:root {
  color-scheme: light;
  --ink: #101918;
  --ink-soft: #34413e;
  --muted-text: #66716d;
  --jade: #0b6b5e;
  --jade-strong: #0a5d52;
  --mint: #56c6ad;
  --coral: #e54b4b;
  --coral-text: #c7353d;
  --paper: #f5f7f6;
  --surface: #ffffff;
  --line: #d8dedb;
  --line-strong: #b8c3bf;
  --shadow: 0 18px 48px rgba(16, 25, 24, 0.09);
  --header-height: 76px;
  --container: 1240px;
  --font-sans: "IBM Plex Sans", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

body[data-theme="dark"] {
  color-scheme: dark;
  --ink: #f3f7f5;
  --ink-soft: #cad4d0;
  --muted-text: #a9b5b1;
  --jade: #56c6ad;
  --jade-strong: #74d8c0;
  --mint: #77d8c1;
  --coral: #ff7773;
  --coral-text: #ff918d;
  --paper: #0c1110;
  --surface: #141c1a;
  --line: #2a3733;
  --line-strong: #4a5c56;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: 0;
  transition: background-color 180ms ease, color 180ms ease;
}

body.locale-zh-CN {
  --font-locale: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

body.locale-zh-HK {
  --font-locale: "Noto Sans HK", "PingFang HK", "Microsoft JhengHei", sans-serif;
}

body.locale-ja {
  --font-locale: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
}

body.locale-ko {
  --font-locale: "Noto Sans KR", "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
}

body[class*="locale-"] [data-copy] {
  font-family: var(--font-locale, var(--font-sans));
}

img {
  display: block;
  max-width: 100%;
}

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

button,
select {
  font: inherit;
  letter-spacing: 0;
}

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

:focus-visible {
  outline: 3px solid var(--mint);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-160%);
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  backdrop-filter: blur(14px);
}

.topbar-inner {
  width: min(calc(100% - 48px), var(--container));
  height: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 210px minmax(360px, 1fr) auto;
  align-items: center;
  gap: 28px;
}

.brand-link {
  width: 174px;
}

.brand-logo {
  width: 174px;
  height: auto;
}

.primary-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
  min-width: 0;
}

.primary-nav a,
.login-link {
  position: relative;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}

.primary-nav a::after,
.login-link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 2px;
  background: var(--jade);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.primary-nav a:hover::after,
.login-link:hover::after {
  transform: scaleX(1);
}

.topbar-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
}

.language-control select {
  min-width: 92px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 30px 0 10px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 0 21px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.button-small {
  min-height: 42px;
  padding: 0 16px;
  font-size: 14px;
}

.button-primary {
  background: var(--jade-strong);
  color: #ffffff;
}

body[data-theme="dark"] .button-primary {
  background: var(--mint);
  color: #0c1110;
}

.button-primary:hover {
  background: var(--ink);
  color: var(--paper);
}

.button-secondary {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--ink);
}

.button-secondary:hover {
  border-color: var(--jade);
  color: var(--jade);
}

.button-mint {
  background: #56c6ad;
  color: #0c1110;
}

.button-mint:hover {
  background: #f3f7f5;
}

.menu-toggle,
.mobile-menu {
  display: none;
}

.hero {
  position: relative;
  min-height: min(780px, calc(100dvh - 128px));
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(calc(100% - 48px), var(--container));
  min-height: inherit;
  margin: 0 auto;
  display: flex;
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 4;
  width: min(610px, 52%);
  padding: 84px 0 92px;
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--jade);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 690px;
  margin: 0;
  font-size: 64px;
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: 0;
  text-wrap: balance;
}

.hero-description {
  max-width: 610px;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: 20px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.brand-signature {
  margin: 30px 0 0;
  color: var(--muted-text);
  font-family: var(--font-mono);
  font-size: 13px;
}

.hero-lines {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.line {
  position: absolute;
  display: block;
  background: var(--line);
  opacity: 0.58;
}

