:root {
  --ink: #181a18;
  --ink-soft: #242724;
  --paper: #f4f5ef;
  --paper-soft: #ebece5;
  --muted: #696d68;
  --line: rgba(24, 26, 24, 0.16);
  --lime: #c9ff3d;
  --lime-deep: #aee827;
  --white: #fbfcf8;
  --radius: 1.25rem;
  --max: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Arial Rounded MT Bold", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: radial-gradient(rgba(24, 26, 24, 0.12) 0.7px, transparent 0.7px);
  background-size: 18px 18px;
  content: "";
  pointer-events: none;
  opacity: 0.2;
}

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

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

button {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--lime-deep);
  outline-offset: 4px;
}

::selection {
  background: var(--lime);
  color: var(--ink);
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  background: var(--lime);
  color: var(--ink);
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

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

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  background: rgba(244, 245, 239, 0.78);
  backdrop-filter: blur(16px);
  transition: border-color 220ms ease, background 220ms ease;
}

.site-header.scrolled {
  border-color: var(--line);
  background: rgba(244, 245, 239, 0.94);
}

.header-inner {
  display: flex;
  width: min(calc(100% - 3rem), var(--max));
  min-height: 5rem;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.brand-mark {
  position: relative;
  display: grid;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: var(--ink);
  place-items: center;
  transform: rotate(-16deg);
}

.brand-mark i {
  position: absolute;
  width: 1rem;
  height: 0.2rem;
  border-radius: 1rem;
  background: var(--lime);
}

.brand-mark i:first-child { transform: translateY(-0.38rem); }
.brand-mark i:last-child { transform: translateY(0.38rem); }

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.4rem, 3vw, 2.8rem);
  font-size: 0.86rem;
  font-weight: 700;
}

.site-nav > a:not(.nav-cta) {
  position: relative;
  color: #4c504b;
  transition: color 180ms ease;
}

.site-nav > a:not(.nav-cta)::after {
  position: absolute;
  right: 0;
  bottom: -0.5rem;
  left: 0;
  height: 2px;
  background: var(--ink);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 200ms ease;
}

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

.nav-cta {
  display: inline-flex;
  padding: 0.72rem 1rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  align-items: center;
  gap: 0.7rem;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.nav-cta:hover {
  background: var(--lime);
  color: var(--ink);
  transform: translateY(-2px);
}

.menu-toggle { display: none; }

.hero {
  position: relative;
  min-height: 100svh;
  padding-top: 5rem;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-grid,
.contact-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(24, 26, 24, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 26, 24, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, #000, transparent 86%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  width: min(calc(100% - 3rem), var(--max));
  min-height: calc(100svh - 10rem);
  margin: 0 auto;
  padding: clamp(4rem, 9vh, 8rem) 0 5rem;
  align-items: center;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.75fr);
  gap: clamp(3rem, 7vw, 7rem);
}

.eyebrow,
.section-kicker {
  display: flex;
  margin: 0 0 2rem;
  color: #555a54;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.eyebrow > span {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--lime-deep);
  box-shadow: 0 0 0 0.3rem rgba(174, 232, 39, 0.17);
}

.hero h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(3.8rem, 7.6vw, 7rem);
  font-weight: 900;
  letter-spacing: -0.075em;
  line-height: 0.98;
}

.accent-word {
  position: relative;
  z-index: 0;
  display: inline-block;
  margin-left: 0.05em;
}

.accent-word::after {
  position: absolute;
  right: -0.04em;
  bottom: 0.04em;
  left: 0.02em;
  z-index: -1;
  height: 0.23em;
  border-radius: 0.1em;
  background: var(--lime);
  content: "";
  transform: rotate(-1.8deg);
}

.hero-intro {
  max-width: 620px;
  margin: 2.3rem 0 0;
  color: #565b55;
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.85;
}

.hero-actions,
.contact-actions {
  display: flex;
  margin-top: 2.5rem;
  align-items: center;
  gap: 1.7rem;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  min-height: 3.55rem;
  padding: 0.85rem 1.4rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  font-size: 0.9rem;
  font-weight: 800;
  transition: transform 200ms ease, box-shadow 200ms ease, background 200ms ease;
}

.button-primary {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--ink);
  box-shadow: 0 0 0 rgba(24, 26, 24, 0);
}

.button-primary:hover {
  background: var(--lime-deep);
  transform: translateY(-3px);
  box-shadow: 0 10px 26px rgba(24, 26, 24, 0.13);
}

