/*
  Cabecera y pie.
  Medidas tomadas de iuvity.com a 1440px y 390px (2026-10-06).
  Escritorio ≥ 992px: menú horizontal con paneles desplegables.
  Móvil < 992px: panel a pantalla completa con acordeones.
*/

/* Iconos dibujados con CSS (sin imágenes externas) */
.caret {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-3px) rotate(45deg);
  transition: transform 0.2s ease-in-out;
}

.link-arrow::after {
  content: "";
  display: inline-block;
  width: 0.6em;
  height: 0.6em;
  margin-left: 0.45em;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M0 5h9.2L5.6 1.4 7 0l6 6-6 6-1.4-1.4L9.2 7H0z'/%3E%3C/svg%3E") center / contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M0 5h9.2L5.6 1.4 7 0l6 6-6 6-1.4-1.4L9.2 7H0z'/%3E%3C/svg%3E") center / contain no-repeat;
  transition: transform 0.2s ease-in-out;
}

.link-arrow:hover::after {
  transform: translateX(3px);
}

/* ---------------------------------------------------------------- Cabecera */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow var(--ease);
}

/* El desenfoque va en un pseudo-elemento: si estuviera en .site-header,
   el menú móvil (position: fixed) quedaría limitado al alto de la cabecera. */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(255, 255, 255, 0.6);
  -webkit-backdrop-filter: blur(13px);
          backdrop-filter: blur(13px);
}

.site-header.is-scrolled {
  box-shadow: -2px 3px 5px rgba(0, 0, 0, 0.1);
}

.site-header__inner {
  display: flex;
  align-items: center;
  min-height: var(--header-h);
}

.site-header__logo {
  flex-shrink: 0;
}

.site-header__logo img {
  width: 112px;
  height: auto;
}

/* Botones del menú: sin estilo de botón del navegador.
   :where() deja la especificidad en 0 para no pisar la tipografía. */
:where(.site-nav button) {
  margin: 0;
  border: 0;
  background: none;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

:where(.site-nav ul) {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__link,
.site-nav__group-title,
.lang-switch__toggle {
  font-family: var(--font-wide);
  font-weight: var(--fw-black);
  letter-spacing: var(--ls-heading);
  color: var(--color-ink);
}

.site-nav__link:hover,
.site-nav__link:focus-visible,
.lang-switch__toggle:hover {
  color: var(--color-green-hover);
}

.site-nav__sublist a {
  display: block;
  font-family: var(--font-sans);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-heading);
  color: var(--color-ink);
  opacity: 0.75;
  transition: color 0.2s ease-in-out, opacity 0.2s ease-in-out;
}

.site-nav__sublist a:hover,
.site-nav__sublist a:focus-visible {
  color: var(--color-green-hover);
  opacity: 1;
}

.site-header__cta {
  font-family: var(--font-wide);
  font-size: var(--fs-nav);
  text-transform: uppercase;
  letter-spacing: var(--ls-caps);
  color: var(--color-green);
  white-space: nowrap;
}

.site-header__cta:hover {
  color: var(--color-teal-dark);
}

.lang-switch {
  position: relative;
}

.lang-switch__list a {
  display: block;
  font-family: var(--font-wide);
  font-weight: var(--fw-black);
  letter-spacing: var(--ls-heading);
  color: var(--color-ink);
}

.lang-switch__list a:hover {
  color: var(--color-green-hover);
}

/* Indicador desplegable en los toggles */
.site-nav__link.site-nav__toggle::after,
.lang-switch__toggle::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-4px) rotate(45deg);
  transition: transform 0.2s ease-in-out;
}

/* ---------- Escritorio */
@media (min-width: 992px) {
  .site-header__burger,
  .site-nav__top,
  .lang-switch__label-mobile {
    display: none;
  }

  .site-nav {
    display: flex;
    flex: 1;
    align-items: center;
    margin-left: 90px;
  }

  .site-nav__list {
    display: flex;
    align-items: stretch;
  }

  .site-nav__item {
    position: relative;
  }

  .site-nav__link {
    display: block;
    padding: 33px 24px 34px 12px;
    font-size: var(--fs-nav);
    line-height: 18px;
    white-space: nowrap;
  }

  .site-nav__panel {
    position: absolute;
    top: 100%;
    left: -26px;
    display: flex;
    padding: 13px 0 20px;
    background: var(--color-white);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--ease), visibility var(--ease);
  }

  .site-nav__item:hover > .site-nav__panel,
  .site-nav__item:focus-within > .site-nav__panel,
  .site-nav__toggle[aria-expanded="true"] + .site-nav__panel {
    opacity: 1;
    visibility: visible;
  }

  .site-nav__item:hover > .site-nav__toggle::after,
  .site-nav__toggle[aria-expanded="true"]::after {
    transform: translateY(0) rotate(-135deg);
  }

  .site-nav__group {
    width: 221px;
  }
}

/* Escritorio estrecho: con "Blog" en el menú no caben los márgenes completos,
   y el panel de "Nosotros" (3 columnas) se abre hacia la izquierda para no desbordar */
@media (min-width: 992px) and (max-width: 1399.98px) {
  .site-nav {
    margin-left: 40px;
  }

