body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #f0f0f0;
  background: #000;
  overflow: hidden;
}

.background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  z-index: 10;
  cursor: pointer;
}

.overlay-box {
  padding: 20px 30px;
  border: 1px solid #666;
  border-radius: 10px;
  background: rgba(20, 20, 20, 0.85);
  backdrop-filter: blur(5px);
}

.content {
  position: relative;
  z-index: 2;
  padding: 20px;
  text-align: center;
}

.content h1 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  text-shadow: 0 0 10px #000;
}

.about {
  max-width: 600px;
  margin: 0 auto;
  background: rgba(20, 20, 20, 0.6);
  padding: 15px 20px;
  border-radius: 10px;
}

.hidden {
  display: none;
}

@media (max-width: 600px) {
  .content h1 {
    font-size: 1.8rem;
  }
  .about {
    font-size: 0.9rem;
  }
}