@font-face {
  font-family: "Futura LT";
  src:
    url("assets/fonts/FuturaLT.woff2") format("woff2"),
    url("assets/fonts/FuturaLT.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black: #000000;
  --near-black: #080808;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f2f2f2;
  --muted: rgba(255, 255, 255, 0.72);
  --font:
    "Inter", "SF Pro Display", -apple-system, BlinkMacSystemFont, sans-serif;
  --max: 1100px;
  --pad: clamp(1.5rem, 4vw, 3rem);
  --section-v: clamp(5rem, 10vw, 8rem);
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

#global-installations,
#station-mirrorwood,
#station-tetrabin,
#station-portal,
#station-cubewow,
#station-advmfg,
#corridor,
#manufacturing,
#about {
  scroll-margin-top: 100px;
}

body {
  font-size: 17.25px;
  background: var(--black);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}
figure {
  margin: 0;
}
img {
  display: block;
  max-width: 100%;
}

section {
  content-visibility: auto;
  contain-intrinsic-size: 900px;
}

.hero {
  content-visibility: visible;
}

.t-zh {
  display: none;
}
.t-en {
  display: inline;
}
body.lang-zh .t-en {
  display: none;
}
body.lang-zh .t-zh {
  display: inline;
}

.detail-body {
  display: none;
}
.detail-body.t-en {
  display: block;
}
body.lang-zh .detail-body.t-en {
  display: none;
}
body.lang-zh .detail-body.t-zh {
  display: block;
}

.nav {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1180px, calc(100% - 32px));
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.52);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.2);
}

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

.logo-mark {
  height: 38px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  flex: 0 0 auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: #c6d2ed;
  font-size: 15px;
  overflow: hidden;
}
.nav-links a {
  opacity: 0.88;
  transition:
    opacity 0.2s ease,
    color 0.2s ease;
}
.nav-links a:hover {
  opacity: 1;
  color: #fff;
}
.nav-links a.active {
  opacity: 1;
  color: #fff;
  font-weight: 700;
}

.nav-right-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-select {
  appearance: none;
  -webkit-appearance: none;
  background: rgba(255, 255, 255, 0.06)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='rgba(255,255,255,0.45)'/%3E%3C/svg%3E")
    no-repeat right 0.55rem center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 4px;
  padding: 0.32rem 1.8rem 0.32rem 0.7rem;
  cursor: pointer;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  transition:
    border-color 0.2s,
    background 0.2s;
}
.lang-select:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background-color: rgba(255, 255, 255, 0.1);
}
.lang-select option {
  background: #111;
  color: #f2f2f2;
}

.mobile-lang-select {
  width: 100%;
  font-size: 0.82rem;
  padding: 0.75rem 2rem 0.75rem 1rem;
  border-radius: 12px;
  background-color: rgba(255, 255, 255, 0.06);
}

.nav-cta {
  padding: 10px 15px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  white-space: nowrap;
  transition: 0.2s ease;
}
.nav-cta:hover {
  background: rgba(255, 255, 255, 0.16);
  transform: translateY(-1px);
}

.menu-button {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
  flex: 0 0 auto;
  position: relative;
  z-index: 110;
}
.nav {
  z-index: 105;
}
.menu-button span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  transition:
    transform 0.3s ease,
    opacity 0.3s ease;
}
.menu-button.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.menu-button.is-open span:nth-child(2) {
  opacity: 0;
}
.menu-button.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: #000;
  z-index: 100;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 2rem;
  transform: translateY(-100%);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}
.mobile-overlay.is-open {
  transform: translateY(0);
  pointer-events: all;
}

.mobile-overlay-links {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.mobile-overlay-links a {
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #fff;
  transition: color 0.2s;
}
.mobile-overlay-links a:hover {
  color: #64d8ff;
}

.mobile-overlay-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 0.5rem 0;
}

.mobile-lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.mobile-lang-btn {
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.38);
  cursor: pointer;
  transition: color 0.2s;
}
.mobile-lang-btn.is-active {
  color: #fff;
}
.mobile-lang-btn:hover {
  color: rgba(255, 255, 255, 0.8);
}
.mobile-lang-sep {
  color: rgba(255, 255, 255, 0.2);
  font-size: 0.75rem;
  user-select: none;
}

