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6px;font-size:24px;font-style:italic;font-weight:300;font-stretch:75%;line-height:1}.fs-bar{width:var(--fs-shell);border-bottom:1px solid var(--fs-line);grid-template-columns:auto 1fr auto;align-items:center;gap:12px;margin:0 auto;padding:14px 0;display:grid}.fs-back,.fs-book{align-items:center;gap:8px;font-size:13px;font-weight:600;text-decoration:none;display:inline-flex}.fs-back{color:var(--fs-muted)}.fs-back:hover{color:var(--fs-text)}.fs-book{color:var(--fs-yellow);justify-self:end}.fs-book:hover{color:var(--fs-yellow-hover)}.fs-activities{scrollbar-width:none;justify-content:center;gap:6px;min-width:0;display:flex;overflow-x:auto}.fs-activities::-webkit-scrollbar{display:none}.fs-activity{isolation:isolate;color:var(--fs-muted);font-family:var(--fs-condensed);text-transform:uppercase;flex-shrink:0;padding:9px 16px;font-size:18px;font-style:italic;font-weight:300;font-stretch:75%;line-height:1;text-decoration:none;transition:color 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var(--fs-line);background:var(--fs-panel);border-radius:16px;grid-template-columns:repeat(3,minmax(0,1fr));margin:0;display:grid}.fs-facts>div{padding:16px 14px 14px}.fs-facts>div+div{border-left:1px dashed var(--fs-line-strong)}.fs-facts dt{color:var(--fs-yellow);font-family:var(--fs-impact);white-space:nowrap;font-size:clamp(22px,2.6vw,30px);line-height:1}.fs-facts dd{color:var(--fs-muted);margin:8px 0 0;font-size:12px;line-height:1.4}.fs-studio{width:var(--fs-shell);margin:0 auto}.fs-tabs{scrollbar-width:none;gap:4px;margin-bottom:12px;padding:2px 2px 6px;display:flex;overflow-x:auto}.fs-tabs::-webkit-scrollbar{display:none}@media (max-width:1100px){.fs-tabs{-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 48px),#0000);mask-image:linear-gradient(90deg,#000 calc(100% - 48px),#0000)}}.fs-tab{isolation:isolate;color:var(--fs-muted);font-family:var(--fs-condensed);text-transform:uppercase;cursor:pointer;background:0 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(max-width:959px){.fs-stage{top:var(--site-header-height,64px);z-index:5;border-bottom:1px solid var(--fs-line);position:sticky}}@media (min-width:960px){.fs-stage{top:calc(var(--site-header-height,93px) + 12px);height:clamp(480px, calc(100dvh - var(--site-header-height,93px) - 40px), 820px);border-radius:21px 0 0 21px;position:sticky}}.fs-canvas{cursor:grab;touch-action:pan-y;width:100%;height:100%;display:block}.fs-canvas[data-cut=a]{animation:fs-cut-a .28s var(--fs-ease)}.fs-canvas[data-cut=b]{animation:fs-cut-b .28s var(--fs-ease)}@keyframes fs-cut-a{0%{opacity:0}}@keyframes fs-cut-b{0%{opacity:0}}.fs-stage[data-mode=lab] .fs-canvas{cursor:grab}.fs-canvas:active{cursor:grabbing}.fs-stage-hint{border:1px solid var(--fs-line);color:var(--fs-muted);font-family:var(--fs-mono);letter-spacing:.1em;text-transform:uppercase;white-space:nowrap;pointer-events:none;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#000000a8;border-radius:8px;align-items:center;gap:7px;margin:0;padding:7px 12px;font-size:10px;display:inline-flex;position:absolute;bottom:14px;left:50%;transform:translate(-50%)}.fs-stage-loading{color:var(--fs-muted);pointer-events:none;place-content:center;justify-items:center;gap:10px;font-size:13px;display:grid;position:absolute;inset:0}.fs-stage-loading