/* Airport Travel · WPS multi-device voyage */
:root {
  --bg: #e8edf4;
  --bg-soft: #f7f9fc;
  --ink: #121820;
  --muted: #5a6573;
  --line: rgba(18, 24, 32, 0.12);
  --accent: #0b3d91;
  --accent-2: #e8a317;
  --panel: #ffffff;
  --dark: #0f1620;
  --dark-2: #1a2432;
  --ok: #1f8a5b;
  --radius: 6px;
  --shadow: 0 18px 48px rgba(11, 61, 145, 0.12);
  --font-display: "Arial Narrow", "DIN Alternate", "Helvetica Neue", sans-serif;
  --font-body: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: Consolas, "Courier New", ui-monospace, monospace;
}

html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, #dfe7f2 0%, var(--bg) 28%, #f4f7fb 100%);
  font-family: var(--font-body);
  line-height: 1.65;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(90deg, rgba(11, 61, 145, 0.04) 1px, transparent 1px),
    linear-gradient(rgba(11, 61, 145, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
}
.site-header, main, .site-footer { position: relative; z-index: 1; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(15, 22, 32, 0.92);
  border-bottom: 2px solid var(--accent-2);
}
.nav { display: flex; align-items: center; gap: 1rem; min-height: 68px; }
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.logo small {
  display: block;
  margin-top: 0.1rem;
  color: var(--accent-2);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
}
.logo-mark {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border: 1px solid rgba(232, 163, 23, 0.55);
  background: linear-gradient(145deg, #163a78, #0b3d91);
  color: var(--accent-2);
}
.nav-links { display: flex; gap: 1.1rem; margin-left: auto; }
.nav-links a {
  color: rgba(255,255,255,0.82);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
}
.nav-links a[aria-current="page"], .nav-links a:hover { color: var(--accent-2); }
.nav-cta, .btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 132px; min-height: 44px; padding: 0.7rem 1.15rem;
  border-radius: 4px; border: none;
  background: var(--accent-2); color: #121820;
  font-weight: 700; text-decoration: none;
  white-space: nowrap; word-break: keep-all; writing-mode: horizontal-tb;
  transition: transform .2s ease, box-shadow .2s ease;
}
.nav-cta:hover, .btn:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(232,163,23,.35); }
.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid rgba(11, 61, 145, 0.35);
}
.section-dark .btn-secondary, .cta-panel .btn-secondary {
  color: #fff;
  border-color: rgba(255,255,255,0.35);
}
.btn-small { min-width: 110px; min-height: 40px; font-size: 0.9rem; }
.menu-toggle {
  display: none; width: 42px; height: 42px; margin-left: auto;
  border: 1px solid rgba(255,255,255,0.25); background: transparent;
}
.menu-toggle span {
  display: block; width: 18px; height: 2px; margin: 4px auto;
  background: #fff;
}

