@layer reset{*,:before,:after{box-sizing:border-box}html{color-scheme:light}body,h1,h2,h3,h4,p,figure,blockquote,dl,dd{margin:0}img,svg{max-width:100%;display:block}button,input,textarea,select{font:inherit}}@layer base{:root{--paper:#f4ecdd;--paper-light:#fbf7ee;--paper-dark:#e5d8c3;--ink:#172f46;--ink-soft:#465765;--line:#c9baa1;--accent:#b94b32;--accent-dark:#8d321f;--blue-light:#dce7e9;--yellow:#e8c36a;--serif:"Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;--sans:Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--measure:72ch;--wide:1180px}html{background:var(--paper)}body{min-width:320px;color:var(--ink);background:linear-gradient(90deg, transparent 0, transparent calc(50% - .5px), #172f4609 50%, transparent calc(50% + .5px)), var(--paper);font-family:var(--serif);text-rendering:optimizelegibility;font-size:clamp(1rem,.965rem + .16vw,1.1rem);line-height:1.67}h1,h2,h3,h4{text-wrap:balance;line-height:1.08}h1{letter-spacing:-.045em;font-size:clamp(2.75rem,1.7rem + 5.1vw,6.8rem)}h2{letter-spacing:-.035em;font-size:clamp(2rem,1.55rem + 2.2vw,3.6rem)}h3{letter-spacing:-.018em;font-size:clamp(1.28rem,1.12rem + .7vw,1.75rem)}h4{font-size:1.05rem;font-family:var(--sans)}p{text-wrap:pretty}p+p{margin-top:1em}a{color:var(--accent-dark);text-underline-offset:.18em;text-decoration-thickness:.08em}a:hover{color:var(--accent)}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px;border-radius:2px}strong{font-weight:750}code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em}::selection{background:var(--yellow);color:var(--ink)}}@layer components{.skip-link{z-index:100;color:#fff;background:var(--ink);font:700 .9rem/1 var(--sans);padding:.7rem 1rem;position:fixed;top:.8rem;left:.8rem;transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}.site-header{border-bottom:1px solid var(--line);background:color-mix(in srgb, var(--paper-light) 93%, transparent)}.header-inner,.period-nav,.site-footer{width:min(calc(100% - 2rem), var(--wide));margin-inline:auto}.header-inner{justify-content:space-between;align-items:center;gap:2rem;min-height:5.1rem;display:flex}.wordmark{color:var(--ink);font:800 1.15rem/1 var(--sans);align-items:center;gap:.7rem;text-decoration:none;display:inline-flex}.wordmark-mark{aspect-ratio:1;width:2.25rem;color:var(--paper-light);background:var(--ink);font:800 1.25rem/1 var(--serif);border-radius:50%;place-items:center;display:grid}.primary-nav,.period-nav,.site-footer nav{font:700 .82rem/1.2 var(--sans);align-items:center;gap:clamp(.75rem,2vw,1.7rem);display:flex}.primary-nav a,.period-nav a{color:var(--ink);text-decoration:none}.primary-nav a{border-bottom:2px solid #0000;padding-block:.75rem}.primary-nav a[aria-current=page]{border-color:var(--accent)}.period-nav{border-top:1px solid var(--line);justify-content:flex-start;min-height:2.65rem}.period-nav span{color:var(--ink-soft);font:700 .7rem/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;margin-right:auto}.period-nav a[aria-current=page]{color:var(--accent-dark);text-decoration:underline 2px}.site-footer{border-top:2px solid var(--ink);grid-template-columns:1.4fr 1fr;gap:2rem;margin-top:clamp(5rem,10vw,10rem);padding-block:3rem 4rem;display:grid}.site-footer p{max-width:58ch;color:var(--ink-soft);font:.86rem/1.6 var(--sans);margin-top:1rem}.site-footer nav{flex-direction:column;align-items:flex-end;gap:.65rem}.site-footer nav a{color:var(--ink)}.footer-mark{pointer-events:none}.external-label{font:700 .68em/1 var(--sans);letter-spacing:.02em;white-space:normal;margin-left:.25rem;display:inline}.page-shell{width:min(calc(100% - 2rem), var(--wide));margin-inline:auto}.narrow{width:min(100% - 2rem,860px);margin-inline:auto}.prose{max-width:var(--measure)}.prose>*+*{margin-top:1.3rem}.prose>h2{margin-top:3.8rem}.prose>h3{margin-top:2.5rem}.prose ul,.prose ol{padding-left:1.25rem}.prose