:root {
  --ink: #061015;
  --ink-2: #0a171e;
  --ink-3: #10242d;
  --paper: #f4f7f6;
  --white: #ffffff;
  --muted: #a9b8bd;
  --muted-dark: #5c6b70;
  --line: rgba(255, 255, 255, 0.14);
  --line-dark: rgba(6, 16, 21, 0.13);
  --teal: #34e6c2;
  --teal-dark: #008f79;
  --blue: #74a9ff;
  --max: 1240px;
  --header-h: 82px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: var(--white);
  background: var(--ink);
  font-family: Inter, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input,
textarea {
  font: inherit;
}

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

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

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

.container {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  border-bottom: 1px solid transparent;
  background: linear-gradient(180deg, rgba(3, 10, 14, 0.76), rgba(3, 10, 14, 0));
  transition: background 220ms ease, border-color 220ms ease, height 220ms ease;
}

.site-header.is-scrolled {
  height: 70px;
  border-color: var(--line);
  background: rgba(5, 14, 19, 0.94);
  backdrop-filter: blur(18px);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand-mark {
  position: relative;
  width: 37px;
  height: 37px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(52, 230, 194, 0.62);
  color: var(--teal);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: -0.04em;
  clip-path: polygon(0 0, 78% 0, 100% 22%, 100% 100%, 22% 100%, 0 78%);
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(116, 169, 255, 0.26);
}

.brand-copy {
  display: grid;
  line-height: 1;
}

.brand-copy strong {
  font-size: 17px;
  font-weight: 730;
  letter-spacing: 0.19em;
}

.brand-copy span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.21em;
  text-transform: uppercase;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.1vw, 34px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  position: relative;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  letter-spacing: 0.02em;
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -8px;
  height: 1px;
  background: var(--teal);
  transition: right 200ms ease;
}

.nav-list a:hover::after,
.nav-list a:focus-visible::after {
  right: 0;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 13px;
}

.lang-link {
  min-width: 40px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.header-cta {
  padding: 10px 17px;
  border: 1px solid rgba(52, 230, 194, 0.54);
  color: var(--teal);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.03em;
  transition: color 180ms ease, background 180ms ease;
}

.header-cta:hover,
.header-cta:focus-visible {
  color: var(--ink);
  background: var(--teal);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  color: white;
  background: transparent;
  cursor: pointer;
}

.mobile-nav {
  display: none;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  content: "";
  display: block;
  width: 18px;
  height: 1px;
  margin: 5px auto;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-open .menu-toggle span {
  opacity: 0;
}

.menu-open .menu-toggle::before {
  transform: translateY(6px) rotate(45deg);
}

.menu-open .menu-toggle::after {
  transform: translateY(-6px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 820px;
  height: 100svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(4, 13, 18, 0.99) 0%, rgba(4, 13, 18, 0.94) 34%, rgba(4, 13, 18, 0.48) 62%, rgba(4, 13, 18, 0.22) 100%),
    image-set(url("./inspection-hero.webp") type("image/webp"), url("./inspection-hero.png") type("image/png")) 68% center / cover no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.25;
  background-image:
    linear-gradient(rgba(111, 224, 211, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(111, 224, 211, 0.14) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: linear-gradient(90deg, black, transparent 70%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 28%;
  background: linear-gradient(0deg, var(--ink), transparent);
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(720px, 69%);
  padding-top: 70px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 24px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: currentColor;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: clamp(58px, 7.2vw, 104px);
  font-weight: 620;
  line-height: 0.96;
  letter-spacing: -0.055em;
}

.hero-lead {
  max-width: 650px;
  margin-bottom: 34px;
  color: #ced8db;
  font-size: clamp(18px, 1.45vw, 22px);
  line-height: 1.62;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 0 23px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 720;
  letter-spacing: 0.025em;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.btn::after {
  content: "↗";
  font-size: 16px;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  color: var(--ink);
  background: var(--teal);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #72f3d8;
}

.btn-secondary {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--white);
  background: rgba(3, 11, 15, 0.18);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--teal);
}

.hero-proof {
  position: absolute;
  z-index: 3;
  right: max(24px, calc((100vw - var(--max)) / 2));
  bottom: 55px;
  display: grid;
  grid-template-columns: repeat(3, auto);
  align-items: stretch;
  border-block: 1px solid var(--line);
}

.proof-item {
  min-width: 155px;
  padding: 17px 23px;
  border-left: 1px solid var(--line);
}

.proof-item:last-child {
  border-right: 1px solid var(--line);
}

.proof-item span {
  display: block;
  color: var(--teal);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.proof-item strong {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  font-weight: 600;
}

.section {
  position: relative;
  padding: clamp(92px, 10vw, 154px) 0;
}

.section-dark {
  color: var(--white);
  background: var(--ink);
}

.section-light {
  color: var(--ink);
  background: var(--paper);
}

.section-kicker {
  margin-bottom: 18px;
  color: var(--teal-dark);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-dark .section-kicker {
  color: var(--teal);
}

