:root {
  --ink: #111512;
  --ink-soft: #242a26;
  --paper: #ffffff;
  --surface: #f1f3ef;
  --surface-strong: #e6e9e3;
  --line: #d9ddd6;
  --muted: #667069;
  --accent: #45d97a;
  --accent-dark: #0c4b2a;
  --white: #ffffff;
  --shell: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "SF Pro Display", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.6;
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

.shell {
  width: min(calc(100% - 64px), var(--shell));
  margin: 0 auto;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 8px 12px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-160%);
}

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

.topbar {
  color: #cbd1cc;
  font-size: 12px;
  background: var(--ink);
}

.topbar-inner {
  display: flex;
  min-height: 34px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.topbar a {
  color: var(--white);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(17, 21, 18, 0.08);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  min-height: 76px;
  align-items: center;
  gap: 32px;
}

.brand {
  display: flex;
  min-width: 250px;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 58px;
  height: 58px;
  flex: 0 0 58px;
  object-fit: contain;
}

.brand-name strong,
.brand-name small {
  display: block;
  line-height: 1.3;
}

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

.brand-name small {
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  margin-left: auto;
  color: #343b36;
  font-size: 14px;
}

.site-nav a {
  position: relative;
  padding: 27px 0 25px;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 17px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.language-link {
  display: inline-grid;
  width: 38px;
  height: 34px;
  place-items: center;
  flex: 0 0 38px;
  border: 1px solid var(--line);
  border-radius: 3px;
  font-size: 11px;
  font-weight: 800;
}

.language-link:hover,
.language-link:focus-visible {
  border-color: var(--ink);
}

.header-call {
  display: grid;
  min-width: 152px;
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

.header-call span {
  color: var(--muted);
  font-size: 11px;
}

.header-call strong {
  font-size: 14px;
  line-height: 1.3;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 23px;
  height: 2px;
  margin: 6px auto;
  background: var(--ink);
  transition: transform 180ms ease;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.hero {
  position: relative;
  height: min(680px, calc(100svh - 142px));
  min-height: 560px;
  overflow: hidden;
  color: var(--white);
  background: #1b271e;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  background: linear-gradient(90deg, rgba(10, 17, 12, 0.94) 0%, rgba(10, 17, 12, 0.78) 32%, rgba(10, 17, 12, 0.28) 64%, rgba(10, 17, 12, 0.06) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  height: 100%;
  flex-direction: column;
  justify-content: center;
  padding-top: 24px;
  padding-bottom: 24px;
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: #e8ece9;
  font-size: 13px;
  font-weight: 700;
}

.hero-kicker span {
  width: 38px;
  height: 2px;
  background: var(--accent);
}

.hero h1 {
  max-width: 700px;
  margin: 0;
  font-size: 72px;
  line-height: 1.05;
  letter-spacing: 0;
}

.hero-summary {
  max-width: 580px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 700;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button-accent {
  color: #072313;
  background: var(--accent);
}

.button-accent:hover {
  background: #64e891;
}

.button-ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(17, 21, 18, 0.18);
}

.button-ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 38px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
}

.hero-facts span {
  padding: 0 16px;
  border-left: 1px solid rgba(255, 255, 255, 0.24);
}

.hero-facts span:first-child {
  padding-left: 0;
  border-left: 0;
}

.capability-strip {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.capability-grid article {
  display: grid;
  min-height: 132px;
  grid-template-columns: 36px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  padding: 24px 28px;
  border-left: 1px solid var(--line);
}

.capability-grid article:last-child {
  border-right: 1px solid var(--line);
}

.capability-grid article > span {
  align-self: start;
  padding-top: 6px;
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 800;
}

.capability-grid strong {
  display: block;
  margin-bottom: 3px;
  font-size: 16px;
}

.capability-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.section {
  padding: 104px 0;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.55fr);
  align-items: end;
  gap: 64px;
  margin-bottom: 42px;
}

.section-label {
  margin: 0 0 12px;
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 800;
}

.section-head h2,
.about h2,
.support h2,
.service-intro h2,
.contact h2 {
  margin: 0;
  font-size: 48px;
  line-height: 1.16;
  letter-spacing: 0;
}

.section-head > p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.products {
  background: var(--surface);
}

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

.product-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  transition: border-color 180ms ease, transform 180ms ease;
}

.product-card:hover {
  border-color: #aeb6ae;
  transform: translateY(-3px);
}

.product-card-wide {
  grid-column: span 2;
  grid-row: span 2;
}

.product-media {
  display: grid;
  height: 246px;
  place-items: center;
  padding: 24px;
  overflow: hidden;
  background: #f8f9f7;
}

.product-card-wide .product-media {
  height: 544px;
  padding: 36px;
}

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
  transition: transform 260ms ease;
}

.product-card:hover .product-media img {
  transform: scale(1.025);
}

.product-info {
  display: flex;
  min-height: 184px;
  flex-direction: column;
  padding: 20px 22px;
  border-top: 1px solid var(--line);
}