.text-link {
  display: inline-flex;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--ink);
  align-items: center;
  gap: 1.3rem;
  font-size: 0.9rem;
  font-weight: 800;
  transition: gap 180ms ease;
}

.text-link:hover { gap: 1.7rem; }

.system-card {
  position: relative;
  border: 1px solid rgba(251, 252, 248, 0.14);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--white);
  box-shadow: 0 24px 60px rgba(24, 26, 24, 0.18);
  overflow: hidden;
}

.system-card::before {
  position: absolute;
  top: -5rem;
  right: -5rem;
  width: 12rem;
  height: 12rem;
  border: 1px solid rgba(201, 255, 61, 0.4);
  border-radius: 50%;
  box-shadow: 0 0 0 2rem rgba(201, 255, 61, 0.03), 0 0 0 4rem rgba(201, 255, 61, 0.02);
  content: "";
}

.system-head,
.system-foot {
  position: relative;
  display: flex;
  padding: 1.2rem 1.4rem;
  border-bottom: 1px solid rgba(251, 252, 248, 0.13);
  color: #c3c6c0;
  align-items: center;
  justify-content: space-between;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.11em;
}

.status { display: inline-flex; align-items: center; gap: 0.5rem; }
.status i { width: 0.45rem; height: 0.45rem; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 0.22rem rgba(201, 255, 61, 0.13); }

.system-flow {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.system-flow::before {
  position: absolute;
  top: 2rem;
  bottom: 2rem;
  left: 2.25rem;
  width: 1px;
  background: rgba(251, 252, 248, 0.16);
  content: "";
}

.system-flow li {
  position: relative;
  display: grid;
  min-height: 5.3rem;
  padding: 1rem 1.3rem;
  border-bottom: 1px solid rgba(251, 252, 248, 0.1);
  align-items: center;
  grid-template-columns: 2.7rem 1fr auto;
  gap: 0.6rem;
  transition: background 200ms ease;
}

.system-flow li:hover { background: rgba(251, 252, 248, 0.04); }

.flow-index {
  position: relative;
  z-index: 1;
  display: grid;
  width: 1.85rem;
  height: 1.85rem;
  border: 1px solid rgba(251, 252, 248, 0.26);
  border-radius: 50%;
  background: var(--ink);
  color: #a9ada7;
  place-items: center;
  font-size: 0.6rem;
  font-weight: 800;
}

.system-flow strong { display: block; font-size: 0.86rem; letter-spacing: 0.02em; }
.system-flow small { display: block; margin-top: 0.1rem; color: #858a84; font-size: 0.68rem; }
.flow-state { color: #7f847e; font-size: 0.65rem; font-weight: 800; }
.flow-state.active { padding: 0.25rem 0.55rem; border-radius: 999px; background: var(--lime); color: var(--ink); }

.system-foot {
  border-top: 1px solid rgba(251, 252, 248, 0.04);
  border-bottom: 0;
  justify-content: flex-start;
  gap: 0.7rem;
}

.system-foot i { height: 1px; background: #535752; flex: 1; }

.principle-strip {
  position: relative;
  border-top: 1px solid var(--line);
}

.principle-strip > div {
  display: flex;
  width: min(calc(100% - 3rem), var(--max));
  min-height: 5rem;
  margin: 0 auto;
  color: #585d57;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.principle-strip i { height: 1px; background: var(--line); flex: 1; }

.section { padding: clamp(6rem, 11vw, 10rem) 0; }

.section-inner {
  width: min(calc(100% - 3rem), var(--max));
  margin: 0 auto;
}

.section-heading {
  display: grid;
  margin-bottom: clamp(4rem, 7vw, 7rem);
  grid-template-columns: minmax(180px, 0.55fr) 1.45fr;
  gap: 4rem;
}

.section-kicker > span {
  min-width: 2.2rem;
  padding: 0.15rem 0.5rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  text-align: center;
  letter-spacing: 0.02em;
}

.section-heading h2,
.transformation h2,
.about h2,
.contact h2 {
  margin: 0;
  font-size: clamp(2.6rem, 5vw, 5.1rem);
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 1.08;
}

.section-heading > div > p {
  max-width: 610px;
  margin: 1.7rem 0 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.service-list { border-top: 1px solid var(--ink); }

