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

header.header-transparente {
  background: rgba(18, 18, 18, 0.8);
  padding: 0.5rem 1.5rem;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
  backdrop-filter: blur(8px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
header .container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}
.logo img {
  animation: fadeSlideIn 1s ease-in-out forwards;
  opacity: 0;
}
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(-10px) scale(0.9); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
nav ul {
  display: flex;
  gap: 1rem;
  list-style: none;
}
nav ul li a {
  color: #fff;
  text-decoration: none;
  transition: background-color 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}
@media (min-width: 769px) {
  nav ul li a:hover {
    background-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
  }
}
.menu-icon {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}
#menu-toggle {
  display: none;
}
@media (max-width: 768px) {
  .header-v2 .header-v2__list {
    display: none;
    flex-direction: column;
    background: rgba(0,0,0,0.85);
    position: absolute;
    top: 100%;
    right: 0;
    width: 200px;
    border-radius: 8px;
    overflow: hidden;
  }
  #menu-toggle:checked + .menu-icon + nav ul {
    display: flex;
  }
  .menu-icon {
    display: block;
  }
}

/* conserva proporción original, no deforma */
  width: auto;
  display: block;
  object-fit: contain;
  image-rendering: auto;
}

@media (max-width: 768px) {
  .nav__social {
    gap: 12px;
  }
  .nav__social-icon {
    height: 20px;
  }
}

/* Evitar que el subrayado animado del menú afecte a los iconos */
.nav__social-link::after,
.nav__social a::after,
.nav__social .nav__link::after {
  content: none !important;
}

/* Mantener altura estable y evitar jitter de baseline */
.nav__social {
  align-items: center;
}
.nav__social-link {
  line-height: 1;
  transform: translateZ(0); /* nueva capa para suavizar animaciones */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Evitar flicker en algunos GPUs por filter + hover */
.nav__social-icon {
  /* Mantener proporción sin filtros pesados en header */
  filter: none;
  backface-visibility: hidden;
  will-change: transform;
}

.nav__social-link:hover,
.nav__social-link:focus-visible {
  transform: translateY(-2px) scale(1.06) translateZ(0);
}

/* ajustar si tu texto usa otro offset */
  width: 60%;
  height: 2px;
  background: currentColor;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  transition: transform .25s ease;
}

.nav__social-link:hover::after,
.nav__social-link:focus-visible::after {
  transform: translateX(-50%) scaleX(1);
}

/* Quitar transform de hover extra para no diferir del texto (si tu texto no se mueve) */
.nav__social-link:hover,
.nav__social-link:focus-visible {
  transform: none;
}

/* usa la altura del item nav (fallback 44px) */
  padding: 0 clamp(6px, .8vw, 10px);
  line-height: 1;
}

.nav__social-icon {
  height: clamp(18px, 1.6vw, 22px);
  width: auto;
  display: block;
  object-fit: contain;
  backface-visibility: hidden;
  image-rendering: auto;
}

/* Subrayado igual al de los textos del menú */
.nav__social-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;            /* ajustá a tu offset real si el texto usa otro */
  height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .22s ease;
}

.nav__social-link:hover::after,
.nav__social-link:focus-visible::after {
  transform: scaleX(1);
}

/* Sin escalas ni translates en hover para evitar lag y saltos */
.nav__social-link:hover,
.nav__social-link:focus-visible {
  transform: none;
}

/* Altura base de cada item del menú (texto e iconos) */
:root { --nav-item-h: clamp(40px, 3.8vw, 50px); }

/* Hacer que los links de texto usen la misma caja que los iconos */
.nav__link {
  display: inline-flex;
  align-items: center;
  height: var(--nav-item-h);
  line-height: 1;
  padding: 0 clamp(8px, 1.1vw, 14px);
}

/* Asegurar que el contenedor de la lista centre verticalmente todo */
.nav, .nav__list {
  align-items: center;
}

/* ajuste óptico por defecto (sube 1px) */
}

/* Texto y iconos comparten exactamente la misma caja */
.nav__link,
.nav__social-link {
  display: inline-flex;
  align-items: center;
  height: var(--nav-item-h);
  padding: 0 var(--nav-pad-x);
  line-height: 1;
}

