.ivI3Ta_atlas{color:var(--text-body);text-align:left;min-height:calc(100svh - var(--atlas-top-height) - 20px);background:#fff;border-radius:0;padding:14px clamp(18px,2.4vw,40px) 12px}.ivI3Ta_mobileTimelineLink{display:none}.ivI3Ta_atlas a{text-decoration:none}.ivI3Ta_atlas :is(a,button):focus-visible{outline:2px solid var(--text-heading);outline-offset:4px}.ivI3Ta_atlas h1:focus{outline:none}.ivI3Ta_canvas{max-width:1600px;height:calc(100svh - var(--atlas-top-height) - 90px - var(--atlas-notes-space,0px));isolation:isolate;grid-template-rows:clamp(62px,16%,125px) clamp(134px,34%,230px) minmax(0,1fr);margin:auto;display:grid;position:relative;container-type:size}.ivI3Ta_heading{justify-content:space-between;align-items:center;display:flex;position:relative}.ivI3Ta_heading>div{z-index:1;position:relative}.ivI3Ta_heading h1{z-index:1;font-size:var(--font-page);letter-spacing:-1px;margin:0 0 5px;font-weight:500;line-height:1.15;position:absolute;inset:0 0 auto}.ivI3Ta_heading p{font-size:var(--font-body);color:var(--text-secondary);margin:0;line-height:1.5}.ivI3Ta_heading>svg{pointer-events:none;align-self:end;width:43%;height:100%;margin-left:auto}.ivI3Ta_heading .ivI3Ta_hint{border:1px solid var(--palette-blue-30);font-size:var(--font-caption);color:var(--text-secondary);background:#fff;border-radius:20px;padding:4px 10px;position:absolute;bottom:-2px;right:11%}.ivI3Ta_timeline{grid-template-columns:repeat(7,minmax(0,1fr));align-items:start;padding-top:9px;display:grid;position:relative}.ivI3Ta_timeline:before{content:"";background:var(--palette-orange-25);visibility:hidden;height:1.5px;position:absolute;top:calc(clamp(42px,9cqh,75px) + 26px);left:4%;right:4%}.ivI3Ta_canvas[data-history-entrance=reduced] .ivI3Ta_timeline:before{visibility:visible}.ivI3Ta_timeline button[data-era-reached=false]{visibility:hidden}.ivI3Ta_feature{opacity:var(--information-reveal,0)}.ivI3Ta_canvas[data-history-information=hidden] .ivI3Ta_feature{visibility:hidden}.ivI3Ta_canvas[data-history-entrance=reduced]{--information-reveal:1!important}.ivI3Ta_canvas[data-history-entrance=reduced] .ivI3Ta_timeline button{--dot-reveal:1!important;--dot-scale:1!important;--icon-reveal:1!important;--icon-scale:1!important;--year-reveal:1!important;--title-reveal:1!important}.ivI3Ta_timeline button{color:var(--text-navigation);background:0 0;border-radius:14px;flex-direction:column;align-items:center;min-width:0;padding:0 8px;display:flex;position:relative}.ivI3Ta_timelineAnimation{pointer-events:none;z-index:2;width:100%;height:100%;position:absolute;inset:0;overflow:visible}.ivI3Ta_timelineAnimation[data-timeline-phase=reduced]{display:none}.ivI3Ta_timelineLight,.ivI3Ta_timelineGlow{fill:none;stroke-linecap:round}.ivI3Ta_timelineLight{stroke-width:1.5px}.ivI3Ta_timelineGlow{stroke-width:7px}.ivI3Ta_eraSymbol{width:clamp(42px,9cqh,75px);height:clamp(42px,9cqh,75px);opacity:var(--icon-reveal,0);transform:scale(var(--icon-scale,.88));background:0 0;place-items:center;display:grid}.ivI3Ta_eraSymbol>svg{width:86%;height:86%}.ivI3Ta_timeline button:hover .ivI3Ta_eraSymbol{transform:translateY(-3px) scale(var(--icon-scale,1))}.ivI3Ta_eraDot{background:var(--palette-orange);width:20px;height:20px;opacity:var(--dot-reveal,0);transform:scale(var(--dot-scale,1));border:3px solid #fff;border-radius:50%;margin:6px 0 9px;position:relative}.ivI3Ta_timeline button[aria-pressed=true] .ivI3Ta_eraDot{outline:1.5px