.service-item {
  position: relative;
  display: grid;
  min-height: 10rem;
  padding: 2.2rem 3.5rem 2.2rem 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
  grid-template-columns: 0.3fr 1.15fr 0.8fr;
  gap: 2rem;
  transition: padding 220ms ease, background 220ms ease;
}

.service-item::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--lime);
  content: "";
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 220ms ease;
}

.service-item:hover { padding-left: 1.2rem; }
.service-item:hover::before { transform: scaleY(1); }

.service-number { color: #747873; font-size: 0.72rem; font-weight: 800; }
.service-main h3 { margin: -0.25rem 0 0.75rem; font-size: clamp(1.45rem, 2.6vw, 2.1rem); letter-spacing: -0.04em; }
.service-main p { max-width: 590px; margin: 0; color: #646963; font-size: 0.9rem; }
.service-item:hover .service-main p { color: #414540; }

.service-item ul {
  display: flex;
  margin: 0;
  padding: 0;
  align-items: flex-start;
  gap: 0.45rem;
  flex-wrap: wrap;
  list-style: none;
}

.service-item li {
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #5e635d;
  font-size: 0.68rem;
  font-weight: 700;
}

.service-item:hover li { border-color: rgba(24, 26, 24, 0.3); color: var(--ink); }

.service-arrow {
  position: absolute;
  top: 2rem;
  right: 0;
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  place-items: center;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.service-item:hover .service-arrow { background: var(--ink); color: var(--white); transform: rotate(45deg); }

.transformation {
  position: relative;
  background: var(--ink);
  color: var(--white);
  overflow: hidden;
}

.transformation::after {
  position: absolute;
  right: -8rem;
  bottom: -15rem;
  width: 38rem;
  height: 38rem;
  border: 1px solid rgba(201, 255, 61, 0.17);
  border-radius: 50%;
  box-shadow: 0 0 0 5rem rgba(201, 255, 61, 0.018), 0 0 0 10rem rgba(201, 255, 61, 0.012);
  content: "";
  pointer-events: none;
}

.transformation-inner {
  position: relative;
  z-index: 1;
  display: grid;
  align-items: end;
  grid-template-columns: 1fr 0.8fr;
  gap: clamp(4rem, 10vw, 10rem);
}

.section-kicker.light { color: #b5bab3; }
.transformation-copy > p:last-child { max-width: 560px; margin: 2rem 0 0; color: #aeb2ac; }

.shift-list { border-top: 1px solid rgba(251, 252, 248, 0.18); }
.shift-list > div { display: grid; padding: 1.45rem 0; border-bottom: 1px solid rgba(251, 252, 248, 0.14); align-items: center; grid-template-columns: 1fr auto 1fr; gap: 1rem; }
.shift-list span { color: #8e938d; font-size: 0.78rem; }
.shift-list i { color: var(--lime); font-style: normal; }
.shift-list strong { color: var(--white); font-size: 0.9rem; text-align: right; }

.approach { border-bottom: 1px solid var(--line); }

.steps {
  display: grid;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--line);
  grid-template-columns: repeat(4, 1fr);
  list-style: none;
}

.steps li {
  position: relative;
  min-height: 27rem;
  padding: 1.6rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 220ms ease, transform 220ms ease;
}

.steps li:hover { background: var(--paper-soft); transform: translateY(-5px); }
.steps li:last-child { background: var(--lime); }
.steps li:last-child:hover { background: var(--lime-deep); }

.step-number { display: block; color: #696d68; font-size: 0.68rem; font-weight: 800; }

.step-icon {
  position: relative;
  width: 4.8rem;
  height: 4.8rem;
  margin: 3.5rem 0;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.step-icon i { position: absolute; top: 50%; left: 50%; width: 0.55rem; height: 0.55rem; border-radius: 50%; background: var(--ink); transform: translate(-50%, -50%); }
.step-icon i:first-child { transform: translate(-1.5rem, -1.5rem); }
.step-icon i:last-child { transform: translate(0.95rem, 0.95rem); }

.icon-route i { border-radius: 0; }
.icon-route i:nth-child(2) { width: 2.5rem; height: 1px; transform: translate(-50%, -50%) rotate(-45deg); }
.icon-build i:first-child { width: 1.7rem; height: 1.7rem; border-radius: 0.2rem; transform: translate(-1.4rem, -1.4rem); }
.icon-build i:nth-child(2) { background: var(--lime-deep); }
.icon-build i:last-child { width: 1.2rem; height: 1.2rem; border: 1px solid var(--ink); border-radius: 0.2rem; background: transparent; }
.icon-grow { border-color: rgba(24, 26, 24, 0.3); }
.icon-grow i:first-child { width: 1px; height: 2rem; border-radius: 0; transform: translate(-0.7rem, -1rem) rotate(-35deg); }
.icon-grow i:nth-child(2) { width: 1px; height: 2.8rem; border-radius: 0; transform: translate(0.5rem, -1.5rem) rotate(25deg); }

