text-muted: #5b6472;
  --success: #1f5c45;
  --warn: #f3c623;
  --error: #c23b2e;
  --on-dark: #ffffff;
  --on-dark-soft: rgba(255, 255, 255, 0.74);
  --on-dark-faint: rgba(255, 255, 255, 0.62);
  --on-dark-wash: rgba(255, 255, 255, 0.08);
  --line-on-dark: rgba(255, 255, 255, 0.22);
  --line-on-dark-strong: rgba(255, 255, 255, 0.62);
  --veil: rgba(6, 21, 54, 0.42);
  --clear: transparent;
  --shadow-tag: 0 12px 26px -10px rgba(6, 21, 54, 0.55);
  --shadow-menu: 0 18px 40px -18px rgba(16, 44, 107, 0.28);
  --font-display: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --fs-xs: 12px;
  --fs-sm: 14px;
  --fs-nav: 15px;
  --fs-body: 16px;
  --fs-lede: 18px;
  --fs-h1: clamp(34px, 2.2vw + 16px, 48px);
  --fs-h2: clamp(26px, 2.3vw, 36px);
  --fs-h3: 24px;
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --r-panel: 28px;
  --r-card: 24px;
  --r-menu: 18px;
  --r-tag: 12px;
  --r-shot: 10px;
  --r-logo: 9px;
  --r-small: 6px;
  --r-tiny: 2px;
  --r-phone: 34px;
  --r-screen: 27px;
  --r-pill: 999px;
  --r-circle: 50%;
  --r-halo: 250px 250px 0 0;
  --r-arch: 210px 210px 0 0;
  --gutter: 32px;
  --stage-gutter: 32px;
  --header-h: 76px;
  --reading-width: 1184px;
  --section-gap: 140px;
  --ease: cubic-bezier(.2, .65, .3, 1);
  --time-fast: .2s;
  --time-reveal: .6s;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
html, body { margin: 0; padding: 0; }
html.nav-open { overflow: hidden; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button, summary { -webkit-tap-highlight-color: var(--clear); }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; }
img { max-width: 100%; }
svg { flex-shrink: 0; }
:where(h1, h2, h3, h4, p, ul, ol, figure, blockquote, pre) { margin-top: 0; }
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  line-height: 1.25;
  letter-spacing: -0.015em;
  text-wrap: balance;
  overflow-wrap: break-word;
}
h1 { font-size: var(--fs-h1); line-height: 1.16; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
p { margin-bottom: 1.2em; }
code, kbd, samp, pre { font-family: var(--font-mono); }
code { overflow-wrap: anywhere; }
pre {
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  padding: 24px;
  border-radius: var(--r-tag);
  background: var(--bg-panel2);
  color: var(--on-dark);
  font-size: var(--fs-sm);
  line-height: 1.9;
  tab-size: 2;
}
pre code { white-space: pre; overflow-wrap: normal; word-break: normal; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
:where(.panel-dark, .stage) :focus-visible { outline-color: var(--on-dark); }
::selection { background: var(--accent); color: var(--on-dark); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.skip {
  position: absolute;
  left: 16px;
  top: 12px;
  opacity: 0;
  pointer-events: none;
  z-index: 100;
  padding: 10px 16px;
  border-radius: var(--r-pill);
  background: var(--accent);
  color: var(--on-dark);
  font-size: var(--fs-sm);
}
.skip:focus { opacity: 1; pointer-events: auto; }
.wrap {
  width: 100%;
  max-width: calc(var(--reading-width) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
  min-width: 0;
}
.section { margin-top: var(--section-gap); }
.section-pad { padding-top: 64px; padding-bottom: 64px; }
.section-heading { max-width: 720px; margin-bottom: 40px; }
.section-heading p { color: var(--text-muted); }
.grid-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
:where(.grid-two, .facts-grid, .footer-grid, .feature-detail, .swatch-grid) > * { min-width: 0; }
.stack > * + * { margin-top: 24px; }
.flow > * + * { margin-top: 1.2em; }
.nowrap { white-space: nowrap; }
.muted { color: var(--text-muted); }
.lede { font-size: var(--fs-lede); line-height: 1.8; }
.eyebrow { font-size: var(--fs-sm); color: var(--text-muted); font-weight: var(--weight-semibold); }
.text-link { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.prose { min-width: 0; overflow-wrap: break-word; }
