/* Approved photographic cards: each tile has its own image and a clear action. */
.study-tile{--study-tile-bg:var(--teal);display:flex;flex-direction:column;gap:0;min-height:0;padding:0;background:#fff;color:var(--study-tile-bg);border:1px solid #dce5e0;border-radius:19px;box-shadow:0 7px 24px #17382e09;overflow:hidden;text-align:center;text-decoration:none;cursor:pointer}
.study-tile:nth-child(4n+2){--study-tile-bg:var(--blue)}.study-tile:nth-child(4n+3){--study-tile-bg:var(--purple)}.study-tile:nth-child(4n){--study-tile-bg:var(--clay)}
.study-tile:is(:hover,:focus-within){background:#fff;color:var(--study-tile-bg);box-shadow:0 12px 28px #17382e18;transform:translateY(-3px)}
.study-tile:focus-visible{outline:3px solid #d3955c;outline-offset:3px}
.study-tile-photo{position:relative;aspect-ratio:1.52;overflow:hidden;isolation:isolate}
.study-tile-photo:after{content:'';position:absolute;inset:0;background:var(--study-tile-bg);opacity:.56;z-index:1;pointer-events:none}
.study-tile .study-tile-art{width:100%;height:100%;max-height:none;aspect-ratio:auto;object-fit:cover;border-radius:0;margin:0}
.study-tile-image-title{position:absolute;inset:0;z-index:2;display:flex;align-items:center;justify-content:center;padding:12px;color:#fff;font-weight:750;font-size:clamp(1.7rem,2.7vw,2.3rem);line-height:1.1;letter-spacing:-.7px;text-shadow:0 2px 7px #0002;text-align:center}
.study-tile-image-title.is-number{font-size:7rem;letter-spacing:-5px}
.study-tile-copy{display:flex;flex-direction:column;gap:0;flex:1;padding:20px 18px 18px}
.study-tile .study-tile-title{color:var(--study-tile-bg);font-size:1.4rem;line-height:1.25;min-height:2.5em;display:flex;align-items:center;justify-content:center;margin:0;text-align:center}
.study-tile .study-tile-level{color:#66786f;font-size:.83rem;line-height:1.5;min-height:3em;margin:7px 0 18px;text-align:center}
.study-tile-button{position:relative;display:flex;align-items:center;justify-content:center;margin-top:auto;min-height:46px;padding:12px 30px;border-radius:8px;border:1px solid var(--study-tile-bg);background:var(--study-tile-bg);color:#fff;font-size:.83rem;font-weight:750;line-height:1.2;text-align:center}
.study-tile-button:hover{color:#fff;filter:brightness(1.12)}.study-tile-button:focus-visible{outline:3px solid #d3955c;outline-offset:3px}.study-tile-arrow{position:absolute;right:13px;top:50%;transform:translateY(-50%);font-size:19px;font-weight:500}
.course-grid .study-tile-title{min-height:0}.course-grid .study-tile-level{min-height:0}
.syllabus-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.syllabus-card{display:flex;flex-direction:column;gap:20px;justify-content:space-between;padding:24px;border:1px solid #dce5e0;border-radius:18px;background:#f5f9f7}.syllabus-card h3{font-size:1.15rem;line-height:1.4}.syllabus-card p{font-size:.85rem;margin-top:8px}.syllabus-actions{display:flex;flex-wrap:wrap;gap:10px}.syllabus-actions .button{font-size:.83rem;min-height:44px;padding:11px 16px}
.updates-pagination{display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap;margin-top:34px}.updates-pagination>span{font-size:.9rem;color:var(--muted)}.updates-pagination .button{min-height:44px;padding:12px 20px;font-size:.87rem}.updates-pagination[hidden]{display:none}
[data-updates-browser]{scroll-margin-top:100px}
/* A prominent mobile app dock, with a genuine app-access action. */
@media(max-width:760px){
 .mobile-app-bar{left:10px;right:10px;bottom:max(10px,env(safe-area-inset-bottom));width:auto;display:flex;align-items:center;gap:12px;padding:12px 14px;background:#123f3b;border:1px solid #357069;border-radius:18px;box-shadow:0 6px 28px #082d3440;color:#fff;z-index:35}
 .mobile-app-bar .app-dock-icon{display:grid;place-items:center;flex-shrink:0;width:40px;height:46px;border-radius:10px;background:#ffffff14;border:1px solid #ffffff2b}
 .mobile-app-bar .app-dock-icon svg{width:23px;height:28px}.mobile-app-bar .app-dock-copy{flex:1;min-width:0;display:grid;gap:3px}.mobile-app-bar .app-dock-copy strong{font-size:.92rem;line-height:1.2;color:white}.mobile-app-bar .app-dock-copy span{font-size:.72rem;line-height:1.35;color:#c9e4dc}.mobile-app-bar a{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;flex-shrink:0;padding:12px 14px;border-radius:10px;color:#123f3b;background:#fff;font-size:.83rem;font-weight:750;border:1px solid white;box-shadow:0 2px 8px #0001}.mobile-app-bar a span{font-size:inherit}.mobile-app-bar a:hover{background:#daf6e7;transform:translateY(-1px)}.mobile-app-bar a:active{transform:scale(.97)}
 .site-footer{padding-bottom:125px}.consent-banner{bottom:112px}.study-tile-copy{padding:18px}.syllabus-grid{grid-template-columns:1fr}
}
@media(max-width:480px){.study-tile{padding:0;gap:0;min-height:0;border-radius:14px}.study-tile-photo{aspect-ratio:1.35}.study-tile-image-title{font-size:1.55rem;padding:9px}.study-tile-image-title.is-number{font-size:5.5rem}.study-tile-copy{padding:15px 10px 13px}.study-tile .study-tile-title{font-size:1.12rem;min-height:2.5em}.study-tile .study-tile-level{font-size:.7rem;min-height:3em;margin-bottom:15px}.study-tile-button{font-size:.68rem;padding:10px 22px;min-height:44px;border-radius:7px}.study-tile-arrow{right:8px;font-size:14px}.course-grid .study-tile-title{min-height:0}.syllabus-card{padding:20px}.syllabus-actions{flex-direction:column;align-items:stretch}.updates-pagination{gap:10px;justify-content:space-between}.updates-pagination .button{font-size:.78rem;padding:11px 14px}.updates-pagination>span{font-size:.78rem}.mobile-app-bar{gap:9px;padding:11px 12px}.mobile-app-bar .app-dock-icon{width:32px;height:40px}.mobile-app-bar .app-dock-copy strong{font-size:.85rem}.mobile-app-bar .app-dock-copy span{font-size:.67rem}.mobile-app-bar a{font-size:.77rem;padding:11px 12px}}
@media(prefers-reduced-motion:reduce){.study-tile,.mobile-app-bar a{transition:none}.study-tile:hover,.mobile-app-bar a:hover,.mobile-app-bar a:active{transform:none}}