/* Reset and basic styles */
marquee{
    
    font-size: 20px;
background: linear-gradient(blue,green,white);
}
@keyframes rotateEarth {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

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

body {
  font-family: 'Arial', sans-serif;
  background: linear-gradient(to bottom, #e0f7fa, #ffffff);
  color: #333;
  line-height: 1.6;
}

header {
  background: #004d40;
  color: white;
  padding: 20px 0;
  text-align: center;
}

nav a {
  margin: 0 15px;
  color: white;
  text-decoration: none;
  transition: color 0.3s ease;
}

nav a:hover {
  color: #ffcc00;
}

/* Hero Section with Animated Background */
.hero {
  height: 100vh;
  background: url('earth.gif') no-repeat center center;
  background-size: cover;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-shadow: 2px 2px 4px #000;
}
.hero .overlay {
  background-color: rgba(0, 0, 0, 0.5); /* dark overlay */
  padding: 40px;
  border-radius: 10px;
  color: white;
  text-align: center;
}

/* Animation: fade-in */
.fade-in {
  opacity: 0;
  animation: fadeIn 2s ease-in forwards;
}

.fade-in-delay {
  opacity: 0;
  animation: fadeIn 2s ease-in forwards;
  animation-delay: 1s;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

/* Slide-in animation for heading */
.slide-in {
  transform: translateY(30px);
  opacity: 0;
  animation: slideIn 1.5s ease-out forwards;
}

@keyframes slideIn {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Optional: subtle background movement */
@keyframes backgroundMove {
  0% {
    background-position: center;
  }
  100% {
    background-position: bottom;
  }
}
/* About page hero with background image and overlay */
.about-hero {
  position: relative;
  min-height: 90vh;
  background: url('https://images.unsplash.com/photo-1462331940025-496dfbfc7564?auto=format&fit=crop&w=1350&q=80') no-repeat center center/cover;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 20px;
  color: #f0f0f0;
  overflow: hidden;
}

.about-hero .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 77, 64, 0.75);
  z-index: 1;
}

.about-content {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}

.text-box {
  flex: 1 1 400px;
  font-size: 1.2rem;
  line-height: 1.6;
}

.image-box {
  flex: 1 1 400px;
}

.image-box img {
  width: 100%;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

/* Animations */
.fade-in-left {
  opacity: 0;
  transform: translateX(-50px);
  animation: fadeInLeft 1.5s forwards ease-out;
}

.fade-in-right {
  opacity: 0;
  transform: translateX(50px);
  animation: fadeInRight 1.5s forwards ease-out;
}

@keyframes fadeInLeft {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .about-content {
    flex-direction: column;
  }
  
  .text-box, .image-box {
    flex: 1 1 100%;
  }
}