nav {
  flex-grow: 1;
  max-width: 100%;
  height: clamp(40px, 6vw, 60px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.5s ease-in-out, opacity 0.5s ease-in-out;
  position: relative;
  z-index: 9999;
}
nav > ul {
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 4px;
  display: flex;
  justify-content: space-around;
  flex-wrap: nowrap;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  position: relative;
  z-index: 1;
}
nav > ul > li {
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2000;
}
nav > ul > li > a,
nav > ul > li > a:link,
nav > ul > li > a:visited {
  color: white;
  text-decoration: none;
  font-weight: 600;
  padding: 8px 24px;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  border-radius: 6px;
  font-size: clamp(0.55em, 1.8vw, 0.9em);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  white-space: nowrap;
  text-align: center;
  box-sizing: border-box;
  z-index: 2000;
  border-bottom: 2px solid transparent;
}
nav > ul > li > a:hover,
nav > ul > li > a:link:hover,
nav > ul > li > a:visited:hover {
  background: rgba(255, 255, 255, 0.25);
  border-bottom: 3px solid white;
}
nav > ul > li > a.active,
nav > ul > li > a.active:link,
nav > ul > li > a.active:visited {
  background: rgba(255, 255, 255, 0.3);
  color: white;
  border-bottom: 3px solid white;
  border-radius: 6px;
}
nav > ul > li > a.active:hover {
  background: rgba(255, 255, 255, 0.35);
}

.dropdown-arrow {
  font-size: 0.85em;
  margin-left: 4px;
  transition: transform 0.3s ease;
  display: inline-block;
}
.nav-dropdown:hover .dropdown-arrow,
.nav-dropdown.dropdown-open .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: white;
  border-radius: 8px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  min-width: 220px;
  padding: 8px 0;
  z-index: 3000;
  list-style: none;
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
  transform: translateX(-50%) translateY(8px);
  border: 1px solid rgba(0, 0, 0, 0.06);
}
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown.dropdown-open .dropdown-menu {
  display: block;
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
@media (max-width: 880px) {
  .nav-dropdown:hover .dropdown-menu,
  .nav-dropdown.dropdown-open .dropdown-menu {
    transform: translateX(0) translateY(0);
  }
}
.dropdown-menu li {
  display: block;
}
.dropdown-menu li a {
  display: block;
  padding: 10px 20px;
  color: #333;
  text-decoration: none;
  font-size: 0.85em;
  font-weight: 500;
  transition: background 0.2s ease, color 0.2s ease, padding-left 0.2s ease;
  white-space: nowrap;
  border-left: 3px solid transparent;
}
.dropdown-menu li a:hover {
  background: #fef2f2;
  color: #f40000;
  padding-left: 24px;
  border-left: 3px solid #f40000;
}
.dropdown-menu li a.active {
  color: #f40000;
  font-weight: 700;
  border-left: 3px solid #f40000;
  background: #fef2f2;
}


@media (max-width: 880px) {
  nav {
      width: 100%;
      height: clamp(40px, 6vw, 50px);
  }
  nav > ul {
      justify-content: space-around;
      width: 100%;
      gap: 0;
      padding: 0 4px;
  }
  nav > ul > li {
      flex: 1 1 0;
      min-width: 0;
      text-align: center;
  }
  nav > ul > li > a {
      padding: 8px clamp(8px, 2vw, 20px);
      font-size: clamp(0.65em, 2.2vw, 0.85em);
      overflow: hidden;
      text-overflow: ellipsis;
      justify-content: center;
  }
  .dropdown-menu {
      left: 0;
      transform: translateX(0);
      min-width: 180px;
  }
  .nav-dropdown:hover .dropdown-menu {
      transform: translateX(0) translateY(0);
  }
}
@media (max-width: 480px) {
  nav > ul {
      padding: 0 2px;
  }
  nav > ul > li > a {
      padding: 5px 4px;
      font-size: clamp(0.7em, 3.2vw, 0.8em);
      gap: 2px;
  }
  .dropdown-arrow {
      font-size: 0.7em;
      margin-left: 1px;
  }
}
@media (min-width: 881px) {
  nav > ul {
    max-width: 800px;
    margin: 0 auto;
    justify-content: center;
    gap: 8px;
  }
  nav > ul > li > a {
    padding: 8px clamp(16px, 2.5vw, 36px);
  }
}