:root {
  --paper: #f5f2ea;
  --paper-soft: #fbfaf6;
  --paper-raise: #ece8dd;
  --ink: #121412;
  --ink-muted: #4d504b;
  --ink-dim: #81857d;
  --line: #1719151c;
  --line-strong: #17191533;
  --sky: #8fafc1;
  --sky-deep: #4f7f99;
  --sky-soft: #dce8ed;
  --sky-wash: #eef6f7;
  --moss: #5e6f61;
  --brass: #a98942;
  --oxide: #9a5d54;
  --dark: #111513;
  --dark-soft: #1b211e;
  --oricode-title-size: 11.5rem;
  --hero-logo-clip-top: 11.5%;
  --hero-logo-clip-right: 47.25%;
  --hero-logo-clip-bottom: 23.5%;
  --hero-logo-clip-left: 39.4%;
  --header-height: 84px;
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --mono: "SF Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, #15171608 0 1px, transparent 1px 100%),
    radial-gradient(ellipse at 74% 8%, #dce8ed8a 0 15%, transparent 48%),
    linear-gradient(180deg, var(--paper-soft) 0%, var(--paper) 42%, #eef1ed 100%);
  background-size: 120px 120px, auto, auto;
  font-family: var(--sans);
  font-size: 15px;
  letter-spacing: 0;
}

body::selection {
  color: var(--paper-soft);
  background: var(--sky-deep);
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--sky-deep);
  outline-offset: 4px;
}

p,
h1,
h2,
h3 {
  margin: 0;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  padding: 0 72px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper-soft) 84%, transparent);
  backdrop-filter: blur(18px) saturate(1.04);
  box-shadow: 0 12px 42px #1517160c;
}

main {
  padding-top: var(--header-height);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 34px;
  font-weight: 700;
}

.brand img {
  display: block;
  width: 148px;
  height: 32px;
  object-fit: contain;
}

.brand small {
  color: var(--ink);
  font-size: 18px;
  font-weight: 760;
  line-height: 1;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.top-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 13px;
  border-radius: 999px;
  color: color-mix(in srgb, var(--ink) 76%, transparent);
  font-weight: 680;
  transition:
    background-color 180ms var(--ease-out-quart),
    color 180ms var(--ease-out-quart),
    box-shadow 180ms var(--ease-out-quart);
}

.top-nav a:hover {
  color: var(--ink);
  background: var(--sky-wash);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--sky-deep) 18%, transparent);
}

.menu-toggle {
  display: none;
  border: 0;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition:
    transform 160ms var(--ease-out-quart),
    opacity 160ms var(--ease-out-quart);
}

.menu-scrim,
.mobile-menu-panel {
  display: none;
}

html.menu-open,
body.menu-open {
  overflow: hidden;
}

.eyebrow {
  font-family: var(--mono);
  color: var(--sky-deep);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.08em;
}

.hero-scroll,
.memory-scroll,
.capability-scroll {
  position: relative;
  scroll-margin-top: 84px;
}

.hero-scroll {
  height: 360svh;
  z-index: 1;
}

.hero-stage,
.memory-stage,
.capability-stage {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: clip;
  isolation: isolate;
}

.hero-stage {
  display: grid;
  place-items: center;
  padding: 120px 72px 72px;
  background:
    repeating-linear-gradient(90deg, #15171608 0 1px, transparent 1px 120px),
    radial-gradient(ellipse at 54% 48%, #dce8edb8 0 10%, transparent 48%),
    linear-gradient(180deg, var(--paper-soft), var(--paper));
}

.hero-stage::before {
  content: "";
  position: absolute;
  right: -220px;
  bottom: -260px;
  width: 760px;
  aspect-ratio: 1;
  border: 1px solid color-mix(in srgb, var(--sky-deep) 16%, transparent);
  border-radius: 50%;
  background:
    repeating-radial-gradient(circle at center, transparent 0 58px, color-mix(in srgb, var(--sky-deep) 10%, transparent) 59px 60px, transparent 61px 116px),
    conic-gradient(from 20deg, transparent 0 14%, color-mix(in srgb, var(--brass) 14%, transparent) 14% 15%, transparent 15% 47%, color-mix(in srgb, var(--ink) 10%, transparent) 47% 48%, transparent 48% 100%);
  opacity: calc(0.52 - var(--hero-progress, 0) * 0.24);
  transform: rotate(calc(-10deg + var(--hero-progress, 0) * 20deg));
}

