.zone-col[data-astro-cid-bbi7ynwy] p[data-astro-cid-bbi7ynwy],.zone-col[data-astro-cid-bbi7ynwy] h1[data-astro-cid-bbi7ynwy]{max-width:none}.surface-cream[data-astro-cid-bbi7ynwy]{background-color:var(--color-cream)}.zone-col[data-astro-cid-bbi7ynwy]{max-width:1060px;margin-inline:auto;padding-inline:var(--gutter)}.zone-intro[data-astro-cid-bbi7ynwy]{padding-top:calc(var(--space-section) + 24px);padding-bottom:28px}.page-title[data-astro-cid-bbi7ynwy]{font-family:var(--font-headline);font-weight:900;font-size:var(--size-hero);line-height:var(--lh-hero);letter-spacing:var(--ls-hero);color:var(--color-dark-text);margin-bottom:40px}.intro-lede[data-astro-cid-bbi7ynwy]{font-family:var(--font-body);font-weight:400;font-size:var(--size-lede);line-height:var(--lh-lede);color:var(--color-dark-text);margin-bottom:14px}.intro-body[data-astro-cid-bbi7ynwy]{font-family:var(--font-body);font-weight:400;font-size:var(--size-body);line-height:var(--lh-body);color:var(--color-dark-text);font-optical-sizing:auto;max-width:920px}.section-divider[data-astro-cid-bbi7ynwy]{width:64px;height:3px;background-color:#1a1a2e14;margin-bottom:var(--space-lg)}@media(max-width:640px){.section-divider[data-astro-cid-bbi7ynwy]{width:100%;height:1px;margin-bottom:0}}.zone-group[data-astro-cid-bbi7ynwy]{padding-block:var(--space-section)}.zone-group[data-astro-cid-bbi7ynwy]+.zone-group[data-astro-cid-bbi7ynwy],.zone-group[data-astro-cid-bbi7ynwy]+.zone-homework[data-astro-cid-bbi7ynwy],.zone-homework[data-astro-cid-bbi7ynwy]+.zone-group[data-astro-cid-bbi7ynwy]{padding-top:0;margin-top:-20px}@media(max-width:640px){.zone-group[data-astro-cid-bbi7ynwy],.zone-homework[data-astro-cid-bbi7ynwy]{padding-block:12px!important;margin-top:0!important}}.group-toggle[data-astro-cid-bbi7ynwy]{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;background:none;border:none;cursor:default;text-align:left;padding:0}.group-chevron[data-astro-cid-bbi7ynwy]{display:none;flex-shrink:0;color:var(--color-dark-text);opacity:.4;transition:transform .35s ease}.group-toggle[data-astro-cid-bbi7ynwy][aria-expanded=true] .group-chevron[data-astro-cid-bbi7ynwy]{transform:rotate(180deg)}@media(max-width:640px){.group-toggle[data-astro-cid-bbi7ynwy]{cursor:pointer}.group-chevron[data-astro-cid-bbi7ynwy]{display:block}.group-panel[data-astro-cid-bbi7ynwy]{max-height:0;overflow:hidden;opacity:0;transition:max-height .4s ease,opacity .3s ease}.group-panel[data-astro-cid-bbi7ynwy].is-open{opacity:1}}.group-heading[data-astro-cid-bbi7ynwy]{font-family:var(--font-headline);font-weight:800;font-size:var(--size-section);line-height:var(--lh-section);letter-spacing:var(--ls-section);color:var(--color-dark-text);margin-bottom:var(--space-xl)}@media(max-width:640px){.group-heading[data-astro-cid-bbi7ynwy]{margin-bottom:0}.group-panel[data-astro-cid-bbi7ynwy],.group-panel[data-astro-cid-bbi7ynwy].is-open{margin-top:var(--space-xl)}}.principle-list[data-astro-cid-bbi7ynwy]{max-width:1060px}.principle-rule[data-astro-cid-bbi7ynwy]{height:1px;background:#1a1a2e0f}.principle[data-astro-cid-bbi7ynwy]{display:grid;grid-template-columns:1fr 1.4fr;gap:4px 48px;align-items:start;padding:12px 0}.principle-heading[data-astro-cid-bbi7ynwy]{font-family:var(--font-headline);font-weight:700;font-size:var(--size-subsection);line-height:var(--lh-subsection);letter-spacing:var(--ls-subsection);color:var(--color-dark-text)}.principle-body[data-astro-cid-bbi7ynwy]{font-family:var(--font-body);font-weight:400;font-size:var(--size-body-long);line-height:var(--lh-body-long);color:var(--color-dark-text);font-optical-sizing:auto}.principle-body[data-astro-cid-bbi7ynwy] strong em,.principle-body[data-astro-cid-bbi7ynwy] em strong{font-weight:700;font-style:italic}@media(max-width:640px){.principle[data-astro-cid-bbi7ynwy]{grid-template-columns:1fr;gap:6px;padding:14px 