:root {
  --ink: #071d35;
  --ink-soft: #102a46;
  --blue: #146a9f;
  --blue-bright: #2192cd;
  --sky: #dcecf3;
  --sand: #e3c48c;
  --cream: #f5f2ea;
  --paper: #fbfaf6;
  --white: #ffffff;
  --muted: #62707d;
  --line: rgba(7, 29, 53, 0.16);
  --line-light: rgba(255, 255, 255, 0.18);
  --font-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, "Noto Serif SC", serif;
  --font-body: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  --shell: min(1360px, calc(100vw - 8vw));
  --header-height: 114px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

body::selection {
  color: var(--white);
  background: var(--blue);
}

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

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

button,
select {
  cursor: pointer;
}

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

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

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-150%);
  transition: transform 0.2s;
}

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

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  color: var(--white);
  transition: color 0.35s ease, background-color 0.35s ease, box-shadow 0.35s ease, transform 0.35s ease;
}

.site-header.is-scrolled {
  color: var(--ink);
  background: rgba(251, 250, 246, 0.94);
  box-shadow: 0 1px 0 rgba(7, 29, 53, 0.12);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.utility-bar {
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: height 0.35s ease, opacity 0.3s ease, border-color 0.35s ease;
}

.site-header.is-scrolled .utility-bar {
  height: 0;
  border-color: transparent;
  opacity: 0;
  overflow: hidden;
}

.utility-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 36px;
}

.utility-inner p {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
}

.utility-inner a {
  opacity: 0.78;
  transition: opacity 0.2s;
}

.utility-inner a:hover {
  opacity: 1;
}

.status-dot {
  width: 6px;
  height: 6px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 50%;
  background: #79bf9a;
  box-shadow: 0 0 0 4px rgba(121, 191, 154, 0.14);
}

.navigation {
  display: grid;
  grid-template-columns: 220px 1fr auto;
  align-items: center;
  height: 78px;
  transition: height 0.35s ease;
}

.site-header.is-scrolled .navigation {
  height: 72px;
}

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

.brand-mark {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  width: 32px;
  height: 32px;
  padding: 5px;
  border: 1px solid currentColor;
}

.brand-mark i {
  display: block;
  width: 6px;
  height: 13px;
  background: currentColor;
  transform: skewY(-28deg);
}

.brand-mark i:nth-child(2) {
  height: 20px;
  opacity: 0.7;
}

.brand-mark i:nth-child(3) {
  height: 16px;
}

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

.brand-copy strong {
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.brand-copy small {
  margin-top: 5px;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.39em;
}

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(24px, 3vw, 48px);
}

.primary-nav a {
  position: relative;
  padding-block: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.035em;
}

.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: 5px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s var(--ease);
}

.primary-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

.language-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.language-button {
  padding: 4px 0;
  border: 0;
  color: inherit;
  background: transparent;
  opacity: 0.48;
}

.language-button.is-active {
  opacity: 1;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  min-height: 56px;
  padding: 14px 24px;
  border: 1px solid transparent;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  transition: transform 0.3s var(--ease), background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.button svg {
  width: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-width: 1.5;
  transition: transform 0.3s var(--ease);
}

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

.button:hover svg {
  transform: translateX(4px);
}

.button-small {
  min-height: 42px;
  padding: 10px 18px;
  font-size: 10px;
}

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

.site-header:not(.is-scrolled) .button-dark {
  color: var(--ink);
  background: var(--white);
}

.button-dark:hover {
  background: var(--blue);
}

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

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

.menu-toggle {
  display: none;
}

.hero {
  position: relative;
  display: flex;
  min-height: max(720px, 100svh);
  color: var(--white);
  background: var(--ink);
  overflow: hidden;
}

.hero-media,
.hero-shade,
.hero-grid {
  position: absolute;
  inset: 0;
}

.hero-media {
  left: -1%;
  width: 102%;
  background-image: url("assets/images/myda-trade-port.webp");
  background-position: center;
  background-size: cover;
  transform: scale(1.025);
  animation: hero-arrive 1.8s var(--ease) both;
  will-change: transform;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(4, 19, 34, 0.94) 0%, rgba(4, 19, 34, 0.77) 29%, rgba(4, 19, 34, 0.28) 61%, rgba(4, 19, 34, 0.06) 100%),
    linear-gradient(0deg, rgba(3, 16, 29, 0.64) 0%, transparent 35%, rgba(3, 16, 29, 0.22) 100%);
}

