:root {
  --blue: #0066cc;
  --blue-bright: #2f8cff;
  --blue-soft: #dceeff;
  --ink: #111319;
  --muted: #626771;
  --line: rgb(18 34 55 / 12%);
  --paper: #f8fafb;
  --navy: #071a3d;
  --night: #061226;
  --green: #18ad75;
  --page: min(1180px, calc(100vw - 48px));
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: #fff; color: var(--ink); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, select { font: inherit; }
.page-width { width: var(--page); margin-inline: auto; }
.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;
  inset: 0 0 auto;
  z-index: 50;
  min-height: 64px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 10px max(24px, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid rgb(255 255 255 / 34%);
  background: rgb(242 248 252 / 76%);
  backdrop-filter: saturate(170%) blur(24px);
  -webkit-backdrop-filter: saturate(170%) blur(24px);
}

.brand { display: inline-flex; width: max-content; align-items: center; gap: 10px; }
.brand img { width: 27px; height: 23px; object-fit: contain; }
.brand-lockup { display: grid; gap: 1px; line-height: 1; }
.brand-lockup strong { font-size: 14px; font-weight: 720; letter-spacing: -.02em; }
.brand-lockup small { color: #59616b; font-size: 10px; font-weight: 650; letter-spacing: .02em; }
.main-nav { display: flex; align-items: center; gap: 30px; color: #3f4650; font-size: 14px; }
.main-nav a, .footer-links a { transition: color 180ms ease; }
.main-nav a:hover, .footer-links a:hover { color: var(--blue); }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 12px; }
.language-picker select { min-height: 38px; padding: 0 28px 0 12px; border: 0; border-radius: 999px; color: #303640; background: rgb(255 255 255 / 62%); }
.nav-cta, .primary-button, .download-button { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 18px; border-radius: 999px; background: var(--blue); color: #fff; font-size: 14px; font-weight: 650; white-space: nowrap; }
.nav-cta, .primary-button, .download-button { transition: transform 180ms ease, background 180ms ease; }
.nav-cta:hover, .primary-button:hover { background: #0874df; transform: translateY(-1px); }

.hero { position: relative; min-height: 100svh; overflow: hidden; background: #eef6fb; }
.hero-map { position: absolute; inset: 0; background: linear-gradient(90deg, rgb(238 246 251 / 98%) 0%, rgb(238 246 251 / 82%) 46%, rgb(238 246 251 / 32%) 100%), url("assets/hkg-map.jpg") center / cover; opacity: .9; transform: scale(1.02); }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 34%; background: linear-gradient(transparent, #eef6fb); pointer-events: none; }
.hero-content { position: relative; z-index: 2; min-height: 100svh; display: grid; grid-template-columns: 1fr .9fr; align-items: center; gap: clamp(38px, 7vw, 100px); padding-block: 116px 72px; }
.hero-copy { max-width: 650px; }
.eyebrow { margin: 0 0 18px; color: var(--blue); font-size: 13px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { letter-spacing: -.05em; }
h1 { margin-bottom: 28px; font-size: clamp(54px, 5vw, 72px); line-height: 1; font-weight: 720; }
.hero-lede { max-width: 610px; margin-bottom: 34px; color: #3d4651; font-size: clamp(20px, 2.2vw, 28px); line-height: 1.45; letter-spacing: -.025em; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; }
.primary-button { min-height: 52px; padding-inline: 24px; font-size: 16px; }
.availability { color: #565f69; font-size: 14px; }

