:root {
  --c-field: #3a57fb;
  --c-field-deep: #2338d6;
  --c-panel: #3a57fb;
  --c-panel-2: #304be0;
  --c-border: rgba(255, 255, 255, .28);
  --c-link: #d2f4ff;
  --c-on-accent: #0e1430;
  --c-accent: #ff8f0f;
  --c-accent-dark: #e06f00;
  --c-policy: #ffd2a0;
  --c-ice: #3fd0f2;
  --c-ice-halo: rgba(63, 208, 242, .24);
  --c-ink: #ffffff;
  --c-muted: #e3e8ff;
  --c-faint: #c5ceff;
  --c-violet: #7a5af5;
  --c-peach: #ffc49a;
  --c-success: #19b27a;
  --c-warn: #f5b400;
  --c-error: #e5484d;
  --c-clear: transparent;
  --c-veil: rgba(14, 20, 48, .38);
  --on-field: #ffffff;
  --on-field-soft: rgba(255, 255, 255, .84);
  --on-field-dim: rgba(255, 255, 255, .82);
  --on-field-line: rgba(255, 255, 255, .42);
  --on-field-hair: rgba(255, 255, 255, .22);
  --on-field-wash: rgba(255, 255, 255, .10);

  --shadow-sheet: 0 1px 2px rgba(14, 20, 48, .08), 0 22px 44px -22px rgba(14, 20, 48, .42);
  --shadow-frame: 0 40px 70px -40px rgba(35, 56, 214, .55);
  --shadow-cta: 0 1px 0 rgba(14, 20, 48, .12), 0 10px 24px -12px rgba(224, 111, 0, .7);
  --shadow-card: 0 8px 28px -20px rgba(14, 20, 48, .24);
  --shadow-mark: inset 0 0 0 1px var(--c-border), 0 2px 6px rgba(14, 20, 48, .18);

  --r-btn: 4px;
  --r-card: 6px;
  --r-sheet: 8px;
  --r-frame: 12px;
  --r-mark: 9px;
  --r-shot: 10px;
  --r-dot: 50%;
  --r-pixel: 1px;

  --f-display: "Inter", "Noto Sans SC", -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --f-body: "Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-strong: 600;
  --size-body: 16px;
  --size-small: 14px;
  --size-code: 13px;
  --size-h1: clamp(34px, 1.2rem + 2vw, 48px);
  --size-h2: clamp(24px, 1rem + 1vw, 32px);
  --size-h3: 21px;
  --leading-body: 1.6;
  --leading-heading: 1.25;
  --tracking-heading: -.02em;

  --gutter: 40px;
  --wrap: 1240px;
  --header-span: 1280px;
  --reading: 800px;
  --stage-w: 1080px;
  --overlap: 200px;
  --code-row: 26px;
  --header-h: 68px;
  --section-space: 140px;
  --panel-pad: 28px;
  --gap: 24px;
  --touch: 44px;
  --duration: .2s;
  --reveal-duration: .65s;
  --motion-cycle: 24s;
  --focus-width: 2px;
  --focus-offset: 3px;
  --layer-header: 50;
  --layer-veil: 40;
  --layer-fab: 30;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
html.nav-open { overflow: hidden; }
body {
  margin: 0;
  font-family: var(--f-body);
  font-size: var(--size-body);
  line-height: var(--leading-body);
  color: var(--c-ink);
  background: var(--c-panel);
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
img { max-width: 100%; }
svg { flex-shrink: 0; vertical-align: middle; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button, a { -webkit-tap-highlight-color: var(--c-clear); }
button { color: inherit; }
a { color: var(--c-link); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: .2em; }
:focus-visible {
  outline: var(--focus-width) solid var(--c-field);
  outline-offset: var(--focus-offset);
  border-radius: var(--r-btn);
}
.topbar :focus-visible, .hero :focus-visible { outline-color: var(--c-ice); }
::selection { background: var(--c-field); color: var(--on-field); }
h1, h2, h3 {
  font-family: var(--f-display);
  font-weight: var(--weight-normal);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  text-wrap: balance;
  overflow-wrap: break-word;
}
h1 { font-size: var(--size-h1); }
h2 { font-size: var(--size-h2); }
h3 { font-size: var(--size-h3); }
p { margin-top: 0; }
strong { font-weight: var(--weight-strong); }
code, pre, kbd { font-family: var(--f-mono); }
code { overflow-wrap: anywhere; }
pre {
  max-width: 100%;
  min-width: 0;
  margin: 20px 0;
  padding: 22px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  background: var(--c-panel-2);
  color: var(--c-ink);
  border-radius: var(--r-card);
  font-size: var(--size-code);
  line-height: 1.9;
  tab-size: 2;
}
pre code { white-space: pre; overflow-wrap: normal; word-break: normal; }
figure { margin: 0; }
section[id], h2[id], h3[id], [role="tabpanel"] { scroll-margin-top: 28px; }
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.reading { max-width: var(--reading); margin-inline: auto; min-width: 0; }