.prose h2 { margin-top: 2.5em; }
.prose h3 { margin-top: 1.8em; }
.prose li + li { margin-top: 8px; }
.prose :where(a:not(.btn):not(.app-store-button)) { text-decoration: underline; text-underline-offset: 3px; }
.prose :where(p, li) code {
  background: var(--bg-panel);
  color: var(--accent-dark);
  padding: 2px 5px;
  border-radius: var(--r-tiny);
}
.card, .panel {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: 32px;
  min-width: 0;
}
.panel { border-radius: var(--r-panel); padding: 56px; }
.panel-soft { background: var(--bg-panel); color: var(--text); border-color: var(--bg-panel); }
.panel-dark { background: var(--bg-panel2); color: var(--on-dark); border-color: var(--bg-panel2); }
.panel-dark p { color: var(--on-dark-soft); }
.panel-dark .text-link { color: var(--on-dark); }
.decorative-region { position: relative; overflow-x: clip; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 12px 26px;
  border: 1px solid var(--clear);
  border-radius: var(--r-pill);
  background: var(--accent);
  color: var(--on-dark);
  font-size: var(--fs-body);
  font-weight: var(--weight-semibold);
  line-height: 1.4;
  text-align: center;
  transition: background-color var(--time-fast), border-color var(--time-fast), transform var(--time-fast);
}
.btn svg { width: 19px; height: 19px; }
.btn:hover { background: var(--accent-dark); color: var(--on-dark); }
.btn-outline { background: var(--bg); color: var(--text); border-color: var(--border); }
.btn-outline:hover { background: var(--bg-panel); color: var(--accent); border-color: var(--accent); }
.btn-store { background: var(--on-dark); color: var(--accent-dark); }
.btn-store:hover { background: var(--bg-panel); color: var(--accent-dark); }
.btn-ghost { background: var(--clear); color: var(--on-dark); border: 1.5px solid var(--line-on-dark-strong); padding-inline: 24px 22px; }
.btn-ghost:hover { background: var(--on-dark-wash); color: var(--on-dark); border-color: var(--on-dark); }
.btn-ghost svg { width: 16px; height: 16px; transition: transform var(--time-fast); }
.btn-ghost:hover svg { transform: translateX(3px); }
.btn:disabled, .btn[aria-disabled="true"] { background: var(--bg-panel); color: var(--text-muted); border-color: var(--border); }
.button-hover { background: var(--accent-dark); color: var(--on-dark); }
.button-focus { outline: 2px solid var(--accent); outline-offset: 4px; }

#site-header { position: relative; z-index: 40; }
.masthead {
  height: var(--header-h);
  width: 100%;
  max-width: min(100%, calc(1280px + var(--gutter) * 2));
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: var(--bg);
  color: var(--text);
  position: relative;
  z-index: 42;
}
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-logo, .brand-mark {
  display: block;
  width: 36px;
  height: 36px;
  border-radius: var(--r-logo);
  flex-shrink: 0;
}
.brand-mark { background: var(--bg); color: var(--text); border: 1px solid var(--border); }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-family: var(--font-display); font-weight: var(--weight-bold); font-size: 18px; letter-spacing: -0.01em; }
.brand-sub { font-size: var(--fs-xs); color: var(--text-muted); letter-spacing: .01em; }
.desktop-nav { display: flex; align-items: center; min-width: 0; margin-left: auto; gap: 2px; }
.nav-flat { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav-link, .nav-more-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  font-size: var(--fs-nav);
  font-weight: var(--weight-medium);
  color: var(--text);
  background: var(--clear);
  border: 0;
  cursor: pointer;
  white-space: nowrap;
}
.nav-link:hover, .nav-more-btn:hover { background: var(--bg-panel); color: var(--text); }
.nav-link[aria-current="page"] { color: var(--accent); font-weight: var(--weight-semibold); }
.nav-link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 5px;
