body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
}
.header-bar {
  background-color: #dcdcdc;
  text-align: center;
  padding: 0;
  position: relative;
  z-index: 10;
}
.logo {
  height: 240px;
  margin-top: 10px;
  max-width: 100%;
}
.tagline-box {
  margin-top: -60px;
  display: flex;
  justify-content: center;
  gap: 30px;
  font-size: 15px;
  color: #3399ff;
  font-weight: bold;
}
nav.topnav {
  background-color: #3399ff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  position: relative;
  z-index: 10;
}
.nav-left, .nav-right {
  display: flex;
  gap: 20px;
}
.nav-left a, .nav-right a {
  text-decoration: none;
  color: #ffffff;
  font-weight: bold;
  font-size: 14px;
}
.animation-container {
  background-color: #e8f4fb;
  overflow: hidden;
}
.track {
  position: relative;
  height: 80px;
}
.animated-icon {
  position: absolute;
  height: 60px;
  width: auto;
  max-width: 140px;
  pointer-events: none;
  animation: moveAcross 18s linear infinite;
  filter: drop-shadow(2px 4px 6px rgba(0,0,0,0.2));
}
.track.ship .animated-icon { animation-delay: 0s; }
.track.plane .animated-icon { animation-delay: 6s; }
.track.truck .animated-icon { animation-delay: 12s; }

@keyframes moveAcross {
  0% { left: -160px; opacity: 1; }
  50% { opacity: 1; }
  100% { left: 100vw; opacity: 0; }
}
main {
  padding: 20px;
  background: #fff;
  margin: 20px;
  border-radius: 6px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
footer {
  background: #002244;
  color: white;
  text-align: center;
  padding: 15px;
  margin-top: 40px;
}