.ivb-lesson-module__MXbzdW__section{color:#171719;scroll-margin-top:24px}.ivb-lesson-module__MXbzdW__section *{min-width:0}.ivb-lesson-module__MXbzdW__intro{margin-bottom:36px}.ivb-lesson-module__MXbzdW__eyebrow{letter-spacing:.12em;gap:20px;font-size:.6875rem;font-weight:600;display:flex}.ivb-lesson-module__MXbzdW__eyebrow span:first-child{color:#ce2c31}.ivb-lesson-module__MXbzdW__eyebrow span:last-child{color:#686e62}.ivb-lesson-module__MXbzdW__intro :is(h1,h2){letter-spacing:-.035em;margin:19px 0 18px;scroll-margin-top:28px;font-size:clamp(2.2rem,3.5vw,3.5rem);line-height:1.13}.ivb-lesson-module__MXbzdW__lede{color:#62645f;margin:0;font-size:1.0625rem}.ivb-lesson-module__MXbzdW__lessonGrid{background:#fff;border:1px solid #d9ddd4;border-radius:5px;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);display:grid;overflow:clip}.ivb-lesson-module__MXbzdW__stageCard{border-right:1px solid #e0e3dc;padding:27px 27px 22px}.ivb-lesson-module__MXbzdW__stageHeader{color:#383e33;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 14px;font-size:.8125rem;display:flex}.ivb-lesson-module__MXbzdW__stageHeader h3{font:inherit;margin:0}.ivb-lesson-module__MXbzdW__simulated{color:#646b5c;border:1px solid #dce1d5;border-radius:20px;padding:3px 8px;font-size:.6875rem}.ivb-lesson-module__MXbzdW__chart{width:100%;height:auto;margin:32px 0 4px;font-family:inherit;display:block;overflow:visible}.ivb-lesson-module__MXbzdW__gridLine{stroke:#eef0eb;stroke-width:1px}.ivb-lesson-module__MXbzdW__guideLine{stroke:#dce1d5;stroke-dasharray:3 4;stroke-width:1px}.ivb-lesson-module__MXbzdW__gravityPath{fill:none;stroke:#6a7065;stroke-width:2px;stroke-dasharray:7 6}.ivb-lesson-module__MXbzdW__pitchPath{fill:none;stroke:#ce2c31;stroke-width:3px;stroke-linecap:round}.ivb-lesson-module__MXbzdW__secondPath{fill:none;stroke:#20281c;stroke-width:2.5px;stroke-dasharray:2 5;stroke-linecap:round}.ivb-lesson-module__MXbzdW__releaseDot{fill:#333b2d}.ivb-lesson-module__MXbzdW__gravityDot{fill:#fff;stroke:#6a7065;stroke-width:2px}.ivb-lesson-module__MXbzdW__pitchDot{fill:#ce2c31;stroke:#fff;stroke-width:2px}.ivb-lesson-module__MXbzdW__gapLine{fill:none;stroke:#ce2c31;stroke-width:1.3px}.ivb-lesson-module__MXbzdW__gapValue{fill:#ce2c31;font-variant-numeric:tabular-nums;font-size:21px;font-weight:600}.ivb-lesson-module__MXbzdW__gapLabel{fill:#62645f;font-size:13px}.ivb-lesson-module__MXbzdW__transferLabel{fill:#20281c;font-size:19px;font-weight:600}.ivb-lesson-module__MXbzdW__axisLabel{fill:#62645f;letter-spacing:1px;font-size:12px}.ivb-lesson-module__MXbzdW__legend{color:#4f5649;flex-wrap:wrap;gap:9px 23px;font-size:.75rem;display:flex}.ivb-lesson-module__MXbzdW__legend span{align-items:center;gap:7px;display:inline-flex}.ivb-lesson-module__MXbzdW__solidKey,.ivb-lesson-module__MXbzdW__dashedKey{border-top:2px solid #ce2c31;width:22px}.ivb-lesson-module__MXbzdW__dashedKey{border-top:2px dashed #6a7065}.ivb-lesson-module__MXbzdW__scaleNote{color:#686e62;margin:10px 0 0;font-size:.75rem}.ivb-lesson-module__MXbzdW__readout{color:#4d5546;border-top:1px solid #e4e7df;margin:18px 0 0;padding-top:17px;font-size:.9375rem}.ivb-lesson-module__MXbzdW__readout strong{color:#ce2c31;font-weight:600}.ivb-lesson-module__MXbzdW__plateStimulus{flex-direction:column;justify-content:center;align-items:center;min-height:330px;display:flex}.ivb-lesson-module__MXbzdW__plateStimulus svg{width:min(100%,300px);height:246px}.ivb-lesson-module__MXbzdW__plateStimulus p{color:#71766b;margin:4px 0 