.hamburger {
  cursor: pointer;
  height: 40px;
  width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hamburger input {
  display: none;
}

.hamburger svg {
  /* The size of the SVG defines the overall size */
  height: 3em;
  /* Define the transition for transforming the SVG */
  transition: transform 600ms cubic-bezier(0.4, 0, 0.2, 1);
}

.line {
  fill: none;
  stroke: var(--yellow);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3;
  /* Define the transition for transforming the Stroke */
  transition: stroke-dasharray 600ms cubic-bezier(0.4, 0, 0.2, 1),
              stroke-dashoffset 600ms cubic-bezier(0.4, 0, 0.2, 1);
}

.line-top-bottom {
  stroke-dasharray: 12 63;
}

.hamburger input:checked + svg {
  transform: rotate(-45deg);
}

.hamburger input:checked + svg .line-top-bottom {
  stroke-dasharray: 20 300;
  stroke-dashoffset: -32.42;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--header-bg);
  z-index: 1000;
  border-bottom: 2px solid var(--yellow);
  backdrop-filter: blur(5px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
  padding: 0 1rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  max-width: 60%;
  cursor: pointer;
}

.logo-group::-webkit-scrollbar {
  display: none;
}

.nav-logo {
  height: 35px;
  width: auto;
  min-width: 35px;
  object-fit: contain;
}

.isac-logo{
  height: 37px;
  width: auto;
  min-width: 30px;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-link {
  color: var(--text-color);
  text-decoration: none;
  font-family: "VT323";
  font-size: 1.5rem;
  text-transform: uppercase;
  transition: all 0.3s ease;
}

.nav-link:hover {
  color: var(--yellow);
}

/* Side Menu */
.side-menu {
  position: fixed;
  top: 70px;
  right: -250px;
  width: 250px;
  height: calc(100vh - 70px);
  background-color: var(--header-bg);
  transition: right 0.3s ease;
  border-left: 2px solid var(--yellow);
}

.side-menu.active {
  right: 0;
}

.menu-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.menu-link {
  color: var(--text-color);
  text-decoration: none;
  font-family: "VT323";
  font-size: 1.5rem;
  padding: 0.5rem 0;
  transition: all 0.3s ease;
}

.menu-link:hover {
  color: var(--yellow);
  transform: translateX(10px);
}

.theme-toggle {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--yellow);
}

.switch-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.1);
}

/* Improved Responsive Design */
@media (max-width: 768px) {
  .navbar {
    height: auto;
  }

  .nav-content {
    height: 60px;
    padding: 0 0.75rem;
  }

  .logo-group {
    gap: 0.5rem;
    max-width: 40%;
  }

  .nav-logo {
    height: 28px;
  }

  .isac-logo {
    height: 60px;
  }

  .nav-right {
    gap: 0.5rem;
  }

  .nav-link {
    font-size: 1.2rem;
    display: none; /* Hide nav links on mobile, show only in side menu */
  }

  .hamburger {
    height: 35px;
    width: 35px;
  }
  
  .side-menu {
    top: 60px;
    height: calc(100vh - 60px);
  }
}

@media (max-width: 480px) {
  .nav-content {
    padding: 0 0.5rem;
    height: 55px;
  }

  .logo-group {
    gap: 0.4rem;
    max-width: 35%;
  }
  
  .nav-logo {
    height: 24px;
    min-width: 24px;
  }
  
  .isac-logo {
    height: 35px;
    min-width: 24px;
  }
  
  .hamburger {
    height: 30px;
    width: 30px;
  }
  
  .hamburger svg {
    height: 2.5em;
  }
  
  .side-menu {
    top: 55px;
    height: calc(100vh - 55px);
    width: 220px;
    right: -220px;
  }
  
  .menu-content {
    padding: 1.5rem;
    gap: 1.2rem;
  }
  
  .menu-link {
    font-size: 1.3rem;
  }
}