:root {
  --ink: #251d43;
  --ink-deep: #171128;
  --ink-soft: #34294f;
  --navy: #142c4b;
  --cyan: #31b3cf;
  --cyan-bright: #63d6e8;
  --paper: #f5f6f8;
  --paper-warm: #fbfbfc;
  --white: #ffffff;
  --muted: #646879;
  --line: rgba(37, 29, 67, 0.13);
  --line-light: rgba(255, 255, 255, 0.15);
  --container: 1180px;
  --radius: 22px;
  --font-sans: "Avenir Next", "Helvetica Neue", "Noto Sans TC", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--cyan);
  color: var(--ink-deep);
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

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

.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;
}

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  color: var(--white);
  transition: background 220ms ease, box-shadow 220ms ease, backdrop-filter 220ms ease;
}

.site-header.scrolled {
  background: rgba(28, 21, 49, 0.92);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
}

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

.logo-mark {
  position: relative;
  display: block;
  width: 42px;
  height: 42px;
  overflow: hidden;
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.16);
}

.logo-mark img {
  display: block;
  width: 72px;
  max-width: none;
  transform: translate(-15px, -4px);
}

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

.brand-copy strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  letter-spacing: 0.015em;
}

.brand-copy small {
  margin-top: 5px;
  color: var(--cyan);
  font-size: 7px;
  font-weight: 800;
  letter-spacing: 0.29em;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 27px;
  font-size: 13px;
  font-weight: 600;
}

.primary-nav > a:not(.nav-cta) {
  color: rgba(255, 255, 255, 0.72);
  transition: color 180ms ease;
}

.primary-nav > a:not(.nav-cta):hover,
.primary-nav > a:not(.nav-cta):focus-visible {
  color: var(--white);
}

.primary-nav .language-link {
  padding-left: 22px;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--cyan-bright);
}

.nav-cta {
  padding: 11px 17px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  transition: border-color 180ms ease, background 180ms ease;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  border-color: rgba(49, 179, 207, 0.72);
  background: rgba(49, 179, 207, 0.13);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  background: transparent;
}

.menu-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 1px;
  margin: 5px auto;
  background: var(--white);
  transition: transform 180ms ease;
}

.hero {
  position: relative;
  min-height: 900px;
  overflow: hidden;
  padding: 168px 0 0;
  background:
    radial-gradient(circle at 78% 28%, rgba(49, 179, 207, 0.23), transparent 29%),
    radial-gradient(circle at 0% 90%, rgba(70, 49, 113, 0.45), transparent 32%),
    linear-gradient(132deg, #251d43 0%, #2b2149 57%, #171128 100%);
  color: var(--white);
}

.hero::before {
  position: absolute;
  right: -20%;
  bottom: -58%;
  width: 920px;
  height: 920px;
  border: 1px solid rgba(49, 179, 207, 0.16);
  border-radius: 50%;
  content: "";
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(430px, 0.92fr);
  align-items: center;
  gap: 54px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 25px;
  color: var(--cyan-bright);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.eyebrow > span {
  width: 25px;
  height: 1px;
  flex: 0 0 auto;
  background: currentColor;
}

.eyebrow-dark {
  color: #249bb5;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(48px, 5.3vw, 73px);
  font-weight: 650;
  letter-spacing: -0.055em;
  line-height: 1.13;
}

html[lang="en"] .hero h1 {
  font-size: clamp(46px, 5.1vw, 70px);
  line-height: 1.08;
}

.hero h1 em {
  color: var(--cyan-bright);
  font-style: normal;
}

.hero-lead {
  max-width: 650px;
  margin: 30px 0 0;
  color: rgba(255, 255, 255, 0.69);
  font-size: 18px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-top: 39px;
}

.button {
  display: inline-flex;
  min-height: 53px;
  padding: 0 24px;
  align-items: center;
  justify-content: center;
  gap: 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

