:root {
  --navy-950: #06111d;
  --navy-900: #081827;
  --navy-800: #10283b;
  --blue-600: #286784;
  --blue-300: #8bc4d4;
  --orange-500: #f4a11a;
  --orange-400: #ffb334;
  --paper: #f5f7f8;
  --white: #ffffff;
  --ink: #0b1b29;
  --muted: #53626e;
  --line: #dce3e7;
  --container: 1240px;
  --radius: 10px;
  --shadow: 0 24px 70px rgba(5, 18, 29, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans",
    "Noto Sans SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

html[lang="zh"] body {
  font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", Inter, ui-sans-serif, sans-serif;
  line-height: 1.72;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

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

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

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--white);
  color: var(--navy-950);
  transform: translateY(-150%);
}

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

:focus-visible {
  outline: 3px solid var(--orange-400);
  outline-offset: 3px;
}

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: 84px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(6, 17, 29, 0.94);
  color: var(--white);
  backdrop-filter: blur(16px);
}

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

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

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 50px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--white);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.08em;
  line-height: 1;
}

.brand-mark::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 12px;
  height: 12px;
  border-radius: 0 5px 0 3px;
  background: var(--orange-500);
}

.brand-mark span {
  color: var(--orange-400);
}

.brand-mark.small {
  width: 44px;
  height: 38px;
  font-size: 18px;
}

.brand-name {
  display: grid;
  color: var(--white);
  font-size: 16px;
  font-weight: 850;
  letter-spacing: 0.12em;
  line-height: 1.1;
}

.brand-name small {
  margin-top: 5px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.13em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.main-nav a {
  position: relative;
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  font-weight: 650;
  white-space: nowrap;
  transition: color 180ms ease;
}

.nav-arrow {
  display: none;
}

.main-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 2px;
  background: var(--orange-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--white);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.language-switcher {
  display: flex;
  align-items: center;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  background: rgba(3, 12, 20, 0.35);
}

.language-switcher button {
  min-width: 38px;
  height: 30px;
  padding: 0 9px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: rgba(255, 255, 255, 0.84);
  cursor: pointer;
  font-size: 12px;
  font-weight: 750;
  transition: background 180ms ease, color 180ms ease;
}

.language-switcher button[aria-pressed="true"] {
  background: var(--white);
  color: var(--navy-950);
}

.header-cta {
  display: inline-grid;
  place-items: center;
  min-height: 40px;
  padding: 0 18px;
  border-radius: 5px;
  background: var(--orange-500);
  color: #17120a;
  font-size: 14px;
  font-weight: 800;
  transition: background 180ms ease, transform 180ms ease;
}

.header-cta:hover {
  background: var(--orange-400);
  transform: translateY(-1px);
}

.hero {
  position: relative;
  display: grid;
  min-height: 760px;
  overflow: hidden;
  background: var(--navy-950);
  color: var(--white);
  isolation: isolate;
}

.hero-image {
  position: absolute;
  z-index: -3;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  animation: hero-enter 1.2s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.hero-overlay {
  position: absolute;
  z-index: -2;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(4, 14, 24, 0.99) 0%, rgba(4, 14, 24, 0.9) 34%, rgba(4, 14, 24, 0.38) 68%, rgba(4, 14, 24, 0.24) 100%),
    linear-gradient(0deg, rgba(5, 16, 26, 0.9) 0%, transparent 42%);
}

.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: 84px;
  bottom: 150px;
  left: calc((100% - min(calc(100% - 48px), var(--container))) / 2 - 60px);
  width: 1px;
  background: linear-gradient(transparent, rgba(255, 255, 255, 0.18), transparent);
}

.hero-content {
  display: flex;
  align-items: center;
  padding-top: 118px;
  padding-bottom: 156px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--blue-600);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.18em;
  line-height: 1.4;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--orange-400);
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 2px;
  background: var(--orange-500);
}

.section-kicker.light {
  color: var(--orange-400);
}

.hero h1 {
  max-width: 700px;
  margin: 0;
  font-size: clamp(3.2rem, 7vw, 6.25rem);
  font-weight: 780;
  letter-spacing: -0.055em;
  line-height: 0.98;
  text-wrap: balance;
}

html[lang="zh"] .hero h1 {
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.hero-lead {
  max-width: 670px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 5px;
  cursor: pointer;
  font-weight: 780;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--orange-500);
  color: #17120a;
}

.button-primary:hover {
  background: var(--orange-400);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.05);
  color: var(--white);
}

