/* =========================================================
   NMFT STUDIO — MOBILE-MENU.CSS
   Menú hamburguesa + overlay, compartido por todas las páginas.
   Depende de las variables definidas en cada hoja de estilo base
   (--ink, --muted, --gold, --line-strong).
   ========================================================= */

/* ---------- Trigger (hamburguesa) ---------- */
.mobile-menu-trigger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
}
.mobile-menu-trigger-bar {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
  transition: transform .25s ease, opacity .25s ease;
}
.mobile-menu-trigger[aria-expanded="true"] .mobile-menu-trigger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-menu-trigger[aria-expanded="true"] .mobile-menu-trigger-bar:nth-child(2) {
  opacity: 0;
}
.mobile-menu-trigger[aria-expanded="true"] .mobile-menu-trigger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
@media(max-width: 768px){
  .mobile-menu-trigger { display: flex; }
}

/* ---------- Overlay ---------- */
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(5,7,10,0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .4s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mobile-menu-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-menu-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  padding: 40px 24px;
  text-align: center;
}
.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 280px;
  opacity: 0;
  transform: translateY(-8px);
  transition: all .4s cubic-bezier(0.16, 1, 0.3, 1);
}
.open .mobile-menu-header {
  opacity: 1;
  transform: translateY(0);
  transition-delay: .3s;
}
.mobile-menu-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
}
.mobile-menu-close {
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all .2s ease;
}
.mobile-menu-close:hover {
  border-color: var(--muted);
  color: var(--ink);
}
.mobile-menu-glow {
  width: 1px;
  height: 0;
  background: linear-gradient(to bottom, transparent, var(--gold), transparent);
  transition: height .6s cubic-bezier(0.16, 1, 0.3, 1);
}
.open .mobile-menu-glow {
  height: 60px;
  transition-delay: .06s;
}
.mobile-menu-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mobile-menu-link {
  font-family: 'Unbounded', sans-serif;
  font-size: clamp(1.6rem, 5vw, 2.2rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  opacity: 0;
  transform: translateY(24px);
  transition: all .45s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: calc(0.08s * var(--i, 0) + 0.12s);
  padding: 6px 0;
  position: relative;
}
.open .mobile-menu-link {
  opacity: 1;
  transform: translateY(0);
}
.mobile-menu-link::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: all .3s ease;
  transform: translateX(-50%);
}
.mobile-menu-link:hover::after {
  width: 60%;
}
.mobile-menu-link:hover {
  color: var(--gold);
}
.mobile-menu-subnav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 0;
  transform: translateY(16px);
  transition: all .45s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: calc(0.08s * var(--i, 0) + 0.12s);
}
.open .mobile-menu-subnav {
  opacity: 1;
  transform: translateY(0);
}
.mobile-menu-sublink {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 5px 0;
  transition: color .2s ease;
}
.mobile-menu-sublink:hover { color: var(--teal); }
.mobile-menu-footer {
  opacity: 0;
  transform: translateY(16px);
  transition: all .4s cubic-bezier(0.16, 1, 0.3, 1);
}
.open .mobile-menu-footer {
  opacity: 1;
  transform: translateY(0);
  transition-delay: .36s;
}
@media (min-width: 769px) {
  .mobile-menu-overlay { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .mobile-menu-overlay, .mobile-menu-link, .mobile-menu-subnav, .mobile-menu-trigger-bar {
    animation: none !important;
    transition: none !important;
  }
}