* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f8f9fa;
}
.header {
  background: #003366;
  color: #fff;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}
.header h1 {
  font-size: 1.8rem;
}
.header nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}
.header nav ul li a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
}
.hero {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding: 2rem;
  background: linear-gradient(to right, #0077b6, #00b4d8);
  color: #fff;
}
.hero-text {
  flex: 1 1 400px;
}
.hero-img {
  flex: 1 1 400px;
  text-align: center;
}
.hero-img img {
  width: 100%;
  max-width: 400px;
}
.btn {
  background: #ffb703;
  color: #000;
  padding: 0.7rem 1.2rem;
  border: none;
  text-decoration: none;
  font-weight: bold;
  border-radius: 5px;
  display: inline-block;
  margin-top: 1rem;
}
.features, .courses, .achievers, .testimonials, .contact {
  padding: 3rem 2rem;
  text-align: center;
}
.features-grid, .course-cards, .testimonial-grid {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 2rem;
}
.feature-card, .course-card, .testimonial {
  background: #fff;
  padding: 1.2rem;
  border-radius: 10px;
  max-width: 300px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.feature-card img, .course-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 8px;
}
.achiever-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
}
.achiever-box img {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  border: 5px solid #0077b6;
}
.testimonial p {
  font-style: italic;
}
.contact-buttons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1rem;
}
.whatsapp {
  background-color: #25D366;
}
.telegram {
  background-color: #0088cc;
}
footer {
  background: #003366;
  color: white;
  text-align: center;
  padding: 1rem;
  margin-top: 3rem;
}

/* Responsive */
@media (max-width: 768px) {
  .header nav ul {
    flex-direction: column;
    gap: 1rem;
  }
  .hero {
    flex-direction: column-reverse;
    text-align: center;
  }
  .achiever-box {
    flex-direction: column;
  }
}