/* Reset & base */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Orbitron', sans-serif;
  background-color: #0e0e0e;
  color: #fff;
  overflow-x: hidden;
}

/* Background slider */
.background-slider {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  transition: background-image 1.5s ease-in-out;
}

/* Overlay container */
.overlay-content {
  position: relative;
  z-index: 1;
  background-color: rgba(0, 0, 0, 0.75);
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Header / Hero */
.hero {
  text-align: center;
  margin-bottom: 3rem;
}

.hero h1 {
  font-size: 3rem;
  color: #00ffff;
  text-shadow: 0 0 12px #00ffff, 0 0 24px #00ffff;
  margin: 0;
  letter-spacing: 0.06em;
}

.hero h2 {
  font-size: 1.75rem;
  color: #ff2caa;
  text-shadow: 0 0 12px #ff2caa, 0 0 24px #ff2caa;
  margin-top: 0.2rem;
  letter-spacing: 0.05em;
}

/* CTA button */
.cta-button {
  margin-top: 1.5rem;
  padding: 1rem 2.5rem;
  font-size: 1.3rem;
  background: linear-gradient(45deg, #ff2caa, #00ffff);
  color: #0e0e0e;
  border: none;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  display: inline-block;
  box-shadow: 0 0 15px #00ffff, 0 0 30px #ff2caa;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
  transform: scale(1.1);
  box-shadow: 0 0 30px #00ffff, 0 0 45px #ff2caa;
}

/* Gallery */
.gallery {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.gallery img {
  max-width: 250px;
  width: 100%;
  border-radius: 14px;
  box-shadow: 0 0 25px rgba(255, 255, 255, 0.2);
  display: block;
  margin: 0 auto;
  transition: transform 0.3s ease;
}

.gallery img:hover {
  transform: scale(1.05);
  box-shadow: 0 0 40px #ff2caa, 0 0 60px #00ffff;
}

/* Footer */
.footer {
  text-align: center;
  padding: 2rem 0;
  font-size: 0.9rem;
  color: #bbb;
  text-shadow: 0 0 8px #ff2caa;
  font-style: italic;
  letter-spacing: 0.05em;
}

/* Responsive */
@media (max-width: 600px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .hero h2 {
    font-size: 1.3rem;
  }

  .gallery img {
    max-width: 100%;
  }
}