.hero-grid {
  opacity: 0.09;
  background-image:
    linear-gradient(to right, transparent calc(100% - 1px), #fff 1px),
    linear-gradient(to bottom, transparent calc(100% - 1px), #fff 1px);
  background-size: 12.5vw 100%, 100% 25vh;
  -webkit-mask-image: linear-gradient(90deg, #000, transparent 70%);
  mask-image: linear-gradient(90deg, #000, transparent 70%);
}

@keyframes hero-arrive {
  from { opacity: 0; transform: scale(1.08); }
  to { opacity: 1; transform: scale(1.025); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--header-height);
  padding-bottom: 78px;
}

.hero-content {
  width: min(790px, 64vw);
  padding-top: 32px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 27px;
}

.eyebrow span {
  width: 42px;
  height: 1px;
  background: var(--blue);
}

.eyebrow b {
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.19em;
  text-transform: uppercase;
}

.eyebrow-light span {
  background: var(--sand);
}

.eyebrow-light b {
  color: rgba(255, 255, 255, 0.78);
}

.hero h1 {
  max-width: 820px;
  margin-bottom: 28px;
  font-family: var(--font-display);
  font-size: clamp(56px, 6.2vw, 102px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.94;
}

.hero h1 span,
.hero h1 em {
  display: block;
}

.hero h1 em {
  color: var(--sand);
  font-weight: 400;
}

.hero-lead {
  max-width: 670px;
  margin-bottom: 39px;
  color: rgba(255, 255, 255, 0.79);
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 32px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding-bottom: 5px;
  border-bottom: 1px solid rgba(7, 29, 53, 0.38);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: gap 0.3s var(--ease), border-color 0.3s ease;
}

.text-link:hover {
  gap: 25px;
  border-color: currentColor;
}

.text-link-light {
  border-color: rgba(255, 255, 255, 0.42);
}

.hero-proof {
  position: absolute;
  right: 0;
  bottom: 38px;
  display: flex;
  width: min(620px, 46vw);
  border-top: 1px solid rgba(255, 255, 255, 0.23);
}

.proof-item {
  flex: 1;
  padding: 16px 16px 0 0;
}

.proof-item + .proof-item {
  padding-left: 24px;
  border-left: 1px solid rgba(255, 255, 255, 0.17);
}

.proof-item span {
  color: var(--sand);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.proof-item p {
  margin: 5px 0 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.025em;
}

.scroll-cue {
  position: absolute;
  z-index: 3;
  bottom: 38px;
  left: 4vw;
  display: flex;
  align-items: center;
  gap: 14px;
  color: rgba(255, 255, 255, 0.64);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.scroll-cue i {
  position: relative;
  width: 36px;
  height: 1px;
  background: rgba(255, 255, 255, 0.38);
  overflow: hidden;
}

.scroll-cue i::after {
  position: absolute;
  inset: 0;
  background: var(--white);
  content: "";
  animation: scroll-line 2.2s ease-in-out infinite;
}

@keyframes scroll-line {
  0% { transform: translateX(-100%); }
  50%, 100% { transform: translateX(100%); }
}

.section {
  padding-block: clamp(92px, 10vw, 154px);
}

.intro {
  background:
    radial-gradient(circle at 90% 15%, rgba(32, 145, 202, 0.07), transparent 23%),
    var(--paper);
}

.intro-grid {
  display: grid;
  grid-template-columns: 0.72fr 1.55fr 1fr;
  gap: clamp(36px, 6vw, 92px);
  align-items: start;
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 13px;
}

.section-kicker span {
  display: grid;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  place-items: center;
  color: var(--blue);
  font-size: 9px;
  font-weight: 800;
}

.section-kicker p {
  margin: 0;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.display-title {
  max-width: 800px;
  margin-bottom: 36px;
  font-family: var(--font-display);
  font-size: clamp(43px, 4.3vw, 70px);
  font-weight: 400;
  letter-spacing: -0.038em;
  line-height: 1.05;
}

.intro-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 38px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

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

.corridor-card {
  min-height: 456px;
  padding: 28px;
  color: var(--white);
  background: var(--ink-soft);
}

.corridor-heading,
.corridor-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.corridor-heading span {
  color: rgba(255, 255, 255, 0.58);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.corridor-heading strong {
  color: var(--sand);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.route-map {
  position: relative;
  margin-block: 38px 18px;
}

