/* Catalogue extension only. Original landing stylesheet is unchanged. */
.catalogue-intro {max-width: 850px}
.programme-cards {display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:20px}
.programme-card {display:block;height:100%}
.programme-card h3 {font-size:1.15rem;margin:.3rem 0}
.programme-card .count {color:var(--navy-deep);font-weight:700}
.catalogue-controls {display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:16px;align-items:end;margin:30px 0 16px}
.catalogue-controls label {min-width:0;display:block;font-weight:700;color:var(--navy-deep)}
.catalogue-controls input,.catalogue-controls select {display:block;min-width:0;max-width:100%;width:100%;min-height:48px;padding:10px;border:1px solid #606873;border-radius:6px;background:white;color:var(--ink);font:inherit}
.catalogue-controls button {min-height:48px;cursor:pointer;font:inherit}
.programme {scroll-margin-top:110px;padding-top:32px;border-top:1px solid var(--line);margin-top:36px}
.programme h2 {margin-bottom:4px;font-size:clamp(1.45rem,3vw,2.1rem)}
.programme h3 {font-size:1.1rem;margin:26px 0 12px}
.course-list {list-style:none;margin:0;padding:0}
.course-row {display:flex;justify-content:space-between;align-items:start;gap:18px;padding:14px 0;border-bottom:1px solid var(--line)}
.course-title {font-weight:600}
.course-code {font-weight:700;color:var(--navy-deep);margin-right:.5rem}
.course-note {display:block;font-size:.9rem;color:var(--muted)}
.area-badge {flex:none;padding:3px 10px;border:1px solid var(--line);border-radius:20px;background:var(--paper);color:var(--navy-deep);font-size:.82rem;font-weight:700;white-space:nowrap}
.catalogue-disclaimer {font-size:.92rem;color:var(--ink);max-width:900px}
.filter-status {font-weight:600;color:var(--navy-deep)}
.no-results {padding:24px;border:1px solid var(--line);background:var(--paper)}
.catalogue-cta {margin-top:36px}
.catalogue-page [hidden] {display:none!important}
.catalogue-page a:focus-visible,.catalogue-page button:focus-visible,.catalogue-page input:focus-visible,.catalogue-page select:focus-visible {outline:3px solid var(--navy);outline-offset:4px}
.skip-link {position:absolute;left:12px;top:-100px;background:white;padding:12px;z-index:200}
.skip-link:focus {top:12px}
@media(max-width:850px) {.catalogue-controls {grid-template-columns:1fr 1fr}.catalogue-search {grid-column:1/-1}}
@media(max-width:520px) {.catalogue-controls {grid-template-columns:1fr}.catalogue-search {grid-column:auto}.course-row {gap:10px}.programme-card {padding:22px}}
@media(prefers-reduced-motion:reduce) {html {scroll-behavior:auto}}

.programme-card h3,.programme h2 {overflow-wrap:normal;word-break:normal;hyphens:manual}
@media(max-width:850px) {.programme {scroll-margin-top:180px}}

/* Core courses and detail pages: same paper/navy system as the landing. */
.core-columns {display:grid;grid-template-columns:1fr 1fr;gap:32px}
.core-list {list-style:none;margin:0;padding:0}
.core-list li {display:flex;justify-content:space-between;gap:18px;padding:14px 0;border-bottom:1px solid var(--line)}
.core-list li span {flex:none;color:var(--muted);white-space:nowrap}
.core-list a,.course-title a {color:var(--navy-deep);text-decoration:underline;text-underline-offset:3px}
.course-row>div {flex:1;min-width:0}
.course-interest {flex:none;color:var(--navy-deep);text-decoration:underline;min-height:44px;display:inline-flex;align-items:center;font-size:.9rem}
.sr-only {position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.detail-content {max-width:900px;padding-top:24px;padding-bottom:48px}
.detail-content section {padding:24px 0;border-bottom:1px solid var(--line)}
.detail-content li {margin-bottom:12px;line-height:1.7}
.detail-content h2 {font-size:clamp(1.4rem,3vw,2rem)}
.detail-buttons {display:flex;flex-wrap:wrap;gap:12px}
.breadcrumbs {font-size:.9rem;line-height:1.7;margin-bottom:28px;overflow-wrap:anywhere}
.source-note {font-size:.9rem;color:var(--muted)}
.catalogue-intro h1 {overflow-wrap:normal;word-break:normal;hyphens:manual}
@media(max-width:650px) {.core-columns {grid-template-columns:1fr;gap:18px}.course-row {flex-wrap:wrap}.course-row>div {flex-basis:70%}.course-interest {margin-left:auto}.core-list li {gap:12px}.detail-buttons .btn {flex:1;text-align:center}}

.textbook-highlight {padding:20px 24px;margin:24px 0;border-left:4px solid var(--navy);border-radius:0 8px 8px 0;background:var(--paper);color:var(--ink)}
.textbook-highlight h2 {margin-top:0;font-size:1.3rem}
.textbook-highlight p {margin:0;line-height:1.7}