:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #172d43;
  background: #f5f7fa;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  --primary: #1f4e79;
  --logo-blue: #365fa3;
}
* { box-sizing: border-box; }
body {
  min-width: 320px;
  margin: 0;
  background: radial-gradient(ellipse at 80% 38%, #e8eff7 0%, transparent 55%), #f5f7fa;
}
.page-shell { min-height: 100svh; display: flex; flex-direction: column; }
.page-header, .page-footer {
  width: min(100% - 96px, 1160px);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.page-header { min-height: 112px; }
.brand { display: flex; align-items: center; gap: 20px; }
.brand img { object-fit: contain; }
.brand-divider { height: 27px; width: 1px; background: #ccd7e2; }
.brand-label { font-size: 12px; color: #556779; }
.header-label { color: #718194; font-size: 11px; font-weight: 600; letter-spacing: .2em; }
.maintenance { width: 100%; flex: 1; display: grid; place-items: center; padding: 32px 48px 48px; }
.card {
  width: min(100%, 1060px);
  background: #fff;
  border: 1px solid #dfe6ee;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 24px 70px -30px #263e6230, 0 2px 6px #263e6204;
}
.card-body { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; min-height: 440px; }
.message { padding: 58px 0 52px 56px; position: relative; z-index: 1; }
.eyebrow { margin: 0 0 24px; display: flex; align-items: center; gap: 9px; color: var(--primary); font-size: 11px; font-weight: 650; letter-spacing: .12em; text-transform: uppercase; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--logo-blue); box-shadow: 0 0 0 4px #365fa310; }
h1 { margin: 0; font-size: clamp(32px, 4vw, 46px); font-weight: 600; line-height: 1.13; letter-spacing: -.045em; }
h1 span { color: var(--logo-blue); }
.description, .return-note { max-width: 350px; font-size: 14px; line-height: 1.75; color: #546679; }
.description { margin: 23px 0 0; }
.return-note { margin: 12px 0 0; color: #5e7082; font-size: 13px; }
.activity { margin-top: 30px; width: 180px; height: 3px; overflow: hidden; border-radius: 4px; background: #edf1f6; }
.activity span { display: block; width: 44%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #8aa8d0, var(--logo-blue)); animation: activity 2.8s ease-in-out infinite; }
.availability { margin: 12px 0 0; font-size: 11px; color: #64778a; min-height: 16px; }
.visual { position: relative; display: grid; place-items: center; width: 100%; aspect-ratio: 1; max-width: 450px; justify-self: center; }
.visual-grid { position: absolute; inset: 0; background-image: radial-gradient(#a6bad4 1px, transparent 1px); background-size: 20px 20px; opacity: .38; mask-image: radial-gradient(circle, #000 32%, transparent 68%); }
.orbits { position: absolute; width: 87%; overflow: visible; }
.orbit-track { stroke: #e1e8f1; stroke-width: 1; }
.inner-track { stroke-dasharray: 2 7; }
.orbit { transform-origin: 200px 200px; }
.outer-orbit { animation: orbit 22s linear infinite; }
.inner-orbit { animation: orbit 16s linear infinite reverse; }
.orbit-arc { stroke: #7f9bc2; stroke-width: 1.5; stroke-linecap: round; stroke-dasharray: 120 439; }
.inner-arc { stroke: #c1d0e3; stroke-width: 2; stroke-linecap: round; stroke-dasharray: 70 820; }
.orbit-dot { fill: var(--logo-blue); }
.secondary-dot { fill: #819bbd; }
.logo-disc { position: relative; display: grid; place-items: center; width: 53%; aspect-ratio: 1; border: 1px solid #dfe7f2; border-radius: 50%; background: #fff; box-shadow: 0 16px 48px -12px #355f9c24, 0 0 0 10px #ffffff90; }
.logo-disc img { width: 72%; height: auto; object-fit: contain; }
.visual-tag { position: absolute; bottom: 11%; display: flex; align-items: center; gap: 10px; border: 1px solid #e0e7f0; border-radius: 8px; padding: 10px 14px; background: #fff; box-shadow: 0 5px 15px #263e6208; font-size: 10px; color: #586d83; }
.signal { display: flex; align-items: center; gap: 3px; height: 15px; }
.signal i { display: block; width: 2px; height: 6px; border-radius: 2px; background: var(--logo-blue); animation: signal 1.6s ease-in-out infinite; }
.signal i:nth-child(2) { height: 13px; animation-delay: .15s; }
.signal i:nth-child(3) { height: 9px; animation-delay: .3s; }
.signal i:nth-child(4) { height: 5px; animation-delay: .45s; }
.card-footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 40px; background: #fafbfd; border-top: 1px solid #e8edf3; }
.reconnect { display: flex; align-items: center; gap: 15px; }
.reconnect svg { width: 22px; height: 22px; flex-shrink: 0; stroke: #5c7797; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.reconnect strong { font-size: 12px; font-weight: 550; color: #3e556d; }
.reconnect p { margin: 4px 0 0; font-size: 11px; color: #617285; }
.footer-note { font-size: 11px; color: #617285; }
.page-footer { min-height: 76px; border-top: 1px solid #dfe5ed; gap: 16px; font-size: 10px; color: #617285; }
.page-footer span:first-child { font-weight: 600; color: #5e7184; }
.noscript { padding: 12px 24px; font-size: 13px; color: #546679; }
@keyframes orbit { to { transform: rotate(360deg); } }
@keyframes activity { 0% { transform: translateX(-110%); } 60%, 100% { transform: translateX(340%); } }
@keyframes signal { 0%, 100% { transform: scaleY(.55); opacity: .55; } 50% { transform: scaleY(1); opacity: 1; } }
@media (max-width: 800px) {
  .page-header, .page-footer { width: calc(100% - 48px); }
  .page-header { min-height: 88px; }
  .maintenance { padding: 20px 24px 40px; }
  .message { padding: 38px 0 40px 32px; }
  h1 { font-size: 34px; }
  .description { font-size: 13px; }
  .card-footer { padding: 22px 28px; }
  .visual-tag { font-size: 9px; padding: 9px 10px; }
}
@media (max-width: 600px) {
  .page-header, .page-footer { width: calc(100% - 40px); }
  .page-header { min-height: 80px; }
  .brand { gap: 12px; }
  .brand img { width: 40px; height: 40px; }
  .brand-label { font-size: 10px; max-width: 125px; line-height: 1.5; }
  .maintenance { padding: 8px 16px 28px; }
  .card { border-radius: 18px; }
  .card-body { display: flex; flex-direction: column; }
  .visual { order: -1; width: 230px; margin: 16px auto 0; }
  .visual-tag { display: none; }
  .message { width: 100%; padding: 16px 28px 32px; text-align: center; }
  .eyebrow { justify-content: center; margin-bottom: 16px; font-size: 9px; }
  h1 { font-size: clamp(30px, 8vw, 36px); }
  .description { margin: 18px auto 0; }
  .return-note { margin: 10px auto 0; font-size: 12px; }
  .activity { margin: 24px auto 0; width: 130px; }
  .availability { font-size: 10px; }
  .card-footer { flex-direction: column; align-items: stretch; gap: 18px; padding: 20px 24px; }
  .reconnect { justify-content: center; gap: 12px; }
  .footer-note { text-align: center; font-size: 10px; }
  .page-footer { min-height: 64px; font-size: 9px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .activity span { width: 100%; opacity: .45; }
}