:root {
  --primary: #1a1a2e;
  --secondary: #2d3748;
  --accent: #3b82f6;
  --background: #ffffff;
  --text: #1a1a2e;
  --text-light: #4a5568;
  --surface-light: rgba(0, 0, 0, 0.04);
  --surface-dark: rgba(0, 0, 0, 0.08);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1200px;
  --header-height: 80px; /* Slightly taller header */
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
  padding: 0;
  line-height: 1.5;
}

.mnthen-header {
  background-color: var(--background);
  box-shadow: var(--shadow-sm);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.mnthen-header-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  height: var(--header-height);
}

.mnthen-logo {
  color: var(--primary);
  text-decoration: none;
  font-size: 1.5rem; 
  font-weight: 700;
  letter-spacing: 0.025em;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.mnthen-logo-img {
  width: 50px; /* Adjust size as needed */
  height: 50px; /* Adjust size as needed */
}

.mnthen-nav {
  margin-left: auto;
  margin-right: var(--spacing-md);
}

.mnthen-nav-list {
  display: flex;
  gap: var(--spacing-lg);
  margin: 0;
  padding: 0;
  list-style: none;
}

.mnthen-nav-item {
  position: relative;
}

.mnthen-nav-link {
  color: var(--text-light);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  padding: var(--spacing-sm);
  display: block;
}

.mnthen-dropdown-btn {
  background: transparent;
  border: 0;
  color: var(--text-light);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  padding: var(--spacing-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.mnthen-dropdown-arrow {
  fill: currentColor;
  transition: transform var(--transition);
}

.mnthen-dropdown-content {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%);
  background: var(--background);
  min-width: 220px;
  box-shadow: var(--shadow-md);
  border-radius: 0.75rem;
  padding: var(--spacing-sm) 0;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.mnthen-dropdown-content::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 12px;
  height: 12px;
  background: var(--background);
}

.mnthen-dropdown-content a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.9375rem;
  padding: var(--spacing-sm) var(--spacing-lg);
  display: block;
}

.mnthen-mobile-menu {
  display: none;
  background: transparent;
  border: 0;
  padding: var(--spacing-sm);
  cursor: pointer;
}

.mnthen-mobile-menu span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text);
  margin: 5px 0;
  transition: var(--transition);
  border-radius: 2px;
}

.mnthen-donate-btn {
  color: var(--text-light);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  padding: var(--spacing-sm);
  border: 2px solid var(--text-light);
  border-radius: 1.5rem;
  transition: background-color var(--transition), color var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: var(--spacing-lg);
  min-width: 125px;
}

.mnthen-donate-btn:hover {
  background-color: var(--text-light);
  color: var(--background);
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .mnthen-donate-btn {
    margin-left: 0;
    margin-top: var(--spacing-sm);
    width: 100%;
    text-align: center;
    border: 1px solid var(--text-light);
  }

  .mnthen-nav-list {
    gap: 0;
  }
}

@media (hover: hover) {
  .mnthen-nav-item:hover .mnthen-dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }
}

@media (max-width: 768px) {
  .mnthen-mobile-menu {
    display: block;
    margin-left: auto;
  }

  .mnthen-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--background);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    display: none;
    margin: 0;
  }

  .mnthen-nav-list {
    flex-direction: column;
    gap: 0;
  }

  .mnthen-dropdown-btn {
    width: 100%;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--surface-dark);
  }

  .mnthen-dropdown-content {
    position: static;
    transform: none;
    box-shadow: none;
    background-color: var(--surface-light);
    border-radius: 0.5rem;
    padding: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
    visibility: visible;
    display: none;
    opacity: 1;
  }

  .mnthen-dropdown-content.mnthen-active {
    display: block;
  }

  .mnthen-dropdown-content::before {
    display: none;
  }

  .mnthen-nav.mnthen-active {
    display: block;
  }

  .mnthen-mobile-menu.mnthen-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mnthen-mobile-menu.mnthen-active span:nth-child(2) {
    opacity: 0;
  }

  .mnthen-mobile-menu.mnthen-active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }

  .mnthen-logo {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .mnthen-header-container {
    padding: 0 var(--spacing-md);
  }

  .mnthen-logo {
    font-size: 1.125rem;
  }
}

@media (max-width: 768px) {
  .mnthen-nav-item:has(.mnthen-donate-btn) {
    display: none;
  }
}

.mnthen-signin-btn {
 color: #1e40af; /* Dark blue */
 text-decoration: none;
 font-size: 1rem;
 padding: 0;
 transition: all var(--transition);
 display: flex;
 align-items: center;
 justify-content: center;
 margin-left: var(--spacing-lg);
 width: 40px;
 height: 40px;
 background-color: #DFE0E1; /* Light gray background */
 border-radius: 50%;
 border: none;
}

.mnthen-signin-btn:hover {
 background-color: #e9ecef; /* Slightly darker gray on hover */
 color: #1e3a8a; /* Darker blue on hover */
}

/* Mobile adjustments */
@media (max-width: 768px) {
 /*
  .mnthen-signin-btn {
 display: none;
 }
*/
 .mnthen-nav .mnthen-signin-btn {
 display: flex;
 width: 100%;
 border-radius: 1.5rem;
 margin: var(--spacing-sm) 0 0 0;
 padding: var(--spacing-md);
 justify-content: center;
 height: auto;
 }
}