:root{--teal:#00aab7;--teal-dark:#007985;--navy:#132d3b;--orange:#f18b28;--paper:#faf9f5;--line:#dce2e1;--muted:#62717a;--white:#fff;--shadow:0 18px 48px #142d3b24;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--navy);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit}button{color:var(--navy)}button:disabled{cursor:default;opacity:.32}button:focus-visible,a:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--orange);outline-offset:3px}button svg,a svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}[hidden]{display:none!important}.reader-shell{height:100vh;height:100dvh;min-height:440px;display:flex;flex-direction:column;overflow:hidden;position:relative}.masthead{height:96px;min-height:96px;background:var(--white);padding:18px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line);z-index:3}.wordmark{display:flex;align-items:center;gap:12px;text-decoration:none;white-space:nowrap}.brand-badge{display:flex;align-items:baseline;justify-content:center;border:2px solid var(--teal);border-radius:17px;letter-spacing:-3px;background:var(--navy);color:#fff;font-weight:850;font-size:26px;line-height:48px;width:58px;height:52px;padding-left:2px}.brand-badge span{color:var(--orange);font-size:21px;letter-spacing:0;margin-left:2px}.wordmark strong{display:block;font-size:24px;letter-spacing:-1px;line-height:1.2}.wordmark small{display:block;margin-top:5px;font-size:9px;font-weight:750;letter-spacing:2.1px;color:var(--teal-dark)}.header-copy{font-size:13px;line-height:1.6;color:var(--muted);margin-right:auto;padding-left:30px;border-left:1px solid var(--line)}.header-copy strong{font-weight:500;color:var(--navy)}.contact{display:flex;align-items:center;gap:11px;text-decoration:none;font-size:10px;color:var(--muted)}.contact svg{width:34px;height:34px;stroke:var(--teal-dark);padding:6px;background:#e7f6f5;border-radius:50%}.contact strong{display:block;color:var(--navy);font-size:15px;letter-spacing:.4px;margin-top:3px}.toolbar{height:62px;min-height:62px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 28px;background:var(--paper);z-index:3;border-bottom:1px solid var(--line)}.tool-group{display:flex;gap:7px;align-items:center}.tool-button{display:flex;gap:8px;align-items:center;border:1px solid transparent;background:transparent;padding:9px 11px;border-radius:8px;font-size:12px;font-weight:600}.tool-button:hover,.tool-button[aria-expanded=true]{border-color:#bfe7e8;background:#e9f6f5;color:var(--teal-dark)}.toolbar-title{font-size:11px;color:var(--muted);letter-spacing:.4px}.reading-area{position:relative;flex:1;min-height:180px;display:flex;align-items:center;justify-content:center;isolation:isolate;background:#e9edeb;overflow:hidden}.ambient{position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse at 50% 30%,#fff9 0%,#fff0 70%),linear-gradient(135deg,#edf0ed,#dde5e3)}.book-space{height:100%;width:100%;display:flex;align-items:center;justify-content:center;padding:20px 72px 24px;overflow:hidden}.book{display:none;margin:auto;filter:drop-shadow(0 13px 15px #142d3b25)}.book.ready{display:block}.catalogue-page{background:#fff;overflow:hidden}.catalogue-page .page-inner{position:relative;inset:0;width:100%;height:100%;background:#fff;overflow:hidden}.catalogue-page .page-image{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#fff;display:block;user-select:none;-webkit-user-drag:none}.page-loader{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--muted);font-size:12px;background:#fefefc}.page-loader strong{font-size:34px;font-weight:300;color:#ccd4d3}.page-inner.is-loaded .page-loader{display:none}.page-inner:not(.is-loaded) .page-image{visibility:hidden}.page-retry{margin-top:10px;padding:8px 12px;border:1px solid var(--teal);color:var(--teal-dark);background:white;border-radius:6px;font-size:12px}.page-link{display:block;position:absolute;background:transparent;border:1px solid