.diagram[data-v-6d8b7e29]{width:100%;height:100%}.light-rays path[data-v-6d8b7e29]{stroke-dasharray:9 9;animation:ray-in-6d8b7e29 .9s ease-out both}.light-rays path[data-v-6d8b7e29]:nth-child(2){animation-delay:.12s}.person-measures[data-v-6d8b7e29],.building-measures[data-v-6d8b7e29]{opacity:.38;transition:opacity .35s ease}.person-measures.active[data-v-6d8b7e29],.building-measures.active[data-v-6d8b7e29]{opacity:1}.measure-label[data-v-6d8b7e29]{paint-order:stroke;stroke:#fff;stroke-width:7px;stroke-linejoin:round}.reveal-card[data-v-6d8b7e29],.rule-transfer[data-v-6d8b7e29]{animation:diagram-reveal-6d8b7e29 .48s ease-out both}@keyframes ray-in-6d8b7e29{0%{stroke-dashoffset:180;opacity:0}to{stroke-dashoffset:0;opacity:1}}@keyframes diagram-reveal-6d8b7e29{0%{opacity:0}to{opacity:1}}@media(prefers-reduced-motion:reduce){.light-rays path[data-v-6d8b7e29],.reveal-card[data-v-6d8b7e29],.rule-transfer[data-v-6d8b7e29]{animation:none}}.route-map[data-v-14dc4115]{width:100%;height:100%}.lit-perimeter[data-v-14dc4115]{opacity:.28;filter:drop-shadow(0 0 7px rgba(255,216,77,.65))}.street-lights[data-v-14dc4115]{filter:drop-shadow(0 0 7px rgba(255,216,77,.95))}.route[data-v-14dc4115]{fill:none;stroke-width:11;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;animation:draw-route-14dc4115 1.35s ease-out both}.route--lit[data-v-14dc4115]{stroke:#ffd84d;filter:drop-shadow(0 0 5px rgba(255,216,77,.75))}.route--dark[data-v-14dc4115]{stroke:#91a2c1;animation-delay:.22s}.answer[data-v-14dc4115]{animation:answer-in-14dc4115 .38s ease-out both}@keyframes draw-route-14dc4115{0%{stroke-dashoffset:1}to{stroke-dashoffset:0}}@keyframes answer-in-14dc4115{0%{opacity:0;transform:translateY(9px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.route[data-v-14dc4115],.answer[data-v-14dc4115]{animation:none}}.diagram[data-v-7fc22384]{width:100%;height:100%}.reveal[data-v-7fc22384]{animation:reveal-7fc22384 .45s ease-out both}@keyframes reveal-7fc22384{0%{opacity:0;transform:translateY(-14px)}to{opacity:1;transform:translateY(0)}}.diagram[data-v-82fee7d6],.diagram[data-v-7bd454c1]{width:100%;height:100%}.signal[data-v-7bd454c1]{animation:pulse-7bd454c1 1.5s ease-in-out infinite;transform-origin:430px 170px}@keyframes pulse-7bd454c1{0%,48%,to{opacity:.15}55%,75%{opacity:1}}@media(prefers-reduced-motion:reduce){.signal[data-v-7bd454c1]{animation:none;opacity:1}}.diagram[data-v-85d4a573],.diagram[data-v-8f52d7e1]{width:100%;height:100%}.scene-in[data-v-8f52d7e1]{animation:scene-in-8f52d7e1 .5s ease-out both}@keyframes scene-in-8f52d7e1{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.diagram[data-v-93cf0c20],.diagram[data-v-f0400729]{width:100%;height:100%}.circle-pieces[data-v-f0400729],.arrangement[data-v-f0400729]{animation:pieces-in-f0400729 .65s ease-out both}.arrangement[data-v-f0400729]{animation-delay:.15s}@keyframes pieces-in-f0400729{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.circle-pieces[data-v-f0400729],.arrangement[data-v-f0400729]{animation:none}}.worksheet-preview[data-v-a8c48b67]{width:100%;max-width:760px;aspect-ratio:297 / 210;overflow:hidden;background:#fff;box-shadow:0 18px 50px #17191429;border:1px solid #d9ddd5}.worksheet-preview svg[data-v-a8c48b67]{width:100%;height:100%}.worksheet-page[data-v-a8c48b67]{display:none}@media print{@page{size:A4 landscape;margin:0}.worksheet-page[data-v-a8c48b67]{display:block;position:relative;width:297mm;height:210mm;padding:12mm 14mm 9mm;overflow:hidden;color:#111;background:#fff}.worksheet-header[data-v-a8c48b67]{display:flex;align-items:flex-start;justify-content:space-between;height:24mm;border-bottom:.7mm solid #111}.worksheet-kicker[data-v-a8c48b67]{margin:0 0 1mm;font-size:3mm;font-weight:800}.worksheet-header