.route-map svg {
  width: 100%;
  overflow: visible;
}

.map-land {
  fill: rgba(255, 255, 255, 0.045);
  stroke: rgba(255, 255, 255, 0.11);
  stroke-width: 1;
}

.route {
  fill: none;
  stroke: url(#routeLine);
  stroke-dasharray: 5 7;
  stroke-linecap: round;
  stroke-width: 2;
}

.route-node {
  fill: var(--white);
  stroke: var(--ink-soft);
  stroke-width: 4;
}

.route-node-main {
  fill: var(--sand);
}

.route-pulse {
  fill: none;
  stroke: var(--sand);
  opacity: 0.4;
  transform-origin: 411px 132px;
  animation: map-pulse 2.4s ease-out infinite;
}

@keyframes map-pulse {
  from { opacity: 0.6; transform: scale(0.45); }
  to { opacity: 0; transform: scale(1.55); }
}

.route-label {
  position: absolute;
  color: rgba(255, 255, 255, 0.62);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.route-label-asia { top: 72%; left: 7%; }
.route-label-greece { top: 38%; left: 54%; color: var(--sand); }
.route-label-europe { top: 57%; right: 3%; }

.corridor-footer {
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--line-light);
}

.corridor-footer p {
  max-width: 230px;
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.4;
}

.mini-compass {
  display: grid;
  width: 28px;
  height: 28px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  place-items: center;
  color: var(--sand);
  font-size: 8px;
}

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

.section-heading {
  margin-bottom: clamp(55px, 7vw, 92px);
}

.heading-split {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 8vw;
  align-items: end;
}

.section-heading .display-title {
  margin-bottom: 0;
}

.display-title-light {
  color: var(--white);
}

.heading-copy {
  max-width: 480px;
  margin: 0 0 6px;
  color: rgba(255, 255, 255, 0.59);
  font-size: 14px;
  line-height: 1.8;
}

.heading-copy-dark {
  color: var(--muted);
}

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

.service-row {
  position: relative;
  display: grid;
  grid-template-columns: 70px 100px 1fr 40px;
  gap: 30px;
  align-items: center;
  min-height: 174px;
  border-bottom: 1px solid var(--line-light);
  overflow: hidden;
  transition: padding 0.4s var(--ease), color 0.3s ease;
}

.service-row::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--white);
  content: "";
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.45s var(--ease);
}

.service-row:hover {
  padding-inline: 24px;
  color: var(--ink);
}

.service-row:hover::before {
  transform: scaleY(1);
}

.service-row > * {
  position: relative;
  z-index: 1;
}

.service-number {
  align-self: start;
  padding-top: 47px;
  color: var(--sand);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.service-icon {
  display: grid;
  width: 72px;
  height: 72px;
  border: 1px solid rgba(255, 255, 255, 0.21);
  place-items: center;
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

.service-row:hover .service-icon {
  border-color: rgba(7, 29, 53, 0.18);
  background: var(--cream);
}

.service-icon svg {
  width: 39px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 1.3;
}

.service-content {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(300px, 1fr);
  gap: 7vw;
  align-items: center;
}

.service-content h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(25px, 2.4vw, 38px);
  font-weight: 400;
  letter-spacing: -0.02em;
}

.service-content p {
  max-width: 530px;
  margin: 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 13px;
  line-height: 1.75;
  transition: color 0.3s ease;
}

.service-row:hover .service-content p {
  color: var(--muted);
}

.service-arrow {
  font-size: 20px;
  opacity: 0.65;
  transition: transform 0.3s var(--ease);
}

.service-row:hover .service-arrow {
  transform: translate(4px, -4px);
}

.sectors {
  background: var(--cream);
}

.sector-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(7, 29, 53, 0.16);
  border: 1px solid rgba(7, 29, 53, 0.16);
}

.sector-card {
  display: flex;
  flex-direction: column;
  min-height: 470px;
  padding: clamp(24px, 2.5vw, 38px);
  background: var(--paper);
  transition: transform 0.4s var(--ease), box-shadow 0.4s ease;
}

.sector-card:hover {
  z-index: 1;
  box-shadow: 0 20px 45px rgba(7, 29, 53, 0.14);
  transform: translateY(-8px);
}

.sector-card-blue {
  color: var(--white);
  background: var(--blue);
}

.sector-card-sand {
  background: #dec18b;
}

.sector-card-sky {
  background: #d8e9ee;
}

.sector-card-line {
  background:
    linear-gradient(rgba(7, 29, 53, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 29, 53, 0.03) 1px, transparent 1px),
    var(--paper);
  background-size: 24px 24px;
}