.section {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}
.section--cool { background: var(--c-panel-2); color: var(--c-ink); }
.section--field { background: var(--c-field); color: var(--on-field); }
.decorated, .hero { overflow-x: clip; }
.grid { display: grid; gap: var(--gap); }
.grid--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid > *, .sheet__body > *, .footer-grid > *, .tabs > *, .prose > * { min-width: 0; }
.nowrap { white-space: nowrap; }
.muted { color: var(--c-muted); }
.mono { font-family: var(--f-mono); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  top: 8px;
  left: var(--gutter);
  z-index: 100;
  padding: 10px 16px;
  transform: translateY(-180%);
  background: var(--c-panel);
  color: var(--c-ink);
  border-radius: var(--r-btn);
}
.skip-link:focus { transform: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 12px 28px;
  border: 1px solid var(--c-clear);
  border-radius: var(--r-btn);
  font-size: var(--size-body);
  font-weight: var(--weight-strong);
  line-height: 1.4;
  letter-spacing: .005em;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--duration), border-color var(--duration), transform var(--duration);
}
.btn:hover { text-decoration: none; }
.btn svg { width: 18px; height: 18px; flex: none; }
.btn--primary {
  background: var(--c-accent);
  color: var(--c-on-accent);
  box-shadow: var(--shadow-cta);
}
.btn--primary:hover, .btn--primary.is-hover { background: var(--c-accent-dark); color: var(--c-on-accent); }
.btn--primary:active { transform: translateY(1px); }
.btn--ghost {
  background: var(--c-clear);
  border-color: var(--on-field-line);
  color: var(--on-field);
}
.btn--ghost:hover { border-color: var(--on-field); background: var(--on-field-wash); color: var(--on-field); }
.btn--outline { background: var(--c-panel); color: var(--c-link); border-color: var(--c-border); }
.btn--outline:hover { background: var(--c-panel-2); color: var(--c-link); border-color: var(--c-link); }
.btn:disabled, .btn[aria-disabled="true"] {
  background: var(--c-panel-2);
  color: var(--c-muted);
  border-color: var(--c-border);
  box-shadow: none;
  cursor: not-allowed;
}
.btn.is-focus { outline: var(--focus-width) solid var(--c-field); outline-offset: var(--focus-offset); }
.btn__arrow { font-family: var(--f-mono); font-weight: var(--weight-normal); }
.cta { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; margin-top: 28px; }

.topbar { position: relative; z-index: var(--layer-header); background: var(--c-field); color: var(--on-field); }
.header-shell {
  width: 100%;
  max-width: min(100%, calc(var(--header-span) + var(--gutter) * 2));
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.topbar__in { display: flex; align-items: center; gap: 24px; min-height: var(--header-h); }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  color: var(--on-field);
  font-size: 16px;
  font-weight: var(--weight-strong);
  letter-spacing: -.005em;
}
.brand:hover { text-decoration: none; }
.brand__mark {
  display: block;
  width: 32px;
  height: 32px;
  flex: none;
  border-radius: var(--r-mark);
  background: var(--c-panel);
  color: var(--c-ink);
  box-shadow: var(--shadow-mark);
}
.nav { min-width: 0; margin-left: auto; }
.nav ul {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.2vw, 34px);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav a {
  display: block;
  padding-block: 12px;
  color: var(--on-field-dim);
  font-size: 15px;
  white-space: nowrap;
  transition: color var(--duration);
}
.nav a:hover { color: var(--on-field); text-decoration: none; }
.nav a[data-active] { color: var(--on-field); font-weight: var(--weight-strong); }
.header-tools { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.language { position: relative; }
.language__button {
  min-height: var(--touch);
  padding: 8px 0 8px 24px;
  border: 0;
  border-left: 1px solid var(--on-field-hair);
  background: var(--c-clear);
  color: var(--on-field-soft);
  font-size: var(--size-small);
  white-space: nowrap;
}
.language__short { display: none; }
.language__menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: 190px;
