:root {
  --navy: #08284a;
  --navy-deep: #061d35;
  --blue: #0b4d92;
  --ink: #0b2340;
  --body: #3e4b5d;
  --muted: #6e7887;
  --line: #d8dee6;
  --surface: #f4f6f8;
  --white: #ffffff;
  --serif: "Libre Baskerville", Georgia, serif;
  --sans: "DM Sans", Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--body);
  background: var(--white);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

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

button {
  font: inherit;
}

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

ul {
  list-style: none;
}

.shell {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.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: 200;
  padding: 10px 14px;
  color: var(--white);
  background: var(--navy);
  transform: translateY(-150%);
}

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

:focus-visible {
  outline: 3px solid #6eb4ff;
  outline-offset: 3px;
}

section {
  scroll-margin-top: 76px;
}

.eyebrow {
  margin-bottom: 16px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.09em;
  line-height: 1.2;
  text-transform: uppercase;
}

.eyebrow--light {
  color: #b9d7f3;
}

h1,
h2 {
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 400;
}

h1 {
  max-width: 690px;
  font-size: clamp(42px, 5vw, 67px);
  letter-spacing: -0.04em;
  line-height: 1.13;
}

h2 {
  font-size: clamp(30px, 3.4vw, 45px);
  letter-spacing: -0.035em;
  line-height: 1.2;
}

h3 {
  color: var(--ink);
  font-size: 17px;
  line-height: 1.35;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 13px 24px;
  border: 1px solid var(--navy);
  border-radius: 2px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.25;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button--primary {
  color: var(--white);
  background: var(--navy);
}

.button--primary:hover {
  background: var(--blue);
  border-color: var(--blue);
}

.button--secondary {
  color: var(--navy);
  background: var(--white);
}

.button--secondary:hover {
  color: var(--white);
  background: var(--navy);
}

.button--light {
  color: var(--navy);
  background: var(--white);
  border-color: var(--white);
}

.button--light:hover {
  color: var(--white);
  background: transparent;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  color: var(--white);
  background: var(--navy-deep);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.site-header__inner {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.wordmark {
  color: var(--white);
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.site-nav a {
  padding: 27px 0 23px;
  color: rgba(255, 255, 255, 0.86);
  border-bottom: 2px solid transparent;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.8;
}

.site-nav a:hover,
.site-nav a[aria-current="true"] {
  color: var(--white);
  border-bottom-color: var(--white);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 7px;
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  cursor: pointer;
}

.menu-button__line {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
}

.hero {
  display: grid;
  min-height: 600px;
  grid-template-columns: minmax(0, 1.1fr) minmax(420px, 0.9fr);
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.hero__copy {
  display: flex;
  max-width: 720px;
  justify-self: end;
  flex-direction: column;
  justify-content: center;
  padding: 80px 68px 72px 48px;
}

.hero__lede {
  max-width: 660px;
  margin-top: 26px;
  font-size: 17px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 31px;
}

.hero__location {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 30px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
}

.hero__location i {
  color: var(--blue);
  font-size: 22px;
}

.hero__note {
  max-width: 610px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.hero__visual {
  position: relative;
  min-height: 600px;
  overflow: hidden;
  background: #dbe4ec;
}

.hero__visual img {
  height: 100%;
  object-fit: cover;
  object-position: 63% center;
}

.hero__visual figcaption {
  position: absolute;
  right: 18px;
  bottom: 16px;
  padding: 6px 9px;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(6, 29, 53, 0.78);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.section {
  padding: 86px 0;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 48px;
}

.section-heading--center {
  margin-inline: auto;
  text-align: center;
}

.section-intro {
  max-width: 760px;
  margin-top: 20px;
  color: var(--body);
}

.categories {
  background: var(--white);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.category-card {
  display: flex;
  min-height: 300px;
  align-items: flex-start;
  flex-direction: column;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.category-card > i {
  margin: 32px 0 20px;
  color: var(--navy);
  font-size: 42px;
  line-height: 1;
}

.category-card h3 {
  font-size: 19px;
}

.category-card p {
  margin-top: 12px;
  font-size: 14px;
}

.category-card--link {
  transition: border-color 160ms ease, transform 160ms ease;
}

.category-card--link:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
}

.category-card__action {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: auto;
  padding-top: 24px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
}

.status-badge {
  display: inline-flex;
  padding: 6px 9px;
  color: #445063;
  background: #e3e8ee;
  border-radius: 2px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  line-height: 1.2;
  text-transform: uppercase;
}