.mobile-overlay-cta {
  display: block;
  width: 100%;
  padding: 1.2rem;
  background: #fff;
  color: #000 !important;
  font-weight: 900;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  text-align: center;
  transition:
    background 0.2s,
    color 0.2s;
}
.mobile-overlay-cta:hover {
  background: #64d8ff;
}
.mobile-menu-cta:hover {
  background: rgba(255, 255, 255, 0.07);
}

.hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--black);
  padding-top: 60px;
}

#heroCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(0.85rem, 2vh, 1.35rem);
  padding: clamp(2.125rem, 5vh, 3.625rem) var(--pad) clamp(4rem, 9vh, 5.25rem);
  pointer-events: none;
  width: min(100%, 920px);
  justify-content: center;
}

.hero-eyebrow {
  font-size: clamp(0.56rem, 1.2vw, 0.66rem);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-title {
  font-size: clamp(1.3375rem, calc(4.55vw - 5px), 3.6375rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: transparent;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.92) 0%,
    rgba(255, 255, 255, 0.5) 60%,
    rgba(255, 255, 255, 0.07) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  user-select: none;
}

.hero-title-line {
  white-space: nowrap;
}
.mobile-break {
  display: none;
}

.hero-subtitle {
  font-size: clamp(0.82rem, 1.35vw, 1.02rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: rgba(255, 255, 255, 0.84);
}

.hero-desc {
  font-size: clamp(0.97rem, 1.25vw, 1.07rem);
  color: rgba(255, 255, 255, 0.54);
  max-width: 680px;
  line-height: 1.55;
  /* margin-top: 10px; */
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin-top: 0;
  pointer-events: all;
}

.hero-meta-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  padding: 0.75rem 1.1rem;
}

.hero-meta-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  flex-shrink: 0;
}

.hero-meta-num {
  font-size: clamp(1.125rem, calc(2.2vw - 2px), 1.675rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1;
}

.hero-meta-label {
  font-size: clamp(0.52rem, 0.9vw, 0.58rem);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
}

.hero-support-note {
  max-width: 680px;
  margin-top: 0.2rem;
  color: rgba(255, 255, 255, 0.68);
  font-size: clamp(0.72rem, 1vw, 0.84rem);
  font-weight: 500;
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 0.45rem;
  flex-wrap: wrap;
  justify-content: center;
  pointer-events: all;
}

.btn-primary {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.75rem 1.8rem;
  background: var(--text);
  color: var(--black);
  border-radius: 4px;
  transition: opacity 0.2s;
  display: inline-block;
}
.btn-primary:hover {
  opacity: 0.85;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  z-index: 2;
}
.scroll-line {
  display: block;
  width: 1px;
  height: 28px;
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(255, 255, 255, 0.28)
  );
  animation: pulse 2s ease-in-out infinite;
}
.scroll-label {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
@keyframes pulse {
  0%,
  100% {
    opacity: 0.3;
  }
  50% {
    opacity: 1;
  }
}

.inner {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

.section-tag {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
}
.section-tag::before {
  content: "";
  width: 14px;
  height: 1px;
  background: var(--muted);
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 1.4rem;
}

.body-text {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 1rem;
  max-width: 560px;
}
.body-text strong {
  color: var(--text);
  font-weight: 600;
}

.pill {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 0.28rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--muted);
}

.progress-section {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1.6rem 0;
  background: var(--near-black);
}

.progress-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
}

.progress-stop {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: border-color 0.2s;
}
.progress-stop:hover {
  border-color: rgba(255, 255, 255, 0.25);
}

.progress-num {
  font-size: 0.72rem;
  opacity: 0.55;
}
.progress-name {
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.progress-stop:hover .progress-name {
  color: var(--text);
}

.progress-stop--gift {
  border-color: rgba(255, 215, 0, 0.18);
}
.progress-stop--gift .progress-name {
  color: rgba(255, 215, 0, 0.65);
}

.progress-arrow {
  color: rgba(255, 255, 255, 0.14);
  font-size: 0.72rem;
}

.progress-note {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.36);
  letter-spacing: 0.04em;
}

.overview-section {
  border-top: 1px solid var(--border);
  padding: var(--section-v) 0 0;
}

.overview-section > .inner {
  padding-bottom: 3rem;
}

.station-cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
  margin-top: 3rem;
}

.scard {
  background: var(--near-black);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: background 0.2s;
}
.scard:hover {
  background: rgba(255, 255, 255, 0.03);
}

