@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap");

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

body {
  font-family: "Poppins", sans-serif;
  background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
    no-repeat center center/cover;
  min-height: 100vh;
  color: #f0f0f0;
  padding: 100px 20px 40px 20px;
  animation: fadeIn 1.5s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

header h1 {
  text-align: center;
  font-size: 3rem;
  color: #ffffff;
  margin-bottom: 30px;
  text-shadow: 2px 2px 10px #00f2ff;
  animation: glow 3s infinite alternate;
}

@keyframes glow {
  0% {
    text-shadow: 0 0 10px #00f2ff;
  }
  100% {
    text-shadow: 0 0 20px #00f2ff, 0 0 40px #00f2ff;
  }
}

header h2 {
  font-size: 2rem;
  color: #ffffff;
  margin-left: 40px;
  margin-bottom: 20px;
  position: relative;
}

header h2::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  height: 3px;
  width: 80px;
  background: #00f2ff;
  border-radius: 10px;
  animation: slideIn 1.5s forwards;
}

@keyframes slideIn {
  from {
    width: 0;
  }
  to {
    width: 80px;
  }
}

main h3 ul {
  padding-left: 50px;
  list-style-type: square;
  font-size: 1.1rem;
  color: #e0e0e0;
}

main h3 ul li {
  margin-bottom: 18px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(6px);
  padding: 15px 20px;
  border-left: 5px solid #00f2ff;
  border-radius: 10px;
  transition: transform 0.3s ease, background 0.3s ease;
}

main h3 ul li:hover {
  transform: translateX(10px);
  background: rgba(0, 242, 255, 0.15);
}

@media (max-width: 768px) {
  header h1 {
    font-size: 2.2rem;
  }
  header h2 {
    font-size: 1.5rem;
    margin-left: 20px;
  }
  main h3 ul {
    padding-left: 20px;
  }
}