.container { width: min(1120px, calc(100% - 2.4rem)); margin-inline: auto; }
.hero {
  padding: 4.2rem 0 2.4rem;
  background:
    radial-gradient(ellipse at 85% 20%, rgba(232,163,23,0.18), transparent 42%),
    linear-gradient(120deg, #0f1620 0%, #163a78 48%, #1a2f4d 100%);
  color: #fff;
  overflow: clip;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.4rem;
  align-items: center;
}
.live-badge {
  display: inline-flex; align-items: center; gap: 0.55rem;
  margin-bottom: 1rem; padding: 0.35rem 0.75rem;
  border: 1px solid rgba(232,163,23,0.45);
  background: rgba(15,22,32,0.45);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--accent-2);
}
.live-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #1f8a5b;
  box-shadow: 0 0 0 0 rgba(31,138,91,.6);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(31,138,91,.55); }
  70% { box-shadow: 0 0 0 10px rgba(31,138,91,0); }
  100% { box-shadow: 0 0 0 0 rgba(31,138,91,0); }
}
.hero h1, .page-hero h1, .title {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.05;
}
.hero h1 { font-size: clamp(2.8rem, 6vw, 4.6rem); max-width: 12ch; }
.hero h1 span, .title span, .page-hero h1 span { color: var(--accent-2); }
.hero-copy p, .intro { color: rgba(255,255,255,0.82); max-width: 42ch; }
.section .intro, .page-hero .intro { color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.4rem 0 1rem; }
.trust-row { display: flex; flex-wrap: wrap; gap: 0.7rem; }
.trust-row span {
  padding: 0.28rem 0.65rem;
  border: 1px solid rgba(255,255,255,0.18);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.78);
}
.hero-visual { position: relative; }
.app-window {
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(15,22,32,0.55);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.window-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.55rem 0.8rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--accent-2);
}
.window-dots { display: flex; gap: 0.35rem; }
.window-dots i {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.35);
  display: block;
}
.hero-visual img, .collab-media img, .scene-card img, .page-media img {
  display: block; width: 100%; height: auto;
  object-fit: contain; object-position: center;
  margin: 0; padding: 0;
  min-height: 0; max-height: none;
  clip-path: none; transform: none;
}
.hero-grid { align-items: center; }
.hero-visual, .app-window { align-self: center; height: auto; padding: 0; margin: 0; }

.presence-card {
  position: absolute;
  min-width: 180px;
  padding: 0.75rem 0.9rem;
  background: #fff;
  color: var(--ink);
  border-left: 3px solid var(--accent-2);
  box-shadow: var(--shadow);
  animation: floaty 4.5s ease-in-out infinite;
}
.presence-one { left: -0.6rem; bottom: 1.2rem; }
.presence-two { right: -0.4rem; top: 1.4rem; animation-delay: -1.5s; }
.presence-card strong { display: block; font-size: 0.92rem; }
.presence-card small { color: var(--muted); }
.presence-avatars { display: flex; gap: 0.3rem; margin-top: 0.45rem; }
.presence-avatars span {
  width: 24px; height: 24px; border-radius: 50%;
  display: grid; place-items: center;
  background: #0b3d91; color: #fff; font-size: 0.68rem;
}
.sync-line {
  margin-top: 0.55rem; height: 3px; border-radius: 99px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), transparent);
  background-size: 200% 100%;
  animation: sweep 2.4s linear infinite;
}
@keyframes floaty {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
@keyframes sweep {
  from { background-position: 0% 0; }
  to { background-position: -200% 0; }
}

.boarding-strip, .release-ledger, .smart-ribbon, .compat-matrix, .trade-route, .departure-board {
  margin: 1.2rem auto;
}
.departure-board {
  display: grid;
  grid-template-columns: 1.1fr repeat(4, 1fr);
  gap: 0.55rem;
  padding: 0.85rem;
  background: #0f1620;
  color: #d7e0ea;
  border-top: 3px solid var(--accent-2);
  font-family: var(--font-mono);
}
.departure-board .hub {
  display: flex; flex-direction: column; justify-content: center;
  padding: 0.65rem 0.8rem;
  background: #163a78;
  color: #fff;
}
.departure-board .hub b {
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: 0.08em;
  color: var(--accent-2);
}
.departure-board article {
  padding: 0.7rem 0.75rem;
  border: 1px solid rgba(255,255,255,0.1);
  background: #1a2432;
}
.departure-board small {
  display: block; color: var(--accent-2); letter-spacing: 0.08em; font-size: 0.68rem;
}
.departure-board strong { display: block; margin: 0.25rem 0; font-size: 0.95rem; color: #fff; }
.departure-board span { color: rgba(255,255,255,0.65); font-size: 0.78rem; }

