/* ==========================================================================
   Layout global: cabecera, navegación (incluido menú móvil) y pie de página
   ========================================================================== */

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgb(255 255 255 / 0.97);
  border-bottom: 1px solid transparent;
  transition:
    border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

@supports (backdrop-filter: blur(8px)) {
  .site-header {
    background: rgb(255 255 255 / 0.9);
    backdrop-filter: saturate(1.4) blur(10px);
  }
}

.site-header.is-scrolled {
  border-color: var(--c-line);
  box-shadow: var(--shadow-s);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-m);
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  flex: none;
  border-radius: var(--radius-s);
}

.brand img {
  width: auto;
  height: 2.6rem;
}

@media (min-width: 64rem) {
  .brand img {
    height: 3.15rem;
  }
}

/* --- Botón del menú móvil ------------------------------------------------ */

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 2.75rem;
  padding: 0.4rem 0.9rem;
  border: 1.5px solid var(--c-line);
  border-radius: var(--radius-pill);
  background: #fff;
  color: var(--jpc-azul-900);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav-toggle__bars {
  position: relative;
  width: 1.25rem;
  height: 0.875rem;
}

.nav-toggle__bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition:
    transform var(--dur) var(--ease),
    opacity var(--dur) var(--ease),
    top var(--dur) var(--ease);
}

.nav-toggle__bars span:nth-child(1) {
  top: 0;
}

.nav-toggle__bars span:nth-child(2) {
  top: calc(50% - 1px);
}

.nav-toggle__bars span:nth-child(3) {
  top: calc(100% - 2px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) {
  top: calc(50% - 1px);
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) {
  top: calc(50% - 1px);
  transform: rotate(-45deg);
}

/* --- Navegación --------------------------------------------------------- */

.site-nav ul {
  list-style: none;
}

.site-nav a:not(.btn) {
  color: var(--jpc-azul-900);
  font-family: var(--font-display);
  font-weight: 600;
  text-decoration: none;
}

.site-nav a:not(.btn):hover,
.site-nav a.is-active {
  color: var(--jpc-azul-oscuro);
}

/* Móvil: panel desplegable bajo la cabecera */
@media (max-width: 55.99rem) {
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: calc(100vh - var(--header-h));
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
    padding: var(--space-xs) var(--gutter) var(--space-xl);
    background: #fff;
    border-top: 1px solid var(--c-line);
    box-shadow: 0 18px 30px -18px rgb(3 39 71 / 0.35);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition:
      opacity var(--dur) var(--ease),
      transform var(--dur) var(--ease),
      visibility 0s linear var(--dur);
  }

  .site-header.nav-open .site-nav {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition:
      opacity var(--dur) var(--ease),
      transform var(--dur) var(--ease),
      visibility 0s;
  }

  .site-nav a:not(.btn) {
    display: flex;
    align-items: center;
    min-height: 3.25rem;
    padding-block: 0.5rem;
    border-bottom: 1px solid var(--c-line);
    font-size: var(--step-1);
  }

  .site-nav a.is-active {
    box-shadow: inset 3px 0 0 var(--jpc-verde);
    padding-left: 0.75rem;
  }

  .site-nav .btn {
    width: 100%;
    margin-top: var(--space-l);
  }
}

/* Escritorio: navegación en línea */
@media (min-width: 56rem) {
  .nav-toggle {
    display: none;
  }

  .site-nav ul {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2.5vw, 2.25rem);
  }

  .site-nav a:not(.btn) {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 2.75rem;
    font-size: var(--step-0);
  }

  .site-nav a:not(.btn)::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0.35rem;
    height: 2px;
    border-radius: 2px;
    background: var(--jpc-verde);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--dur) var(--ease);
  }

  .site-nav a:not(.btn):hover::after,
  .site-nav a.is-active::after {
    transform: scaleX(1);
  }
}

/* --- Pie de página ------------------------------------------------------ */

.site-footer {
  background: var(--c-bg-alt);
  border-top: 4px solid transparent;
  border-image: linear-gradient(90deg, var(--jpc-verde), var(--jpc-azul-claro), var(--jpc-azul-oscuro)) 1;
  font-size: var(--step--1);
}

.footer-grid {
  display: grid;
  gap: var(--space-2xl);
  padding-block: var(--space-3xl) var(--space-2xl);
}

@media (min-width: 40rem) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 64rem) {
  .footer-grid {
    grid-template-columns: 1.3fr 0.7fr 1.4fr;
  }
}

.footer-brand img {
  width: auto;
  height: 3.5rem;
  margin-bottom: var(--space-m);
}

.footer-brand p {
  max-width: 22rem;
}

.footer-title {
  margin-bottom: var(--space-m);
  color: var(--jpc-azul-900);
  font-size: var(--step-0);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-links {
  list-style: none;
  display: grid;
  gap: 0.25rem;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  color: var(--c-text);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--jpc-azul-oscuro);
  text-decoration: underline;
}

.footer-legal {
  display: grid;
  gap: var(--space-s);
}

.footer-legal__name {
  color: var(--jpc-azul-900);
  font-weight: 600;
}

.footer-legal a {
  overflow-wrap: anywhere;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-s) var(--space-l);
  padding-block: var(--space-l);
  border-top: 1px solid var(--c-line);
}

.footer-bottom a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 2.75rem;
  color: var(--c-text);
  font-weight: 600;
  text-decoration: none;
}

.footer-bottom a:hover {
  color: var(--jpc-azul-oscuro);
}