.subject-directory { padding-top: 40px; padding-bottom: 56px; }
.directory-intro { max-width: 790px; margin-bottom: 30px; }
.directory-intro .eyebrow { margin-bottom: 13px; }
.directory-intro h1 { font-size: clamp(2.25rem, 4vw, 3.25rem); letter-spacing: -.8px; }
.directory-intro > p:last-child { font-size: 1.0625rem; line-height: 1.75; margin-top: 17px; max-width: 720px; }
.directory-filters { padding: 24px; background: var(--blue); border-radius: 12px; }
.directory-fields { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1fr); gap: 18px; }
.goal-guidance { padding: 24px 28px; margin-top: 18px; background: #fffdfa; border-radius: 10px; }
.goal-guidance h2 { font: 600 1.125rem/1.5 var(--sans); letter-spacing: -.3px; }
.goal-guidance p { font-size: 1rem; line-height: 1.75; max-width: 920px; margin-top: 8px; }
.directory-fields label { display: flex; flex-direction: column; gap: 8px; font-size: .875rem; font-weight: 600; }
.directory-fields input, .directory-fields select { width: 100%; min-width: 0; min-height: 50px; padding: 12px 14px; border: 1px solid #b7c5cb; border-radius: 6px; background: #fffdfa; color: var(--navy); font-size: 1rem; font-weight: 400; }
.directory-fields input::placeholder { color: #63717a; opacity: 1; }
.directory-categories { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.directory-categories button { padding: 9px 14px; min-height: 42px; border: 1px solid transparent; border-radius: 6px; background: #ffffff80; color: var(--navy); font-size: .875rem; line-height: 1.5; }
.directory-categories button[aria-pressed="true"] { color: #fff; background: var(--navy); }
.directory-categories button:hover:not([aria-pressed="true"]) { background: #fff; }
.directory-result-bar { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 70px; }
.directory-result-bar p { font-size: .875rem; font-weight: 600; }
.directory-clear { border: 0; background: transparent; color: var(--navy); text-decoration: underline; text-underline-offset: 4px; font-size: .875rem; padding: 10px 0; }
.subject-group + .subject-group { margin-top: 36px; }
.subject-group > h2 { font: 600 1.375rem/1.4 var(--sans); letter-spacing: -.4px; margin: 0 0 16px; }
.subject-grid { display: grid; gap: 14px; }
.subject-card { display: grid; grid-template-columns: minmax(180px, .8fr) minmax(0, 1.6fr) auto; gap: 10px 26px; padding: 24px; background: #fffdfa; border-radius: 10px; scroll-margin-top: 125px; }
.subject-card-heading { grid-column: 1; grid-row: 1 / 4; }
.subject-card h3 { font: 600 1.25rem/1.45 var(--sans); letter-spacing: -.4px; }
.subject-description { grid-column: 2; grid-row: 1; font-size: 1rem; line-height: 1.7; }
.subject-level { grid-column: 2; grid-row: 2; font-size: .875rem; line-height: 1.65; }
.subject-level > span { display: block; color: var(--navy); font-size: .75rem; font-weight: 600; margin-bottom: 3px; }
.subject-details { grid-column: 2 / -1; grid-row: 3; margin-top: 4px; min-width: 0; }
.subject-details summary { width: fit-content; min-height: 42px; align-items: center; gap: 16px; font-size: .875rem; color: var(--navy); }
.subject-details summary:hover { color: var(--rust); }
.subject-details > div { padding: 22px; margin-top: 10px; background: #edf2f2; border-radius: 8px; }
.subject-details h4 { font-size: .9375rem; margin-bottom: 11px; color: var(--navy); }
.subject-details p { font-size: 1rem; line-height: 1.8; }
.subject-topics { display: grid; grid-template-columns: 1fr 1fr; gap: 7px 26px; padding-left: 20px; margin: 0 0 22px; font-size: .9375rem; line-height: 1.7; }
.subject-book { grid-column: 3; grid-row: 1 / 3; align-self: start; justify-self: start; display: inline-flex; align-items: center; min-height: 44px; padding: 10px 14px; border-radius: 6px; background: var(--navy); color: #fff; font-size: .875rem; font-weight: 600; line-height: 1.5; white-space: nowrap; }
.subject-book:hover { background: #214b5b; }
.directory-empty { padding: 36px; background: #fffdfa; border-radius: 10px; }
.directory-empty h2 { font: 600 1.5rem/1.4 var(--sans); letter-spacing: -.4px; }
.directory-empty p { font-size: 1rem; margin: 15px 0 24px; max-width: 650px; }
.directory-empty .button { text-transform: none; font-size: .875rem; }
.directory-fit { display: flex; justify-content: space-between; align-items: center; gap: 32px; padding: 28px; border-radius: 10px; margin-top: 36px; background: var(--blue); }
.directory-fit h2 { font: 600 1.125rem/1.5 var(--sans); letter-spacing: -.3px; }
.directory-fit p { font-size: 1rem; max-width: 750px; margin-top: 8px; }
.directory-fit .text-link { flex-shrink: 0; }
.directory-note { font-size: 1rem; margin: 20px 0; }
@media (max-width: 1000px) {
  .subject-card { grid-template-columns: minmax(160px, .7fr) minmax(0, 1.4fr) auto; gap: 10px 20px; }
  .subject-book { white-space: normal; max-width: 140px; }
}
@media (max-width: 760px) {
  .subject-directory { padding-top: 28px; padding-bottom: 40px; }
  .directory-fields { grid-template-columns: 1fr; gap: 16px; }
  .directory-filters { padding: 20px; }
  .directory-categories { gap: 7px; }
  .directory-categories button { padding: 9px 11px; }
  .subject-card { grid-template-columns: minmax(0, 1fr) auto; padding: 22px; gap: 14px 20px; }
  .subject-card-heading { grid-column: 1; grid-row: 1; align-self: center; }
  .subject-book { grid-column: 2; grid-row: 1; }
  .subject-description { grid-column: 1 / -1; grid-row: 2; }
  .subject-level { grid-column: 1 / -1; grid-row: 3; }
  .subject-details { grid-column: 1 / -1; grid-row: 4; margin-top: 0; }
  .directory-fit { display: block; padding: 24px; }
  .directory-fit .text-link { display: inline-block; margin-top: 18px; }
}
@media (max-width: 420px) {
  .directory-filters { padding: 16px; }
  .subject-card { padding: 20px; grid-template-columns: 1fr; gap: 12px; }
  .subject-card-heading { grid-column: 1; }
  .subject-book { grid-column: 1; grid-row: 5; max-width: none; }
  .subject-topics { grid-template-columns: 1fr; }
  .subject-details > div { padding: 18px; }
  .directory-empty { padding: 24px; }
}

.directory-topic-intro{margin:2rem 0 1.25rem}.directory-topic-intro h2{font-size:1.65rem;margin:0 0 .5rem}.directory-topic-intro p{font-size:1rem;line-height:1.6;color:#52636c;max-width:55rem;margin:0}#subject-filters{scroll-margin-top:8rem}