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

.button-primary {
  background: var(--cyan);
  box-shadow: 0 15px 38px rgba(49, 179, 207, 0.22);
  color: var(--ink-deep);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--cyan-bright);
  box-shadow: 0 18px 44px rgba(49, 179, 207, 0.31);
}

.text-link {
  padding: 8px 0 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 700;
}

.integration-visual {
  position: relative;
  min-height: 470px;
}

.visual-orbit {
  position: absolute;
  top: 50%;
  left: 51%;
  border: 1px solid rgba(99, 214, 232, 0.19);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-a {
  width: 390px;
  height: 390px;
}

.orbit-b {
  width: 280px;
  height: 280px;
  border-style: dashed;
  animation: rotate 28s linear infinite;
}

.integration-core {
  position: absolute;
  top: 50%;
  left: 51%;
  display: flex;
  width: 178px;
  height: 178px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 9px;
  border: 1px solid rgba(99, 214, 232, 0.38);
  border-radius: 50%;
  background: rgba(35, 27, 61, 0.86);
  box-shadow: 0 0 80px rgba(49, 179, 207, 0.23), inset 0 0 34px rgba(49, 179, 207, 0.08);
  transform: translate(-50%, -50%);
}

.integration-core::before {
  position: absolute;
  inset: -14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  content: "";
}

.logo-mark-large {
  width: 62px;
  height: 62px;
  border-color: rgba(255, 255, 255, 0.7);
}

.logo-mark-large img {
  width: 105px;
  transform: translate(-22px, -6px);
}

.integration-core > strong {
  color: var(--white);
  font-size: 10px;
  letter-spacing: 0.16em;
}

.integration-core > small {
  color: var(--cyan-bright);
  font-size: 8px;
  letter-spacing: 0.18em;
}

.integration-node {
  position: absolute;
  z-index: 2;
  display: grid;
  min-width: 126px;
  padding: 15px 17px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(12px);
}

.integration-node small {
  color: var(--cyan-bright);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.17em;
}

.integration-node strong {
  margin-top: 5px;
  font-size: 17px;
}

.integration-node span {
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 10px;
}

.node-integrate {
  top: 11%;
  left: 2%;
}

.node-deliver {
  right: 0;
  bottom: 19%;
}

.node-expand {
  bottom: 4%;
  left: 8%;
}

.signal {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan-bright);
  box-shadow: 0 0 18px var(--cyan-bright);
}

.signal-one {
  top: 14%;
  right: 23%;
  animation: pulse 2.2s ease-in-out infinite;
}

.signal-two {
  bottom: 11%;
  left: 36%;
  animation: pulse 2.2s 0.8s ease-in-out infinite;
}

.visual-status {
  position: absolute;
  top: 7%;
  right: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.visual-status i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-bright);
  box-shadow: 0 0 12px var(--cyan);
}

.proof-strip {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 90px;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.proof-strip > div {
  display: flex;
  min-height: 116px;
  align-items: center;
  gap: 18px;
  padding: 22px 30px;
}

.proof-strip > div + div {
  border-left: 1px solid var(--line-light);
}

.proof-strip strong {
  color: var(--cyan-bright);
  font-size: 24px;
  letter-spacing: -0.035em;
  white-space: nowrap;
}

.proof-strip span {
  color: rgba(255, 255, 255, 0.61);
  font-size: 12px;
  line-height: 1.55;
}

.section {
  padding: 120px 0;
}

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

.about-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 90px;
}

.section-kicker h2,
.section-heading h2,
.market-intro h2,
.contact-copy h2 {
  margin: 0;
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.2;
}

html[lang="en"] .section-kicker h2,
html[lang="en"] .section-heading h2,
html[lang="en"] .market-intro h2,
html[lang="en"] .contact-copy h2 {
  font-size: clamp(34px, 3.7vw, 52px);
}

.about-copy {
  padding-top: 42px;
}

.about-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.about-copy .about-lead {
  margin-bottom: 22px;
  color: var(--ink-soft);
  font-size: 20px;
  line-height: 1.75;
}