/* Iconos: mismo alto visual + micro-nudge vertical */
.nav__social-icon {
  height: var(--nav-icon-size);
  width: auto;
  display: block;
  transform: translateY(var(--icon-nudge-y));
  backface-visibility: hidden;
}

/* Ajustes por icono (por si los PNG tienen padding distinto) */
.nav__social-icon--360 { --icon-nudge-y: -1px; }     /* súbelo 1px */
.nav__social-icon--ig  { --icon-nudge-y: -0.5px; }   /* medio pixel (óptico) */
.nav__social-icon--fb  { --icon-nudge-y: -1px; }     /* súbelo 1px */

/* Asegurar que la lista centre verticalmente todo */
.nav, .nav__list { align-items: center; }

/* ===================== Header: Caja y subrayado unificados (texto + iconos) ===================== */
:root {
  --nav-item-h: clamp(44px, 3.8vw, 52px);
  --nav-pad-x: clamp(10px, 1.1vw, 16px);
  --nav-icon-size: clamp(18px, 1.6vw, 22px);
  --nav-underline-h: 2px;
  --nav-underline-offset: -6px;
}

.nav, .nav__list {
  align-items: center;
}

.nav__link,
.nav__social-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: var(--nav-item-h);
  padding: 0 var(--nav-pad-x);
  line-height: 1;
  color: inherit;
  text-decoration: none;
}

/* SVG icons con misma altura visual que el texto */
.nav__social-icon {
  height: var(--nav-icon-size);
  width: auto;
  display: block;
  /* no nudge por defecto, los SVG ya vienen al ras */
}

/* Subrayado idéntico para texto e iconos */
.nav__link::after,
.nav__social-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: var(--nav-underline-offset);
  height: var(--nav-underline-h);
  background: currentColor;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .22s ease;
}

.nav__link:hover::after,
.nav__link:focus-visible::after,
.nav__social-link:hover::after,
.nav__social-link:focus-visible::after {
  transform: scaleX(1);
}

/* Sin transforms extra en hover para evitar lag/saltos */
.nav__social-link:hover,
.nav__social-link:focus-visible {
  transform: none;
}

/* ===================== Header: Pulido visual fino (alineación & spacing) ===================== */
/* Perillas globales del header (ajustables sin tocar reglas) */
:root {
  --nav-item-h: clamp(44px, 3.8vw, 52px);   /* altura de cada item (texto e iconos) */
  --nav-pad-x: clamp(10px, 1.1vw, 16px);    /* padding lateral de cada item */
  --nav-icon-size: clamp(18px, 1.6vw, 22px);/* alto del SVG de redes */
  --nav-underline-h: 2px;                   /* grosor del subrayado */
  --nav-underline-offset: -6px;             /* posición vertical del subrayado */
  --nav-icon-nudge: -1px;                   /* microajuste vertical de iconos (negativo = subir) */
}

/* Aplicar las perillas a los elementos existentes */
/* Nota: no cambiamos display/box-model si ya están definidos en tu base estable */
.nav__link,
.nav__social-link {
  height: var(--nav-item-h);
  padding: 0 var(--nav-pad-x);
  line-height: 1;
}

.nav__social-icon {
  height: var(--nav-icon-size);
  width: auto;
  transform: translateY(var(--nav-icon-nudge));
  display: block;
  backface-visibility: hidden;
}

/* Uniformar el subrayado en texto e iconos usando las mismas perillas */
.nav__link::after,
.nav__social-link::after {
  bottom: var(--nav-underline-offset);
  height: var(--nav-underline-h);
}

/* ===================== HEADER V2 (scoped, no rompe el existente) ===================== */
.header-transparente { display: none; } /* ocultamos el header viejo solo en esta build */
.header-v2 {
  --nav-h: clamp(64px, 8vw, 88px);
  --nav-item-h: clamp(44px, 3.8vw, 52px);
  --nav-pad-x: clamp(10px, 1.1vw, 16px);
  --nav-icon-size: clamp(18px, 1.6vw, 22px);
  --underline-h: 2px;
  --underline-offset: -8px;
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: saturate(1.1) blur(8px);
  background: rgba(0,0,0,0.25);
}

.header-v2__inner {
  height: var(--nav-h);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 28px);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(8px, 2vw, 20px);
}

