:root {
  --cs-fondo: #0a0a0a;
  --cs-texto: #f4f4f4;
  --cs-suave: rgba(255, 255, 255, .56);
  --cs-tenue: rgba(255, 255, 255, .06);
  --cs-medio: rgba(255, 255, 255, .12);
  --cs-borde: rgba(255, 255, 255, .09);
  --cs-marca: rgba(255, 255, 255, .9);      
  --cs-marca-texto: #0a0a0a;
  --cs-curva: cubic-bezier(.22, 1, .36, 1);
}
:root[data-tema="claro"] {
  --cs-fondo: #eeeeee;
  --cs-texto: #0a0a0a;
  --cs-suave: rgba(0, 0, 0, .56);
  --cs-tenue: rgba(0, 0, 0, .04);
  --cs-medio: rgba(0, 0, 0, .08);
  --cs-borde: rgba(0, 0, 0, .09);
  --cs-marca: #0a0a0a;
  --cs-marca-texto: #f4f4f4;
}

* { box-sizing: border-box; }



.cs-seccion { height: 100%; display: grid; grid-template-columns: 380px 1fr; gap: clamp(30px, 6vw, 90px); align-items: start; padding: 70px clamp(16px, 6vw, 80px) 40px; max-width: 1280px; margin: 0 auto; }
.cs-antetitulo { margin: 0 0 12px; font-size: .8rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--cs-suave); }
.cs-titulo { margin: 0; font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 600; line-height: .98; letter-spacing: -.05em; }
.cs-intro { margin: 18px 0 28px; color: var(--cs-suave); line-height: 1.5; }

.cs-busca { display: flex; align-items: center; gap: 10px; height: 50px; padding: 0 8px 0 16px; border-radius: 14px; background: var(--cs-tenue); box-shadow: inset 0 0 0 1px var(--cs-borde); transition: box-shadow .3s; }
.cs-busca:focus-within { box-shadow: inset 0 0 0 1.5px var(--cs-texto); }
.cs-busca > svg { width: 18px; height: 18px; flex: none; fill: none; stroke: var(--cs-suave); stroke-width: 1.8; stroke-linecap: round; }
.cs-campo { flex: 1; min-width: 0; height: 100%; border: 0; background: none; color: var(--cs-texto); font: inherit; font-size: .98rem; outline: none; }
.cs-campo::placeholder { color: var(--cs-suave); }
.cs-campo::-webkit-search-cancel-button { display: none; }
.cs-limpia { width: 32px; height: 32px; padding: 10px; border: 0; border-radius: 50%; background: var(--cs-medio); color: var(--cs-texto); cursor: pointer; opacity: 0; transform: scale(.6); pointer-events: none; transition: opacity .2s, transform .35s var(--cs-curva); }
.cs-limpia svg { display: block; width: 12px; height: 12px; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.cs-busca.is-llena .cs-limpia { opacity: 1; transform: none; pointer-events: auto; }


.cs-temas { position: relative; display: flex; gap: 2px; margin-top: 14px; padding: 4px; border-radius: 14px; background: var(--cs-tenue); width: max-content; max-width: 100%; }
.cs-temas button { position: relative; z-index: 1; height: 36px; padding: 0 14px; border: 0; border-radius: 10px; cursor: pointer; background: none; color: var(--cs-suave); font: inherit; font-size: .88rem; font-weight: 500; transition: color .3s; }
.cs-temas button.is-activo { color: var(--cs-fondo); }
.cs-temas button:focus-visible { outline: 2px solid var(--cs-texto); outline-offset: 1px; }
.cs-temas-pildora { position: absolute; left: 0; top: 4px; height: 36px; border-radius: 10px; background: var(--cs-texto); transition: transform .5s var(--cs-curva), width .5s var(--cs-curva); }