.about-copy strong {
  color: var(--ink);
}

.about-principle {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  margin-top: 35px;
  padding: 27px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-principle span {
  color: #249bb5;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.about-principle strong {
  font-size: 17px;
  line-height: 1.7;
}

.capabilities-section {
  background: #eef0f4;
}

.section-heading {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  align-items: end;
  gap: 80px;
  margin-bottom: 55px;
}

.section-heading > p {
  margin: 0 0 7px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.section-heading.compact {
  display: block;
  margin-bottom: 50px;
}

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

.capability-card {
  position: relative;
  min-height: 350px;
  overflow: hidden;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.capability-card:hover {
  z-index: 2;
  border-color: rgba(49, 179, 207, 0.45);
  box-shadow: 0 22px 60px rgba(37, 29, 67, 0.08);
  transform: translateY(-4px);
}

.capability-featured {
  border-color: transparent;
  background: linear-gradient(140deg, #251d43, #30264f);
  color: var(--white);
}

.capability-featured::after {
  position: absolute;
  right: -100px;
  bottom: -120px;
  width: 280px;
  height: 280px;
  border: 1px solid rgba(49, 179, 207, 0.2);
  border-radius: 50%;
  content: "";
}

.card-index {
  color: #249bb5;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.capability-featured .card-index {
  color: var(--cyan-bright);
}

.capability-icon {
  display: flex;
  width: 58px;
  height: 58px;
  margin: 28px 0 30px;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 17px;
}

.capability-featured .capability-icon {
  border-color: rgba(255, 255, 255, 0.17);
}

.capability-icon i {
  width: 8px;
  height: 8px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
}

.capability-icon i + i {
  position: relative;
}

.capability-icon i + i::before {
  position: absolute;
  top: 1px;
  left: -7px;
  width: 5px;
  height: 2px;
  background: var(--cyan);
  content: "";
}

.capability-icon.bars {
  align-items: flex-end;
  padding-bottom: 14px;
}

.capability-icon.bars i {
  width: 6px;
  height: 13px;
  border: 0;
  border-radius: 2px;
  background: var(--cyan);
}

.capability-icon.bars i:nth-child(2) {
  height: 21px;
}

.capability-icon.bars i:nth-child(3) {
  height: 29px;
}

.capability-icon.bars i::before,
.capability-icon.dialogue i::before,
.capability-icon.material i::before {
  content: none;
}

.capability-icon.dialogue i {
  width: 21px;
  height: 16px;
  border: 2px solid var(--cyan);
  border-radius: 5px;
}

.capability-icon.dialogue i:nth-child(2) {
  margin-top: 13px;
  margin-left: -10px;
}

.capability-icon.material {
  gap: 0;
}

.capability-icon.material i {
  width: 20px;
  height: 24px;
  margin-left: -6px;
  border-radius: 4px;
  transform: rotate(45deg);
}

.capability-card h3 {
  max-width: 480px;
  margin: 0;
  font-size: 22px;
  line-height: 1.35;
}

.capability-card p {
  max-width: 510px;
  margin: 15px 0 27px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.78;
}

.capability-featured p {
  color: rgba(255, 255, 255, 0.65);
}

.capability-card > small {
  position: absolute;
  bottom: 34px;
  left: 36px;
  color: #249bb5;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.capability-featured > small {
  color: var(--cyan-bright);
}

.markets-section {
  background:
    radial-gradient(circle at 12% 20%, rgba(49, 179, 207, 0.15), transparent 24%),
    linear-gradient(145deg, #251d43, #171128);
  color: var(--white);
}

.markets-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 100px;
}

.market-intro {
  position: sticky;
  top: 135px;
  align-self: start;
}

.market-intro p:last-child {
  margin: 25px 0 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 15px;
  line-height: 1.8;
}

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

.market-list article {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 0 18px;
  padding: 31px 0;
  border-bottom: 1px solid var(--line-light);
  transition: padding-left 180ms ease, background 180ms ease;
}