solid var(--text-heading)}.ivI3Ta_timeline button[aria-pressed=true] .ivI3Ta_eraSymbol{filter:drop-shadow(0 2px 2px var(--atlas-tint-30))}.ivI3Ta_timeline strong{font-size:var(--font-section);color:var(--text-heading);opacity:var(--year-reveal,0);line-height:1.4}.ivI3Ta_eraName{font-size:var(--font-body);text-wrap:balance;max-width:145px;min-height:2.8em;opacity:var(--title-reveal,0);margin:3px 0 0;line-height:1.4}.ivI3Ta_feature{min-height:0;padding-top:clamp(24px,4cqh,32px);position:relative}.ivI3Ta_featureContent{grid-template-rows:auto minmax(0,1fr);grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:8px clamp(24px,6%,96px);height:100%;min-height:0;display:grid}.ivI3Ta_featureContent[data-story-side=right] .ivI3Ta_story,.ivI3Ta_featureContent[data-story-side=right] .ivI3Ta_scene{grid-column:2}.ivI3Ta_featureContent[data-detail-visible=false]{visibility:hidden}.ivI3Ta_featureContent[data-story-side=right] .ivI3Ta_branchArea{grid-column:1}.ivI3Ta_scene{grid-area:2/1;place-self:end center;align-items:flex-end;width:58%;max-width:290px;height:100%;min-height:0;max-height:100%;margin:0;display:flex}.ivI3Ta_scene>div{flex-direction:column;justify-content:flex-end;align-items:center;width:100%;height:100%;min-height:0;max-height:100%;display:flex;position:relative}.ivI3Ta_scene>div>svg{width:100%;height:100%;min-height:0;max-height:100%;display:block}.ivI3Ta_scene [data-history-art=independence]>svg:first-child{height:82%}.ivI3Ta_scene [data-history-art=independence]>svg:last-child{height:18%;margin-top:-5px}.ivI3Ta_story{grid-area:1/1;min-width:0;padding:0}.ivI3Ta_story .ivI3Ta_year{letter-spacing:5px;color:var(--text-caption);font-size:var(--font-caption);margin:0 0 7px;font-weight:500}.ivI3Ta_story h2{font-size:var(--font-page);font-family:var(--font-family);margin:0 0 10px;font-weight:500;line-height:1.25}.ivI3Ta_story p{font-size:var(--font-body);color:var(--text-secondary);margin:0 0 8px;line-height:1.65}.ivI3Ta_explore{color:var(--text-heading);background:var(--palette-yellow-25);border:1px solid var(--palette-orange-30);min-height:36px;font-size:var(--font-caption);border-radius:30px;align-items:center;gap:10px;margin-top:7px;padding:8px 13px;display:inline-flex}.ivI3Ta_explore:hover{background:var(--palette-orange-25)}.ivI3Ta_source{color:var(--text-caption);font-size:var(--font-caption);align-items:center;gap:3px;margin-top:9px;line-height:1.5;display:flex}.ivI3Ta_source:hover{text-underline-offset:3px;text-decoration:underline}.ivI3Ta_branchArea{grid-area:1/2/-1;gap:10px;min-width:0;min-height:0;display:grid}.ivI3Ta_branchArea h3{font-size:var(--font-caption);color:var(--text-heading);margin:0;font-weight:500}.ivI3Ta_branches{border-bottom:1px solid var(--palette-teal-30);flex-wrap:wrap;align-items:center;gap:4px 18px;padding-bottom:8px;display:flex}.ivI3Ta_branches a{color:var(--text-secondary);font-size:var(--font-caption);background:#fff;align-items:center;gap:7px;width:fit-content;min-height:24px;padding:4px 0;line-height:1.4;display:flex}.ivI3Ta_branches a>svg{flex-shrink:0}.ivI3Ta_branches a:hover{text-underline-offset:3px;text-decoration:underline}.ivI3Ta_milestones{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:12px;min-height:0;display:grid}.ivI3Ta_milestones a{text-align:left;min-width:0;color:var(--text-heading);border-radius:12px;grid-template-columns:38px minmax(0,1fr) 