.hero-stage::after {
  display: none;
}

.hero-logo-breath {
  position: relative;
  z-index: 3;
  display: grid;
  place-items: center;
  width: min(1160px, calc(100vw - 144px));
  transform-origin: 46% 50%;
  transform: translateZ(0) rotate(var(--hero-breath-rotate, 0deg)) scale(var(--hero-breath-scale, 1));
  will-change: transform;
}

.hero-logo-from-asset {
  display: block;
  width: 100%;
  height: auto;
  opacity: var(--hero-logo-opacity, 1);
  clip-path: inset(
    var(--hero-logo-clip-top, 11.5%)
    var(--hero-logo-clip-right, 47.25%)
    var(--hero-logo-clip-bottom, 23.5%)
    var(--hero-logo-clip-left, 39.4%)
  );
  filter: none;
  transform: translate3d(0, var(--hero-logo-y, 18px), 0) scale(var(--hero-logo-scale, 0.985));
  transform-origin: 46% 50%;
  pointer-events: none;
}

.hero-identity {
  position: absolute;
  left: 72px;
  bottom: 78px;
  z-index: 5;
  display: grid;
  gap: var(--space-md);
  max-width: 720px;
  opacity: var(--hero-copy-opacity, 0);
  transform: translate3d(0, calc((1 - var(--hero-copy-opacity, 0)) * 28px), 0);
}

.hero-identity h1 {
  max-width: 14ch;
  font-size: 5.5rem;
  font-weight: 860;
  line-height: 0.98;
  text-wrap: balance;
}

.hero-identity p:last-child {
  max-width: 62ch;
  color: var(--ink-muted);
  font-size: 1.35rem;
  line-height: 1.58;
  text-wrap: pretty;
}

.scroll-cue {
  position: absolute;
  right: 72px;
  bottom: 52px;
  z-index: 6;
  width: 42px;
  height: 62px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: color-mix(in srgb, var(--paper-soft) 64%, transparent);
  box-shadow: 0 18px 50px #15171610;
  opacity: calc(1 - var(--hero-progress, 0) * 2);
}

.scroll-cue span {
  position: absolute;
  left: 50%;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sky-deep);
  transform: translateX(-50%);
  animation: cue 1500ms var(--ease-out-expo) infinite;
}

@keyframes cue {
  0% { opacity: 0; transform: translate(-50%, 0); }
  24% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, 24px); }
}

.memory-scroll {
  height: 470svh;
  z-index: 2;
  margin-top: -100svh;
  background: #000;
}

.memory-stage {
  perspective: 1100px;
  background: #000;
}

.memory-stripe-space {
  position: absolute;
  inset: 0;
  z-index: 1;
  transform-style: preserve-3d;
}

.memory-stripe {
  position: absolute;
  left: 0;
  top: 0;
  width: 1px;
  height: 1px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--stripe-color, #dce8ed) 86%, transparent);
  opacity: var(--stripe-opacity, 0);
  transform-origin: 50% 0;
  will-change: transform, opacity;
}

.memory-copy,
.oricode-emergence {
  position: absolute;
  z-index: 4;
  display: grid;
  gap: var(--space-md);
  color: var(--paper-soft);
}

.memory-copy {
  left: 72px;
  top: 50%;
  max-width: 650px;
  opacity: var(--memory-copy-opacity, 0);
  transform: translate3d(0, calc(-50% + var(--memory-copy-y, 20px)), 0);
}

.memory-copy h2 {
  font-size: 4.8rem;
  line-height: 1;
  font-weight: 850;
  text-wrap: balance;
}

.memory-copy p:last-child,
.oricode-lead {
  max-width: 58ch;
  color: color-mix(in srgb, var(--paper-soft) 68%, transparent);
  font-size: 1.2rem;
  line-height: 1.62;
}