  .site-nav__link {
    padding-right: 14px;
    padding-left: 8px;
  }

  .site-nav__item:nth-child(3) > .site-nav__panel {
    right: -26px;
    left: auto;
  }
}

@media (min-width: 992px) {

  /* En escritorio los grupos siempre están abiertos: el título no es interactivo */
  .site-nav__group-title {
    display: block;
    width: 100%;
    padding: 10px 15px;
    font-size: var(--fs-nav);
    line-height: 18px;
    pointer-events: none;
  }

  .site-nav__sublist a {
    padding: 10px 15px;
    font-size: var(--fs-nav);
    line-height: 18px;
  }

  .site-nav__bar {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-left: auto;
  }

  .lang-switch__toggle {
    padding: 0 24px 0 0;
    font-size: var(--fs-nav);
    line-height: 26px;
    text-transform: uppercase;
  }

  .lang-switch__toggle::after {
    position: absolute;
    right: 8px;
    top: 50%;
    margin: 0;
    transform: translateY(-70%) rotate(45deg);
  }

  .lang-switch__list {
    position: absolute;
    top: calc(100% + 20px);
    left: -15px;
    min-width: 80px;
    padding: 10px 0;
    background: var(--color-white);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--ease), visibility var(--ease);
  }

  .lang-switch:hover .lang-switch__list,
  .lang-switch:focus-within .lang-switch__list,
  .lang-switch__toggle[aria-expanded="true"] + .lang-switch__list {
    opacity: 1;
    visibility: visible;
  }

  .lang-switch__list a {
    padding: 6px 15px;
    font-size: var(--fs-nav);
  }
}

/* ---------- Móvil */
@media (max-width: 991.98px) {
  .site-header__burger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin-left: auto;
    margin-right: -10px;
    padding: 0;
    border: 0;
    background: none;
    color: var(--color-ink);
    cursor: pointer;
  }

  .burger-icon,
  .burger-icon::before,
  .burger-icon::after {
    display: block;
    width: 18px;
    height: 2px;
    background: currentColor;
  }

  .burger-icon {
    position: relative;
  }

  .burger-icon::before,
  .burger-icon::after {
    content: "";
    position: absolute;
    left: 0;
  }

  .burger-icon::before { top: -6px; }
  .burger-icon::after { top: 6px; }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    flex-direction: column;
    padding: 20px 28px 32px;
    overflow-y: auto;
    background: var(--color-white);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
  }

  .site-nav__top {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 28px;
  }

  .site-nav__close {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-family: var(--font-wide);
    font-size: 15px;
    font-weight: var(--fw-black);
    letter-spacing: var(--ls-heading);
    color: var(--color-ink);
  }

  .close-icon {
    position: relative;
    width: 18px;
    height: 18px;
  }

  .close-icon::before,
  .close-icon::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: currentColor;
    transform: rotate(45deg);
  }

  .close-icon::after {
    transform: rotate(-45deg);
  }

  .site-nav__link,
  .site-nav__group-title {
    position: relative;
    display: block;
    width: 100%;
    padding: 8px 52px 6px 0;
    font-size: 13px;
    line-height: 1.4;
  }

  .site-nav__group-title {
    padding-left: 15px;
  }

  /* Botón cuadrado gris con flecha, como en el original */
  .site-nav__link.site-nav__toggle::after,
  .site-nav__group-title::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 0;
    width: 22px;
    height: 22px;
    margin: 0;
    border: 0;
    border-radius: 2px;
    background:
      url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%231e263d' stroke-width='1.6'/%3E%3C/svg%3E") center / 8px no-repeat,
      var(--color-gray-lighter);
    transform: translateY(-50%);
    transition: transform 0.2s ease-in-out;
  }

  .site-nav__toggle[aria-expanded="true"]::after {
    transform: translateY(-50%) rotate(180deg);
  }

  .site-nav__toggle[aria-expanded="false"] + .site-nav__panel,
  .site-nav__toggle[aria-expanded="false"] + .site-nav__sublist,
  .site-nav__toggle[aria-expanded="false"] + .lang-switch__list {
    display: none;
  }

  .site-nav__sublist a {
    padding: 6px 0 6px 30px;
    font-size: 13px;
    line-height: 1.4;
  }

  .site-nav__bar {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
    margin-top: auto;
    padding-top: 40px;
  }

  .lang-switch__toggle {
    padding: 0;
    font-size: 13px;
    text-transform: uppercase;
  }

  .lang-switch__list a {
    padding: 8px 0 0 15px;
    font-size: 13px;
  }

  .site-header__cta {
    font-size: 15px;
  }

  body.nav-open {
    overflow: hidden;
  }
}

/* ---------------------------------------------------------------- Pie */

.site-footer {
  background: var(--color-white);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 4px 0;
  padding-block: 30px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-ink);
  text-align: center;
}

.site-footer__inner > * + * {
  margin-left: 12px;
  padding-left: 12px;
  border-left: 1px solid var(--color-gray);
}

.site-footer a {
  color: var(--color-ink);
}

.site-footer a:hover {
  color: var(--color-green);
}