h1[data-v-a8c48b67]{margin:0;font-family:Rubik,Arial,sans-serif;font-size:9mm;line-height:1}.print-note[data-v-a8c48b67]{margin:0;font-size:3.2mm;line-height:1.45;text-align:right}.worksheet-body[data-v-a8c48b67]{display:grid;grid-template-columns:146mm 1fr;gap:8mm;align-items:center;height:146mm}.measure-circle[data-v-a8c48b67]{position:relative;width:140mm;height:140mm;border:1.2mm solid #111;border-radius:50%;background:#fff}.center-dot[data-v-a8c48b67]{position:absolute;left:50%;top:50%;width:2mm;height:2mm;border-radius:50%;background:#111;transform:translate(-50%,-50%)}.radius-line[data-v-a8c48b67]{position:absolute;left:50%;top:calc(50% - .3mm);width:70mm;height:.6mm;background:#111}.worksheet-steps[data-v-a8c48b67]{align-self:stretch;padding-top:8mm}.worksheet-steps ol[data-v-a8c48b67]{margin:0 0 12mm;padding-left:7mm;font-size:4mm;font-weight:700;line-height:1.9}.answer-line[data-v-a8c48b67]{margin-top:8mm;font-size:3.6mm;font-weight:700}.answer-line i[data-v-a8c48b67]{display:block;height:7mm;border-bottom:.5mm solid #111}.calculation[data-v-a8c48b67]{display:flex;align-items:flex-end;gap:2mm;margin-top:10mm;font-size:4mm}.calculation i[data-v-a8c48b67]{width:15mm;height:7mm;border-bottom:.5mm solid #111}.physical-ruler[data-v-a8c48b67]{position:absolute;left:18mm;bottom:9mm;display:flex;width:230mm;height:14mm;border-top:.7mm solid #111}.centimeter[data-v-a8c48b67]{position:relative;width:10mm;height:9mm;border-left:.5mm solid #111}.centimeter[data-v-a8c48b67]:last-of-type{width:0}.centimeter i[data-v-a8c48b67]{position:absolute;top:0;left:calc(var(--tick, 1) * 1mm);width:.25mm;height:2.5mm;background:#111}.centimeter i[data-v-a8c48b67]:nth-of-type(1){left:1mm}.centimeter i[data-v-a8c48b67]:nth-of-type(2){left:2mm}.centimeter i[data-v-a8c48b67]:nth-of-type(3){left:3mm}.centimeter i[data-v-a8c48b67]:nth-of-type(4){left:4mm}.centimeter i[data-v-a8c48b67]:nth-of-type(5){left:5mm}.centimeter i[data-v-a8c48b67]:nth-of-type(6){left:6mm}.centimeter i[data-v-a8c48b67]:nth-of-type(7){left:7mm}.centimeter i[data-v-a8c48b67]:nth-of-type(8){left:8mm}.centimeter i[data-v-a8c48b67]:nth-of-type(9){left:9mm}.centimeter i.middle[data-v-a8c48b67]{height:4.5mm}.cm-number[data-v-a8c48b67]{position:absolute;top:6mm;left:0;font-size:2.8mm;font-weight:700;transform:translate(-50%)}.physical-ruler>b[data-v-a8c48b67]{margin:5.7mm 0 0 4mm;font-size:3mm}.control-line[data-v-a8c48b67]{position:absolute;right:16mm;bottom:25mm;width:10cm;border-top:.7mm solid #111;text-align:center}.control-line span[data-v-a8c48b67]{position:relative;top:2mm;font-size:2.6mm;font-weight:700}}.deck[data-v-7ef3b628]{position:relative;width:100%;height:100dvh;overflow:hidden;background:var(--paper);cursor:pointer;isolation:isolate}.progress-track[data-v-7ef3b628]{position:absolute;z-index:30;top:0;left:0;width:100%;height:5px;background:#1719141f}.progress-track span[data-v-7ef3b628]{display:block;height:100%;background:var(--red);transition:width .35s ease}.deck-brand[data-v-7ef3b628]{position:absolute;z-index:24;top:24px;left:clamp(22px,3.2vw,56px);font-size:13px;font-weight:800;color:var(--ink)}.deck-brand b[data-v-7ef3b628]{color:var(--red)}.brand-light .deck-brand[data-v-7ef3b628]{color:#fff;text-shadow:0 1px 8px rgba(0,0,0,.35)}.slide-stage[data-v-7ef3b628],.slide[data-v-7ef3b628]{width:100%;height:100%}.slide[data-v-7ef3b628]{position:relative;overflow:hidden;padding:68px clamp(30px,5.1vw,88px) 82px;background:var(--paper)}.slide--image[data-v-7ef3b628]{padding:0;color:#fff}.slide-bg[data-v-7ef3b628]{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover}.thales-photo-bg[data-v-7ef3b628]{object-position:center 19%}.thales-photo-title[data-v-7ef3b628]{position:absolute;z-index:4;top:clamp(86px,14vh,132px);left:clamp(30px,5.1vw,88px);max-width:min(650px,50vw);margin:0;color:#fff;font-family:Rubik,Manrope,sans-serif;font-size:clamp(46px,5.2vw,82px);font-weight:700;line-height:.98;text-shadow:0 3px 18px