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

body {
  background: #0f172a;
  color: #fff;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  background: rgba(0, 0, 0, 0.8);
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
}

.menu-toggle {
  display: none;
  font-size: 24px;
  cursor: pointer;
}

/* Hero */
.hero {
  height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #1e3a8a, #0f172a);
  text-align: center;
}

.hero h1 {
  font-size: 48px;
}

.btn {
  margin-top: 20px;
  padding: 12px 25px;
  background: #22c55e;
  color: #000;
  border-radius: 5px;
  text-decoration: none;
}

/* Sections */
.section {
  padding: 60px 20px;
  text-align: center;
}

/* Services */
.services {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.service-box {
  background: rgba(255, 255, 255, 0.1);
  padding: 20px;
  width: 250px;
  border-radius: 10px;
}

/* Portfolio */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.project {
  background: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 10px;
}

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

.contact input,
.contact textarea {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
}

/* WhatsApp */
.whatsapp {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25d366;
  color: #000;
  padding: 15px;
  border-radius: 50%;
  text-decoration: none;
}

/* Footer */
footer {
  text-align: center;
  padding: 20px;
  background: #020617;
}

/* Mobile */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    background: #000;
    position: absolute;
    top: 60px;
    right: 20px;
    padding: 20px;
  }

  .menu-toggle {
    display: block;
  }
}