.release-ledger {
  display: grid; grid-template-columns: 1.5fr 0.7fr; gap: 1rem;
}
.release-ledger article {
  padding: 1.3rem 1.4rem;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
}
.release-ledger .edition {
  background: linear-gradient(160deg, #0b3d91, #163a78);
  color: #fff;
  border-color: transparent;
  display: grid; place-items: center; text-align: center;
}
.release-ledger .edition b {
  display: block;
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--accent-2);
  letter-spacing: 0.08em;
}
.release-ledger small {
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--accent);
  font-size: 0.72rem;
}
.smart-ribbon, .compat-matrix {
  display: grid; gap: 0.7rem;
}
.smart-ribbon { grid-template-columns: repeat(4, 1fr); }
.smart-ribbon > div, .compat-matrix span {
  padding: 0.9rem 1rem;
  background: rgba(255,255,255,0.78);
  border: 1px solid var(--line);
}
.smart-ribbon strong, .compat-matrix .label, .compat-matrix b {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.25rem;
}
.compat-matrix {
  grid-template-columns: auto repeat(4, 1fr);
  align-items: center;
}
.flight-path {
  display: flex; flex-wrap: wrap; gap: 0.55rem; align-items: center;
  padding: 0.85rem 1rem;
  margin: 1rem auto;
  background: #fff;
  border: 1px dashed rgba(11,61,145,0.35);
  font-family: var(--font-mono); font-size: 0.78rem;
}
.flight-path .route-hub {
  padding: 0.45rem 0.7rem;
  background: #0b3d91; color: #fff;
}
.flight-path span {
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--line);
  background: #f7f9fc;
}
.timezone-bar {
  padding: 1rem 0 0.2rem;
}
.procurement-flow {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.7rem;
}
.procurement-step {
  padding: 1rem;
  background: #0f1620;
  color: #fff;
  border-bottom: 3px solid var(--accent-2);
}
.procurement-step small {
  font-family: var(--font-mono);
  color: var(--accent-2);
  letter-spacing: 0.08em;
  font-size: 0.68rem;
}
.procurement-step strong { display: block; margin: 0.35rem 0; }
.procurement-step span { color: rgba(255,255,255,0.68); font-size: 0.88rem; }

.section { padding: 4.2rem 0; }
.section-white { background: rgba(255,255,255,0.72); }
.section-dark {
  background: linear-gradient(160deg, #0f1620, #163a78 70%, #1a2f4d);
  color: #fff;
}
.section-dark .intro, .section-dark .title span { color: rgba(255,255,255,0.78); }
.section-dark .title span { color: var(--accent-2); }
.section-head {
  display: flex; justify-content: space-between; gap: 1.5rem;
  align-items: end; margin-bottom: 1.8rem;
}
.eyebrow {
  margin: 0 0 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  text-transform: uppercase;
}
.section-dark .eyebrow { color: var(--accent-2); }
.title { font-size: clamp(2rem, 4vw, 3.2rem); max-width: 14ch; }
.collab-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center;
}
.collab-media { position: relative; }
.floating-note {
  position: absolute; left: 1rem; bottom: 1rem;
  padding: 0.7rem 0.9rem;
  background: #fff; color: var(--ink);
  border-left: 3px solid var(--accent);
  box-shadow: var(--shadow);
  font-size: 0.9rem;
}
.floating-note span { color: var(--accent); font-weight: 700; }
.check-list { padding: 0; margin: 1rem 0 0; list-style: none; }
.check-list li {
  position: relative;
  padding: 0.45rem 0 0.45rem 1.4rem;
  border-bottom: 1px solid var(--line);
}
.check-list li::before {
  content: "✈";
  position: absolute; left: 0; top: 0.45rem;
  color: var(--accent);
  font-size: 0.75rem;
}