.memory-i {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 5;
  width: max-content;
  height: auto;
  opacity: var(--memory-i-opacity, 0);
  color: var(--paper-soft);
  font-size: var(--oricode-title-size);
  font-weight: 860;
  line-height: 0.88;
  letter-spacing: 0;
  text-shadow: 0 0 42px color-mix(in srgb, var(--sky) 16%, transparent);
  transform: translate3d(calc(-50% + var(--memory-i-x, 0px)), calc(-50% + var(--memory-i-y, 0px)), 0) scale(var(--memory-i-scale, 1));
  transform-origin: 50% 50%;
  pointer-events: none;
}

.oricode-emergence {
  inset: 0;
  grid-template-columns: minmax(260px, 860px);
  align-items: center;
  justify-content: center;
  justify-items: center;
  padding: 0 72px;
  text-align: center;
  opacity: var(--oricode-opacity, 0);
  transform: translate3d(0, var(--oricode-y, 36px), 0) scale(var(--oricode-scale, 0.98));
}

.oricode-core {
  display: grid;
  gap: var(--space-md);
  justify-items: center;
  width: min(100%, 860px);
  max-width: 860px;
}

.oricode-emergence h2 {
  display: flex;
  align-items: baseline;
  justify-content: center;
  justify-self: center;
  gap: 0;
  width: max-content;
  max-width: calc(100vw - 144px);
  font-size: var(--oricode-title-size);
  line-height: 0.88;
  font-weight: 860;
  letter-spacing: 0;
  white-space: nowrap;
}

.oricode-i-slot {
  opacity: 0;
}

.oricode-emergence p {
  margin-inline: auto;
}

.oricode-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: var(--space-xs);
}

.oricode-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 128px;
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.98rem;
  font-weight: 760;
  line-height: 1;
  transition:
    transform 160ms var(--ease-out-quart),
    border-color 160ms var(--ease-out-quart),
    background-color 160ms var(--ease-out-quart),
    color 160ms var(--ease-out-quart);
}

.oricode-action:hover {
  transform: translateY(-1px);
}

.oricode-action-primary {
  border-color: var(--paper-soft);
  color: #070807;
  background: var(--paper-soft);
}

.oricode-action-primary:hover {
  background: color-mix(in srgb, var(--paper-soft) 88%, var(--sky) 12%);
}

.oricode-action-secondary {
  border-color: color-mix(in srgb, var(--paper-soft) 34%, transparent);
  color: var(--paper-soft);
  background: color-mix(in srgb, var(--paper-soft) 8%, transparent);
}

.oricode-action-secondary:hover {
  border-color: color-mix(in srgb, var(--paper-soft) 58%, transparent);
  background: color-mix(in srgb, var(--paper-soft) 14%, transparent);
}

.capability-scroll {
  height: 650svh;
  background:
    linear-gradient(180deg, var(--paper) 0%, var(--paper-soft) 100%);
}

.capability-stage {
  padding: 120px 72px 72px;
  background:
    linear-gradient(90deg, #15171608 0 1px, transparent 1px 120px),
    radial-gradient(ellipse at 18% 14%, #dce8ed70 0 14%, transparent 46%),
    linear-gradient(180deg, var(--paper), var(--paper-soft));
}

.capability-intro {
  position: absolute;
  left: 72px;
  top: 132px;
  z-index: 3;
  display: grid;
  gap: var(--space-md);
  max-width: 920px;
  opacity: var(--cap-intro-opacity, 1);
  transform: translate3d(0, calc((1 - var(--cap-intro-opacity, 1)) * -24px), 0);
  pointer-events: none;
}

.capability-intro h2 {
  max-width: 18ch;
  font-size: 4.8rem;
  line-height: 1.02;
  font-weight: 860;
  text-wrap: balance;
}

.capability-track {
  position: absolute;
  left: 50%;
  top: 54%;
  z-index: 2;
  display: flex;
  align-items: stretch;
  gap: 36px;
  transform: translate3d(calc(var(--cap-track-start, -560px) - var(--cap-track-offset, 0px)), -50%, 0);
  will-change: transform;
}

