body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #111;
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 20px;
}

header {
  background: #000;
  color: #fff;
}

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

nav a {
  color: #fff;
  margin-left: 20px;
  text-decoration: none;
}

.hero {
  background: #f5f5f5;
  padding: 80px 20px;
  text-align: center;
}

.hero h1 {
  font-size: 36px;
}

.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 20px;
  background: black;
  color: white;
  text-decoration: none;
}

.section {
  padding: 60px 20px;
}

.section.alt {
  background: #f9f9f9;
}

.grid {
  display: grid;
  gap: 20px;
}

@media (min-width: 768px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card {
  border: 1px solid #ddd;
  padding: 20px;
}

.process div {
  margin-bottom: 20px;
}

.center {
  text-align: center;
}

footer {
  background: #000;
  color: #fff;
  text-align: center;
}