.line-v {
  top: 0;
  bottom: 0;
  width: 1px;
}

.line-h {
  right: 0;
  left: 0;
  height: 1px;
}

.line-v-one {
  left: 11%;
}

.line-v-two {
  left: 50%;
}

.line-v-three {
  left: 86%;
}

.line-h-one {
  top: 22%;
}

.line-h-two {
  top: 57%;
}

.line-h-three {
  top: 84%;
}

.infrastructure-scene {
  position: absolute;
  top: 50%;
  right: 0;
  width: 590px;
  height: 500px;
  transform: translateY(-50%);
}

.scene-node,
.api-node,
.capability {
  position: absolute;
  z-index: 3;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.scene-node {
  top: 216px;
  left: 0;
  width: 152px;
  padding: 16px;
}

.node-kicker {
  display: block;
  margin-bottom: 5px;
  color: var(--muted-text);
  font-family: var(--font-mono);
  font-size: 10px;
}

.scene-node strong,
.api-node strong {
  display: block;
  font-size: 17px;
  line-height: 1.2;
}

.api-node {
  top: 190px;
  left: 205px;
  width: 178px;
  min-height: 106px;
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  gap: 12px;
  padding: 18px;
  border-color: var(--jade);
}

.api-node img {
  width: 42px;
}

.live-status {
  position: absolute;
  top: 11px;
  right: 11px;
  color: var(--jade);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
}

.live-status::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 5px;
  border-radius: 50%;
  background: var(--mint);
}

.capability-stack {
  position: absolute;
  top: 58px;
  right: 0;
  width: 164px;
  height: 384px;
}

.capability {
  right: 0;
  width: 164px;
  min-height: 64px;
  display: grid;
  grid-template-columns: 30px 1fr;
  align-items: center;
  gap: 8px;
  padding: 12px;
  box-shadow: 0 10px 24px rgba(16, 25, 24, 0.07);
}

.capability span {
  color: var(--coral-text);
  font-family: var(--font-mono);
  font-size: 11px;
}

.capability strong {
  font-size: 13px;
  line-height: 1.2;
}

.capability-one {
  top: 0;
}

.capability-two {
  top: 98px;
}

.capability-three {
  top: 196px;
}

.capability-four {
  top: 294px;
}

.scene-track {
  position: absolute;
  z-index: 1;
  height: 1px;
  background: var(--line-strong);
}

.track-input {
  top: 246px;
  left: 152px;
  width: 53px;
}

.track-one,
.track-two,
.track-three,
.track-four {
  left: 383px;
  width: 45px;
}

.track-one {
  top: 90px;
}

.track-two {
  top: 188px;
}

.track-three {
  top: 286px;
}

.track-four {
  top: 384px;
}

.track-one::before,
.track-two::before,
.track-three::before,
.track-four::before {
  content: "";
  position: absolute;
  left: 0;
  width: 1px;
  background: var(--line-strong);
}

.track-one::before {
  top: 0;
  height: 156px;
}

.track-two::before {
  top: 0;
  height: 58px;
}

.track-three::before {
  bottom: 0;
  height: 40px;
}

.track-four::before {
  bottom: 0;
  height: 138px;
}

.data-signal {
  position: absolute;
  z-index: 2;
  width: 9px;
  height: 9px;
  border: 2px solid var(--paper);
  border-radius: 2px;
  background: var(--coral);
}

.signal-one {
  top: 242px;
  left: 158px;
  animation: signal-in 2.8s ease-in-out infinite;
}

.signal-two {
  top: 282px;
  left: 396px;
  background: var(--mint);
  animation: signal-out 3.4s ease-in-out infinite;
}

@keyframes signal-in {
  0%,
  18% {
    transform: translateX(0);
    opacity: 0;
  }
  28%,
  70% {
    opacity: 1;
  }
  82%,
  100% {
    transform: translateX(38px);
    opacity: 0;
  }
}

@keyframes signal-out {
  0%,
  10% {
    transform: translate(0, 0);
    opacity: 0;
  }
  22%,
  76% {
    opacity: 1;
  }
  90%,
  100% {
    transform: translate(30px, -94px);
    opacity: 0;
  }
}

