/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', sans-serif;
  line-height: 1.6;
  background-color: #f9f9f9;
  color: #333;
}

/* Layout container */
.container {
  width: 90%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 1rem 0;
}

/* Header styles */
header {
  background-color: #1a1a1a;
  color: #fff;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 999;
}

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

header h1 {
  font-size: 1.5rem;
}

#navToggle {
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  display: none;
}

/* Nav styles */
nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
}

nav a {
  text-decoration: none;
  color: #fff;
  transition: color 0.3s ease;
}

nav a:hover {
  color: #00bcd4;
}

/* Section styling */
.section {
  padding: 2rem 0;
}

.section h2 {
  margin-bottom: 1rem;
}

.section ul {
  margin-top: 0.5rem;
  padding-left: 1.5rem;
}

.section ul li {
  margin-bottom: 0.5rem;
}

/* Footer */
footer {
  background-color: #333;
  color: #fff;
  text-align: center;
  padding: 1rem 0;
}

/* Responsive navigation */
@media (max-width: 768px) {
  #navToggle {
    display: block;
  }

  #mainNav ul {
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
  }

  #mainNav.active ul {
    display: flex;
  }
}