  padding: 8px;
  margin: 0;
  list-style: none;
  background: var(--c-panel);
  color: var(--c-ink);
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-sheet);
}
.language__menu a {
  display: flex;
  align-items: center;
  min-height: var(--touch);
  padding: 10px 12px;
  color: var(--c-ink);
  border-radius: var(--r-btn);
}
.language__menu a:hover, .language__menu a[aria-current] {
  background: var(--c-panel-2);
  color: var(--c-link);
  text-decoration: none;
}
.menu-button {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: var(--touch);
  min-height: var(--touch);
  border: 1px solid var(--on-field-line);
  border-radius: var(--r-btn);
  background: var(--c-clear);
  color: var(--on-field);
}
.menu-button svg { width: 22px; height: 22px; }
.mobile-nav { display: none; }
.nav-veil { position: fixed; inset: 0; z-index: var(--layer-veil); border: 0; background: var(--c-veil); color: var(--on-field); }

.hero {
  position: relative;
  background: var(--c-field);
  color: var(--on-field);
  padding-top: 30px;
  padding-bottom: 0;
  overflow-y: visible;
}
.hero__copy { text-align: center; max-width: 880px; margin-inline: auto; }
.tagline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 30px;
  max-width: 100%;
  padding: 4px 14px;
  border: 1px solid var(--on-field-hair);
  background: var(--on-field-wash);
  color: var(--on-field-soft);
  border-radius: var(--r-btn);
  font-family: var(--f-mono);
  font-size: 12.5px;
  letter-spacing: .01em;
}
.tagline__dot {
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: var(--r-dot);
  background: var(--c-ice);
  color: var(--c-ink);
  box-shadow: 0 0 0 4px var(--c-ice-halo);
}
.hero h1 {
  margin: 22px 0 0;
  font-size: clamp(26px, 1.2rem + 2vw, 48px);
  font-weight: var(--weight-normal);
  line-height: 1.14;
  color: var(--on-field);
}
.hero__lede {
  max-width: 740px;
  margin: 16px auto 0;
  font-size: 17px;
  line-height: 1.66;
  color: var(--on-field-soft);
}
.hero__lede strong { color: var(--on-field); }
.devices {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13.5px;
  color: var(--on-field-soft);
}
.devices li, .devices a { display: inline-flex; align-items: center; gap: 8px; line-height: 1; }
.devices a { min-height: 24px; color: inherit; }
.devices svg { width: 18px; height: 18px; flex: none; color: var(--on-field); }
.devices__sep { width: 1px; height: 16px; background: var(--on-field-hair); color: var(--on-field); }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 24px;
  max-width: 100%;
  padding: 3px 10px;
  border: 1px solid var(--on-field-line);
  border-radius: var(--r-btn);
  font-size: 12.5px;
  color: var(--on-field);
  overflow-wrap: anywhere;
}
.chip svg { width: 12px; height: 12px; }
.stage {
  position: relative;
  z-index: 2;
  isolation: isolate;
  overflow: hidden;
  max-width: var(--stage-w);
  margin: 38px auto calc(-1 * var(--overlap));
  padding: 28px 28px 30px;
  border-radius: var(--r-frame);
  background: linear-gradient(162deg, var(--c-field-deep) 0%, var(--c-violet) 48%, var(--c-peach) 100%);
  color: var(--c-ink);
  box-shadow: var(--shadow-frame);
}
.glow {
  position: absolute;
  z-index: -1;
  border-radius: var(--r-dot);
  filter: blur(64px);
  will-change: transform;
  animation: conf-drift var(--motion-cycle) ease-in-out infinite;
}
.glow--cobalt { width: 58%; height: 130%; left: -16%; top: -36%; background: var(--c-field); color: var(--on-field); }
.glow--violet { width: 46%; height: 110%; left: 28%; top: -48%; background: var(--c-violet); color: var(--on-field); animation-delay: -6s; animation-direction: reverse; }
.glow--amber { width: 50%; height: 120%; right: -18%; top: -20%; background: var(--c-accent); color: var(--c-ink); animation-delay: -12s; }
.glow--peach { width: 64%; height: 90%; left: 22%; bottom: -46%; background: var(--c-peach); color: var(--c-ink); animation-delay: -18s; animation-direction: reverse; }
@keyframes conf-drift {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(6%, 5%, 0) scale(1.08); }
}
.sheet {
  margin: 0;
  background: var(--c-panel);
  color: var(--c-ink);
  border-radius: var(--r-sheet);
