* {
  box-sizing: border-box;
}
html,
body {
  overflow-x: hidden;
}
body {
  font-family: "Segoe UI", sans-serif;
  line-height: 1.6;
  color: #333;
}
.custom-navbar {
  font-family: "Segoe UI", sans-serif;
  font-size: 1rem;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  z-index: 999;
}

.navbar-light .navbar-nav .nav-link {
  color: #1e2a78;
  padding: 10px 15px;
  transition: color 0.2s ease;
}

.navbar-light .navbar-nav .nav-link:hover,
.navbar-light .navbar-nav .nav-link:focus,
.navbar-light .navbar-nav .nav-link.active {
  color: #27b9ff;
}

.navbar-brand {
  font-size: 1.25rem;
}

.dropdown-menu {
  border-radius: 0.5rem;
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
  border: none;
}

.dropdown-item:hover {
  background-color: #f1f7ff;
  color: #1e2a78;
}

.section-padding {
  padding: 80px 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #2c3e50;
}

.section-description {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.125rem;
}

.hero-section {
  background: linear-gradient(135deg, #1e2a78, #27b9ff);
  height: 100vh;
  padding: 0 15px;
}

.hero-section h1 {
  font-size: 3rem;
  font-weight: 700;
}

.hero-section .lead {
  font-size: 1.25rem;
  color: #d1ecff;
}
#about h4 {
  color: #1e2a78;
  margin-bottom: 10px;
}

#about ul {
  padding-left: 0;
}

#about ul li {
  margin-bottom: 8px;
  font-size: 1rem;
}

.pricing-card .text-muted,
.pricing-card .text-white {
  font-size: 0.9rem;
  margin-bottom: 15px;
}

.pricing-card {
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 30px;
  margin-bottom: 30px;
  background-color: #fff;
  transition: transform 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.pricing-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

.pricing-card .price {
  font-size: 1.75rem;
  color: #2c3e50;
  margin: 15px 0;
}

.pricing-card .features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pricing-card .features li {
  margin: 10px 0;
}

.pricing-card.highlighted {
  background-color: #1e2a78;
  color: #fff;
}

.pricing-card.highlighted .btn {
  background-color: #fff;
  color: #1e2a78;
  border: none;
}
form .form-check-label {
  font-size: 0.9rem;
  color: #555;
}

form .form-check-input:checked {
  background-color: #1e2a78;
  border-color: #1e2a78;
}

#business h4 {
  color: #1e2a78;
  margin-bottom: 10px;
}

#business a {
  color: #1e2a78;
  text-decoration: underline;
}
#why-ai .bg-opacity {
  backdrop-filter: blur(4px);
  border-left: 4px solid #27b9ff;
}

.testimonial-card {
  background-color: #fff;
  transition: transform 0.3s ease;
}

.testimonial-card:hover {
  transform: scale(1.03);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

#how-we-teach ul {
  list-style: none;
  padding-left: 0;
}

#how-we-teach ul li::before {
  content: "✔️";
  margin-right: 8px;
  color: #1e2a78;
}

footer {
  background-color: #f8f9fa;
  color: #6c757d;
}