:root{--opc-card-bg:#eef8fb;--opc-card-fg:#1f2937;--opc-glosario-bg:#f4f7fb;--opc-glosario-vocablo:#1f4e5f;--opc-resumen-bg:#f5f7f8;--opc-resumen-fg:#1f2937;--opc-ok:#117a37;--opc-bad:#b42318;--opc-border:#d6dee3}.opc-faq-flip{margin:1rem 0;perspective:1200px}.opc-faq-flip-toggle{position:relative;width:100%;min-height:150px;border:1px solid var(--opc-border);border-radius:14px;background:0 0;color:var(--opc-card-fg);cursor:pointer;transform-style:preserve-3d;transition:transform .55s ease;padding:0;text-align:left}.opc-faq-flip.is-flipped .opc-faq-flip-toggle{transform:rotateY(180deg)}.opc-faq-face{position:absolute;inset:0;padding:1rem 1.1rem;border-radius:14px;background:var(--opc-card-bg);backface-visibility:hidden;display:flex;flex-direction:column;gap:.5rem;justify-content:center}.opc-faq-back{transform:rotateY(180deg)}.opc-faq-label{display:inline-block;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;opacity:.75}.opc-faq-text{font-size:1rem;line-height:1.55}.opc-glosario-typing{margin:1rem 0;border:1px solid var(--opc-border);border-radius:14px;background:var(--opc-glosario-bg);padding:1rem 1.1rem;outline:none}.opc-glosario-typing:focus-visible{box-shadow:0 0 0 3px rgba(31,78,95,.18)}.opc-glosario-vocablo{margin:0;font-family:Georgia,times new roman,serif;font-weight:700;color:var(--opc-glosario-vocablo);font-size:1.15rem}.opc-glosario-definicion{margin:.65rem 0 0;min-height:1.6em;white-space:pre-wrap}.opc-glosario-definicion.is-typing::after{content:"|";display:inline-block;margin-left:2px;animation:opc-blink .8s steps(1,end)infinite}.opc-resumen-ejecutivo{margin:1rem 0;border:1px solid var(--opc-border);border-radius:14px;background:var(--opc-resumen-bg);color:var(--opc-resumen-fg);padding:1rem 1.1rem}.opc-resumen-titulo{margin:0;font-weight:700;color:#1f4e5f}.opc-resumen-lista{margin:.7rem 0 0}.opc-resumen-contenido>:first-child{margin-top:.7rem}.opc-resumen-contenido>:last-child{margin-bottom:0}.opc-tipo-test{margin:1rem 0;border:1px solid var(--opc-border);border-radius:14px;padding:1rem 1.1rem;background:#fff}.opc-test-tipo{margin:0;font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;color:#49606c;font-weight:700}.opc-test-pregunta{margin:.35rem 0 .8rem;font-weight:600}.opc-test-opciones{display:grid;gap:.6rem}.opc-test-opcion{display:flex;align-items:flex-start;gap:.55rem;width:100%;border:1px solid var(--opc-border);border-radius:10px;padding:.65rem .75rem;background:#fcfcfd;color:#1f2937;text-align:left;cursor:pointer}.opc-test-opcion:hover{border-color:#a9bac4}.opc-test-opcion.is-correct{border-color:var(--opc-ok);background:#e9f8ee;color:var(--opc-ok)}.opc-test-opcion.is-wrong{border-color:var(--opc-bad);background:#fff1f1;color:var(--opc-bad)}.opc-test-opcion-key{font-weight:700;min-width:1.5rem}.opc-test-feedback{margin-top:.8rem;border-radius:10px;padding:.65rem .75rem;background:#f7fafb;border:1px dashed #ccdae2}.opc-test-feedback.is-correct{color:var(--opc-ok);border-color:#9fd6b0;background:#f3fbf5}.opc-test-feedback.is-wrong{color:var(--opc-bad);border-color:#e5b2b2;background:#fff8f8}.opc-anuncio{margin:1rem 0;border:1px solid var(--opc-border);border-radius:14px;background:#fff;padding:.8rem}.opc-anuncio-titulo{margin:0 0 .55rem;font-size:.78rem;font-weight:700;color:#49606c;letter-spacing:.06em;text-transform:uppercase}.opc-anuncio-link{display:block;border-radius:10px;overflow:hidden}.opc-anuncio-img{display:block;width:100%;height:auto;border-radius:10px}.opc-anuncio-caption{margin:.55rem 0 0;font-size:.9rem;color:#5f6f7a}.opc-anuncio-error{margin:1rem 0;padding:.75rem;border:1px solid #e5b2b2;border-radius:10px;color:#8b1f1f;background:#fff8f8}.opc-cafe{margin:1rem 0;border:1px solid #ead8ae;border-radius:14px;background:#fff8e8;padding:1rem 1.1rem}.opc-cafe-titulo{margin:0;font-weight:700;color:#5e4200}.opc-cafe-texto{margin:.45rem 0 .8rem;color:#5f4b1f}.opc-cafe-btn{display:inline-block;border:1px solid #c99725;background:#f1b544;color:#3f2b02;font-weight:700;text-decoration:none;border-radius:999px;padding:.5rem .85rem}.opc-cafe-btn:hover{filter:brightness(.97);text-decoration:none}.opc-cafe-btn-disabled{opacity:.6;cursor:not-allowed}.opc-cafe-nota{margin:.6rem 0 0;font-size:.9rem;color:#6f5a2b}.opc-youtube{margin:1rem 0}.opc-youtube-frame{position:relative;width:100%;aspect-ratio:16/9;border:1px solid var(--opc-border);border-radius:14px;overflow:hidden;background:#000}.opc-youtube-frame iframe{display:block;width:100%;height:100%;border:0}.opc-youtube-error{margin:1rem 0;padding:.75rem;border:1px solid #e5b2b2;border-radius:10px;color:#8b1f1f;background:#fff8f8}@keyframes opc-blink{0%,49%{opacity:1}50%,100%{opacity:0}}@media(max-width:640px){.opc-faq-flip-toggle{min-height:170px}}