/* The homepage is an introduction; each subject has its own reading space. */
.section-windows-ready #section-library { display: none; }
.section-directory { padding-block: 34px 64px; }
.directory-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; padding-bottom: 25px; }
.directory-heading h2 { font-size: 1.75rem; letter-spacing: -.025em; line-height: 1.2; }
.directory-heading p { color: #aaa; font-size: .875rem; }
.directory-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); border-top: 1px solid #525252; border-left: 1px solid #353535; }
.directory-card { display: flex; flex-direction: column; padding: 22px 24px 26px; min-height: 188px; border-right: 1px solid #353535; border-bottom: 1px solid #353535; background: #060606; transition: background-color 180ms ease; }
.directory-card-top { display: flex; justify-content: space-between; align-items: center; color: #aaa; font-size: .75rem; font-variant-numeric: tabular-nums; margin-bottom: 30px; }
.directory-arrow { font-size: 1.2rem; color: #e5e5e2; transition: transform 220ms var(--ease-out); }
.directory-card h3 { font-size: 1.125rem; line-height: 1.35; letter-spacing: -.015em; margin: 0; }
.directory-card p { margin-top: 9px; color: #a9a9a6; font-size: .8125rem; line-height: 1.55; max-width: 26ch; }
#contact-title:focus { outline: none; }
.directory-card:focus-visible { position: relative; outline: 2px solid #eee; outline-offset: -2px; }

.section-dialog { position: fixed; inset: 0; margin: auto; width: min(1280px,calc(100% - 48px)); max-width: none; height: calc(100% - 48px); height: calc(100dvh - 48px); max-height: none; padding: 0; overflow: hidden; border: 1px solid #555; background: #090909; color: var(--text); }
.section-dialog[open] { display: flex; flex-direction: column; }
.section-dialog::backdrop { background: rgb(0 0 0 / 82%); }
html.section-is-open { overflow: hidden; }
.section-dialog-bar { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-shrink: 0; padding: 18px 36px; min-height: 82px; background: #090909; border-bottom: 1px solid #373737; }
.section-dialog-label { display: flex; align-items: center; gap: 26px; font-size: .9375rem; line-height: 1.4; }
.section-dialog-eyebrow { font-size: .75rem; color: #969693; padding-right: 26px; border-right: 1px solid #444; }
.section-dialog-close { font: inherit; font-size: .8125rem; display: flex; align-items: center; justify-content: center; gap: 20px; min-width: 44px; min-height: 44px; padding: 0 13px; border: 1px solid #666; background: transparent; color: #eee; cursor: pointer; }
.section-dialog-close > span:last-child { font-size: 1.75rem; line-height: 1; }
.section-dialog-nav { display: flex; gap: 24px; flex-shrink: 0; padding: 0 36px; border-bottom: 1px solid #373737; overflow-x: auto; overscroll-behavior-x: contain; scrollbar-width: thin; scrollbar-color: #555 #090909; }
.section-dialog-nav a { display: flex; align-items: center; min-height: 54px; flex-shrink: 0; border-bottom: 2px solid transparent; color: #aaa; font-size: .8125rem; white-space: nowrap; }
.section-dialog-nav a[aria-current] { color: #fff; border-bottom-color: #eee; }
.section-dialog-scroll { flex: 1; min-height: 0; overflow-y: auto; overflow-x: hidden; overscroll-behavior: contain; scrollbar-color: #666 #090909; }
.section-dialog-content { padding: 44px 36px 48px; }
.section-dialog .wrap { width: 100%; max-width: 1160px; margin-inline: auto; }
.section-dialog .section { padding-block: 0; margin-block: 0; border: 0; }
.section-dialog .section-heading { gap: 44px; align-items: start; }
.section-dialog .section-heading h2 { font-size: clamp(2rem,3.3vw,2.75rem); }
.section-dialog .section-heading > p { font-size: .9375rem; }
.section-dialog .section-heading h2:focus { outline: none; }
