* {
  margin: 0; padding: 0; box-sizing: border-box;
}
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #f9fafb;
}
a {
  color: #0078d7;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}
nav {
  background: #0078d7;
  color: white;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}
nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
nav a {
  color: white;
  margin-left: 1rem;
  font-weight: 600;
  cursor: pointer;
}
nav a:first-child {
  margin-left: 0;
}
header {
  height: 80vh;
  background: linear-gradient(135deg, #0078d7 0%, #00bcd4 100%);
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 20px;
}
header h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
  letter-spacing: 1.5px;
}
header p {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  font-weight: 300;
}
header .cta-btn {
  background: white;
  color: #0078d7;
  padding: 0.75rem 2rem;
  font-size: 1.1rem;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  font-weight: 700;
  transition: background 0.3s ease;
}
header .cta-btn:hover {
  background: #005fa3;
  color: white;
}
section {
  padding: 4rem 0;
}
section h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
  color: #0078d7;
  font-weight: 700;
}
#about p {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.1rem;
  line-height: 1.8;
  text-align: center;
  color: #555;
}
#services {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}
.service-item {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  width: 280px;
  text-align: center;
}
.service-item h3 {
  color: #0078d7;
  margin-bottom: 1rem;
}
#contact {
  text-align: center;
  font-size: 1.1rem;
  color: #333;
}
#contact a {
  display: inline-block;
  margin: 0.5rem 1rem;
  font-weight: 600;
}
footer {
  text-align: center;
  padding: 2rem 0;
  background: #eaeaea;
  font-size: 0.9rem;
  color: #555;
}
html {
  scroll-behavior: smooth;
}
@media (max-width: 600px) {
  header h1 {
    font-size: 2.25rem;
  }
  header p {
    font-size: 1.1rem;
  }
  #services {
    flex-direction: column;
    align-items: center;
  }
  .service-item {
    width: 90%;
  }
}