li+li{margin-top:.7rem}.page-intro{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1.55fr) minmax(15rem,.75fr);gap:clamp(2rem,6vw,7rem);padding-block:clamp(4rem,9vw,8.5rem);display:grid}.page-intro h1{max-width:11ch;font-size:clamp(3rem,2rem + 4vw,6rem)}.page-intro .dek{color:var(--ink-soft);align-self:end;padding-bottom:.5rem;font-size:clamp(1.1rem,.98rem + .5vw,1.35rem);line-height:1.55}.eyebrow,.section-label{color:var(--accent-dark);font:800 .72rem/1.25 var(--sans);letter-spacing:.145em;text-transform:uppercase}.eyebrow{margin-bottom:1rem}.section-label{margin-bottom:.65rem}.dek{max-width:56ch;font-size:clamp(1.2rem,1.05rem + .7vw,1.6rem);line-height:1.5}.fine-print{color:var(--ink-soft);font:.78rem/1.55 var(--sans)}.rule-note{border-left:4px solid var(--accent);background:var(--paper-light);padding:1rem 1.2rem}.hero{width:min(calc(100% - 2rem), var(--wide));margin-inline:auto;padding-block:clamp(4rem,9vw,9rem) clamp(3rem,8vw,7rem)}.hero-grid{grid-template-columns:minmax(0,1.65fr) minmax(16rem,.65fr);align-items:end;gap:clamp(2rem,6vw,8rem);display:grid}.hero h1{max-width:12ch}.hero .lede{border-left:1px solid var(--ink);padding:1.5rem 0 .4rem 1.5rem;font-size:clamp(1.15rem,1.02rem + .55vw,1.45rem)}.hero-answer{border-top:2px solid var(--ink);grid-template-columns:.75fr 1.5fr;gap:clamp(2rem,6vw,7rem);margin-top:clamp(4rem,8vw,8rem);padding-top:2rem;display:grid}.hero-answer h2{max-width:8ch;font-size:clamp(1.8rem,1.4rem + 1.8vw,3rem)}.hero-answer p{max-width:65ch;font-size:clamp(1.12rem,1rem + .45vw,1.35rem)}.hero-cta{flex-wrap:wrap;gap:.8rem;margin-top:1.5rem;display:flex}.button-link{color:#fff;background:var(--ink);border:2px solid var(--ink);min-height:2.9rem;font:800 .78rem/1.2 var(--sans);align-items:center;padding:.65rem 1rem;text-decoration:none;display:inline-flex}.button-link:hover,.button-link.secondary{color:var(--ink);background:0 0}.button-link.secondary:hover{color:#fff;background:var(--ink)}.zero-band{color:var(--paper-light);background:var(--ink)}.zero-inner{width:min(100%, var(--wide));padding:clamp(2.5rem, 6vw, 5rem) max(1rem, calc((100vw - var(--wide)) / 2));grid-template-columns:.75fr 1.65fr;gap:2rem;margin-inline:auto;display:grid}.zero-number{color:var(--yellow);font:800 clamp(5rem, 11vw, 10rem)/.75 var(--serif);letter-spacing:-.06em}.zero-inner h2{color:#fff}.zero-inner p{color:#d9e2e7;max-width:62ch;margin-top:1rem}.zero-inner a{color:var(--yellow)}.period-grid{width:min(calc(100% - 2rem), var(--wide));margin:clamp(4rem,8vw,8rem) auto 0}.period-grid>header{border-bottom:1px solid var(--line);grid-template-columns:1fr 1fr;gap:2rem;margin-bottom:2.5rem;padding-bottom:1.5rem;display:grid}.period-grid>header p{max-width:55ch;color:var(--ink-soft);align-self:end}.period-cards{grid-template-columns:repeat(3,1fr);gap:1rem;display:grid}.period-card{border:1px solid var(--line);background:var(--paper-light);flex-direction:column;min-height:23rem;padding:1.4rem;display:flex}.period-card:nth-child(2){background:var(--blue-light)}.period-card .period-year{letter-spacing:-.055em;margin:auto 0 1rem;font-size:clamp(3.4rem,6vw,5.5rem);line-height:.9}.period-card h3{margin-bottom:.8rem}.period-card p{color:var(--ink-soft)}.period-card a{font:800 .8rem/1.3 var(--sans);margin-top:1.2rem}.claim-section{width:min(calc(100% - 2rem), var(--wide));margin:clamp(5rem,10vw,10rem) auto 0}.claim-section>h2{max-width:13ch;margin-bottom:2.5rem}.claim-list{border-top:2px solid var(--ink)}.claim-row{border-bottom:1px solid var(--line);grid-template-columns:minmax(11rem,.7fr) minmax(0,1.8fr);gap:2rem;padding-block:1.7rem;display:grid}.claim-row h3{font:800 1rem/1.35 var(--sans)}.claim-row p{max-width:70ch}.boundary-box{border:1px solid var(--ink);background:var(--paper-light);width:min(100% - 2rem,960px);box-shadow:.75rem .75rem 0 var(--paper-dark);margin:clamp(5rem,10vw,9rem) auto 0;padding:clamp(1.5rem,4vw,3rem)}.boundary-box