.public-home{flex-direction:column;min-height:100dvh;padding:0;display:flex}.public-home,.public-home *{box-sizing:border-box}.public-home__shell{flex:1;grid-template-rows:auto minmax(0,1fr);gap:0;width:100%;margin:0;display:grid}.public-home__topbar{z-index:20;border:none;border-bottom:1.5px solid var(--ink);min-height:52px;box-shadow:none;background:var(--paper);border-radius:0;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:16px;padding:10px 24px;display:grid;position:sticky;top:0}.public-home__brand{color:var(--ink);font-family:var(--font-ui);align-items:center;gap:12px;font-size:31px;font-weight:600;line-height:1;text-decoration:none;display:inline-flex}.public-v2__wordmark{object-fit:contain;width:clamp(132px,15vw,182px);height:auto;display:block}.public-v2,.public-v2 *{box-sizing:border-box}.public-v2{min-height:100dvh;color:var(--ink);background:var(--paper);align-content:start;gap:clamp(22px,3.2vw,44px);padding:clamp(14px,2.2vw,28px);display:grid;overflow-x:hidden}.public-v2 h1,.public-v2 h2,.public-v2 p{margin:0}.public-v2__topbar{width:min(100%,1180px);margin:0 auto}.public-v2__toolbar.ui-toolbar{border-color:var(--ink);background:var(--paper);width:100%;min-height:64px;box-shadow:var(--block-sm);grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:clamp(14px,2.4vw,30px);padding:10px 12px 10px 16px;display:grid}.public-v2__toolbar .ui-toolbar__copy{min-width:0}.public-v2__toolbar .ui-toolbar__copy strong{line-height:0;display:block}.public-v2__toolbar .ui-toolbar__actions{grid-column:2/4;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:clamp(12px,2vw,24px);width:100%;display:grid}.public-v2__brand{min-width:0;color:var(--ink);align-items:center;text-decoration:none;display:inline-flex}.public-v2__audience-nav{flex-wrap:wrap;justify-content:center;justify-self:center;align-items:center;gap:clamp(10px,1.8vw,22px);min-width:0;display:flex}.public-v2__audience-nav a,.public-v2__signin-link,.public-v2__footer a,.public-v2-path a,.learn-feedback__action a{color:var(--ink);font-family:var(--font-ui);letter-spacing:0;text-underline-offset:4px;font-size:14px;font-weight:650;text-decoration-thickness:1.5px}.public-v2__audience-nav a:hover,.public-v2__signin-link:hover,.public-v2__footer a:hover,.public-v2-path a:hover,.learn-feedback__action a:hover{color:var(--cobalt)}.public-v2__link-button{text-decoration:none}.public-v2 .ui-button--primary.public-v2__link-button,.public-v2 .ui-button--primary.public-v2__link-button:visited{color:var(--paper)}.public-v2 .ui-button--secondary.public-v2__link-button,.public-v2 .ui-button--secondary.public-v2__link-button:visited{color:var(--ink)}.public-v2__nav,.public-v2__actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.public-v2__nav{justify-content:flex-end}.public-v2__hero{grid-template-columns:minmax(0,.9fr) minmax(390px,1.1fr);align-items:center;gap:clamp(28px,4vw,58px);width:min(100%,1180px);min-height:min(650px,100dvh - 178px);margin:0 auto;display:grid}.public-v2__story{align-content:start;gap:clamp(18px,2.5vw,26px);min-width:0;display:grid}.public-v2__kicker{font-family:var(--font-mono);letter-spacing:0;text-transform:uppercase;color:var(--terra);font-size:clamp(.8rem,1vw,.95rem);line-height:1.3}.public-v2 h1{max-width:14ch;font-family:var(--font-ui);letter-spacing:0;text-wrap:balance;font-size:clamp(3rem,5.7vw,5.7rem);font-weight:700;line-height:.98}.public-v2 h1 