.download-grid, .feature-grid, .scene-grid, .pricing-grid, .quotes, .requirements, .help-grid {
  display: grid; gap: 1rem;
}
.download-grid { grid-template-columns: repeat(4, 1fr); }
.feature-grid { grid-template-columns: repeat(3, 1fr); }
.scene-grid, .pricing-grid, .quotes, .requirements { grid-template-columns: repeat(3, 1fr); }
.download-card, .feature-card, .scene-card, .price-card, .quote, .requirement, .help-card, .article {
  background: #fff;
  border: 1px solid var(--line);
}
.download-card, .feature-card, .price-card, .quote, .requirement, .help-card {
  padding: 1.2rem;
}
.download-card .platform, .download-row .platform, .feature-icon, .article-num {
  display: inline-grid; place-items: center;
  min-width: 42px; min-height: 42px; padding: 0 0.5rem;
  background: #0b3d91; color: #fff;
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 700;
}
.section-dark .download-card {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.14);
  color: #fff;
}
.section-dark .download-card p { color: rgba(255,255,255,0.72); }
.card-presence {
  display: inline-block;
  margin-bottom: 0.65rem;
  padding: 0.15rem 0.45rem;
  border: 1px solid rgba(11,61,145,0.25);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}
.feature-card h3, .download-card h3, .scene-copy h3, .price-card h3 { margin: 0.55rem 0; }
.feature-card p, .download-card p, .scene-copy p, .price-card li, .quote blockquote { color: var(--muted); }
.scene-card { overflow: hidden; display: flex; flex-direction: column; }
.scene-copy { padding: 1.1rem 1.2rem 1.3rem; }
.scene-copy small {
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: 0.08em;
}
.scene-graphic {
  min-height: 150px;
  background:
    linear-gradient(135deg, rgba(11,61,145,0.12), rgba(232,163,23,0.18)),
    repeating-linear-gradient(90deg, transparent, transparent 18px, rgba(11,61,145,0.08) 18px, rgba(11,61,145,0.08) 19px);
}
.price-card.featured {
  transform: translateY(-8px);
  border: 2px solid var(--accent-2);
  box-shadow: var(--shadow);
  background: linear-gradient(180deg, #fff, #fff8eb);
}
.plan {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--accent);
}
.price { font-size: 1.8rem; font-family: var(--font-display); letter-spacing: 0.04em; }
.price small { font-family: var(--font-body); font-size: 0.85rem; color: var(--muted); }
.price-card ul { padding-left: 1.1rem; margin: 0.8rem 0 1.1rem; }
.quote-status {
  display: inline-block;
  margin-bottom: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ok);
  letter-spacing: 0.08em;
}
.quote blockquote { margin: 0 0 1rem; font-size: 1rem; color: var(--ink); }
.person { display: flex; align-items: center; gap: 0.7rem; }
.avatar {
  width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center;
  background: #0b3d91; color: #fff; font-weight: 700;
}
.person small { color: var(--muted); }
.faq-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 2rem; }
.faq-item { border: 1px solid var(--line); background: #fff; margin-bottom: 0.65rem; }
.faq-question {
  width: 100%; display: flex; justify-content: space-between; gap: 1rem;
  padding: 1rem 1.1rem; border: 0; background: transparent;
  font: inherit; font-weight: 600; cursor: pointer; text-align: left;
}
.faq-answer { display: none; padding: 0 1.1rem 1rem; color: var(--muted); }
.faq-item.open .faq-answer { display: block; }
.faq-item.open .faq-question b { color: var(--accent-2); }
.cta-panel {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 1.6rem 1.8rem;
  background: linear-gradient(120deg, #0b3d91, #163a78);
  color: #fff;
  border-left: 4px solid var(--accent-2);
}
.cta-panel h2 { margin: 0; font-family: var(--font-display); letter-spacing: 0.05em; font-size: clamp(1.6rem, 3vw, 2.4rem); }

.site-footer {
  background: #0f1620;
  color: rgba(255,255,255,0.78);
  padding: 3rem 0 1.4rem;
  border-top: 3px solid var(--accent-2);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 1.2rem;
}
.footer-brand p { max-width: 32ch; color: rgba(255,255,255,0.62); }
.footer-col h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--accent-2);
}
.footer-col a {
  display: block; color: rgba(255,255,255,0.72); text-decoration: none;
  margin: 0.35rem 0; font-size: 0.92rem;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  margin-top: 2rem; padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.85rem; color: rgba(255,255,255,0.5);
}