.header-v2__brand { display: inline-flex; align-items: center; line-height: 1; }
.header-v2__logo { height: clamp(28px, 4.2vw, 40px); width: auto; display: block; }

/* Toggle (móvil) */

/* Nav */
.header-v2__nav { justify-self: center; }
.header-v2__list {
  display: flex;
  align-items: center;
  gap: clamp(6px, 1.2vw, 18px);
  list-style: none;
  margin: 0; padding: 0;
}
.header-v2__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: var(--nav-item-h);
  padding: 0 var(--nav-pad-x);
  line-height: 1;
  color: inherit; text-decoration: none;
}

/* Subrayado unificado */
.header-v2__link::after {
  content: "";
  position: absolute; left: 0; right: 0;
  bottom: var(--underline-offset);
  height: var(--underline-h);
  background: currentColor;
  transform: scaleX(0);
  transform-origin: center; 
  transition: transform .22s ease;
}
.header-v2__link:hover::after,
.header-v2__link:focus-visible::after,
.header-v2__link[aria-current="page"]::after {
  transform: scaleX(1);
}

/* Iconos */
.header-v2__link--icon { padding: 0 calc(var(--nav-pad-x) * .6); }
.header-v2__icon { height: var(--nav-icon-size); width: auto; display: block; }

/* Responsive: móvil */
@media (max-width: 1024px) {
  
  .header-v2__nav { 
    position: fixed; inset: var(--nav-h) 0 auto 0; 
    background: rgba(0,0,0,.92);
    transform: translateY(-8px);
    opacity: 0; pointer-events: none;
    transition: opacity .25s ease, transform .25s ease;
    padding: 16px 20px;
  }
  .header-v2.is-open .header-v2__nav { transform: none; opacity: 1; pointer-events: auto; }
  .header-v2__list { 
    flex-direction: column; align-items: flex-start; gap: 6px;
  }
  .header-v2__item--social { margin-top: 8px; }
  
  .header-v2.is-open 
  .header-v2.is-open 
  .header-v2.is-open 
}


/* === Active nav state === */
.nav-link { text-decoration: none; }
.nav-link.active { text-decoration: underline; text-underline-offset: 4px; }

/* ===== Hamburguesa (v2 mejorada) ===== */
.header-v2__toggle {
  --burger-size: 22px;
  --burger-thickness: 2px;
  --burger-gap: 6px;
  --burger-color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--burger-color);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background .18s ease, transform .18s ease;
}
.header-v2__toggle:hover { background: rgba(255,255,255,0.08); }
.header-v2__toggle:active { transform: scale(0.98); }
.header-v2__toggle:focus-visible { outline: 0; box-shadow: 0 0 0 3px rgba(255,255,255,0.28); }

/* Icono: 3 líneas blancas que cruzan a "X" */
.header-v2__burger {
  position: relative;
  width: var(--burger-size);
  height: calc(var(--burger-thickness) * 3 + var(--burger-gap) * 2);
  display: inline-block;
  color: inherit;
}

.header-v2__burger { top: 50%; transform: translateY(-50%); }

.header-v2__burger::after  { top: calc(  var(--burger-gap) + var(--burger-thickness)); }

/* Estado abierto: líneas cruzadas en X y la del medio se oculta */
.header-v2.is-open .header-v2__burger { background: transparent; }
.header-v2.is-open 
.header-v2.is-open .header-v2__burger::after {
  transform: translateY(calc(-1 * (var(--burger-gap) + var(--burger-thickness)))) rotate(-45deg);
}

/* Color siempre blanco sobre fondos oscuros (mobile y desktop) */
.header-v2,
.header-v2__toggle,
.header-v2__burger { color: #fff; }


/* Base: ocultar hamburguesa en desktop */
.header-v2__toggle{display:none}


.header-v2__burger::before,
.header-v2__burger::after {
  background: currentColor;
  border-radius: 999px;
  height: var(--burger-thickness);
  width: 100%;
  display: block;
  content: "";
  position: absolute;
  left: 0;
  transition: transform .22s ease, opacity .18s ease, background-color .2s ease;
}
.header-v2__burger::before { top: calc(-1 * (var(--burger-gap) + var(--burger-thickness))); }
.header-v2__burger::after  { top: calc(  var(--burger-gap) + var(--burger-thickness)); }