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

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f4f4f4;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem;
}

header {
  background-color: #20232a;
  padding: 1rem 0;
  color: white;
}

header h1 {
  font-size: 1.8rem;
}

header .highlight {
  color: #61dafb;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.2rem;
  margin-top: 0.5rem;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: 0.3s;
}

nav a:hover,
nav a.active {
  color: #61dafb;
}

.hero {
  background: linear-gradient(to right, #61dafb, #007acc);
  color: white;
  padding: 4rem 0;
  text-align: center;
}

.hero h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.btn {
  background-color: white;
  color: #007acc;
  padding: 0.8rem 1.6rem;
  border-radius: 5px;
  font-weight: bold;
  text-decoration: none;
  transition: 0.3s;
}

.btn:hover {
  background-color: #e0e0e0;
}

.intro {
  padding: 3rem 0;
  background-color: #fff;
  text-align: center;
}

.intro h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

footer {
  background-color: #20232a;
  color: white;
  text-align: center;
  padding: 2rem 1rem;
  font-size: 0.9rem;
  margin-top: 3rem;
}