* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;

  text-decoration: none;
}

html, body {
  width: 100%;
  height: 100%;

  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #333;
}

a:hover {
  color: #61dafb;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;

  padding: 16px 32px;

  background-color: #282c34;
  color: white;
}

#header-img {
  width: 40px;
}

nav ul {
  display: flex;
  gap: 24px;

  list-style: none;
}

.nav-link {
  color: white;
  font-weight: bold;
  transition: color 0.3s ease;
}

#started {
  padding: 48px 16px;
  text-align: center;
  background-color: #fff;
}

#started h1 {
  margin-bottom: 16px;
  font-size: 32px;
}

#form input[type="email"] {
  width: 250px;
  max-width: 90%;

  padding: 12px;
  margin-right: 10px;

  border: 1px solid #ccc;
  border-radius: 5px;
}

.btn {
  padding: 12px 24px;

  background-color: #007bff;
  color: white;
  border: none;
  cursor: pointer;
  border-radius: 5px;
  transition: background-color 0.3s ease;
}

.btn:hover {
  background-color: #0056b3;
}

#features {
  padding: 48px 32px;
  background-color: #f0f0f0;
}

.feature {
  margin-bottom: 32px;
}

.feature:last-child {
  margin-bottom: 0px;
}

.feature h2 {
  margin-bottom: 8px;
  font-size: 24px;
}

#pricing {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 32px;
  
  padding: 48px 16px;
  background-color: #fff;
}

.product {
  width: 300px;
  background: #e9ecef;
  padding: 32px;
  border-radius: 10px;
  
  text-align: center;
  box-shadow: 0 4px 8px rgba(0,0,0,0.05);
  transition: transform 0.3s ease;
}

.product:hover {
  transform: translateY(-5px);
}

.product-title {
  margin-bottom: 8px;
  font-size: 20.8px;
  font-weight: bold;
}

.product ol {
  margin-top: 8px;
  margin-bottom: 16px;
  list-style: none;
}

footer {
  padding: 32px 16px;
  text-align: center;
  background-color: #282c34;
  color: white;
}

footer ul {
  display: flex;
  justify-content: center;
  gap: 24px;

  margin-bottom: 16px;
  list-style: none;
}

footer a {
  color: #ccc;
  transition: color 0.3s ease;
}