  height: 2px;
  border-radius: var(--r-tiny);
  background: var(--accent);
}
.nav-more { position: relative; }
.nav-more > summary { list-style: none; }
.nav-more > summary::-webkit-details-marker { display: none; }
.nav-more-btn svg { width: 12px; height: 12px; transition: transform var(--time-fast); }
.nav-more[open] .nav-more-btn svg { transform: rotate(180deg); }
.nav-menu { position: absolute; top: 100%; right: 0; padding-top: 10px; }
.nav-menu-inner {
  display: grid;
  grid-template-columns: repeat(2, 200px);
  gap: 8px 20px;
  padding: 18px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--r-menu);
  box-shadow: var(--shadow-menu);
}
.menu-heading { margin: 0 0 6px; padding-inline: 10px; font-size: var(--fs-xs); color: var(--text-muted); font-weight: var(--weight-semibold); letter-spacing: .04em; }
.menu-list { list-style: none; margin: 0; padding: 0; }
.menu-link { display: block; min-height: 44px; padding: 8px 10px; border-radius: var(--r-shot); }
.menu-link:hover, .menu-link[aria-current="page"] { background: var(--bg-panel); color: var(--accent); }
.menu-link strong { display: block; font-size: var(--fs-nav); font-weight: var(--weight-semibold); }
.menu-link span { display: block; font-size: 12.5px; color: var(--text-muted); line-height: 1.45; }
.header-tools { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.masthead-rule { width: 1px; height: 22px; background: var(--border); margin-right: 8px; }
.language-picker { position: relative; }
.lang {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--bg);
  color: var(--text);
  font-size: var(--fs-sm);
  font-weight: var(--weight-medium);
  white-space: nowrap;
  cursor: pointer;
  list-style: none;
}
.lang::-webkit-details-marker { display: none; }
.lang svg { width: 16px; height: 16px; color: var(--text-muted); }
.lang-short { display: none; }
.language-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 180px;
  margin: 0;
  padding: 8px;
  list-style: none;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--r-menu);
  box-shadow: var(--shadow-menu);
}
.language-menu a { display: block; padding: 10px 12px; min-height: 44px; border-radius: var(--r-small); }
.language-menu a:hover, .language-menu a[aria-current="true"] { background: var(--bg-panel); color: var(--accent); }
.menu-toggle { display: none; min-width: 44px; min-height: 44px; padding: 10px; border: 1px solid var(--border); border-radius: var(--r-pill); background: var(--bg); color: var(--text); }
.menu-toggle svg { display: block; width: 22px; height: 22px; }
.mobile-drawer { display: none; }
.nav-veil { position: fixed; inset: var(--header-h) 0 0; z-index: 40; border: 0; background: var(--veil); color: var(--on-dark); }

.stage {
  position: relative;
  margin: 4px var(--stage-gutter) 0;
  height: clamp(620px, calc(100vh - 188px), 740px);
  border-radius: var(--r-panel);
  background: var(--accent);
  color: var(--on-dark);
  overflow: hidden;
  isolation: isolate;
}
.stage-copy {
  position: relative;
  z-index: 5;
  height: 100%;
  max-width: 676px;
  padding-left: 96px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.stage-kicker {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  min-height: 36px;
  padding: 5px 16px 5px 7px;
  border: 1px solid var(--line-on-dark);
  border-radius: var(--r-pill);
  font-size: var(--fs-sm);
  font-weight: var(--weight-medium);
  color: var(--on-dark-soft);
}
.kicker-dot { position: relative; width: 22px; height: 22px; border-radius: var(--r-circle); border: 1px solid var(--warn); flex-shrink: 0; }
.kicker-dot::after { content: ""; position: absolute; inset: 7px; border-radius: var(--r-circle); background: var(--warn); }
.stage-title { margin: 28px 0 0; font-size: clamp(28px, 2.2vw + 16px, 48px); line-height: 1.16; letter-spacing: -0.02em; color: var(--on-dark); }
