/* Variables */
:root {
  --accent-color: #3d6fc4;
  --background-color: #fafafa;
  --text-color: #333333;
  --header-bg: #ffffff;
  --section-bg: #ffffff;
  --footer-bg: #ffffff;
  --overlay-color: rgba(0, 0, 0, 0.4);
}

/* General Styles */
body {
  font-family: 'Montserrat', sans-serif;
  margin: 0;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.5;
}

.header {
  background-color: var(--header-bg);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-menu ul {
  list-style: none;
  display: flex;
  margin: 0;
  padding: 0;
}

.nav-menu ul li {
  margin: 0 1rem;
}

.nav-menu ul li a {
  text-decoration: none;
  color: var(--text-color);
  transition: color 0.3s ease;
}

.nav-menu ul li a:hover {
  color: var(--accent-color);
}

.hero {
  position: relative;
  text-align: center;
  padding: 5rem 2rem;
  background: url('hero-image.jpg') center/cover no-repeat;
  color: white;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--overlay-color);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.data-container {
  background-color: var(--section-bg);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  margin-top: 2rem;
}

.data-container ul {
  list-style: none;
  padding: 0;
}

.data-container ul li {
  margin: 1rem 0;
  padding: 1rem;
  border: 1px solid #ddd;
  border-radius: 8px;
  background-color: var(--background-color);
}