.logo{
    font-family: Helvetica, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: auto;
    font-size: 60px;
    padding-left: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    height: 60px;
    width: auto;
    margin-left: 10px;
    vertical-align: middle;
}

.sticky {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 2000;
}

.header-div-top{
  background-color: whitesmoke;
  width: 100%;
  z-index: 2000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-logo-cont{
    width: 20%;
    min-width: fit-content;
}

.header-nav-cont{
    width: 60%;
    margin: auto;
}

.header-table-top{
    height: 80px;
    margin: auto;
    width: 100%;
}

.nav-item{
  color: black;
  font-size: large;
  padding-left: 5px;
  padding-right: 5px;
  padding-top: 20px;
  padding-bottom: 20px;
  text-decoration: none !important;
  font-family: Helvetica, sans-serif;
  border-bottom: 0px inset slateblue;
  transition: all 0.3s ease;
}

.nav-item:hover{
  animation-name: navHover;
  animation-duration: 0.1s;
  border-bottom: 5px inset slateblue;
  text-decoration: none !important;
}

.nav-active{
  border-bottom: 5px inset slateblue;
  text-decoration: none !important;
}

@keyframes navHover {
  from {
    border-bottom: 0px inset slateblue;
  }
  to {
    border-bottom: 5px inset slateblue;
  }
}

.nav-divider{
  height: 50px;
  width: 4px;
  background-color: slateblue;
}

.hamburger {
  display: none;
  margin-left: 30%;
  color: slateblue;
  font-size: 50px;
  background: transparent;
  border: none;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  padding: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.hamburger i {
  color: slateblue;
}

.bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  -webkit-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
  background-color: slateblue;
}

/* Enhanced mobile responsiveness */
@media only screen and (max-width: 1200px) {
  .header-nav-cont {
    width: 50%;
  }
  
  .header-logo-cont {
    width: 25%;
  }
  
  .logo-icon {
    height: 45px;
  }
}

@media only screen and (max-width: 1000px) {
  .logo{
    font-size: 6vw;
    padding-left: 10px;
  }
  
  .logo-icon {
    height: 5vw;
  }
  
  .header-nav-cont {
    width: 40%;
  }
  
  .header-logo-cont {
    width: 30%;
  }
}

@media only screen and (max-width: 1150px) {
  .nav-item {
      left: -100%;
      position: fixed;
  }

  .nav-divider{
    left: -100%;
    position: fixed;
  }

  .hamburger {
      display: block;
      cursor: pointer;
      margin-left: auto;
      margin-right: 20px;
  }

  .hamburger-nav-item{
    color: black;
    font-size: 4vh;
    padding-left: 10px;
    padding-right: 10px;
    padding-top: 20px;
    padding-bottom: 1px;
    text-decoration: none;
    font-family: Helvetica, sans-serif;
    transition: all 0.3s ease;
  }

  .hamburger-nav-item:hover{
    animation-name: navHover;
    animation-duration: 0.1s;
    border-bottom: 5px inset slateblue;
  }

  .hamburger-nav-item:active{
    border-bottom: 5px inset slateblue;
  }
}

.hamburger-contents{
  display: none;
  margin-top: 10px;
  background-color: whitesmoke;
  border-top: 1px solid #e2e8f0;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.active{
  display: block;
}

.hamburger-contents-divider{
  width: 100%;
  background-color: slateblue;
  height: 3px;
  margin-top: 3px;
  margin-bottom: 3px;
}

.nav-bar-divider{
  width: 100%;
  background-color: slateblue;
  height: 3px;
  padding-top: 0px;
  padding-bottom: 0px;
}

.nav-button{
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  font-size: 20px;
  padding: 10px;
  border-radius: 5px;
  text-decoration: none;
  font-family: Helvetica, sans-serif;
  transition: all 0.3s ease;
  border: none;
}

.nav-button:hover {
  background: linear-gradient(135deg, #5a4fdb 0%, #6a4f8a 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

/* Additional mobile optimizations */
@media only screen and (max-width: 768px) {
  .header-table-top {
    height: 70px;
  }
  
  .logo {
    font-size: 8vw;
    padding-left: 15px;
  }
  
  .hamburger {
    font-size: 40px;
    margin-right: 15px;
  }
  
  .hamburger-nav-item {
    font-size: 3.5vh;
    padding: 15px 20px;
  }
}

@media only screen and (max-width: 480px) {
  .header-table-top {
    height: 60px;
  }
  
  .logo {
    font-size: 10vw;
    padding-left: 10px;
  }
  
  .hamburger {
    font-size: 35px;
    margin-right: 10px;
  }
  
  .hamburger-nav-item {
    font-size: 3vh;
    padding: 12px 15px;
  }
  
  .nav-button {
    font-size: 18px;
    padding: 8px 12px;
  }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
  .nav-item:hover,
  .hamburger-nav-item:hover {
    border-bottom: 5px inset slateblue;
  }
  
  .nav-button:hover {
    transform: none;
  }
}

/* Ensure navigation links never get underlines */
.header-div-top a,
.header-nav-cont a,
.nav-item,
.nav-button,
.hamburger-nav-item {
    text-decoration: none !important;
}