.market-list article:hover {
  padding-left: 14px;
  background: linear-gradient(90deg, rgba(49, 179, 207, 0.08), transparent);
}

.market-list span {
  grid-row: 1 / 3;
  color: var(--cyan-bright);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.17em;
}

.market-list h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.4;
}

.market-list p {
  margin: 7px 0 0;
  color: rgba(255, 255, 255, 0.56);
  font-size: 13px;
  line-height: 1.65;
}

.value-section {
  background: var(--paper-warm);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}

.value-grid article {
  min-height: 310px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.value-grid article:hover {
  box-shadow: 0 20px 52px rgba(37, 29, 67, 0.07);
  transform: translateY(-4px);
}

.value-grid span {
  color: #249bb5;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.value-grid h3 {
  margin: 55px 0 16px;
  font-size: 21px;
  line-height: 1.45;
}

.value-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.contact-section {
  padding: 0 0 70px;
  background: var(--paper-warm);
}

.contact-card {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 80px;
  overflow: hidden;
  padding: 74px;
  border-radius: 28px;
  background:
    radial-gradient(circle at 90% 0%, rgba(49, 179, 207, 0.2), transparent 33%),
    linear-gradient(135deg, #251d43, #1a142e);
  color: var(--white);
}

.contact-card::after {
  position: absolute;
  right: -140px;
  bottom: -240px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(49, 179, 207, 0.17);
  border-radius: 50%;
  content: "";
}

.contact-copy,
.contact-people {
  position: relative;
  z-index: 2;
}

.contact-copy > p:not(.eyebrow) {
  max-width: 610px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.61);
  font-size: 15px;
  line-height: 1.8;
}

.contact-details {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-top: 34px;
  flex-direction: column;
}

.contact-detail {
  display: flex;
  align-items: flex-end;
  gap: 14px;
}

.contact-detail > span {
  width: 100px;
  flex: 0 0 100px;
  color: var(--cyan-bright);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1;
  white-space: nowrap;
}

.contact-detail img {
  display: block;
  width: auto;
  max-width: 100%;
  height: 24px;
  flex: 0 0 auto;
  transform: translateY(3px);
}

.contact-detail img.contact-detail-email {
  height: 28px;
}

.contact-people {
  display: flex;
  padding-left: 50px;
  border-left: 1px solid var(--line-light);
  flex-direction: column;
  justify-content: center;
  gap: 27px;
}

.contact-people div {
  display: grid;
  gap: 7px;
}

.contact-people small {
  color: var(--cyan-bright);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.contact-person-name {
  display: block;
  width: auto;
  max-width: 100%;
  height: 20px;
  object-fit: contain;
  object-position: left center;
}

.contact-people p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.49);
  font-size: 12px;
  line-height: 1.65;
}

.site-footer {
  padding: 32px 0;
  background: var(--paper-warm);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.footer-brand .logo-mark {
  width: 34px;
  height: 34px;
  border-color: var(--line);
  box-shadow: none;
}

.footer-brand .logo-mark img {
  width: 58px;
  transform: translate(-12px, -3px);
}

.footer-brand .brand-copy strong {
  font-size: 18px;
}

.footer-inner p,
.footer-inner > a:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
}

.footer-inner > a:last-child {
  justify-self: end;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 650ms ease var(--reveal-delay, 0ms), transform 650ms ease var(--reveal-delay, 0ms);
}

[data-reveal].visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes rotate {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.35; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.2); }
}

@media (max-width: 1040px) {
  .primary-nav {
    gap: 18px;
  }

  .hero {
    min-height: auto;
    padding-top: 150px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) 390px;
    gap: 25px;
  }

  .integration-visual {
    transform: scale(0.88);
  }

  .proof-strip {
    margin-top: 70px;
  }

  .proof-strip > div {
    padding-inline: 19px;
  }

  .proof-strip strong {
    font-size: 20px;
  }

  .about-grid,
  .markets-grid {
    gap: 60px;
  }

  .contact-card {
    gap: 45px;
    padding: 60px;
  }
}

@media (max-width: 860px) {
  .menu-toggle {
    display: block;
    cursor: pointer;
  }

