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

body {
  background: #0b0f19;
  color: #ffffff;
  line-height: 1.6;
}

.navbar {
  display: flex;
  justify-content: space-between;
  padding: 20px 10%;
  background: #111827;
}

.navbar a {
  color: white;
  margin-left: 20px;
  text-decoration: none;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 100px 10%;
  min-height: 90vh;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle, #2563eb33, transparent 70%);
  animation: pulse 6s infinite ease-in-out;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 0.3; }
  100% { transform: scale(1); opacity: 0.6; }
}

.btn-primary {
  display: inline-block;
  margin-top: 20px;
  padding: 14px 28px;
  background: #2563eb;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  transition: 0.3s;
}

.btn-primary:hover {
  background: #1e40af;
}

.section {
  padding: 80px 10%;
  text-align: center;
}

.cards {
  display: flex;
  gap: 40px;
  margin-top: 40px;
}

.card {
  background: #111827;
  padding: 30px;
  border-radius: 10px;
  flex: 1;
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-10px);
}

.dark {
  background: #111827;
}

.contact-form {
  display: flex;
  flex-direction: column;
  max-width: 500px;
  margin: auto;
  gap: 15px;
}

.contact-form input,
.contact-form textarea {
  padding: 12px;
  border-radius: 6px;
  border: none;
}

.contact-form button {
  padding: 14px;
  background: #2563eb;
  border: none;
  color: white;
  cursor: pointer;
}

footer {
  background: #0b0f19;
  padding: 30px;
  text-align: center;
}

footer a {
  color: #2563eb;
  margin: 0 10px;
}

@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    text-align: center;
  }

  .cards {
    flex-direction: column;
  }
}