.product-card-wide .product-info {
  min-height: 160px;
}

.product-info span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.product-info h3 {
  margin: 4px 0 0;
  font-size: 20px;
  line-height: 1.3;
}

.product-info p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.product-enquiry {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 16px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 800;
  border-bottom: 1px solid currentColor;
}

.product-enquiry:hover,
.product-enquiry:focus-visible {
  color: var(--ink);
}

.service-band {
  padding: 110px 0;
  color: var(--white);
  background: var(--ink);
}

.service-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(460px, 1.2fr);
  gap: 100px;
}

.service-intro .section-label {
  color: var(--accent);
}

.service-intro h2 {
  max-width: 560px;
}

.service-intro > p:last-child {
  max-width: 520px;
  margin: 28px 0 0;
  color: #aeb6b0;
}

.service-list {
  border-top: 1px solid #3b423d;
}

.service-list article {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 20px;
  padding: 26px 0;
  border-bottom: 1px solid #3b423d;
}

.service-list article > span {
  padding-top: 5px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
}

.service-list h3 {
  margin: 0 0 6px;
  font-size: 22px;
}

.service-list p {
  margin: 0;
  color: #aeb6b0;
  font-size: 14px;
}

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

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: 110px;
}

.about-title h2 {
  max-width: 520px;
}

.about-copy {
  padding-top: 28px;
}

.about-copy > p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
}

.about-copy blockquote {
  margin: 34px 0 0;
  padding: 18px 0 18px 24px;
  color: var(--ink);
  border-left: 3px solid var(--accent);
  font-size: 21px;
  font-weight: 700;
}

.support {
  padding: 88px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.support-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(520px, 1.22fr);
  gap: 90px;
}

.support h2 {
  max-width: 500px;
  font-size: 40px;
}

.support ol {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.support li {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.support li > span {
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 800;
}

.support li strong {
  display: block;
  margin-bottom: 3px;
}

.support li p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.contact {
  padding: 104px 0;
  color: var(--ink);
  background: var(--accent);
}

.contact .section-label {
  color: var(--accent-dark);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
  align-items: end;
  gap: 100px;
}

.contact h2 {
  max-width: 720px;
  font-size: 56px;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 40px;
  margin-top: 40px;
}

.contact-actions a {
  display: grid;
  min-width: 230px;
}

.contact-actions span {
  font-size: 12px;
  font-weight: 700;
}

.contact-actions strong {
  font-size: 23px;
  line-height: 1.25;
}

.contact-details {
  display: grid;
  gap: 0;
  margin: 0;
  font-style: normal;
  border-top: 1px solid rgba(7, 35, 19, 0.24);
}

.contact-details p {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 18px;
  margin: 0;
  padding: 15px 0;
  border-bottom: 1px solid rgba(7, 35, 19, 0.24);
}

.contact-details span {
  font-size: 12px;
  font-weight: 700;
}

.contact-details strong {
  font-size: 14px;
  font-weight: 700;
}

.contact-context strong {
  color: var(--accent-dark);
}

.quick-call {
  position: fixed;
  right: 22px;
  bottom: max(22px, env(safe-area-inset-bottom));
  z-index: 35;
  display: grid;
  width: 64px;
  height: 64px;
  place-items: center;
  align-content: center;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 12px 28px rgba(17, 21, 18, 0.24);
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
}

.quick-call.is-hidden {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
}

.quick-call svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.quick-call span {
  margin-top: 2px;
  font-size: 10px;
  line-height: 1;
}

.site-footer {
  padding: 34px 0;
  color: #aeb6b0;
  background: var(--ink);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.footer-inner > div {
  display: grid;
}

.footer-inner strong {
  color: var(--white);
  font-size: 14px;
}

.footer-inner span,
.footer-inner p {
  font-size: 11px;
}

.footer-inner p {
  margin: 0;
}

body.lang-en .brand {
  min-width: 300px;
}

body.lang-en .brand-name strong {
  font-size: 15px;
}

body.lang-en .hero h1 {
  max-width: 820px;
  font-size: 64px;
}

body.lang-en .service-intro h2 {
  font-size: 44px;
}

body.lang-en .contact h2 {
  font-size: 50px;
}

@media (max-width: 1100px) {
  .shell {
    width: min(calc(100% - 48px), var(--shell));
  }

  .site-nav {
    gap: 20px;
  }

  .header-call {
    display: none;
  }

  .hero h1 {
    font-size: 60px;
  }

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

  .capability-grid article:nth-child(3) {
    border-top: 1px solid var(--line);
  }

  .capability-grid article:nth-child(4) {
    border-top: 1px solid var(--line);
    border-right: 1px solid var(--line);
  }