em{color:var(--cobalt);font-style:normal;display:inline}.public-v2__lede{max-width:58ch;color:var(--ink-2);font-size:clamp(1.05rem,1.4vw,1.35rem);line-height:1.55}.public-v2-graph{border:1.5px solid var(--ink);background:var(--paper-2);min-width:0;box-shadow:var(--block);border-radius:8px;align-self:center;display:grid;overflow:hidden}.public-v2-graph__chrome{border-bottom:1.5px solid var(--ink);align-items:center;gap:8px;min-width:0;min-height:46px;padding:10px 14px;display:flex}.public-v2-graph__dot{border:1.5px solid var(--ink);background:var(--paper);border-radius:999px;flex:none;width:10px;height:10px}.public-v2-graph__formula{min-width:0;color:var(--ink);font-family:var(--font-formal);text-overflow:ellipsis;white-space:nowrap;margin-left:8px;font-size:14px;font-style:italic;font-weight:650;line-height:1;overflow:hidden}.public-v2-graph__chrome .ui-chip{white-space:nowrap;margin-left:auto}.public-v2-graph__controls{border-bottom:1.5px solid var(--ink);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;display:flex}.public-v2-graph__toggles{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.public-v2-graph__toggles .ui-toggle__copy{font-size:12.5px}.public-v2-graph__svg{cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;background:linear-gradient(180deg, color-mix(in srgb, var(--paper) 96%, white 4%) 0%, color-mix(in srgb, var(--paper-2) 88%, white 12%) 100%);width:100%;height:auto;display:block}.public-v2-graph__svg.is-dragging{cursor:grabbing}.public-v2-graph__svg:focus-visible{outline:3px solid var(--cobalt);outline-offset:-5px}.public-v2-graph__plot-surface{fill:color-mix(in srgb, white 82%, var(--paper) 18%);stroke:color-mix(in srgb, var(--line) 76%, transparent);stroke-width:1px}.public-v2-graph__grid-line{stroke:var(--ink);stroke-opacity:.055;stroke-width:1px}.public-v2-graph__axis{stroke:var(--ink);stroke-width:1.35px}.public-v2-graph__tick,.public-v2-graph__flag-muted,.public-v2-graph__flag-strong{font-family:var(--font-mono);font-size:9.5px}.public-v2-graph__tick{fill:var(--ink-3)}.public-v2-graph__derivative{fill:none;stroke:var(--moss);stroke-dasharray:2 4;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:.5;stroke-width:1.5px}.public-v2-graph__trace{fill:none;stroke:var(--moss);stroke-linecap:round;stroke-linejoin:round;stroke-opacity:.86;stroke-width:1.8px}.public-v2-graph__curve{fill:none;stroke:var(--cobalt);stroke-linecap:round;stroke-linejoin:round;stroke-width:3px}.public-v2-graph__tangent{stroke:var(--terra);stroke-dasharray:4 4;stroke-linecap:round;stroke-opacity:.82;stroke-width:1.5px}.public-v2-graph__triangle{stroke:var(--terra);stroke-opacity:.9;stroke-width:1.25px}.public-v2-graph__slope-dot{fill:var(--paper);stroke:var(--moss);stroke-width:1.5px}.public-v2-graph__point-hit{fill:#0000;stroke:#0000}.public-v2-graph__point-core{fill:var(--cobalt);stroke:var(--paper);stroke-width:2px}.public-v2-graph__point-ring{fill:none;stroke:var(--cobalt);stroke-opacity:.5;stroke-width:1.5px}.public-v2-graph__flag{fill:color-mix(in srgb, white 82%, var(--paper) 18%);stroke:var(--ink);stroke-width:1.2px}.public-v2-graph__flag-muted{fill:var(--ink-3)}.public-v2-graph__flag-strong{fill:var(--ink);font-weight:750}.public-v2-graph__readouts{border-top:1.5px solid var(--ink);grid-template-columns:1fr 1fr 1.2fr;display:grid}.public-v2-graph__cell{border-right:1.5px solid var(--line);gap:4px;min-width:0;padding:12px 16px;display:grid}.public-v2-graph__cell:last-child{border-right:0}.public-v2-graph__cell