:root{--nhs-blue: #005EB8;--nhs-dark: #003087;--nhs-bright: #0072CE;--nhs-light: #41B6E6;--warm-white: #F0F4F5;--surface: #FFFFFF;--text: #212B32;--muted: #4C6272;--border: #D8DDE0;--green: #007F3B;--red: #D5281B;--base-font-size: 17px}*{box-sizing:border-box}html{font-size:var(--base-font-size)}body{margin:0;font-family:Frutiger W01,Frutiger,Helvetica Neue,Helvetica,Arial,sans-serif;color:var(--text);background:var(--warm-white);line-height:1.55;-webkit-font-smoothing:antialiased}a{color:var(--nhs-bright);text-decoration:underline;text-underline-offset:2px}a:hover{text-decoration:none}header.site{background:var(--nhs-blue);color:#fff;border-bottom:4px solid var(--nhs-dark)}.site-inner{max-width:980px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;gap:14px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}.brand-name{font-size:1.2rem;font-weight:700;letter-spacing:-.01em}.brand-sub{font-size:.78rem;opacity:.9}nav.top{margin-left:auto;display:flex;gap:22px;font-size:.95rem}nav.top a{color:#fff;text-decoration:none;opacity:.9}nav.top a:hover{text-decoration:underline;opacity:1}.knee-logo{width:44px;height:44px;flex-shrink:0}.knee-logo path{fill:#fff}.knee-logo .patella{fill:var(--nhs-light)}main{display:block}.container{max-width:760px;margin:0 auto;padding:0 20px}.container-wide{max-width:980px;margin:0 auto;padding:0 20px}.hero{background:linear-gradient(180deg,var(--warm-white) 0%,#fff 100%);padding:56px 20px 40px;border-bottom:1px solid var(--border)}.hero-inner{max-width:760px;margin:0 auto;text-align:left}.hero h1{font-size:2.2rem;margin:0 0 14px;color:var(--nhs-dark);letter-spacing:-.01em;line-height:1.15}.hero p.lead{font-size:1.15rem;color:var(--muted);margin:0;max-width:60ch}.hero-meta{margin-top:22px;font-size:.9rem;color:var(--muted)}.about-section{padding:40px 0 10px}.about-section p{margin:12px 0;max-width:70ch}.leaflet-section{padding:30px 0 60px}.section-h{font-size:1.3rem;margin:0 0 18px;color:var(--text);font-weight:700}.leaflet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}.leaflet-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:22px;transition:transform .15s ease,box-shadow .15s ease;text-decoration:none;color:inherit;display:block;border-left:5px solid var(--nhs-blue)}.leaflet-card:hover{transform:translateY(-2px);box-shadow:0 6px 20px #00308714;cursor:pointer}.leaflet-card h3{margin:0 0 8px;font-size:1.15rem;color:var(--nhs-dark)}.leaflet-card .desc{color:var(--muted);font-size:.95rem;margin:0 0 12px}.leaflet-card .meta{font-size:.82rem;color:var(--muted);display:flex;gap:12px;border-top:1px solid var(--border);padding-top:10px}.leaflet-card.coming{opacity:.6;border-left-color:var(--border)}.leaflet-card.coming:hover{transform:none;box-shadow:none;cursor:default}.pill{display:inline-block;background:#e8edee;color:var(--muted);padding:2px 8px;border-radius:10px;font-size:.7rem;font-weight:600;letter-spacing:.02em}.pill-soon{background:#fff3e0;color:#8a5a00}.leaflet-header{background:#fff;border-bottom:1px solid var(--border);padding:28px 20px 20px}.leaflet-header-inner{max-width:760px;margin:0 auto}.crumb{font-size:.85rem;color:var(--muted);margin-bottom:10px}.crumb a{color:var(--muted);text-decoration:none}.crumb a:hover{text-decoration:underline}.leaflet-title{font-size:1.95rem;color:var(--nhs-dark);margin:0 0 6px;letter-spacing:-.01em;line-height:1.2}.leaflet-subtitle{color:var(--muted);font-size:1rem;margin:0}.actions-bar{background:#fff;border-bottom:1px solid var(--border);padding:10px 20px;position:sticky;top:0;z-index:5}.actions-inner{max-width:760px;margin:0 auto;display:flex;gap:8px;flex-wrap:wrap;align-items:center;font-size:.9rem}.seg{display:inline-flex;border:1px solid var(--border);border-radius:6px;overflow:hidden}.seg button{background:#fff;border:0;padding:6px 12px;cursor:pointer;font-size:.88rem;color:var(--text);border-right:1px solid