14px;align-items:start;gap:8px;display:grid}.ivI3Ta_milestoneSymbol{background:0 0;place-items:center;width:38px;height:38px;transition:transform .2s;display:grid}.ivI3Ta_milestoneSymbol svg{width:88%;height:88%}.ivI3Ta_milestones a:hover .ivI3Ta_milestoneSymbol{transform:translateY(-3px)}.ivI3Ta_date{font-size:var(--font-caption);color:var(--text-caption);margin-bottom:4px;font-weight:500;line-height:1.4;display:block}.ivI3Ta_milestones strong{font-size:var(--font-body);text-wrap:balance;line-height:1.4;display:block}.ivI3Ta_summary{color:var(--text-secondary);font-size:var(--font-caption);margin-top:5px;line-height:1.5;display:block}.ivI3Ta_milestoneArrow{margin-top:13px}.ivI3Ta_footer{max-width:1600px;font-size:var(--font-caption);color:var(--text-caption);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px 16px;margin:9px auto 0;line-height:1.5;display:flex}.ivI3Ta_footer a{color:var(--text-navigation);align-items:center;gap:8px;min-height:28px;padding:3px 6px;display:flex}.ivI3Ta_footer a:hover{text-underline-offset:4px;text-decoration:underline}.ivI3Ta_contentHeader{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;max-width:1160px;margin:5px auto 0;display:flex}.ivI3Ta_contentHeader button{background:var(--palette-blue-15);min-height:40px;color:var(--text-navigation);font-size:var(--font-caption);border-radius:22px;align-items:center;gap:8px;padding:7px 13px;display:inline-flex}.ivI3Ta_contentHeader h1{font-size:var(--font-page);margin:0}@media (min-width:761px) and (max-height:760px){.ivI3Ta_canvas{grid-template-rows:65px 145px minmax(0,1fr)}.ivI3Ta_summary{display:none}.ivI3Ta_story p{font-size:var(--font-caption);line-height:1.5}.ivI3Ta_story h2{font-size:var(--font-page);margin-bottom:7px}}@media (min-width:761px) and (max-width:1100px){.ivI3Ta_atlas{padding-left:18px;padding-right:18px}.ivI3Ta_featureContent{column-gap:32px}.ivI3Ta_timeline button{padding:0 3px}.ivI3Ta_eraName{font-size:var(--font-caption)}.ivI3Ta_branches{gap:0 6px}.ivI3Ta_branches a{font-size:var(--font-caption)}.ivI3Ta_milestones{gap:6px}.ivI3Ta_milestones strong{font-size:var(--font-caption)}.ivI3Ta_footer>span:first-child{max-width:38%}}@media (min-width:761px) and (max-width:1100px) and (max-height:760px){.ivI3Ta_canvas{grid-template-rows:55px 145px minmax(0,1fr)}.ivI3Ta_story p{margin-bottom:4px}.ivI3Ta_story h2{margin-bottom:5px}.ivI3Ta_explore,.ivI3Ta_source{margin-top:3px}.ivI3Ta_story .exam-source-pair{align-items:center}.ivI3Ta_story p{font-size:var(--font-caption)}.ivI3Ta_story h2{font-size:var(--font-section)}}@media (max-width:760px){.ivI3Ta_atlas{padding:20px 16px 18px}.ivI3Ta_canvas{grid-template-rows:auto minmax(0,1fr);grid-template-columns:minmax(0,.42fr) minmax(0,.58fr);gap:14px 12px;height:auto;display:grid;container-type:normal}.ivI3Ta_heading{grid-column:1/-1;min-height:115px}.ivI3Ta_heading h1{font-size:var(--font-page);max-width:270px}.ivI3Ta_heading p{font-size:var(--font-body);max-width:230px}.ivI3Ta_heading>svg{z-index:-1;width:60%;height:80px;position:absolute;bottom:-7px;right:-10px}.ivI3Ta_heading .ivI3Ta_hint{font-size:var(--font-caption);max-width:none;bottom:-17px;left:0;right:auto}.ivI3Ta_timeline{flex-direction:column;grid-area:2/1;align-self:start;gap:0;min-width:0;padding-top:0;display:flex}.ivI3Ta_timeline:before{visibility:visible;background:var(--palette-blue);width:2px;height:auto;display:block;inset:15px auto 15px 10px}.ivI3Ta_timeline button{text-align:left;grid-template-rows:auto