/* Shared navigation and sitemap. The paper menu is a disclosure on desktop
   and part of the scrollable navigation panel on tablets and phones. */
.site-navigation{margin-left:auto;display:block}
.primary-links{display:flex;align-items:center;gap:24px}
.primary-links>a,.papers-toggle{font-size:.8rem;font-weight:400;line-height:1.5;white-space:nowrap;text-decoration:none;padding:13px 0;color:var(--ink)}
.primary-links>a:hover,.primary-links>a[aria-current=page],.papers-toggle:hover,.papers-toggle.current{color:var(--copper)}
.primary-links .nav-description{display:none}
.papers-toggle{border:0;background:none;display:flex;align-items:center;gap:8px}
.disclosure-chevron{width:6px;height:6px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg);margin-top:-3px;transition:transform .15s}
.papers-toggle[aria-expanded=true] .disclosure-chevron{transform:rotate(225deg);margin-top:3px}
.papers-panel{position:absolute;top:calc(100% - 1px);right:max(40px,calc((100vw - var(--max))/2));width:min(850px,calc(100vw - 80px));max-height:calc(100dvh - 110px);overflow-y:auto;overscroll-behavior:contain;background:var(--white);border:1px solid var(--line);box-shadow:0 18px 36px #102a2d18;padding:27px 30px 24px}
.papers-panel[hidden]{display:none!important}
.papers-panel-heading{display:flex;align-items:baseline;justify-content:space-between;gap:24px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:22px}
.papers-panel-heading h2{font-size:1.55rem;letter-spacing:-.025em;margin:0}
.papers-panel-heading>a{font-size:.72rem;text-underline-offset:4px}
.papers-panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.papers-group h3{font-family:var(--sans);font-size:.61rem;letter-spacing:.12em;text-transform:uppercase;color:var(--teal);font-weight:700;margin:0 0 10px}
.papers-group>a{display:block;white-space:normal;text-decoration:none;padding:9px 0;font-size:.82rem;line-height:1.4;color:var(--ink)}
.papers-group>a+a{border-top:1px solid #e8ece5}
.papers-group>a>span:first-child{display:block;font-weight:600}
.papers-group .nav-description{display:block;font-size:.69rem;line-height:1.5;color:#61716b;margin-top:3px}
.papers-group>a:hover>span:first-child,.papers-group>a[aria-current=page]>span:first-child{color:var(--copper)}
.menu-button{display:none;align-items:center;justify-content:center;gap:9px;min-height:40px;border:1px solid #bbc7b8;background:transparent;padding:8px 11px;color:var(--ink);font-size:.75rem;line-height:1}
.menu-button svg{display:block;width:18px;height:18px}
.menu-close-icon{display:none}
.menu-button[aria-expanded=true] .menu-open-icon{display:none}
.menu-button[aria-expanded=true] .menu-close-icon{display:block}
.site-footer{padding:43px 0 22px}
.footer-masthead{display:grid;grid-template-columns:230px minmax(0,1fr);gap:40px;align-items:start;padding-bottom:28px;margin-bottom:29px;border-bottom:1px solid #35504e}
.footer-masthead>p{font-size:.81rem;line-height:1.8;color:#b8c9bd;max-width:700px;margin:0}
.footer-established{font-size:.64rem;line-height:1.5;color:#b8c9bd;margin:12px 0 0}
.footer-sitemap{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;align-items:start}
.footer-group h3{font-family:var(--sans);font-size:.65rem;line-height:1.4;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#adc5b5;margin:0 0 12px}
.footer-group ul{list-style:none;margin:0;padding:0}
.footer-group li{margin:0;padding:0}
.footer-group a{display:block;font-size:.78rem;line-height:1.55;color:#e4ece1;text-decoration:none;padding:6px 0;max-width:100%;overflow-wrap:break-word}
.footer-group a:hover{text-decoration:underline;text-underline-offset:4px}
.site-footer .footer-bottom{margin-top:28px;padding-top:20px;gap:28px;align-items:start;font-size:.65rem;line-height:1.7}
.site-footer .footer-bottom p{max-width:750px}
.site-footer .footer-bottom>span{white-space:nowrap}
.paper-dates{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin:26px 0 0;padding-top:22px;border-top:1px solid var(--line)}
.paper-dates>div{min-width:0}
.paper-dates dt{font-family:var(--sans);font-size:.6rem;text-transform:uppercase;letter-spacing:.09em;font-weight:700;color:var(--teal);margin-bottom:7px}
.paper-dates dd{font-size:.78rem;line-height:1.6;margin:0}