button{pointer-events:auto}.fs-stage-start{min-height:44px;color:var(--fs-text);font-family:var(--fs-impact);align-items:center;gap:8px;padding:0 20px;font-size:16px;display:inline-flex}.fs-spin{color:var(--fs-yellow);animation:.9s linear infinite fs-spin}@keyframes fs-spin{to{transform:rotate(360deg)}}.fs-ruler{pointer-events:none;border-left:1px solid #ffffff40;width:44px;position:absolute;top:12%;bottom:12%;left:18px}.fs-ruler span{color:#ffffffb0;font-family:var(--fs-mono);letter-spacing:.08em;font-size:10px;position:absolute;left:8px;transform:translateY(-50%)}.fs-ruler span:before{content:"";border-top:1px solid #ffffff60;width:6px;position:absolute;top:50%;left:-8px}.fs-ruler i{background:var(--fs-yellow);width:11px;height:11px;transition:top .4s var(--fs-ease);position:absolute;left:-6px;transform:translateY(-50%)skew(-10deg)}.fs-panel{min-width:0;padding:22px 18px 28px}@media (min-width:960px){.fs-panel{border-left:1px solid var(--fs-line);padding:26px 26px 32px}}.fs-panel-head{animation:fs-rise .45s var(--fs-ease) both;margin-bottom:18px}.fs-panel-title{font-family:var(--fs-condensed);text-transform:uppercase;margin:8px 0;font-size:clamp(28px,3vw,34px);font-style:italic;font-weight:300;font-stretch:75%;line-height:1}.fs-panel-line{color:var(--fs-muted);margin:0;font-size:13.5px;line-height:1.55}@keyframes fs-rise{0%{opacity:0;transform:translateY(8px)}}.fs-lab{gap:16px;display:grid}.fs-slider-head{justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:6px;display:flex}.fs-slider-head label{color:var(--fs-dim);font-family:var(--fs-mono);letter-spacing:.15em;text-transform:uppercase;font-size:10px;font-weight:600}.fs-slider-head output{color:var(--fs-text);font-family:var(--fs-impact);font-size:18px;line-height:1}.fs-slider input[type=range]{cursor:pointer;appearance:none;background:0 0;width:100%;height:28px;margin:0;display:block}.fs-slider input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(90deg, var(--fs-yellow) var(--fill,0%), #ffffff24 var(--fill,0%));border-radius:2px;height:4px}.fs-slider input[type=range]::-moz-range-track{background:#ffffff24;border-radius:2px;height:4px}.fs-slider input[type=range]::-moz-range-progress{background:var(--fs-yellow);border-radius:2px;height:4px}.fs-slider input[type=range]::-webkit-slider-thumb{background:var(--fs-yellow);width:18px;height:24px;box-shadow:0 0 0 1px var(--fs-yellow);transition:transform .15s var(--fs-ease);appearance:none;border:3px solid #0b0b0b;border-radius:5px;margin-top:-10px;transform:skew(-10deg)}.fs-slider input[type=range]::-moz-range-thumb{background:var(--fs-yellow);width:12px;height:18px;box-shadow:0 0 0 1px var(--fs-yellow);border:3px solid #0b0b0b;border-radius:5px;transform:skew(-10deg)}.fs-slider input[type=range]:active::-webkit-slider-thumb{transform:skew(-10deg)scale(1.12)}.fs-slider input[type=range]:focus-visible{outline:none}.fs-slider input[type=range]:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 2px var(--fs-yellow), 0 0 0 5px #ffbb0040}.fs-slider-ends{color:var(--fs-faint);font-family:var(--fs-mono);letter-spacing:.1em;text-transform:uppercase;justify-content:space-between;font-size:9.5px;display:flex}.fs-chips{flex-wrap:wrap;gap:8px;margin-top:-4px;display:flex}.fs-chip{color:var(--fs-muted);cursor:pointer;background:0 