.button-secondary:hover {
  border-color: rgba(255, 255, 255, 0.65);
  background: rgba(255, 255, 255, 0.1);
}

.location-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.location-dot {
  width: 8px;
  height: 8px;
  border: 2px solid var(--orange-400);
  border-radius: 50%;
}

.mode-strip {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(5, 17, 28, 0.9);
  backdrop-filter: blur(14px);
}

.mode-strip-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.mode-strip a {
  display: grid;
  min-height: 118px;
  align-content: center;
  padding: 18px 28px;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
  transition: background 180ms ease;
}

.mode-strip a:first-child {
  border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.mode-strip a:hover {
  background: rgba(255, 255, 255, 0.07);
}

.mode-strip a span {
  color: var(--orange-400);
  font-size: 12px;
  font-weight: 800;
}

.mode-strip a strong {
  margin-top: 3px;
  font-size: 20px;
  line-height: 1.2;
}

.mode-strip a small {
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
  letter-spacing: 0.13em;
}

.section {
  padding: 112px 0;
}

.section-heading,
.network-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 72px;
  align-items: end;
  margin-bottom: 54px;
}

.section-heading.compact {
  grid-template-columns: 1fr;
  margin-bottom: 42px;
}

.section-heading h2,
.network-heading h2,
.company-block h2,
.quote-copy h2 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2.35rem, 5vw, 4.65rem);
  font-weight: 760;
  letter-spacing: -0.048em;
  line-height: 1.05;
  text-wrap: balance;
}

html[lang="zh"] .section-heading h2,
html[lang="zh"] .network-heading h2,
html[lang="zh"] .company-block h2,
html[lang="zh"] .quote-copy h2 {
  letter-spacing: -0.025em;
  line-height: 1.18;
}

.section-heading > p,
.network-heading > p {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 8px 40px rgba(11, 27, 41, 0.04);
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.service-card::after {
  content: "";
  position: absolute;
  right: -54px;
  bottom: -54px;
  width: 150px;
  height: 150px;
  border: 24px solid rgba(40, 103, 132, 0.07);
  border-radius: 50%;
  transition: transform 300ms ease, border-color 300ms ease;
}

.service-card:hover {
  border-color: #b9c8d0;
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.service-card:hover::after {
  border-color: rgba(244, 161, 26, 0.14);
  transform: scale(1.12);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 64px;
}

.card-top span {
  color: var(--orange-500);
  font-size: 12px;
  font-weight: 850;
}

.card-top b {
  color: #9aa7b0;
  font-size: 12px;
  letter-spacing: 0.16em;
}

.service-card h3 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.55rem);
  line-height: 1.15;
  letter-spacing: -0.032em;
}

.service-card > p {
  max-width: 540px;
  margin: 17px 0 24px;
  color: var(--muted);
  font-size: 17px;
}

.service-card ul {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.service-card li {
  display: flex;
  align-items: baseline;
  gap: 11px;
  color: #334552;
  font-size: 16px;
}

.service-card li::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange-500);
}

.network-section {
  position: relative;
  overflow: hidden;
  padding: 112px 0;
  background: var(--navy-950);
  color: var(--white);
}

.network-section::before {
  content: "";
  position: absolute;
  top: -240px;
  right: -170px;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(139, 196, 212, 0.12);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(139, 196, 212, 0.025), 0 0 0 140px rgba(139, 196, 212, 0.018);
}

.network-heading {
  position: relative;
  z-index: 1;
}

.network-heading > p {
  color: rgba(255, 255, 255, 0.76);
}

.corridor-panel {
  position: relative;
  z-index: 1;
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.035);
}

.corridor-label {
  margin: 0 0 34px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.corridor-track {
  display: grid;
  grid-template-columns: minmax(118px, 1fr) 44px minmax(118px, 1fr) 44px minmax(145px, 1.25fr) 44px minmax(165px, 1.35fr) 44px minmax(118px, 1fr);
  align-items: center;
}

.corridor-node {
  display: grid;
  min-height: 116px;
  place-content: center;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
  text-align: center;
}

.corridor-node.emphasis {
  border-color: rgba(244, 161, 26, 0.7);
  background: rgba(244, 161, 26, 0.09);
}

.corridor-node strong {
  font-size: 16px;
  line-height: 1.25;
}

.corridor-node span {
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.corridor-track i {
  position: relative;
  height: 1px;
  background: rgba(255, 255, 255, 0.28);
}

.corridor-track i::after {
  content: "";
  position: absolute;
  top: -3px;
  right: 0;
  width: 7px;
  height: 7px;
  border-top: 1px solid rgba(255, 255, 255, 0.6);
  border-right: 1px solid rgba(255, 255, 255, 0.6);
  transform: rotate(45deg);
}

