/* ==========================================================================
   NAV (sin borde)
   ========================================================================== */
.nav{
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 60;

  display:flex;
  align-items:center;
  gap: clamp(18px, 5vw, 54px);

  padding: 14px 18px;
  border-radius: var(--radius-sm);


  background: rgba(0,0,0,.18);
  border: none;
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 40px rgba(0,0,0,.35);

  max-width: calc(100vw - 28px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.nav::-webkit-scrollbar{ height:0; }
.nav{
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 60;

  display:flex;
  align-items:center;
  gap: clamp(18px, 5vw, 54px);

  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background: rgba(0,0,0,.18);
  border: none;
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 40px rgba(0,0,0,.35);

  max-width: calc(100vw - 28px);
  overflow: visible;
  -webkit-overflow-scrolling: touch;
}

.nav::-webkit-scrollbar{ height:0; }

.nav__links{
  display:flex;
  align-items:center;
  gap: inherit;
}

.nav a,
.nav__submenu-toggle,
.nav__submenu-link{
  position: relative;
  text-decoration: none;
  color: rgba(242,242,242,.70);

  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;

  padding: 10px 8px;
  border-radius: 10px;

  transition: color .22s ease, text-shadow .22s ease;

  appearance: none;
  background: transparent;
  border: 0;
  font-family: inherit;
  line-height: 1;
  cursor: pointer;
}

.nav a::after,
.nav__submenu-toggle::after,
.nav__submenu-link::after{
  content:"";
  position:absolute;
  left: 50%;
  bottom: 4px;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  background: var(--accent);
  box-shadow: 0 0 18px var(--accent-dim);
  transition: transform .22s ease;
}

.nav a:hover,
.nav__submenu-toggle:hover,
.nav__submenu-link:hover{
  color: rgba(242,242,242,.90);
  text-shadow: 0 0 18px rgba(242,242,242,.10);
}

.nav a:hover::after,
.nav__submenu-toggle:hover::after,
.nav__item--has-submenu:hover .nav__submenu-toggle::after,
.nav__item--submenu-open .nav__submenu-toggle::after,
.nav__item--submenu-open .nav__submenu-link::after{
  transform: translateX(-50%) scaleX(1);
}

.nav a.is-active{
  color: var(--ink);
}

.nav a.is-active::after{
  transform: translateX(-50%) scaleX(1);
}

/* a11y */
.sr-only{
  position:absolute!important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);
  white-space:nowrap;border:0;
}

/* hamburger */
.nav__toggle{ display:none; }

/* submenu */
.nav__item--has-submenu{
  position: relative;
  display: flex;
  align-items: center;
}

.nav__submenu-link{
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.nav__submenu{
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;

  display: flex;
  flex-direction: column;
  gap: 6px;

  padding: 12px;
  border-radius: 14px;
  background: rgba(0,0,0,.30);
  backdrop-filter: blur(14px);
  box-shadow: 0 12px 30px rgba(0,0,0,.28);

  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}

.nav__submenu a{
  display: block;
  padding: 10px 12px;
  text-align: center;
  white-space: nowrap;
}

@media (min-width: 1024px){
  .nav__item--has-submenu:hover .nav__submenu{
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
  }
}

@media (max-width: 1023.98px){
  .nav__item--submenu-open .nav__submenu{
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
  }
}