.sector-topline {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 9px;
  font-weight: 750;
}

.sector-topline i {
  flex: 1;
  height: 1px;
  background: currentColor;
  opacity: 0.22;
}

.sector-symbol {
  display: grid;
  flex: 1;
  place-items: center;
}

.sector-symbol svg {
  width: 155px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 1.4;
  opacity: 0.7;
  transition: transform 0.5s var(--ease);
}

.sector-card:hover .sector-symbol svg {
  transform: scale(1.07) rotate(-2deg);
}

.sector-card h3 {
  margin-bottom: 12px;
  font-family: var(--font-display);
  font-size: 27px;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.sector-card p {
  margin: 0;
  opacity: 0.68;
  font-size: 12px;
  line-height: 1.7;
}

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

.process-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(70px, 10vw, 160px);
}

.process-intro {
  position: sticky;
  top: 130px;
  align-self: start;
}

.process-intro .display-title {
  max-width: 590px;
}

.process-intro > p {
  max-width: 480px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 30px;
  min-height: 180px;
  padding-bottom: 45px;
}

.timeline-item::before {
  position: absolute;
  top: 47px;
  bottom: 0;
  left: 23px;
  width: 1px;
  background: var(--line);
  content: "";
}

.timeline-item:last-child::before {
  display: none;
}

.timeline-index {
  display: grid;
  width: 47px;
  height: 47px;
  border: 1px solid var(--line);
  border-radius: 50%;
  place-items: center;
  color: var(--blue);
  background: var(--paper);
  font-size: 10px;
  font-weight: 800;
}

.timeline-item h3 {
  margin: 1px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(26px, 2.6vw, 39px);
  font-weight: 400;
  letter-spacing: -0.025em;
}

.timeline-item p {
  max-width: 530px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

.principles {
  position: relative;
  min-height: 760px;
  padding-block: 0;
  color: var(--white);
  background: var(--ink);
  overflow: hidden;
}

.principles-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3, 18, 32, 0.96) 0%, rgba(3, 18, 32, 0.82) 45%, rgba(3, 18, 32, 0.15) 82%),
    linear-gradient(0deg, rgba(3, 18, 32, 0.45), transparent 50%),
    url("assets/images/myda-trade-port.webp") center / cover;
  transform: scaleX(-1) scale(1.01);
}

.principles-inner {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 760px;
}

.principles-panel {
  max-width: 650px;
}

.principles-panel h2 {
  max-width: 600px;
  margin-bottom: 28px;
  font-family: var(--font-display);
  font-size: clamp(52px, 5.5vw, 82px);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 0.98;
}

.principles-panel > p {
  max-width: 540px;
  margin-bottom: 36px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
  line-height: 1.8;
}

.principles-panel ul {
  display: grid;
  gap: 0;
  max-width: 540px;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-light);
  list-style: none;
}

.principles-panel li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-block: 14px;
  border-bottom: 1px solid var(--line-light);
}

.principles-panel li span {
  display: grid;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  place-items: center;
  color: var(--sand);
  font-size: 10px;
}

.principles-panel li b {
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.025em;
}

.contact {
  background: var(--cream);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: clamp(70px, 10vw, 160px);
  align-items: start;
}

.contact-copy .display-title {
  margin-bottom: 26px;
}

.contact-copy > p {
  max-width: 460px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.contact-details {
  display: grid;
  gap: 22px;
  margin-top: 58px;
}

.contact-details a,
.contact-details div {
  display: grid;
  gap: 4px;
}

.contact-details span {
  color: var(--muted);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.contact-details strong {
  width: max-content;
  border-bottom: 1px solid transparent;
  font-size: 14px;
  font-weight: 650;
}

.contact-details a:hover strong {
  border-color: currentColor;
}

.inquiry-form {
  padding: clamp(30px, 4vw, 60px);
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: 0 28px 80px rgba(7, 29, 53, 0.07);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.inquiry-form label {
  display: grid;
  gap: 8px;
  margin-bottom: 26px;
}

.inquiry-form label > span {
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  padding: 13px 0;
  border: 0;
  border-bottom: 1px solid rgba(7, 29, 53, 0.22);
  border-radius: 0;
  outline: none;
  color: var(--ink);
  background: transparent;
  font-size: 14px;
  resize: vertical;
  transition: border-color 0.2s ease;
}