.capability-panel {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: var(--space-lg);
  width: min(1120px, calc(100vw - 144px));
  min-height: 68svh;
  padding: 48px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: color-mix(in srgb, var(--paper-soft) 80%, transparent);
  box-shadow: 0 32px 100px #15171613;
  opacity: var(--panel-opacity, 0.34);
  transform: scale(var(--panel-scale, 0.94));
  transition:
    opacity 160ms linear,
    transform 160ms linear,
    background-color 160ms linear;
  contain: layout paint;
}

.capability-panel[data-active="true"] {
  background: var(--paper-soft);
  opacity: 1;
}

.cap-index {
  width: fit-content;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--sky-deep);
  background: var(--sky-wash);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 760;
}

.capability-panel h3 {
  font-size: 5rem;
  line-height: 0.98;
  font-weight: 850;
  text-wrap: balance;
}

.capability-panel > p:not(.cap-index) {
  max-width: 64ch;
  color: var(--ink-muted);
  font-size: 1.25rem;
  line-height: 1.62;
}

.cap-how {
  display: grid;
  gap: var(--space-sm);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--line-strong);
}

.cap-how span {
  color: var(--brass);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.08em;
}

.cap-how p {
  max-width: 74ch;
  color: color-mix(in srgb, var(--ink) 72%, transparent);
  font-size: 1.05rem;
  line-height: 1.58;
}

.capability-rail {
  position: absolute;
  left: 72px;
  right: 72px;
  bottom: 42px;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  pointer-events: none;
}

.capability-rail span {
  height: 2px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ink) 18%, transparent);
  transform-origin: left center;
  transform: scaleX(0.36);
  transition:
    background-color 160ms var(--ease-out-quart),
    transform 160ms var(--ease-out-quart);
}

.capability-rail span[data-active="true"] {
  background: var(--sky-deep);
  transform: scaleX(1);
}

.belief {
  scroll-margin-top: 84px;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 144px 72px;
  background:
    repeating-linear-gradient(90deg, #15171608 0 1px, transparent 1px 120px),
    radial-gradient(ellipse at 18% 14%, #dce8ed70 0 14%, transparent 46%),
    linear-gradient(180deg, var(--paper), var(--paper-soft));
  background-size: 120px 120px, auto;
  color: var(--ink);
}

.belief-panel {
  position: relative;
  display: grid;
  gap: var(--space-lg);
  width: min(1120px, 100%);
  padding: 72px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: color-mix(in srgb, var(--paper-soft) 76%, transparent);
  overflow: clip;
}

.belief-panel h2 {
  max-width: 16ch;
  font-size: 5.8rem;
  line-height: 1.02;
  font-weight: 860;
  text-wrap: balance;
}

.belief-panel p:not(.eyebrow) {
  max-width: 68ch;
  color: var(--ink-muted);
  font-size: 1.35rem;
  line-height: 1.7;
}

.belief-lines {
  position: absolute;
  right: 72px;
  bottom: 72px;
  display: grid;
  gap: 14px;
  width: 320px;
}

.belief-lines span {
  display: block;
  height: 2px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--sky) 52%, transparent);
}

.belief-lines span:nth-child(2) {
  width: 72%;
  background: color-mix(in srgb, var(--brass) 48%, transparent);
}

.belief-lines span:nth-child(3) {
  width: 44%;
  background: color-mix(in srgb, var(--ink) 28%, transparent);
}

.home-footer {
  position: relative;
  display: grid;
  gap: 18px;
  min-height: 330px;
  padding: 36px 72px;
  background: #151716;
  color: var(--paper);
  overflow: hidden;
}

.home-footer::before {
  display: none;
}

.footer-top,
.footer-rule,
.footer-bottom {
  position: relative;
  z-index: 1;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 56px;
  min-height: 150px;
}

.footer-brand {
  display: grid;
  align-content: start;
  gap: 14px;
  width: 360px;
}

.footer-brand h2 {
  font-size: 22px;
}

.footer-brand p {
  color: #b9bbb4;
  font-size: 15px;
  line-height: 1.35;
}

.footer-columns {
  display: flex;
  gap: 70px;
}

.footer-column {
  display: grid;
  align-content: start;
  gap: 12px;
  min-width: 110px;
}

.footer-column h3 {
  color: var(--sky);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 400;
}

.footer-column a {
  white-space: pre-line;
  color: #e8e8e1;
  font-size: 14px;
  line-height: 1.65;
  transition: color 180ms var(--ease-out-quart);
}

