/* Reset some default styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f0f7f4;
  color: #333;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
  padding: 20px;
}

header {
  background: #82c19f;
  color: white;
  padding: 40px 0;
  text-align: center;
}

nav {
  background: #61a17c;
}

nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
}

nav li {
  margin: 0 15px;
}

nav a {
  color: white;
  text-decoration: none;
  padding: 15px 0;
  display: block;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
}

main {
  margin-top: 30px;
}

.intro {
  margin-bottom: 40px;
}

.signup form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 15px;
}

.signup input[type="email"] {
  flex: 1;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

.signup button {
  padding: 10px 20px;
  background: #61a17c;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.signup button:hover {
  background: #4d8762;
}

footer {
  background: #333;
  color: white;
  text-align: center;
  padding: 20px 0;
  margin-top: 40px;
}