.scard-img {
  width: 100%;
  aspect-ratio: 3/4;
  overflow: hidden;
  line-height: 0;
}
.scard-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.6s ease;
}
.scard:hover .scard-img img {
  opacity: 0.92;
}

.scard-img--contain img {
  object-fit: contain;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.02);
}

.scard-body {
  padding: 1.4rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.scard-tag {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.5;
}

.scard-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  line-height: 1.25;
}

.scard-desc {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.65;
  flex: 1;
}

.scard-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.scard-duration {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3);
  margin-top: 0.2rem;
}

.airport-section {
  border-top: 1px solid var(--border);
}

.airport-section .img-overlay-label {
  display: none;
}

.img-full {
  position: relative;
  width: 100%;
  height: clamp(280px, 45vw, 520px);
  line-height: 0;
  overflow: hidden;
  margin: 0;
}
.img-full img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.airport-feature-poster,
.airport-feature-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.airport-feature-video {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.airport-feature-video.is-ready {
  opacity: 1;
}

.airport-feature-poster.is-hidden {
  opacity: 0;
}

.img-full:hover img {
  opacity: 0.92;
}
.img-full:hover .img-overlay-label,
.img-grid-portrait figure:hover .img-overlay-label {
  opacity: 1;
  transform: translateY(0);
}

.img-overlay-label {
  position: absolute;
  left: clamp(1rem, 4vw, 2rem);
  bottom: clamp(1rem, 4vw, 2rem);
  max-width: min(420px, calc(100% - 2rem));
  padding: 0.55rem 0.8rem;
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 4px;
  color: var(--text);
  font-size: clamp(0.72rem, 1.6vw, 0.9rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.35;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.8);
  z-index: 2;
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity 0.25s ease,
    transform 0.25s ease;
  pointer-events: none;
}

.img-grid-portrait {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: 0;
}
.img-grid-portrait figure {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  line-height: 0;
  margin: 0;
}
.img-grid-portrait figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.img-grid-portrait figure:hover img {
  opacity: 0.92;
}

.airport-grid-caption {
  display: block;
  width: 100%;
  margin: 0.65rem auto 0;
  padding: 0 var(--pad);
  color: #fff;
  font-size: clamp(0.72rem, 1vw, 0.86rem);
  font-weight: 500;
  line-height: 1.4;
  text-align: center;
}

.airport-text {
  padding: var(--section-v) 0;
  border-bottom: 1px solid var(--border);
}

.airport-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.sb {
  display: grid;
  grid-template-columns: 38% 1fr;
  min-height: 520px;
  border-top: 1px solid var(--border);
  margin-bottom: 3.5rem;
}

.sb--dark {
  background: var(--near-black);
}
.sb--first {
  margin-top: 0;
}

#station-mirrorwood {
  grid-template-columns: 48% 1fr;
  min-height: 920px;
  align-items: stretch;
}
#station-mirrorwood .sb-media {
  height: 100%;
}
#station-mirrorwood .sb-media img {
  object-fit: contain;
  object-position: center top;
  height: 100%;
  width: 100%;
  background: #000;
}

.mw-banner {
  width: 100%;
  line-height: 0;
}
.mw-banner {
  overflow: hidden;
}
.mw-banner img {
  width: 100%;
  height: auto;
  display: block;
  margin-top: -70px;
}

.drone-banner {
  position: relative;
  width: 100%;
  line-height: 0;
  overflow: hidden;
  background: #000;
}

.drone-banner-poster,
.drone-banner-gif {
  width: 100%;
  height: auto;
  display: block;
}

.drone-banner-gif {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.drone-banner-gif.is-ready {
  opacity: 1;
}

.drone-banner-poster.is-hidden {
  opacity: 0;
}

.drone-banner-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: rgba(0, 0, 0, 0.6);
}

.drone-banner-text {
  max-width: min(920px, 100%);
  margin: 0;
  color: #fff;
  font-family: "Futura LT", var(--font);
  font-size: clamp(1rem, 2.2vw, 2rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.01em;
  text-align: center;
  text-wrap: balance;
}

.sb--flip {
  direction: rtl;
}
.sb--flip > * {
  direction: ltr;
}

.sb-media {
  position: relative;
  overflow: hidden;
  line-height: 0;
}
.sb-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: transform 0.8s ease;
}
.sb:hover .sb-media img {
  opacity: 0.92;
}

