* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: #9b9b9bb4;
  color: rgb(12, 2, 2);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

nav ul {
  list-style: none;
  margin: 0 auto;
}

nav a {
  padding: 10px 15px;
  display: inline-block;
}

header {
  background-color: #272640;
  color: #fff;
  padding: 40px;
  text-align: center;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

header h1 {
  font-size: 2rem;
}

main {
  padding: 30px;
  max-width: 1100px;
  margin: auto;
}

nav ul {
  display: flex;
  justify-content: center;
  gap: 20px;
}

section {
  margin-bottom: 50px;
}

section h2 {
  color: #4a90e2;
  margin-bottom: 15px;
  font-size: 1.6rem;
  border-left: 4px solid #4a90e2;
  padding-left: 10px;
}

.chatbot2 {
 display: flex;
 flex-direction: column;
 align-items: center;
}

.card-container {
  display: flex;
  justify-content: center;
  gap: 50px;
  flex-wrap: wrap;
}

.card {
  flex: 0 0 250px;
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s;
}

.card:hover {
  transform: translateY(-5px);
}

.card h3 {
  margin-bottom: 10px;
  color: #333;
}

.chat-container2 {
  background: #007bff;
  border-radius: 5px;
  width: 150px;
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
  text-align: center;
}

img {
  max-width: 250px;
  height: auto;
  border-radius: 5px;
  margin: 10px 0;
}

.chat-btn-container {
  text-align: center;
  margin: 20px;
}

.chat-btn2 {
  display: inline-block;
  padding: 12px 20px;
  color: rgb(0, 0, 0);
  font-size: 16px;
  text-decoration: none;
  border-radius: 8px;
  transition: 0.3s;
}

.chat-btn2:hover {
  color: white;
}

footer {
  background: #411d1d;
  color: #fff;
  text-align: center;
  padding: 15px;
  margin-top: 40px;
}

.logo {
  width: 90px;
  height: auto;
  position: absolute;
  top: 15px;
  right: 30px; 
  display: block;
  z-index: 1000;
  transition: width 0.3s ease;
}

@media screen and (max-width: 1200px) {
  main {
    padding: 20px;
  }

  header h1 {
    font-size: 1.8rem;
  }

  .card-container {
    gap: 30px;
  }
    .logo {
    width: 100px;
    right: 20px;
    top: 10px;
  }
}

@media screen and (max-width: 768px) {
  header {
    padding: 25px;
  }

  header h1 {
    font-size: 1.6rem;
  }

  nav ul {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .card-container {
    flex-direction: column;
    align-items: center;
  }

  .card {
    width: 90%;
    max-width: 400px;
  }

  img {
    max-width: 100%;
  }

  .chatbot2 {

    font-size: 10px;
  }

  .chat-title {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 10px;
  }

  .chat-btn2 {
    display: inline-block;
    padding: 12px 20px;
    font-size: 16px;
    text-decoration: none;
    border-radius: 8px;
    transition: 0.3s;
  }

  .chat-btn2:hover {
    color: white;
  }

    .logo {
    width: 80px;
    right: 15px;
    top: 8px;
  }
}

@media screen and (max-width: 480px) {
  header h1 {
    font-size: 1.4rem;
  }

  section h2 {
    font-size: 1.2rem;
  }

  main {
    padding: 15px;
  }

  .card {
    padding: 15px;
  }

    .logo {
    width: 70px;
    right: 10px;
    top: 5px;
  }

  footer {
    font-size: 0.9rem;
    padding: 10px;
  }

  .chat-btn2 {
    width: 100%;
    padding: 10px;
    font-size: 14px;
  }
}