:root {
  color-scheme: dark;
  --navy-950: #03091f;
  --navy-900: #050f30;
  --navy-800: #081a4a;
  --blue: #146dff;
  --cyan: #18d7f2;
  --white: #f7faff;
  --muted: #aebbd7;
  --line: rgba(158, 183, 235, 0.18);
  --card: rgba(7, 18, 52, 0.78);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--navy-950);
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--white);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 50% -20%, rgba(20, 109, 255, 0.26), transparent 46%),
    linear-gradient(145deg, #020718 0%, #061337 46%, #03091f 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(115deg, transparent 38%, rgba(255,255,255,0.025) 50%, transparent 62%);
  animation: sheen 10s linear infinite;
}

.page-shell {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 24px;
  padding: 42px 22px 28px;
}

.maintenance-card {
  position: relative;
  isolation: isolate;
  width: min(920px, 100%);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(150deg, rgba(11, 29, 76, 0.88), var(--card));
  box-shadow:
    0 32px 90px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}

.maintenance-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  padding: 1px;
  border-radius: inherit;
  background: linear-gradient(120deg, rgba(24,215,242,0.35), transparent 27%, transparent 72%, rgba(20,109,255,0.38));
  pointer-events: none;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.card-glow {
  position: absolute;
  top: -180px;
  right: -170px;
  width: 420px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: rgba(20, 109, 255, 0.19);
  filter: blur(34px);
  pointer-events: none;
}

.logo-panel {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 205px;
  padding: 30px clamp(22px, 6vw, 72px);
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 12%, rgba(24, 215, 242, 0.09), transparent 30%),
    linear-gradient(180deg, rgba(255,255,255,0.985), rgba(242,247,255,0.97));
  border-bottom: 1px solid rgba(142, 171, 221, 0.24);
}

.logo-panel::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--blue) 30%, var(--cyan) 72%, transparent);
  opacity: 0.85;
}

.logo {
  display: block;
  width: min(100%, 760px);
  height: auto;
  filter: drop-shadow(0 8px 16px rgba(2, 21, 72, 0.12));
}

.content {
  position: relative;
  padding: clamp(34px, 6vw, 62px) clamp(26px, 7vw, 74px) clamp(38px, 7vw, 66px);
  text-align: center;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  padding: 9px 15px;
  border: 1px solid rgba(24, 215, 242, 0.28);
  border-radius: 999px;
  color: #dffbff;
  background: rgba(13, 75, 117, 0.22);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-dot {
  position: relative;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 18px rgba(24, 215, 242, 0.95);
}

.status-dot::after {
  content: "";
  position: absolute;
  inset: -5px;
  border: 1px solid rgba(24, 215, 242, 0.65);
  border-radius: 50%;
  animation: pulse 1.8s ease-out infinite;
}

.eyebrow {
  margin: 0 0 12px;
  color: #7fc9ff;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  max-width: 760px;
  margin: 0 auto;
  font-size: clamp(2.2rem, 6vw, 4.25rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
  text-wrap: balance;
  background: linear-gradient(180deg, #ffffff 0%, #d8e4ff 84%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.message {
  max-width: 690px;
  margin: 24px auto 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.78;
  text-wrap: pretty;
}

.progress {
  position: relative;
  max-width: 420px;
  height: 5px;
  margin: 34px auto 20px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(126, 153, 211, 0.14);
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.3);
}

.progress span {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -45%;
  width: 45%;
  border-radius: inherit;
  background: linear-gradient(90deg, transparent, var(--blue), var(--cyan), transparent);
  filter: drop-shadow(0 0 7px rgba(24, 215, 242, 0.8));
  animation: loading 2.4s ease-in-out infinite;
}

.return-note {
  margin: 0;
  color: #dbe6ff;
  font-size: 0.94rem;
  font-weight: 650;
  letter-spacing: 0.02em;
}

footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 12px;
  color: rgba(190, 203, 230, 0.66);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-align: center;
}

footer > span:first-child {
  color: rgba(234, 241, 255, 0.88);
  font-weight: 750;
}

.footer-divider {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(24, 215, 242, 0.65);
}

.copyright {
  width: 100%;
  margin-top: 1px;
  color: rgba(176, 192, 222, 0.48);
}

.grid {
  position: fixed;
  inset: -20%;
  pointer-events: none;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(89, 131, 219, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(89, 131, 219, 0.09) 1px, transparent 1px);
  background-size: 62px 62px;
  transform: perspective(900px) rotateX(68deg) translateY(21%);
  transform-origin: center bottom;
  mask-image: linear-gradient(to bottom, transparent 3%, #000 44%, #000 100%);
}

.scanline {
  position: fixed;
  top: -18%;
  left: 0;
  right: 0;
  height: 24%;
  pointer-events: none;
  background: linear-gradient(to bottom, transparent, rgba(24, 215, 242, 0.035), transparent);
  animation: scan 9s linear infinite;
}

.ambient {
  position: fixed;
  z-index: 0;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(12px);
}

.ambient-one {
  width: 420px;
  height: 420px;
  top: 3%;
  left: -170px;
  background: radial-gradient(circle, rgba(20, 109, 255, 0.22), transparent 66%);
  animation: drift 13s ease-in-out infinite alternate;
}

.ambient-two {
  width: 360px;
  height: 360px;
  right: -130px;
  bottom: 2%;
  background: radial-gradient(circle, rgba(24, 215, 242, 0.15), transparent 67%);
  animation: drift 11s ease-in-out 1.5s infinite alternate-reverse;
}

@keyframes pulse {
  0% { transform: scale(0.55); opacity: 1; }
  100% { transform: scale(1.55); opacity: 0; }
}

@keyframes loading {
  0% { left: -45%; }
  55%, 100% { left: 100%; }
}

@keyframes scan {
  from { transform: translateY(-25vh); }
  to { transform: translateY(125vh); }
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(0.95); }
  to { transform: translate3d(65px, 35px, 0) scale(1.1); }
}

@keyframes sheen {
  from { transform: translateX(-60%); }
  to { transform: translateX(60%); }
}

@media (max-width: 640px) {
  .page-shell {
    padding: 22px 14px 20px;
  }

  .maintenance-card {
    border-radius: 22px;
  }

  .logo-panel {
    min-height: 148px;
    padding: 20px 18px;
  }

  .logo {
    width: 100%;
  }

  .content {
    padding: 30px 22px 38px;
  }

  .status {
    margin-bottom: 23px;
    font-size: 0.7rem;
  }

  .message {
    line-height: 1.65;
  }

  footer {
    max-width: 340px;
  }
}

@media (max-height: 760px) and (min-width: 641px) {
  .page-shell {
    padding-top: 24px;
    padding-bottom: 18px;
  }

  .logo-panel {
    min-height: 160px;
    padding-top: 20px;
    padding-bottom: 20px;
  }

  .logo {
    width: min(100%, 650px);
  }

  .content {
    padding-top: 30px;
    padding-bottom: 34px;
  }

  .status {
    margin-bottom: 20px;
  }

  .message {
    margin-top: 18px;
  }

  .progress {
    margin-top: 25px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}