.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  border-color: var(--blue);
}

.inquiry-form input::placeholder,
.inquiry-form textarea::placeholder {
  color: #9ba2a8;
}

.inquiry-form [aria-invalid="true"] {
  border-color: #b3473f;
}

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-top: 10px;
}

.form-footer p {
  max-width: 370px;
  margin: 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.6;
}

.form-footer .button-dark {
  flex: 0 0 auto;
}

.form-status {
  margin: 18px 0 0;
  color: var(--blue);
  font-size: 12px;
  font-weight: 650;
}

.site-footer {
  color: rgba(255, 255, 255, 0.72);
  background: #031426;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 0.7fr 0.7fr;
  gap: 70px;
  padding-block: 72px;
}

.brand-footer {
  color: var(--white);
}

.footer-grid > div:first-child > p {
  margin: 24px 0 0;
  font-family: var(--font-display);
  font-size: 22px;
}

.footer-nav,
.footer-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 9px;
  font-size: 12px;
}

.footer-nav > span,
.footer-contact > span {
  margin-bottom: 10px;
  color: var(--sand);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.footer-nav a,
.footer-contact a {
  transition: color 0.2s ease;
}

.footer-nav a:hover,
.footer-contact a:hover {
  color: var(--white);
}

.footer-contact p {
  margin: 0;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.11);
  color: rgba(255, 255, 255, 0.4);
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-bottom p {
  margin: 0;
}

.back-to-top {
  position: fixed;
  z-index: 50;
  right: 24px;
  bottom: 24px;
  display: grid;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  place-items: center;
  color: var(--white);
  background: var(--ink);
  box-shadow: 0 10px 25px rgba(7, 29, 53, 0.2);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s var(--ease), background-color 0.2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--blue);
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
}

.reveal[data-delay="1"] { transition-delay: 0.1s; }
.reveal[data-delay="2"] { transition-delay: 0.2s; }
.reveal[data-delay="3"] { transition-delay: 0.3s; }
.reveal[data-delay="4"] { transition-delay: 0.42s; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

html[lang="zh-CN"] .display-title,
html[lang="zh-CN"] .hero h1,
html[lang="zh-CN"] .principles-panel h2,
html[lang="zh-CN"] .service-content h3,
html[lang="zh-CN"] .sector-card h3,
html[lang="zh-CN"] .timeline-item h3 {
  font-family: "Noto Serif SC", "Songti SC", SimSun, serif;
  letter-spacing: -0.035em;
}

html[lang="zh-CN"] .hero h1 {
  line-height: 1.08;
}

html[lang="zh-CN"] .hero h1 em {
  margin-top: 10px;
  font-style: normal;
}

@media (max-width: 1180px) {
  :root {
    --shell: min(1100px, calc(100vw - 64px));
  }

  .navigation {
    grid-template-columns: 180px 1fr auto;
  }

  .primary-nav {
    gap: 24px;
  }

  .nav-actions {
    gap: 16px;
  }

  .nav-actions .button {
    display: none;
  }

  .intro-grid {
    grid-template-columns: 0.6fr 1.4fr;
  }

  .corridor-card {
    grid-column: 2;
    min-height: 410px;
  }

  .service-content {
    grid-template-columns: 0.85fr 1fr;
    gap: 4vw;
  }

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

  .sector-card {
    min-height: 420px;
  }
}

@media (max-width: 900px) {
  :root {
    --shell: calc(100vw - 48px);
  }

  .utility-bar {
    display: none;
  }

  .navigation,
  .site-header.is-scrolled .navigation {
    grid-template-columns: 1fr auto;
    height: 72px;
  }

  .navigation > .brand {
    position: relative;
    z-index: 3;
  }

  body.menu-open .site-header .brand,
  body.menu-open .site-header .menu-toggle {
    color: var(--white);
  }

  .menu-toggle {
    position: relative;
    z-index: 3;
    display: grid;
    gap: 8px;
    width: 42px;
    height: 42px;
    padding: 12px 8px;
    border: 0;
    color: inherit;
    background: transparent;
  }

  .menu-toggle span {
    display: block;
    width: 26px;
    height: 1px;
    background: currentColor;
    transition: transform 0.3s var(--ease);
  }

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

  .menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-5px) rotate(-45deg);
  }