span{color:var(--ink-3);font-family:var(--font-mono);letter-spacing:0;text-transform:uppercase;font-size:9.5px;font-weight:750;line-height:1}.public-v2-graph__cell strong{color:var(--ink);font-family:var(--font-mono);font-size:17px;line-height:1}.public-v2-graph__cell--primary{background:var(--ink);color:var(--paper)}.public-v2-graph__cell--primary span{color:color-mix(in srgb, var(--paper) 70%, var(--ink))}.public-v2-graph__cell--primary strong{color:var(--paper)}.public-v2-graph__scrub{border-top:1.5px solid var(--line);align-items:center;gap:8px;padding:10px 14px;display:flex}.public-v2-graph__range{flex:1;min-width:90px}.public-v2__hop-path{border-top:1.5px solid var(--line-2);gap:clamp(14px,2.2vw,24px);width:min(100%,1180px);margin:0 auto;padding-top:clamp(18px,3vw,30px);display:grid}.public-v2__section-copy{grid-template-columns:minmax(240px,.38fr) minmax(0,1fr);align-items:end;gap:10px clamp(18px,3vw,34px);min-width:0;display:grid}.public-v2__section-copy .ui-chip{grid-column:1/-1;width:max-content}.public-v2__section-copy h2,.public-v2__manifesto h2{max-width:18ch;font-family:var(--font-ui);letter-spacing:0;text-wrap:balance;font-size:clamp(2rem,3vw,3.1rem);font-weight:700;line-height:1}.public-v2__section-copy p{max-width:68ch;color:var(--ink-2);font-size:15.5px;line-height:1.55}.public-v2__stage-rail{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.public-v2__stage-rail .learn-stage-rail__item{border-color:var(--ink);background:color-mix(in srgb, var(--paper) 88%, white 12%);grid-template-columns:1fr;align-items:start;gap:14px;min-height:118px;padding:16px}.public-v2__stage-rail .learn-stage-rail__index{width:38px;height:38px;font-size:13px}.public-v2__stage-rail .learn-stage-rail__copy{gap:4px}.public-v2__stage-rail .learn-stage-rail__copy strong{color:var(--ink);font-family:var(--font-ui);font-size:18px;line-height:1}.public-v2__stage-rail .learn-stage-rail__copy small{color:var(--ink-2);font-size:14px}.public-v2__stage-rail .learn-status--complete{background:color-mix(in srgb, var(--moss-soft) 38%, var(--paper))}.public-v2__stage-rail .learn-status--active{background:color-mix(in srgb, var(--cobalt-soft) 36%, var(--paper));box-shadow:var(--block-sm)}.public-v2-algebra{gap:clamp(12px,2vw,18px);min-width:0;display:grid}.public-v2-algebra__workspace{border:1.5px solid var(--ink);background:linear-gradient(color-mix(in srgb, var(--paper) 92%, white 8%), color-mix(in srgb, var(--paper) 92%, white 8%)), var(--paper);box-shadow:var(--block);gap:16px;min-width:0;padding:clamp(14px,2.5vw,22px);display:grid}.public-v2-algebra__header,.public-v2-algebra__equation-row,.public-v2-algebra__pans{gap:12px;min-width:0;display:grid}.public-v2-algebra__header{border-bottom:1.5px solid var(--line);grid-template-columns:minmax(0,1fr) auto;align-items:start;padding-bottom:14px}.public-v2-algebra__eyebrow,.public-v2-algebra__starting,.public-v2-algebra__pan>span{font-family:var(--font-mono);letter-spacing:0;text-transform:uppercase;color:var(--ink-2);font-size:12px;line-height:1.2}.public-v2-algebra__header h3{max-width:22ch;font-family:var(--font-ui);letter-spacing:0;margin-top:5px;font-size:clamp(1.6rem,2.4vw,2.4rem);line-height:1}.public-v2-algebra__equation-row{grid-template-columns:minmax(240px,.52fr) minmax(0,1fr);align-items:center}.public-v2-algebra__equation-slot.learn-answer-slot{background:var(--paper);min-height:76px;box-shadow:var(--block-sm)}.public-v2-algebra__equation-slot .learn-answer-slot__value{font-family:var(--font-ui);font-size:clamp(1.35rem,2.2vw,2rem);font-style:italic}.public-v2-algebra__starting{border-top:1.5px solid var(--line);border-bottom:1.5px solid var(--line);text-align:right;justify-self:end;max-width:100%;padding:9px 0}.public-v2-algebra__pans{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:stretch}.public-v2-algebra__pan{border:1.5px solid var(--ink);background:color-mix(in srgb, var(--paper) 86%, white 14%);grid-template-rows:auto 1fr;gap:12px;min-height:238px;padding:14px;display:grid}.public-v2-algebra__tile-grid{flex-wrap:wrap;place-content:center;align-items:center;gap:8px;min-width:0;display:flex}.public-v2-algebra__tile{border:1.5px solid var(--ink);border-radius:var(--r-sm);background:var(--moss-soft);min-width:42px;height:42px;box-shadow:var(--block-sm);color:var(--ink);font-family:var(--font-ui);touch-action:none;cursor:grab;place-items:center;font-size:16px;font-weight:600;display:grid}.public-v2-algebra__tile[data-kind=x][data-sign="1"]{background:var(--cobalt-soft)}.public-v2-algebra__tile[data-sign="-1"]{background:var(--terra-soft)}.public-v2-algebra__tile[data-dragging=true]{opacity:.42}.public-v2-algebra__tile[data-flipping=true]{outline:3px solid color-mix(in srgb, var(--cobalt) 62%, transparent);outline-offset:2px}.public-v2-algebra__tile--ghost{z-index:40;pointer-events:none;position:fixed;transform:translate(-50%,-50%)}.public-v2-algebra__feedback.learn-feedback{background:var(--paper);box-shadow:var(--block-sm)}.public-v2-preview-bridge{width:100%;min-width:0}.public-v2-teacher{border:1.5px solid var(--ink);background:color-mix(in srgb, var(--paper) 92%, white 8%);box-shadow:var(--block);border-radius:8px;gap:16px;padding:clamp(14px,2.5vw,22px);display:grid}.public-v2-teacher__header{gap:10px;max-width:720px;display:grid}.public-v2-teacher__header h3{font-family:var(--font-ui);letter-spacing:0;margin:0;font-size:clamp(1.6rem,2.4vw,2.4rem);line-height:1}.public-v2-teacher__header p{color:var(--ink-2);line-height:1.55}.public-v2-teacher__board{grid-template-columns:minmax(0,1fr) minmax(240px,.45fr);gap:14px;display:grid}.public-v2-teacher__rail.public-v2__stage-rail{grid-template-columns:repeat(2,minmax(0,1fr))}.public-v2-teacher__rows{gap:10px;display:grid}.public-v2-teacher__row{border:1.5px solid var(--ink);background:var(--paper);box-shadow:var(--block-sm);border-radius:8px;gap:5px;padding:14px;display:grid}.public-v2-teacher__row[data-tone=moss]{background:color-mix(in srgb, var(--moss-soft) 34%, var(--paper))}.public-v2-teacher__row[data-tone=cobalt]{background:color-mix(in srgb, var(--cobalt-soft) 34%, var(--paper))}.public-v2-teacher__row[data-tone=terra]{background:color-mix(in srgb, var(--terra-soft) 34%, var(--paper))}.public-v2-teacher__row span{font-family:var(--font-mono);text-transform:uppercase;color:var(--ink-2);font-size:11px}.public-v2-teacher__row strong{font-family:var(--font-ui);font-size:20px;line-height:1}.public-v2-teacher__row small{color:var(--ink-2);line-height:1.35}.public-v2__paths{grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(14px,2vw,20px);width:100%;display:grid}.public-v2-path{min-width:0;min-height:198px}.public-v2-path .ui-frame__body{align-content:start;gap:14px;display:grid}.public-v2-path h2{font-family:var(--font-ui);letter-spacing:0;font-size:clamp(1.5rem,2vw,2rem);font-weight:700;line-height:1}.public-v2-path