body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  background: linear-gradient(135deg, #0078d7, #00a4ef);
  color: #fff;
  text-align: center;
}

.glass {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 1rem;
}

.hero {
  padding: 5rem 2rem;
  margin: 1rem;
}

.hero h1 {
  font-size: 3rem;
  animation: fadeIn 2s ease-in-out;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

button {
  padding: 1rem 2rem;
  font-size: 1rem;
  border: none;
  border-radius: 2rem;
  background: rgba(0, 164, 239, 0.9);
  color: #fff;
  cursor: pointer;
  transition: transform 0.3s ease, background 0.3s ease;
}

button:hover {
  transform: scale(1.1);
  background: rgba(0, 120, 215, 0.9);
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  padding: 3rem;
}

.card {
  padding: 2rem;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.card img {
  width: 60px;
  margin-bottom: 1rem;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.comparison {
  padding: 3rem 2rem;
  margin: 1rem;
}

.battle {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin: 2rem 0;
}

.os {
  padding: 1.5rem 2rem;
  font-size: 1.2rem;
  transition: transform 0.4s ease;
}

.windows {
  animation: float 3s infinite ease-in-out;
}

.arch {
  animation: wobble 2s infinite ease-in-out;
}

.extra ul li {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s forwards;
}

.catchy p {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s forwards;
}

footer {
  padding: 1rem;
  margin: 1rem;
  font-size: 0.9rem;
}

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

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

@keyframes wobble {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-5deg); }
  75% { transform: rotate(5deg); }
}