.site-header {
  background: #fff;
  border-bottom: 1px solid rgba(26,26,24,0.09);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 8px rgba(0,0,0,0.05);
}

.site-header-inner {
  max-width: 1250px;
  margin: 0 auto;
  padding: 0 32px;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.site-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  gap: 8px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
  flex-wrap: wrap;
}

.site-nav a {
  font-family: 'Ubuntu', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  color: #5f5e5a;
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}

.site-nav a:hover {
  background: #f5f5f5;
  color: #1a1a18;
}

.site-nav a.active {
  color: #185FA5;
  background: #E6F1FB;
}

.header-logo-img {
  height: 35px;
  object-fit: contain;
}

.header-btn-login {
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid #185FA5;
  color: #185FA5;
  background: white;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 500;
  transition: all 0.15s;
}

.header-btn-login:hover {
  background: #E6F1FB;
}

/* Desktop: Hidden mobile menu elements */
.mobile-menu-toggle {
  display: none;
}

.mobile-menu {
  display: none;
}

@media (max-width: 640px) {
  .site-header-inner {
    padding: 0 16px;
  }
  
  .site-nav {
    display: none;
  }

  /* Mobile Menu Toggle Button */
  .mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    margin-left: auto;
  }

  .mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #1a1a18;
    border-radius: 2px;
    transition: all 0.3s ease;
  }

  .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
  }

  .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }

  /* Mobile Menu */
  .mobile-menu {
    display: block;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid rgba(26,26,24,0.09);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    z-index: 99;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .mobile-menu.active {
    max-height: 500px;
  }

  .mobile-menu-container {
    display: flex;
    flex-direction: column;
    padding: 12px 0;
  }

  .mobile-menu-link {
    display: block;
    padding: 12px 16px;
    font-family: 'Ubuntu', sans-serif;
    font-size: 0.82rem;
    font-weight: 500;
    color: #5f5e5a;
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all 0.15s;
  }

  .mobile-menu-link:hover {
    background: #f5f5f5;
    color: #1a1a18;
  }

  .mobile-menu-link.active {
    color: var(--dominio-color, #185FA5);
    background: #E6F1FB;
    border-left-color: var(--dominio-color, #185FA5);
  }
}