.advmfg-media {
  position: relative;
}
.advmfg-poster,
.advmfg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.advmfg-video {
  opacity: 0;
  transition: opacity 0.6s ease;
}
.advmfg-video.is-ready {
  opacity: 1;
}
.advmfg-poster.is-hidden {
  opacity: 0;
}

.station-slider img {
  position: absolute;
  inset: 0;
  z-index: 0;
  visibility: hidden;
  opacity: 1;
  transform: translateX(100%);
  transition: transform 0.75s cubic-bezier(0.4, 0, 0.2, 1);
}
.station-slider img.is-active {
  z-index: 1;
  visibility: visible;
  transform: translateX(0);
}
.station-slider img.is-exiting {
  z-index: 1;
  visibility: visible;
  transform: translateX(-100%);
}
.station-slider-dots {
  position: absolute;
  left: 50%;
  bottom: 1rem;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  transform: translateX(-50%);
  line-height: 1;
}
.station-slider-dot {
  width: 7px;
  height: 7px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.38);
  cursor: pointer;
  padding: 0;
  transition:
    width 0.25s ease,
    background 0.25s ease;
}
.station-slider-dot.is-active {
  width: 18px;
  background: rgba(255, 255, 255, 0.9);
}

.sb-media--stack {
  display: flex;
  flex-direction: column;
}
.sb-media--stack img {
  flex: 1;
  min-height: 0;
}

.sb-media--mosaic {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}
.sb-media--mosaic img:first-child {
  grid-row: 1 / 3;
}
.sb-media--mosaic img:nth-child(2),
.sb-media--mosaic img:nth-child(3) {
  min-height: 0;
}

.sb-content {
  padding: 3.5rem clamp(2rem, 4vw, 3.5rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  overflow: hidden;
  justify-content: center;
}

.sb-num {
  position: absolute;
  top: -1.5rem;
  right: -1rem;
  font-size: clamp(7rem, 14vw, 11rem);
  font-weight: 900;
  letter-spacing: -0.06em;
  color: rgba(89, 51, 217, 0.38);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

#station-tetrabin .sb-num,
#station-cubewow .sb-num {
  right: clamp(1rem, 3vw, 2.5rem);
}

.sb-tag {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.6;
}

.sb-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--text);
  margin: 0;
}

.sb-lead {
  font-size: clamp(0.95rem, 1.6vw, 1.1rem);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.4;
  margin: 0;
}

.sb-sublead {
  font-size: 0.88rem;
  font-style: italic;
  color: var(--muted);
  margin: -0.3rem 0 0;
}

.sb-body {
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 0.4rem;
  max-width: 100%;
}

.sb-whisper {
  font-style: italic;
  color: rgba(255, 255, 255, 0.42);
  border-left: 2px solid rgba(255, 255, 255, 0.1);
  padding-left: 0.75rem;
  font-size: 0.82rem;
}

.sb-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.sb-chip {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--muted);
}

.sb-link {
  display: inline-block;
  margin-top: 0.9rem;
  font-size: 0.72rem;
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(255, 255, 255, 0.22);
  word-break: break-word;
}

.sb-destinations {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.9rem 1rem;
}

.sb-dest-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.sb-dest-list {
  font-size: 0.76rem;
  color: rgba(255, 255, 255, 0.48);
  line-height: 1.8;
}

.sb-pass {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.9rem 1rem;
}

.sb-pass-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.sb-pass-desc {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.65;
}

.sb-complete {
  font-size: 0.78rem;
  color: rgba(255, 215, 0, 0.65);
  border: 1px solid rgba(255, 215, 0, 0.15);
  background: rgba(255, 215, 0, 0.03);
  border-radius: 4px;
  padding: 0.7rem 1rem;
  line-height: 1.6;
}

.sb-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
  gap: 1rem;
}

.sb-tech {
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
}

.sb-duration {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.62);
  white-space: nowrap;
}

/* Corridor images — left: 2 horizontal stacked, right: 1 vertical */
.corridor-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 2rem;
  margin-bottom: 3rem;
  align-items: stretch;
}

.corridor-images-left {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.corridor-images-left img {
  width: 100%;
  height: 50%;
  min-height: 0;
  object-fit: cover;
  border-radius: 0;
  flex: 1;
}

