:root {
  --main-color: #1e90ff;
  --bg-color: #f9f9f9;
  --text-color: #333;
}

body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  background: var(--bg-color);
  color: var(--text-color);
}

header {
  background: var(--main-color);
  color: white;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 {
  margin: 0;
  font-size: 1.5rem;
}

nav {
  display: flex;
  gap: 1rem;
}

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

nav a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1000px;
  margin: auto;
  padding: 2rem;
}

.hero {
  text-align: center;
  padding: 3rem 1rem;
}

.hero h2 {
  font-size: 2rem;
}

.hero p {
  font-size: 1.1rem;
  max-width: 700px;
  margin: auto;
}

footer {
  background: #eee;
  padding: 1rem;
  text-align: center;
  font-size: 0.9rem;
}

.highlight-initial {
  color: var(--main-color);
  font-weight: bold;
  font-size: 1.2em;
}

@media (max-width: 600px) {
  nav {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }
}