.subject-hero{padding-bottom:3rem}.subject-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;align-items:center}.subject-code{background:#10251e;color:#cae09b;border-radius:18px;padding:1.4rem;box-shadow:0 18px 45px rgba(13,39,30,.2);font:500 .9rem/1.75 ui-monospace,SFMono-Regular,Consolas,monospace}.subject-code span{color:#87b9ff}.subject-code strong{color:#fff}.subject-overview{padding:3.5rem 0}.outcome-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2rem}.outcome-card{background:#fff;border:1px solid #dfe7e2;border-radius:15px;padding:1.3rem}.outcome-card span{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:#e8f5ed;color:#176546;font-weight:800}.outcome-card h3{font-size:1.05rem;margin:.8rem 0 .4rem}.outcome-card p{font-size:.84rem;color:#68766f;line-height:1.55}.curriculum-section{background:#eef5f1;padding:4rem 0}.curriculum-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:1.4rem;align-items:start}.curriculum-intro{position:sticky;top:95px}.curriculum-intro h2{margin:.4rem 0}.curriculum-intro p{color:#68766f;line-height:1.65}.module-list{display:grid;gap:.8rem}.subject-module{background:#fff;border:1px solid #dfe7e2;border-radius:14px;overflow:hidden}.module-toggle{width:100%;display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:.8rem;text-align:left;border:0;background:#fff;padding:1rem;cursor:pointer}.module-toggle:hover{background:#f8fbf9}.module-index{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:#e8f5ed;color:#176546;font-weight:800}.module-toggle strong,.module-toggle small{display:block}.module-toggle small{color:#75827c;margin-top:.2rem}.module-arrow{color:#75827c;font-size:1.2rem}.module-lessons{display:none;border-top:1px solid #e3e9e5;padding:.4rem 1rem 1rem 4.7rem}.subject-module.open .module-lessons{display:block}.subject-module.open .module-arrow{transform:rotate(180deg)}.module-lessons li{padding:.55rem 0;color:#52625b;font-size:.86rem}.module-lessons li::marker{color:#23825b}.lesson-player-section{padding:4rem 0}.lesson-player{display:grid;grid-template-columns:1.25fr .75fr;background:#fff;border:1px solid #dfe7e2;border-radius:18px;overflow:hidden;box-shadow:0 12px 34px rgba(19,55,43,.08)}.subject-video{width:100%;aspect-ratio:16/9;background:#10251e}.video-empty{height:100%;display:grid;place-items:center;text-align:center;color:#d5e4dd;padding:2rem}.video-empty span{font-size:2rem}.video-copy{padding:1.6rem}.video-copy h2{margin:.4rem 0}.video-copy p{color:#68766f;line-height:1.6}.video-upload{display:grid;gap:.7rem;margin-top:1rem}.video-upload input{font:inherit;font-size:.8rem}.subject-note{margin-bottom:4rem;padding:1rem 1.2rem;background:#fff8e8;border-left:4px solid #d99b25;border-radius:8px;color:#59491f;font-size:.84rem}@media(max-width:850px){.subject-hero-grid,.curriculum-layout,.lesson-player{grid-template-columns:1fr}.curriculum-intro{position:static}.outcome-grid{grid-template-columns:1fr}.video-copy{padding:1.2rem}}@media(max-width:520px){.subject-overview,.curriculum-section,.lesson-player-section{padding:2rem 0}.module-lessons{padding-left:2rem}.module-toggle{grid-template-columns:35px 1fr auto}}