/* ==========================================================================
   layout.css — Header, contenedor principal y Footer.
   Toda medida, color y tipografía proviene de tokens.css.
   No se introducen valores mágicos en este archivo.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Reset mínimo + base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-base);
  /* Crema cálido en todo el sitio — el Hero añade su propio resplandor
     de color arriba, que se desvanece hacia este mismo tono. */
  background: var(--color-cream);
}

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

.skip-link {
  position: absolute;
  left: var(--space-3);
  top: -100px;
  background: var(--color-base);
  color: var(--color-surface);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-default);
  z-index: 100;
  transition: var(--transition-interactive);
}
.skip-link:focus {
  top: var(--space-3);
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

/* --------------------------------------------------------------------------
   Contenedor principal — regla única de ancho para todo el sitio
   -------------------------------------------------------------------------- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding-mobile);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--container-padding-desktop);
  }
}

/* --------------------------------------------------------------------------
   HEADER — sticky
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 245, 242, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border-default);
}

.site-header__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding-mobile);
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.site-header__nav-group {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .site-header__inner {
    padding-inline: var(--container-padding-desktop);
  }
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-base);
  flex-shrink: 0;
}

.site-header__logo {
  height: 60px;
  width: auto;
  display: block;
}

/* --------------------------------------------------------------------------
   Navegación primaria
   -------------------------------------------------------------------------- */
.site-nav__list {
  list-style: none;
  display: flex;
  gap: var(--space-5);
  margin: 0;
  padding: 0;
}

.site-nav__list a {
  position: relative;
  display: inline-block;
  padding-block: var(--space-2);
  color: var(--color-base);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: var(--text-body);
  transition: var(--transition-interactive);
}

/* Subrayado oro animado — crece de 0 a 100% en hover */
.site-nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0%;
  background: var(--color-gold);
  transition: var(--transition-interactive);
}

.site-nav__list a:hover::after {
  width: 100%;
}

/* Página actual — subrayado persistente + peso mayor */
.site-nav__list a[aria-current="page"] {
  font-weight: var(--font-weight-semibold);
}
.site-nav__list a[aria-current="page"]::after {
  width: 100%;
}

.site-nav__list a:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
  border-radius: 2px;
}

/* --------------------------------------------------------------------------
   Toggle de menú móvil
   -------------------------------------------------------------------------- */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: var(--tap-target-min);
  height: var(--tap-target-min);
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle__bar {
  width: 24px;
  height: 2px;
  background: var(--color-base);
  transition: var(--transition-interactive);
}

.nav-toggle:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

@media (max-width: 767px) {
  .nav-toggle { display: flex; }

  .site-nav {
    position: absolute;
    top: 84px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border-default);
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-interactive);
  }

  .site-nav[data-open="true"] {
    max-height: 320px;
  }

  .site-nav__list {
    flex-direction: column;
    gap: 0;
    padding: var(--space-3) var(--container-padding-mobile) var(--space-4);
  }

  .site-nav__list a {
    display: block;
    padding-block: var(--space-3);
  }
}

/* --------------------------------------------------------------------------
   LANGUAGE SWITCH — selector ES / EN en el header
   -------------------------------------------------------------------------- */
.lang-switch {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-small);
  font-weight: var(--font-weight-semibold);
}

.lang-switch a {
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-default);
  color: var(--color-base-soft);
  text-decoration: none;
  transition: var(--transition-interactive);
}

.lang-switch a:hover {
  color: var(--color-scarlet);
}

.lang-switch a:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.lang-switch a[aria-current="true"] {
  color: var(--color-surface);
  background: var(--gradient-flame);
}

.lang-switch__divider {
  color: var(--color-border-default);
}

/* --------------------------------------------------------------------------
   BUTTON — componente compartido (Home, CTABand de páginas internas, etc.)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap-target-min);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-default);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  font-size: var(--text-body);
  transition: var(--transition-interactive);
  border: 2px solid transparent;
  cursor: pointer;
}

.btn--primary {
  background: var(--gradient-flame);
  color: var(--color-on-ink);
}
.btn--primary:hover {
  background: var(--gradient-flame-soft);
  transform: translateY(-1px);
  box-shadow: var(--shadow-elevated);
}
.btn--primary:active {
  transform: translateY(0);
  box-shadow: none;
}
.btn--primary:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.btn--secondary {
  background: transparent;
  border-color: var(--color-base);
  color: var(--color-base);
}
.btn--secondary:hover {
  background: var(--color-base);
  color: var(--color-surface);
}
.btn--secondary:active {
  background: #111827;
}
.btn--secondary:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

