:root {
  --bg: #000000;
  --logo-desktop: 872px;  /* approx +35% vs prior logo */
  --sign-desktop: 420px;  /* approx +50% vs prior sign */
  --mobile-gap: 22px;
  --desktop-gap: 34px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100svh;
  overflow-x: hidden;
  font-family: Arial, Helvetica, sans-serif;
  color: #fff;
}

.page {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
}

.hero {
  width: 100%;
  min-height: calc(100svh - 32px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--desktop-gap);
  background: var(--bg);
}

.main-logo {
  display: block;
  width: min(90vw, var(--logo-desktop));
  height: auto;
  user-select: none;
  pointer-events: none;
}

.pulsing-sign {
  display: block;
  width: min(44vw, var(--sign-desktop));
  max-width: 100%;
  height: auto;
  transform-origin: center center;
  animation: slowPulse 6.2s ease-in-out infinite;
  will-change: transform, filter, opacity;
  user-select: none;
  pointer-events: none;
}

@keyframes slowPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.985;
    filter: drop-shadow(0 0 0 rgba(255, 214, 0, 0));
  }
  50% {
    transform: scale(1.075);
    opacity: 1;
    filter: drop-shadow(0 0 18px rgba(255, 214, 0, 0.30));
  }
}

@media (max-width: 767px) and (orientation: portrait) {
  .page {
    padding-top: max(22px, env(safe-area-inset-top));
    padding-bottom: max(22px, env(safe-area-inset-bottom));
  }

  .hero {
    min-height: calc(100svh - 44px);
    gap: var(--mobile-gap);
  }

  .main-logo {
    width: min(92vw, 700px);
  }

  .pulsing-sign {
    width: min(62vw, 420px);
  }
}

@media (max-width: 400px) and (orientation: portrait) {
  .hero {
    gap: 18px;
  }

  .main-logo {
    width: 94vw;
  }

  .pulsing-sign {
    width: 66vw;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pulsing-sign {
    animation: none;
  }
}