/* Mobile dropdown menu — used on home, book-in, articles index, and article pages */

.nav-toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: 0;
  cursor: pointer;
  color: #fff;
  border-radius: 8px;
  transition: background .25s ease;
}
.nav-toggle:hover,
.nav-toggle:focus-visible { background: rgba(255,255,255,0.08); outline: none; }
.nav-toggle span {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 20px;
  height: 2px;
  margin: -1px 0 0 -10px;
  background: currentColor;
  border-radius: 1px;
  transition: transform .2s ease, opacity .15s ease;
}
.nav-toggle span:nth-child(1) { transform: translateY(-7px); }
.nav-toggle span:nth-child(3) { transform: translateY(7px); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  z-index: 99;
  background: rgba(13,14,20,0.98);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  max-height: calc(100vh - 64px);
  overflow-y: auto;
  padding: 8px 0 14px;
  transform: translateY(-8px);
  opacity: 0;
  transition: transform .2s ease, opacity .2s ease;
  flex-direction: column;
}
.mobile-menu[data-open="true"] {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}

.mm-link,
.mm-group-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 13px 24px;
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.2px;
  text-align: left;
  background: none;
  border: 0;
  cursor: pointer;
  text-decoration: none;
}
.mm-link:hover,
.mm-group-toggle:hover,
.mm-link:focus-visible,
.mm-group-toggle:focus-visible {
  background: rgba(255,255,255,0.04);
  color: #fff;
  outline: none;
}
.mm-link.mm-call {
  color: #c2c3cc;
  font-size: 0.85rem;
  font-weight: 500;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: 6px;
  padding-top: 16px;
}

.mm-chevron {
  width: 14px;
  height: 14px;
  transition: transform .2s ease;
  flex-shrink: 0;
  color: #8a8b96;
}
.mm-group-toggle[aria-expanded="true"] .mm-chevron { transform: rotate(180deg); color: #fff; }

.mm-sub {
  display: none;
  padding: 2px 0 8px;
}
.mm-group-toggle[aria-expanded="true"] + .mm-sub { display: block; }

.mm-sublink {
  display: block;
  padding: 10px 24px 10px 40px;
  color: #c2c3cc;
  font-size: 0.85rem;
  font-weight: 400;
  line-height: 1.4;
  text-decoration: none;
}
.mm-sublink:hover,
.mm-sublink:focus-visible {
  background: rgba(255,255,255,0.04);
  color: #fff;
  outline: none;
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  /* Disable body scroll while menu is open */
  body.mm-open { overflow: hidden; }
}