rgba(0,0,0,.55)}.image-shade[data-v-7ef3b628]{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.image-shade--left[data-v-7ef3b628]{background:linear-gradient(90deg,#081911f5,#081911cc,#08191114 68%,#08191100)}.image-shade--soft[data-v-7ef3b628]{background:linear-gradient(90deg,#081911d6,#0819119e 35%,#08191100 64%)}.image-shade--historical[data-v-7ef3b628]{background:linear-gradient(90deg,#19160fe0,#19160fa6 36%,#19160f0d 68%)}.hero-copy[data-v-7ef3b628]{position:absolute;z-index:4;left:clamp(30px,6vw,104px);top:50%;width:min(640px,46vw);transform:translateY(-50%)}.hero-copy h1[data-v-7ef3b628],.slide-header h1[data-v-7ef3b628],.paper-copy h1[data-v-7ef3b628],.microscope-label h1[data-v-7ef3b628],.worksheet-copy h1[data-v-7ef3b628]{margin:0;font-family:Rubik,Manrope,sans-serif;font-weight:700;letter-spacing:0}.hero-copy h1[data-v-7ef3b628]{max-width:640px;font-size:clamp(46px,5.2vw,82px);line-height:.98}.hero-copy h1 span[data-v-7ef3b628]{display:inline-block;margin-top:12px;padding:7px 13px 9px;color:var(--ink);background:var(--yellow);font-family:Manrope,sans-serif;font-size:.55em;line-height:1}.eyebrow[data-v-7ef3b628]{margin:0 0 13px;color:var(--blue);font-size:14px;font-weight:800;letter-spacing:0}.hero-copy .eyebrow[data-v-7ef3b628]{color:var(--yellow)}.eyebrow--red[data-v-7ef3b628]{color:var(--red)!important}.eyebrow--green[data-v-7ef3b628]{color:var(--green)!important}.eyebrow--blue[data-v-7ef3b628]{color:#76a6ff!important}.eyebrow--yellow[data-v-7ef3b628]{color:#b48500!important}.hero-lead[data-v-7ef3b628]{max-width:600px;margin:25px 0 0;font-size:clamp(21px,2vw,31px);line-height:1.38}.hero-lead strong[data-v-7ef3b628]{color:var(--yellow)}.nature-notes[data-v-7ef3b628]{position:absolute;z-index:5;right:clamp(26px,4vw,70px);bottom:76px;display:grid;grid-template-columns:1fr 1fr;gap:8px;width:min(420px,36vw);color:var(--ink)}.nature-notes>div[data-v-7ef3b628]{padding:15px 18px;background:#ffffffeb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.nature-notes b[data-v-7ef3b628],.nature-notes span[data-v-7ef3b628]{display:block}.nature-notes b[data-v-7ef3b628]{font-size:30px}.nature-notes span[data-v-7ef3b628]{font-size:13px;font-weight:700}.nature-notes small[data-v-7ef3b628]{grid-column:1 / -1;padding:9px 12px;color:#fff;background:#171914db;font-weight:700;text-align:center}.hero-copy--logic h1[data-v-7ef3b628]{color:var(--yellow);font-size:clamp(68px,8vw,128px)}.greek-note[data-v-7ef3b628]{max-width:560px;margin:22px 0 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.45);font-size:clamp(16px,1.35vw,21px);line-height:1.45}.shout[data-v-7ef3b628]{position:absolute;z-index:5;right:5vw;top:9vh;padding:13px 19px;border:4px solid var(--ink);color:var(--ink);background:var(--yellow);font-family:Rubik,sans-serif;font-size:clamp(19px,2vw,30px);font-weight:700;transform:rotate(3deg)}.slide-header[data-v-7ef3b628]{position:relative;z-index:4;max-width:1120px;padding-top:12px}.slide-header--row[data-v-7ef3b628]{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;max-width:none}.slide-header h1[data-v-7ef3b628]{max-width:1000px;font-size:clamp(34px,3.55vw,58px);line-height:1.04}.header-question[data-v-7ef3b628]{flex:0 0 310px;margin:0 0 4px;color:var(--muted);font-size:16px;font-weight:700;line-height:1.45}.diagram-area[data-v-7ef3b628]{position:absolute;z-index:1;left:clamp(24px,4vw,72px);right:clamp(24px,4vw,72px);top:180px;bottom:66px}.diagram-area--shadow[data-v-7ef3b628]{top:170px;bottom:82px}.diagram-area--route[data-v-7ef3b628]{top:215px;bottom:70px}.diagram-area--wheel[data-v-7ef3b628]{top:175px;bottom:82px}.diagram-area--hills[data-v-7ef3b628]{top:178px;bottom:62px}.diagram-area--computer[data-v-7ef3b628]{top:166px;bottom:92px}.diagram-area--rolling[data-v-7ef3b628]{top:180px;bottom:62px}.diagram-area--earth[data-v-7ef3b628]{top:172px;bottom:58px}.diagram-area--earth-total[data-v-7ef3b628]{top:168px;bottom:52px}.diagram-area--circle[data-v-7ef3b628]{top:175px;bottom:55px}.diagram-area--slices[data-v-7ef3b628]{top:169px;bottom:60px}.earth-photo-bg[data-v-7ef3b628]{object-position:center}.slide--alexandria-photo .earth-photo-bg[data-v-7ef3b628]{object-position:48% center}.earth-photo-shade[data-v-7ef3b628]{background:linear-gradient(180deg,#0c0e0be0,#0c0e0b8f 24%,#0c0e0b1f,#0c0e0b00 62%),linear-gradient(90deg,#0c0e0b57,#0c0e0b00 64%)}.earth-photo-header[data-v-7ef3b628]{position:absolute;top:68px;left:clamp(30px,5.1vw,88px);right:clamp(30px,5.1vw,88px);color:#fff;text-shadow:0 2px 14px rgba(0,0,0,.45)}.earth-photo-header .eyebrow--yellow[data-v-7ef3b628]{color:#ffd84d!important}.earth-photo-header .header-question[data-v-7ef3b628]{color:#ffffffdb}.scaphis-callout[data-v-7ef3b628]{position:absolute;z-index:5;left:clamp(30px,5.1vw,88px);bottom:76px;display:grid;gap:2px;padding:11px 17px 12px;border:4px solid var(--ink);color:var(--ink);background:var(--yellow);box-shadow:6px 6px #171914b8}.scaphis-callout strong[data-v-7ef3b628]{font-family:Rubik,Manrope,sans-serif;font-size:25px;line-height:1}.scaphis-callout span[data-v-7ef3b628]{font-size:13px;font-weight:800}.slide--formula .diagram-area--slices[data-v-7ef3b628]{top:210px;bottom:126px}.answer-strip[data-v-7ef3b628]{position:absolute;z-index:6;left:clamp(32px,5vw,86px);right:clamp(32px,5vw,86px);bottom:70px;display:grid;grid-template-columns:minmax(280px,.85fr) 1.15fr;gap:25px;align-items:center;padding:15px 20px;border:4px solid var(--ink);background:#fff;box-shadow:8px 8px 0 var(--ink);animation:rise-in-7ef3b628 .42s ease-out both}.answer-strip strong[data-v-7ef3b628]{font-size:20px;line-height:1.25}.answer-strip span[data-v-7ef3b628]{color:var(--muted);font-size:15px;font-weight:700;line-height:1.45}.answer-strip--green[data-v-7ef3b628]{border-left:14px solid var(--green)}.answer-strip--red[data-v-7ef3b628]{border-left:14px solid var(--red)}.slide--paper[data-v-7ef3b628]{display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:4vw;background-color:#f7f7f2;background-image:linear-gradient(#e8ebe4 1px,transparent 1px),linear-gradient(90deg,#e8ebe4 1px,transparent 1px);background-size:34px 34px}.paper-copy[data-v-7ef3b628]{position:relative;z-index:2}.paper-copy h1[data-v-7ef3b628]{max-width:670px;font-size:clamp(48px,5vw,78px);line-height:1.02}.paper-copy>p[data-v-7ef3b628]:last-child{max-width:540px;margin:26px 0 0;color:var(--muted);font-size:clamp(20px,1.8vw,28px);font-weight:600;line-height:1.4}.paper-scene[data-v-7ef3b628]{position:relative;height:min(64vh,560px)}.single-paper[data-v-7ef3b628]{position:absolute;left:4%;right:13%;bottom:23%;height:11px;border:3px solid var(--ink);background:#fff;box-shadow:0 24px 40px #1719141a;transform:rotate(-4deg)}.single-paper span[data-v-7ef3b628]{position:absolute;left:34%;bottom:24px;padding:8px 12px;background:#fff;font-size:17px;font-weight:800}.upright-ruler[data-v-7ef3b628]{position:absolute;right:7%;top:4%;width:94px;height:84%;border:5px solid var(--ink);background:var(--yellow)}.upright-ruler span[data-v-7ef3b628]{display:block;width:35px;height:calc(100% / 11);border-bottom:3px solid var(--ink)}.upright-ruler span.major[data-v-7ef3b628]{width:58px}.upright-ruler b[data-v-7ef3b628]{position:absolute;top:52%;right:-5px;padding:5px 8px;color:#fff;background:var(--ink);font-size:16px;transform:translate(100%)}.too-thin[data-v-7ef3b628]{position:absolute;left:11%;bottom:4%;padding:12px 17px;border:4px solid var(--ink);background:var(--red);color:#fff;font-size:clamp(18px,1.6vw,25px);font-weight:800;transform:rotate(2deg)}.question-mark[data-v-7ef3b628]{position:absolute;right:2vw;top:1vh;color:#2764e71c;font-family:Rubik,sans-serif;font-size:48vh;font-weight:700;line-height:1}.slide--microscope .slide-bg[data-v-7ef3b628]{object-position:center}.microscope-label[data-v-7ef3b628]{position:absolute;z-index:3;top:62px;left:clamp(32px,5vw,85px);max-width:520px}.microscope-label h1[data-v-7ef3b628]{max-width:520px;color:var(--ink);font-size:clamp(35px,3.4vw,55px);line-height:1.03}.paper-answer[data-v-7ef3b628]{position:absolute;z-index:5;left:clamp(32px,5vw,85px);bottom:65px;width:min(600px,48vw);padding:22px 25px;border:5px solid var(--ink);background:#fffffff5;box-shadow:10px 10px 0 var(--ink);color:var(--ink);animation:rise-in-7ef3b628 .45s ease-out both}.paper-answer h2[data-v-7ef3b628]{margin:0 0 14px;font-family:Rubik,sans-serif;font-size:clamp(28px,2.7vw,43px);letter-spacing:0}.paper-answer>p[data-v-7ef3b628]:last-child{margin:14px 0 0;color:var(--muted);font-size:16px;font-weight:700;line-height:1.4}.paper-equation[data-v-7ef3b628]{display:flex;align-items:center;gap:12px;font-size:clamp(22px,2.2vw,34px)}.paper-equation strong[data-v-7ef3b628]{padding:6px 10px;background:var(--yellow)}.fraction-result[data-v-7ef3b628]{display:inline-flex;align-items:center;gap:7px;min-height:1.75em}.stacked-fraction[data-v-7ef3b628]{display:inline-grid;min-width:1.15em;font-size:.72em;line-height:.9;text-align:center}.stacked-fraction>span[data-v-7ef3b628]:first-child{padding:0 3px 3px;border-bottom:3px solid currentColor}.stacked-fraction>span[data-v-7ef3b628]:last-child{padding-top:3px}.slide--route[data-v-7ef3b628]{background:#eff0ec}.formula-line[data-v-7ef3b628]{position:absolute;z-index:4;left:50%;bottom:61px;display:flex;align-items:center;gap:14px;padding:11px 18px;border:3px solid var(--ink);background:#fff;font-size:clamp(15px,1.35vw,21px);transform:translate(-50%);white-space:nowrap}.formula-line strong[data-v-7ef3b628]{padding:4px 8px;background:var(--yellow)}.hero-copy--historical h1[data-v-7ef3b628]{color:var(--yellow)}.historical-tag[data-v-7ef3b628]{position:absolute;z-index:4;left:clamp(30px,6vw,104px);bottom:58px;display:inline-flex;align-items:center;gap:10px;padding:10px 14px;color:var(--ink);background:#fff;font-size:15px;font-weight:800}.area-formula[data-v-7ef3b628]{position:absolute;z-index:6;left:50%;bottom:62px;display:flex;align-items:center;gap:14px;width:max-content;max-width:85vw;padding:14px 20px;border:4px solid var(--ink);background:var(--yellow);box-shadow:8px 8px 0 var(--ink);transform:translate(-50%);animation:answer-pop-7ef3b628 .42s ease-out both}.area-formula span[data-v-7ef3b628]{font-size:17px;font-weight:800}.area-formula b[data-v-7ef3b628]{font-size:clamp(17px,1.5vw,23px)}.area-formula strong[data-v-7ef3b628]{color:var(--red);font-size:30px}.slide--worksheet[data-v-7ef3b628]{display:grid;grid-template-columns:.72fr 1.28fr;gap:clamp(38px,6vw,100px);align-items:center;background:#e9f3eb}.worksheet-copy[data-v-7ef3b628]{padding-left:1vw}.worksheet-copy h1[data-v-7ef3b628]{max-width:570px;font-size:clamp(42px,4.3vw,69px);line-height:1.02}.worksheet-copy ol[data-v-7ef3b628]{display:grid;gap:12px;margin:25px 0;padding-left:25px;font-size:clamp(16px,1.35vw,21px);font-weight:700;line-height:1.35}.expected-result[data-v-7ef3b628]{margin:25px 0;padding:14px 16px;border-left:8px solid var(--green);background:#fff}.expected-result span[data-v-7ef3b628],.expected-result strong[data-v-7ef3b628]{display:block}.expected-result span[data-v-7ef3b628]{margin-bottom:5px;color:var(--muted);font-size:12px;font-weight:800}.expected-result strong[data-v-7ef3b628]{font-size:clamp(19px,1.7vw,26px)}.print-button[data-v-7ef3b628]{display:inline-flex;align-items:center;justify-content:center;min-height:54px;gap:10px;padding:0 21px;border:4px solid var(--ink);background:var(--yellow);box-shadow:5px 5px 0 var(--ink);font-weight:800;cursor:pointer}.print-button[data-v-7ef3b628]:active{transform:translate(3px,3px);box-shadow:2px 2px 0 var(--ink)}.print-button[data-v-7ef3b628]:focus-visible{outline:4px