/* Hero Section */
.hero-sectionA {
  position: relative;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  z-index: 0;
}

/* Background */
.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('https://source.unsplash.com/1600x900/?cloud,technology') center center/cover no-repeat;
  z-index: -3;
  animation: zoomInOut 20s ease-in-out infinite;
}

@keyframes zoomInOut {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

/* Overlay */
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: -2;
}

/* Clouds */
.cloud {
  position: absolute;
  background-image: url('https://cdn-icons-png.flaticon.com/512/414/414927.png');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: contain;
  opacity: 0.8;
  width: 180px;
  height: 100px;
  z-index: -1;
}

/* Cloud positions & animations */
.cloud1 { top: 15%; left: -200px; animation: floatCloud 40s linear infinite; }
.cloud2 { top: 30%; left: -250px; animation: floatCloud 55s linear infinite; }
.cloud3 { top: 60%; left: -220px; animation: floatCloud 50s linear infinite; }
.cloud4 { top: 75%; left: -300px; animation: floatCloud 60s linear infinite; }

@keyframes floatCloud {
  0% { transform: translateX(0); opacity: 0.7; }
  50% { opacity: 1; }
  100% { transform: translateX(120vw); opacity: 0.7; }
}

/* Hero Text */
.hero-content h1 {
  font-size: 2.8rem;
  font-weight: bold;
  z-index: 1;
}

.hero-content p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 20px auto;
  z-index: 1;
}

.hero-content .btn-primary {
  padding: 10px 30px;
  font-size: 1.1rem;
  border-radius: 30px;
  z-index: 1;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-content h1 { font-size: 2rem; }
  .hero-content p { font-size: 1rem; }
  .cloud { width: 120px; height: 70px; }
}