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

body {
  background: #0f172a;
  color: #ffffff;
  line-height: 1.6;
}

.navbar {
  display: flex;
  justify-content: space-between;
  padding: 20px 10%;
  background: #0f172a;
  position: fixed;
  width: 100%;
  top: 0;
}

.logo {
  font-weight: bold;
  font-size: 22px;
}

.nav-links a {
  color: white;
  text-decoration: none;
  margin-left: 20px;
  font-size: 14px;
}

.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 10%;
  background: linear-gradient(135deg, #0f172a, #1e293b);
}

.hero h1 {
  font-size: 40px;
  margin-bottom: 20px;
}

.hero p {
  font-size: 18px;
  margin-bottom: 30px;
}

.btn-primary {
  background: #3b82f6;
  color: white;
  padding: 12px 25px;
  border: none;
  border-radius: 5px;
  text-decoration: none;
  cursor: pointer;
}

.section {
  padding: 100px 10%;
  text-align: center;
}

.light {
  background: #1e293b;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.card {
  background: #1e293b;
  padding: 25px;
  border-radius: 8px;
  transition: 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  background: #334155;
}

.contact-form {
  max-width: 500px;
  margin: auto;
  display: flex;
  flex-direction: column;
}

.contact-form input,
.contact-form textarea {
  margin-bottom: 15px;
  padding: 10px;
  border: none;
  border-radius: 4px;
}

footer {
  padding: 20px;
  text-align: center;
  background: #0f172a;
  font-size: 14px;
}