.paper-date-note{font-size:.68rem;color:var(--muted);margin:13px 0 0}
.publication-dates-table{font-size:.8rem;min-width:590px}
.publication-dates-table td{vertical-align:top}
.publication-dates-table td:first-child{width:44%}
.publication-dates-table small{display:block;color:var(--muted);margin-top:5px;line-height:1.5}
@media(max-width:1200px){.primary-links{gap:18px}.primary-links>a,.papers-toggle{font-size:.76rem}.header-inner{gap:20px}}
@media(max-width:1100px){
  .header-inner{height:76px;gap:20px}.header-tools{margin-left:auto}.menu-button{display:flex}
  .site-navigation{display:none;position:absolute;top:100%;left:0;width:100%;margin:0;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 18px 28px #102a2d15;max-height:calc(100vh - 76px);max-height:calc(100dvh - 76px);overflow-y:auto;overscroll-behavior:contain;padding:29px 32px 35px}
  .site-navigation.open{display:grid;grid-template-columns:minmax(200px,.72fr) minmax(0,1.8fr);gap:34px;align-items:start}
  .primary-links{display:flex;flex-direction:column;align-items:stretch;gap:0}
  .primary-links>a{display:block;white-space:normal;font-size:.96rem;line-height:1.4;padding:13px 0;border-bottom:1px solid var(--line)}
  .primary-links>a:first-child{padding-top:0}
  .primary-links .nav-description{display:block;font-size:.73rem;line-height:1.5;color:#61716b;margin-top:5px}
  .papers-toggle{display:none}
  .papers-panel{position:static;width:auto;max-height:none;overflow:visible;padding:0;border:0;box-shadow:none;background:transparent}
  .papers-panel-heading{gap:14px;align-items:flex-start;padding-bottom:15px;margin-bottom:18px;flex-direction:column}
  .papers-panel-heading h2{font-size:1.65rem}.papers-panel-grid{gap:24px}.papers-group>a{padding:11px 0;font-size:.8rem}
  body.navigation-open{overflow:hidden}
  .footer-masthead{grid-template-columns:180px minmax(0,1fr);gap:28px}.footer-sitemap{gap:26px}.site-footer .footer-bottom{flex-wrap:wrap;gap:12px 25px}
}
@media(max-width:850px){
  .site-navigation.open{grid-template-columns:1fr;gap:27px}
  .primary-links{display:grid;grid-template-columns:1fr 1fr;gap:0 30px}.primary-links>a{padding:12px 0}.primary-links>a:first-child{padding-top:12px}
  .papers-panel-heading{flex-direction:row;align-items:baseline}.papers-panel-grid{gap:30px}.papers-group .nav-description{display:none}.papers-group>a{min-height:44px;display:flex;align-items:center}
  .footer-masthead{padding-bottom:24px;margin-bottom:24px}.footer-sitemap{gap:23px}.footer-group a{font-size:.75rem;padding:6px 0}.site-footer .footer-bottom{flex-direction:column}
  .paper-dates{grid-template-columns:repeat(2,minmax(0,1fr));gap:19px 24px}
}
@media(max-width:560px){
  .header-inner{height:72px;gap:14px}.menu-button{font-size:.71rem;min-height:36px;padding:7px 9px}.menu-button svg{width:17px;height:17px}
  .site-navigation{padding:16px 24px 29px;max-height:calc(100vh - 72px);max-height:calc(100dvh - 72px)}
  .primary-links{gap:0 22px}.primary-links>a{font-size:.83rem;padding:12px 0}.primary-links .nav-description{font-size:.66rem;line-height:1.5}
  .papers-panel-heading h2{font-size:1.5rem}.papers-panel-heading>a{font-size:.65rem;max-width:115px;text-align:right}
  .papers-panel-grid{grid-template-columns:1fr;gap:23px}.papers-group h3{margin-bottom:6px}.papers-group>a{font-size:.81rem;padding:10px 0;min-height:43px}.papers-group>a>span:first-child{font-weight:500}
  .site-footer{padding:33px 0 20px}.footer-masthead{grid-template-columns:1fr;gap:18px;padding-bottom:23px;margin-bottom:24px}.footer-masthead>p{font-size:.78rem;line-height:1.75}.footer-established{margin-top:10px}
  .footer-sitemap{grid-template-columns:1fr;gap:23px}.footer-group h3{margin-bottom:8px}.footer-group ul{display:grid;grid-template-columns:1fr 1fr;gap:0 23px}.footer-group a{font-size:.73rem;padding:7px 0;line-height:1.55}.site-footer .footer-bottom{font-size:.61rem;margin-top:24px;padding-top:18px}
  .paper-dates{gap:18px 16px}.paper-dates dt{font-size:.57rem}.paper-dates dd{font-size:.73rem}.paper-date-note{font-size:.65rem}
}
@media print{.site-navigation,.menu-button,.site-footer{display:none!important}.paper-dates{display:grid;grid-template-columns:repeat(2,1fr);break-inside:avoid}.paper-date-note{color:black}}