body {
  margin: 0;
  font-family: Poppins, Arial;
  background: #f4f6fa;
}

.header {
  background: linear-gradient(120deg,#0f2027,#203a43);
  color: white;
  text-align: center;
  padding: 90px 20px;
}

.btn {
  padding: 12px 28px;
  margin: 10px;
  background: #00e6e6;
  color: #000;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
}

.outline {
  background: transparent;
  border: 2px solid #00e6e6;
  color: #00e6e6;
}

.section {
  padding: 70px 10%;
  text-align: center;
}

.dark {
  background: #0f2027;
  color: white;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
  gap: 25px;
}

.card {
  background: white;
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.tags span {
  background: #00e6e6;
  padding: 8px 16px;
  margin: 6px;
  display: inline-block;
  border-radius: 20px;
  font-weight: bold;
}

.footer {
  background: #000;
  color: #aaa;
  text-align: center;
  padding: 20px;
}

/* AI Chat */
#chatbox {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 260px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 0 15px rgba(0,0,0,0.2);
}
#chat-header {
  background: #203a43;
  color: white;
  padding: 10px;
}
#chat-body {
  height: 160px;
  padding: 10px;
  overflow-y: auto;
}
#userInput {
  width: 100%;
  padding: 8px;
  border: none;
}
body {
  margin: 0;
  font-family: Arial, Poppins;
  background: #f4f6fa;
}

.navbar {
  background: #0f2027;
  color: white;
  padding: 15px 8%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar ul {
  list-style: none;
  display: flex;
}

.navbar ul li {
  margin-left: 20px;
}

.navbar a {
  color: white;
  text-decoration: none;
  font-weight: 600;
}

.hero {
  background: linear-gradient(120deg,#203a43,#2c5364);
  color: white;
  padding: 90px 20px;
  text-align: center;
}

.section {
  padding: 60px 10%;
  text-align: center;
}

.dark {
  background: #0f2027;
  color: white;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
  gap: 25px;
  margin-top: 30px;
}

.card {
  background: white;
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.dark .card {
  background: #203a43;
  color: white;
}

.tags span {
  background: #00e6e6;
  padding: 8px 15px;
  margin: 6px;
  border-radius: 20px;
  display: inline-block;
  font-weight: bold;
}

.footer {
  background: #000;
  color: #aaa;
  text-align: center;
  padding: 20px;
}