/* General Reset */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background: #f5f5f5;
  color: #333;
}
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Header */
.main-header {
  background: #004080;
  padding: 20px 0;
  color: white;
}
.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 1.8rem;
  font-weight: bold;
}
nav a {
  color: white;
  margin-left: 20px;
  text-decoration: none;
}
nav a:hover {
  text-decoration: underline;
}

/* Hero */
.hero {
  background: linear-gradient(to right, #004080, #0073e6);
  color: white;
  padding: 80px 0;
  text-align: center;
}
.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}
.hero p {
  font-size: 1.2rem;
  margin-bottom: 24px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
}
.btn-primary {
  background: #ffcc00;
  color: #004080;
}
.btn-secondary {
  background: transparent;
  border: 2px solid #ffcc00;
  color: #004080;
}
.btn-secondary:hover {
  background: #ffcc00;
  color: white;
}

/* About */
.about {
  background: white;
  padding: 60px 0;
  text-align: center;
}
.about h2 {
  font-size: 2rem;
  margin-bottom: 20px;
}

/* Courses */
.courses {
  background: #f9f9f9;
  padding: 60px 0;
}
.courses h2 {
  text-align: center;
  margin-bottom: 40px;
}
.course-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.course-card {
  background: white;
  margin: 15px;
  padding: 25px;
  max-width: 300px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* Testimonials */
.testimonials {
  background: #e6f0ff;
  padding: 50px 0;
  text-align: center;
}
.testimonials blockquote {
  font-style: italic;
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto;
}
.testimonials footer {
  margin-top: 12px;
  color: #555;
}

/* CTA */
.cta {
  background: #004080;
  color: white;
  text-align: center;
  padding: 60px 0;
}
.cta h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

/* Footer */
.footer {
  background: #003060;
  color: #ccc;
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
}