.main-header {
  background: linear-gradient(
    180deg,
    var(--bg-dark-blue) 0%,
    var(--bg-accent-blue) 100%
  );
  border-bottom: 2px solid var(--neon-cyan);
  box-shadow: 0 4px 15px var(--neon-glow);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 15px 0;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.header-logo {
  height: 80px;
  width: auto;
  filter: drop-shadow(0 0 5px var(--neon-glow));
  transition: transform var(--transition-speed);
}

.header-logo:hover {
  transform: scale(1.05);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  text-transform: uppercase;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-speed);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--neon-cyan);
  transition: width var(--transition-speed);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link:hover {
  color: var(--neon-cyan);
  text-shadow: 0 0 8px var(--neon-glow);
}

.dropdown {
  position: relative;
}

.dropdown-menu {
  display: none;
  position: absolute;
  margin-top: 20px;
  top: 100%;
  left: 0;
  background-color: var(--bg-accent-blue);
  border: 1px solid var(--neon-cyan);
  border-radius: 4px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.5);
  min-width: 180px;
  padding: 0.5rem 0;
  backdrop-filter: blur(5px);
}

.dropdown:focus-within .dropdown-menu {
  display: block;
  animation: fadein 0.2s ease-out;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--bg-dark-blue);
  border: 1px solid var(--neon-cyan);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 255, 255, 0.15);
  min-width: 200px;
  padding: 0.5rem 0;
  backdrop-filter: blur(10px);
  z-index: 1000;
  overflow: hidden;
}

.dropdown-link {
  color: var(--text-primary);
  text-decoration: none;
  display: block;
  padding: 0.8rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s;
  border-left: 3px solid transparent;
}

.dropdown-link:hover {
  background-color: var(--bg-accent-blue);
  color: var(--neon-cyan);
  border-left: 3px solid var(--neon-cyan);
  box-shadow: inset 5px 0 10px rgba(0, 255, 255, 0.05);
}

@keyframes fadein {
  from {
    opacity: 0;
    transform: translatey(10px);
  }
  to {
    opacity: 1;
    transform: translatey(0);
  }
}

.account-btn {
  text-decoration: none;
  text-transform: uppercase;
  font-size: 1rem;
  font-weight: 600;
  position: relative;
  background-color: transparent;
  border: 2px solid var(--neon-cyan);
  color: var(--neon-cyan) !important;
  padding: 0.6rem 1.2rem;
  border-radius: 20px;
  box-shadow: inset 0 0 5px var(--neon-glow);
  transition: all var(--transition-speed);
  white-space: nowrap;
  min-width: max-content;
}

.button-icon {
  margin-right: 5px;
  font-size: 0.8rem;
}

.account-btn:hover {
  background-color: var(--neon-cyan);
  color: var(--bg-dark-blue) !important;
  box-shadow: 0 0 15px var(--neon-cyan);
}

@media (max-width: 878px) {
  .header-container {
    padding: 0 1rem;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 10px;
    margin-top: 10px;
  }

  .header-logo {
    height: 60px;
  }

  .nav-list {
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .account-btn {
    font-size: 0.9rem;
    padding: 8px 16px;
  }
}

.main-header {
  transition: all 0.4s ease;
}

.header-logo {
  transition: all 0.4s ease;
}

.main-header.collapsed {
  padding: 5px 0;
  background: rgba(11, 19, 43, 0.95);
  backdrop-filter: blur(10px);
}

.main-header.collapsed .header-logo {
  height: 50px;
}

.main-header.hidden {
  transform: translatey(-100%);
}