.cs-contacto { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 30px; padding: 18px 20px; border-radius: 18px; background: var(--cs-tenue); box-shadow: inset 0 0 0 1px var(--cs-borde); color: var(--cs-suave); font-size: .9rem; text-decoration: none; transition: background-color .3s; }
.cs-contacto b { display: block; color: var(--cs-texto); font-weight: 600; font-size: 1rem; margin-bottom: 2px; }
.cs-contacto i { font-style: normal; font-size: 1.2rem; color: var(--cs-texto); transition: transform .4s var(--cs-curva); }
.cs-contacto:hover { background: var(--cs-medio); }
.cs-contacto:hover i { transform: translateX(4px); }
.cs-contacto:focus-visible { outline: 2px solid var(--cs-texto); outline-offset: 2px; }


.cs-lista { position: relative; padding-top: 4px; }
.cs-cuenta { margin: 0 0 10px; height: 1.2em; color: var(--cs-suave); font-size: .84rem; font-variant-numeric: tabular-nums; }
.cs-item { display: grid; grid-template-rows: 1fr; transition: grid-template-rows .5s var(--cs-curva), opacity .35s var(--cs-curva); }
.cs-item.is-oculto { grid-template-rows: 0fr; opacity: 0; }
.cs-dentro { position: relative; min-height: 0; overflow: hidden; border-radius: 18px; transition: background-color .4s var(--cs-curva); }

.cs-dentro::after { content: ""; position: absolute; left: 18px; right: 18px; bottom: 0; height: 1px; background: var(--cs-borde); transition: opacity .3s; }
.cs-item.is-abierto .cs-dentro { background: var(--cs-tenue); }
.cs-item.is-abierto .cs-dentro::after { opacity: 0; }
.cs-pregunta {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 18px; border: 0; background: none;
  color: var(--cs-texto); font: inherit; font-size: 1.12rem; font-weight: 500; letter-spacing: -.02em; text-align: left; cursor: pointer; border-radius: 18px;
}
.cs-pregunta:focus-visible { outline: 2px solid var(--cs-texto); outline-offset: -2px; }
.cs-pregunta mark, .cs-respuesta mark { background: var(--cs-marca); color: var(--cs-marca-texto); border-radius: 4px; padding: 0 2px; }

.cs-signo { position: relative; flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--cs-medio); transition: background-color .3s, transform .5s var(--cs-curva); }
.cs-signo::before, .cs-signo::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 1.8px; margin: -.9px 0 0 -6px; border-radius: 1px; background: currentColor; transition: transform .5s var(--cs-curva); }
.cs-signo::after { transform: rotate(90deg); }
.is-abierto .cs-signo { background: var(--cs-texto); color: var(--cs-fondo); transform: rotate(180deg); }
.is-abierto .cs-signo::after { transform: rotate(0deg); }
.cs-pregunta:hover .cs-signo { transform: scale(1.08); }
.is-abierto .cs-pregunta:hover .cs-signo { transform: rotate(180deg) scale(1.08); }

.cs-respuesta { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .5s var(--cs-curva); }
.cs-respuesta > div { min-height: 0; overflow: hidden; }
.cs-respuesta p { margin: 0; padding: 0 70px 22px 18px; color: var(--cs-suave); line-height: 1.55; opacity: 0; transform: translateY(-8px); transition: opacity .3s, transform .5s var(--cs-curva); }
.is-abierto .cs-respuesta { grid-template-rows: 1fr; }
.is-abierto .cs-respuesta p { opacity: 1; transform: none; transition-delay: .12s; }
.cs-vacio { margin: 0; padding: 30px 18px; color: var(--cs-suave); opacity: 0; transform: translateY(8px); transition: opacity .35s, transform .5s var(--cs-curva); pointer-events: none; }
.cs-lista.is-vacia .cs-vacio { opacity: 1; transform: none; }


@media (max-width: 860px) {

  .cs-seccion { height: auto; grid-template-columns: 1fr; padding: 36px 16px; gap: 28px; }
  .cs-contacto { display: none; }
  .cs-pregunta { font-size: 1rem; padding: 16px 14px; }
  .cs-respuesta p { padding: 0 20px 18px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .cs-item, .cs-respuesta, .cs-respuesta p, .cs-signo, .cs-signo::before, .cs-signo::after, .cs-temas-pildora, .cs-vacio { transition: none; }
}