* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  :root {
    --bg-light: #ffffff;
    --bg-dark: #111111;
    --text-color-light: #333333;
    --text-color-dark: #f1f1f1;
    --primary-color: #0066ff;
  }
  
  body {
    background-color: var(--bg-light);
    color: var(--text-color-light);
    transition: background-color 0.3s, color 0.3s;
  }
  
  /* Dark mode styles applied with .dark-theme class on body */
  body.dark-theme {
    background-color: var(--bg-dark);
    color: var(--text-color-dark);
  }
  
  body {
font-family: 'Poppins', sans-serif;
transition: background 0.3s ease, color 0.3s ease;
}

nav {
position: sticky;
top: 0;
background: var(--nav-bg);
color: var(--text-color);
padding: 1rem 2rem;
display: flex;
justify-content: space-between;
align-items: center;
z-index: 1000;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
transition: background 0.3s ease;
}

:root {
--nav-bg: #0a192f;
--text-color: white;
--highlight-color: #64ffda;
--dropdown-bg: #112240;
}

.dark-mode {
--nav-bg: #ffffff;
--text-color: #0a192f;
--highlight-color: #0a192f;
--dropdown-bg: #f0f0f0;
}

.logo {
font-size: 1.5rem;
font-weight: bold;
color: var(--highlight-color);
}

.nav-links {
display: flex;
gap: 2rem;
position: relative;
}

.nav-links a {
text-decoration: none;
color: var(--text-color);
font-weight: 500;
transition: color 0.3s;
}

.nav-links a:hover {
color: var(--highlight-color);
}

.dropdown {
position: relative;
}

.dropdown-content {
display: none;
position: absolute;
top: 40px;
background-color: var(--dropdown-bg);
min-width: 140px;
border-radius: 5px;
overflow: hidden;
box-shadow: 0px 8px 16px rgba(0,0,0,0.2);
transition: all 0.3s ease;
}

.dropdown-content a {
display: block;
padding: 0.75rem 1rem;
color: var(--text-color);
text-align: left;
}

.dropdown-content a:hover {
background-color: var(--highlight-color);
color: white;
}

.dropdown:hover .dropdown-content {
display: block;
}

.hamburger {
display: none;
flex-direction: column;
cursor: pointer;
}

.hamburger span {
height: 3px;
width: 25px;
background: var(--text-color);
margin: 4px;
transition: all 0.3s;
}

.toggle-theme {
margin-left: 1rem;
padding: 0.5rem 1rem;
background: transparent;
border: 2px solid var(--highlight-color);
color: var(--highlight-color);
border-radius: 25px;
cursor: pointer;
font-weight: bold;
transition: background 0.3s, color 0.3s;
}

.toggle-theme:hover {
background: var(--highlight-color);
color: #fff;
}

.quiz-container {
  padding: 2rem;
  text-align: center;
  background: #f4f4f4;
  border-radius: 12px;
  margin-top: 2rem;
}

.quiz-form input, .quiz-form select {
  padding: 0.5rem;
  margin: 0.5rem;
  width: 200px;
  border-radius: 8px;
}

#quiz-box, #quiz-result {
  margin-top: 1.5rem;
}

#quiz-options button {
  margin: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
}

.hidden {
  display: none;
}

@media (max-width: 768px) {
.nav-links {
  position: absolute;
  top: 70px;
  left: -100%;
  background: var(--nav-bg);
  width: 100%;
  flex-direction: column;
  align-items: center;
  transition: left 0.3s ease-in-out;
  padding: 1rem 0;
}

.nav-links.active {
  left: 0;
}

.dropdown-content {
  position: static;
  width: 100%;
  background-color: var(--dropdown-bg);
  box-shadow: none;
}

.hamburger {
  display: flex;
}
}

 /* Home Section */
 .home-section {
    position: relative;
    height: 100vh;
    width: 100%;
    overflow: hidden;
  }
  
  .carousel {
    height: 100%;
    width: 100%;
    position: relative;
  }
  
  .slide {
    height: 100%;
    width: 100%;
    background-size: cover;
    object-fit: cover;
    background-position: center;
    position: absolute;
    background-repeat: repeat;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 1s ease-in-out;
  }
  
  .slide.active {
    opacity: 1;
    z-index: 1;
  }
  
  .overlay {
    background: linear-gradient(to bottom right, rgba(0, 0, 0, 0.5), rgba(10, 10, 10, 0.6));
    height: 100%;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .home-content {
    text-align: center;
    color: white;
    padding: 0 20px;
    animation: fadeIn 1s ease-in-out;
  }
  
  .home-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
  }
  
  .home-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
  }
  
  .home-content .btn {
    background: #ff5722;
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    transition: background 0.3s;
  }
  
  .home-content .btn:hover {
    background: #e64a19;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  
  /* Dark Mode Support */
  body.dark .overlay {
    background: linear-gradient(to bottom right, rgba(20, 20, 20, 0.7), rgba(30, 30, 30, 0.8));
  }
  /* Responsive Styles */
@media (max-width: 768px) {
    .home-content h1 {
      font-size: 2rem;
    }
  