.proof-band {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.proof-inner {
  width: min(calc(100% - 48px), var(--container));
  min-height: 112px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(130px, 170px)) minmax(220px, 1fr);
  align-items: center;
  gap: 30px;
}

.proof-inner > div {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 10px;
}

.proof-inner strong {
  color: var(--jade);
  font-size: 27px;
  line-height: 1;
}

.proof-inner span,
.proof-inner p {
  color: var(--muted-text);
  font-size: 13px;
}

.proof-inner p {
  justify-self: end;
  max-width: 330px;
  margin: 0;
  text-align: right;
}

.section {
  width: min(calc(100% - 48px), var(--container));
  margin: 0 auto;
  padding: 112px 0;
}

.brand-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 40px;
  padding-bottom: 70px;
}

.section-heading {
  max-width: 760px;
}

.section-heading.compact {
  max-width: 620px;
}

.section-heading .eyebrow {
  margin-bottom: 14px;
}

.section-heading h2,
.developer-copy h2,
.contact-band h2 {
  margin: 0;
  font-size: 46px;
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: 0;
  text-wrap: balance;
}

.section-heading > p:last-child,
.developer-copy > p:not(.eyebrow) {
  max-width: 680px;
  margin: 22px 0 0;
  color: var(--muted-text);
  font-size: 18px;
}

.theme-switcher {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted-text);
  font-size: 13px;
}

.segmented-control {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
}

.segmented-control button {
  min-width: 72px;
  min-height: 38px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--muted-text);
  cursor: pointer;
}

.segmented-control button.is-active {
  background: var(--ink);
  color: var(--paper);
}

.concept-section {
  padding-top: 40px;
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 44px;
}

.concept-card {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.concept-recommended {
  border-color: var(--jade);
}

.concept-status {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 5px 8px;
  border-radius: 4px;
  background: var(--jade-strong);
  color: #ffffff;
  font-size: 11px;
  font-weight: 600;
}

.logo-stage {
  min-height: 210px;
  display: flex;
  align-items: center;
  padding: 56px 28px 34px;
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.logo-stage img {
  width: 100%;
  max-height: 72px;
}

.concept-copy {
  padding: 28px;
}

.concept-copy > span {
  color: var(--coral-text);
  font-family: var(--font-mono);
  font-size: 12px;
}

.concept-copy h3 {
  margin: 7px 0 12px;
  font-size: 25px;
  font-weight: 600;
}

.concept-copy p,
.concept-copy li {
  color: var(--muted-text);
  font-size: 14px;
}

.concept-copy p {
  min-height: 88px;
  margin: 0;
}

.concept-copy ul {
  margin: 22px 0 0;
  padding: 18px 0 0 18px;
  border-top: 1px solid var(--line);
}

.concept-copy li + li {
  margin-top: 7px;
}

.system-section {
  padding-top: 70px;
}

.swatch-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr 0.85fr 0.75fr 0.7fr;
  min-height: 290px;
  margin-top: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.swatch {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-width: 0;
  padding: 22px;
}

.swatch span {
  font-size: 14px;
  font-weight: 600;
}

.swatch code {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
}

.swatch-ink {
  background: #101918;
  color: #f5f7f6;
}

.swatch-jade {
  background: #0b6b5e;
  color: #ffffff;
}

.swatch-mint {
  background: #56c6ad;
  color: #101918;
}

.swatch-coral {
  background: #e54b4b;
  color: #101918;
}

.swatch-paper {
  background: #f5f7f6;
  color: #101918;
}

.type-section {
  padding-top: 70px;
}

.language-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 44px;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
}

.language-tabs button {
  min-height: 48px;
  flex: 0 0 auto;
  border: 0;
  border-bottom: 3px solid transparent;
  padding: 0 16px;
  background: transparent;
  color: var(--muted-text);
  cursor: pointer;
}

.language-tabs button[aria-selected="true"] {
  border-bottom-color: var(--jade);
  color: var(--ink);
  font-weight: 600;
}

.type-specimen {
  min-height: 360px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 54px 0 20px;
}