.stage-title-sub { display: block; color: var(--on-dark-soft); }
.stage-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.stage-lede { margin: 28px 0 0; max-width: 520px; font-size: 17px; line-height: 1.75; color: var(--on-dark-soft); }
.stage-lede strong { color: var(--on-dark); font-weight: var(--weight-semibold); }
.stage-chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 22px 0 0; padding: 0; }
.stage-chips li { display: inline-flex; align-items: center; min-height: 30px; padding: 3px 13px; border: 1px solid var(--line-on-dark); border-radius: var(--r-pill); font-size: 13px; color: var(--on-dark-soft); max-width: 100%; }
.stage-devices { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 22px; margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line-on-dark); max-width: 560px; }
.devices-label { font-size: 13px; color: var(--on-dark-faint); margin-right: 2px; }
.device-link { display: inline-flex; align-items: center; gap: 7px; min-height: 28px; font-size: var(--fs-sm); font-weight: var(--weight-medium); color: var(--on-dark); }
.device-link svg { width: 20px; height: 20px; }
.device-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.store-pill { display: inline-flex; align-items: center; min-height: 28px; padding: 3px 12px; border: 1px solid var(--warn); border-radius: var(--r-pill); font-size: 13px; font-weight: var(--weight-semibold); color: var(--on-dark); margin-left: auto; }
.stage-visual { position: absolute; right: 100px; bottom: 0; width: 600px; height: 640px; z-index: 2; pointer-events: none; }
.rig { position: absolute; left: 0; bottom: 0; width: 600px; height: 640px; }
.rig-halo { position: absolute; left: 130px; top: 36px; width: 500px; height: 640px; border: 1px solid var(--line-on-dark); border-bottom: 0; border-radius: var(--r-halo); z-index: 0; }
.rig-arch { position: absolute; left: 170px; top: 80px; width: 420px; height: 580px; border-radius: var(--r-arch); background: var(--cobalt); color: var(--on-dark); z-index: 1; }
.rig-thread { position: absolute; inset: 0; width: 600px; height: 640px; z-index: 2; overflow: visible; }
.rig-thread path { fill: none; stroke: var(--warn); stroke-width: 1.5; stroke-dasharray: 4 6; stroke-linecap: round; }
.phone { position: absolute; left: 286px; top: 186px; width: 188px; height: 388px; border: 2px solid var(--on-dark); border-radius: var(--r-phone); background: var(--accent); color: var(--on-dark); z-index: 3; }
.phone::before, .phone::after { content: ""; position: absolute; width: 3px; border-radius: var(--r-tiny); background: var(--on-dark-soft); }
.phone::before { left: -5px; top: 92px; height: 46px; }
.phone::after { right: -5px; top: 118px; height: 66px; }
.phone-screen { position: absolute; inset: 7px; border-radius: var(--r-screen); background: var(--accent-dark); color: var(--on-dark); overflow: hidden; }
.phone-island { position: absolute; top: 11px; left: 50%; width: 58px; height: 17px; margin-left: -29px; border-radius: var(--r-pill); background: var(--accent-deep); z-index: 2; }
.screen-arcs { position: absolute; inset: 0; width: 100%; height: 100%; animation: arc-breathe 10s ease-in-out infinite; }
.screen-arcs path { fill: none; stroke: url(#arcGrad); stroke-width: 1.5; }
.arc-stop-top { stop-color: var(--cobalt); }
.arc-stop-bottom { stop-color: var(--accent); }
.screen-caption { position: absolute; left: 0; right: 0; bottom: 34px; margin: 0; text-align: center; font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .01em; color: var(--on-dark); white-space: nowrap; }
.phone-bar { position: absolute; left: 50%; bottom: 9px; width: 58px; height: 3px; margin-left: -29px; border-radius: var(--r-tiny); background: var(--on-dark-faint); }
.hang { position: absolute; width: 0; height: 0; z-index: 4; transform-origin: 0 0; animation: tag-sway var(--dur) ease-in-out infinite; animation-delay: var(--delay); }