  box-shadow: var(--shadow-sheet);
  overflow: hidden;
}
.sheet__bar {
  display: flex;
  align-items: flex-end;
  height: 40px;
  padding-inline: 14px;
  background: var(--c-panel-2);
  color: var(--c-ink);
  border-bottom: 1px solid var(--c-border);
}
.sheet__tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 31px;
  padding-inline: 16px;
  margin-bottom: -1px;
  background: var(--c-panel);
  color: var(--c-ink);
  border: 1px solid var(--c-border);
  border-bottom: 0;
  border-radius: var(--r-card) var(--r-card) 0 0;
  font-family: var(--f-mono);
  font-size: 12.5px;
}
.sheet__tab svg { width: 13px; height: 13px; color: var(--c-link); }
.sheet__meta { margin-left: auto; align-self: center; font-family: var(--f-mono); font-size: 11.5px; color: var(--c-muted); }
.sheet__body {
  display: grid;
  grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
  padding: 22px 28px 26px;
  font-family: var(--f-mono);
  font-size: 13px;
}
.col-conf { counter-reset: ln; padding-right: 28px; overflow-x: auto; }
.ln {
  position: relative;
  display: block;
  min-width: max-content;
  height: var(--code-row);
  line-height: var(--code-row);
  padding-left: 42px;
  white-space: pre;
  overflow-wrap: normal;
}
.ln::before {
  counter-increment: ln;
  content: counter(ln);
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  text-align: right;
  color: var(--c-muted);
}
.col-links {
  display: flex;
  flex-direction: column;
  padding-left: 32px;
  border-left: 1px solid var(--c-border);
  overflow-x: auto;
}
.row {
  position: relative;
  display: block;
  min-height: var(--code-row);
  line-height: var(--code-row);
  white-space: nowrap;
  overflow-wrap: normal;
}
.row--link { padding-left: 20px; }
.row--link::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: var(--r-pixel);
  background: var(--c-ice);
  color: var(--c-ink);
}
.row--note { margin-top: auto; white-space: normal; font-family: var(--f-body); font-size: 12.5px; color: var(--c-muted); }
.t-com { color: var(--c-muted); }
.t-sec { color: var(--c-link); font-weight: var(--weight-strong); }
.t-key { color: var(--c-ink); font-weight: var(--weight-medium); }
.t-op, .t-val, .t-ph { color: var(--c-muted); }
.t-pol { color: var(--c-policy); font-weight: var(--weight-strong); }
.t-sch { color: var(--c-link); font-weight: var(--weight-strong); }
.next {
  position: relative;
  z-index: 1;
  background: var(--c-panel);
  color: var(--c-ink);
  padding-top: calc(var(--overlap) + 30px);
  padding-bottom: var(--section-space);
}
.next__in { max-width: var(--stage-w); margin-inline: auto; }
.seg { display: flex; align-items: baseline; flex-wrap: wrap; gap: 14px; margin: 0; font-size: var(--size-small); color: var(--c-muted); }
.seg__name { font-family: var(--f-mono); font-size: 13.5px; color: var(--c-link); font-weight: var(--weight-medium); }
.next h2 { margin: 18px 0 0; font-size: clamp(22px, 1rem + 1vw, 32px); }
.next__lede { max-width: 680px; margin: 14px 0 0; color: var(--c-muted); }
.section-heading { margin-bottom: 40px; }
.section-heading h2 { margin-top: 16px; margin-bottom: 16px; }
.section-heading p:last-child { max-width: 720px; color: var(--c-muted); }
.card, .panel {
  min-width: 0;
  padding: var(--panel-pad);
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  background: var(--c-panel);
  color: var(--c-ink);
  box-shadow: var(--shadow-card);
}
.card h3, .panel h3 { margin-top: 0; }
.card p:last-child, .panel p:last-child { margin-bottom: 0; }
.prose { min-width: 0; line-height: 1.9; overflow-wrap: break-word; }
.prose h2 { margin-top: 64px; margin-bottom: 24px; }
.prose h3 { margin-top: 32px; }
.prose p, .prose ul, .prose ol { margin-bottom: 24px; }
.prose li + li { margin-top: 8px; }
.prose :not(pre) > code {
  padding: 2px 5px;
  background: var(--c-panel-2);
  color: var(--c-ink);
  border-radius: var(--r-btn);
  font-size: .9em;
}
.reveal { opacity: 1; transform: none; }
.reveal-ready .reveal:not(.shown) { opacity: 0; transform: translateY(16px); }
.reveal-ready .reveal { transition: opacity var(--reveal-duration) ease, transform var(--reveal-duration) ease; }

