/* layout.css — banner de demo, header, grillas de página y footer. Mobile-first. */

/* Aviso de datos de prueba (quitar cuando haya contenido real) */
.demo-banner {
  background: var(--slate-50); border-bottom: 1px solid var(--line);
  text-align: center; padding: 0.375rem var(--margin); color: var(--text-muted);
}

/* Header (fondo opaco; scroll-padding evita que tape el destino de un ancla, ajustado a su altura sticky) */
html { scroll-padding-top: 5rem; }
@media (min-width: 1024px) { html { scroll-padding-top: 8rem; } }
.site-header { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid var(--line); }
.site-header__top { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); padding-block: 0.75rem; }

.logo { font-family: var(--font-serif); font-size: 1.75rem; line-height: 1; font-weight: 600; letter-spacing: -0.02em; color: var(--ink); }
.logo span { color: var(--emerald-text); }
.logo__img { display: inline-block; width: 2.25rem; height: 2.25rem; margin: -0.3rem 0.5rem 0 0; vertical-align: middle; }

.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center; width: 2.75rem; height: 2.75rem;
  background: none; border: 1px solid var(--line); border-radius: var(--r-md);
}
.nav-toggle svg { width: 1.25rem; height: 1.25rem; }

.site-header__panel { display: none; padding-bottom: var(--space-md); }
.site-header__panel.is-open { display: block; }

.site-nav__list { display: flex; flex-direction: column; }
.site-nav__list > li { border-top: 1px solid var(--line); }
.site-nav__link, .site-nav__toggle {
  display: flex; width: 100%; align-items: center; justify-content: space-between; text-align: left;
  min-height: 2.75rem; padding: 0.5rem 0; background: none; border: 0; font-weight: 500; font-size: 1rem; color: var(--ink);
}
.site-nav__link:hover, .site-nav__toggle:hover, .site-nav__link[aria-current="page"] { color: var(--emerald-text); }
.site-nav__toggle svg { width: 1rem; height: 1rem; transition: transform 150ms ease; }
.site-nav__toggle[aria-expanded="true"] svg { transform: rotate(180deg); }
.site-nav__sub { display: none; padding: 0 0 var(--space-sm) var(--space-md); }
.site-nav__sub.is-open { display: block; }
.site-nav__sub a { display: block; padding: 0.5rem 0; font-size: 0.9375rem; color: var(--text-muted); }
.site-nav__sub a:hover { color: var(--emerald-text); }

.site-header__tools { display: flex; flex-direction: column; gap: var(--space-md); padding-top: var(--space-md); border-top: 1px solid var(--line); }

@media (min-width: 1024px) {
  .nav-toggle { display: none; }
  .site-header__top { padding-block: 1rem; }
  /* Fila 1 = logo + herramientas; fila 2 = navegación. El panel se disuelve en la grilla con display: contents */
  .site-header .container { display: grid; grid-template-columns: auto 1fr; align-items: center; }
  .site-header__top { grid-column: 1; grid-row: 1; }
  .site-header__panel { display: contents; }
  .site-header__tools { grid-column: 2; grid-row: 1; flex-direction: row; justify-content: flex-end; align-items: center; border: 0; padding: 0; }
  .site-header__tools .search { width: 18rem; }
  .site-nav { grid-column: 1 / -1; grid-row: 2; border-top: 1px solid var(--line); }
  .site-nav__list { flex-direction: row; gap: 2rem; }
  .site-nav__list > li { position: relative; border: 0; }
  .site-nav__link, .site-nav__toggle { width: auto; gap: var(--space-sm); min-height: 3rem; font-size: 0.9375rem; }
  .site-nav__sub {
    position: absolute; top: 100%; left: -0.75rem; min-width: 15rem; padding: var(--space-sm);
    background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--shadow-2);
  }
  .site-nav__sub a { padding: 0.5rem 0.75rem; border-radius: var(--r-md); }
  .site-nav__sub a:hover { background: var(--slate-50); }
}

/* Secciones de página */
.section { padding-block: var(--space-xl); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-md); margin-bottom: var(--space-lg); padding-bottom: 0.75rem; border-bottom: 1px solid var(--line); }
.section-head h2 { font-size: 1.5rem; line-height: 2rem; font-weight: 600; letter-spacing: -0.01em; }