var(--border)}.seg button:last-child{border-right:0}.seg button.active{background:var(--nhs-blue);color:#fff}.iconbtn{background:#fff;border:1px solid var(--border);border-radius:6px;padding:6px 10px;cursor:pointer;color:var(--text);font-size:.88rem;display:inline-flex;align-items:center;gap:5px;text-decoration:none}.iconbtn:hover{border-color:var(--nhs-blue);color:var(--nhs-blue)}.spacer{flex:1}article.leaflet{background:#fff;border-bottom:1px solid var(--border);padding:30px 20px 60px}article.leaflet>div{max-width:760px;margin:0 auto}article.leaflet h2{font-size:1.45rem;color:var(--nhs-dark);margin:36px 0 10px;border-bottom:2px solid var(--nhs-light);padding-bottom:4px}article.leaflet h2:first-of-type{margin-top:8px}article.leaflet h3{font-size:1.1rem;color:var(--text);margin:24px 0 8px}article.leaflet p{margin:10px 0 14px}article.leaflet ul{margin:8px 0 16px;padding-left:22px}article.leaflet ul li{margin-bottom:6px}.callout{background:#e8f3fb;border-left:4px solid var(--nhs-blue);padding:14px 18px;margin:18px 0;border-radius:0 6px 6px 0;font-size:.97rem}.callout.warn{background:#fbeaea;border-left-color:var(--red)}.callout strong{color:var(--nhs-dark)}.callout.warn strong{color:var(--red)}.leaflet-footer{background:var(--warm-white);padding:24px 20px;border-top:1px solid var(--border);font-size:.88rem;color:var(--muted)}.leaflet-footer-inner{max-width:760px;margin:0 auto}.leaflet-footer .row{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 16px;padding-bottom:8px}.leaflet-footer a{color:var(--nhs-bright)}.lock-gate{background:#fff;border:1px solid var(--border);border-radius:10px;padding:36px 28px;margin:40px auto;max-width:520px;text-align:center;box-shadow:0 4px 18px #0030870f}.lock-gate .lock-icon{width:56px;height:56px;margin:0 auto 14px;background:#e8f3fb;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--nhs-blue);font-size:28px}.lock-gate h2{margin:0 0 8px;color:var(--nhs-dark);font-size:1.35rem}.lock-gate p{margin:6px 0 14px;color:var(--muted);font-size:.95rem}.lock-form{display:flex;gap:8px;justify-content:center;margin-top:16px}.lock-form input{flex:1;max-width:240px;padding:10px 12px;border:1px solid var(--border);border-radius:6px;font-size:1rem;font-family:inherit}.lock-form input:focus{outline:2px solid var(--nhs-blue);outline-offset:-1px}.lock-form button{background:var(--nhs-blue);color:#fff;border:0;padding:10px 18px;border-radius:6px;cursor:pointer;font-size:1rem;font-weight:600}.lock-form button:hover{background:var(--nhs-dark)}.lock-error{color:var(--red);font-size:.9rem;margin-top:10px;min-height:1.2em}.protected-badge{display:inline-flex;align-items:center;gap:5px;background:#e8f3fb;color:var(--nhs-dark);border-radius:12px;padding:2px 10px;font-size:.78rem;font-weight:600;margin-left:10px;vertical-align:middle}footer.site{background:var(--nhs-dark);color:#cdd6e0;padding:44px 20px 30px;font-size:.88rem;text-align:center}footer.site .inner{max-width:600px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:4px}footer.site .footer-logo{width:60px;height:60px;margin-bottom:6px}footer.site .footer-logo path{fill:#fff}footer.site .footer-logo .patella{fill:var(--nhs-light)}footer.site .footer-brand{color:#fff;font-weight:700;font-size:1.15rem;letter-spacing:-.01em}footer.site .footer-sub{color:#a4b3c4;font-size:.85rem;margin-bottom:12px}footer.site .footer-links{display:flex;gap:22px;margin-top:8px;margin-bottom:14px;flex-wrap:wrap;justify-content:center}footer.site .footer-links a{color:#fff;opacity:.9}footer.site .footer-links a:hover{opacity:1}footer.site .copyright{color:#8b9aab;font-size:.8rem}footer.site a{color:#fff}body.text-large{--base-font-size: 19px}body.text-xlarge{--base-font-size: 22px}@media(max-width:600px){.hero h1{font-size:1.7rem}.leaflet-title{font-size:1.55rem}nav.top{display:none}.actions-inner{gap:6px}.iconbtn,.seg button{padding:5px 8px;font-size:.82rem}}