.section-heading {
  max-width: 930px;
  margin-bottom: 54px;
  font-size: clamp(39px, 5.1vw, 72px);
  font-weight: 560;
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.section-intro {
  max-width: 710px;
  margin-bottom: 56px;
  color: var(--muted-dark);
  font-size: 19px;
  line-height: 1.75;
}

.section-dark .section-intro {
  color: var(--muted);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.capability-card {
  min-height: 370px;
  display: flex;
  flex-direction: column;
  padding: 34px 34px 30px;
  border-right: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.35);
  transition: color 260ms ease, background 260ms ease, transform 260ms ease;
}

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

.capability-card:hover {
  z-index: 1;
  color: white;
  background: var(--ink-2);
  transform: translateY(-8px);
}

.capability-index {
  margin-bottom: 64px;
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.12em;
}

.capability-card h3 {
  margin-bottom: 15px;
  font-size: 27px;
  font-weight: 590;
  letter-spacing: -0.025em;
}

.capability-card p {
  margin-bottom: 24px;
  color: var(--muted-dark);
}

.capability-card:hover p {
  color: #b8c6ca;
}

.capability-card ul {
  margin: auto 0 0;
  padding: 0;
  list-style: none;
}

.capability-card li {
  padding: 9px 0;
  border-top: 1px solid var(--line-dark);
  color: inherit;
  font-size: 14px;
}

.capability-card:hover li {
  border-color: var(--line);
}

.quality-layout {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: clamp(48px, 7vw, 104px);
  align-items: center;
}

.quality-visual {
  position: relative;
  min-height: 650px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: image-set(url("./inspection-hero.webp") type("image/webp"), url("./inspection-hero.png") type("image/png")) 73% center / cover no-repeat;
  clip-path: polygon(0 0, 90% 0, 100% 10%, 100% 100%, 10% 100%, 0 90%);
}

.quality-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 48%, rgba(2, 9, 12, 0.9));
}

.quality-caption {
  position: absolute;
  z-index: 2;
  inset: auto 34px 30px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
}

.quality-caption strong {
  max-width: 310px;
  font-size: 18px;
  font-weight: 590;
}

.quality-caption span {
  color: var(--teal);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.control-list {
  margin: 36px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.control-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 15px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.control-list b {
  color: var(--teal);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.control-list strong {
  display: block;
  margin-bottom: 5px;
  font-size: 17px;
  font-weight: 590;
}

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

.process-list {
  counter-reset: process;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin-top: 62px;
  border-top: 1px solid var(--line-dark);
}

.process-step {
  counter-increment: process;
  position: relative;
  min-height: 315px;
  padding: 32px 24px;
  border-right: 1px solid var(--line-dark);
}

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

.process-step::before {
  content: "0" counter(process);
  display: block;
  margin-bottom: 76px;
  color: var(--teal-dark);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.14em;
}

.process-step::after {
  content: "";
  position: absolute;
  top: -4px;
  left: 23px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal-dark);
}

.process-step h3 {
  margin-bottom: 12px;
  font-size: 20px;
  font-weight: 620;
  line-height: 1.3;
}

.process-step p {
  color: var(--muted-dark);
  font-size: 14px;
}

.asia-panel {
  position: relative;
  min-height: 610px;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 78% 46%, rgba(52, 230, 194, 0.14), transparent 30%),
    linear-gradient(135deg, #081820, #040d12 72%);
}

.asia-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(52, 230, 194, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(52, 230, 194, 0.09) 1px, transparent 1px);
  background-size: 52px 52px;
}

.asia-copy {
  position: relative;
  z-index: 2;
  width: min(600px, 58%);
  padding: clamp(42px, 6vw, 80px);
}

.asia-copy .section-heading {
  margin-bottom: 28px;
}

.region-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 33px 0 0;
  padding: 0;
  list-style: none;
}

.region-list li {
  padding: 9px 13px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #c5d1d4;
  font-size: 13px;
}

.network-graphic {
  position: absolute;
  z-index: 2;
  inset: 0 0 0 54%;
}

.network-line {
  position: absolute;
  top: 50%;
  left: 15%;
  width: 64%;
  height: 1px;
  background: linear-gradient(90deg, var(--teal), rgba(116, 169, 255, 0.15));
  transform: rotate(-13deg);
}

.network-node {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 2px solid var(--teal);
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 0 12px rgba(52, 230, 194, 0.07), 0 0 35px rgba(52, 230, 194, 0.3);
}

.network-node::after {
  content: attr(data-label);
  position: absolute;
  top: 19px;
  left: -16px;
  width: 150px;
  color: #d5dfe1;
  font-size: 11px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.network-node.one {
  top: 38%;
  left: 18%;
}

.network-node.two {
  top: 52%;
  left: 48%;
}

.network-node.three {
  top: 33%;
  left: 77%;
}

.about-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(50px, 9vw, 130px);
  align-items: start;
}

.about-statement {
  font-size: clamp(30px, 3.5vw, 50px);
  font-weight: 560;
  line-height: 1.2;
  letter-spacing: -0.04em;
}

.about-copy p {
  color: var(--muted-dark);
  font-size: 18px;
}

.company-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid var(--line-dark);
}