h2{max-width:16ch}.boundary-box ul{columns:2;gap:3rem;margin:1.5rem 0 0;padding-left:1.15rem}.boundary-box li{break-inside:avoid;margin-bottom:.7rem}.sample-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:1.5rem;display:grid}.sample-card{border:1px solid var(--line);background:var(--paper-light);flex-direction:column;min-height:14rem;padding:1.25rem;display:flex}.sample-card h3 a{color:var(--ink)}.sample-card>p:not(.eyebrow,.sample-status){color:var(--ink-soft);margin-top:.8rem}.sample-status{flex-wrap:wrap;gap:.5rem;margin-top:auto;padding-top:1rem;display:flex}.sample-status span{background:var(--blue-light);font:700 .68rem/1.3 var(--sans);padding:.22rem .45rem}.record-detail{border-top:3px solid var(--ink);background:var(--paper-light);box-shadow:0 1px 0 var(--line);margin-top:3rem;padding:clamp(1.25rem,4vw,2.5rem)}.record-heading{grid-template-columns:minmax(0,1fr) minmax(15rem,.6fr);align-items:end;column-gap:2rem;margin-bottom:2rem;display:grid}.record-heading .eyebrow{grid-column:1/-1}.record-heading h2,.record-heading h3{font-size:clamp(1.8rem,1.4rem + 1.8vw,3rem)}.record-heading h2 a,.record-heading h3 a{color:var(--ink);text-decoration:none}.record-deck{color:var(--ink-soft)}.record-meta{border-block:1px solid var(--line);grid-template-columns:repeat(4,1fr);display:grid}.record-meta>div{border-right:1px solid var(--line);padding:.9rem}.record-meta>div:last-child{border-right:0}.record-meta span,.coding-grid span{color:var(--ink-soft);font:750 .65rem/1.3 var(--sans);letter-spacing:.08em;text-transform:uppercase;margin-bottom:.28rem;display:block}.record-meta strong{font:750 .82rem/1.35 var(--sans);display:block}.record-detail>section{margin-top:2.5rem}.student-excerpt{color:#10293d;background:var(--paper);border-left:3px solid var(--accent);max-width:48em;padding:1.5rem 2rem 1.5rem 3.1rem;font-size:clamp(1.15rem,1.02rem + .48vw,1.42rem);line-height:1.65;position:relative}.student-excerpt:before{content:"“";color:var(--accent);font-size:4rem;line-height:1;position:absolute;top:-.1rem;left:.8rem}.student-excerpt+.fine-print{margin-top:.6rem}.record-columns{grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,5rem);margin-top:2.7rem;display:grid}.record-columns h3{border-bottom:1px solid var(--line);margin-bottom:1rem;padding-bottom:.7rem}.compact-list>div{border-bottom:1px dotted var(--line);grid-template-columns:minmax(7rem,.55fr) 1.45fr;gap:1rem;padding-block:.7rem;display:grid}.compact-list dt{font:800 .72rem/1.5 var(--sans)}.compact-list dd{color:var(--ink-soft);font-size:.95em}.assessor-note{border:1px solid var(--line);background:var(--blue-light);margin-top:1.2rem;padding:1rem}.assessor-note p{font-style:italic}.assessor-note footer{color:var(--ink-soft);font:.72rem/1.5 var(--sans);margin-top:.7rem}.coding-note{border-block:1px solid var(--line);margin-top:2.5rem}.coding-note summary{cursor:pointer;font:800 .85rem/1.4 var(--sans);padding:1rem 0}.coding-grid{background:var(--line);border:1px solid var(--line);grid-template-columns:1fr 1fr;gap:1px;display:grid}.coding-grid p{background:var(--paper-light);padding:1rem}.coding-note>.fine-print{padding-block:1rem}.primary-source{color:#fff;background:var(--ink);justify-content:space-between;align-items:center;gap:2rem;margin-top:2.5rem;padding:1.2rem;display:flex}.primary-source .section-label,.primary-source .fine-print{color:#cbd8df}.primary-source a{color:var(--ink);background:var(--yellow);font:800 .78rem/1.3 var(--sans);flex:none;padding:.75rem .9rem}.primary-source a:hover{color:#fff;background:var(--accent)}.source-list{border-top:2px solid var(--ink);margin-top:2rem}.source-row{border-bottom:1px solid var(--line);grid-template-columns:9rem minmax(0,1.4fr) minmax(12rem,.65fr);gap:2rem;padding-block:1.5rem;display:grid}.source-id{font:800 .78rem/1.4 ui-monospace,monospace}.source-row h3{margin-bottom:.5rem}.source-row