body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #222;
  line-height: 1.6;
}

.hero {
  position: relative;
  background: url("https://images.unsplash.com/photo-1509395176047-4a66953fd231?auto=format&fit=crop&w=1950&q=80")
    center/cover no-repeat;
  height: 90vh;
  color: #fff;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero .overlay {
  background: rgba(0, 0, 0, 0.5);
  padding: 2rem;
  border-radius: 10px;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

h2 {
  font-size: 2rem;
  margin-top: 0;
}

.section {
  padding: 4rem 10%;
}

.section.light {
  background: #f9f9f9;
}

.cards {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
}

.card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  width: 280px;
}

.btn {
  display: inline-block;
  background: #00a86b;
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 600;
  margin-top: 1rem;
  transition: background 0.2s;
}

.btn:hover {
  background: #00875a;
}

footer {
  text-align: center;
  padding: 2rem;
  background: #111;
  color: #ccc;
  font-size: 0.9rem;
}