.corridor-images-right {
  display: flex;
}

.corridor-images-right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

/* CubeWow cursor glow */
.cw-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(45, 212, 191, 0.05) 0%,
    transparent 70%
  );
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
  opacity: 0;
  z-index: 0;
}
#station-cubewow,
#station-tetrabin {
  position: relative;
  overflow: hidden;
}
#station-cubewow:hover .cw-glow,
#station-tetrabin:hover .cw-glow {
  opacity: 1;
}
#station-cubewow .sb-content,
#station-tetrabin .sb-content {
  position: relative;
  z-index: 1;
}
#station-tetrabin .sb-media {
  position: relative;
  z-index: 1;
}

/* ── SECTION 3: CORRIDOR ──────────────────────────────────────────── */
.corridor-section {
  border-top: 1px solid var(--border);
  padding: var(--section-v) 0;
  position: relative;
  overflow: hidden;
}

/* reuse the gradient from old about section */
.about-gradient {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 500px;
  background: linear-gradient(
    to right,
    rgba(255, 99, 8, 0.12) 0%,
    rgba(255, 99, 8, 0.1) 20%,
    rgba(189, 201, 230, 0.07) 50%,
    rgba(151, 196, 255, 0.1) 80%,
    rgba(151, 196, 255, 0.12) 100%
  );
  -webkit-mask: radial-gradient(ellipse at top, black, transparent 60%);
  mask: radial-gradient(ellipse at top, black, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.about-hairline {
  position: absolute;
  inset-x: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    rgba(255, 255, 255, 0.28),
    transparent
  );
  pointer-events: none;
  z-index: 1;
}

.particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  display: block;
  -webkit-mask: radial-gradient(circle at center, black, transparent);
  mask: radial-gradient(circle at center, black, transparent);
  z-index: 1;
}

.corridor-inner {
  position: relative;
  z-index: 2;
}

.corridor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 2.5rem;
  align-items: start;
}

.corridor-body .body-text {
  max-width: 100%;
}

.corridor-claim {
  margin-top: 1.8rem;
  padding: 1.2rem;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.corridor-claim-title {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 0.8rem;
}

.corridor-steps {
  list-style: none;
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.corridor-steps li {
  font-size: 0.82rem;
  color: var(--muted);
  padding-left: 1.4rem;
  position: relative;
  counter-increment: step;
  line-height: 1.5;
}
.corridor-steps li::before {
  content: counter(step) ".";
  position: absolute;
  left: 0;
  color: rgba(255, 255, 255, 0.34);
  font-weight: 600;
  font-size: 0.72rem;
}

.corridor-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
}

.corridor-card-inner {
  padding: 2rem;
  background: rgba(255, 255, 255, 0.02);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.corridor-card-opener {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.corridor-card-text {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 0.4rem;
}

.corridor-sig {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.34);
  font-style: italic;
}

/* ── INVITATION / PARTNERS ──────────────────────────────────────── */
.invitation-section {
  padding: var(--section-v) 0;
  border-top: 1px solid var(--border);
}

.partners-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: clamp(1.2rem, 3vw, 2rem);
  align-items: start;
}

.partner-panel {
  border: 1px solid var(--border);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.04);
  padding: clamp(1.8rem, 4vw, 3rem);
}

.partner-panel .section-title {
  margin-bottom: 1rem;
}

.partner-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.partner-item {
  border: 1px solid var(--border);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.04);
  padding: 1rem 1.2rem;
  color: var(--text);
  font-weight: 600;
  font-size: 0.82rem;
  min-height: 64px;
  display: flex;
  align-items: center;
  transition:
    background 0.2s,
    border-color 0.2s;
}

.partner-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
}

@media (max-width: 760px) {
  .partners-grid {
    grid-template-columns: 1fr;
  }
  .partner-list {
    grid-template-columns: 1fr 1fr;
  }
}

/* ── ABOUT / CTA ──────────────────────────────────────────────────── */
/* ── MANUFACTURING / CAPABILITY ─────────────────────────────────── */
.manufacturing-section {
  padding: var(--section-v) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(
      180deg,
      transparent,
      rgba(255, 255, 255, 0.03),
      transparent
    ),
    var(--black);
}

.manufacturing-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1.2rem;
  align-items: stretch;
}

.manufacturing-copy {
  border: 1px solid var(--border);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.04);
  padding: clamp(1.8rem, 4vw, 3rem);
  display: flex;
  flex-direction: column;
}