.page-hero {
  padding: 4rem 0 2.2rem;
  background: linear-gradient(120deg, #0f1620, #163a78 55%, #1a2f4d);
  color: #fff;
}
.page-hero-grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 2rem; align-items: center;
}
.page-hero h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); max-width: 14ch; }
.page-media { border: 1px solid rgba(255,255,255,0.16); overflow: hidden; }
.download-rows { display: grid; gap: 0.85rem; }
.download-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem; align-items: center;
  padding: 1.1rem 1.2rem;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
}
.help-hero .search-box {
  display: flex; gap: 0.6rem; margin-top: 1.2rem; max-width: 560px;
}
.search-box input {
  flex: 1; min-height: 46px; padding: 0 0.9rem;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(15,22,32,0.35); color: #fff;
}
.help-layout { display: grid; grid-template-columns: 220px 1fr; gap: 1.5rem; }
.help-nav {
  position: sticky; top: 88px; align-self: start;
  padding: 1rem;
  background: #fff; border: 1px solid var(--line);
}
.help-nav a {
  display: block; padding: 0.45rem 0;
  color: var(--muted); text-decoration: none; border-bottom: 1px solid var(--line);
}
.help-nav a:hover { color: var(--accent); }
.help-grid { grid-template-columns: repeat(2, 1fr); }
.help-card { text-decoration: none; color: inherit; transition: transform .2s ease; }
.help-card:hover { transform: translateY(-3px); }
.article-list { margin-top: 2.2rem; }
.article {
  display: grid; grid-template-columns: auto 1fr auto;
  gap: 1rem; align-items: center;
  padding: 1rem 1.1rem; margin-bottom: 0.7rem;
}
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .hero-grid, .collab-layout, .page-hero-grid, .faq-layout, .help-layout, .release-ledger,
  .departure-board, .smart-ribbon, .compat-matrix, .procurement-flow,
  .download-grid, .feature-grid, .scene-grid, .pricing-grid, .quotes, .requirements, .help-grid, .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .departure-board, .compat-matrix, .procurement-flow { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .menu-toggle { display: inline-block; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; left: 0; right: 0; top: 68px;
    padding: 1rem 1.2rem 1.2rem;
    background: #0f1620;
    z-index: 60;
  }
  .presence-card { position: static; margin-top: 0.7rem; animation: none; }
  .download-row { grid-template-columns: 1fr; }
  .section-head, .cta-panel { flex-direction: column; align-items: flex-start; }
  .price-card.featured { transform: none; }
}
@media (max-width: 640px) {
  .hero-grid, .collab-layout, .page-hero-grid, .faq-layout, .help-layout, .release-ledger,
  .departure-board, .smart-ribbon, .compat-matrix, .procurement-flow,
  .download-grid, .feature-grid, .scene-grid, .pricing-grid, .quotes, .requirements, .help-grid, .footer-grid {
    grid-template-columns: 1fr;
  }
  .download-grid { grid-template-columns: 1fr; }
  .actions .btn, .download-card .btn, .download-row .btn {
    width: 100%;
    white-space: nowrap; word-break: keep-all; writing-mode: horizontal-tb;
  }
}

/* Hero media integrity — keep at end */
.hero-grid { align-items: center !important; }
.hero-visual, .hero-visual .app-window {
  align-self: center !important;
  height: auto !important;
  padding: 0 !important;
  margin-top: 0 !important;
  margin-bottom: 0 !important;
  overflow: visible !important;
}
.hero-visual img, .app-window img {
  display: block !important;
  width: 100% !important;
  height: auto !important;
  object-fit: contain !important;
  object-position: center !important;
  margin: 0 !important;
  padding: 0 !important;
  min-height: 0 !important;
  max-height: none !important;
  clip-path: none !important;
  transform: none !important;
}