html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden; 
  font-family: 'Arial', sans-serif;
}

.hero {
  position: relative;     
  margin-top: -20px;
  width: 100%;
  height: 100vh;   
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;     
  z-index: 1;
  filter: brightness(0.7);
}

.hero-overlay {
  position: absolute;
  top: 45%;               
  left: 50%;             
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 2;
  color: #fff;
  user-select: none;
}

.hero-overlay h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  text-shadow: 0 2px 10px rgba(0,0,0,0.6);
}

.hero-overlay p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  text-shadow: 0 1px 8px rgba(0,0,0,0.6);
}

.btn {
  background-color: #fff;
  color: #000;
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn:hover {
  background-color: #000;
  color: #fff;
}

@media (max-width: 768px) {
  .hero-overlay h1 {
    font-size: 2rem;
  }
  .hero-overlay p {
    font-size: 1rem;
  }
  .btn {
    padding: 0.6rem 1.5rem;
  }
  .hero-overlay {
    width: 100%;
  }
}