solid var(--blue);outline-offset:4px}.worksheet-visual[data-v-7ef3b628]{display:grid;justify-items:center;gap:12px}.worksheet-visual>p[data-v-7ef3b628]{margin:0;color:var(--muted);font-size:13px;font-weight:700;text-align:center}.slide-counter[data-v-7ef3b628]{position:absolute;z-index:26;left:clamp(22px,3.2vw,56px);bottom:26px;display:flex;align-items:baseline;gap:6px;min-width:74px;font-size:13px;font-weight:700;transition:opacity .25s ease}.slide-counter b[data-v-7ef3b628]{font-size:22px}.slide-counter span[data-v-7ef3b628]{color:var(--muted)}.deck-controls[data-v-7ef3b628]{position:absolute;z-index:26;right:clamp(20px,3vw,50px);bottom:19px;display:flex;border:2px solid var(--ink);background:#fffffff0;box-shadow:4px 4px 0 var(--ink);transition:opacity .25s ease,transform .25s ease}.deck-controls button[data-v-7ef3b628]{display:grid;place-items:center;width:47px;height:47px;padding:0;border:0;border-right:2px solid var(--ink);background:transparent;cursor:pointer}.deck-controls button[data-v-7ef3b628]:last-child{border-right:0}.deck-controls button[data-v-7ef3b628]:hover:not(:disabled){background:var(--yellow)}.deck-controls button[data-v-7ef3b628]:disabled{color:#aab0a8;cursor:default}.deck-controls button[data-v-7ef3b628]:focus-visible{position:relative;z-index:2;outline:4px solid var(--blue);outline-offset:-4px}.controls-hidden .deck-controls[data-v-7ef3b628],.controls-hidden .slide-counter[data-v-7ef3b628]{opacity:.16}.controls-hidden .deck-controls[data-v-7ef3b628]{transform:translateY(8px)}.print-root[data-v-7ef3b628]{position:absolute;left:-200vw;top:0}.slide-change-enter-active[data-v-7ef3b628],.slide-change-leave-active[data-v-7ef3b628]{transition:opacity .25s ease,transform .25s ease}.slide-change-enter-from[data-v-7ef3b628]{opacity:0;transform:translate(16px)}.slide-change-leave-to[data-v-7ef3b628]{opacity:0;transform:translate(-12px)}@keyframes rise-in-7ef3b628{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes answer-pop-7ef3b628{0%{opacity:0;transform:translate(-50%,14px) scale(.97)}to{opacity:1;transform:translate(-50%) scale(1)}}@media(max-width:1050px){.slide[data-v-7ef3b628]{padding-left:45px;padding-right:45px}.slide-header h1[data-v-7ef3b628]{font-size:42px}.header-question[data-v-7ef3b628]{flex-basis:245px;font-size:14px}.diagram-area[data-v-7ef3b628]{left:28px;right:28px}.hero-copy[data-v-7ef3b628]{width:52vw}.nature-notes[data-v-7ef3b628]{width:38vw}.worksheet-copy ol[data-v-7ef3b628]{gap:7px;margin:18px 0}.expected-result[data-v-7ef3b628]{margin:17px 0}}@media(max-width:760px),(orientation:portrait){.deck-brand[data-v-7ef3b628]{top:18px;font-size:11px}.slide--alexandria-photo .earth-photo-bg[data-v-7ef3b628]{object-position:40% center}.slide[data-v-7ef3b628]{padding:58px 20px 76px}.slide-header[data-v-7ef3b628]{padding-top:7px}.slide-header--row[data-v-7ef3b628]{display:block}.slide-header h1[data-v-7ef3b628]{font-size:31px;line-height:1.05}.eyebrow[data-v-7ef3b628]{margin-bottom:8px;font-size:11px}.header-question[data-v-7ef3b628]{display:none}.diagram-area[data-v-7ef3b628]{left:8px;right:8px;top:178px;bottom:auto;height:calc((100vw - 16px)*.565)}.diagram-area--shadow[data-v-7ef3b628]{top:195px}.diagram-area--route[data-v-7ef3b628]{top:174px}.diagram-area--wheel[data-v-7ef3b628]{top:205px}.diagram-area--hills[data-v-7ef3b628]{top:178px}.diagram-area--computer[data-v-7ef3b628]{top:185px}.diagram-area--rolling[data-v-7ef3b628]{top:190px}.diagram-area--earth[data-v-7ef3b628],.diagram-area--earth-total[data-v-7ef3b628]{top:170px}.diagram-area--circle[data-v-7ef3b628]{top:210px}.diagram-area--slices[data-v-7ef3b628]{top:180px}.slide--formula .diagram-area--slices[data-v-7ef3b628]{top:220px;bottom:auto;height:calc((100vw - 16px)*.565)}.hero-copy[data-v-7ef3b628]{left:22px;top:105px;width:calc(100% - 44px);transform:none}.hero-copy