h3 a{color:var(--ink)}.source-row p{color:var(--ink-soft)}.source-locator{font-size:.9em}.table-wrap{border:1px solid var(--line);margin-block:1.5rem;overflow-x:auto}table{border-collapse:collapse;background:var(--paper-light);width:100%;min-width:680px;font-size:.9em}th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:.85rem}th{font:800 .72rem/1.4 var(--sans);letter-spacing:.04em;text-transform:uppercase}tr:last-child td{border-bottom:0}caption{text-align:left;color:var(--ink-soft);font:.75rem/1.4 var(--sans);padding:.8rem}.dimension-list{background:var(--line);grid-template-columns:repeat(2,1fr);gap:1px;margin-top:2rem;padding:1px;display:grid}.dimension-list article{background:var(--paper-light);padding:1.3rem}.dimension-list h3{font-size:1.15rem;font-family:var(--sans);margin-bottom:.65rem}.dimension-list p{color:var(--ink-soft)}.callout{background:var(--blue-light);border-left:4px solid var(--ink);margin-block:2rem;padding:1.3rem}.callout.warning{border-color:var(--accent);background:#f3dfd5}.breadcrumb{font:700 .75rem/1.4 var(--sans);padding-top:2rem}.breadcrumb ol{flex-wrap:wrap;gap:.5rem;margin:0;padding:0;list-style:none;display:flex}.breadcrumb li:not(:last-child):after{content:"/";color:var(--line);margin-left:.5rem}.not-found{grid-template-columns:.5fr 1.5fr;align-items:center;gap:3rem;min-height:62vh;display:grid}.not-found-code{color:var(--accent);font:800 clamp(6rem, 17vw, 14rem)/.75 var(--serif)}.not-found h1{max-width:9ch;font-size:clamp(3rem,6vw,6rem)}}@layer utilities{.section-space{margin-top:clamp(4rem,8vw,8rem)}.top-space{padding-top:clamp(3rem,6vw,6rem)}.muted{color:var(--ink-soft)}.accent{color:var(--accent-dark)}@media (width<=820px){.header-inner{flex-direction:column;align-items:flex-start;gap:.6rem;padding-block:1rem}.primary-nav{justify-content:space-between;gap:.5rem;width:100%}.period-nav{white-space:nowrap;overflow-x:auto}.period-nav span{display:none}.hero-grid,.page-intro,.hero-answer,.zero-inner,.period-grid>header,.claim-row,.record-heading,.not-found{grid-template-columns:1fr}.hero .lede{max-width:35rem}.period-cards{grid-template-columns:1fr}.period-card{min-height:16rem}.period-card .period-year{margin-top:2.5rem}.record-meta{grid-template-columns:1fr 1fr}.record-meta>div:nth-child(2){border-right:0}.record-meta>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.record-columns{grid-template-columns:1fr}.source-row{grid-template-columns:7rem 1fr;gap:1rem}.source-locator{grid-column:2}}@media (width<=580px){body{background:var(--paper)}.header-inner,.period-nav,.site-footer,.page-shell,.narrow,.hero,.period-grid,.claim-section,.boundary-box{width:min(calc(100% - 1.2rem), var(--wide))}.wordmark-mark{width:2rem}.primary-nav{justify-content:flex-start;gap:1rem;overflow-x:auto}.period-nav{gap:1.3rem}.site-footer{grid-template-columns:1fr}.site-footer nav{align-items:flex-start}.hero{padding-top:3rem}.hero h1{font-size:clamp(2.75rem,15vw,4.6rem)}.zero-inner{padding-inline:1rem}.sample-list,.dimension-list,.coding-grid{grid-template-columns:1fr}.record-detail{padding-inline:.85rem}.record-meta{grid-template-columns:1fr}.record-meta>div{border-right:0;border-bottom:1px solid var(--line)}.record-meta>div:nth-child(2){border-bottom:1px solid var(--line)}.record-meta>div:last-child{border-bottom:0}.student-excerpt{padding:1.2rem 1rem 1.2rem 2.3rem}.student-excerpt:before{left:.4rem}.compact-list>div{grid-template-columns:1fr;gap:.2rem}.primary-source{flex-direction:column;align-items:stretch}.primary-source a{text-align:center}.source-row{grid-template-columns:1fr}.source-locator{grid-column:1}.boundary-box ul{columns:1}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media print{.site-header,.site-footer,.skip-link,.button-link{display:none}body{color:#000;background:#fff}a{color:#000}.record-detail{break-inside:avoid;box-shadow:none}}}