header {
  padding: 12px 0;
  background: linear-gradient(180deg, 
    #ffffff 0%,
    #f8f9fa 100%
  );
  position: relative;
  border-bottom: 1px solid rgba(0,0,0,0.1);
}

header:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(255,255,255,0.8);
}

header:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(180deg,
    rgba(0,0,0,0.05) 0%,
    rgba(0,0,0,0) 100%
  );
}

header .container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  position: relative;
}

header .logo {
  height: 25px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 1px 1px rgba(0,0,0,0.1));
  transition: filter 0.2s ease;
  display: inline-block;
  vertical-align: middle;
}

header .logo:hover {
  filter: drop-shadow(0 2px 2px rgba(0,0,0,0.15));
}

header .menu-container {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

header .menu-container .logo-group {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 15px;
  flex-wrap: nowrap;
}

header .menu-container .logo-group svg {
  height: 20px;
  width: auto;
  color: #2f4eb5;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  header .logo {
    height: 30px;
  }
  header .menu-container .logo-group svg {
    height: 24px;
  }
}