.corridor-branches {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 24px;
}

.corridor-branches span {
  padding: 7px 13px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
}

.gateway-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.gateway-grid article {
  min-height: 210px;
  padding: 27px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
}

.gateway-type {
  color: var(--orange-400);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.gateway-grid h3 {
  margin: 34px 0 11px;
  font-size: 18px;
  line-height: 1.25;
}

.gateway-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
  line-height: 1.75;
}

.solutions-section {
  background: var(--white);
}

.solution-list {
  border-top: 1px solid var(--line);
}

.solution-list article {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.solution-list article > span {
  padding-top: 5px;
  color: var(--orange-500);
  font-size: 12px;
  font-weight: 850;
}

.solution-list h3 {
  margin: 0;
  font-size: clamp(1.28rem, 2.4vw, 1.75rem);
  line-height: 1.3;
}

.solution-list p {
  margin: 7px 0 0;
  color: var(--muted);
}

.company-block {
  display: grid;
  grid-template-columns: minmax(240px, 0.65fr) minmax(0, 1.35fr);
  gap: 72px;
  align-items: center;
  margin-top: 104px;
  padding: 60px;
  border-radius: var(--radius);
  background: #edf2f4;
}

.company-monogram {
  display: grid;
  min-height: 260px;
  place-items: center;
  border: 1px solid #cbd6db;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(40, 103, 132, 0.14), transparent 60%),
    repeating-linear-gradient(90deg, transparent 0 28px, rgba(40, 103, 132, 0.04) 28px 29px);
  color: var(--navy-900);
  font-size: clamp(4rem, 9vw, 8.5rem);
  font-weight: 900;
  letter-spacing: -0.09em;
}

.company-block h2 {
  font-size: clamp(2.25rem, 4.5vw, 4.1rem);
}

.company-block > div:last-child > p:last-child {
  max-width: 720px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.quote-section {
  position: relative;
  overflow: hidden;
  padding: 112px 0;
  background: var(--navy-800);
  color: var(--white);
}

.quote-section::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -180px;
  width: 520px;
  height: 520px;
  border: 70px solid rgba(255, 255, 255, 0.025);
  border-radius: 50%;
}

.quote-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(520px, 1.14fr);
  gap: 72px;
  align-items: start;
}

.quote-copy > p:not(.section-kicker) {
  max-width: 540px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 17px;
  line-height: 1.8;
}

.direct-contact {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 46px;
}

.direct-contact a,
.direct-contact div {
  min-width: 0;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.035);
  transition: background 180ms ease, border-color 180ms ease;
}

.direct-contact a:hover {
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.07);
}

.direct-contact small,
.direct-contact strong {
  display: block;
}

.direct-contact small {
  margin-bottom: 6px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.direct-contact strong {
  overflow: hidden;
  font-size: 14px;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.quote-form {
  display: grid;
  gap: 18px;
  padding: 34px;
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.18);
}

.form-honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.quote-form label {
  display: grid;
  gap: 8px;
  font-size: 14px;
  font-weight: 720;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  min-height: 52px;
  padding: 12px 14px;
  border: 1px solid #cfd9df;
  border-radius: 6px;
  outline: none;
  background: #fafcfd;
  color: var(--ink);
  font-size: 15px;
  font-weight: 450;
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.quote-form textarea {
  min-height: 112px;
  resize: vertical;
}

.quote-form input:focus,
.quote-form select:focus,
.quote-form textarea:focus {
  border-color: var(--blue-600);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(40, 103, 132, 0.12);
}

.quote-form ::placeholder {
  color: #8c99a2;
}

.form-submit {
  width: 100%;
  margin-top: 4px;
  border: 0;
}

.form-submit:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.form-note,
.form-status {
  margin: 0;
  color: #7c8992;
  font-size: 13px;
  font-weight: 450;
  text-align: center;
}

.form-status:not(:empty) {
  color: var(--blue-600);
  font-weight: 700;
}

.form-status.is-success {
  color: #187148;
}

.form-status.is-error {
  color: #b42318;
}

.form-mail-fallback {
  width: fit-content;
  margin: -2px auto 0;
  color: var(--blue-600);
  font-size: 14px;
  font-weight: 750;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form-mail-fallback[hidden] {
  display: none;
}

.site-footer {
  padding: 34px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--navy-950);
  color: rgba(255, 255, 255, 0.56);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  font-size: 13px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 13px;
}