p{color:var(--ink-2);font-size:15px;line-height:1.5}.public-v2__manifesto{border-top:1.5px solid var(--line-2);border-bottom:1.5px solid var(--line-2);grid-template-columns:minmax(0,.9fr) minmax(320px,.7fr);align-items:start;gap:clamp(18px,3vw,36px);width:min(100%,1180px);margin:0 auto;padding-block:clamp(20px,3vw,34px);display:grid}.public-v2__manifesto h2{max-width:21ch;font-size:clamp(2rem,3vw,3rem)}.public-v2__manifesto .learn-feedback{background:var(--paper);box-shadow:var(--block-sm);align-self:start}.public-v2__footer{border-top:1.5px solid var(--line);justify-content:space-between;align-items:center;gap:16px;width:min(100%,1180px);margin:0 auto;padding:18px 0 8px;display:flex}.public-v2__footer-wordmark{width:clamp(118px,12vw,156px);height:auto}.public-v2__footer nav{flex-wrap:wrap;justify-content:flex-end;gap:16px;display:flex}@media (max-width:980px){.public-v2__toolbar.ui-toolbar,.public-v2__toolbar .ui-toolbar__actions{grid-template-columns:1fr}.public-v2__toolbar .ui-toolbar__actions{grid-column:auto}.public-v2__audience-nav{justify-self:start}.public-v2__hero{grid-template-columns:1fr;min-height:0}.public-v2__story{max-width:720px}.public-v2 h1{max-width:16ch}.public-v2__manifesto,.public-v2-teacher__board,.public-v2-teacher__rail.public-v2__stage-rail,.public-v2__section-copy{grid-template-columns:1fr}.public-v2__stage-rail{grid-template-columns:repeat(2,minmax(0,1fr))}.public-v2-algebra__equation-row,.public-v2-algebra__pans{grid-template-columns:1fr}.public-v2-algebra__starting{text-align:left;justify-self:start}.public-v2__paths{grid-template-columns:1fr}}@media (max-width:680px){.public-v2{gap:28px;padding:14px}.public-v2__toolbar.ui-toolbar{align-items:start}.public-v2__audience-nav,.public-v2__nav{justify-content:flex-start;width:100%}.public-v2__actions{width:100%}.public-v2__actions .public-v2__link-button{flex:180px}.public-v2 h1{font-size:clamp(2.65rem,13vw,4.35rem)}.public-v2__stage-rail,.public-v2-algebra__header{grid-template-columns:1fr}.public-v2-algebra__pan{min-height:188px}.public-v2-graph__chrome,.public-v2-graph__controls,.public-v2-graph__scrub,.public-v2__footer{flex-direction:column;align-items:start}.public-v2-graph__chrome .ui-chip{margin-left:0}.public-v2-graph__controls .ui-segmented{width:100%;overflow-x:auto}.public-v2-graph__toggles{width:100%}.public-v2-graph__readouts{grid-template-columns:1fr}.public-v2-graph__cell{border-right:0;border-bottom:1.5px solid var(--line)}.public-v2-graph__cell:last-child{border-bottom:0}.public-v2-graph__range{flex:none;width:100%}.public-v2__footer nav{justify-content:flex-start}}@media (max-width:430px){.public-v2__nav .public-v2__link-button{flex:120px}}.public-home__mark{flex:none;width:42px;height:42px;display:block}.public-home__nav,.public-home__actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.public-home__info-tabs{background:color-mix(in srgb, white 54%, var(--paper) 46%);justify-content:center;justify-self:center;width:max-content;min-width:0;max-width:100%}.public-home__info-tabs .ui-tabs__tab{font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;font-size:11px}.public-home__nav{justify-content:flex-end}.public-home__tabpage{box-shadow:none;background:var(--hopscotch-page-background);background-size:var(--hopscotch-page-background-size);border:none;border-radius:0;align-items:stretch;padding:clamp(28px,4vw,56px) clamp(28px,5vw,64px);display:grid}.public-home__tabpage--families{background:var(--hopscotch-grid-lines), radial-gradient(circle