body, html {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
}

nav {
  position: sticky;
  top: 0;
  background: #333;
  padding: 10px;
  z-index: 1000;
}
nav ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  display: flex;
}

nav ul li {
  margin-right: 20px;
}

nav ul li a {
  text-decoration: none;
  color: white;
}

/* Hero Section */
.hero {
  position: relative;
  text-align: center;
}

.hero img {
  width: 100%;
  height: auto;
  display: block;
}

/* Text overlay in image */
.hero-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 2em;
  background: rgba(0, 0, 0, 0.5);
  padding: 10px 20px;
  border-radius: 10px;
}

/* Footer */
footer {
  position: relative;
  background: #f1f1f1;
  padding: 10px;
}

footer p {
  margin: 0;
  text-align: left;
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #333;
  color: white;
  padding: 10px 15px;
  border-radius: 5px;
  text-decoration: none;
}