0}}.principle-heading[data-astro-cid-bbi7ynwy] mark[data-astro-cid-bbi7ynwy]{background-color:var(--color-highlight);color:inherit;padding:.1em 0;box-shadow:.25em 0 0 var(--color-highlight),-.25em 0 0 var(--color-highlight);box-decoration-break:clone;-webkit-box-decoration-break:clone}.zone-homework[data-astro-cid-bbi7ynwy]{padding-block:var(--space-section) 8px}@media(max-width:640px){.zone-homework[data-astro-cid-bbi7ynwy]{padding-block:var(--space-section) 24px}}.homework-intro[data-astro-cid-bbi7ynwy]{font-family:var(--font-body);font-weight:400;font-size:var(--size-body);line-height:var(--lh-body);color:var(--color-dark-text);max-width:1060px;font-optical-sizing:auto}.homework-count[data-astro-cid-bbi7ynwy]{display:block;font-family:var(--font-headline);font-weight:500;font-size:var(--size-kicker);letter-spacing:var(--ls-ui);text-transform:uppercase;color:var(--color-dark-text);opacity:.35;margin-top:6px;margin-bottom:var(--space-xl)}.accordion[data-astro-cid-bbi7ynwy]{max-width:1060px}.accordion-rule[data-astro-cid-bbi7ynwy]{height:1px;background:#1a1a2e0f}.accordion-item[data-astro-cid-bbi7ynwy]{padding:12px 0;border-top:1px solid transparent;border-bottom:1px solid transparent;transition:border-color .25s ease}.accordion-item[data-astro-cid-bbi7ynwy]:has(.accordion-trigger[aria-expanded=true]){border-top-color:var(--color-orange);border-bottom-color:var(--color-orange)}@media(max-width:640px){.accordion-item[data-astro-cid-bbi7ynwy]{padding:8px 0}}.accordion-trigger[data-astro-cid-bbi7ynwy]{display:flex;justify-content:space-between;align-items:center;gap:24px;width:100%;background:none;border:none;cursor:pointer;text-align:left;padding:0;transition:color .2s ease}.accordion-trigger-text[data-astro-cid-bbi7ynwy]{font-family:var(--font-headline);font-weight:700;font-size:var(--size-subsection);line-height:var(--lh-subsection);letter-spacing:var(--ls-subsection);color:var(--color-dark-text);white-space:nowrap;transition:color .2s ease}.accordion-icon[data-astro-cid-bbi7ynwy]{flex-shrink:0;color:var(--color-dark-text);opacity:.45;transition:transform .2s ease,color .2s ease,opacity .2s ease}.accordion-trigger[data-astro-cid-bbi7ynwy]:hover .accordion-trigger-text[data-astro-cid-bbi7ynwy]{color:var(--color-orange)}.accordion-trigger[data-astro-cid-bbi7ynwy]:hover .accordion-icon[data-astro-cid-bbi7ynwy]{color:var(--color-orange);opacity:1}.accordion-trigger[data-astro-cid-bbi7ynwy][aria-expanded=true] .accordion-trigger-text[data-astro-cid-bbi7ynwy]{color:var(--color-orange)}.accordion-trigger[data-astro-cid-bbi7ynwy][aria-expanded=true] .accordion-icon[data-astro-cid-bbi7ynwy]{transform:rotate(45deg);color:var(--color-orange);opacity:1}.accordion-panel[data-astro-cid-bbi7ynwy]{max-height:0;opacity:0;overflow:hidden;transition:max-height .35s ease,opacity .3s ease;padding-top:6px}.accordion-panel[data-astro-cid-bbi7ynwy][aria-hidden=false]{opacity:1;background-color:#ff610005}.accordion-panel[data-astro-cid-bbi7ynwy] .principle-body[data-astro-cid-bbi7ynwy]{padding-bottom:4px}.accordion-trigger[data-astro-cid-bbi7ynwy]:focus-visible{outline:3px solid var(--color-cta-violet);outline-offset:2px;border-radius:2px}.homework-footnote[data-astro-cid-bbi7ynwy]{font-family:var(--font-body);font-style:italic;font-weight:400;font-size:var(--size-card-body);line-height:var(--lh-body);color:var(--color-dark-text);opacity:.55;margin-top:16px}.zone-closer[data-astro-cid-bbi7ynwy]{padding-top:var(--space-section);padding-bottom:148px}@media(max-width:640px){.zone-closer[data-astro-cid-bbi7ynwy]{padding-top:12px}}.closer-text[data-astro-cid-bbi7ynwy]{font-family:var(--font-body);font-weight:400;font-size:var(--size-lede);line-height:var(--lh-lede);color:var(--color-dark-text);font-optical-sizing:auto}.closer-text[data-astro-cid-bbi7ynwy]:last-child{margin-bottom:0}@media(max-width:599px){.group-heading[data-astro-cid-bbi7ynwy],.closer-text[data-astro-cid-bbi7ynwy]{margin-top:5px}}