* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  background: #f5f7fa;
  color: #003366;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ===== HEADER ===== */
.main-header {
  background-color: #ffffff;
  padding: 15px 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 999;
}

.header-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.header-logo img {
  height: 50px;
}

.main-nav {
  position: relative;
}

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

.nav-links li a {
  text-decoration: none;
  color: #003366;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links li a:hover {
  color: #0077cc;
}

.hamburger {
  display: none;
  font-size: 24px;
  background: none;
  border: none;
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    right: 0;
    flex-direction: column;
    background: #fff;
    width: 200px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 10px;
  }

  .nav-links.show {
    display: flex;
  }

  .hamburger {
    display: block;
    color: #003366;
  }
}

/* ===== SECTION PENGEMBANGAN ===== */
.pengembangan-section {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 80px 20px;
  text-align: center;
  background-color: #fefefe;
}

.pengembangan-wrapper {
  max-width: 700px;
}

.pengembangan-img {
  max-width: 300px;
  margin-bottom: 30px;
}

.pengembangan-section h1 {
  font-size: 2rem;
  margin-bottom: 20px;
  color: #003399;
}

.pengembangan-section p {
  font-size: 1.1rem;
  color: #555;
}

/* ===== FOOTER ===== */
.footer-bottom {
  text-align: center;
  background: #003366;
  color: white;
  padding: 15px 20px;
  font-size: 0.9rem;
}