0;border:0;padding:7px 11px;font-size:12px}.fs-chip b{color:var(--fs-text);font-family:var(--fs-impact);margin-right:3px;font-size:13px;font-weight:400}.fs-chip[aria-pressed=true],.fs-chip[aria-pressed=true] b{color:var(--fs-ink)}.fs-stats{border:1px solid var(--fs-line);background:var(--fs-well);border-radius:14px;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.fs-stat{gap:6px;padding:14px 14px 13px;display:grid}.fs-stat:nth-child(odd){border-right:1px dashed var(--fs-line-strong)}.fs-stat:nth-child(n+3){border-top:1px dashed var(--fs-line-strong)}.fs-stat strong{color:var(--fs-text);font-family:var(--fs-impact);font-variant-numeric:tabular-nums;align-items:baseline;gap:4px;font-size:28px;font-weight:400;line-height:1;display:flex}.fs-stat strong small{color:var(--fs-dim);font-family:var(--fs-mono);letter-spacing:.1em;text-transform:uppercase;font-size:10px;font-weight:600}.fs-stat>span{color:var(--fs-muted);font-size:11.5px;line-height:1.35}.fs-piste{font-size:22px!important}.fs-piste i{background:var(--piste);border:1px solid #fff5;border-radius:50%;align-self:center;width:16px;height:16px}.fs-lab-note,.fs-lab-legend{color:var(--fs-muted);margin:0;font-size:13px;line-height:1.55}.fs-lab-note svg{vertical-align:-3px;color:var(--fs-yellow);margin-right:8px;display:inline}.fs-lab-note b{color:var(--fs-text)}.fs-lab-legend{align-items:center;gap:9px;font-size:12px;display:flex}.fs-lab-legend i{background:var(--fs-yellow);border-radius:50%;width:8px;height:8px}.fs-warning{color:var(--fs-danger-text);background:#ff5a6712;border:1px solid #ff5a6759;border-radius:10px;gap:9px;margin:0;padding:11px 13px;font-size:13px;line-height:1.5;display:flex}.fs-warning svg{flex-shrink:0;margin-top:2px}.fs-colours{grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;display:grid}.fs-colour{justify-items:start;gap:5px;display:grid}.fs-colour i{border-radius:5px;width:100%;height:22px;transition:opacity .3s;transform:skew(-10deg)}.fs-colour span{color:var(--fs-dim);font-family:var(--fs-mono);letter-spacing:.1em;text-transform:uppercase;font-size:9.5px}.fs-colour b{color:var(--fs-text);font-family:var(--fs-impact);font-size:14px;font-weight:400}.fs-segment{grid-auto-columns:minmax(0,1fr);grid-auto-flow:column;gap:6px;display:grid}.fs-segment.is-wrap{flex-wrap:wrap;display:flex}.fs-segment>button{isolation:isolate;color:var(--fs-text);text-align:left;cursor:pointer;background:0 0;border:0;gap:3px;padding:10px 10px 9px;display:grid;position:relative}.fs-segment>button:before{content:"";z-index:-2;border:1px solid var(--fs-line-strong);border-radius:8px;transition:border-color .2s;position:absolute;inset:0;transform:skew(-8deg)}.fs-segment>button:hover:before{border-color:var(--fs-yellow)}.fs-segment>button b{font-family:var(--fs-condensed);text-transform:uppercase;font-size:17px;font-style:italic;font-weight:300;font-stretch:75%;line-height:1}.fs-segment>button span{color:var(--fs-dim);font-family:var(--fs-mono);letter-spacing:.1em;text-transform:uppercase;font-size:9.5px}.fs-segment>button:is([aria-checked=true],[aria-selected=true]),.fs-segment>button:is([aria-checked=true],[aria-selected=true]) span{color:var(--fs-ink)}.fs-segment .glide-marker{z-index:-1}.fs-gear{gap:18px;display:grid}.fs-gear-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 8px;display:grid}.fs-gear-option{isolation:isolate;min-height:40px;color:var(--fs-body);text-align:left;cursor:pointer;background:0 0;border:0;align-items:baseline;gap:9px;padding:9px 10px;font-size:13.5px;font-weight:600;display:flex;position:relative}.fs-gear-option:before{content:"";z-index:-2;background:#ffffff08;border-radius:8px;transition:background .2s;position:absolute;inset:3px 2px;transform:skew(-9deg)}.fs-gear-option:hover:before{background:#ffffff12}.fs-gear-option[aria-checked=true]{color:var(--fs-ink)}.fs-gear-option[aria-checked=true] .fs-num{color:#01050899}.fs-gear-option .glide-marker{inset:3px 2px}.fs-card{border:1px solid var(--fs-line);background:radial-gradient(90% 34% at 0% 0%, #ffbb0012, transparent 60%), var(--fs-well);animation:fs-rise .4s var(--fs-ease) both;border-radius:18px;padding:18px 16px 16px}.fs-card-title{font-family:var(--fs-condensed);text-transform:uppercase;margin:8px 0 10px;font-size:28px;font-style:italic;font-weight:300;font-stretch:75%;line-height:1}.fs-standard{background:var(--fs-wash);border:1px dashed #ffbb0059;border-radius:12px;gap:10px;margin-top:14px;padding:12px;display:flex}.fs-standard svg{color:var(--fs-yellow);flex-shrink:0;margin-top:2px}.fs-standard b{color:var(--fs-yellow);font-family:var(--fs-impact);letter-spacing:.02em;font-size:16px;font-weight:400}.fs-standard p{color:var(--fs-body);margin:4px 0 0;font-size:13px;line-height:1.5}.fs-checks{gap:8px;margin:0;padding:0;list-style:none;display:grid}.fs-checks li{color:var(--fs-body);gap:9px;font-size:13.5px;line-height:1.45;display:flex}.fs-checks svg{background:var(--fs-yellow);color:var(--fs-ink);box-sizing:content-box;border-radius:4px;flex-shrink:0;margin-top:3px;padding:2px;transform:skew(-10deg)}.fs-tip{color:var(--fs-muted);gap:9px;margin:16px 0 0;font-size:13px;line-height:1.5;display:flex}.fs-tip svg{color:var(--fs-yellow);flex-shrink:0;margin-top:2px}.fs-card-nav{gap:10px;margin-top:18px;display:flex}.fs-icon-btn{width:44px;height:42px;color:var(--fs-text);cursor:pointer;border:0;place-items:center;display:grid}.fs-next{min-height:42px;color:var(--fs-text);font-family:var(--fs-impact);cursor:pointer;border:0;flex:1;justify-content:center;align-items:center;gap:8px;padding:0 16px;font-size:15px;text-decoration:none;display:inline-flex;overflow:hidden}.fs-next.slant-btn{color:var(--fs-ink)}.fs-small{min-height:36px;color:var(--fs-ink);font-family:var(--fs-impact);cursor:pointer;border:0;align-items:center;gap:6px;padding:0 14px;font-size:14px;display:inline-flex}.fs-textbtn{color:var(--fs-muted);cursor:pointer;background:0 0;border:0;align-items:center;gap:6px;padding:0;font-size:12.5px;font-weight:600;display:inline-flex}.fs-textbtn:hover{color:var(--fs-yellow)}.fs-protocols{gap:12px;display:grid}.fs-protocols .fs-segment>button{padding:9px 13px}.fs-steps{gap:6px;margin:6px 0 0;padding:0;list-style:none;display:grid}.fs-step{border:1px solid var(--fs-line);background:var(--fs-well);animation:fs-rise .4s var(--fs-ease) both;animation-delay:calc(var(--i,0) * 40ms);border-radius:14px;transition:border-color .2s,background .2s}.fs-step[data-open=true]{background:#0f0e0a;border-color:#ffbb0059}.fs-step-head{width:100%;color:var(--fs-text);text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:14px;padding:11px 12px;display:flex}.fs-step-mark{isolation:isolate;min-width:40px;height:36px;color:var(--fs-yellow);font-family:var(--fs-impact);place-items:center;padding:0 6px;font-size:19px;line-height:1;display:grid;position:relative}.fs-step-mark:before{content:"";z-index:-1;border:1px solid #ffbb0059;border-radius:7px;position:absolute;inset:0;transform:skew(-10deg)}.fs-step[data-done=true] .fs-step-mark{color:var(--fs-ink)}.fs-step[data-done=true] .fs-step-mark:before{background:var(--fs-yellow)}.fs-step-title{font-size:14.5px;font-weight:600}.fs-step-body{padding:0 14px 14px 68px}.fs-step-body p{color:var(--fs-body);margin:0;font-size:13.5px;line-height:1.55}.fs-step-actions{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-top:12px;display:flex}.fs-done{color:var(--fs-yellow);align-items:center;gap:9px;margin:4px 0 0;font-size:13.5px;font-weight:600;display:flex}.fs-licences{gap:26px;display:grid}.fs-ladder{gap:0;margin:14px 0 0;padding:0;list-style:none;display:grid;position:relative}.fs-ladder:before{content:"";border-left:1px dashed #ffbb0059;position:absolute;top:18px;bottom:18px;left:31px}.fs-ladder li{animation:fs-rise .4s var(--fs-ease) both;animation-delay:calc(var(--i,0) * 50ms);grid-template-columns:64px minmax(0,1fr);gap:14px;padding:10px 0;display:grid;position:relative}.fs-rung{isolation:isolate;height:36px;color:var(--fs-ink);font-family:var(--fs-impact);text-align:center;align-self:start;place-items:center;padding:0 4px;font-size:13.5px;line-height:1;display:grid;position:relative}.fs-rung:before{content:"";z-index:-1;background:var(--fs-yellow);border-radius:7px;position:absolute;inset:0;transform:skew(-10deg)}.fs-ladder b{font-family:var(--fs-condensed);text-transform:uppercase;margin:2px 0 6px;font-size:20px;font-style:italic;font-weight:300;font-stretch:75%;line-height:1;display:block}.fs-ladder p{color:var(--fs-body);margin:0 0 5px;font-size:13px;line-height:1.5}.fs-ask{border:1px solid var(--fs-line);background:var(--fs-well);border-radius:18px;padding:18px 16px}.fs-ask .fs-subtitle{margin:8px 0 12px}.fs-ask ul{gap:4px;margin:0;padding:0;list-style:none;display:grid}.fs-tick{width:100%;color:var(--fs-body);text-align:left;cursor:pointer;background:0 0;border:0;gap:11px;padding:8px 2px;font-size:13.5px;line-height:1.45;display:flex}.fs-tick-box{border:1px solid var(--fs-line-strong);color:#0000;border-radius:5px;flex-shrink:0;place-items:center;width:20px;height:20px;margin-top:1px;transition:background .15s,border-color .15s;display:grid;transform:skew(-10deg)}.fs-tick[aria-checked=true] .fs-tick-box{border-color:var(--fs-yellow);background:var(--fs-yellow);color:var(--fs-ink)}.fs-tick[aria-checked=true]>span:last-child{color:var(--fs-muted);-webkit-text-decoration:line-through #ffbb0080;text-decoration:line-through #ffbb0080}.fs-rules{gap:14px;display:grid}.fs-rule-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.fs-rule{border:1px solid var(--fs-line);background:var(--fs-well);animation:fs-rise .35s var(--fs-ease) both;animation-delay:calc(var(--i,0) * 35ms);border-radius:14px;gap:13px;padding:13px 