body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #111;
  color: #f5f5f5;
  line-height: 1.6;
}

header {
  background: linear-gradient(135deg, #000, #1f1f1f);
  text-align: center;
  padding: 60px 20px;
  border-bottom: 5px solid #7ed957;
}

h1 {
  font-size: 42px;
  margin: 0 0 10px;
}

.tagline {
  color: #7ed957;
  font-size: 22px;
  font-weight: bold;
}

.call-button {
  display: inline-block;
  margin-top: 25px;
  padding: 15px 30px;
  background: #7ed957;
  color: #000;
  font-weight: bold;
  text-decoration: none;
  border-radius: 6px;
}

section {
  max-width: 1100px;
  margin: auto;
  padding: 50px 20px;
}

h2 {
  color: #7ed957;
  font-size: 32px;
}

.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.card {
  background: #1d1d1d;
  padding: 25px;
  border-left: 5px solid #7ed957;
  border-radius: 6px;
}

.card h3 {
  margin-top: 0;
  color: white;
}

footer {
  background: #000;
  text-align: center;
  padding: 30px 20px;
  border-top: 5px solid #7ed957;
}

@media (max-width: 600px) {
  h1 {
    font-size: 30px;
  }

  .tagline {
    font-size: 18px;
  }
}