.hang::before { content: ""; position: absolute; left: -3px; top: -3px; width: 6px; height: 6px; border-radius: var(--r-circle); background: var(--on-dark); }
.hang-wire { position: absolute; left: -.5px; top: 0; width: 1px; height: var(--wire); background: var(--line-on-dark-strong); }
.hang-a { left: 200px; top: 182px; --wire: 64px; --swing: 1.1deg; --dur: 7s; --delay: 0s; }
.hang-b { left: 542px; top: 156px; --wire: 150px; --swing: .7deg; --dur: 6s; --delay: -2.2s; }
.hang-c { left: 260px; top: 118px; --wire: 340px; --swing: .5deg; --dur: 8s; --delay: -4.6s; }
.tag { position: absolute; top: var(--wire); background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: var(--r-tag); box-shadow: var(--shadow-tag); white-space: nowrap; }
.tag::before { content: ""; position: absolute; top: 7px; width: 7px; height: 7px; border-radius: var(--r-circle); border: 1px solid var(--border); background: var(--bg-panel); }
.tag-link { right: -20px; padding: 11px 34px 12px 14px; }
.tag-link::before { right: 16.5px; }
.tag-label { display: block; font-size: 11px; font-weight: var(--weight-medium); color: var(--text-muted); line-height: 1.4; }
.tag-url { display: block; margin-top: 3px; font-family: var(--font-mono); font-size: 11px; line-height: 1.4; color: var(--accent); }
.tag-qr { left: -52px; width: 104px; padding: 20px 12px 12px; }
.tag-qr::before { left: 48.5px; }
.tag-qr svg { display: block; width: 80px; height: 80px; color: var(--accent-dark); }
.qr-ink { fill: currentColor; }
.tag-clip { right: -20px; display: flex; align-items: center; gap: 10px; padding: 12px 34px 12px 12px; font-size: var(--fs-sm); font-weight: var(--weight-semibold); }
.tag-clip::before { right: 16.5px; }
.tag-clip svg { width: 22px; height: 22px; color: var(--accent); }
@keyframes tag-sway { 0%, 100% { transform: rotate(calc(var(--swing) * -1)); } 50% { transform: rotate(var(--swing)); } }
@keyframes arc-breathe { 0%, 100% { opacity: .5; } 50% { opacity: 1; } }
.facts { margin: 64px var(--stage-gutter) 0; padding-inline: 96px; padding-bottom: 52px; }
.facts-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); list-style: none; margin: 0; padding: 0 0 52px; border-bottom: 1px solid var(--border); }
.facts-grid li { padding: 4px 32px; border-left: 1px solid var(--border); font-size: 18px; line-height: 1.6; color: var(--text-muted); }
.facts-grid li:first-child { border-left: 0; padding-left: 0; }
.facts-grid strong { display: block; font-family: var(--font-display); font-weight: var(--weight-bold); font-size: 20px; color: var(--text); letter-spacing: -.01em; margin-bottom: 4px; }

.site-footer { margin-top: var(--section-gap); padding-top: 64px; padding-bottom: 32px; border-top: 1px solid var(--border); background: var(--bg); color: var(--text); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 48px; }
.footer-brand p { max-width: 360px; margin-top: 20px; color: var(--text-muted); font-size: var(--fs-sm); }
.footer-title { font-size: var(--fs-sm); margin-bottom: 16px; }
.footer-links { display: grid; gap: 4px; padding: 0; margin: 0; list-style: none; }
.footer-links a { display: block; min-height: 36px; padding-top: 5px; padding-bottom: 5px; font-size: var(--fs-sm); color: var(--text-muted); }
.footer-links a:hover, .footer-languages a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.footer-languages { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); }
.footer-languages a { display: inline-flex; align-items: center; min-height: 44px; font-size: var(--fs-sm); }
.footer-languages [aria-current="true"] { color: var(--accent); font-weight: var(--weight-semibold); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px 24px; margin-top: 24px; font-size: var(--fs-xs); color: var(--text-muted); }
.footer-bottom p { margin: 0; }
