html, body {
  height: 100%;
}

body {
  --sim-rgb: 200, 245, 200;
  --sim-glow: rgba(var(--sim-rgb), 0.16);
  background:
    radial-gradient(circle at 50% 56%, var(--sim-glow), transparent 38rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 28%),
    var(--bg);
}

body::after {
  content: "";
  position: fixed;
  pointer-events: none;
  z-index: -1;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background: linear-gradient(110deg, transparent 0 42%, rgba(var(--sim-rgb), 0.14) 46%, transparent 52% 100%);
  animation: sweep-light 3.2s ease-in-out infinite;
}

body::after {
  inset: 0;
  background:
    linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.045), transparent),
    radial-gradient(circle at 50% 100%, rgba(var(--sim-rgb), 0.11), transparent 36rem);
  opacity: 0.7;
}

body.sim-f1 {
  --sim-rgb: 216, 59, 50;
}

body.sim-motogp {
  --sim-rgb: 212, 154, 48;
}

.page {
  display: flex;
  flex-direction: column;
  min-height: 100svh;
  padding: clamp(1rem, 2vw, 2rem);
}

.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 3.75rem;
}

.brand-lockup {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: clamp(280px, 28vw, 430px);
  height: auto;
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 1rem;
  padding: 4rem 0 6rem;
}

.status-label {
  color: rgba(var(--sim-rgb), 0.9);
  font-family: var(--font-ui);
  font-size: clamp(0.74rem, 1.6vw, 0.92rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.sim-title {
  font-family: var(--font-display);
  font-size: clamp(4rem, 14vw, 11rem);
  line-height: 0.9;
  text-transform: uppercase;
  letter-spacing: 0;
  max-width: min(12ch, 92vw);
  text-shadow: 0 0 2.4rem rgba(var(--sim-rgb), 0.18);
}

.coming-soon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  margin-top: 0.25rem;
  color: rgba(240, 237, 230, 0.62);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.loading-dots {
  display: inline-flex;
  gap: 0.28rem;
}

.loading-dots span {
  width: 0.24rem;
  height: 0.24rem;
  border-radius: 50%;
  background: rgba(var(--sim-rgb), 0.72);
  animation: dot-pulse 1.15s ease-in-out infinite;
}

.loading-dots span:nth-child(2) {
  animation-delay: 0.16s;
}

.loading-dots span:nth-child(3) {
  animation-delay: 0.32s;
}

.signal-loader {
  display: grid;
  grid-template-columns: repeat(4, minmax(3rem, 7rem));
  gap: 0.55rem;
  width: min(34rem, 86vw);
  margin-top: 1.35rem;
}

.signal-loader span {
  height: 0.18rem;
  background: rgba(var(--sim-rgb), 0.26);
  overflow: hidden;
  position: relative;
}

.signal-loader span::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(var(--sim-rgb), 0.95), transparent);
  transform: translateX(-110%);
  animation: signal-pass 1.65s ease-in-out infinite;
}

.signal-loader span:nth-child(2)::after {
  animation-delay: 0.16s;
}

.signal-loader span:nth-child(3)::after {
  animation-delay: 0.32s;
}

.signal-loader span:nth-child(4)::after {
  animation-delay: 0.48s;
}

.back-link {
  position: fixed;
  bottom: clamp(1rem, 2vw, 2rem);
  left: clamp(1rem, 2vw, 2rem);
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.15s ease;
}

.back-link:hover {
  color: var(--text);
}

@keyframes dot-pulse {
  0%, 80%, 100% {
    opacity: 0.34;
    transform: translateY(0);
  }

  40% {
    opacity: 1;
    transform: translateY(-0.18rem);
  }
}

@keyframes signal-pass {
  0% {
    transform: translateX(-110%);
  }

  58%, 100% {
    transform: translateX(110%);
  }
}

@keyframes sweep-light {
  0%, 100% {
    opacity: 0;
    transform: translateX(-24vw);
  }

  45%, 55% {
    opacity: 1;
  }

  100% {
    transform: translateX(24vw);
  }
}

@media (max-width: 620px) {
  .brand-logo {
    width: min(76vw, 320px);
  }

  .main-content {
    padding-bottom: 5rem;
  }

  .coming-soon {
    font-size: 0.76rem;
    letter-spacing: 0.14em;
  }

  .signal-loader {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  body::before,
  .loading-dots span,
  .signal-loader span::after {
    animation: none;
  }
}