.type-specimen > p:first-child {
  margin: 0 0 18px;
  color: var(--jade);
  font-family: var(--font-mono);
  font-size: 12px;
}

.type-specimen h3 {
  max-width: 900px;
  margin: 0;
  font-size: 58px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0;
  text-wrap: balance;
}

.type-specimen > p:not(:first-child) {
  max-width: 720px;
  margin: 24px 0;
  color: var(--muted-text);
  font-size: 18px;
}

.type-specimen code {
  color: var(--coral-text);
  font-family: var(--font-mono);
  font-size: 13px;
}

.developer-band {
  background: #0c1110;
  color: #f3f7f5;
}

.developer-inner {
  width: min(calc(100% - 48px), var(--container));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 78px;
  padding: 112px 0;
}

.developer-copy .eyebrow {
  color: #56c6ad;
}

.developer-copy > p:not(.eyebrow) {
  color: #a9b5b1;
}

.developer-copy .button {
  margin-top: 30px;
}

.code-window {
  overflow: hidden;
  border: 1px solid #2a3733;
  border-radius: 8px;
  background: #141c1a;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
}

.code-window-bar {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid #2a3733;
  color: #a9b5b1;
  font-family: var(--font-mono);
  font-size: 11px;
}

.code-status {
  color: #77d8c1;
}

.code-status::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: #77d8c1;
}

.code-window pre {
  margin: 0;
  padding: 30px;
  overflow: auto;
  color: #f3f7f5;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.9;
}

.code-keyword {
  color: #77d8c1;
}

.code-muted {
  color: #6f7e79;
}

.contact-band {
  width: min(calc(100% - 48px), var(--container));
  min-height: 300px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
}

.contact-band .eyebrow {
  margin-bottom: 12px;
}

.footer {
  width: min(calc(100% - 48px), var(--container));
  min-height: 118px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-top: 1px solid var(--line);
  color: var(--muted-text);
  font-size: 12px;
}

.footer img {
  width: 152px;
}

@media (max-width: 1120px) {
  .topbar-inner {
    grid-template-columns: 176px 1fr auto;
    gap: 18px;
  }

  .primary-nav {
    gap: 18px;
  }

  .language-control,
  .login-link {
    display: none;
  }

  .hero h1 {
    font-size: 54px;
  }

  .hero-copy {
    width: 52%;
  }

  .infrastructure-scene {
    right: -72px;
    transform: translateY(-50%) scale(0.88);
  }

  .proof-inner {
    grid-template-columns: repeat(3, minmax(120px, 1fr));
  }

  .proof-inner p {
    display: none;
  }

  .concept-grid {
    grid-template-columns: 1fr 1fr;
  }

  .concept-card:last-child {
    grid-column: 1 / -1;
  }

  .concept-card:last-child .logo-stage {
    justify-content: center;
  }

  .concept-card:last-child .logo-stage img {
    max-width: 420px;
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 68px;
  }

  .topbar-inner {
    width: min(calc(100% - 32px), var(--container));
    grid-template-columns: 1fr auto;
  }

  .brand-link,
  .brand-logo {
    width: 154px;
  }

  .primary-nav,
  .topbar-actions {
    display: none;
  }

  .menu-toggle {
    width: 48px;
    height: 48px;
    display: grid;
    place-content: center;
    gap: 7px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--surface);
    cursor: pointer;
  }

  .menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--ink);
    transition: transform 180ms ease;
  }

  .menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(4.5px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-4.5px) rotate(-45deg);
  }

  .mobile-menu {
    position: absolute;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: grid;
    gap: 0;
    padding: 12px 16px 20px;
    border-bottom: 1px solid var(--line);
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .mobile-menu[hidden] {
    display: none;
  }

  .mobile-menu a:not(.button) {
    min-height: 50px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--line);
  }

  .mobile-language-control {
    min-height: 58px;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid var(--line);
    color: var(--muted-text);
    font-size: 13px;
  }

  .mobile-language-control select {
    width: 100%;
    height: 42px;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 0 30px 0 10px;
    background: var(--paper);
    color: var(--ink);
  }