h1[data-v-7ef3b628]{font-size:45px}.hero-copy h1 span[data-v-7ef3b628]{margin-top:8px}.hero-lead[data-v-7ef3b628]{margin-top:16px;font-size:19px}.slide--nature .slide-bg[data-v-7ef3b628]{object-position:68% center}.slide--sparta .slide-bg[data-v-7ef3b628]{object-position:63% center}.slide--thales-photo .slide-bg[data-v-7ef3b628]{object-position:center}.slide--historian .slide-bg[data-v-7ef3b628]{object-position:64% center}.thales-photo-title[data-v-7ef3b628]{top:74px;left:20px;max-width:calc(100% - 40px);font-size:42px}.image-shade--left[data-v-7ef3b628],.image-shade--soft[data-v-7ef3b628],.image-shade--historical[data-v-7ef3b628]{background:linear-gradient(180deg,#081911eb,#081911a8 45%,#0819110f 75%)}.nature-notes[data-v-7ef3b628]{right:18px;bottom:82px;width:calc(100% - 36px)}.nature-notes>div[data-v-7ef3b628]{padding:10px 12px}.nature-notes b[data-v-7ef3b628]{font-size:22px}.nature-notes small[data-v-7ef3b628]{font-size:10px}.hero-copy--logic h1[data-v-7ef3b628]{font-size:66px}.greek-note[data-v-7ef3b628]{margin-top:14px;padding-top:12px;font-size:14px}.shout[data-v-7ef3b628]{right:18px;top:auto;bottom:88px;font-size:17px}.historical-tag[data-v-7ef3b628]{display:none}.answer-strip[data-v-7ef3b628]{left:18px;right:18px;bottom:72px;display:block;padding:11px 13px;box-shadow:5px 5px 0 var(--ink)}.answer-strip strong[data-v-7ef3b628]{display:block;margin-bottom:6px;font-size:15px}.answer-strip span[data-v-7ef3b628]{display:block;font-size:11px}.slide--paper[data-v-7ef3b628]{grid-template-columns:1fr;grid-template-rows:auto 1fr;gap:8px}.paper-copy h1[data-v-7ef3b628]{font-size:40px}.paper-copy>p[data-v-7ef3b628]:last-child{margin-top:12px;font-size:17px}.paper-scene[data-v-7ef3b628]{height:45vh}.upright-ruler[data-v-7ef3b628]{right:14%;width:70px}.upright-ruler b[data-v-7ef3b628]{right:0;transform:translateY(-100%)}.question-mark[data-v-7ef3b628]{font-size:30vh}.microscope-label[data-v-7ef3b628]{top:58px;left:20px;max-width:calc(100% - 40px)}.microscope-label h1[data-v-7ef3b628]{max-width:330px;font-size:32px}.slide--microscope .slide-bg[data-v-7ef3b628]{object-position:69% center}.paper-answer[data-v-7ef3b628]{left:20px;bottom:76px;width:calc(100% - 40px);padding:15px 17px}.paper-answer h2[data-v-7ef3b628]{margin-bottom:9px;font-size:27px}.paper-answer>p[data-v-7ef3b628]:last-child{margin-top:8px;font-size:12px}.paper-equation[data-v-7ef3b628]{gap:7px;font-size:20px}.formula-line[data-v-7ef3b628]{bottom:73px;gap:7px;max-width:calc(100% - 36px);padding:7px 9px;font-size:10px;white-space:normal;text-align:center}.area-formula[data-v-7ef3b628]{bottom:73px;flex-wrap:wrap;justify-content:center;gap:5px 8px;max-width:calc(100% - 36px);padding:9px 12px}.area-formula span[data-v-7ef3b628]{font-size:11px}.area-formula b[data-v-7ef3b628]{font-size:12px}.area-formula strong[data-v-7ef3b628]{font-size:18px}.slide--worksheet[data-v-7ef3b628]{grid-template-columns:1fr;grid-template-rows:auto 1fr;gap:14px;align-items:start}.worksheet-copy[data-v-7ef3b628]{padding:0}.worksheet-copy h1[data-v-7ef3b628]{font-size:35px}.worksheet-copy ol[data-v-7ef3b628]{display:none}.expected-result[data-v-7ef3b628]{margin:12px 0;padding:8px 10px}.expected-result strong[data-v-7ef3b628]{font-size:16px}.print-button[data-v-7ef3b628]{min-height:46px;padding:0 15px;border-width:3px;font-size:13px}.worksheet-visual[data-v-7ef3b628]{align-content:start}.worksheet-visual>p[data-v-7ef3b628]{font-size:10px}.slide-counter[data-v-7ef3b628]{bottom:22px}.deck-controls[data-v-7ef3b628]{right:17px;bottom:16px}.deck-controls button[data-v-7ef3b628]{width:43px;height:43px}}@media(max-height:720px)and (min-width:761px){.slide[data-v-7ef3b628]{padding-top:56px}.deck-brand[data-v-7ef3b628]{top:17px}.slide-header h1[data-v-7ef3b628]{font-size:40px}.eyebrow[data-v-7ef3b628]{margin-bottom:8px}.diagram-area[data-v-7ef3b628]{top:145px;bottom:56px}.paper-answer[data-v-7ef3b628]{bottom:56px;padding:15px 