.hero-stage { position: relative; min-height: 690px; display: grid; place-items: center; }
.phone-shell { position: relative; z-index: 2; overflow: hidden; padding: 8px; border: 1px solid rgb(255 255 255 / 48%); border-radius: 49px; background: #08090c; box-shadow: 0 35px 100px rgb(24 51 72 / 26%), 0 8px 28px rgb(7 21 37 / 16%); }
.phone-shell img { width: 100%; border-radius: 41px; }
.hero-phone { width: min(330px, 72vw); transform: rotate(2.2deg); }
.journey-section { overflow: hidden; padding: 128px 0 140px; background: #fff; }
.section-heading { max-width: 760px; }
.centered-heading { margin-inline: auto; text-align: center; }
.section-heading h2, .feature-copy h2, .trace-copy h2, .download-card h2 { margin-bottom: 22px; font-size: clamp(42px, 5vw, 68px); line-height: 1.04; font-weight: 690; }
.section-heading > p:last-child, .feature-copy > p:last-child, .trace-copy > p { color: var(--muted); font-size: 20px; line-height: 1.55; letter-spacing: -.02em; }
.experience-showcase { display: grid; gap: 34px; margin: 76px 0 0; padding: 0; list-style: none; }
.experience-scene { position: relative; min-height: 650px; display: grid; grid-template-columns: minmax(360px, .95fr) 1fr; align-items: center; gap: clamp(58px, 9vw, 138px); overflow: hidden; padding: 54px clamp(40px, 6vw, 86px); border-radius: 44px; background: linear-gradient(140deg, #edf5fb, #f8fbfd 68%); }
.experience-scene::before { content: ""; position: absolute; width: 480px; height: 480px; border: 1px solid rgb(0 102 204 / 10%); border-radius: 50%; box-shadow: 0 0 0 64px rgb(0 102 204 / 3%), 0 0 0 128px rgb(0 102 204 / 2%); }
.scene-departures::before, .scene-gate::before { left: -220px; bottom: -190px; }
.scene-tear::before { right: -220px; top: -190px; }
.scene-tear { grid-template-columns: 1fr minmax(360px, .95fr); background: linear-gradient(215deg, #f1f3f8, #fbfbfd 68%); }
.scene-tear .scene-visual { grid-column: 2; }
.scene-tear .scene-copy { grid-column: 1; grid-row: 1; }
.scene-visual { position: relative; z-index: 2; display: grid; place-items: center; }
.app-screen { position: relative; overflow: hidden; width: min(348px, 100%); border: 1px solid rgb(255 255 255 / 72%); border-radius: 39px; background: #eaf1f6; box-shadow: 0 30px 70px rgb(15 40 62 / 22%), 0 4px 18px rgb(15 40 62 / 10%); }
.app-screen img { width: 100%; height: 100%; object-fit: cover; }
.departures-screen { aspect-ratio: 368 / 800; background: #050609; }
.tear-screen { aspect-ratio: 368 / 700; }
.gate-screen { aspect-ratio: 368 / 800; }
.scene-copy { position: relative; z-index: 2; max-width: 470px; }
.scene-index { display: block; margin-bottom: 18px; color: var(--blue); font: 750 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .12em; }
.scene-copy h3 { margin-bottom: 22px; font-size: clamp(34px, 4vw, 54px); line-height: 1.05; letter-spacing: -.045em; }
.scene-copy p { margin: 0; color: var(--muted); font-size: 19px; line-height: 1.58; letter-spacing: -.018em; }

.feature-stage { position: relative; overflow: hidden; min-height: 900px; padding: 120px 0; background: var(--night); color: #fff; }
.feature-map { position: absolute; inset: 0; background: linear-gradient(90deg, #061226 0%, rgb(6 18 38 / 82%) 50%, #061226 100%), url("assets/world-map.png") center / cover no-repeat; opacity: .95; }
.feature-layout { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr minmax(280px, 340px) .85fr; align-items: center; gap: clamp(42px, 6vw, 88px); }
.feature-copy h2 { font-size: clamp(44px, 5vw, 70px); text-wrap: balance; }
.feature-copy > p:last-child { color: rgb(255 255 255 / 68%); }
.light-eyebrow { color: #73b7ff; }
.feature-phone { width: min(330px, 66vw); justify-self: center; box-shadow: 0 40px 120px rgb(0 0 0 / 48%); }
.feature-points { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgb(255 255 255 / 18%); }
.feature-points li { display: grid; grid-template-columns: 40px 1fr; align-items: center; gap: 14px; padding: 22px 0; border-bottom: 1px solid rgb(255 255 255 / 18%); }
.feature-points span { color: #6fb5ff; font: 700 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.feature-points strong { font-size: 17px; line-height: 1.3; }

.trace-section { position: relative; overflow: hidden; padding: 140px 0; background: #edf6fb; }
.trace-map { position: absolute; inset: 0; background: radial-gradient(circle at 78% 40%, transparent 0 11%, rgb(237 246 251 / 66%) 48%, #edf6fb 78%), url("assets/world-map.png") center / cover; opacity: .5; }
.trace-layout { position: relative; z-index: 2; display: grid; grid-template-columns: .95fr 1fr; align-items: center; gap: clamp(68px, 10vw, 150px); }
.passport-wrap { position: relative; justify-self: center; width: min(370px, 72vw); transform: rotate(-2deg); filter: drop-shadow(0 28px 35px rgb(13 30 49 / 23%)); }
.passport-wrap img { width: 100%; }
.passport-ticket { position: absolute; z-index: -1; left: 13%; right: 13%; top: -15%; height: 35%; padding: 20px 22px; border-radius: 18px 18px 4px 4px; background: #fffef9; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.passport-ticket span { display: block; color: #737980; font-size: 10px; letter-spacing: .08em; }
.passport-ticket strong { display: block; margin-top: 18px; color: #092667; font-size: 24px; }
.trace-copy { max-width: 590px; }
.trace-copy > p { max-width: 570px; }
.trace-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 42px; }
.trace-stats div { padding: 22px 18px; border: 1px solid rgb(255 255 255 / 75%); border-radius: 22px; background: rgb(255 255 255 / 58%); backdrop-filter: blur(18px); }
.trace-stats strong { display: block; font-size: 28px; letter-spacing: -.04em; }
.trace-stats span { display: block; margin-top: 6px; color: var(--muted); font-size: 13px; }