.section-dialog .section-grid, .section-dialog .program-grid { margin-top: 34px; }
.section-dialog .section-bottom { margin-top: 28px; }
.section-dialog .service-card-title { min-height: 124px; padding: 22px 26px; }
.section-dialog .service-card-title h3 { font-size: 1.5rem; }
.section-dialog .service-card-content { padding: 20px 26px 0; }
.section-dialog .service-card-content > p { min-height: 72px; font-size: .9375rem; }
.section-dialog .service-card-content details { margin-top: 18px; }
.section-dialog .service-card-content summary { min-height: 60px; }
.section-dialog .workflow-steps { margin-top: 38px; }
.section-dialog .about-layout { margin-top: 34px; }
.section-dialog .method-list { margin-top: 34px; }
.section-dialog .program-card-footer { flex-wrap: wrap; }
.section-dialog .doc-viewport { margin-top: 24px; }
.section-dialog :is(a,button,summary,[tabindex="0"]):focus-visible { outline: 2px solid #eee; outline-offset: 4px; }
.overview-resources { padding-block: 0 48px; }

@media(hover:hover) and (pointer:fine) {
  .directory-card:hover { background: #141414; }
  .directory-card:hover .directory-arrow { transform: translate(2px,-2px); }
  .section-dialog-close:hover { background: #eee; color: #080808; }
  .section-dialog-nav a:hover { color: #fff; }
}
@media(max-width:1100px) {
  .directory-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .directory-card { min-height: 168px; }
  .section-dialog-bar { padding-inline: 28px; }
  .section-dialog-nav { padding-inline: 28px; gap: 22px; }
  .section-dialog-content { padding: 36px 28px 40px; }
  .section-dialog .program-open { width: 100%; }
  .section-dialog .program-card-head { grid-template-columns: minmax(0,1fr); gap: 8px; min-height: 166px; }
  .section-dialog .program-kind { text-align: left; max-width: none; }
  .section-dialog .program-card h3 { margin-top: 6px; }
}
@media(max-width:700px) {
  .section-directory { padding-block: 28px 36px; }
  .directory-heading { display: block; padding-bottom: 22px; }
  .directory-heading h2 { font-size: 1.5rem; }
  .directory-heading p { margin-top: 9px; font-size: .8125rem; }
  .directory-card { padding: 18px 16px 22px; min-height: 174px; }
  .directory-card-top { margin-bottom: 22px; }
  .directory-card h3 { font-size: 1rem; }
  .directory-card p { font-size: .75rem; }
  .section-dialog { width: 100%; height: 100%; height: 100dvh; border: 0; }
  .section-dialog-bar { padding: calc(12px + env(safe-area-inset-top)) 20px 12px; min-height: 70px; gap: 12px; }
  .section-dialog-label { display: grid; gap: 3px; font-size: .875rem; }
  .section-dialog-eyebrow { border: 0; padding: 0; font-size: .6875rem; }
  .section-dialog-close { padding: 0 10px; }
  .section-dialog-close > span:first-child { display: none; }
  .section-dialog-nav { padding-inline: 20px; gap: 22px; }
  .section-dialog-nav a { min-height: 49px; font-size: .75rem; }
  .section-dialog-content { padding: 28px 20px calc(32px + env(safe-area-inset-bottom)); }
  .section-dialog .section-heading { gap: 14px; }
  .section-dialog .section-heading h2 { font-size: 1.875rem; }
  .section-dialog .section-heading > p { font-size: .875rem; }
  .section-dialog .section-grid, .section-dialog .program-grid { margin-top: 26px; }
  .section-dialog .service-card-title { min-height: 0; padding: 22px; }
  .section-dialog .service-card-title h3 { font-size: 1.375rem; }
  .section-dialog .service-card-content { padding: 20px 22px 0; }
  .section-dialog .service-card-content > p { min-height: 0; }
  .section-dialog .program-open { width: auto; }
  .section-dialog .program-card-head { min-height: 0; }
}
@media(prefers-reduced-motion:reduce) {
  .directory-card, .directory-arrow { transition: none; }
}