14px;display:flex}.fs-rule-icon{isolation:isolate;width:32px;height:30px;color:var(--fs-ink);flex-shrink:0;place-items:center;display:grid;position:relative}.fs-rule-icon:before{content:"";z-index:-1;background:var(--fs-yellow);border-radius:7px;position:absolute;inset:0;transform:skew(-10deg)}.fs-rule[data-kind=dont] .fs-rule-icon{color:#fff}.fs-rule[data-kind=dont] .fs-rule-icon:before{background:#e5484d}.fs-rule b{font-size:14.5px;font-weight:600;line-height:1.35;display:block}.fs-rule p{color:var(--fs-muted);margin:4px 0 0;font-size:13px;line-height:1.5}.fs-quiz{gap:12px;display:grid}.fs-quiz .fs-card-title{margin:0;font-size:26px;line-height:1.05}.fs-quiz-progress{gap:5px;display:flex}.fs-quiz-progress i{background:#ffffff1c;border-radius:2px;flex:1;height:4px;transform:skew(-20deg)}.fs-quiz-progress i[data-state=done]{background:var(--fs-yellow)}.fs-quiz-progress i[data-state=now]{background:#ffbb0080}.fs-quiz-options{gap:6px;display:grid}.fs-quiz-option{isolation:isolate;min-height:46px;color:var(--fs-body);text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:11px;padding:10px 14px;font-size:14px;font-weight:600;display:flex;position:relative}.fs-quiz-option>span:nth-child(2){flex:1}.fs-quiz-option:before{content:"";z-index:-1;border:1px solid var(--fs-line-strong);border-radius:8px;transition:border-color .2s,background .2s;position:absolute;inset:3px 2px;transform:skew(-9deg)}.fs-quiz-option:hover:not(:disabled):before{border-color:var(--fs-yellow)}.fs-quiz-option:disabled{cursor:default}.fs-quiz-option[data-state=right]{color:var(--fs-ink)}.fs-quiz-option[data-state=right] .fs-num{color:#01050899}.fs-quiz-option[data-state=right]:before{border-color:var(--fs-yellow);background:var(--fs-yellow)}.fs-quiz-option[data-state=wrong]{color:var(--fs-danger-text)}.fs-quiz-option[data-state=wrong]:before{background:#ff5a6714;border-color:#ff5a6780}.fs-quiz-why{border:1px solid var(--fs-line);background:var(--fs-well);color:var(--fs-body);animation:fs-rise .35s var(--fs-ease) both;border-radius:14px;justify-items:start;gap:12px;padding:14px;font-size:13.5px;line-height:1.55;display:grid}.fs-quiz-why b{color:var(--fs-text)}.fs-score{color:var(--fs-yellow);font-family:var(--fs-impact);align-items:baseline;gap:8px;margin:6px 0 0;font-size:88px;line-height:1;display:flex}.fs-score small{color:var(--fs-dim);font-size:28px}.fs-trip.sim-workspace{height:clamp(480px, calc(100dvh - var(--site-header-height,64px) - 40px), 860px);border:1px solid var(--fs-line);border-radius:22px}.fs-trip-loading{height:100%;color:var(--fs-muted);place-items:center;display:grid}.fs-sources{width:var(--fs-shell);border-top:1px solid var(--fs-line);margin:28px auto 0;padding-top:20px}.fs-sources .fs-kicker svg{color:var(--fs-yellow)}.fs-disclaimer{max-width:78ch;color:var(--fs-muted);margin:10px 0 14px;font-size:13px;line-height:1.6}.fs-sources ul{flex-wrap:wrap;gap:8px 18px;margin:0;padding:0;list-style:none;display:flex}.fs-sources a{color:var(--fs-dim);align-items:center;gap:5px;font-size:12px;text-decoration:none;display:inline-flex}.fs-sources a:hover{color:var(--fs-yellow)}@media (prefers-reduced-motion:reduce){.fs-page *,.fs-page :before{transition:none!important;animation:none!important}}.fs-index-hero{grid-template-columns:1fr!important}.fs-index-grid{width:var(--fs-shell);gap:14px;margin:0 auto;padding:0;list-style:none;display:grid}@media (min-width:720px){.fs-index-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width:1100px){.fs-index-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}.fs-index-grid>li{animation:fs-rise .5s var(--fs-ease) both;animation-delay:calc(var(--i,0) * 70ms)}.fs-index-card{border:1px solid var(--fs-line);background:var(--fs-panel);height:100%;color:var(--fs-text);transition:border-color .25s, transform .35s var(--fs-ease);border-radius:20px;gap:8px;padding:12px 12px 18px;text-decoration:none;display:grid}.fs-index-card:hover{border-color:#ffbb0073;transform:translateY(-3px)}.fs-index-poster{aspect-ratio:4/5;background:#0a0a0a;border-radius:12px;margin-bottom:8px;display:block;position:relative;overflow:hidden}.fs-index-poster img{object-fit:cover;transition:transform .6s var(--fs-ease)}.fs-index-card:hover .fs-index-poster img{transform:scale(1.04)}.fs-index-card>.fs-kicker{padding:0 4px}.fs-index-name{font-family:var(--fs-condensed);text-transform:uppercase;padding:0 4px;font-size:30px;font-style:italic;font-weight:300;font-stretch:75%;line-height:1}.fs-index-line{color:var(--fs-muted);padding:0 4px;font-size:13.5px;line-height:1.45}.fs-index-chapters{flex-wrap:wrap;gap:6px;padding:4px 4px 0;display:flex}.fs-index-chapters b{border:1px solid var(--fs-line-strong);color:var(--fs-dim);font-family:var(--fs-mono);letter-spacing:.12em;text-transform:uppercase;border-radius:6px;padding:4px 8px;font-size:9.5px;font-weight:600}.fs-index-go{color:var(--fs-yellow);font-family:var(--fs-impact);align-items:center;gap:6px;margin-top:8px;padding:0 4px;font-size:16px;display:inline-flex}.fs-labels{pointer-events:none;transition:opacity .2s;position:absolute;inset:0;overflow:hidden}.fs-leaders{width:100%;height:100%;position:absolute;inset:0}.fs-leaders line{stroke:var(--fs-yellow);stroke-width:1px;transition:opacity .2s}.fs-tag{color:var(--fs-muted);font-family:var(--fs-mono);letter-spacing:.12em;text-transform:uppercase;white-space:nowrap;will-change:transform, opacity;background:#050505d9;border:1px solid #ffffff24;border-radius:6px;align-items:center;gap:6px;padding:4px 9px 4px 8px;font-size:9.5px;font-weight:600;display:inline-flex;position:absolute;top:0;left:0}.fs-tag b{color:var(--fs-faint);font-weight:600}.fs-tag.is-on{border-color:var(--fs-yellow);background:var(--fs-yellow);color:var(--fs-ink)}.fs-tag.is-on b{color:#01050899}.fs-callout{will-change:transform, opacity;transition:opacity .2s;position:absolute;top:0;left:0}.fs-callout>i{border:2px solid var(--fs-ink);background:var(--fs-yellow);border-radius:50%;width:10px;height:10px;position:absolute;top:-5px;left:-5px;box-shadow:0 0 0 3px #ffbb0040}.fs-callout>span{color:var(--fs-text);font-family:var(--fs-condensed);text-transform:uppercase;white-space:nowrap;transform:translate(var(--dx,0), var(--dy,0)) translateY(-50%);background:#050505e6;border:1px solid #ffbb0080;border-radius:7px;align-items:center;gap:7px;padding:5px 10px 5px 6px;font-size:15px;font-style:italic;font-weight:300;font-stretch:75%;line-height:1;display:inline-flex;position:absolute;top:0;left:0}.fs-callout[data-side=left]>span{transform:translate(var(--dx,0), var(--dy,0)) translate(-100%, -50%)}.fs-callout