at 86% 16%, color-mix(in srgb, var(--terra-soft) 86%, transparent) 0 17%, transparent 34%), linear-gradient(135deg, color-mix(in srgb, white 74%, var(--paper) 26%) 0%, color-mix(in srgb, var(--terra-soft) 20%, var(--paper)) 100%);background-size:var(--hopscotch-grid-size), auto, auto}.public-home__tabpage--students{background:var(--hopscotch-grid-lines), radial-gradient(circle at 85% 18%, color-mix(in srgb, var(--cobalt-soft) 82%, transparent) 0 17%, transparent 34%), linear-gradient(135deg, color-mix(in srgb, white 74%, var(--paper) 26%) 0%, color-mix(in srgb, var(--cobalt-soft) 24%, var(--paper)) 100%);background-size:var(--hopscotch-grid-size), auto, auto}.public-home__tabpage--teachers{background:var(--hopscotch-grid-lines), radial-gradient(circle at 86% 18%, color-mix(in srgb, var(--moss-soft) 82%, transparent) 0 17%, transparent 34%), linear-gradient(135deg, color-mix(in srgb, white 74%, var(--paper) 26%) 0%, color-mix(in srgb, var(--moss-soft) 22%, var(--paper)) 100%);background-size:var(--hopscotch-grid-size), auto, auto}.public-home__tabpage--safety{background:var(--hopscotch-grid-lines), radial-gradient(circle at 86% 18%, color-mix(in srgb, var(--butter) 82%, transparent) 0 17%, transparent 34%), linear-gradient(135deg, color-mix(in srgb, white 74%, var(--paper) 26%) 0%, color-mix(in srgb, var(--butter) 24%, var(--paper)) 100%);background-size:var(--hopscotch-grid-size), auto, auto}.public-home__story{align-content:start;gap:20px;min-width:0;display:grid}.public-home__widget{align-self:stretch;gap:var(--s-3);flex-direction:column;display:flex;position:relative}.public-home__widget>.rep,.public-home__widget>.equation-balance{flex:auto}.public-home__widget-success{background:color-mix(in srgb, var(--paper) 92%, transparent);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:5;border-radius:18px;place-items:center;padding:clamp(20px,3vw,36px);animation:.24s ease-out public-home__widget-success-in;display:grid;position:absolute;inset:0}@keyframes public-home__widget-success-in{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.public-home__widget-success__inner{text-align:left;border:1.5px solid var(--ink);background:var(--paper);max-width:420px;box-shadow:var(--block);border-radius:14px;gap:14px;padding:clamp(20px,3vw,32px);display:grid}.public-home__widget-success__eyebrow{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--moss);margin:0;font-size:12px}.public-home__widget-success__title{font-family:var(--font-ui);margin:0;font-size:clamp(1.5rem,2vw,2rem);font-weight:600;line-height:1.1}.public-home__widget-success__body{color:var(--ink-2);margin:0;font-size:14.5px;line-height:1.5}.public-home__widget-success__body code{font-family:var(--font-mono);background:var(--paper-2);border-radius:6px;padding:2px 6px}.public-home__widget-success__actions{flex-wrap:wrap;gap:10px;margin-top:4px;display:flex}.public-home h1,.public-home h2,.public-home h3,.public-home p{margin:0}.public-home h1{max-width:18ch;font-family:var(--font-ui);letter-spacing:0;text-wrap:balance;font-size:clamp(2.6rem,4.2vw,4.8rem);font-weight:600;line-height:1.02}.public-home__lede{max-width:56ch;color:var(--ink-2);font-size:clamp(1.1rem,1.4vw,1.32rem);line-height:1.55}.public-home__story{max-width:640px}.public-home__family-preview{border:1.5px solid