.rdv-group{--rdv-text:#1c1917;--rdv-text-2:#57534e;--rdv-text-3:#a8a29e;--rdv-accent:#c26747;--rdv-accent-bg:#fbede5;--rdv-cool:#6b5a8e;--rdv-cool-bg:#efebf5;--rdv-border:#e7e5e4;--rdv-bg:#fbf8f4;--rdv-surface:#fff;color:var(--rdv-text);background:var(--rdv-bg);max-width:720px;margin:0 auto;padding:3rem 1.5rem 4rem;font-family:Inter,-apple-system,system-ui,sans-serif;line-height:1.75}.rdv-group *,.rdv-group :before,.rdv-group :after{box-sizing:border-box}.rdv-header{margin-bottom:2.5rem}.rdv-header-label{letter-spacing:.12em;text-transform:uppercase;color:var(--rdv-accent);margin-bottom:.75rem;font-size:.75rem;font-weight:600}.rdv-group h1{color:var(--rdv-text);letter-spacing:-.02em;margin-bottom:.5rem;font-size:2.4rem;font-weight:700;line-height:1.15}.rdv-subtitle{color:var(--rdv-text-2);font-size:1.05rem;font-weight:400}.rdv-nav{border-bottom:1px solid var(--rdv-border);-webkit-overflow-scrolling:touch;gap:.25rem;margin-bottom:2.5rem;display:flex;overflow-x:auto}.rdv-nav button{color:var(--rdv-text-3);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-bottom:2px solid #0000;padding:.75rem 1rem;font-family:inherit;font-size:.875rem;font-weight:500;transition:color .15s,border-color .15s}.rdv-nav button:hover{color:var(--rdv-text-2)}.rdv-nav button.active{color:var(--rdv-accent);border-bottom-color:var(--rdv-accent);font-weight:600}.rdv-page-panel{display:none}.rdv-page-panel.active{animation:.25s rdvAppear;display:block}@keyframes rdvAppear{0%{opacity:0}to{opacity:1}}.rdv-group .section-label{letter-spacing:.1em;text-transform:uppercase;color:var(--rdv-text-3);margin-bottom:.5rem;font-size:.7rem;font-weight:600}.rdv-group .section-label.warm{color:var(--rdv-accent)}.rdv-group .section-label.cool{color:var(--rdv-cool)}.rdv-group h2{color:var(--rdv-text);letter-spacing:-.01em;margin-bottom:.75rem;font-size:1.35rem;font-weight:700}.rdv-group h3{color:var(--rdv-text);margin-bottom:.5rem;font-size:1.05rem;font-weight:600}.rdv-group .body-text{color:var(--rdv-text-2);font-size:.95rem;line-height:1.8}.rdv-group .body-text+.body-text{margin-top:.75rem}.rdv-group .body-text strong{color:var(--rdv-text);font-weight:600}.rdv-group .timing{color:var(--rdv-text-3);float:right;margin-top:.2rem;font-size:.75rem;font-weight:500}.rdv-group .divider{border:none;border-top:1px solid var(--rdv-border);margin:2.5rem 0}.rdv-group .callout{border-left:3px solid var(--rdv-border);background:var(--rdv-surface);margin:1.5rem 0;padding:1rem 1.25rem}.rdv-group .callout.warm{border-left-color:var(--rdv-accent);background:var(--rdv-accent-bg)}.rdv-group .callout.cool{border-left-color:var(--rdv-cool);background:var(--rdv-cool-bg)}.rdv-group .callout .callout-label{letter-spacing:.1em;text-transform:uppercase;color:var(--rdv-text-3);margin-bottom:.4rem;font-size:.7rem;font-weight:600}.rdv-group .callout.warm .callout-label{color:var(--rdv-accent)}.rdv-group .callout.cool .callout-label{color:var(--rdv-cool)}.rdv-group .callout p{color:var(--rdv-text-2);font-size:.9rem;line-height:1.7}.rdv-group .callout p strong{color:var(--rdv-text)}.rdv-group .callout p+p{margin-top:.5rem}.rdv-group .steps{margin:1.5rem 0}.rdv-group .step{border-bottom:1px solid var(--rdv-border);align-items:baseline;gap:1rem;padding:.75rem 0;display:flex}.rdv-group .step:last-child{border-bottom:none}.rdv-group .step-num{color:var(--rdv-text-3);text-align:right;flex-shrink:0;width:1.5rem;font-size:.8rem;font-weight:700}.rdv-group .step-content{flex:1}.rdv-group .step-q{color:var(--rdv-text);font-size:.95rem;font-weight:600}.rdv-group .step-hint{color:var(--rdv-text-3);margin-top:.15rem;font-size:.82rem;line-height:1.6}.rdv-group .frame-row{grid-template-columns:1fr;gap:.75rem;margin:1.25rem 0 1.5rem;display:grid}.rdv-group .frame-cell{border:1px solid var(--rdv-border);background:var(--rdv-surface);border-radius:8px;padding:1rem 1.25rem}.rdv-group .fc-letter{color:var(--rdv-accent);margin-bottom:.4rem;font-family:Newsreader,Georgia,serif;font-size:1.6rem;font-weight:700;line-height:1}.rdv-group .fc-name{color:var(--rdv-text);margin-bottom:.15rem;font-size:1.05rem;font-weight:700}.rdv-group .fc-brief{color:var(--rdv-text-3);margin-bottom:.5rem;font-size:.85rem;font-style:italic}.rdv-group .fc-detail{color:var(--rdv-text-2);font-size:.9rem;line-height:1.7}.rdv-group .rdv-grid{grid-template-columns:1fr;gap:.75rem;margin:1.5rem 0;display:grid}.rdv-group .rdv-card{border:1px solid var(--rdv-border);cursor:pointer;border-radius:8px;transition:border-color .15s;overflow:hidden}.rdv-group .rdv-card:hover,.rdv-group .rdv-card.active{border-color:var(--rdv-accent)}.rdv-group .rdv-card-header{background:var(--rdv-surface);align-items:center;gap:1rem;padding:1rem 1.25rem;display:flex}.rdv-group .rdv-card-num{color:var(--rdv-accent);text-align:center;flex-shrink:0;width:2rem;font-family:Newsreader,Georgia,serif;font-size:1.4rem;font-weight:700}.rdv-group .rdv-card-name{color:var(--rdv-text);font-size:.95rem;font-weight:600;line-height:1.4}.rdv-group .rdv-card-brief{color:var(--rdv-text-3);margin-top:.15rem;font-size:.8rem;font-style:italic}.rdv-group .rdv-card-detail{background:var(--rdv-bg);border-top:1px solid var(--rdv-border);padding:1.25rem;display:none}.rdv-group .rdv-card.active .rdv-card-detail{display:block}.rdv-group .rdv-card-detail p{color:var(--rdv-text-2);font-size:.9rem;line-height:1.75}.rdv-group .rdv-card-detail p+p{margin-top:.6rem}.rdv-group .rdv-card-detail p strong{color:var(--rdv-text);font-weight:600}.rdv-group .rdv-card-detail .aside{color:var(--rdv-text-3);border-left:2px solid var(--rdv-border);margin-top:.75rem;padding-left:1rem;font-size:.85rem;font-style:italic}.rdv-group .scenario-stack{margin:1.5rem 0}.rdv-group .scenario-card{border:1px solid var(--rdv-border);border-radius:8px;margin-bottom:.75rem;overflow:hidden}.rdv-group .scenario-body{background:var(--rdv-surface);padding:1.5rem 1.5rem 1.25rem}.rdv-group .scenario-tag{letter-spacing:.1em;text-transform:uppercase;border-radius:3px;margin-bottom:.75rem;padding:.2rem .5rem;font-size:.65rem;font-weight:600;display:inline-block}.rdv-group .scenario-tag.warm{color:var(--rdv-accent);background:var(--rdv-accent-bg)}.rdv-group .scenario-tag.cool{color:var(--rdv-cool);background:var(--rdv-cool-bg)}.rdv-group .scenario-text{color:var(--rdv-text);font-size:.97rem;line-height:1.8}.rdv-group .scenario-reveal{border-top:1px solid var(--rdv-border);background:var(--rdv-bg);padding:1.25rem;display:none}.rdv-group .scenario-reveal.show{display:block}.rdv-group .scenario-reveal p{color:var(--rdv-text-2);font-size:.9rem;line-height:1.75}.rdv-group .scenario-reveal p+p{margin-top:.6rem}.rdv-group .scenario-reveal p strong{color:var(--rdv-text)}.rdv-group .scenario-reveal .aside{color:var(--rdv-text-3);border-left:2px solid var(--rdv-border);margin-top:.75rem;padding-left:1rem;font-size:.85rem;font-style:italic}.rdv-group .reveal-btn-row{border-top:1px solid var(--rdv-border);text-align:center}.rdv-group .reveal-btn{cursor:pointer;background:var(--rdv-surface);width:100%;color:var(--rdv-text-3);border:none;padding:.9rem;font-family:inherit;font-size:.85rem;font-weight:600;transition:background .15s,color .15s}.rdv-group .reveal-btn:hover{background:var(--rdv-bg);color:var(--rdv-text-2)}.rdv-group .reveal-btn.revealed{color:var(--rdv-accent);background:var(--rdv-accent-bg);cursor:default}.rdv-group .questions{margin:1.5rem 0}.rdv-group .question{border-bottom:1px solid var(--rdv-border);padding:1rem 0}.rdv-group .question:last-child{border-bottom:none}.rdv-group .question-label{letter-spacing:.1em;text-transform:uppercase;color:var(--rdv-text-3);margin-bottom:.3rem;font-size:.7rem;font-weight:600}.rdv-group .question-text{color:var(--rdv-text);font-size:.95rem;font-weight:500;line-height:1.7}.rdv-group .options-grid{background:var(--rdv-border);border:1px solid var(--rdv-border);border-radius:8px;grid-template-columns:1fr 1fr;gap:1px;margin:1.5rem 0;display:grid;overflow:hidden}.rdv-group .option{background:var(--rdv-surface);cursor:pointer;padding:1.25rem;transition:background .15s}.rdv-group .option:hover{background:var(--rdv-bg)}.rdv-group .option.selected{background:var(--rdv-accent-bg)}.rdv-group .option-label{color:var(--rdv-text);margin-bottom:.2rem;font-size:.9rem;font-weight:600}.rdv-group .option-desc{color:var(--rdv-text-3);font-size:.8rem;line-height:1.5}.rdv-group .page-nav{border-top:1px solid var(--rdv-border);justify-content:space-between;align-items:center;margin-top:3rem;padding-top:1.5rem;display:flex}.rdv-group .page-nav button{color:var(--rdv-accent);cursor:pointer;background:0 0;border:none;padding:.5rem 0;font-family:inherit;font-size:.9rem;font-weight:500;transition:opacity .15s}.rdv-group .page-nav button:hover{opacity:.7}.rdv-group .page-nav .ghost{visibility:hidden}.rdv-footer{border-top:1px solid var(--rdv-border);text-align:center;color:var(--rdv-text-3);margin-top:3rem;padding-top:1.5rem;font-size:.8rem;line-height:1.8}.rdv-footer strong{color:var(--rdv-text-2);font-weight:600}@media (width<=600px){.rdv-group{padding:2rem 1.25rem 3rem}.rdv-group h1{font-size:1.8rem}.rdv-group .options-grid{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.rdv-page-panel{animation:none!important}}