body {
  margin: 0;
  font-family: Arial, sans-serif;
}

/* HEADER */
.header {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  background: #f8f9fa;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  margin-right: 40px;
}

.navbar {
  flex: 1;
}

.nav-links {
  list-style: none;
  display: flex;
  justify-content: space-around;
  margin: 0;
  padding: 0;
}

.nav-links li {
  position: relative;
}

.nav-links a {
  text-decoration: none;
  color: #333;
  padding: 8px 12px;
  display: block;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.dropdown:hover .dropdown-menu {
  display: block;
}

/* HERO */
.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 60px 20px;
  background: #eef2f7;
}

.hero-text {
  max-width: 50%;
}

.hero-image img {
  max-width: 400px;
}

/* SECTIONS */
.stats,
.courses,
.upcoming,
.mentors {
  padding: 40px 20px;
}

.section-title {
  text-align: center;
  margin-bottom: 30px;
}