    .home-content p {
      font-size: 1rem;
    }
  
    .home-content .btn {
      padding: 10px 20px;
      font-size: 0.95rem;
    }
  
    .overlay {
      padding: 0 15px;
      text-align: center;
    }
  }
  
  @media (max-width: 480px) {
    .home-content h1 {
      font-size: 1.5rem;
    }
  
    .home-content p {
      font-size: 0.9rem;
    }
  
    .home-content .btn {
      padding: 8px 18px;
      font-size: 0.85rem;
    }
  }

  .services-section {
    padding: 60px 20px;
    text-align: center;
    background-color: var(--bg);
    color: var(--text);
  }
  
  .services-section h2 {
    font-size: 2.5rem;
    margin-bottom: 40px;
  }
  
  .services-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
  }
  
  .service-card {
    background: var(--card-bg);
    padding: 30px 20px;
    border-radius: 15px;
    width: 300px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transition: transform 0.4s ease, background 0.4s ease;
  }
  
  .service-card i {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--primary);
  }
  
  .service-card h3 {
    margin-bottom: 10px;
    font-size: 1.5rem;
  }
  
  .service-card:hover {
    transform: translateY(-10px);
    background: var(--card-hover);
    color: var(--text-hover);
  }
  
  /* Responsive */
  @media (max-width: 768px) {
    .services-container {
      flex-direction: column;
      align-items: center;
    }
  }
  :root {
    --bg: #f9f9f9;
    --bg-dark:#111111
    --text-color-dark: #222222;
    --primary: #007bff;
    --card-bg: #fff;
    --card-hover: #007bff;
    --text-hover: #fff;
  }
  
  body.dark-mode {
    --bg: #1e1e1e;
    --text: #f0f0f0;
    --card-bg: #2b2b2b;
    --card-hover: #444;
    --text-hover: #fff;
    --text-color:black;
  }
  .about-section {
    background: var(--bg-light);
    color: var(--text-color-light);
    padding: 4rem 2rem;
    transition: all 0.3s ease;
  }
  
  .about-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    max-width: 1200px;
    margin: auto;
    gap: 2rem;
  }
  
  .about-image img {
    max-width: 100%;
    border-radius: 20px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
  }
  
  .about-image img:hover {
    transform: scale(1.03);
  }
  
  .about-content {
    flex: 1 1 400px;
  }
  
  .about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
  }
  
  .about-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
  }
  
  .about-btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.3s ease;
  }
  
  .about-btn:hover {
    background: #0056b3;
  }
  
  /* Responsive */
  @media (max-width: 768px) {
    .about-container {
      flex-direction: column;
      text-align: center;
    }
  
    .about-image,
    .about-content {
      width: 100%;
    }
  
    .about-content h2 {
      font-size: 2rem;
    }
  }

  .pricing-section {
    padding: 60px 20px;
    background-color: var(--bg-color);
    color: var(--text-color);
    text-align: center;
  }
  
  .pricing-section h2 {
    font-size: 2.5rem;
    margin-bottom: 40px;
  }
  
  .pricing-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
  }
  
  .pricing-card {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    padding: 30px;
    width: 280px;
    transition: transform 0.3s, box-shadow 0.3s;
  }
  
  .pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  }
  
  .pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
  }
  
  .pricing-card .price {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 20px;
  }
  
  .pricing-card ul {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
  }
  
  .pricing-card ul li {
    margin: 10px 0;
  }
  
  .pricing-card button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s;
  }
  
  .pricing-card button:hover {
    background-color: var(--primary-dark);
  }
  
  .pricing-card.featured {
    border: 2px solid var(--primary-color);
  }
  :root {
    --bg-color: #ffffff;
    --text-color: #222222;
    --card-bg: #f9f9f9;
    --primary-color: #0066ff;
    --primary-dark: #0044aa;
  }
  
  .dark-mode {
    --bg-color: #1e1e1e;
    --text-color: #f1f1f1;
    --card-bg: #2e2e2e;
    --primary-color: #3399ff;
    --primary-dark: #1a5fb4;
  }

  .testimonial-carousel-section {
    padding: 60px 20px;
    text-align: center;
    background-color: var(--bg-color);
    color: var(--text-color);
  }
  
  .testimonial-carousel-section h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--primary-color);
  }
  
  .carousel-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
    overflow: hidden;
  }
  
  .carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
  }
  
  .carousel-item {
    min-width: 100%;
    padding: 20px;
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  }
  
  .carousel-item p {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 10px;
  }
  
  .carousel-item h4 {
    color: var(--primary-dark);
    font-weight: bold;
  }
  
  .carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    padding: 10px 15px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    transition: background 0.3s ease;
  }
  
  .carousel-btn:hover {
    background-color: var(--primary-dark);
  }
  
  .carousel-btn-prev {
    left: 10px;
  }
  
  .carousel-btn-next {
    right: 10px;
  }