.download-section { position: relative; overflow: hidden; min-height: 670px; display: grid; place-items: center; padding: 100px 24px; background: linear-gradient(145deg, #071a3d, #09265a 58%, #063d77); color: #fff; }
.download-section::before { content: ""; position: absolute; width: 760px; height: 760px; border: 1px solid rgb(93 174 255 / 16%); border-radius: 50%; box-shadow: 0 0 0 90px rgb(63 151 238 / 4%), 0 0 0 180px rgb(63 151 238 / 3%); }
.download-card { position: relative; z-index: 2; max-width: 740px; text-align: center; }
.download-card > img { width: 92px; height: 92px; margin: 0 auto 28px; border-radius: 22px; box-shadow: 0 14px 40px rgb(0 0 0 / 28%); }
.download-card .eyebrow { color: #81c1ff; }
.download-card h2 { font-size: clamp(36px, 5.4vw, 74px); }
.download-line { white-space: nowrap; }
.download-card > p:not(.eyebrow) { color: rgb(255 255 255 / 66%); font-size: 20px; }
.download-button { min-height: 52px; margin-top: 18px; padding-inline: 28px; background: #fff; color: #082454; }
.download-button:hover { background: #f1f5fa; transform: translateY(-1px); }
.download-route { position: absolute; z-index: 1; bottom: 44px; display: flex; align-items: center; gap: 14px; color: rgb(255 255 255 / 42%); font: 700 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .1em; }
.download-route i { width: 88px; height: 1px; background: rgb(255 255 255 / 25%); }
.download-route b { color: #74baff; font-size: 20px; transform: rotate(4deg); }

.site-footer { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 28px; padding: 38px max(24px, calc((100vw - 1180px) / 2)); background: #fff; color: var(--muted); font-size: 13px; }
.footer-brand { display: flex; align-items: center; gap: 11px; color: var(--ink); }
.footer-brand img { width: 25px; height: 22px; object-fit: contain; }
.footer-brand strong, .footer-brand small, .footer-brand span { display: block; }
.footer-brand small { margin-top: 2px; color: var(--muted); font-size: 10px; font-weight: 650; }
.footer-brand span { margin-top: 2px; color: var(--muted); font-size: 11px; }
.footer-links { display: flex; gap: 24px; }
.site-footer > p { justify-self: end; margin: 0; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .main-nav { display: none; }
  .hero-content { grid-template-columns: 1fr .8fr; gap: 28px; }
  .feature-layout { grid-template-columns: 1fr .8fr; }
  .feature-points { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(2, 1fr); }
  .feature-points li:nth-child(odd) { padding-right: 22px; }
  .feature-points li:nth-child(even) { padding-left: 22px; }
}

@media (max-width: 760px) {
  :root { --page: min(100% - 36px, 620px); }
  .site-header { min-height: 58px; padding: 8px 18px; gap: 10px; }
  .brand { gap: 7px; }
  .brand img { width: 23px; height: 20px; }
  .brand-lockup strong { font-size: 12px; }
  .brand-lockup small { font-size: 9px; }
  .header-actions { gap: 6px; }
  .language-picker select { max-width: 92px; min-height: 36px; padding: 0 22px 0 10px; font-size: 12px; }
  .nav-cta { min-height: 38px; padding-inline: 10px; font-size: 12px; }
  .hero-content { grid-template-columns: 1fr; min-height: auto; padding-block: 118px 84px; text-align: center; }
  .hero-copy { margin-inline: auto; }
  h1 { font-size: clamp(44px, 11vw, 54px); line-height: 1.04; }
  .hero-lede { font-size: 19px; }
  .hero-actions { justify-content: center; }
  .hero-stage { min-height: 590px; }
  .journey-section, .trace-section { padding-block: 96px; }
  .experience-showcase { margin-top: 54px; }
  .experience-scene, .scene-tear { min-height: auto; grid-template-columns: 1fr; gap: 40px; padding: 44px 28px 38px; border-radius: 34px; }
  .scene-tear .scene-visual, .scene-tear .scene-copy { grid-column: 1; }
  .scene-tear .scene-copy { grid-row: auto; }
  .scene-visual { grid-row: 1; }
  .scene-copy { grid-row: 2; }
  .app-screen { width: min(330px, 88vw); }
  .scene-copy { max-width: 540px; }
  .feature-stage { padding-block: 96px; }
  .feature-layout { grid-template-columns: 1fr; }
  .feature-copy { text-align: center; }
  .feature-phone { grid-row: 2; }
  .feature-points { grid-column: auto; grid-template-columns: 1fr; }
  .feature-points li:nth-child(n) { padding-inline: 0; }
  .trace-layout { grid-template-columns: 1fr; text-align: center; }
  .passport-wrap { grid-row: 2; margin-top: 38px; }
  .trace-stats { text-align: left; }
  .site-footer { grid-template-columns: 1fr; text-align: center; }
  .footer-brand, .footer-links { justify-self: center; }
  .site-footer > p { justify-self: center; }
}

@media (max-width: 430px) {
  .hero-stage { min-height: 550px; }
  .hero-phone { width: 278px; }
  .experience-scene, .scene-tear { padding-inline: 20px; }
  .scene-copy h3 { font-size: 34px; }
  .scene-copy p { font-size: 17px; }
  .trace-stats { grid-template-columns: 1fr; }
  .trace-stats div { display: flex; align-items: baseline; justify-content: space-between; }
  .trace-stats span { margin-top: 0; }
}

@media (max-width: 340px) {
  .nav-cta { display: none; }
}