/* Mobile navigation — toggle + overlay panel (≤880px) */

.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:2.4rem;
  height:2.4rem;
  padding:0;
  margin-left:auto;
  border:none;
  background:transparent;
  cursor:pointer;
  flex-shrink:0;
  -webkit-tap-highlight-color:transparent;
}
.nav-toggle__bar{
  display:block;
  width:100%;
  height:1.5px;
  background:var(--ink);
  border-radius:1px;
  transition:transform .25s, opacity .25s;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){
  transform:translateY(6.5px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){
  opacity:0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3){
  transform:translateY(-6.5px) rotate(-45deg);
}

.mobile-nav{
  position:fixed;
  inset:0;
  z-index:200;
  pointer-events:none;
}
.mobile-nav.is-open{
  pointer-events:auto;
}
.mobile-nav__backdrop{
  position:absolute;
  inset:0;
  background:rgba(24,21,18,.28);
  opacity:0;
  transition:opacity .3s ease;
}
.mobile-nav.is-open .mobile-nav__backdrop{
  opacity:1;
}
.mobile-nav__panel{
  position:absolute;
  top:0;
  right:0;
  width:min(100%,320px);
  height:100%;
  padding:1.2rem 1.6rem 2rem;
  background:rgba(250,246,239,.94);
  backdrop-filter:blur(18px) saturate(180%);
  -webkit-backdrop-filter:blur(18px) saturate(180%);
  border-left:1px solid var(--hairline);
  display:flex;
  flex-direction:column;
  transform:translateX(100%);
  transition:transform .35s cubic-bezier(.23,1,.32,1);
}
.mobile-nav.is-open .mobile-nav__panel{
  transform:translateX(0);
}
.mobile-nav__close{
  align-self:flex-end;
  width:2.4rem;
  height:2.4rem;
  border:none;
  background:transparent;
  font-family:var(--mono);
  font-size:1.6rem;
  line-height:1;
  color:var(--ink-2);
  cursor:pointer;
  margin-bottom:1.6rem;
}
.mobile-nav__links{
  display:flex;
  flex-direction:column;
  gap:1.4rem;
}
.mobile-nav__links a{
  font-family:var(--mono);
  font-size:.82rem;
  font-weight:500;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--ink);
  transition:color .2s;
}
.mobile-nav__links a:hover,
.mobile-nav__links a.is-current{
  color:var(--orange);
}

body.nav-open{
  overflow:hidden;
}

@media (max-width:880px){
  .nav-toggle{ display:flex; }
}

/* Case study topbar */
.topbar__end{
  display:flex;
  align-items:center;
  gap:.75rem;
  min-width:0;
}
.topbar .nav-toggle{
  margin-left:0;
}
@media (max-width:880px){
  .topbar .marker{
    max-width:9rem;
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
  }
}