var(--ink);background:var(--paper);width:100%;max-width:540px;box-shadow:var(--block);border-radius:18px;flex-direction:column;align-self:stretch;gap:18px;padding:clamp(20px,2.6vw,32px);display:flex}.public-home__family-preview__head{border-bottom:1.5px dashed var(--line-2);gap:6px;padding-bottom:16px;display:grid}.public-home__family-preview__eyebrow{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin:0;font-size:11px}.public-home__family-preview__title{font-family:var(--font-ui);margin:0;font-size:clamp(1.5rem,2vw,1.9rem);font-weight:600;line-height:1.1}.public-home__family-preview__body{gap:16px;display:grid}.public-home__family-preview__section{gap:4px;display:grid}.public-home__family-preview__section-label{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--terra);margin:0;font-size:10.5px}.public-home__family-preview__section-text{color:var(--ink);margin:0;font-size:15px;line-height:1.5}.public-home__family-preview__footer{border-top:1.5px solid var(--line);flex-wrap:wrap;gap:14px;margin-top:4px;padding-top:14px;display:flex}.public-home__family-preview__metric{font-family:var(--font-mono);letter-spacing:.04em;color:var(--ink-2);font-size:12px}.public-home__family-preview__metric strong{font-family:var(--font-ui);color:var(--ink);margin-right:6px;font-size:22px;font-weight:600}.public-home__safety-promises{align-self:start;gap:18px;width:100%;max-width:480px;padding:clamp(8px,1.5vw,16px) 0;display:grid}.public-home__safety-promises__eyebrow{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin:0;font-size:11px}.public-home__safety-promises__list{counter-reset:none;gap:14px;margin:0;padding:0;list-style:none;display:grid}.public-home__safety-promises__item{border:1.5px solid var(--ink);background:var(--paper);box-shadow:var(--block-sm);border-radius:14px;grid-template-columns:auto 1fr;gap:16px;padding:16px 18px;display:grid}.public-home__safety-promises__num{font-family:var(--font-mono);letter-spacing:.04em;color:var(--ink-3);padding-top:4px;font-size:13px;font-weight:600}.public-home__safety-promises__body{gap:6px;display:grid}.public-home__safety-promises__body h3{font-family:var(--font-ui);color:var(--ink);margin:0;font-size:19px;font-weight:600;line-height:1.2}.public-home__safety-promises__body p{color:var(--ink-2);margin:0;font-size:14.5px;line-height:1.5}.public-home__strip-time{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);font-size:11px;margin:0 0 4px!important}.public-home__strip-task{font-family:var(--font-ui);font-size:clamp(1.5rem,2.4vw,2.4rem);font-weight:600;line-height:1.05;margin:0 0 14px!important}.public-home__strip-rows{gap:10px;margin:0;padding:0;list-style:none;display:grid}.public-home__strip-rows li{border-top:1px dashed color-mix(in srgb, var(--ink) 16%, transparent);color:var(--ink-2);grid-template-columns:70px 1fr;align-items:baseline;gap:14px;padding:8px 0;line-height:1.5;display:grid}.public-home__strip-rows li>span:first-child{font-family:var(--font-mono);letter-spacing:.06em;color:var(--ink-3);font-size:12px}.public-home__preview{gap:14px;display:grid}.public-home__preview-problem{gap:6px;display:grid}.public-home__preview-label{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);font-size:11px;margin:0!important}.public-home__preview-symbolic{font-family:var(--font-math);font-size:clamp(2rem,3vw,2.8rem);line-height:1;margin:0!important}.public-home__preview-context{color:var(--ink-2);line-height:1.5;margin:0!important}.public-home__rep-tabs{border:1.5px solid var(--line-2);background:color-mix(in srgb, white 60%, var(--paper) 