.site-footer {
  padding-top: 72px;
  padding-bottom: 32px;
  background: var(--c-panel-2);
  color: var(--c-ink);
}
.footer-grid { display: grid; grid-template-columns: 1.5fr .8fr 1.4fr .8fr; gap: 40px; }
.site-footer .brand { color: var(--c-ink); }
.footer-brand p { max-width: 330px; margin-top: 20px; color: var(--c-muted); font-size: var(--size-small); }
.footer-heading { margin: 0 0 16px; font-family: var(--f-mono); font-size: var(--size-small); font-weight: var(--weight-medium); color: var(--c-link); }
.footer-links { margin: 0; padding: 0; list-style: none; }
.footer-links a { display: inline-block; padding-block: 6px; font-size: var(--size-small); color: var(--c-muted); overflow-wrap: anywhere; }
.footer-links a:hover { color: var(--c-link); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; margin-top: 56px; color: var(--c-muted); font-size: 12px; }
.footer-bottom p { margin: 0; }
.footer-bottom a { color: var(--c-muted); }
.footer-legal { display: flex; flex-wrap: wrap; gap: 20px; margin-left: auto; }

@media (max-width: 1100px) {
  .nav { display: none; }
  .header-tools { margin-left: auto; }
  .menu-button { display: inline-flex; }
  .language__button { border-left: 0; padding-left: 0; }
  .mobile-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: block;
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 16px var(--gutter) 24px;
    background: var(--c-panel);
    color: var(--c-ink);
    box-shadow: var(--shadow-sheet);
  }
  .mobile-nav ul { margin: 0; padding: 0; list-style: none; }
  .mobile-nav a {
    display: flex;
    width: 100%;
    align-items: center;
    min-height: var(--touch);
    padding: 12px 8px;
    color: var(--c-ink);
    border-radius: var(--r-btn);
  }
  .mobile-nav a:hover, .mobile-nav a[aria-current] { background: var(--c-panel-2); color: var(--c-link); text-decoration: none; }
  .mobile-nav__languages { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--c-border); }
  .mobile-nav__label { margin: 0 8px 8px; color: var(--c-muted); font-size: var(--size-small); }
}
@media (max-width: 960px) {
  :root { --gutter: 20px; --overlap: 120px; }
  .hero__lede { font-size: 15.5px; }
  .cta { flex-direction: column; align-items: stretch; max-width: 320px; margin-inline: auto; }
  .devices { gap: 14px 18px; }
  .devices__sep { display: none !important; }
  .stage { margin-left: 0; margin-right: 0; padding: 16px; }
  .sheet__body { grid-template-columns: minmax(0, 1fr); padding: 16px 16px 20px; font-size: 12px; }
  .col-conf { padding-right: 0; }
  .col-links { padding-left: 0; border-left: 0; border-top: 1px solid var(--c-border); margin-top: 14px; padding-top: 12px; }
  .next__in { padding-inline: var(--gutter); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  :root { --size-h1: clamp(24px, 5vw, 30px); }
  .hero h1 { font-size: clamp(24px, 4.5vw, 30px); }
  .hero__copy { max-width: 100%; }
}
@media (max-width: 640px) {
  :root { --gutter: 16px; --panel-pad: 20px; --gap: 20px; }
  .topbar__in { gap: 8px; }
  .brand { gap: 8px; font-size: 13px; }
  .brand__mark { width: 28px; height: 28px; }
  .header-tools { gap: 6px; margin-left: auto; }
  .language__full { display: none; }
  .language__short { display: inline; }
  .language__button { padding-inline: 4px; }
  .grid--two, .grid--three { grid-template-columns: minmax(0, 1fr); }
  .hero { padding-top: 24px; }
  .hero__lede { font-size: 15px; }
  .tagline { font-size: 11px; padding-inline: 10px; }
  .stage { padding: 12px; }
  .sheet__body { padding-inline: 12px; }
  .ln { padding-left: 30px; }
  .ln::before { width: 20px; }
  .sheet__meta { font-size: 10px; }
  .sheet__tab { padding-inline: 10px; }
  .devices { flex-direction: row; gap: 12px 16px; }
  .tilt, [data-tilt] { transform: none !important; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .footer-bottom { margin-top: 36px; }
  .footer-legal { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .glow { animation: none; will-change: auto; }
  .btn, .nav a, .reveal-ready .reveal { transition: none; }
  .reveal-ready .reveal:not(.shown) { opacity: 1; transform: none; }
}