/* ─── Hamburger Button ─── */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  background: none;
  border: none;
  cursor: none;
  padding: 4px;
  z-index: calc(var(--z-nav) + 10);
}

.nav__hamburger span {
  display: block;
  width: 100%; height: 1px;
  background: currentColor;
  transition: transform var(--dur-base) var(--ease),
              opacity var(--dur-fast) var(--ease),
              width var(--dur-base) var(--ease);
  transform-origin: center;
}

.nav__hamburger.is-open span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.nav__hamburger.is-open span:nth-child(2) { opacity: 0; width: 0; }
.nav__hamburger.is-open span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

/* ─── Mobile Drawer ─── */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-nav) - 1);
  pointer-events: none;
}

.mobile-menu__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10,10,10,0.5);
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease);
}

.mobile-menu__drawer {
  position: absolute;
  top: 0; right: 0;
  width: min(380px, 88vw);
  height: 100%;
  background: var(--color-bone);
  transform: translateX(100%);
  transition: transform var(--dur-slow) var(--ease-out);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  scrollbar-width: none;
}
.mobile-menu__drawer::-webkit-scrollbar { display: none; }

.mobile-menu.is-open {
  pointer-events: all;
}
.mobile-menu.is-open .mobile-menu__backdrop { opacity: 1; }
.mobile-menu.is-open .mobile-menu__drawer   { transform: translateX(0); }

/* Header del drawer */
.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem var(--space-sm);
  border-bottom: 1px solid var(--border);
}

.mobile-menu__logo {
  font-family: var(--font-sans);
  font-size: var(--size-xs);
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.mobile-menu__close {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: none; border: none; cursor: none;
  font-size: 1.5rem; line-height: 1;
  color: var(--text-muted);
}

/* Nav links */
.mobile-menu__nav {
  flex: 1;
  padding: var(--space-sm);
}

.mobile-nav__section { margin-bottom: 2rem; }

.mobile-nav__section-title {
  font-size: var(--size-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.mobile-nav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  font-family: var(--font-serif);
  font-size: var(--size-lg);
  font-weight: 400;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  transition: color var(--dur-fast) var(--ease);
}
.mobile-nav__link:hover { color: var(--color-dark-grey); }
.mobile-nav__link svg { flex-shrink: 0; }

.mobile-nav__sub {
  display: flex;
  flex-direction: column;
}
.mobile-nav__sub-link {
  padding: 0.6rem 0 0.6rem 1rem;
  font-size: var(--size-base);
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  transition: color var(--dur-fast) var(--ease);
}
.mobile-nav__sub-link:hover { color: var(--color-black); }

/* Footer del drawer */
.mobile-menu__footer {
  padding: var(--space-sm);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-menu__actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-menu__social {
  display: flex;
  gap: 1rem;
}

@media (min-width: 769px) {
  .nav__hamburger { display: none !important; }
  .mobile-menu    { display: none !important; }
}

@media (max-width: 768px) {
  .nav__hamburger { display: flex; }
}