auto auto;grid-template-columns:22px minmax(0,1fr);align-items:start;column-gap:8px;min-height:116px;padding:8px 0;display:grid}.ivI3Ta_eraSymbol{grid-area:1/2;justify-self:start;width:48px;height:48px}.ivI3Ta_eraDot{grid-area:1/1;justify-self:center;width:17px;height:17px;margin:16px 0 0}.ivI3Ta_timeline strong{font-size:var(--font-caption);grid-area:2/2;line-height:1.25}.ivI3Ta_eraName{font-size:var(--font-caption);grid-area:3/2;max-width:none;min-height:0;margin-top:4px;line-height:1.25}.ivI3Ta_timelineAnimation{opacity:0;display:block}.ivI3Ta_featureContent{flex-direction:column;grid-area:2/2;gap:16px;height:auto;display:flex}.ivI3Ta_feature{grid-area:2/2;min-width:0;padding-top:0}.ivI3Ta_scene{order:1;align-self:center;width:100%;max-width:360px;height:210px;min-height:210px}.ivI3Ta_story{order:0;width:100%;padding:0}.ivI3Ta_story h2{font-size:var(--font-page)}.ivI3Ta_story p{font-size:var(--font-body)}.ivI3Ta_explore{min-height:44px}.ivI3Ta_source{font-size:var(--font-caption);min-height:44px}.ivI3Ta_branchArea{flex-direction:column;order:2;gap:20px;width:100%;display:flex}.ivI3Ta_branches{gap:4px 18px}.ivI3Ta_branches a{min-height:44px;font-size:var(--font-caption)}.ivI3Ta_milestones{grid-template-columns:1fr;gap:20px}.ivI3Ta_milestoneSymbol{width:44px;height:44px}.ivI3Ta_milestones a{grid-template-columns:44px minmax(0,1fr) 16px;min-height:64px}.ivI3Ta_milestones strong,.ivI3Ta_date,.ivI3Ta_summary{font-size:var(--font-caption)}.ivI3Ta_footer{font-size:var(--font-caption);flex-direction:column;align-items:flex-start;gap:10px;margin-top:24px}.ivI3Ta_footer a{min-height:44px}.ivI3Ta_contentHeader{flex-direction:column-reverse;align-items:flex-start}.ivI3Ta_contentHeader button{min-height:44px}}@media (max-width:700px){.ivI3Ta_heading{min-height:80px}.ivI3Ta_canvas{grid-template-rows:auto auto auto;grid-template-columns:minmax(0,1fr)}.ivI3Ta_feature{scroll-margin-top:calc(var(--atlas-top-height) + 12px);grid-area:2/1}.ivI3Ta_timeline{scroll-margin-top:calc(var(--atlas-top-height) + 12px);grid-area:3/1}.ivI3Ta_timeline button{grid-template-rows:auto auto;grid-template-columns:22px 48px minmax(0,1fr);align-content:center;min-height:88px}.ivI3Ta_eraSymbol{grid-row:1/3}.ivI3Ta_timeline strong{font-size:var(--font-body);grid-area:1/3}.ivI3Ta_eraName{font-size:var(--font-body);grid-area:2/3}.ivI3Ta_mobileTimelineLink{order:-1;align-items:center;min-height:44px;text-decoration:underline;display:flex}}@media (prefers-reduced-motion:reduce){.ivI3Ta_canvas{--information-reveal:1!important}.ivI3Ta_timeline button{visibility:visible!important;--dot-reveal:1!important;--dot-scale:1!important;--icon-reveal:1!important;--icon-scale:1!important;--year-reveal:1!important;--title-reveal:1!important}.ivI3Ta_timeline:before,.ivI3Ta_feature{visibility:visible!important}.ivI3Ta_timelineAnimation{display:none}.ivI3Ta_atlas *{transition:none!important}}.motion-off .ivI3Ta_atlas *{transition:none!important}.motion-off .ivI3Ta_timelineAnimation{display:none}.motion-off .ivI3Ta_canvas{--information-reveal:1!important}.motion-off .ivI3Ta_timeline button{visibility:visible!important;--dot-reveal:1!important;--dot-scale:1!important;--icon-reveal:1!important;--icon-scale:1!important;--year-reveal:1!important;--title-reveal:1!important}.motion-off .ivI3Ta_timeline:before{visibility:visible!important}.motion-off .ivI3Ta_feature{visibility:visible!important}