* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.header {
  padding: 2rem 0;
  border-bottom: 1px solid #eee;
}

.logo {
  font-size: 2rem;
  font-weight: 700;
}

.hero {
  padding: 8rem 0;
  text-align: center;
}

.hero h2 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.hero p {
  max-width: 700px;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  background: #111;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
}

.about,
.services,
.contact {
  padding: 5rem 0;
}

.about h3,
.services h3,
.contact h3 {
  margin-bottom: 1.5rem;
  font-size: 2rem;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.card {
  padding: 2rem;
  border: 1px solid #ddd;
  border-radius: 8px;
}

.card h4 {
  margin-bottom: 1rem;
}

.contact {
  background: #f7f7f7;
}

@media (max-width: 768px) {
  .service-grid {
    grid-template-columns: 1fr;
  }

  .hero h2 {
    font-size: 2.2rem;
  }
}