/* Variante para uso sobre --color-ink (ej. Hero): invierte el contraste */
.btn--on-ink {
  border-color: var(--color-on-ink-soft);
  color: var(--color-on-ink);
}
.btn--on-ink:hover {
  background: var(--color-on-ink);
  color: var(--color-ink);
}
.btn--on-ink:active {
  background: var(--color-on-ink-soft);
}

/* --------------------------------------------------------------------------
   PAGE HEADER + BREADCRUMB — compartido por todas las páginas internas
   -------------------------------------------------------------------------- */
.breadcrumb {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  font-size: var(--text-small);
  color: var(--color-base-soft);
  margin-bottom: var(--space-4);
}

.breadcrumb a {
  color: var(--color-base-soft);
  text-decoration: none;
  transition: var(--transition-interactive);
}
.breadcrumb a:hover {
  color: var(--color-scarlet);
}
.breadcrumb a:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.breadcrumb [aria-current="page"] {
  color: var(--color-base);
  font-weight: var(--font-weight-medium);
}

.page-header {
  max-width: var(--measure-max);
  padding-block-end: var(--space-6);
}

.page-header__title {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-h1);
  letter-spacing: var(--tracking-h1);
  color: var(--color-base);
  margin: 0 0 var(--space-3);
}

.page-header__lead {
  font-size: var(--text-body-lg);
  line-height: var(--leading-body-lg);
  color: var(--color-base-soft);
  margin: 0;
}

/* --------------------------------------------------------------------------
   CTA BAND — cierre estándar compartido por páginas internas
   -------------------------------------------------------------------------- */
.cta-band {
  padding-block: var(--space-8);
  position: relative;
  text-align: center;
}
.cta-band::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-flame);
  opacity: 0.6;
}

.cta-band__title {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: var(--font-weight-semibold);
  color: var(--color-base);
  margin: 0 0 var(--space-2);
}

.cta-band__text {
  font-size: var(--text-body);
  color: var(--color-base-soft);
  margin: 0 0 var(--space-5);
}

/* --------------------------------------------------------------------------
   MAIN
   -------------------------------------------------------------------------- */
.site-main {
  padding-block: var(--space-7);
}

@media (min-width: 1024px) {
  .site-main {
    padding-block: var(--space-8);
  }
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-base);
  color: var(--color-surface);
  padding-block: var(--space-8);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .site-footer__inner {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: var(--space-5);
  }
}

@media (min-width: 1024px) {
  .site-footer__inner {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }
}

.site-footer__heading {
  font-family: var(--font-display);
  font-size: var(--text-h4);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--space-3);
  color: var(--color-surface);
}

.site-footer__heading--small {
  font-size: var(--text-body);
  text-transform: uppercase;
  letter-spacing: var(--tracking-eyebrow);
  color: var(--color-gold);
}

.site-footer__text {
  margin: 0;
  color: #D1D5DB;
}

.site-footer__list,
.site-footer__social {
  list-style: none;
  margin: 0 0 var(--space-3);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.site-footer__list a,
.site-footer__social a,
.site-footer__link-inline {
  color: var(--color-surface);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: var(--transition-interactive);
}

.site-footer__list a:hover,
.site-footer__social a:hover,
.site-footer__link-inline:hover {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

.site-footer__list a:focus-visible,
.site-footer__social a:focus-visible,
.site-footer__link-inline:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.site-footer__link-inline {
  display: inline-block;
  font-size: var(--text-small);
}

.site-footer__legal {
  border-top: 1px solid #374151;
  margin-top: var(--space-6);
  padding-top: var(--space-4);
}

.site-footer__legal p {
  margin: 0;
  font-size: var(--text-small);
  color: #9CA3AF;
  line-height: 1.6;
}

.site-footer__legal-break {
  display: block;
  content: "";
  margin-top: var(--space-1);
}

.site-footer__credit {
  font-size: var(--text-small);
  color: #6B7280;
}

.site-footer__credit a {
  color: #9CA3AF;
  text-decoration: underline;
  transition: var(--transition-interactive);
}
.site-footer__credit a:hover {
  color: var(--color-gold);
}
.site-footer__credit a:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}