.company-card span {
  display: block;
  margin-bottom: 7px;
  color: var(--teal-dark);
  font-size: 11px;
  font-weight: 730;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.company-card strong,
.company-card address {
  font-size: 14px;
  font-style: normal;
  font-weight: 520;
  line-height: 1.6;
}

.contact-section {
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 20%, rgba(52, 230, 194, 0.15), transparent 27%),
    linear-gradient(145deg, #0d222a, #041014 70%);
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(52px, 8vw, 120px);
}

.contact-copy .section-heading {
  margin-bottom: 26px;
}

.contact-note {
  max-width: 500px;
  color: var(--muted);
  font-size: 17px;
}

.contact-email {
  display: inline-block;
  margin-top: 30px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--teal);
  color: var(--teal);
  font-size: 20px;
}

.rfq-form {
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid var(--line);
  background: rgba(4, 13, 17, 0.62);
  backdrop-filter: blur(14px);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.field {
  display: grid;
  gap: 8px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  color: #bac8cb;
  font-size: 12px;
  font-weight: 680;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.field input,
.field textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.23);
  border-radius: 0;
  outline: none;
  color: white;
  background: transparent;
}

.field input {
  height: 48px;
}

.field textarea {
  min-height: 108px;
  padding: 13px 0;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  border-color: var(--teal);
}

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 30px;
}

.form-footer p {
  max-width: 310px;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.form-status {
  min-height: 24px;
  margin: 15px 0 0;
  color: var(--teal);
  font-size: 13px;
}

.site-footer {
  padding: 50px 0 34px;
  border-top: 1px solid var(--line);
  color: #9badb2;
  background: #030b0f;
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 45px;
}

.footer-address {
  max-width: 420px;
  text-align: right;
}

.footer-address strong {
  display: block;
  margin-bottom: 5px;
  color: white;
  font-weight: 590;
}

.footer-address address {
  font-size: 13px;
  font-style: normal;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 12px;
}

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

.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@media (max-width: 1050px) {
  :root {
    --header-h: 72px;
  }

  .desktop-nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .mobile-nav {
    position: fixed;
    inset: 70px 0 0;
    display: grid;
    align-content: start;
    padding: 36px 24px;
    background: rgba(3, 11, 15, 0.98);
    transform: translateX(100%);
    transition: transform 220ms ease;
  }

  .mobile-nav .nav-list {
    display: grid;
    gap: 0;
  }

  .mobile-nav .nav-list a {
    display: block;
    padding: 17px 0;
    border-bottom: 1px solid var(--line);
    font-size: 20px;
  }

  .menu-open .mobile-nav {
    transform: translateX(0);
  }

  .hero-proof {
    left: 24px;
    right: 24px;
    bottom: 35px;
    grid-template-columns: repeat(3, 1fr);
  }

  .proof-item {
    min-width: 0;
  }

  .quality-layout,
  .about-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .quality-visual {
    min-height: 520px;
    order: 2;
  }

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

  .process-step {
    border-bottom: 1px solid var(--line-dark);
  }

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

  .asia-copy {
    width: 68%;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(calc(100% - 32px), var(--max));
  }

  .brand-copy span {
    display: none;
  }

  .hero {
    min-height: 780px;
    height: auto;
    padding: 130px 0 250px;
    background:
      linear-gradient(180deg, rgba(4, 13, 18, 0.82), rgba(4, 13, 18, 0.72) 48%, rgba(4, 13, 18, 0.98) 88%),
      image-set(url("./inspection-hero.webp") type("image/webp"), url("./inspection-hero.png") type("image/png")) 70% center / cover no-repeat;
  }

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

  h1 {
    font-size: clamp(54px, 17vw, 76px);
  }

  .hero-lead {
    font-size: 17px;
  }

  .hero-proof {
    left: 16px;
    right: 16px;
    bottom: 38px;
    grid-template-columns: 1fr;
  }

  .proof-item,
  .proof-item:last-child {
    padding: 10px 13px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .proof-item:last-child {
    border-bottom: 0;
  }

  .proof-item span,
  .proof-item strong {
    display: inline;
  }

  .proof-item strong {
    margin-left: 8px;
  }

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

  .capability-card {
    min-height: 0;
    border-left: 1px solid var(--line-dark);
    border-bottom: 1px solid var(--line-dark);
  }

  .capability-index {
    margin-bottom: 38px;
  }

  .process-step,
  .process-step:nth-child(odd) {
    min-height: 0;
    border-left: 1px solid var(--line-dark);
  }

  .process-step::before {
    margin-bottom: 38px;
  }

  .quality-visual {
    min-height: 430px;
  }

  .quality-caption {
    inset: auto 20px 22px;
  }

  .asia-panel {
    min-height: 720px;
  }

  .asia-copy {
    width: 100%;
    padding: 42px 28px;
  }

  .network-graphic {
    inset: 55% 0 0 0;
  }

  .company-card,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-footer,
  .footer-top,
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-address {
    text-align: left;
  }

  .btn {
    width: 100%;
  }
}

@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;
  }

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