/* =========================================================
   MUTADOR — Navigation v2
   Estética inspirada en el archive header de virgilabloh.com:
   tiras de borde discontinuo, barra de 48px, dividers verticales,
   tipografía mono 10px uppercase, entrada animada con clip-path.
   Se carga en paralelo a styles.css; no pisa ninguna clase existente.
   ========================================================= */


/* ----------------------------------------------------------
   Wrapper exterior
   ---------------------------------------------------------- */
.nav2 {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  transition: background 0.3s ease;
}

body[data-theme="dark"] .nav2 {
  background: var(--ink);
}


/* ----------------------------------------------------------
   Tiras de borde discontinuo (top & bottom del bar)
   ---------------------------------------------------------- */
.nav2-strip {
  height: 7px;
  width: 100%;
  border: 0.5px dashed var(--ink);
  opacity: 0.18;
  flex-shrink: 0;
  transition: border-color 0.3s ease, opacity 0.3s ease;
}
.nav2-strip--top { border-bottom: none; }
.nav2-strip--bot { border-top:    none; }

body[data-theme="dark"] .nav2-strip {
  border-color: var(--paper);
  opacity: 0.25;
}


/* ----------------------------------------------------------
   Barra principal
   ---------------------------------------------------------- */
.nav2-bar {
  display: flex;
  align-items: stretch;
  width: 100%;
  height: 48px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: -0.05em;
  text-transform: uppercase;
  line-height: 1;
}


/* ----------------------------------------------------------
   Dividers verticales animados
   ---------------------------------------------------------- */
.nav2-divider {
  flex-shrink: 0;
  width: 0;
  height: 100%;
  overflow: hidden;
  border-right: 0.5px dashed var(--ink);
  opacity: 0.18;
  animation: nav2-divider-in 0.35s ease-out forwards;
  animation-delay: var(--nav2-delay, 0.1s);
  transition: border-color 0.3s ease;
}

body[data-theme="dark"] .nav2-divider {
  border-color: var(--paper);
}

@keyframes nav2-divider-in {
  from { width: 0;   }
  to   { width: 1px; }
}


/* ----------------------------------------------------------
   Grupos laterales (logo, meta)
   ---------------------------------------------------------- */
.nav2-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  padding: 0 14px;
}


/* ----------------------------------------------------------
   Logo
   ---------------------------------------------------------- */
.nav2-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.nav2-logo img {
  height: 22px;
  width: auto;
  display: block;
}

/* Cambio de logo según tema */
body:not([data-theme="dark"]) .nav2-logo .l-dark  { display: none; }
body[data-theme="dark"]       .nav2-logo .l-light { display: none; }


/* ----------------------------------------------------------
   Nav principal (desktop)
   ---------------------------------------------------------- */
.nav2-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  flex: 1;
  padding: 0 18px;
}

.nav2-link {
  color: var(--ink);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: -0.05em;
  text-transform: uppercase;
  line-height: 1;
  opacity: 0;
  clip-path: inset(0 100% 0 0);
  animation: nav2-link-in 0.5s ease-out forwards;
  animation-delay: var(--nav2-link-delay, 0.2s);
  transition: opacity 0.2s ease;
}

.nav2-link:hover           { opacity: 0.45; }
.nav2-link--active         { font-style: italic; }
.nav2-link--active:hover   { opacity: 1; }

body[data-theme="dark"] .nav2-link { color: var(--paper); }

@keyframes nav2-link-in {
  from { clip-path: inset(0 100% 0 0); opacity: 0; }
  to   { clip-path: inset(0 0%   0 0); opacity: 1; }
}

/* Entradas escalonadas */
.nav2-link:nth-child(1) { --nav2-link-delay: 0.18s; }
.nav2-link:nth-child(2) { --nav2-link-delay: 0.28s; }
.nav2-link:nth-child(3) { --nav2-link-delay: 0.38s; }
.nav2-link:nth-child(4) { --nav2-link-delay: 0.48s; }
.nav2-link:nth-child(5) { --nav2-link-delay: 0.58s; }


/* ----------------------------------------------------------
   Meta (reloj + ciudad)
   ---------------------------------------------------------- */
.nav2-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  padding: 0 14px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: -0.05em;
  text-transform: uppercase;
  color: var(--ink);
  opacity: 0.5;
  transition: color 0.3s ease;
}

body[data-theme="dark"] .nav2-meta { color: var(--paper); }

.nav2-pulse {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  animation: nav2-pulse 2.4s ease-in-out infinite;
}