8px;font-size:.8125rem}.ivb-lesson-module__MXbzdW__controlCard{flex-direction:column;justify-content:center;padding:34px 38px;display:flex}.ivb-lesson-module__MXbzdW__step{letter-spacing:.09em;color:#676f5e;margin:0 0 14px;font-size:.6875rem;font-weight:600}.ivb-lesson-module__MXbzdW__controlCard h3{letter-spacing:-.03em;margin:0 0 26px;font-size:2.4rem;line-height:1.1}.ivb-lesson-module__MXbzdW__controlCard h3 em{color:#667658}.ivb-lesson-module__MXbzdW__choices{border:0;gap:10px;margin:0;padding:0;display:grid}.ivb-lesson-module__MXbzdW__choice{cursor:pointer;border:1px solid #d9ddd4;border-radius:3px;align-items:center;gap:12px;min-height:53px;padding:12px 13px;font-size:.9375rem;line-height:1.35;display:flex}.ivb-lesson-module__MXbzdW__choice:has(input:checked){background:#f1f4ed;border-color:#acb69e}.ivb-lesson-module__MXbzdW__choice input,.ivb-lesson-module__MXbzdW__transferChoice input{appearance:auto;accent-color:#ce2c31;flex-shrink:0;width:16px;height:16px}.ivb-lesson-module__MXbzdW__actions{flex-direction:column;align-items:flex-start;gap:13px;margin-top:21px;display:flex}.ivb-lesson-module__MXbzdW__primaryButton,.ivb-lesson-module__MXbzdW__replayButton{color:#fff;background:#ce2c31;border:1px solid #ce2c31;border-radius:3px;justify-content:center;align-items:center;gap:14px;min-height:46px;padding:11px 16px;display:inline-flex;font-size:.9375rem!important;font-weight:550!important}.ivb-lesson-module__MXbzdW__primaryButton:hover:not(:disabled){background:#b1252a}.ivb-lesson-module__MXbzdW__textButton{text-underline-offset:4px;color:#5a6152;background:0 0;border:0;align-items:center;gap:7px;min-height:36px;padding:3px 0;text-decoration:underline;display:inline-flex;font-size:.8125rem!important}.ivb-lesson-module__MXbzdW__textButton:hover{color:#ce2c31}.ivb-lesson-module__MXbzdW__explanation{color:#5e6557;margin:0 0 13px;font-size:1rem;line-height:1.55}.ivb-lesson-module__MXbzdW__explanation strong{color:#3f4737;font-weight:550}.ivb-lesson-module__MXbzdW__firstRead{color:#626b58;border-top:1px solid #e0e4d9;margin:10px 0 0;padding-top:15px;font-size:.8125rem}.ivb-lesson-module__MXbzdW__firstRead span{text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px;font-size:.6875rem;display:block}.ivb-lesson-module__MXbzdW__adjust{grid-template-columns:1fr 1.15fr .8fr;gap:40px;margin-top:30px;padding:24px 0;display:grid}.ivb-lesson-module__MXbzdW__adjustCopy h3{letter-spacing:-.025em;margin:0 0 13px;font-size:1.65rem;line-height:1.14}.ivb-lesson-module__MXbzdW__adjustCopy p:not(.ivb-lesson-module__MXbzdW__step){color:#626a59;margin:0;font-size:.875rem;line-height:1.5}.ivb-lesson-module__MXbzdW__sliderArea>label{color:#4c5443;justify-content:space-between;align-items:baseline;gap:10px;font-size:.8125rem;display:flex}.ivb-lesson-module__MXbzdW__sliderArea output{color:#ce2c31;font-variant-numeric:tabular-nums;font-size:1.7rem;font-weight:550;line-height:1}.ivb-lesson-module__MXbzdW__sliderArea small{font-size:.875rem;font-weight:400}.ivb-lesson-module__MXbzdW__sliderArea input[type=range]{accent-color:#ce2c31;cursor:pointer;width:100%;height:34px;margin:8px 0 0;display:block}.ivb-lesson-module__MXbzdW__rangeLabels{color:#686e62;justify-content:space-between;font-size:.6875rem;display:flex}.ivb-lesson-module__MXbzdW__entryRow{color:#5d6653;flex-wrap:wrap;align-items:center;gap:8px;margin-top:15px;font-size:.8125rem;display:flex}.ivb-lesson-module__MXbzdW__entryRow label{margin-right:auto}.ivb-lesson-module__MXbzdW__entryRow input{color:#171719;font-variant-numeric:tabular-nums;background:#fff;border:1px