/* Global Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Global Styles */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f9fafc;
  color: #333;
  line-height: 1.6;
}

/* Header */
header {
  background: linear-gradient(135deg, #003366, #0055aa);
  color: #fff;
  padding: 2rem;
  text-align: center;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

header p {
  font-size: 1.2rem;
  opacity: 0.9;
}

/* Navigation */
nav {
  background: #0055aa;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  padding: 1rem;
}

nav a {
  color: #fff;
  margin: 0 1rem;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

nav a:hover {
  color: #ffdd00;
}

/* Hamburger Menu */
.menu-toggle {
  display: none;
  background: #0055aa;
  color: #fff;
  border: none;
  font-size: 1.5rem;
  padding: 0.5rem 1rem;
  cursor: pointer;
}

/* Main Content */
main {
  padding: 2rem;
  max-width: 1100px;
  margin: auto;
}

section {
  margin-bottom: 3rem;
  text-align: center;
}

section h2 {
  color: #003366;
  margin-bottom: 0.75rem;
}

section p {
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

/* Buttons */
.btn {
  display: inline-block;
  background: #0055aa;
  color: #fff;
  padding: 0.8rem 1.4rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
}

.btn:hover {
  background: #003366;
  transform: translateY(-2px);
}

/* Footer */
footer {
  background: #003366;
  color: #fff;
  text-align: center;
  padding: 1rem;
}

footer p {
  font-size: 0.9rem;
}

/* Responsive Layout */
@media (max-width: 768px) {
  nav {
    display: none;
    flex-direction: column;
    align-items: center;
  }

  nav.active {
    display: flex;
  }

  .menu-toggle {
    display: block;
    width: 100%;
    text-align: center;
  }

  nav a {
    margin: 0.75rem 0;
  }
}
/* Hero Banner */
.hero {
  background: url('https://source.unsplash.com/1600x600/?education,learning') no-repeat center center/cover;
  color: #fff;
  text-align: center;
  padding: 5rem 2rem;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0, 51, 102, 0.6); /* dark overlay */
}

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

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
}
/* Academic Levels */
#levels {
  padding: 2rem;
  background: #eef3f9;
  border-radius: 8px;
  margin-top: 2rem;
}

.level {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 6px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.level h3 {
  color: #0055aa;
  margin-bottom: 0.5rem;
}

.level ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.level .btn {
  margin-right: 0.5rem;
}