  .service-layout,
  .about-layout,
  .support-layout {
    gap: 60px;
  }
}

@media (max-width: 860px) {
  html {
    scroll-padding-top: 68px;
  }

  .topbar {
    display: none;
  }

  .header-inner {
    min-height: 68px;
  }

  .brand {
    min-width: 0;
  }

  body.lang-en .brand {
    min-width: 0;
  }

  .nav-toggle {
    display: block;
    margin-left: 0;
  }

  .language-link {
    margin-left: auto;
  }

  .site-nav {
    position: fixed;
    top: 68px;
    right: 0;
    bottom: auto;
    left: 0;
    z-index: 45;
    display: none;
    width: 100%;
    height: calc(100vh - 68px);
    height: calc(100dvh - 68px);
    align-content: start;
    align-items: stretch;
    justify-content: stretch;
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    padding: 22px 24px;
    overflow-y: auto;
    overscroll-behavior: contain;
    color: var(--ink);
    background: var(--paper);
  }

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

  .site-nav a {
    width: 100%;
    padding: 18px 0;
    font-size: 20px;
    font-weight: 700;
    border-bottom: 1px solid var(--line);
  }

  .site-nav a::after {
    display: none;
  }

  .hero {
    height: min(680px, calc(100svh - 104px));
  }

  .hero h1 {
    font-size: 52px;
  }

  .hero-image {
    object-position: 58% center;
  }

  .hero-shade {
    background: linear-gradient(90deg, rgba(10, 17, 12, 0.93) 0%, rgba(10, 17, 12, 0.69) 52%, rgba(10, 17, 12, 0.2) 100%);
  }

  .section {
    padding: 82px 0;
  }

  .section-head,
  .service-layout,
  .about-layout,
  .support-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .section-head {
    align-items: start;
  }

  .section-head h2,
  .about h2,
  .service-intro h2,
  .contact h2 {
    font-size: 40px;
  }

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

  .product-card-wide {
    grid-column: span 2;
    grid-row: auto;
  }

  .product-card:last-child {
    grid-column: span 2;
  }

  .product-card-wide .product-media {
    height: 460px;
  }

  .service-band {
    padding: 86px 0;
  }

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

  .about-copy {
    padding-top: 0;
  }

  .support {
    padding: 72px 0;
  }

  .contact {
    padding: 84px 0;
  }

  .contact-details {
    max-width: 620px;
  }
}

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

  .brand-logo {
    width: 46px;
    height: 46px;
    flex-basis: 46px;
  }

  .brand-name {
    display: none;
  }

  .header-inner {
    gap: 10px;
  }

  .hero {
    height: min(660px, calc(100svh - 92px));
    min-height: 560px;
  }

  .hero-image {
    object-position: 62% center;
  }

  .hero-shade {
    background: linear-gradient(90deg, rgba(10, 17, 12, 0.91) 0%, rgba(10, 17, 12, 0.69) 67%, rgba(10, 17, 12, 0.28) 100%);
  }

  .hero-content {
    justify-content: flex-end;
    padding-bottom: 42px;
  }

  .hero-kicker {
    margin-bottom: 14px;
    font-size: 12px;
  }

  .hero h1 {
    font-size: 40px;
    line-height: 1.1;
  }

  body.lang-en .hero h1 {
    font-size: 36px;
  }

  .hero-summary {
    max-width: 100%;
    margin-top: 18px;
    font-size: 15px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-top: 24px;
  }

  .button {
    min-width: 0;
    padding-right: 12px;
    padding-left: 12px;
  }

  .hero-facts {
    gap: 8px 16px;
    margin-top: 24px;
  }

  .hero-facts span {
    padding: 0;
    border: 0;
  }

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

  .capability-grid article {
    min-height: 102px;
    padding: 18px 16px;
    border-top: 1px solid var(--line);
    border-right: 1px solid var(--line);
  }

  .capability-grid article:first-child {
    border-top: 0;
  }

  .section {
    padding: 68px 0;
  }

  .section-head {
    gap: 22px;
    margin-bottom: 28px;
  }

  .section-head h2,
  .about h2,
  .support h2,
  .service-intro h2,
  .contact h2 {
    font-size: 32px;
  }

  body.lang-en .section-head h2,
  body.lang-en .about h2,
  body.lang-en .support h2,
  body.lang-en .service-intro h2,
  body.lang-en .contact h2 {
    font-size: 30px;
  }

  .product-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .product-card-wide {
    grid-column: auto;
  }

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

  .product-media,
  .product-card-wide .product-media {
    height: 280px;
    padding: 22px;
  }

  .product-info,
  .product-card-wide .product-info {
    min-height: 176px;
    padding: 17px 18px;
  }

  .service-band {
    padding: 68px 0;
  }

  .service-list article {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 12px;
  }

  .about-copy blockquote {
    padding-left: 18px;
    font-size: 18px;
  }

  .support {
    padding: 64px 0;
  }

  .support li {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
  }

  .contact {
    padding: 68px 0;
  }

  .contact-actions {
    display: grid;
    gap: 18px;
    margin-top: 28px;
  }

  .contact-actions a {
    min-width: 0;
  }

  .contact-details p {
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 12px;
  }

  .quick-call {
    right: 14px;
    bottom: max(14px, env(safe-area-inset-bottom));
    width: 58px;
    height: 58px;
  }

  .footer-inner {
    display: grid;
    gap: 18px;
  }
}

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

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