/* ==========================================================
   Aviso de bienvenida · una publicación al entrar a index.html
   (se carga después de styles.css; el comportamiento está en js/aviso.js)
   ========================================================== */
.aviso{width:min(860px,calc(100vw - 32px));max-height:calc(100vh - 32px);max-height:calc(100dvh - 32px);margin:auto;padding:0;border:0;border-radius:var(--r);
  background:var(--bg-base);color:var(--text);box-shadow:0 24px 80px rgba(7,21,26,.55);overflow:hidden}
.aviso::backdrop{background:rgba(7,21,26,.62);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.aviso[open]{animation:aviso-in .4s cubic-bezier(.23,1,.32,1)}
.aviso[open]::backdrop{animation:aviso-fondo .4s ease}
.aviso.is-saliendo{animation:aviso-out .26s ease forwards}
.aviso.is-saliendo::backdrop{animation:aviso-fondo-out .26s ease forwards}
@keyframes aviso-in{from{opacity:0;transform:translateY(16px) scale(.97)}to{opacity:1;transform:none}}
@keyframes aviso-out{to{opacity:0;transform:translateY(8px) scale(.98)}}
@keyframes aviso-fondo{from{opacity:0}to{opacity:1}}
@keyframes aviso-fondo-out{to{opacity:0}}

.aviso-card{display:grid;grid-template-columns:minmax(0,1fr);max-height:calc(100vh - 32px);max-height:calc(100dvh - 32px);overflow:auto}
.aviso-media{display:grid;place-items:center;padding:var(--sp-s);background:rgba(13,34,41,.08)}
.aviso-media img{display:block;width:auto;height:min(42vh,380px);height:min(42dvh,380px);aspect-ratio:4/5;object-fit:cover;border-radius:12px;box-shadow:0 6px 24px rgba(13,34,41,.25)}
.aviso-body{display:flex;flex-direction:column;align-items:flex-start;gap:12px;padding:var(--sp-m)}
.aviso-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.aviso h2{margin:0;font:600 22px/28px var(--font);letter-spacing:-.01em;text-wrap:balance}
.aviso-body p{margin:0;color:var(--text-em)}
.aviso-body .btn{margin-top:4px;padding:10px 22px}
.aviso-nota{font-size:12px;line-height:16px;color:var(--text-em)}
.aviso-nota b{font-variant-numeric:tabular-nums}

/* cerrar (esquina superior derecha, fijo aunque el contenido se desplace) */
.aviso-x{position:absolute;top:12px;right:12px;z-index:2;display:grid;place-items:center;width:44px;height:44px;padding:0;border:1px solid var(--glass-border);border-radius:50%;
  background:var(--bg-base);color:var(--text);cursor:pointer;box-shadow:0 2px 12px rgba(7,21,26,.3);transition:background .15s,color .15s,transform .15s}
.aviso-x svg{width:18px;height:18px}
.aviso-x:hover{background:var(--orange);color:var(--navy);transform:scale(1.06)}
.aviso :focus-visible{outline:3px solid var(--orange);outline-offset:2px}
.aviso-card:focus{outline:none}

/* barra que se vacía durante los segundos que dura el aviso */
.aviso-barra{position:absolute;left:0;right:0;bottom:0;z-index:2;height:5px;background:var(--orange);transform-origin:left;animation:aviso-barra var(--aviso-dur,15s) linear forwards}
@keyframes aviso-barra{from{transform:scaleX(1)}to{transform:scaleX(0)}}

@media only screen and (min-width:720px){
  .aviso-card{grid-template-columns:auto minmax(0,1fr)}
  .aviso-media{padding:var(--sp-m)}
  .aviso-media img{height:min(74vh,540px);height:min(74dvh,540px)}
  .aviso-body{justify-content:center;gap:14px;padding:var(--sp-l) var(--sp-l) var(--sp-l) var(--sp-s)}
  .aviso h2{font-size:26px;line-height:32px}
}
@media (prefers-reduced-motion:reduce){
  .aviso[open],.aviso[open]::backdrop,.aviso.is-saliendo,.aviso.is-saliendo::backdrop{animation:none}
  .aviso-barra{animation:none;display:none}
  .aviso-x{transition:none}
}