/* lecturas.css — bloque «Para leer» (portada, sectores y /demo). Equipo AA, 23-oct-2026.
   Colores propios: panel de cristal oscuro, igual en cualquier tema de sector. Texto >= 18 px en títulos, contraste AA sobre #0a0d16. */
.lec { background: radial-gradient(40rem 16rem at 90% 0%, rgba(79, 123, 255, .28), transparent 70%), linear-gradient(180deg, #121a2e, #0a0d16) #0a0d16; color: #eef1fa; padding: clamp(36px, 6vw, 64px) 0; font-family: inherit; }
.lec-ancho { max-width: 72rem; margin: 0 auto; padding: 0 clamp(18px, 5vw, 40px); }
.lec-cab { display: flex; justify-content: space-between; align-items: end; flex-wrap: wrap; gap: 12px 28px; margin-bottom: 22px; }
.lec h2 { margin: 0; color: #fff; font-size: clamp(1.6rem, 4.4vw, 2.2rem); line-height: 1.15; }
.lec-intro { margin: 8px 0 0; color: #c3cadf; font-size: 1.125rem; line-height: 1.55; max-width: 44rem; }
.lec-cab > p { margin: 0; }
.lec a { color: #9ebaff; font-weight: 700; text-underline-offset: .2em; }
.lec a:focus-visible { outline: 3px solid #fff; outline-offset: 3px; border-radius: 4px; }
.lec-lista { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.lec-card { position: relative; display: flex; gap: 16px; align-items: center; padding: 14px; border: 1px solid rgba(143, 176, 255, .25); border-radius: 18px; background: rgba(255, 255, 255, .04); transition: transform .2s ease, border-color .2s ease; }
.lec-card:hover { transform: translateY(-3px); border-color: #9ebaff; }
.lec-card img { width: 84px; height: 84px; flex: none; object-fit: cover; border-radius: 12px; background: #0a0d16; }
.lec-cat { margin: 0 0 4px; font-size: 1rem; color: #c3cadf; line-height: 1.4; }
.lec-card h3 { margin: 0; font-size: 1.125rem; line-height: 1.3; font-weight: 700; }
.lec-card h3 a { color: #fff; text-decoration: none; }
.lec-card h3 a::after { content: ""; position: absolute; inset: 0; border-radius: 18px; }
.lec-card:hover h3 a { text-decoration: underline; }
.lec-card:focus-within { outline: 3px solid #fff; outline-offset: 3px; }
.lec-card h3 a:focus-visible { outline: none; }
@media (max-width: 62rem) { .lec-lista { grid-template-columns: minmax(0, 1fr); } }
@media (prefers-reduced-motion: reduce) { .lec-card { transition: none; } .lec-card:hover { transform: none; } }