.header__nav-dropdown {
  position: relative;
  display: flex;
  align-items: center;
}

.header__nav-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  border: 0;
  background: transparent;
  font: inherit;
  cursor: pointer;
}

.header__nav-trigger span {
  font-size: 0.75em;
  transition: transform 0.2s ease;
}

.header__nav-submenu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  z-index: 1100;
  min-width: 225px;
  padding: 7px 0;
  border-top: 3px solid #f5b928;
  border-radius: 4px 4px 8px 8px;
  background: #ffffff;
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.2);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, -6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.header__nav-submenu::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -13px;
  height: 13px;
}

.header__nav-submenu a {
  display: block;
  padding: 10px 16px;
  color: #1f2937;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease;
}

.header__nav-submenu a:hover,
.header__nav-submenu a:focus {
  background: #eef3fb;
  color: #17357b;
  outline: none;
}

.header__nav-dropdown:hover .header__nav-submenu,
.header__nav-dropdown:focus-within .header__nav-submenu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.header__nav-dropdown:hover .header__nav-trigger span,
.header__nav-dropdown:focus-within .header__nav-trigger span {
  transform: rotate(180deg);
}

@media (max-width: 900px) {
  .header__nav-dropdown {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .header__nav-trigger {
    width: 100%;
  }

  .header__nav-submenu {
    position: static;
    min-width: 0;
    width: 100%;
    max-height: 0;
    padding: 0;
    overflow: hidden;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    pointer-events: none;
    transform: none;
    transition: max-height 0.25s ease, padding 0.25s ease;
  }

  .header__nav-dropdown:focus-within .header__nav-submenu {
    max-height: 120px;
    padding: 5px 0;
    pointer-events: auto;
    transform: none;
  }

  .header__nav-submenu a {
    padding: 9px 18px;
    text-align: center;
  }
}