/* Global Styles */
body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background-color: #f4f4f4;
  color: #333;
  transition: background-color 0.3s, color 0.3s;
}

.container {
  width: 90%;
  max-width: 960px;
  margin: auto;
}

/* Header */
header {
  background: #004080;
  color: white;
  padding: 2rem 0;
  text-align: center;
}

header h1 {
  margin: 0;
  font-size: 2.5rem;
}

header p {
  font-size: 1.2rem;
  margin-top: 0.5rem;
}

#darkModeToggle {
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  background: #fff;
  color: #004080;
  border: none;
  cursor: pointer;
  font-weight: bold;
  border-radius: 5px;
}

/* Navigation */
nav {
  background: #333;
}

nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
}

nav li {
  margin: 0 1rem;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: 600;
}

nav a:hover {
  color: #00bfff;
}

/* Sections */
.section {
  padding: 3rem 0;
}

h2 {
  color: #004080;
  margin-bottom: 1rem;
}

ul {
  list-style-type: none;
  padding-left: 0;
}

ul li {
  margin: 0.5rem 0;
}

/* Buttons */
.btn-primary {
  background: #004080;
  color: white;
  padding: 0.75rem 1.5rem;
  border: none;
  cursor: pointer;
  border-radius: 4px;
  font-weight: bold;
}

.btn-primary:hover {
  background: #0066cc;
}

/* Contact Form */
form input,
form textarea {
  width: 100%;
  padding: 0.75rem;
  margin-bottom: 1rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 1.5rem 0;
  background: #222;
  color: #fff;
  margin-top: 2rem;
}

/* Fade-in Animation */
.fade-in {
  animation: fadeIn 1s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Dark Mode */
body.dark-mode {
  background-color: #121212;
  color: #eee;
}

body.dark-mode header {
  background: #1a1a1a;
  color: #eee;
}

body.dark-mode nav {
  background: #222;
}

body.dark-mode nav a {
  color: #ccc;
}

body.dark-mode nav a:hover {
  color: #fff;
}

body.dark-mode footer {
  background: #1a1a1a;
  color: #ccc;
}

body.dark-mode #darkModeToggle {
  background: #eee;
  color: #1a1a1a;
}