.footer-column a:hover {
  color: var(--sky);
}

.footer-rule {
  height: 1px;
  background: #ffffff1f;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--ink-dim);
  font-size: 14px;
  line-height: 1.5;
}

.beian {
  text-align: right;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 700ms var(--ease-out-expo),
    transform 700ms var(--ease-out-expo);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  :root {
    --oricode-title-size: 7rem;
  }

  .site-header,
  .hero-stage,
  .capability-stage,
  .belief,
  .home-footer {
    padding-left: 40px;
    padding-right: 40px;
  }

  .hero-logo-breath {
    width: calc(100vw - 80px);
  }

  .hero-identity,
  .memory-copy,
  .capability-intro,
  .capability-rail {
    left: 40px;
    right: 40px;
  }

  .scroll-cue {
    right: 40px;
  }

  .hero-identity h1,
  .capability-intro h2,
  .memory-copy h2,
  .belief-panel h2 {
    font-size: 4rem;
  }

  .capability-panel h3 {
    font-size: 3.6rem;
  }

  .capability-panel {
    width: calc(100vw - 80px);
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 54px;
  }

  .site-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    z-index: 500;
    min-height: 54px;
    padding-top: 6px;
    padding-bottom: 6px;
  }

  html.menu-open .site-header {
    z-index: 720;
    border-bottom-color: transparent;
    background: color-mix(in srgb, var(--paper-soft) 94%, transparent);
    box-shadow: none;
  }

  .brand {
    gap: 8px;
    min-height: 26px;
  }

  .brand img {
    width: 128px;
    height: 26px;
    transform: translateY(1.5px);
  }

  .brand small {
    font-size: 13px;
    font-weight: 540;
  }

  .top-nav {
    display: none;
  }

  .menu-toggle {
    position: relative;
    z-index: 740;
    display: inline-grid;
    place-items: center;
    width: 22px;
    height: 22px;
    padding: 0;
  }

  .menu-toggle span {
    position: absolute;
    right: 3px;
    width: 15px;
    height: 1.5px;
    transform-origin: 100% 50%;
  }

  .menu-toggle span:nth-child(1) {
    transform: translateY(-5px);
  }

  .menu-toggle span:nth-child(2) {
    transform: translateY(0);
  }

  .menu-toggle span:nth-child(3) {
    transform: translateY(5px);
  }

  .menu-toggle[aria-expanded="true"] {
    color: #050605;
  }

  .menu-toggle[aria-expanded="true"] span {
    height: 2px;
    background: #050605;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(0) rotate(40deg);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
    transform: translateX(-4px);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(0) rotate(-40deg);
  }

  .menu-scrim,
  .mobile-menu-panel {
    display: block;
  }

  .menu-scrim {
    position: fixed;
    inset: 0;
    z-index: 540;
    pointer-events: none;
    background: color-mix(in srgb, var(--ink) 38%, transparent);
    opacity: 0;
    transition: opacity 240ms var(--ease-out-quart);
  }

  .menu-scrim[data-open="true"] {
    pointer-events: auto;
    opacity: 1;
  }

  .mobile-menu-panel {
    position: fixed;
    inset: 0;
    z-index: 620;
    min-height: 100svh;
    padding: 142px 20px 46px;
    color: var(--ink);
    background: color-mix(in srgb, var(--paper-soft) 94%, transparent);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translate3d(0, -6vh, 0);
    transform-origin: top center;
    transition:
      opacity 260ms var(--ease-out-quart),
      visibility 260ms var(--ease-out-quart),
      transform 260ms var(--ease-out-quart);
  }

  .mobile-menu-panel[data-open="true"] {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate3d(0, 0, 0);
  }

  .mobile-menu-nav {
    display: grid;
    gap: clamp(26px, 5.2vh, 54px);
  }

  .mobile-menu-nav a {
    width: fit-content;
    color: var(--ink);
    font-size: clamp(58px, 17vw, 92px);
    font-weight: 850;
    line-height: 0.92;
  }

