.header-holo {
  background: linear-gradient(135deg, #ff5e62, #00f260);
  padding: 25px 0;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}
.header-holo::after {
  content: "";
  position: absolute;
  top: -50px;
  left: -50px;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.4), transparent);
  opacity: 0.6;
}
.header-holo .header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.header-holo .logo img {
  max-height: 60px;
  filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.7));
  transition: transform 0.3s ease;
}
.header-holo .logo img:hover {
  transform: scale(1.1);
}
.header-holo .nav ul {
  display: flex;
  gap: 25px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.header-holo .nav ul li a {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 5px;
  transition: all 0.3s ease;
  position: relative;
}
.header-holo .nav ul li a:hover {
  color: #fff;
  background: rgba(0, 0, 0, 0.2);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}
.header-holo .nav ul li a::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: #fff;
  transition: width 0.3s ease;
  transform: translateX(-50%);
}
.header-holo .nav ul li a:hover::before {
  width: 60%;
}

/* Мобильная оптимизация */
@media (max-width: 768px) {
  .header-holo .header-inner {
    flex-direction: column;
    gap: 15px;
  }
  .header-holo .nav ul {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }
  .header-holo .nav ul li a {
    font-size: 14px;
    padding: 6px 10px;
  }
  .header-holo .logo img {
    max-height: 50px;
  }
}