.steps h3 { margin: 0 0 0.75rem; font-size: 1.5rem; letter-spacing: -0.03em; }
.steps p { margin: 0; color: #676b66; font-size: 0.84rem; }
.steps li:last-child p { color: #414540; }
.step-tag { position: absolute; right: 1.6rem; bottom: 1.6rem; left: 1.6rem; padding-top: 1rem; border-top: 1px solid var(--line); color: #60645f; font-size: 0.68rem; font-weight: 800; }

.about-grid { display: grid; grid-template-columns: 0.55fr 1.45fr; gap: 4rem; }
.about-aside { display: flex; min-height: 100%; flex-direction: column; justify-content: space-between; }

.orbit-mark {
  position: relative;
  width: 8rem;
  height: 8rem;
  margin-top: 5rem;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.orbit-mark::before,
.orbit-mark::after { position: absolute; inset: 1.25rem; border: 1px solid var(--line); border-radius: 50%; content: ""; }
.orbit-mark::after { inset: 2.5rem; background: var(--ink); }
.orbit-mark i { position: absolute; z-index: 2; width: 0.55rem; height: 0.55rem; border-radius: 50%; background: var(--lime-deep); }
.orbit-mark i:first-child { top: 0.55rem; left: 3rem; }
.orbit-mark i:nth-child(2) { top: 3rem; right: 1.05rem; }
.orbit-mark i:nth-child(3) { bottom: 1rem; left: 1.5rem; }

.about-lead { max-width: 810px; margin: 2.2rem 0 1rem; font-size: clamp(1.15rem, 2vw, 1.45rem); font-weight: 800; line-height: 1.55; }
.about-copy > p:not(.about-lead) { max-width: 780px; margin: 0; color: var(--muted); }

.values {
  display: grid;
  margin-top: 4rem;
  border-top: 1px solid var(--ink);
  grid-template-columns: repeat(3, 1fr);
}

.values > div { display: grid; padding: 1.5rem 1.4rem 0 0; border-right: 1px solid var(--line); gap: 0.4rem; }
.values > div + div { padding-left: 1.4rem; }
.values > div:last-child { border-right: 0; }
.values span { color: #777b76; font-size: 0.65rem; font-weight: 800; }
.values strong { margin-top: 1rem; font-size: 1rem; }
.values small { color: var(--muted); font-size: 0.72rem; }

.contact {
  position: relative;
  min-height: 84svh;
  padding: clamp(6rem, 12vw, 11rem) 0 9rem;
  background: var(--ink);
  color: var(--white);
  overflow: hidden;
}

.contact-grid {
  background-image:
    linear-gradient(rgba(251, 252, 248, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(251, 252, 248, 0.045) 1px, transparent 1px);
  mask-image: radial-gradient(circle at 55% 35%, #000, transparent 72%);
}

.contact-inner {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 3rem), var(--max));
  margin: 0 auto;
}

.contact h2 { max-width: 920px; font-size: clamp(3.4rem, 7vw, 7.5rem); }
.contact-inner > p:not(.section-kicker) { max-width: 670px; margin: 2rem 0 0; color: #aeb2ac; font-size: 1rem; }
.light-link { border-color: #727771; color: var(--white); }

.contact-line {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  display: flex;
  width: min(calc(100% - 3rem), var(--max));
  min-height: 5rem;
  margin: 0 auto;
  border-top: 1px solid rgba(251, 252, 248, 0.15);
  color: #737872;
  align-items: center;
  gap: 1rem;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.contact-line i { height: 1px; background: rgba(251, 252, 248, 0.15); flex: 1; }

.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms cubic-bezier(.22, 1, .36, 1), transform 700ms cubic-bezier(.22, 1, .36, 1);
}