  .menu-toggle[aria-expanded="true"] span:nth-last-child(2) {
    transform: translateY(3px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-3px) rotate(-45deg);
  }

  .primary-nav {
    position: fixed;
    top: 74px;
    right: 18px;
    left: 18px;
    display: flex;
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 18px;
    background: rgba(28, 21, 49, 0.98);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 180ms ease, transform 180ms ease;
    flex-direction: column;
    align-items: stretch;
  }

  .primary-nav.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .primary-nav a {
    padding: 9px 5px;
  }

  .primary-nav .language-link {
    padding: 17px 5px 9px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    border-left: 0;
  }

  .nav-cta {
    padding-inline: 17px !important;
    text-align: center;
  }

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

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

  .integration-visual {
    width: min(100%, 550px);
    margin: 15px auto -30px;
    transform: none;
  }

  .proof-strip {
    margin-top: 45px;
  }

  .proof-strip > div {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }

  .about-grid,
  .markets-grid,
  .contact-card {
    grid-template-columns: 1fr;
  }

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

  .section-heading {
    grid-template-columns: 1fr;
    gap: 25px;
  }

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

  .market-intro {
    position: static;
  }

  .contact-people {
    padding: 40px 0 0;
    border-top: 1px solid var(--line-light);
    border-left: 0;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(calc(100% - 34px), var(--container));
  }

  .header-inner {
    min-height: 74px;
  }

  .brand-copy strong {
    font-size: 19px;
  }

  .hero {
    padding-top: 126px;
  }

  .eyebrow {
    margin-bottom: 19px;
    font-size: 9px;
    line-height: 1.5;
  }

  .hero h1,
  html[lang="en"] .hero h1 {
    font-size: clamp(41px, 12vw, 56px);
    line-height: 1.11;
  }

  .hero-lead {
    margin-top: 24px;
    font-size: 16px;
    line-height: 1.75;
  }

  .hero-actions,
  .contact-details {
    align-items: flex-start;
    gap: 18px;
    flex-direction: column;
  }

  .integration-visual {
    min-height: 400px;
    margin: 5px auto 0;
    transform: scale(0.83);
  }

  .proof-strip {
    grid-template-columns: 1fr;
    margin-top: 0;
  }

  .proof-strip > div {
    min-height: 92px;
    padding: 20px 8px;
    align-items: center;
    flex-direction: row;
  }

  .proof-strip > div + div {
    border-top: 1px solid var(--line-light);
    border-left: 0;
  }

  .proof-strip strong {
    min-width: 116px;
  }

  .section {
    padding: 85px 0;
  }

  .about-grid,
  .markets-grid {
    gap: 38px;
  }

  .section-kicker h2,
  .section-heading h2,
  .market-intro h2,
  .contact-copy h2,
  html[lang="en"] .section-kicker h2,
  html[lang="en"] .section-heading h2,
  html[lang="en"] .market-intro h2,
  html[lang="en"] .contact-copy h2 {
    font-size: 36px;
  }

  .about-copy .about-lead {
    font-size: 18px;
  }

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

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

  .capability-card {
    min-height: 340px;
    padding: 30px;
  }

  .capability-card > small {
    bottom: 29px;
    left: 30px;
  }

  .market-list article {
    grid-template-columns: 40px 1fr;
  }

  .value-grid article {
    min-height: 270px;
  }

  .contact-section {
    padding-bottom: 35px;
  }

  .contact-card {
    width: 100%;
    gap: 45px;
    padding: 55px 25px;
    border-radius: 0;
  }

  .contact-detail img {
    height: 20px;
  }

  .contact-detail img.contact-detail-email {
    height: 24px;
  }

  .footer-inner {
    grid-template-columns: 1fr auto;
  }

  .footer-inner p {
    grid-column: 1 / -1;
    grid-row: 2;
  }
}

@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;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}