/* La página pública comparte la identidad del nuevo espacio de práctica. */
:root{--v2-ink:#213d35;--v2-ink-deep:#142b2a;--v2-ink-soft:#28473d;--v2-sand:#d3ddca;--v2-sand-2:#a9bda5;--v2-paper:#f6f7f0;--v2-paper-2:#e8eddf;--v2-paper-3:#fff;--v2-line:#d3ddca;--v2-wine:#285f49;--v2-wine-l:#397b5f;--v2-sage:#4f805d;--v2-gold:#b49660;--wine:#285f49;--wine-dark:#1c4837;--paper:#f6f7f0;--paper-line:#d3ddca;--gold:#7f784c}
body.v2{font-family:var(--v2-ui)}
.v2-grain:after{display:none}.v2-hero{background:#142b2a}.v2-hero-scene{background:radial-gradient(ellipse at 85% 35%,#38654888,transparent 60%),linear-gradient(135deg,#142b2a,#203e32)}
.v2-hero-bg,.v2-hero-vig{opacity:.15}.v2-hero-rules{opacity:.25}
.v2-nav.solid{background:#142b2af5}.v2-h1{font-family:Georgia,serif;letter-spacing:-2px}.v2-h1 em{color:#d2dcb8}
.v2-lead{font-family:var(--v2-ui);font-size:clamp(15px,1.5vw,18px);line-height:1.85}
.v2-btn{border-radius:8px;letter-spacing:0;font-family:var(--v2-ui)}.v2-btn-buy{background:#e0e8bf;color:#213d35;border-color:#e0e8bf}.v2-btn-buy:hover{background:#f0f4d9;color:#142b2a}
.v2-demo-box{border-radius:16px;background:#fff;border:1px solid #d3ddca;padding:clamp(22px,4vw,44px)}
.demo-instruction{font:11px var(--v2-ui);color:#7a8976;margin:24px 0 14px}.v2 .q-prompt{font:clamp(22px,2.4vw,29px)/1.5 Georgia,serif;color:#254736}
.v2 .binary-options{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0}
.v2 .binary-options .opt{display:flex;align-items:center;justify-content:center;gap:12px;min-height:88px;border-radius:10px;border:1.5px solid #ccd8c6;font-size:17px;color:#345442;margin:0}
.v2 .binary-options .opt span{font-size:25px}.v2 .binary-options .opt:hover:not(:disabled){background:#f0f5e9;border-color:#648b5f}.v2 .binary-options .opt.correct{background:#e5f2e9;border-color:#307b60}.v2 .binary-options .opt.wrong{background:#fbeae7;border-color:#a53c37}
.v2 .feedback-box{background:#eef3e6;border-color:#7e9c68;border-radius:6px;padding:18px;line-height:1.8}.v2 .primary{background:#285f49;border-radius:7px}
.v2 button:focus-visible,.v2 a:focus-visible{outline:3px solid #bf924a;outline-offset:4px}
@media(max-width:600px){.v2-h1{letter-spacing:-1.2px}.v2 .binary-options{gap:10px}.v2 .binary-options .opt{padding:15px 8px;font-size:15px;gap:8px}}