.js .reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-copy { padding-top: 2rem; }
  .system-card { width: min(100%, 540px); }
  .section-heading, .about-grid { grid-template-columns: 1fr; gap: 1rem; }
  .section-heading .section-kicker { margin-bottom: 1.8rem; }
  .service-item { grid-template-columns: 0.2fr 1fr; }
  .service-item ul { grid-column: 2; }
  .transformation-inner { grid-template-columns: 1fr; }
  .shift-list { max-width: 620px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .about-aside { flex-direction: row; align-items: flex-start; }
  .orbit-mark { width: 6rem; height: 6rem; margin: 0; transform: scale(0.75); transform-origin: top right; }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 4.7rem; }
  .header-inner { width: min(calc(100% - 2rem), var(--max)); min-height: 4.5rem; }
  .brand-name { font-size: 0.82rem; }
  .js .menu-toggle {
    display: inline-flex;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--paper);
    color: var(--ink);
    align-items: center;
    gap: 0.7rem;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 800;
  }
  .menu-icon { position: relative; display: block; width: 1rem; height: 0.7rem; }
  .menu-icon i { position: absolute; right: 0; left: 0; height: 1px; background: currentColor; transition: top 180ms ease, transform 180ms ease; }
  .menu-icon i:first-child { top: 0.2rem; }
  .menu-icon i:last-child { top: 0.52rem; }
  .menu-toggle[aria-expanded="true"] .menu-icon i:first-child { top: 0.36rem; transform: rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-icon i:last-child { top: 0.36rem; transform: rotate(-45deg); }
  .site-nav {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 1rem;
    left: 1rem;
    display: grid;
    padding: 0.7rem;
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: rgba(244, 245, 239, 0.98);
    box-shadow: 0 18px 40px rgba(24, 26, 24, 0.14);
    gap: 0;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  }
  .js .site-nav { opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-0.5rem); }
  .js .site-nav.open { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
  .site-nav a { padding: 0.8rem 1rem; }
  .site-nav > a:not(.nav-cta)::after { display: none; }
  .nav-cta { margin-top: 0.4rem; justify-content: space-between; }
  .hero { padding-top: 4.5rem; }
  .hero-inner, .section-inner, .contact-inner { width: min(calc(100% - 2rem), var(--max)); }
  .hero-inner { min-height: auto; padding: 5rem 0 4rem; gap: 4rem; }
  .hero h1 { font-size: clamp(3.1rem, 15vw, 4.8rem); }
  .hero-intro { font-size: 0.96rem; }
  .principle-strip > div { width: min(calc(100% - 2rem), var(--max)); min-height: 4rem; gap: 0.6rem; font-size: 0.58rem; letter-spacing: 0.05em; }
  .system-card { border-radius: 1rem; }
  .section { padding: 6rem 0; }
  .section-heading { margin-bottom: 3.5rem; }
  .section-heading h2, .transformation h2, .about h2 { font-size: clamp(2.5rem, 12vw, 3.8rem); }
  .service-item { padding: 1.7rem 3rem 1.7rem 0; grid-template-columns: 2rem 1fr; gap: 0.8rem; }
  .service-item:hover { padding-left: 0.65rem; }
  .service-item ul { margin-top: 0.5rem; }
  .service-arrow { top: 1.5rem; }
  .steps { border-left: 0; grid-template-columns: 1fr; }
  .steps li { min-height: 23rem; }
  .steps li:hover { transform: none; }
  .step-icon { margin: 2.6rem 0; }
  .about-aside { flex-direction: column; }
  .orbit-mark { display: none; }
  .values { grid-template-columns: 1fr; }
  .values > div, .values > div + div { padding: 1.2rem 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .values > div:last-child { border-bottom: 0; }
  .values strong { margin-top: 0.3rem; }
  .contact { min-height: 88svh; padding-top: 6rem; padding-bottom: 8rem; }
  .contact h2 { font-size: clamp(3rem, 14vw, 5rem); }
  .contact-line { width: min(calc(100% - 2rem), var(--max)); }
}

@media (max-width: 420px) {
  .hero-actions, .contact-actions { align-items: stretch; flex-direction: column; gap: 1rem; }
  .button { width: 100%; justify-content: space-between; }
  .text-link { align-self: flex-start; }
  .system-flow li { padding-right: 1rem; padding-left: 1rem; grid-template-columns: 2.4rem 1fr auto; }
  .system-flow::before { left: 1.92rem; }
  .principle-strip i { display: none; }
  .principle-strip > div { justify-content: space-between; }
  .shift-list > div { grid-template-columns: 1fr auto 1fr; }
  .contact-line span:first-child { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}