/* NINGUNA project header: isolated navigation shell for mcarva projects. */
.ng-project-header {
  position: fixed;
  z-index: 3000;
  inset: 0 0 auto;
  height: var(--header-height);
  color: var(--paper);
  background: #111314;
  border-bottom: 1px solid rgba(242, 238, 230, .10);
  pointer-events: none;
  transition: background-color 220ms ease, border-color 220ms ease;
}

.ng-project-header__inner {
  position: relative;
  width: min(100%, var(--site-max));
  height: 100%;
  margin-inline: auto;
  padding-inline: var(--pad);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
}

.ng-project-header__brand,
.ng-project-header__tools,
.ng-project-header__tools * {
  pointer-events: auto;
}

.ng-project-header__brand {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  min-width: 88px;
  min-height: 42px;
}

.ng-project-header__logo {
  width: clamp(82px, 7vw, 112px);
  height: auto;
  filter: none;
  transition: opacity 220ms ease;
}

.ng-project-header__title {
  justify-self: center;
  max-width: 34vw;
  margin: 0;
  overflow: hidden;
  color: currentColor;
  font-size: .56rem;
  font-weight: 700;
  letter-spacing: .18em;
  line-height: 1.2;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
  opacity: .64;
  pointer-events: none;
}

.ng-project-header__tools {
  justify-self: end;
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(10px, 1.5vw, 22px);
}

.ng-project-header__back,
.ng-project-header__language-button,
.ng-project-header__menu-button {
  position: relative;
  min-height: 40px;
  color: inherit;
  background: transparent;
  border: 0;
  font-size: .55rem;
  font-weight: 700;
  letter-spacing: .16em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
  touch-action: manipulation;
}

.ng-project-header__back,
.ng-project-header__language-button {
  display: inline-flex;
  min-width: 40px;
  align-items: center;
  justify-content: center;
  padding: 12px 5px;
  opacity: .48;
  transition: opacity 180ms ease;
}

.ng-project-header__back::after,
.ng-project-header__language-button.is-active::after {
  content: "";
  position: absolute;
  right: 1px;
  bottom: 3px;
  left: 1px;
  height: 1px;
  background: currentColor;
  opacity: .58;
}

.ng-project-header__back:hover,
.ng-project-header__back:focus-visible,
.ng-project-header__language-button:hover,
.ng-project-header__language-button:focus-visible,
.ng-project-header__language-button.is-active {
  opacity: 1;
}

.ng-project-header__language {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ng-project-header__language-button {
  opacity: .3;
}

.ng-project-header__language-button + .ng-project-header__language-button::before {
  content: "/";
  position: absolute;
  left: -6px;
  opacity: .32;
}

.ng-project-header__menu-button {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding: 0;
  opacity: .72;
  transition: opacity 180ms ease;
}

.ng-project-header__menu-button:hover,
.ng-project-header__menu-button:focus-visible,
.ng-project-header__menu-button[aria-expanded="true"] {
  opacity: 1;
}

.ng-project-header__menu-icon {
  position: relative;
  width: 24px;
  height: 10px;
}

.ng-project-header__menu-icon::before,
.ng-project-header__menu-icon::after {
  content: "";
  position: absolute;
  right: 0;
  width: 24px;
  height: 1px;
  background: currentColor;
  transition: top 220ms ease, transform 220ms ease;
}

.ng-project-header__menu-icon::before { top: 1px; }
.ng-project-header__menu-icon::after { top: 8px; }

.ng-project-header__menu-button[aria-expanded="true"] .ng-project-header__menu-icon::before {
  top: 5px;
  transform: rotate(45deg);
}

.ng-project-header__menu-button[aria-expanded="true"] .ng-project-header__menu-icon::after {
  top: 5px;
  transform: rotate(-45deg);
}

body.ng-project-index-open .ng-project-header {
  color: var(--paper);
  background: #0d0c0b;
  border-bottom-color: rgba(242, 238, 230, .12);
}

body.ng-project-index-open .ng-project-header__logo {
  filter: none;
}

.ng-project-index {
  position: fixed;
  z-index: 2900;
  inset: 0;
  display: grid;
  place-items: center;
  overflow-y: auto;
  padding: calc(var(--header-height) + 34px) var(--pad) 42px;
  color: var(--paper);
  background: #0d0c0b;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 260ms ease, visibility 0s linear 260ms;
}

.ng-project-index[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}

.ng-project-index__inner {
  width: min(100%, 980px);
}

.ng-project-index__eyebrow {
  margin: 0 0 clamp(26px, 4vw, 52px);
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  opacity: .52;
}

.ng-project-index__nav {
  display: grid;
  border-top: 1px solid rgba(242, 238, 230, .16);
}

.ng-project-index__link {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  min-height: clamp(84px, 12vh, 132px);
  border-bottom: 1px solid rgba(242, 238, 230, .16);
  transition: opacity 180ms ease;
}

.ng-project-index__link:hover,
.ng-project-index__link:focus-visible {
  opacity: .66;
}

.ng-project-index__number {
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .12em;
  opacity: .42;
}

.ng-project-index__label {
  font-size: clamp(2.25rem, 6vw, 5.8rem);
  font-weight: 900;
  letter-spacing: -.07em;
  line-height: .9;
  text-transform: uppercase;
}

.ng-project-index__arrow {
  font-size: 1.2rem;
  opacity: .48;
}

body.ng-project-index-open {
  overflow: hidden;
}

#inicio,
#lecturas,
#cierre {
  scroll-margin-top: var(--header-height);
}

@media (max-width: 760px) {
  .ng-project-header__title { display: none; }
  .ng-project-header__inner { grid-template-columns: minmax(0, 1fr) auto; }
  .ng-project-header__tools { gap: 9px; }
  .ng-project-header__logo { width: 78px; }
  .ng-project-header__back,
  .ng-project-header__language-button,
  .ng-project-header__menu-button { font-size: .5rem; letter-spacing: .12em; }
  .ng-project-header__menu-button { gap: 8px; }
  .ng-project-header__menu-icon,
  .ng-project-header__menu-icon::before,
  .ng-project-header__menu-icon::after { width: 20px; }
  .ng-project-index__link { grid-template-columns: 32px minmax(0, 1fr) auto; gap: 12px; }
}

@media (max-width: 460px) {
  .ng-project-header__tools { gap: 6px; }
  .ng-project-header__back { font-size: 0; }
  .ng-project-header__back::before {
    content: "←";
    font-size: .82rem;
    line-height: 1;
  }
  .ng-project-header__back::after { display: none; }
  .ng-project-header__language { gap: 6px; }
  .ng-project-header__language-button { min-width: 34px; padding-inline: 2px; }
  .ng-project-header__menu-button > span:first-child { display: none; }
  .ng-project-index { align-items: start; padding-top: calc(var(--header-height) + 58px); }
  .ng-project-index__label { font-size: clamp(2.1rem, 12vw, 3.2rem); }
}

@media (prefers-reduced-motion: reduce) {
  .ng-project-header,
  .ng-project-header__logo,
  .ng-project-header__menu-icon::before,
  .ng-project-header__menu-icon::after,
  .ng-project-index,
  .ng-project-index__link {
    transition: none;
  }
}