.footer-brand p,
.footer-inner > p {
  margin: 0;
}

.footer-brand strong,
.footer-brand span {
  display: block;
}

.footer-brand strong {
  color: var(--white);
  font-size: 13px;
  letter-spacing: 0.06em;
}

@keyframes hero-enter {
  from {
    opacity: 0;
    transform: scale(1.035);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (max-width: 1120px) {
  .main-nav {
    gap: 18px;
  }

  .main-nav a {
    font-size: 13px;
  }

  .header-cta {
    display: none;
  }

  .corridor-track {
    grid-template-columns: minmax(105px, 1fr) 26px minmax(105px, 1fr) 26px minmax(130px, 1.1fr) 26px minmax(145px, 1.2fr) 26px minmax(105px, 1fr);
  }

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

  .quote-grid {
    grid-template-columns: 1fr 1.2fr;
    gap: 44px;
  }
}

@media (max-width: 900px) {
  .site-header {
    height: 76px;
  }

  .brand-name {
    display: none;
  }

  .main-nav {
    display: none;
  }

  .hero {
    min-height: 820px;
  }

  .hero-content {
    padding-top: 132px;
    padding-bottom: 240px;
  }

  .hero-copy {
    max-width: 620px;
  }

  .hero h1 {
    font-size: clamp(3.05rem, 10vw, 5rem);
  }

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

  .mode-strip a {
    min-height: 86px;
    padding: 13px 20px;
  }

  .mode-strip a:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .section-heading,
  .network-heading {
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: start;
  }

  .section-heading > p,
  .network-heading > p {
    max-width: 680px;
  }

  .corridor-track {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .corridor-node {
    min-height: 82px;
  }

  .corridor-track i {
    justify-self: center;
    width: 1px;
    height: 28px;
  }

  .corridor-track i::after {
    top: auto;
    right: -3px;
    bottom: 0;
    transform: rotate(135deg);
  }

  .company-block {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .company-monogram {
    min-height: 200px;
  }

  .quote-grid {
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .quote-copy {
    max-width: 720px;
  }

  .direct-contact {
    max-width: 680px;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .site-header {
    height: 72px;
  }

  .header-inner {
    gap: 12px;
  }

  .brand-mark {
    width: 43px;
    height: 38px;
    font-size: 18px;
  }

  .header-actions {
    margin-left: auto;
    gap: 9px;
  }

  .language-switcher button {
    min-width: 36px;
    height: 32px;
    padding: 0 7px;
    font-size: 12px;
  }

  .hero {
    min-height: 820px;
  }

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

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(4, 14, 24, 0.97) 0%, rgba(4, 14, 24, 0.8) 64%, rgba(4, 14, 24, 0.45) 100%),
      linear-gradient(0deg, rgba(5, 16, 26, 0.98) 0%, transparent 55%);
  }

  .hero-content {
    align-items: flex-start;
    padding-top: 142px;
    padding-bottom: 232px;
  }

  .hero h1 {
    font-size: clamp(2.55rem, 12vw, 4rem);
    line-height: 1.04;
  }

  .hero-lead {
    font-size: 16px;
    line-height: 1.7;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .location-line {
    align-items: flex-start;
  }

  .location-dot {
    margin-top: 7px;
  }

  .mode-strip a {
    min-height: 84px;
    padding: 12px 15px;
  }

  .mode-strip a strong {
    font-size: 17px;
  }

  .section,
  .network-section,
  .quote-section {
    padding: 82px 0;
  }

  .section-heading,
  .network-heading {
    margin-bottom: 38px;
  }

  .section-heading h2,
  .network-heading h2,
  .company-block h2,
  .quote-copy h2 {
    font-size: clamp(2.15rem, 10vw, 3.25rem);
  }

  .section-heading > p,
  .network-heading > p {
    font-size: 16px;
  }

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

  .service-card {
    min-height: auto;
    padding: 26px;
  }

  .card-top {
    margin-bottom: 42px;
  }

  .corridor-panel {
    padding: 24px 18px;
  }

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

  .gateway-grid article {
    min-height: 170px;
    padding: 24px;
  }

  .gateway-grid h3 {
    margin-top: 26px;
  }

  .solution-list article {
    grid-template-columns: 46px 1fr;
  }

  .company-block {
    margin-top: 72px;
    padding: 26px;
  }

  .company-monogram {
    min-height: 150px;
  }

  .direct-contact {
    grid-template-columns: 1fr;
  }

  .quote-form {
    padding: 24px 18px;
  }

  .field-row {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
}

@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;
  }
}