body {
  margin: 0;
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: #f5f5f5;
  color: #333;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}

header {
  background-color: #013220;
  padding: 0.5rem 0;
}

header h1 {
  display: none;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  background-color: #013220;
}

nav ul li {
  margin: 0;
}

nav ul li a {
  display: block;
  padding: 0.75rem 1.5rem;
  color: white;
  text-decoration: none;
  font-weight: bold;
}

nav ul li a.active,
nav ul li a:hover {
  background-color: #025e30;
}

.hero-img {
  width: 100%;
  max-height: 250px;
  object-fit: cover;
  display: block;
}

main.container {
  width: 100%;
  max-width: 900px;
  margin: 2rem auto;
  padding: 2rem;
  background: white;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  box-sizing: border-box;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.intro h2 {
  color: #013220;
}

.cta {
  background-color: #e0ffe0;
  padding: 1rem;
  margin-top: 2rem;
  border-left: 5px solid #013220;
}

footer {
  text-align: center;
  padding: 1rem;
  background-color: #013220;
  color: white;
}

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  flex-direction: column;
}

main.container {
  flex: 1;
}
.gallery {
  margin-top: 3rem;
}

.gallery h3 {
  text-align: center;
  color: #013220;
  margin-bottom: 1rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

.grid img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}