.video-section{background:var(--bg-surface);padding:2.5rem 0 3rem;position:relative}.video-wrap{max-width:42rem;margin:0 auto;padding:0 1.5rem;position:relative;min-height:420px}.v-meter{margin-bottom:1.5rem;padding-right:120px}.v-meter-label{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-secondary);display:block;margin-bottom:.4rem}.v-meter-row{display:flex;align-items:center;gap:1rem}.v-meter-track{flex:1;height:10px;background:var(--bg-panel);border-radius:5px;overflow:hidden}.v-meter-fill{height:100%;background:var(--accent-success);border-radius:5px;transition:width 1.2s ease,background-color .8s ease}.v-meter-value{font-family:var(--font-mono);font-size:1.75rem;font-weight:700;color:var(--accent-success);transition:color .8s ease;min-width:3rem;text-align:left;line-height:1;flex-shrink:0}.v-meter-rating{font-size:.7rem;font-weight:600;color:var(--accent-success);transition:color .8s ease;display:block;margin-top:.3rem}.v-chat{height:300px;overflow-y:auto;display:flex;flex-direction:column;gap:.75rem}.v-bubble{max-width:88%;padding:.85rem 1.1rem;border-radius:10px;font-size:.9rem;line-height:1.6;opacity:0;transform:translateY(6px);transition:opacity .3s ease,transform .3s ease}.v-bubble.v-visible{opacity:1;transform:translateY(0)}.v-bubble.v-faded{opacity:.35;transform:scale(.97);transition:opacity .6s ease,transform .6s ease;max-height:3rem;overflow:hidden}.v-bubble-user{background:var(--bg-elevated);color:var(--text-primary);margin-left:auto;border-bottom-right-radius:3px}.v-bubble-ai{background:var(--bg-panel);border:1px solid var(--bg-card-border);color:var(--text-primary);margin-right:auto;border-bottom-left-radius:3px}.v-bubble-role{font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;margin-bottom:.3rem;color:var(--text-secondary)}.v-annotation{margin-top:1rem;font-size:.85rem;font-style:italic;color:var(--accent-primary);min-height:1.5rem;transition:opacity .4s ease}.v-overlay-play{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:color-mix(in srgb,var(--bg-primary) 70%,transparent);z-index:2;border-radius:8px}.v-overlay-play.v-hidden{display:none}.v-play-btn{display:flex;align-items:center;gap:.75rem;padding:1rem 2.5rem;font-size:1.15rem;font-weight:600;color:var(--bg-primary);background:var(--color-gold);border:none;border-radius:8px;cursor:pointer;transition:background .2s,transform .2s}.v-play-btn:hover{background:color-mix(in srgb,var(--accent-primary) 85%,var(--bg-primary));transform:translateY(-1px)}.v-play-btn svg{width:1.25rem;height:1.25rem}.v-play-sub{margin-top:.75rem;font-size:.85rem;color:var(--text-secondary)}.v-pause-btn{position:absolute;top:0;right:1.5rem;padding:8px 16px;font-size:14px;font-family:var(--font-body);font-weight:600;background:color-mix(in srgb,var(--text-primary) 15%,transparent);border:none;border-radius:8px;color:var(--text-primary);cursor:pointer;z-index:3;transition:background .2s;white-space:nowrap}.v-pause-btn:hover{background:color-mix(in srgb,var(--text-primary) 25%,transparent)}.v-overlay-final{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:color-mix(in srgb,var(--bg-primary) 92%,transparent);z-index:4;border-radius:8px;text-align:center;padding:2rem;animation:vFadeIn .8s ease}.v-overlay-final[hidden]{display:none}.v-final-text{font-family:var(--font-display);font-size:1.75rem;color:var(--text-heading);line-height:1.4;margin-bottom:2rem}.v-final-actions{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center}.v-btn{padding:.65rem 1.5rem;font-size:.95rem;font-weight:600;border-radius:6px;cursor:pointer;text-decoration:none;transition:background .2s,color .2s;border:2px solid var(--color-gold);background:var(--color-gold);color:var(--bg-primary)}.v-btn:hover{background:color-mix(in srgb,var(--accent-primary) 85%,var(--bg-primary));border-color:var(--accent-primary)}.v-btn-outline{background:transparent;color:var(--color-gold)}.v-btn-outline:hover{background:var(--color-gold);color:var(--bg-primary)}@keyframes vFadeIn{0%{opacity:0}to{opacity:1}}@keyframes vPulse{0%,to{opacity:1}50%{opacity:.6}}.walkthrough-divider{padding:4rem 0 3rem;border-bottom:1px solid var(--bg-card-border)}.divider-sub{font-size:1.05rem;color:var(--color-text-muted);line-height:1.6;max-width:32rem;margin:0 auto}.sim-wrap{max-width:48rem;margin:0 auto;padding:2rem 1.5rem 5rem}.sim-divider{border:none;border-top:1px solid var(--bg-card-border);margin:0}.sim-links{padding:2.5rem 0}.sim-links h2{font-family:var(--font-display);font-size:1.5rem;color:var(--color-slate);margin-bottom:1.25rem}.sim-nav-link{display:block;padding:.75rem 0;font-size:1.125rem;color:var(--color-navy);text-decoration:none;font-weight:500;transition:color .2s}.sim-nav-link:hover{color:var(--color-gold)}.health-meter{margin-top:.5rem;padding:1.25rem 1.5rem;background:var(--bg-surface);border:1px solid var(--bg-card-border);border-radius:8px}.health-header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:.5rem}.health-label{font-size:.85rem;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em}.health-value{font-family:var(--font-mono);font-size:2rem;font-weight:700;color:var(--accent-success);transition:color .6s ease;line-height:1}.health-track{height:12px;background:var(--bg-card-border);border-radius:6px;overflow:hidden}.health-fill{height:100%;background:var(--accent-success);border-radius:6px;transition:width .8s ease,background-color .6s ease}.health-rating{display:inline-block;margin-top:.5rem;font-size:.8rem;font-weight:600;color:var(--accent-success);transition:color .6s ease}.chat-window{margin-top:1rem;height:500px;overflow-y:auto;scroll-behavior:smooth;padding-right:.25rem;border:1px solid var(--bg-card-border);border-radius:8px;padding:1rem;background:var(--color-bg-alt)}.chat-turn{margin-bottom:1.25rem;animation:fadeIn .4s ease}.chat-turn[data-turn="0"]{animation:none}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.turn-highlight{animation:turnPulse 1.2s ease}@keyframes turnPulse{0%{box-shadow:0 0 color-mix(in srgb,var(--accent-primary) 30%,transparent)}40%{box-shadow:0 0 0 4px color-mix(in srgb,var(--accent-primary) 20%,transparent)}to{box-shadow:0 0 0 0 transparent}}.chat-bubble{max-width:85%;padding:1rem 1.25rem;border-radius:12px;margin-bottom:.75rem;line-height:1.7}.chat-bubble p{font-size:.95rem;margin-bottom:.6rem;color:var(--color-text)}.chat-bubble p:last-child{margin-bottom:0}.chat-user{background:color-mix(in srgb,var(--accent-secondary) 8%,transparent);border:1px solid color-mix(in srgb,var(--accent-secondary) 25%,transparent);margin-left:auto}.chat-ai{background:var(--bg-surface);border:1px solid var(--bg-card-border);margin-right:auto}.chat-role{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin-bottom:.4rem}.chat-user .chat-role{color:var(--accent-secondary)}.chat-ai .chat-role{color:var(--text-secondary)}.annotation{margin-top:1.25rem;padding:1rem 1.25rem;background:color-mix(in srgb,var(--accent-primary) 4%,transparent);border:1px solid color-mix(in srgb,var(--accent-primary) 20%,transparent);border-left:3px solid var(--accent-primary);border-radius:0 8px 8px 0;transition:opacity .3s