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

body {
  color: #333;
  line-height: 1.6;
}

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

header {
  background: white;
  padding: 20px 0;
  border-bottom: 1px solid #eee;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 22px;
  font-weight: bold;
}

.btn {
  text-decoration: none;
  color: #0f172a;
  border: 1px solid #0f172a;
  padding: 8px 16px;
  border-radius: 4px;
}

.hero {
  background: linear-gradient(135deg, #e0f2fe, #ffffff);
  padding: 100px 0;
  text-align: center;
}

.hero h2 {
  font-size: 36px;
  margin-bottom: 20px;
}

.hero p {
  margin-bottom: 25px;
}

.btn-primary {
  background: #0f172a;
  color: white;
  padding: 12px 24px;
  text-decoration: none;
  border-radius: 4px;
}

section {
  padding: 80px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.card {
  background: #f9fafb;
  padding: 25px;
  border-radius: 6px;
}

footer {
  background: #0f172a;
  color: white;
  text-align: center;
  padding: 20px 0;
}