@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300;400;500;600;700;800;900&display=swap');

/* CSS */
:root {
  --primary-color: #2563eb;
  --secondary-color: #3b82f6;
  --accent-color: #22c55e;
  --dark-blue: #1e3a8a;
  --light-bg: #f0f4ff;
  --text-dark: #1f2937;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  background: var(--light-bg);
  color: var(--text-dark);
  line-height: 1.6;
}

/* Navigation */
nav {
  position: fixed;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  display: flex;
  justify-content: space-between;
  padding: 1rem 8vw;
  align-items: center;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.logo {
  width: 40px;
  transition: transform 0.3s ease;
}

.navigation ul {
  display: flex;
  gap: 2rem;
}

.navigation ul li {
  list-style: none;
}

.navigation ul li a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 600;
  position: relative;
  padding: 0.5rem 0;
  transition: color 0.3s ease;
}

.navigation ul li a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background: var(--accent-color);
  transition: width 0.3s ease;
}

.navigation ul li a:hover::after {
  width: 100%;
}

.navigation ul li a.active {
  color: var(--primary-color);
}

/* Hero Section */
.hero {
  padding: 8rem 2rem 4rem;
  background: linear-gradient(rgba(37, 99, 235, 0.9), rgba(59, 130, 246, 0.9)),
              url('images/teacher talking.jpg');
  background-size: cover;
  background-position: center;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  color: white;
  text-align: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.lead {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  font-weight: 300;
  opacity: 0.9;
}

.description {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 3rem;
  opacity: 0.95;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 3rem;
  background: var(--accent-color);
  color: white;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
  background: #16a34a;
}

.cta-button i {
  font-size: 1.5rem;
}

@media (max-width: 768px) {
  .hero {
      padding: 6rem 1rem 2rem;
  }
  
  .hero-content h1 {
      font-size: 2.5rem;
  }
  
  .lead {
      font-size: 1.25rem;
  }
  
  .description {
      font-size: 1rem;
  }
  
  .navigation ul {
      gap: 1rem;
  }
  
  .logo {
      width: 100px;
  }
  
  .cta-button {
      padding: 1rem 2rem;
  }
}