:root {
  --obsidian: #050A12;
  --midnight: #0C1524;
  --card: #101B2D;
  --card-elevated: #142238;
  --divider: #22324A;
  --electric-blue: #2F80FF;
  --ice-cyan: #53C7FF;
  --mist-gray: #9DA9BD;
  --snow-white: #F5F7FB;
}

* {
  box-sizing: border-box;
}

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

body {
  min-height: 100%;
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--snow-white);
  background:
    radial-gradient(circle at 20% 10%, rgba(47, 128, 255, 0.22), transparent 32rem),
    radial-gradient(circle at 80% 20%, rgba(83, 199, 255, 0.16), transparent 28rem),
    linear-gradient(180deg, #050A12 0%, #07101E 48%, #050A12 100%);
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 20px;
}

.hero {
  width: min(760px, 100%);
  text-align: center;
  padding: 56px 28px;
  border: 1px solid rgba(83, 199, 255, 0.18);
  border-radius: 32px;
  background:
    linear-gradient(180deg, rgba(20, 34, 56, 0.78), rgba(12, 21, 36, 0.72)),
    rgba(16, 27, 45, 0.72);
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.38),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(18px);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  padding: 9px 14px;
  border: 1px solid rgba(83, 199, 255, 0.32);
  border-radius: 999px;
  color: var(--ice-cyan);
  background: rgba(47, 128, 255, 0.12);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.logo-mark {
  width: 92px;
  height: 92px;
  margin: 0 auto 30px;
  display: grid;
  place-items: center;
  border-radius: 28px;
  background:
    radial-gradient(circle at 35% 20%, rgba(83, 199, 255, 0.34), transparent 52%),
    linear-gradient(145deg, rgba(47, 128, 255, 0.34), rgba(20, 34, 56, 0.78));
  border: 1px solid rgba(83, 199, 255, 0.22);
  box-shadow: 0 18px 42px rgba(47, 128, 255, 0.18);
}

.cube {
  position: relative;
  width: 46px;
  height: 46px;
  transform: rotate(45deg);
  border: 3px solid var(--snow-white);
  border-radius: 8px;
  opacity: 0.96;
}

.cube span {
  position: absolute;
  background: var(--ice-cyan);
  opacity: 0.9;
}

.cube span:nth-child(1) {
  width: 3px;
  height: 42px;
  left: 20px;
  top: 0;
}

.cube span:nth-child(2) {
  height: 3px;
  width: 42px;
  left: 0;
  top: 20px;
}

.cube span:nth-child(3) {
  width: 3px;
  height: 28px;
  right: 6px;
  bottom: -14px;
  transform: rotate(-45deg);
}

h1 {
  margin: 0;
  font-size: clamp(44px, 8vw, 76px);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

.subtitle {
  margin: 22px auto 0;
  max-width: 680px;
  color: var(--snow-white);
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.25;
  font-weight: 650;
  letter-spacing: -0.03em;
}

.description {
  margin: 20px auto 0;
  max-width: 620px;
  color: var(--mist-gray);
  font-size: 17px;
  line-height: 1.65;
}

.status-card {
  width: fit-content;
  max-width: 100%;
  margin: 34px auto 0;
  padding: 14px 18px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-radius: 999px;
  border: 1px solid rgba(34, 50, 74, 0.92);
  background: rgba(5, 10, 18, 0.42);
  color: var(--mist-gray);
  font-size: 14px;
  font-weight: 600;
}

.pulse {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--ice-cyan);
  box-shadow: 0 0 0 rgba(83, 199, 255, 0.48);
  animation: pulse 1.8s infinite;
}

.footer-note {
  margin: 30px 0 0;
  color: rgba(157, 169, 189, 0.72);
  font-size: 14px;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(83, 199, 255, 0.48);
  }

  70% {
    box-shadow: 0 0 0 12px rgba(83, 199, 255, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(83, 199, 255, 0);
  }
}

@media (max-width: 520px) {
  .hero {
    padding: 42px 20px;
    border-radius: 26px;
  }

  .logo-mark {
    width: 78px;
    height: 78px;
    border-radius: 24px;
  }

  .cube {
    width: 38px;
    height: 38px;
  }

  .status-card {
    border-radius: 20px;
    line-height: 1.35;
  }
}