/* Header Styles */
.header {
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1rem 2rem;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
  min-height: 70px;
}

.header-content {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Logo Container */
.logo-container {
  display: flex;
  align-items: center;
  text-decoration: none;
  z-index: 1001;
  transition: all 0.3s ease;
  flex-shrink: 0; /* Prevent logo from shrinking */
}

.logo {
  height: 40px;
  width: auto;
  transition: all 0.3s ease;
  filter: drop-shadow(0 0 0px transparent);
}

/* Logo Hover Effect */
.logo-container:hover .logo {
  transform: scale(1.05);
  filter: drop-shadow(0 0 15px rgba(136, 241, 255, 0.3)) 
          drop-shadow(0 0 25px rgba(7, 138, 190, 0.2))
          drop-shadow(0 0 35px rgba(255, 255, 255, 0.1));
}

/* Navigation */
.nav {
  display: flex;
  gap: 1.75rem;
  align-items: center;
  flex-wrap: nowrap; /* Prevent wrapping */
}

.nav-link {
  color: var(--white);
  text-decoration: none;
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: all 0.3s ease;
  position: relative;
  white-space: nowrap; /* Prevent text wrapping */
  flex-shrink: 0; /* Prevent link shrinking */
}

.nav-link:hover {
  color: var(--accent-color);
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  cursor: pointer;
  gap: 0;
  z-index: 1002;
  flex-shrink: 0; /* Prevent hamburger from shrinking */
  padding: 0.5rem;
  border-radius: 4px;
  transition: all 0.3s ease;
  width: 40px;
  height: 40px;
  position: relative;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--white);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 2px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.hamburger span:nth-child(1) {
  top: 10px;
}

.hamburger span:nth-child(2) {
  top: 18.5px;
}

.hamburger span:nth-child(3) {
  top: 27px;
}

.hamburger:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.hamburger:hover span {
  background-color: var(--accent-color);
}

/* Mobile Mode Activation - Wider Breakpoint */
@media (max-width: 920px) {
  .header {
    padding: 1rem;
  }

  .hamburger {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    padding: 1rem 2rem;
    display: block;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
    margin: 0;
    background: transparent;
    transition: all 0.3s ease;
  }

  .nav-link:last-child {
    border-bottom: none;
  }

  .nav-link:hover {
    background-color: rgba(34, 188, 239, 0.1);
    color: var(--accent-color);
    transform: none;
  }
}

/* Hamburger Animation States */
.hamburger.active span:nth-child(1) {
  top: 18.5px;
  transform: translateX(-50%) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(-50%) scale(0);
}

.hamburger.active span:nth-child(3) {
  top: 18.5px;
  transform: translateX(-50%) rotate(-45deg);
}

/* Tablet and smaller desktop adjustments */
@media (max-width: 1024px) and (min-width: 921px) {
  .nav {
    gap: 1.5rem;
  }
  
  .nav-link {
    padding: 0.4rem 0.8rem;
    font-size: 0.9rem;
  }
}

/* Very small screens */
@media (max-width: 480px) {
  .header {
    padding: 0.75rem 1rem;
    min-height: 60px;
  }
  
  .logo {
    height: 32px;
  }
  
  .hamburger span {
    width: 20px;
    height: 2px;
  }
  
  .nav {
    top: 60px;
  }
  
  .nav-link {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }
}

/* Smooth scrolling prevention when menu is open */
body.menu-open {
  overflow: hidden;
}

/* Additional mobile-specific improvements */
@media (max-width: 920px) {
  .header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  }
}

/* Landscape mobile adjustments */
@media (max-width: 920px) and (orientation: landscape) and (max-height: 500px) {
  .nav {
    max-height: calc(100vh - 70px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .nav-link {
    padding: 0.75rem 2rem;
  }
}