* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}

body {
  background-color: #f6f6f6;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  background-color: white;
  position: fixed;
  width: 100%;
  top: 0;
}

.logo span {
  font-weight: bold;
  font-size: 20px;
  cursor: pointer;
}

nav {
  display: flex;
  gap: 15px;
  align-items: center;
  transition: max-height 0.3s ease;
  overflow: hidden;
  width: 75%;
}
p {
  margin-top: 10px;
}
nav a {
  text-decoration: none;
  color: black;
  padding: 10px;
}

nav a:hover,
.logo span:hover {
  color: gray;
}

.active {
  background-color: green;
  color: white;
  padding: 8px 12px;
  border-radius: 5px;
  margin-left: 300px;
}

.menu-toggle {
  display: none;
  cursor: pointer;
}

.row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  margin: 80px auto 0;
  max-width: 900px;
  padding: 20px;
}

.col-1 img {
  max-width: 400px;
}

.col-2 {
  flex: 1;
  max-width: 500px;
  padding: 20px;
}

.btn-group {
  display: flex;
  gap: 10px;
  margin-top: 15px;
}

.btn-group button {
  padding: 10px 15px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.btn-1 {
  background-color: #72c672;
  color: white;
}
.btn-2 {
  background-color: #d0d06e;
  color: black;
}
.btn-1:hover,
.btn-2:hover {
  opacity: 0.8;
}

@media (max-width: 800px) {
  .menu-toggle {
    display: block;
  }
  nav {
    flex-direction: column;
    max-height: 0;
  }
  nav.open {
    max-height: 400px;
  }
  .active {
    margin-right: 100px;
    margin-left: 100px;
  }
}