@keyframes nav2-pulse {
  0%, 100% { opacity: 1;   transform: scale(1);   }
  50%       { opacity: 0.2; transform: scale(0.6); }
}


/* ----------------------------------------------------------
   Hamburger (sólo móvil)
   ---------------------------------------------------------- */
.nav2-burger {
  display: none;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

.nav2-burger span {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--ink);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

body[data-theme="dark"] .nav2-burger span { background: var(--paper); }

/* Estado abierto — cruz */
.nav2-burger[aria-expanded="true"] span:first-child {
  transform: translateY(3px) rotate(45deg);
}
.nav2-burger[aria-expanded="true"] span:last-child {
  transform: translateY(-3px) rotate(-45deg);
}


/* ----------------------------------------------------------
   Spacer — compensa el header fijo
   (7px top strip + 48px bar + 7px bot strip = 62px)
   ---------------------------------------------------------- */
.nav2-spacer {
  display: block;
  height: 62px;
}


/* ----------------------------------------------------------
   Overlay móvil
   ---------------------------------------------------------- */
.nav2-overlay {
  position: fixed;
  inset: 0;
  z-index: 199;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 80px var(--gutter) 32px;
  transform: translateY(-100%);
  transition: transform 0.45s cubic-bezier(0.77, 0, 0.18, 1),
              visibility 0s linear 0.45s;
  visibility: hidden;
}

body[data-theme="dark"] .nav2-overlay { background: var(--ink); }

.nav2-overlay.is-open {
  transform: translateY(0);
  visibility: visible;
  transition: transform 0.45s cubic-bezier(0.77, 0, 0.18, 1),
              visibility 0s linear 0s;
}

/* Links del overlay */
.nav2-overlay-nav {
  display: flex;
  flex-direction: column;
}

.nav2-overlay-link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-family: var(--display);
  font-size: clamp(28px, 9vw, 52px);
  color: var(--ink);
  text-decoration: none;
  border-top: 0.5px dashed color-mix(in oklab, var(--ink) 30%, transparent);
  padding: 12px 0;
  opacity: 0.25;
  transition: opacity 0.2s ease;
}

.nav2-overlay-link:last-child {
  border-bottom: 0.5px dashed color-mix(in oklab, var(--ink) 30%, transparent);
}

body[data-theme="dark"] .nav2-overlay-link {
  color: var(--paper);
  border-color: color-mix(in oklab, var(--paper) 30%, transparent);
  opacity: 0.3;
}
body[data-theme="dark"] .nav2-overlay-link:last-child {
  border-bottom-color: color-mix(in oklab, var(--paper) 30%, transparent);
}

.nav2-overlay-link--active,
.nav2-overlay-link:hover { opacity: 1; }

.nav2-overlay-link em {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  font-style: normal;
  opacity: 0.4;
  flex-shrink: 0;
  margin-left: 16px;
}

/* Meta inferior del overlay */
.nav2-overlay-foot {
  display: flex;
  align-items: center;
  gap: 20px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: -0.05em;
  text-transform: uppercase;
  color: var(--ink);
  opacity: 0.4;
}

body[data-theme="dark"] .nav2-overlay-foot { color: var(--paper); }

.nav2-overlay-foot .nav2-pulse { background: var(--accent); }


/* ----------------------------------------------------------
   Breakpoints
   ---------------------------------------------------------- */

/* Móvil — flota a 11px de los bordes */
@media (max-width: 700px) {
  .nav2 {
    top:   11px;
    left:  11px;
    right: 11px;
    width: auto;
  }

  .nav2-nav,
  .nav2-meta,
  .nav2-divider     { display: none; }

  .nav2-burger      { display: flex; }

  .nav2-bar         { height: 44px; }

  .nav2-group--logo { flex: 1; }

  .nav2-spacer      { height: 80px; }
}

/* Desktop — oculta overlay */
@media (min-width: 701px) {
  .nav2-overlay { display: none; }
}


/* ----------------------------------------------------------
   Movimiento reducido
   ---------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .nav2-link {
    animation: none;
    clip-path: none;
    opacity: 1;
  }
  .nav2-divider {
    animation: none;
    width: 1px;
  }
  .nav2-overlay {
    transition: visibility 0s;
  }
}