solid #bdc6b1;border-radius:3px;width:65px;max-width:65px;padding:5px 8px;font-size:.9375rem}.ivb-lesson-module__MXbzdW__entryRow input[aria-invalid=true]{border-color:#ce2c31}.ivb-lesson-module__MXbzdW__help,.ivb-lesson-module__MXbzdW__inputError{color:#666f5c;margin:7px 0 0;font-size:.75rem}.ivb-lesson-module__MXbzdW__inputError{color:#b1252a}.ivb-lesson-module__MXbzdW__replayArea{flex-direction:column;justify-content:center;align-items:flex-start;gap:8px;display:flex}.ivb-lesson-module__MXbzdW__replayButton{color:#454d3c;background:#fff;border-color:#c2caba;font-size:.875rem!important}.ivb-lesson-module__MXbzdW__replayArea p{color:#686e62;margin:0;font-size:.6875rem}.ivb-lesson-module__MXbzdW__experimentNote{color:#646d5a;border-bottom:1px solid #dce1d5;padding-bottom:28px;font-size:.8125rem}.ivb-lesson-module__MXbzdW__transfer{background:#f0f2eb;border:1px solid #dce1d5;border-radius:4px;grid-template-columns:1fr 1fr;gap:32px 70px;margin-top:42px;padding:32px;display:grid}.ivb-lesson-module__MXbzdW__transfer h3{letter-spacing:-.03em;margin:0 0 17px;font-size:2rem;line-height:1.13}.ivb-lesson-module__MXbzdW__transfer p:not(.ivb-lesson-module__MXbzdW__step){color:#5d6653;margin:0;font-size:.9375rem;line-height:1.55}.ivb-lesson-module__MXbzdW__transferChoices{border:0;grid-template-columns:1fr 1fr;gap:12px;margin:0 0 15px;padding:0;display:grid}.ivb-lesson-module__MXbzdW__transferChoice{cursor:pointer;background:#fafbf8;border:1px solid #cad2bf;border-radius:3px;align-items:center;gap:11px;padding:12px;font-size:.8125rem;display:flex}.ivb-lesson-module__MXbzdW__transferChoice:has(input:checked){background:#e9eedf;border-color:#788968}.ivb-lesson-module__MXbzdW__transferChoice strong{font-size:1.5rem;font-weight:550;display:block}.ivb-lesson-module__MXbzdW__transferChoice small{font-size:.75rem;font-weight:400}.ivb-lesson-module__MXbzdW__transferResult{border-top:1px solid #d3dbc8;grid-column:1/-1;padding-top:24px}.ivb-lesson-module__MXbzdW__transferResult .ivb-lesson-module__MXbzdW__resultHeading{color:#28331f;margin-bottom:8px;font-size:1.25rem;font-weight:550}.ivb-lesson-module__MXbzdW__transferResult .ivb-lesson-module__MXbzdW__chart{max-width:700px;margin:26px auto 0}.ivb-lesson-module__MXbzdW__transferResult .ivb-lesson-module__MXbzdW__takeaway{color:#28331f;margin-top:18px;font-size:1.0625rem}.ivb-lesson-module__MXbzdW__transferResult button{margin-top:12px}.ivb-lesson-module__MXbzdW__restart{margin-top:18px}.ivb-lesson-module__MXbzdW__method{border-top:1px solid #dce1d5;margin-top:36px;padding-top:8px;scroll-margin-top:25px}.ivb-lesson-module__MXbzdW__method summary{cursor:pointer;min-height:46px;padding:13px 0;font-size:.9375rem}.ivb-lesson-module__MXbzdW__method summary span{color:#68715e;margin-left:18px;font-size:.75rem}.ivb-lesson-module__MXbzdW__method>div{color:#5d6653;max-width:780px;padding:8px 0 15px;font-size:.875rem}.ivb-lesson-module__MXbzdW__method p{margin:0 0 15px}.ivb-lesson-module__MXbzdW__method dl{border-block:1px solid #dde3d4;grid-template-columns:1fr 1fr;gap:12px 24px;margin-bottom:19px;padding:16px 0;display:grid}.ivb-lesson-module__MXbzdW__method dt{color:#69765f;font-size:.6875rem}.ivb-lesson-module__MXbzdW__method dd{font-variant-numeric:tabular-nums;color:#3f4b34;margin-top:3px}.ivb-lesson-module__MXbzdW__noScript{background:#fff;border:1px solid #dce1d5;padding:28px}.ivb-lesson-module__MXbzdW__noScript h3{font-size:2rem}.ivb-lesson-module__MXbzdW__noScript .ivb-lesson-module__MXbzdW__chart{max-width:700px}.ivb-lesson-module__MXbzdW__noScript p{margin-top:16px}.ivb-lesson-module__MXbzdW__srOnly{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (max-width:1000px){.ivb-lesson-module__MXbzdW__controlCard{padding:28px}.ivb-lesson-module__MXbzdW__stageCard{padding:24px 20px}.ivb-lesson-module__MXbzdW__controlCard h3{font-size:2.1rem}.ivb-lesson-module__MXbzdW__adjust{grid-template-columns:1fr 1fr;gap:24px}.ivb-lesson-module__MXbzdW__replayArea{flex-flow:wrap;grid-column:1/-1;justify-content:flex-start;align-items:center;gap:18px}.ivb-lesson-module__MXbzdW__transfer{gap:28px;padding:26px}}@media (max-width:760px){.ivb-lesson-module__MXbzdW__lessonGrid{grid-template-columns:1fr}.ivb-lesson-module__MXbzdW__stageCard{border-bottom:1px solid #e0e3dc;border-right:0}.ivb-lesson-module__MXbzdW__plateStimulus{min-height:240px}.ivb-lesson-module__MXbzdW__plateStimulus svg{height:206px}.ivb-lesson-module__MXbzdW__chart{margin-top:25px}.ivb-lesson-module__MXbzdW__transfer{grid-template-columns:1fr}.ivb-lesson-module__MXbzdW__transferResult{grid-column:auto}}@media (max-width:480px){.ivb-lesson-module__MXbzdW__intro :is(h1,h2){font-size:2.35rem}.ivb-lesson-module__MXbzdW__intro :is(h1,h2) br{display:none}.ivb-lesson-module__MXbzdW__intro{margin-bottom:26px}.ivb-lesson-module__MXbzdW__lede{font-size:1rem}.ivb-lesson-module__MXbzdW__controlCard{padding:27px 21px}.ivb-lesson-module__MXbzdW__stageCard{padding:20px 16px}.ivb-lesson-module__MXbzdW__adjust{grid-template-columns:1fr;gap:24px;margin-top:22px}.ivb-lesson-module__MXbzdW__replayArea{grid-column:auto}.ivb-lesson-module__MXbzdW__adjustCopy h3{font-size:1.8rem}.ivb-lesson-module__MXbzdW__transfer{margin-top:25px;padding:23px 18px}.ivb-lesson-module__MXbzdW__transfer h3{font-size:1.85rem}.ivb-lesson-module__MXbzdW__transferChoices{gap:9px}.ivb-lesson-module__MXbzdW__transferChoice{gap:9px;padding:11px 9px}.ivb-lesson-module__MXbzdW__transferChoice strong{font-size:1.4rem}.ivb-lesson-module__MXbzdW__method summary span{margin:4px 0 0;display:block}.ivb-lesson-module__MXbzdW__method dl{grid-template-columns:1fr}.ivb-lesson-module__MXbzdW__eyebrow{gap:14px;font-size:.625rem}}@media (max-width:760px){.ivb-lesson-module__MXbzdW__section:not([data-stage=predict]) .ivb-lesson-module__MXbzdW__interactive{flex-direction:column;display:flex}.ivb-lesson-module__MXbzdW__section:not([data-stage=predict]) .ivb-lesson-module__MXbzdW__lessonGrid{display:contents}.ivb-lesson-module__MXbzdW__section:not([data-stage=predict]) .ivb-lesson-module__MXbzdW__stageCard{background:#fff;border:1px solid #d9ddd4;border-radius:4px;order:0}.ivb-lesson-module__MXbzdW__section:not([data-stage=predict]) .ivb-lesson-module__MXbzdW__adjust{order:1}.ivb-lesson-module__MXbzdW__section:not([data-stage=predict]) .ivb-lesson-module__MXbzdW__experimentNote{order:2}.ivb-lesson-module__MXbzdW__section:not([data-stage=predict]) .ivb-lesson-module__MXbzdW__controlCard{background:#fff;border:1px solid #d9ddd4;border-radius:4px;order:3;margin-top:26px}.ivb-lesson-module__MXbzdW__section:not([data-stage=predict]) .ivb-lesson-module__MXbzdW__transfer{order:4}.ivb-lesson-module__MXbzdW__section:not([data-stage=predict]) .ivb-lesson-module__MXbzdW__restart{order:5;align-self:flex-start}}@media (max-width:480px){.ivb-lesson-module__MXbzdW__axisLabel{letter-spacing:0;font-size:29px}.ivb-lesson-module__MXbzdW__gapValue{font-size:32px}.ivb-lesson-module__MXbzdW__gapLabel,.ivb-lesson-module__MXbzdW__transferLabel{font-size:27px}}