40%);border-radius:12px;flex-wrap:wrap;gap:6px;padding:4px;display:inline-flex}.public-home__rep-tab{all:unset;cursor:pointer;min-height:32px;font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);border-radius:8px;padding:6px 12px;font-size:11px}.public-home__rep-tab[aria-selected=true],.public-home__rep-tab:hover{background:var(--ink);color:var(--paper)}.public-home__rep-tab:focus-visible{outline:2.5px solid var(--cobalt);outline-offset:2px}.public-home__rep-stage{justify-items:stretch;display:grid}.public-home__rep-stage [aria-label^=Problem\:]{display:none!important}.public-home__rep-stage>.col.gap-5>.prompt{font-family:var(--font-ui)!important;letter-spacing:0!important;color:var(--ink)!important;text-align:left!important;max-width:620px!important;margin:0 0 22px!important;font-size:28px!important;font-weight:500!important;line-height:1.2!important}.public-home__teacher-preview{align-content:start;align-self:stretch;gap:12px;display:grid}.public-home__teacher-preview-frame{border:1.5px solid var(--ink);width:100%;height:clamp(440px,60vh,640px);box-shadow:var(--block);background:var(--paper);isolation:isolate;border-radius:18px;position:relative;overflow:hidden}.public-home__teacher-preview-shell{pointer-events:none;-webkit-user-select:none;user-select:none;transform-origin:0 0;width:128.205%;height:128.205%;position:absolute;inset:0;overflow:hidden;transform:scale(.78)}.public-home__teacher-preview-banner{z-index:2;font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--paper);background:var(--ink);box-shadow:var(--block-sm);border-radius:999px;padding:6px 12px;font-size:11px;position:absolute;bottom:12px;right:12px}.public-home__teacher-preview-skeleton{border:1.5px solid var(--ink);background:var(--paper-2);border-radius:18px;width:100%;height:clamp(440px,60vh,640px)}.public-home__teacher-form{gap:12px;max-width:460px;display:grid}.public-home__teacher-form-label{gap:6px;display:grid}.public-home__teacher-form-label>span{font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-size:11px}.public-home__prose{align-self:start;gap:16px;width:100%;display:grid}.public-home__prose p{color:var(--ink-2);max-width:64ch;margin:0;font-size:clamp(1rem,1.25vw,1.18rem);line-height:1.65}.public-home__prose h1{max-width:18ch;margin:4px 0 8px}@media (min-width:1100px){.public-home__prose{column-count:2;column-fill:balance;column-gap:clamp(28px,4vw,56px)}.public-home__prose h1{column-span:all;margin-bottom:12px}.public-home__prose p{break-inside:avoid;max-width:none}}.public-home__prose a{color:var(--cobalt);text-underline-offset:2px;text-decoration:underline}@media (max-width:980px){.public-home__topbar{grid-template-columns:1fr auto}.public-home__info-tabs{flex-wrap:nowrap;grid-area:2/1/auto/-1;justify-content:flex-start;justify-self:stretch;width:100%;overflow-x:auto}.public-home__info-tabs .ui-tabs__tab{white-space:nowrap}}@media (max-width:760px){.public-home{padding:12px}.public-home__topbar{border-radius:16px;align-items:center;top:6px}.public-home__brand{font-size:26px}.public-home__nav{gap:6px}.public-home__nav .btn{min-height:40px;padding:8px 10px;font-size:13px}.public-home__tabpage{border-radius:22px;padding:20px}.public-home h1{font-size:clamp(2rem,9vw,3.4rem)}.public-home__actions .btn{text-align:center;justify-content:center;width:100%}}@media (max-width:520px){.public-home__nav .btn:first-child,.public-home__signin-link{display:none}.public-home__mark{width:36px;height:36px}}