b{background:var(--fs-yellow);width:18px;height:18px;color:var(--fs-ink);font-family:var(--fs-impact);border-radius:4px;place-items:center;font-size:12px;font-style:normal;font-weight:400;display:grid;transform:skew(-10deg)}.fs-callout em{font-style:italic}@media (max-width:719px){.fs-callout>span{padding:4px 8px 4px 5px;font-size:13px}.fs-tag{font-size:8.5px}}.fs-pin{will-change:transform, opacity;transition:opacity .2s;position:absolute;top:0;left:0}.fs-pin>i{background:var(--pin,var(--fs-yellow));border:2px solid #050505;border-radius:50%;width:8px;height:8px;position:absolute;top:-4px;left:-4px}.fs-pin>span{border-left:2px solid var(--pin,var(--fs-yellow));color:#f5f5f0;font-family:var(--fs-mono);letter-spacing:.1em;text-transform:uppercase;white-space:nowrap;transform:translateY(calc(-50% + var(--dy,0px)));background:#050505d0;border-radius:0 6px 6px 0;padding:4px 8px;font-size:10px;font-weight:600;position:absolute;top:0;left:10px}@media (max-width:719px){.fs-pin>span{letter-spacing:.06em;padding:3px 6px;font-size:8.5px}}.fs-pin[data-side=left]>span{border-right:2px solid var(--pin,var(--fs-yellow));border-left:0;border-radius:6px 0 0 6px;left:auto;right:10px}.fs-pin[data-tone=light]{--pin:#f5f5f0}.fs-pin[data-tone=danger]{--pin:#ff5a67}.fs-parts{gap:8px;margin:0;padding:0;list-style:none;display:grid}.fs-parts li{gap:10px;display:flex}.fs-parts li>b{background:var(--fs-yellow);width:20px;height:20px;color:var(--fs-ink);font-family:var(--fs-impact);border-radius:4px;flex-shrink:0;place-items:center;margin-top:1px;font-size:12px;font-weight:400;display:grid;transform:skew(-10deg)}.fs-parts strong{color:var(--fs-text);font-size:13.5px;font-weight:600;display:block}.fs-parts span{color:var(--fs-muted);font-size:12.5px;line-height:1.45;display:block}.fs-pin b{font:inherit;display:block}.fs-pin small:empty{display:none}.fs-pin small{color:#a8a8a2;letter-spacing:.08em;margin-top:3px;font-size:8.5px;font-weight:500;display:block}.fs-pin[data-tone=ink]{--pin:#f5f5f0}@media (max-width:719px){.fs-pin small{letter-spacing:.04em;margin-top:2px;font-size:7.5px}}.fs-basics{gap:12px;display:grid}.fs-basics-lesson{margin:2px 0 0;font-size:26px}.fs-basics-step{animation:fs-rise .4s var(--fs-ease) both}.fs-basics-step .fs-card-title{margin-top:2px}.fs-basics-step .fs-checks{margin-top:12px}.fs-basics .fs-next:disabled{opacity:.6;cursor:default}.fs-basics-all{margin-top:10px}.fs-basics-list{gap:2px;margin:0;padding:0;list-style:none;display:grid}.fs-basics-list button{isolation:isolate;width:100%;color:var(--fs-body);text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:10px;padding:8px 10px;display:flex;position:relative}.fs-basics-list button:before{content:"";z-index:-1;border-radius:8px;transition:background .2s;position:absolute;inset:2px;transform:skew(-9deg)}.fs-basics-list button:hover:before{background:#ffffff0d}.fs-basics-list button[aria-current=step]:before{background:var(--fs-wash);box-shadow:inset 0 0 0 1px #ffbb0059}.fs-basics-name{flex:1;gap:2px;display:grid}.fs-basics-name b{font-size:13.5px;font-weight:600}.fs-basics-name small{color:var(--fs-dim);font-size:11.5px}.fs-basics-list svg{color:var(--fs-yellow)}