/* ============================================================
   Layout: containers, sections, header, footer, grids
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  position: relative;
  padding-block: var(--space-3xl);
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section__head {
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: var(--space-xl);
  text-align: center;
}

.section__head .lead {
  margin-top: var(--space-md);
}

/* ---------- Header / Navigation ---------- */
.header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: var(--z-header);
  transition: box-shadow var(--dur-mid) var(--ease-soft);
}

/* Fondo glass en un pseudo-elemento, NO en .header.
   Motivo: aplicar backdrop-filter al .header lo convertiría en el
   bloque contenedor de sus descendientes position:fixed (el drawer
   .nav), rompiéndolo al hacer scroll. En el ::before no afecta al nav. */
.header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-color: rgba(255, 253, 249, 0.82);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  opacity: 0;
  transition: opacity var(--dur-mid) var(--ease-soft);
  pointer-events: none;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-md);
}

.header.is-scrolled {
  box-shadow: var(--shadow-xs);
}

.header.is-scrolled::before {
  opacity: 1;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-text);
  white-space: nowrap;   /* evita que la marca se parta en móvil */
}

.brand__mark {
  width: 34px;
  height: 34px;
  color: var(--color-gold);
  flex: none;
}

.brand__name span {
  color: var(--color-gold);
}

/* Cluster de controles siempre visible (idioma + hamburguesa) */
.header__controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex: none;
}

/* Primary nav */
.nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.4vw, 2.25rem);
  margin-left: auto;   /* empuja el menú a la derecha en desktop */
}

.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(0.85rem, 2vw, 2rem);
}

.nav__link {
  position: relative;
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-text);
  padding-block: var(--space-2xs);
  transition: color var(--dur-fast) var(--ease-soft);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-mid) var(--ease-out);
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-gold);
}

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

/* Language toggle */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  overflow: hidden;
  background: rgba(255, 253, 249, 0.5);
}

.lang-toggle__btn {
  padding: 0.35rem 0.75rem;
  font-size: var(--fs-min);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-text-soft);
  transition: background-color var(--dur-fast) var(--ease-soft),
    color var(--dur-fast) var(--ease-soft);
}

.lang-toggle__btn.is-active {
  background: var(--color-gold);
  color: var(--color-surface);
}

/* Hamburger (mobile) */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  position: relative;
  flex: none;
}

.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: transform var(--dur-fast) var(--ease-soft),
    opacity var(--dur-fast) var(--ease-soft);
}

.nav-toggle__bar {
  top: 50%;
  margin-top: -1px;
}
.nav-toggle__bar::before { top: -8px; }
.nav-toggle__bar::after { top: 8px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bar {
  background: transparent;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::before {
  top: 0;
  transform: translateX(-50%) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::after {
  top: 0;
  transform: translateX(-50%) rotate(-45deg);
}

/* ---------- Footer ---------- */
.footer {
  background-color: var(--color-footer);
  color: #E9E0D4;
  padding-block: var(--space-2xl) var(--space-lg);
}

.footer a {
  color: #E9E0D4;
  transition: color var(--dur-fast) var(--ease-soft);
}

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

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(233, 224, 212, 0.14);
}

.footer__brand .brand {
  color: #FFFDF9;
}

.footer__tagline {
  margin-top: var(--space-md);
  max-width: 34ch;
  color: rgba(233, 224, 212, 0.72);
  font-size: var(--fs-small);
}

.footer__col h4 {
  color: #FFFDF9;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  font-family: var(--font-body);
  font-weight: 600;
}

.footer__list {
  display: grid;
  gap: var(--space-xs);
  font-size: var(--fs-small);
}

.footer__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2xs);
  color: rgba(233, 224, 212, 0.8);
}

.footer__list svg {
  width: 16px;
  height: 16px;
  margin-top: 3px;
  color: var(--color-gold);
  flex: none;
}

.footer__socials {
  display: flex;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.footer__social {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(233, 224, 212, 0.22);
  border-radius: var(--radius-pill);
  transition: border-color var(--dur-fast) var(--ease-soft),
    background-color var(--dur-fast) var(--ease-soft),
    transform var(--dur-fast) var(--ease-soft);
}

.footer__social:hover {
  border-color: var(--color-gold);
  background: rgba(198, 167, 125, 0.12);
  transform: translateY(-3px);
}

.footer__social svg {
  width: 18px;
  height: 18px;
}

.footer__bottom {
  padding-top: var(--space-md);
  text-align: center;
  font-size: var(--fs-min);
  color: rgba(233, 224, 212, 0.55);
}