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

body {
  color: #1f2933;
  line-height: 1.6;
}

.hero {
  background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)),
    url('https://images.unsplash.com/photo-1521412644187-c49fa049e84d') center/cover;
  height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-content {
  color: #fff;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.btn {
  background: #2ecc71;
  color: white;
  padding: 0.8rem 2rem;
  text-decoration: none;
  font-weight: bold;
  border-radius: 4px;
}

.section {
  padding: 4rem 10%;
}

.section h2 {
  margin-bottom: 1rem;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.features div {
  background: #f4f6f8;
  padding: 2rem;
  border-radius: 6px;
}

ul {
  margin-left: 1.2rem;
}

.contact {
  background: #eef2f5;
  text-align: center;
}

footer {
  background: #1f2933;
  color: white;
  text-align: center;
  padding: 1.5rem;
}