  .mobile-menu .button {
    margin-top: 14px;
  }

  .hero {
    min-height: calc(100dvh - 104px);
  }

  .hero-inner {
    width: min(calc(100% - 32px), var(--container));
    min-height: 0;
    display: block;
    padding: 64px 0 48px;
  }

  .hero-copy {
    width: 100%;
    padding: 0;
  }

  .hero h1 {
    max-width: 690px;
    font-size: 48px;
  }

  .hero-description {
    font-size: 18px;
  }

  .infrastructure-scene {
    position: relative;
    top: auto;
    right: auto;
    width: 590px;
    height: 430px;
    margin: 40px auto -20px;
    transform: scale(0.9);
    transform-origin: top left;
  }

  .brand-intro {
    display: block;
  }

  .theme-switcher {
    margin-top: 34px;
  }

  .swatch-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .swatch {
    min-height: 150px;
  }

  .swatch-ink {
    grid-column: 1 / -1;
  }

  .developer-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 640px) {
  .hero {
    min-height: 0;
  }

  .hero-inner,
  .proof-inner,
  .section,
  .developer-inner,
  .contact-band,
  .footer {
    width: min(calc(100% - 32px), var(--container));
  }

  .hero-inner {
    padding: 34px 0 0;
  }

  .hero h1 {
    font-size: 39px;
    line-height: 1.08;
  }

  .hero-description {
    margin-top: 18px;
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-top: 22px;
  }

  .hero-actions .button {
    width: 100%;
    padding: 0 12px;
  }

  .brand-signature {
    margin-top: 16px;
  }

  .infrastructure-scene {
    left: 50%;
    width: 590px;
    height: 240px;
    margin: 18px 0 -24px;
    transform: translateX(-50%) scale(0.5);
    transform-origin: top center;
  }

  .proof-inner {
    min-height: 128px;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .proof-inner > div {
    display: block;
    text-align: left;
  }

  .proof-inner strong,
  .proof-inner span {
    display: block;
  }

  .proof-inner strong {
    margin-bottom: 7px;
    font-size: 22px;
  }

  .proof-inner span {
    font-size: 11px;
    line-height: 1.3;
  }

  .section {
    padding: 82px 0;
  }

  .brand-intro {
    padding-bottom: 46px;
  }

  .section-heading h2,
  .developer-copy h2,
  .contact-band h2 {
    font-size: 34px;
  }

  .section-heading > p:last-child,
  .developer-copy > p:not(.eyebrow) {
    font-size: 16px;
  }

  .theme-switcher {
    justify-content: space-between;
  }

  .concept-grid {
    grid-template-columns: 1fr;
  }

  .concept-card:last-child {
    grid-column: auto;
  }

  .logo-stage {
    min-height: 176px;
  }

  .concept-copy {
    padding: 24px;
  }

  .concept-copy p {
    min-height: 0;
  }

  .swatch-grid {
    min-height: 0;
    grid-template-columns: 1fr 1fr;
  }

  .swatch {
    min-height: 130px;
    padding: 18px;
  }

  .swatch-paper {
    grid-column: 1 / -1;
  }

  .type-specimen {
    min-height: 330px;
    padding-top: 44px;
  }

  .type-specimen h3 {
    font-size: 39px;
  }

  .developer-inner {
    padding: 82px 0;
  }

  .code-window pre {
    padding: 22px;
    font-size: 11px;
  }

  .contact-band {
    min-height: 330px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 28px;
  }

  .contact-band .button {
    width: 100%;
  }

  .footer {
    min-height: 150px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }
}

@media (max-width: 380px) {
  .hero-inner {
    padding-top: 24px;
  }

  .hero h1 {
    font-size: 35px;
  }

  .hero-actions {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .hero-actions .button {
    font-size: 13px;
  }

  .brand-signature {
    display: none;
  }

  .infrastructure-scene {
    height: 210px;
    margin: 12px 0 -28px;
    transform: translateX(-50%) scale(0.42);
  }

  .proof-inner span {
    font-size: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}