.hero-wrap { padding-top: var(--space-lg); }

/* Grilla principal + sidebar (8 + 4 columnas en escritorio) */
.page-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
@media (min-width: 1024px) {
  .page-grid { grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); column-gap: var(--gutter); }
  .sidebar { position: sticky; top: 8rem; align-self: start; }
}
.sidebar { display: flex; flex-direction: column; gap: var(--space-lg); }
.sidebar__block > h2 { font-size: 1.125rem; line-height: 1.75rem; font-weight: 600; margin-bottom: var(--space-md); }

.card-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-lg); }
@media (min-width: 640px) { .card-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1280px) { .card-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.recent-list { display: flex; flex-direction: column; gap: var(--space-lg); }

/* Paginación de Recientes */
.pagination { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-sm); margin-top: var(--space-xl); }
.pagination[hidden] { display: none; }
.pagination__link {
  display: inline-flex; align-items: center; justify-content: center; min-width: 2.75rem; min-height: 2.75rem;
  padding: 0 var(--space-md); border-radius: var(--r-full); border: 1px solid var(--mint-200);
  font-weight: 500; font-size: 0.9375rem; color: var(--emerald-text); background: var(--mint-50);
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
}
a.pagination__link:hover { background: var(--emerald-text); color: #fff; border-color: var(--emerald-text); }
.pagination__link.is-current { background: var(--ink); color: #fff; border-color: var(--ink); }
.pagination__link.is-disabled { opacity: 0.45; }

/* Footer */
.site-footer { background: var(--ink); color: #cbd5e1; margin-top: var(--space-2xl); padding-block: var(--space-2xl) var(--space-lg); }
.site-footer a { color: #e2e8f0; }
.site-footer a:hover { color: #6ee7b7; text-decoration: underline; text-underline-offset: 3px; }
.site-footer .logo { color: #fff; }
.site-footer .logo span { color: #6ee7b7; }
.site-footer__logo { display: block; width: 4.5rem; height: 4.5rem; margin-bottom: 0.75rem; }
.social-link { display: inline-flex; align-items: center; gap: 0.625rem; }
.social-link svg { width: 1.5rem; height: 1.5rem; flex: none; }

/* Botones de redes flotantes a la derecha (viven dentro del footer; position: fixed los deja visibles al hacer scroll) */
.social-float { position: fixed; right: 0.75rem; bottom: 1rem; z-index: 40; display: flex; flex-direction: column; gap: 0.625rem; }
.social-float__link {
  display: inline-flex; align-items: center; justify-content: center; width: 2.75rem; height: 2.75rem; border-radius: 50%;
  color: #fff; box-shadow: 0 2px 8px rgba(15, 23, 42, 0.28); transition: transform 0.15s ease;
}
.social-float__link svg { width: 1.5rem; height: 1.5rem; }
.social-float__link--youtube { background: #ff0000; }
.social-float__link--facebook { background: #1877f2; }
.social-float__link--spotify { background: #1db954; }
.social-float__link:hover { transform: scale(1.08); }
.social-float__link:focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; }
@media (min-width: 768px) {
  .social-float { top: 50%; bottom: auto; right: 1.25rem; transform: translateY(-50%); }
  .social-float__link { width: 3rem; height: 3rem; }
}
@media (prefers-reduced-motion: reduce) { .social-float__link { transition: none; } .social-float__link:hover { transform: none; } }
@media print { .social-float { display: none; } }
.site-footer__grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
.site-footer h2 { color: #fff; font-family: var(--font-sans); margin-bottom: var(--space-md); }
.site-footer__col li + li { margin-top: 0.5rem; }
.site-footer__legal { display: flex; flex-direction: column; gap: var(--space-md); margin-top: var(--space-xl); padding-top: var(--space-lg); border-top: 1px solid #334155; font-size: 0.875rem; }
.site-footer__legal ul { display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-lg); }
@media (min-width: 640px) { .site-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1024px) {
  .site-footer__grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: var(--gutter); }
  .site-footer__legal { flex-direction: row; justify-content: space-between; align-items: center; }
}

/* Páginas placeholder (plantillas pendientes) */
.stub { padding-block: var(--space-2xl); max-width: 44rem; }
.stub h1 { font-size: var(--fs-headline-lg); line-height: var(--lh-headline-lg); margin-block: var(--space-md); }