/* Import Google Fonts for modern typography */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&family=Roboto:wght@300;400&display=swap');

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

body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  background-color: #f8f9fa;
  color: #333;
}

/* Container for consistent spacing */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  background: linear-gradient(90deg, #1e3a8a, #2b6cb0);
  color: white;
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-text {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.menu-toggle {
  font-size: 1.5rem;
  cursor: pointer;
  display: none;
}

.nav-menu {
  list-style: none;
  display: flex;
  gap: 25px;
}

.nav-menu li a {
  color: white;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 400;
  transition: color 0.3s ease, transform 0.3s ease;
}

.nav-menu li a:hover,
.nav-menu li a.active {
  color: #facc15;
  transform: translateY(-2px);
}

/* PDF Viewer */
.pdf-viewer {
  padding: 40px 20px;
  min-height: calc(100vh - 100px);
  display: flex;
  align-items: center;
}

.pdf-viewer .container {
  flex: 1;
}

.pdf-viewer iframe {
  border: none;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Footer */
footer {
  background: linear-gradient(90deg, #1e3a8a, #2b6cb0);
  color: white;
  text-align: center;
  padding: 20px 0;
  margin-top: 40px;
}

footer p {
  font-family: 'Roboto', sans-serif;
}

/* Responsive Design */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    background: #1e3a8a;
    padding: 20px 0;
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-menu li {
    margin: 10px 0;
    text-align: center;
  }

  .pdf-viewer {
    padding: 20px 15px;
  }

  .pdf-viewer iframe {
    height: 600px;
  }
}

@media (max-width: 480px) {
  .pdf-viewer iframe {
    height: 400px;
  }
}