  .mobile-menu-nav a,
  .mobile-menu-foot a {
    opacity: 0;
    transform: translate3d(0, 22px, 0);
    transition:
      opacity 440ms var(--ease-out-quint),
      transform 440ms var(--ease-out-quint);
  }

  .mobile-menu-panel[data-open="true"] .mobile-menu-nav a,
  .mobile-menu-panel[data-open="true"] .mobile-menu-foot a {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }

  .mobile-menu-panel[data-open="true"] .mobile-menu-nav a:nth-child(1) {
    transition-delay: 90ms;
  }

  .mobile-menu-panel[data-open="true"] .mobile-menu-nav a:nth-child(2) {
    transition-delay: 170ms;
  }

  .mobile-menu-panel[data-open="true"] .mobile-menu-nav a:nth-child(3) {
    transition-delay: 250ms;
  }

  .mobile-menu-panel[data-open="true"] .mobile-menu-foot a:nth-child(1) {
    transition-delay: 330ms;
  }

  .mobile-menu-panel[data-open="true"] .mobile-menu-foot a:nth-child(2) {
    transition-delay: 410ms;
  }

  .mobile-menu-foot {
    position: absolute;
    left: 20px;
    right: 20px;
    bottom: 38px;
    display: flex;
    justify-content: space-between;
    gap: 18px;
    color: var(--ink-muted);
    font-size: clamp(16px, 4.4vw, 19px);
    font-weight: 720;
  }
}

@media (max-width: 760px) {
  :root {
    --oricode-title-size: 3rem;
  }

  .site-header {
    min-height: 54px;
    padding-left: 20px;
    padding-right: 20px;
  }

  .brand img {
    width: 128px;
  }

  .hero-scroll {
    height: 390svh;
  }

  .hero-stage,
  .capability-stage {
    padding: 96px 20px 44px;
  }

  .hero-logo-breath {
    width: calc(100vw - 40px);
  }

  .hero-identity {
    left: 20px;
    right: 20px;
    bottom: clamp(86px, 12svh, 128px);
  }

  .hero-identity h1,
  .capability-intro h2,
  .memory-copy h2,
  .belief-panel h2 {
    font-size: 3rem;
  }

  .hero-identity p:last-child,
  .belief-panel p:not(.eyebrow) {
    font-size: 1.08rem;
  }

  .scroll-cue {
    display: none;
  }

  .memory-scroll {
    height: 410svh;
  }

  .memory-copy {
    left: 20px;
    right: 20px;
    top: 28%;
  }

  .memory-copy p:last-child,
  .oricode-lead {
    font-size: 1rem;
  }

  .oricode-emergence {
    grid-template-columns: 1fr;
    align-content: center;
    gap: 22px;
    padding: 0 20px;
    text-align: center;
  }

  .oricode-core {
    justify-items: center;
    gap: 10px;
  }

  .oricode-emergence h2 {
    justify-content: center;
    max-width: calc(100vw - 40px);
  }

  .oricode-lead {
    max-width: 32ch;
  }

  .oricode-actions {
    width: 100%;
    gap: 10px;
  }

  .oricode-action {
    flex: 1 1 140px;
    min-width: 0;
    min-height: 42px;
    padding: 0 18px;
  }

  .capability-scroll {
    height: 590svh;
  }

  .capability-intro {
    left: 20px;
    right: 20px;
    top: 96px;
  }

  .capability-track {
    top: 57%;
    gap: 20px;
  }

  .capability-panel {
    width: calc(100vw - 40px);
    min-height: 62svh;
    padding: 28px;
  }

  .capability-panel h3 {
    font-size: 2.7rem;
  }

  .capability-panel > p:not(.cap-index) {
    font-size: 1rem;
  }

  .cap-how p {
    font-size: 0.95rem;
  }

  .capability-rail {
    left: 20px;
    right: 20px;
    bottom: 24px;
  }

  .belief {
    padding: 92px 20px;
  }

  .belief-panel {
    padding: 34px;
  }

  .belief-lines {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    margin-top: var(--space-lg);
  }

  .home-footer {
    padding: 42px 20px 34px;
  }

  .footer-top,
  .footer-bottom {
    flex-direction: column;
  }

  .footer-brand {
    width: auto;
  }

  .footer-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }

  .beian {
    text-align: left;
  }
}