.manufacturing-copy .body-text {
  max-width: 100%;
}

.manufacturing-copy .section-tag {
  font-size: 0.93rem;
}

.mfg-quote {
  color: var(--text) !important;
  font-style: italic;
  border-left: 2px solid rgba(255, 255, 255, 0.18);
  padding-left: 1rem;
  margin-top: 1.5rem;
}

.capability-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
  align-content: stretch;
}

.cap-card {
  border: 1px solid var(--border);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.04);
  padding: 1.4rem 1.2rem;
  transition:
    background 0.2s,
    border-color 0.2s;
}

.cap-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.14);
}

.cap-card strong {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.cap-card p {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
}

@media (max-width: 760px) {
  .manufacturing-grid {
    grid-template-columns: 1fr;
  }
  .capability-grid {
    grid-template-columns: 1fr;
  }
}

.about-section {
  padding: var(--section-v) 0;
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.about-section .inner {
  position: relative;
  z-index: 2;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.9fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.about-copy {
  min-width: 0;
}

.about-media {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
}

.about-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
  margin-bottom: 2.5rem;
}

.pill--lit {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.2);
}

@media (max-width: 760px) {
  .about-layout {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

/* ── FOOTER ───────────────────────────────────────────────────────── */
.footer {
  background: var(--near-black);
  border-top: 1px solid var(--border);
  padding: 3.5rem 0 2rem;
}

.footer-cta {
  display: none;
  padding-bottom: 3rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.footer-cta-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 1rem;
}

.footer-cta-desc {
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.footer-email {
  display: inline-block;
  font-size: 0.88rem;
  color: var(--muted);
  margin-top: 1rem;
  transition: color 0.2s;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(255, 255, 255, 0.14);
}
.footer-email:hover {
  color: var(--text);
}

.footer-offices {
  margin-top: 0.8rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.34);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  width: 100%;
}

.footer-logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-left: auto;
  text-align: right;
  font-size: 0.75rem;
  color: var(--muted);
}

.footer-contact-title {
  color: var(--text);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1;
  text-transform: uppercase;
}

.footer-contact-list {
  display: grid;
  grid-template-columns: auto auto;
  gap: 0.28rem 0.85rem;
  align-items: baseline;
}

.footer-contact-list span:nth-child(odd) {
  color: rgba(255, 255, 255, 0.36);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-contact-list a {
  color: var(--muted);
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.18);
  text-underline-offset: 3px;
  transition: color 0.2s, text-decoration-color 0.2s;
}

.footer-contact-list a:hover {
  color: var(--text);
  text-decoration-color: rgba(255, 255, 255, 0.44);
}

.footer-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 0.78rem;
  color: var(--muted);
  transition: color 0.2s;
}
.footer-links a:hover {
  color: var(--text);
}

.footer-bottom {
  padding-top: 1.5rem;
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.2);
  line-height: 1.7;
  pointer-events: none;
  user-select: none;
}
.footer-bottom a {
  text-decoration: none;
  color: inherit;
  pointer-events: none;
}

/* ── Back to top ──────────────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 200;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text);
  font-size: 1rem;
  cursor: pointer;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.3s,
    background 0.2s,
    transform 0.2s;
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
}
.back-to-top:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-2px);
}

/* ── Scroll fade-in ───────────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE ───────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .station-cards {
    grid-template-columns: repeat(3, 1fr);
  }
  .station-cards .scard:nth-child(4),
  .station-cards .scard:nth-child(5) {
    grid-column: auto;
  }
}