ease}.annotation-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--accent-primary);margin-bottom:.35rem}.annotation p{font-size:.95rem;line-height:1.6;color:var(--text-primary);margin:0}.sticky-nav{position:fixed;bottom:0;left:0;right:0;z-index:90;display:flex;align-items:center;justify-content:space-between;padding:.75rem 1.5rem;background:color-mix(in srgb,var(--bg-primary) 95%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--bg-card-border);box-shadow:0 -4px 20px color-mix(in srgb,var(--bg-primary) 25%,transparent)}.sticky-counter{font-size:.85rem;font-weight:500;color:var(--color-text-muted)}.sticky-btn{padding:.6rem 1.4rem;font-size:.9rem;font-weight:700;color:var(--bg-primary);background:var(--accent-primary);border:2px solid var(--accent-primary);border-radius:6px;cursor:pointer;transition:background .2s,box-shadow .2s;white-space:nowrap}.sticky-btn:hover{background:color-mix(in srgb,var(--accent-primary) 85%,var(--bg-primary));border-color:var(--accent-primary);box-shadow:0 0 16px color-mix(in srgb,var(--accent-primary) 30%,transparent)}.demo-btn{padding:.65rem 1.5rem;font-size:.95rem;font-weight:700;background:transparent;color:var(--accent-secondary);border:2px solid var(--accent-secondary);border-radius:6px;cursor:pointer;transition:background .2s,color .2s}.demo-btn:hover{background:var(--accent-secondary);color:var(--text-heading)}.explain-panel{margin-top:1rem;padding:1.25rem 1.5rem;background:color-mix(in srgb,var(--accent-primary) 6%,transparent);border:1px solid color-mix(in srgb,var(--accent-primary) 25%,transparent);border-left:4px solid var(--accent-primary);border-radius:0 8px 8px 0;animation:fadeIn .4s ease}.explain-heading{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--accent-primary);margin-bottom:.75rem}.explain-section{margin-bottom:.85rem}.explain-section:last-of-type{margin-bottom:1rem}.explain-label{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--accent-primary);margin-bottom:.2rem}.explain-text{font-size:.92rem;line-height:1.6;color:var(--text-primary);margin:0}.explain-section:last-child{margin-bottom:0}.demo-summary{margin-top:2rem;padding:2rem;background:var(--bg-surface);border:1px solid var(--bg-card-border);border-radius:10px;animation:fadeIn .5s ease}.demo-summary h2{font-family:var(--font-display);font-size:1.5rem;color:var(--color-slate);margin-bottom:1rem}.demo-summary p{font-size:1.05rem;line-height:1.7;color:var(--color-text);margin-bottom:1rem}.demo-summary p:last-of-type{margin-bottom:1.5rem}.score-green{color:var(--accent-success);font-weight:600}.score-red{color:var(--accent-danger);font-weight:600}.summary-actions{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.summary-cta{padding:.65rem 1.5rem;font-size:.95rem;font-weight:700;color:var(--bg-primary);background:var(--accent-primary);border-radius:6px;text-decoration:none;transition:background .2s,box-shadow .2s}.summary-cta:hover{background:color-mix(in srgb,var(--accent-primary) 85%,var(--bg-primary));box-shadow:0 0 16px color-mix(in srgb,var(--accent-primary) 30%,transparent)}@media(max-width:768px){.video-wrap{min-height:360px}.v-meter{padding-right:100px}.v-meter-value{font-size:1.25rem;min-width:2.5rem}.v-pause-btn{padding:6px 12px;font-size:12px;right:1.5rem}.v-bubble{max-width:96%;font-size:.85rem}.v-final-text{font-size:1.3rem}.v-play-btn{padding:.85rem 2rem;font-size:1rem}.v-final-actions{flex-direction:column}.chat-bubble{max-width:95%}.chat-window{height:400px}.health-value{font-size:1.5rem}.summary-actions{flex-direction:column;align-items:stretch;text-align:center}}