:root {
  --primary: #4a6fa5;
  --secondary: #6b8cbc;
  --accent: #ff7e5f;
  --light: #f5f7fa;
  --dark: #2c3e50;
  --success: #2ecc71;
  --warning: #f39c12;
  --danger: #e74c3c;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f8f9fa;
  color: #333;
}

.hero {
  background: linear-gradient(135deg, #4a6fa5, #6b8cbc);
  color: white;
  padding: 80px 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.btn-primary {
  background-color: var(--accent);
  border-color: var(--accent);
  padding: 12px 30px;
  font-weight: 600;
  border-radius: 30px;
}

.btn-primary:hover {
  background-color: #ff6b4a;
  border-color: #ff6b4a;
}

.section-title {
  text-align: center;
  margin-bottom: 40px;
  font-weight: 700;
  color: var(--primary);
}

.course-card {
  border: none;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s;
  margin-bottom: 30px;
  height: 100%;
}

.course-card:hover {
  transform: translateY(-10px);
}

.course-card .card-body {
  padding: 25px;
}

.course-card h5 {
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 15px;
}

.course-card .level {
  display: inline-block;
  background-color: #e9ecef;
  padding: 5px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
  margin-bottom: 15px;
}

.course-card .stars {
  color: #ffc107;
  margin-bottom: 15px;
}

.why-section {
  background-color: white;
  padding: 60px 0;
}

.schedule-card {
  background-color: var(--light);
  border-radius: 15px;
  padding: 20px;
  margin-bottom: 20px;
}

.schedule-card h5 {
  color: var(--primary);
  font-weight: 700;
}

.testimonial-card {
  background-color: white;
  border-radius: 15px;
  padding: 25px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  margin-bottom: 30px;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 15px;
}

.testimonial-author {
  font-weight: 600;
  color: var(--primary);
}

footer {
  background-color: var(--dark);
  color: white;
  padding: 50px 0 20px;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
}

.footer-links a:hover {
  color: white;
}

.copyright {
  text-align: center;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }
}

.nav-logo {
  width: 45px;
  height: 45px;
}