@media (max-width: 960px) {
  .airport-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .sb,
  .sb--flip {
    grid-template-columns: 1fr;
    min-height: auto;
    direction: ltr;
  }
  .sb-media {
    min-height: 340px;
  }
  .sb-content {
    padding: 6rem var(--pad) 3rem;
  }
  .sb-num {
    top: 1rem;
    right: 0.35rem;
    font-size: clamp(4rem, 15vw, 6rem);
  }
  #station-mirrorwood {
    grid-template-columns: 1fr;
    min-height: auto;
    align-items: unset;
  }
  #station-mirrorwood .sb-media {
    height: auto;
    min-height: 530px;
  }
  #station-mirrorwood .station-slider img,
  #station-mirrorwood .sb-media > img {
    object-fit: contain;
    object-position: center;
    background: #000;
  }
  .corridor-images {
    grid-template-columns: 1fr;
  }
  .corridor-images-right img {
    max-height: 400px;
  }
  .hero-meta {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 1020px) {
  .nav-links {
    display: none;
  }
  .nav-right-group .lang-select,
  .nav-right-group .nav-cta {
    display: none;
  }
  .menu-button {
    display: flex;
  }
  .hero-content {
    gap: 1.05rem;
    padding-top: 1.625rem;
    padding-bottom: 4.25rem;
  }
  .hero-title {
    font-size: clamp(0.8875rem, calc(6.5vw - 5px), 1.6875rem);
    line-height: 1.04;
  }
  .hero-subtitle {
    font-size: 0.9rem;
    line-height: 1.38;
    max-width: 34rem;
  }
  .hero-desc {
    font-size: 1.08rem;
    line-height: 1.45;
    max-width: 36rem;
  }
  .img-full {
    height: 260px;
  }
  .img-grid-portrait {
    grid-template-columns: 1fr 1fr;
  }
  .station-cards {
    grid-template-columns: 1fr 1fr;
  }
  .sb {
    margin-left: var(--pad);
    margin-right: var(--pad);
  }
  .sb-content {
    order: 1;
  }
  .sb-media {
    order: 2;
  }
  .sb-media {
    min-height: 260px;
  }
  .sb-content {
    padding: 5.5rem 0 2.5rem;
  }
  .sb-num {
    top: 0.9rem;
    right: 0;
    font-size: clamp(3.75rem, 15vw, 5.5rem);
  }
  #station-mirrorwood .sb-media {
    min-height: 450px;
  }
  #station-mirrorwood .station-slider img,
  #station-mirrorwood .sb-media > img {
    object-fit: contain;
    object-position: center;
    background: #000;
  }
  .sb-chips {
    flex-wrap: wrap;
  }
  .corridor-grid {
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }
  .corridor-card {
    border: 0;
    overflow: visible;
  }
  .corridor-card-inner {
    padding: 0;
    background: transparent;
  }
  .corridor-card-text,
  .corridor-body .body-text {
    max-width: none;
    font-size: 1.03rem;
    line-height: 1.75;
  }
  .corridor-claim {
    padding: 1rem;
  }
  .hero-meta {
    flex-direction: column;
    border: none;
    gap: 0.5rem;
    margin-top: 0;
    width: min(100%, 26rem);
  }
  .hero-meta-item {
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.75rem 1.1rem;
    width: 100%;
    min-width: 0;
    display: grid;
    grid-template-columns: 2.5rem minmax(0, 1fr);
    align-items: center;
    column-gap: 0.9rem;
  }
  .hero-meta-num {
    font-size: 1.125rem;
    text-align: left;
  }
  .hero-meta-label {
    font-size: 0.58rem;
    min-width: 0;
    text-align: left;
    line-height: 1.45;
    white-space: nowrap;
  }
  .hero-meta-divider {
    display: none;
  }
  .hero-meta .mobile-break {
    display: none;
  }
  .mobile-break {
    display: inline;
  }
  .hero-actions {
    width: 100%;
    margin-top: 0.5rem;
  }
  .hero-actions .btn-primary {
    width: 100%;
    min-height: calc(2.5rem + 2px);
    padding: 0.65rem 1rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-brand {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.15rem;
  }
  .footer-contact {
    margin-left: 0;
    margin-top: 0.85rem;
    padding-top: 0;
    border-top: 0;
    text-align: left;
    width: 100%;
  }
  .footer-contact-list {
    grid-template-columns: 1fr;
    gap: 0.12rem;
  }
  .footer-contact-list span:nth-child(odd) {
    margin-top: 0.45rem;
  }
  .section-tag {
    font-size: 0.8rem;
  }
  .body-text {
    font-size: 1.05rem;
  }
  .cap-card strong {
    font-size: 0.9rem;
  }
  .cap-card p {
    font-size: 0.95rem;
  }
  .partner-item {
    font-size: 0.95rem;
  }
  .footer-offices {
    font-size: 0.83rem;
  }
  .footer-bottom {
    font-size: 0.8rem;
  }
  .footer-links a {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .station-cards {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: clamp(1.18rem, 6.2vw, 1.7rem);
  }
  .hero-eyebrow {
    font-size: 0.63rem;
    letter-spacing: 0.14em;
  }
  .hero-subtitle {
    font-size: 0.85rem;
  }
  .hero-desc {
    font-size: 1.04rem;
  }
  .progress-bar {
    gap: 0.3rem;
  }
}