.status-badge--active {
  color: #0a3d70;
  background: #d9eafb;
}

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

.service-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.service {
  position: relative;
  min-height: 246px;
  padding: 8px 28px 4px;
  text-align: center;
  border-right: 1px solid var(--line);
}

.service:first-child {
  border-left: 1px solid var(--line);
}

.service i {
  display: block;
  margin-bottom: 20px;
  color: var(--navy);
  font-size: 42px;
  font-weight: 400;
  line-height: 1;
}

.service__number {
  position: absolute;
  top: 2px;
  right: 14px;
  color: #a8b2bf;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.service h3 {
  min-height: 46px;
}

.service p {
  margin-top: 12px;
  color: var(--body);
  font-size: 14px;
  line-height: 1.55;
}

.featured {
  background: var(--white);
}

.featured__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  align-items: center;
  gap: 76px;
}

.featured__copy h2 {
  margin-bottom: 26px;
}

.featured__intro {
  margin-bottom: 23px;
}

.feature-list {
  display: grid;
  gap: 11px;
  margin-bottom: 28px;
  color: var(--ink);
}

.feature-list li {
  position: relative;
  padding-left: 20px;
}

.feature-list li::before {
  position: absolute;
  top: 0;
  left: 0;
  color: var(--blue);
  content: "•";
}

.disclosure {
  padding-top: 20px;
  border-top: 1px solid #aeb7c2;
  color: var(--body);
  font-size: 13px;
}

.product-placeholder {
  display: flex;
  min-height: 420px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  padding: 42px;
  color: #747f8c;
  background: var(--surface);
  border: 1px dashed #97a3b1;
  text-align: center;
}

.product-placeholder i {
  font-size: 56px;
  line-height: 1;
}

.product-placeholder strong {
  color: #4b5664;
  font-size: 19px;
}

.product-placeholder span {
  max-width: 330px;
  font-size: 13px;
}

.product-test__cta {
  margin-top: 28px;
}

.chongqing {
  color: #dbe5ef;
  background: var(--navy-deep);
}

.chongqing__inner {
  max-width: 860px;
}

.chongqing h2 {
  color: var(--white);
}

.chongqing p:last-child {
  max-width: 760px;
  margin-top: 24px;
  font-size: 17px;
}

.subpage-hero {
  color: var(--body);
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.subpage-hero__inner {
  padding-block: 94px 82px;
}

.subpage-hero__inner > p:not(.eyebrow) {
  max-width: 720px;
  margin-top: 24px;
  font-size: 17px;
}

.subpage-hero__inner .category-disclosure {
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.why {
  background: var(--surface);
  border-block: 1px solid var(--line);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.value {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 18px;
  padding: 4px 34px;
  border-right: 1px solid var(--line);
}

.value:last-child {
  border-right: 0;
}

.value i {
  color: var(--navy);
  font-size: 50px;
  line-height: 1;
}

.value p {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.55;
}

.about {
  background: var(--white);
}

.about__grid {
  display: grid;
  max-width: 1080px;
  grid-template-columns: 270px 1fr;
  align-items: stretch;
  gap: 68px;
}

.founder-mark {
  display: flex;
  min-height: 310px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: var(--white);
  background: var(--navy);
  border: 10px solid var(--surface);
}

.founder-mark span {
  font-family: var(--serif);
  font-size: 76px;
  letter-spacing: -0.06em;
  line-height: 1;
}

.founder-mark small {
  margin-top: 18px;
  color: #c7d9ea;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.about__copy {
  align-self: center;
}

.about__copy h2 {
  margin-bottom: 24px;
}

.about__copy > p {
  margin-bottom: 20px;
}

.about__transparency {
  padding-left: 18px;
  border-left: 3px solid var(--blue);
  font-size: 14px;
}

.founder-name {
  display: flex;
  flex-direction: column;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--ink);
}

.founder-name strong {
  font-size: 16px;
}

.founder-name span {
  color: var(--body);
  font-size: 13px;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
}

.contact__intro,
.contact__details {
  padding: 76px max(48px, calc((100vw - 1180px) / 2));
}

.contact__intro {
  display: flex;
  justify-content: flex-end;
  color: #dbe5ef;
  background: var(--navy-deep);
}

.contact__intro > div {
  width: min(500px, 100%);
}

.contact__intro h2 {
  max-width: 480px;
  color: var(--white);
}

.contact__intro p:not(.eyebrow) {
  max-width: 500px;
  margin: 22px 0 20px;
  font-size: 15px;
}

.inquiry-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 22px;
  margin-bottom: 30px;
  color: var(--white);
  font-size: 13px;
}