  .primary-nav {
    position: fixed;
    inset: 0;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 8px;
    padding: 100px 12vw;
    color: var(--white);
    background: var(--ink);
    opacity: 0;
    transform: translateY(-20px);
    pointer-events: none;
    transition: opacity 0.35s ease, transform 0.45s var(--ease);
  }

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

  .primary-nav a {
    font-family: var(--font-display);
    font-size: clamp(34px, 8vw, 55px);
    font-weight: 400;
  }

  .nav-actions {
    position: fixed;
    z-index: 2;
    right: 86px;
    bottom: 40px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
  }

  body.menu-open .nav-actions {
    color: var(--white);
    opacity: 1;
    pointer-events: auto;
  }

  .hero-content {
    width: min(720px, 88vw);
  }

  .hero-proof {
    right: auto;
    bottom: 32px;
    left: 0;
    width: 100%;
  }

  .scroll-cue {
    display: none;
  }

  .intro-grid,
  .heading-split,
  .process-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .intro-grid {
    gap: 48px;
  }

  .section-kicker {
    grid-row: auto;
  }

  .corridor-card {
    grid-column: auto;
    width: min(600px, 100%);
  }

  .heading-split {
    gap: 30px;
  }

  .service-row {
    grid-template-columns: 45px 70px 1fr 25px;
    gap: 20px;
  }

  .service-icon {
    width: 60px;
    height: 60px;
  }

  .service-content {
    grid-template-columns: 1fr;
    gap: 12px;
    padding-block: 30px;
  }

  .service-number {
    padding-top: 46px;
  }

  .process-grid,
  .contact-grid {
    gap: 70px;
  }

  .process-intro {
    position: static;
  }

  .principles,
  .principles-inner {
    min-height: 680px;
  }

  .principles-media {
    opacity: 0.62;
  }
}

@media (max-width: 640px) {
  :root {
    --shell: calc(100vw - 36px);
  }

  html {
    scroll-padding-top: 72px;
  }

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

  .hero {
    min-height: 790px;
  }

  .hero-media {
    background-position: 61% center;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(4, 19, 34, 0.9), rgba(4, 19, 34, 0.28)),
      linear-gradient(0deg, rgba(3, 16, 29, 0.78) 0%, rgba(3, 16, 29, 0.08) 48%, rgba(3, 16, 29, 0.32) 100%);
  }

  .hero-inner {
    justify-content: flex-start;
    padding-top: 170px;
    padding-bottom: 180px;
  }

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

  .hero h1 {
    font-size: clamp(46px, 13.5vw, 68px);
    line-height: 0.98;
  }

  .hero-lead {
    font-size: 14px;
    line-height: 1.65;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 23px;
  }

  .button {
    gap: 20px;
    min-height: 52px;
  }

  .hero-proof {
    display: grid;
    grid-template-columns: 1fr 1fr;
    bottom: 28px;
  }

  .proof-item:nth-child(3) {
    display: none;
  }

  .proof-item + .proof-item {
    padding-left: 18px;
  }

  .section {
    padding-block: 82px;
  }

  .display-title {
    margin-bottom: 28px;
    font-size: clamp(40px, 12vw, 58px);
  }

  .intro-body {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .corridor-card {
    min-height: 370px;
    padding: 22px;
  }

  .route-map {
    margin-block: 45px 20px;
  }

  .service-row {
    grid-template-columns: 36px 1fr 22px;
    gap: 14px;
    padding-block: 12px;
  }

  .service-row:hover {
    padding-inline: 12px;
  }

  .service-icon {
    display: none;
  }

  .service-number {
    padding-top: 34px;
  }

  .service-content {
    padding-block: 20px;
  }

  .service-content h3 {
    font-size: 27px;
  }

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

  .sector-card {
    min-height: 390px;
  }

  .timeline-item {
    grid-template-columns: 58px 1fr;
    gap: 18px;
    min-height: 175px;
  }

  .timeline-item::before {
    left: 20px;
  }

  .timeline-index {
    width: 41px;
    height: 41px;
  }

  .principles,
  .principles-inner {
    min-height: 720px;
  }

  .principles-media {
    background-position: 58% center;
  }

  .principles-panel h2 {
    font-size: 52px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .inquiry-form {
    padding: 28px 22px;
  }

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

  .contact-details {
    margin-top: 42px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px 24px;
    padding-block: 58px;
  }

  .footer-grid > div:first-child {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }

  .back-to-top {
    right: 14px;
    bottom: 14px;
  }
}

@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;
  }

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