* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fdfdfd;
}
a {
  text-decoration: none;
  color: inherit;
}

header.hero {
  background: url('https://images.unsplash.com/photo-1506744038136-46273834b3fb?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
  height: 100vh;
  color: white;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-content {
  background-color: rgba(0, 0, 0, 0.5);
  padding: 2rem;
  border-radius: 12px;
}
.hero h1 {
  font-size: 2.5rem;
}
.hero p {
  font-size: 1.2rem;
  margin: 1rem 0;
}
.btn-primary {
  background-color: #5a9678;
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: bold;
}
.btn-primary:hover {
  background-color: #4a8569;
}

section {
  padding: 4rem 2rem;
  max-width: 900px;
  margin: 0 auto;
}
h2 {
  margin-bottom: 1rem;
  color: #5a9678;
}
ul {
  list-style-type: disc;
  margin-left: 2rem;
}

.pillars .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}
.card {
  background: #eef5f0;
  padding: 1rem;
  border-radius: 10px;
  text-align: center;
}
.card strong {
  color: #385f4c;
  display: block;
  margin-bottom: 0.5rem;
}

.btn-secondary {
  background-color: #385f4c;
  color: white;
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  display: inline-block;
  margin-top: 1rem;
}
.btn-secondary:hover {
  background-color: #2c4a3b;
}

footer {
  background: #f3f3f3;
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
}