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

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

a {
  text-decoration: none;
  color: inherit;
}

header.hero {
  background: linear-gradient(135deg, #20264a, #3b5998);
  color: white;
  padding: 4rem 1rem;
  text-align: center;
  position: relative;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem 2rem;
}

nav .logo {
  font-size: 1.8rem;
  font-weight: bold;
}

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

nav ul li a {
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 5px;
  transition: background 0.3s;
}

nav ul li a:hover,
nav ul li a.active {
  background-color: rgba(255, 255, 255, 0.15);
}

.hero-content {
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.hero-content h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero-content p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.btn {
  background-color: #ffffff;
  color: #20264a;
  padding: 0.8rem 1.5rem;
  border-radius: 30px;
  font-weight: bold;
  transition: background-color 0.3s;
}

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

.section {
  padding: 4rem 2rem;
  text-align: center;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

footer {
  background-color: #20264a;
  color: white;
  text-align: center;
  padding: 2rem 1rem;
  margin-top: 4rem;
  font-size: 0.9rem;
}