* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: #fff;
  color: #000;
  line-height: 1.6;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: background-color 0.3s ease;
  padding-top: 80px;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 1.5rem;
  background-color: white;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 10;
}

.navbar img {
  height: 60px;
}

.menu-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid #000;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.menu-toggle i {
  font-size: 1.5rem;
  color: #000;
  transition: transform 0.3s ease;
}

.menu-toggle.open {
  background-color: #000;
}

.menu-toggle.open i {
  transform: rotate(45deg);
  color: #fff;
}

.balloon-container {
  position: fixed;
  top: 80px;
  right: 20px;
  display: flex;
  gap: 60px;
  z-index: 20;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.balloon-container.active {
  opacity: 1;
  pointer-events: all;
}

.balloon {
  position: relative;
  background-color: white;
  border-radius: 12px;
  padding: 2rem;
  width: 280px;
  box-shadow: 0 4px 2px rgba(0, 0, 0, 0.1);
  animation: floatIn 0.4s ease forwards;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.balloon::before {
  content: "";
  position: absolute;
  top: -10px;
  right: 20px;
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-bottom: 10px solid white;
}

.balloon-list {
  display: flex;
  flex-direction: column;
  gap: 26px;
  width: 100%;
}

.balloon i {
  font-size: 1rem;
  margin-right: 8px;
  transition: color 0.3s ease;
}

.balloon a:hover i {
  color: #fff;
}

.balloon a {
  display: flex;
  align-items: center;
  font-size: 0.85rem;
  text-decoration: none;
  color: #333;
  font-weight: 500;
  padding: 0.5rem;
  border: 1px solid transparent;
  border-radius: 6px;
  transition: all 0.3s ease;
}

.balloon a:hover {
  background-color: #000;
  color: #fff;
  border: 1px solid #000;
}

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

.backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  z-index: 15;
}

.backdrop.active {
  display: block;
}

@media (max-width: 900px) {
  .balloon-container {
    flex-direction: column;
    right: 10px;
    top: 70px;
  }
}