.menu-toggle {
  display: none;
  background-color: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-normal);
  z-index: 101;
}

.menu-toggle:hover,
.menu-toggle:focus {
  background-color: var(--color-primary);
  color: var(--color-button-text);
}

.menu-icon {
  font-size: 1.5rem;
  line-height: 1;
  display: block;
  transition: var(--transition-normal);
}

.menu-toggle.active {
  background-color: var(--color-primary);
  color: var(--color-button-text);
}

.menu-toggle.active .menu-icon {
  transform: rotate(90deg);
}

@media screen and (max-width: 768px) {
  .main-header {
    grid-template-columns: auto 1fr auto;
    padding: 15px 20px;
    position: relative;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    order: -1; 
  }

  .logo {
    justify-self: center;
    order: 0;
  }

  .cta-button {
    order: 1;
    justify-self: end;
  }

  .main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-background);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;

    opacity: 0;
    visibility: hidden;
    transform: translateY(-100%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

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

  .nav-menu {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
    padding: 2rem;
  }

  .nav-link {
    font-size: var(--font-size-lg);
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
    display: block;
    color: var(--color-text);
    position: relative;
    overflow: hidden;
  }

  .nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
  }

  .nav-link:hover::before,
  .nav-link:focus::before {
    left: 100%;
  }

  .nav-link:hover,
  .nav-link:focus {
    background-color: var(--color-primary);
    color: var(--color-button-text);
    transform: translateY(-2px);
    box-shadow: var(--shadow-normal);
  }


  .main-nav.active .nav-menu li {
    animation: slideInFromTop 0.5s ease-out forwards;
  }

  .main-nav.active .nav-menu li:nth-child(1) { animation-delay: 0.1s; }
  .main-nav.active .nav-menu li:nth-child(2) { animation-delay: 0.2s; }
  .main-nav.active .nav-menu li:nth-child(3) { animation-delay: 0.3s; }
  .main-nav.active .nav-menu li:nth-child(4) { animation-delay: 0.4s; }
  .main-nav.active .nav-menu li:nth-child(5) { animation-delay: 0.5s; }
}

@keyframes slideInFromTop {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .main-nav,
  .menu-toggle,
  .nav-link,
  .menu-icon {
    transition: none;
  }
  
  .main-nav.active .nav-menu li {
    animation: none;
  }
}
.menu-toggle:focus-visible,
.nav-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}


@media screen and (min-width: 769px) and (max-width: 1024px) {
  .nav-menu {
    gap: 1rem;
  }
  
  .nav-link {
    font-size: var(--font-size-sm);
    padding: 0.5rem 1rem;
  }
}

@media screen and (max-width: 768px) {
  .main-nav.active::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    z-index: -1;
    backdrop-filter: blur(2px);
  }
}

.nav-link[aria-current="page"] {
  position: relative;
  font-weight: 700;
}

@media screen and (max-width: 768px) {
  .nav-link[aria-current="page"]::after {
    bottom: 8px;
    width: 30px;
    height: 3px;
  }
}

@media (prefers-color-scheme: dark) {
  @media screen and (max-width: 768px) {
    .main-nav {
      background-color: var(--color-background);
      border-right: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .main-nav.active::before {
      background-color: rgba(0, 0, 0, 0.5);
    }
  }
  
  .menu-toggle {
    color: var(--color-text);
  }
  
  .menu-toggle:hover,
  .menu-toggle:focus {
    background-color: var(--color-primary);
    color: var(--color-button-text);
  }
}