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

body {
  line-height: 1.6;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  padding: 15px 40px;
  background: #111;
  color: #fff;
  position: sticky;
  top: 0;
}

header nav a {
  color: #fff;
  margin-left: 20px;
  text-decoration: none;
}

header nav a:hover {
  color: #00d9ff;
}

/* Hero */
.hero {
  height: 90vh;
  background: linear-gradient(to right, #00d9ff, #0077ff);
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.hero button {
  margin-top: 20px;
  padding: 12px 30px;
  border: none;
  background: #111;
  color: #fff;
  cursor: pointer;
  border-radius: 5px;
}

/* Sections */
section {
  padding: 60px 40px;
  text-align: center;
}

.services .service-box {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 30px;
}

.card {
  background: #f4f4f4;
  padding: 30px;
  width: 200px;
  border-radius: 8px;
}

/* Contact */
.contact form {
  max-width: 400px;
  margin: auto;
  display: flex;
  flex-direction: column;
}

.contact input,
.contact textarea {
  margin-bottom: 15px;
  padding: 10px;
}

/* Footer */
footer {
  background: #111;
  color: #fff;
  text-align: center;
  padding: 15px;
}

/* Responsive */
@media (max-width: 768px) {
  .services .service-box {
    flex-direction: column;
    align-items: center;
  }
}