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

.topbar {
  position: fixed;
  top: 0;
  left: 0;

  width: 100%;
  height: 40px;

  background: #111827;
  color: #fff;

  z-index: 1000;

  display: flex;
  align-items: center;

  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.topbar-container {
  width: 100%;
  max-width: 1444px;

  margin: 0 auto;
  padding: 0 16px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 20px;
}

.announcement-wrapper {
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
}

.announcement-track {
  display: inline-block;

  font-size: 14px;
  font-weight: 600;

  animation: scrollText 28s linear infinite;
}

@keyframes scrollText {
  from {
    transform: translateX(100%);
  }

  to {
    transform: translateX(-100%);
  }
}

.topbar-contact {
  display: flex;
  align-items: center;
  gap: 16px;

  flex-shrink: 0;
}

.topbar-contact a {
  display: flex;
  align-items: center;
  gap: 6px;

  text-decoration: none;

  color: #cbd5e1;

  font-size: 16px;
  font-weight: 500;

  transition: color 0.25s ease;
}

.topbar-contact a:hover {
  color: #ffffff;
}

.topbar-contact i {
  font-size: 16px;
  color: #cbd5e1;
  transition: color 0.25s ease;
}

.topbar-contact a:hover i {
  color: #ffffff;
}

@media (max-width: 768px) {

  .topbar {
    height: auto;
    padding: 8px 0;
  }

  .topbar-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .topbar-contact {
    display: none;
  }

  .announcement-track {
    font-size: 13px;
  }
}