.footer-legal { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-legal a { min-height: 32px; display: inline-flex; align-items: center; }
.reveal { opacity: 1; transform: none; }
html.reveal-ready .reveal:not(.shown) { opacity: 0; transform: translateY(18px); }
html.reveal-ready .reveal { transition: opacity var(--time-reveal) var(--ease), transform var(--time-reveal) var(--ease); }
@media (max-width: 1320px) {
  .stage-copy { padding-left: 72px; max-width: 620px; }
  .stage-visual { right: 40px; transform: scale(.86); transform-origin: right bottom; }
}
@media (max-width: 1120px) {
  .masthead { gap: 16px; }
  .nav-link, .nav-more-btn { padding-inline: 10px; }
  .stage-copy { padding-left: 56px; max-width: 560px; }
  .stage-visual { right: 0; transform: scale(.72); }
  .facts { padding-inline: 40px; }
  .facts-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 28px; }
  .facts-grid li:nth-child(3) { border-left: 0; padding-left: 0; }
}
@media (max-width: 1000px) {
  .desktop-nav { display: none; }
  .header-tools { margin-left: auto; }
  .masthead-rule { display: none; }
  .menu-toggle { display: inline-flex; justify-content: center; align-items: center; }
  .mobile-drawer:not([hidden]) {
    display: block;
    position: absolute;
    inset: var(--header-h) 0 auto;
    z-index: 43;
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 16px var(--gutter) 28px;
    background: var(--bg);
    color: var(--text);
    border-bottom: 1px solid var(--border);
  }
  .drawer-list, .drawer-languages { list-style: none; margin: 0; padding: 0; }
  .mobile-drawer a { display: flex; align-items: center; width: 100%; min-height: 48px; padding: 12px 16px; border-radius: var(--r-small); }
  .mobile-drawer a:hover, .mobile-drawer a[aria-current] { background: var(--bg-panel); color: var(--accent); }
  .drawer-languages { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }
}
@media (max-width: 900px) {
  .stage { height: auto; }
  .stage-copy { height: auto; max-width: none; padding: 56px 28px 8px; }
  .stage-visual { position: relative; right: auto; width: 100%; height: 430px; transform: none; }
  .rig { left: 50%; transform: translateX(-62%) scale(.66); transform-origin: bottom center; }
  .store-pill { margin-left: 0; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
  h1, .stage-title { font-size: clamp(24px, 3.9vw, 30px); }
  .grid-two { grid-template-columns: minmax(0, 1fr); }
  .panel { padding: 32px; }
}
@media (max-width: 640px) {
  :root { --gutter: 16px; --stage-gutter: 12px; }
  .masthead { gap: 10px; }
  .brand { gap: 8px; }
  .masthead > .brand { flex-shrink: 1; min-width: 0; }
  .masthead .brand-text { min-width: 0; }
  .brand-name { font-size: 16px; overflow-wrap: anywhere; }
  .brand-sub { display: none; }
  .header-tools { gap: 8px; margin-left: auto; }
  .lang { padding-inline: 12px; gap: 6px; }
  .lang-full { display: none; }
  .lang-short { display: inline; }
  .stage-copy { padding: 44px 22px 4px; }
  .stage-lede { font-size: var(--fs-body); }
  .stage-actions .btn { min-height: 50px; padding-inline: 20px; font-size: var(--fs-nav); }
  .stage-devices { gap: 8px 16px; }
  .stage-visual { height: 360px; }
  .rig { transform: translateX(-62%) scale(.54); }
  .facts { padding-inline: 8px; padding-bottom: 40px; }
  .facts-grid { grid-template-columns: minmax(0, 1fr); }
  .facts-grid li { border-left: 0; padding-left: 0; }
  .card, .panel { padding: 24px; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-brand { grid-column: auto; }
  .tilt, [data-tilt] { transform: none; }
}
@media (max-width: 360px) {
  .brand-logo, .brand-mark { width: 30px; height: 30px; }
  .brand-name { font-size: var(--fs-sm); }
  .stage-actions { gap: 10px; }
  .stage-actions .btn { padding-inline: 15px; font-size: var(--fs-sm); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html.reveal-ready .reveal:not(.shown) { opacity: 1; transform: none; }
}