:root {
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: #000;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}

.stage {
  position: relative;
  width: 100vw;
  height: 100dvh;
  overflow: hidden;
}

.bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  opacity: 0;
  transition: opacity 1.1s ease;
  pointer-events: none;
}

.content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 24px;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 1.1s ease, transform 1.1s ease;
}

.stage.revealed .overlay {
  opacity: 1;
}

.stage.revealed .content {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.35s;
}

.logo {
  width: min(38vw, 170px);
  height: auto;
  margin-bottom: 4px;
  filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.45)) drop-shadow(0 0 18px rgba(255, 255, 255, 0.25));
}

.tagline {
  width: min(42vw, 167px);
  height: auto;
  margin-bottom: 10px;
  filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.4)) drop-shadow(0 0 14px rgba(255, 255, 255, 0.2));
}

.links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.link-btn {
  display: block;
  width: min(78vw, 302px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.link-btn img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.35)) drop-shadow(0 0 14px rgba(255, 255, 255, 0.18));
  transition: filter 0.2s ease;
}

.link-btn:hover {
  opacity: 0.8;
}

.link-btn:hover img {
  filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.55)) drop-shadow(0 0 20px rgba(255, 255, 255, 0.3));
}

.link-btn:active {
  transform: scale(0.97);
}