.inquiry-list li {
  position: relative;
  padding-left: 15px;
}

.inquiry-list li::before {
  position: absolute;
  top: 0;
  left: 0;
  color: #8fc0ec;
  content: "•";
}

.contact__details {
  display: flex;
  align-items: center;
  background: var(--surface);
}

.contact__details address {
  width: min(540px, 100%);
  font-style: normal;
}

.contact-row {
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  gap: 18px;
  padding: 18px 0;
  color: var(--ink);
  border-bottom: 1px solid #cdd4dd;
}

a.contact-row:hover strong {
  color: var(--blue);
}

.contact-row i {
  color: var(--navy);
  font-size: 29px;
}

.contact-row p {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.contact-row span {
  color: var(--muted);
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-row strong {
  overflow-wrap: anywhere;
  font-size: 14px;
  font-style: normal;
  transition: color 160ms ease;
}

.contact-row small {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 18px;
  padding: 22px 24px;
  color: #d2dfeb;
  background: var(--navy-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 12px;
  text-align: center;
}

.reveal-ready .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 520ms ease, transform 520ms ease;
}

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

@media (max-width: 1020px) {
  .site-nav {
    gap: 20px;
  }

  .hero {
    grid-template-columns: 1fr 0.75fr;
  }

  .hero__copy {
    padding-right: 40px;
  }

  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--line);
  }

  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service {
    min-height: 220px;
    padding: 30px;
    border-bottom: 1px solid var(--line);
  }

  .service:nth-child(odd) {
    border-left: 1px solid var(--line);
  }

  .featured__grid {
    gap: 46px;
  }

  .value {
    grid-template-columns: 48px 1fr;
    padding-inline: 20px;
  }

  .value i {
    font-size: 42px;
  }
}

@media (max-width: 820px) {
  .shell {
    width: min(100% - 36px, 680px);
  }

  .menu-button {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 76px;
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 10px 18px 18px;
    color: var(--ink);
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 24px rgba(6, 29, 53, 0.12);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 13px 8px;
    color: var(--ink);
    border-bottom: 1px solid var(--line);
  }

  .site-nav a:hover,
  .site-nav a[aria-current="true"] {
    color: var(--blue);
    border-bottom-color: var(--blue);
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .hero__copy {
    width: min(100% - 36px, 680px);
    max-width: none;
    margin-inline: auto;
    padding: 66px 0 56px;
  }

  .hero__visual {
    min-height: 390px;
  }

  .featured__grid,
  .about__grid,
  .contact {
    grid-template-columns: 1fr;
  }

  .featured__copy {
    max-width: 680px;
  }

  .product-placeholder {
    min-height: 360px;
  }

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

  .value {
    padding: 24px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .value:last-child {
    border-bottom: 0;
  }

  .about__grid {
    max-width: 680px;
    gap: 38px;
  }

  .founder-mark {
    min-height: 250px;
  }

  .contact__intro,
  .contact__details {
    padding: 64px max(18px, calc((100vw - 680px) / 2));
  }

  .contact__intro {
    justify-content: flex-start;
  }
}

@media (max-width: 560px) {
  .shell {
    width: calc(100% - 32px);
  }

  .site-header__inner {
    min-height: 68px;
  }

  .wordmark {
    font-size: 17px;
  }

  .site-nav {
    top: 68px;
  }

  h1 {
    font-size: clamp(38px, 12vw, 48px);
  }

  .hero__copy {
    width: calc(100% - 32px);
    padding-block: 54px 46px;
  }

  .hero__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero__visual {
    min-height: 280px;
  }

  .section {
    padding: 68px 0;
  }

  .section-heading {
    margin-bottom: 36px;
  }

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

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

  .category-card {
    min-height: 0;
  }

  .service,
  .service:first-child,
  .service:nth-child(odd) {
    min-height: 0;
    padding: 28px 22px;
    border-right: 1px solid var(--line);
    border-left: 1px solid var(--line);
  }

  .featured__grid {
    gap: 36px;
  }

  .product-placeholder {
    min-height: 290px;
  }

  .about__grid {
    gap: 30px;
  }

  .founder-mark {
    min-height: 220px;
  }

  .contact__intro,
  .contact__details {
    padding: 56px 16px;
  }

  .contact-row {
    grid-template-columns: 36px 1fr;
    gap: 12px;
  }

  .contact-row i {
    font-size: 25px;
  }

  .inquiry-list {
    grid-template-columns: 1fr;
  }

  .site-footer {
    align-items: center;
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }

  .reveal-ready .reveal {
    opacity: 1;
    transform: none;
  }
}