18px}.answer-strip[data-v-7ef3b628]{bottom:58px}.hero-copy h1[data-v-7ef3b628]{font-size:59px}.hero-lead[data-v-7ef3b628]{margin-top:15px;font-size:22px}.nature-notes[data-v-7ef3b628]{bottom:62px}.worksheet-copy ol[data-v-7ef3b628]{margin:15px 0}}@media(prefers-reduced-motion:reduce){[data-v-7ef3b628],[data-v-7ef3b628]:before,[data-v-7ef3b628]:after{scroll-behavior:auto!important;animation-duration:1ms!important;animation-iteration-count:1!important;transition-duration:1ms!important}}@media print{.deck[data-v-7ef3b628]{display:none}.print-root[data-v-7ef3b628]{position:static;display:block}}@font-face{font-family:Manrope;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/manrope-cyrillic-400-normal-BMzJvInZ.woff2) format("woff2"),url(/assets/manrope-cyrillic-400-normal-Dvx59UGC.woff) format("woff")}@font-face{font-family:Manrope;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/manrope-latin-400-normal-PaqtzbVb.woff2) format("woff2"),url(/assets/manrope-latin-400-normal-8tf8FM3T.woff) format("woff")}@font-face{font-family:Manrope;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/manrope-cyrillic-600-normal-DvRl3Mj-.woff2) format("woff2"),url(/assets/manrope-cyrillic-600-normal-It4mZcQk.woff) format("woff")}@font-face{font-family:Manrope;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/manrope-latin-600-normal-4f0koTD-.woff2) format("woff2"),url(/assets/manrope-latin-600-normal-BqgrALkZ.woff) format("woff")}@font-face{font-family:Manrope;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/manrope-cyrillic-700-normal-Dw_fZAg2.woff2) format("woff2"),url(/assets/manrope-cyrillic-700-normal-7JNVKxyl.woff) format("woff")}@font-face{font-family:Manrope;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/manrope-latin-700-normal-BZp_XxE4.woff2) format("woff2"),url(/assets/manrope-latin-700-normal-DGRFkw-m.woff) format("woff")}@font-face{font-family:Manrope;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/manrope-cyrillic-800-normal-AvdZ5mAV.woff2) format("woff2"),url(/assets/manrope-cyrillic-800-normal-BuEMjQU-.woff) format("woff")}@font-face{font-family:Manrope;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/manrope-latin-800-normal-BfWYOv1c.woff2) format("woff2"),url(/assets/manrope-latin-800-normal-uHUdIJgA.woff) format("woff")}@font-face{font-family:Rubik;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/rubik-cyrillic-600-normal-AdySaCq0.woff2) format("woff2"),url(/assets/rubik-cyrillic-600-normal-CtS_KWzi.woff) format("woff")}@font-face{font-family:Rubik;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/rubik-latin-600-normal-7iWW07_k.woff2) format("woff2"),url(/assets/rubik-latin-600-normal-Bd1rsTk4.woff) format("woff")}@font-face{font-family:Rubik;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/rubik-cyrillic-700-normal-DFnztZBh.woff2) format("woff2"),url(/assets/rubik-cyrillic-700-normal-C_jxLOfU.woff) format("woff")}@font-face{font-family:Rubik;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/rubik-latin-700-normal-D-tMm-eS.woff2) format("woff2"),url(/assets/rubik-latin-700-normal-KHOtubUA.woff) format("woff")}:root{font-family:Manrope,Arial,sans-serif;color:#171914;background:#f7f7f2;font-synthesis:none;text-rendering:optimizeLegibility;--ink: #171914;--paper: #f7f7f2;--blue: #2764e7;--red: #e1433f;--yellow: #ffd84d;--green: #37a866;--muted: #687067;--line: #d9ddd5;--night: #24252d;--radius: 6px}*{box-sizing:border-box}html,body,#app{width:100%;min-width:320px;height:100%;margin:0;overflow:hidden}body{min-height:100dvh}button,input{font:inherit}button{color:inherit}svg{display:block}::selection{color:#111;background:var(--yellow)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media print{html,body,#app{height:auto;overflow:visible;background:#fff}}