transparent;z-index:2}.page-link:hover{background:#00aab71c;border-color:#00aab780;border-radius:3px}.page-link:focus-visible{background:#00aab729;outline-offset:0}.turn-button{position:absolute;z-index:3;top:50%;transform:translateY(-50%);background:#fffffff0;box-shadow:0 4px 14px #132d3b10;border:1px solid #ffffff;border-radius:50%;height:42px;width:42px;display:grid;place-items:center}.turn-button:not(:disabled):hover{background:var(--navy);color:#fff;border-color:var(--navy)}.turn-button.previous{left:18px}.turn-button.next{right:18px}.page-progress{position:absolute;left:0;right:0;bottom:0;height:3px;background:#cad6d3;z-index:4}.page-progress span{height:3px;display:block;background:var(--teal);min-width:4px;transition:width .35s ease}.reader-footer{height:62px;min-height:62px;display:flex;gap:16px;align-items:center;justify-content:space-between;padding:0 28px;background:white;border-top:1px solid var(--line)}.reading-hint{font-size:10px;color:var(--muted);flex:1}.mobile-hint{display:none}.edition{font-size:8px;letter-spacing:1.1px;color:var(--muted);flex:1;text-align:right}.page-jump{display:flex;align-items:center;gap:8px;font-size:11px;white-space:nowrap}.page-jump input{width:55px;border:1px solid var(--line);border-radius:6px;padding:7px 3px 7px 7px;background:var(--paper);text-align:center;font-weight:650;color:var(--navy);-moz-appearance:textfield}.page-jump input::-webkit-inner-spin-button{display:none}.page-jump button{background:var(--navy);border:0;display:grid;place-items:center;padding:5px;border-radius:6px;color:#fff}.page-jump button svg{width:19px;height:19px}.initial-status{position:absolute;z-index:5;display:flex;flex-direction:column;gap:11px;align-items:center;max-width:360px;padding:20px;text-align:center}.initial-status strong{font-size:18px;font-weight:600}.initial-status>span:last-child{font-size:12px;color:var(--muted)}.initial-status button{padding:10px 20px;background:var(--navy);color:#fff;border:0;border-radius:8px}.spinner{width:28px;height:28px;border:2px solid #c7d9d7;border-top-color:var(--teal);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:6px}@keyframes spin{to{transform:rotate(360deg)}}.screen-reader-only{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important}.drawer-backdrop{position:absolute;inset:158px 0 62px;background:#132d3b33;z-index:9;backdrop-filter:blur(2px)}.drawer{position:absolute;left:0;top:158px;bottom:62px;width:380px;max-width:100%;background:var(--paper);z-index:10;box-shadow:8px 0 30px #132d3b25;overflow:auto;display:flex;flex-direction:column}.drawer-heading{display:flex;align-items:center;justify-content:space-between;padding:25px 24px 19px;border-bottom:1px solid var(--line);gap:12px}.eyebrow{font-size:8px;color:var(--teal-dark);font-weight:750;letter-spacing:1.4px}.drawer h2{font-size:21px;letter-spacing:-.7px;margin:8px 0 0;font-weight:650}.icon-button{background:none;border:0;border-radius:7px;display:grid;place-items:center;min-width:36px;height:36px;font-size:27px;line-height:1}.icon-button:hover{background:#e5eeee}.toc-items{padding:10px 14px}.toc-link{border:0;border-bottom:1px solid #e3e7e3;display:flex;width:100%;align-items:center;text-align:left;justify-content:space-between;padding:15px 10px;gap:10px;background:transparent;font-size:13px;line-height:1.4}.toc-link:hover,.toc-link.is-active{background:#e5f3f0;color:var(--teal-dark);border-radius:6px}.toc-link.subsection{font-size:12px;padding-left:23px}.toc-link small{font-size:10px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}.drawer-note{margin:auto 24px 0;padding:24px 0;font-size:11px;line-height:1.9;color:var(--muted)}.drawer-note a{color:var(--teal-dark);font-weight:650;text-underline-offset:3px}.search-form{display:flex;margin:22px 24px 8px;border:1px solid #b7cfcc;border-radius:8px;background:#fff;align-items:center}.search-form input{min-width:0;flex:1;border:0;background:transparent;padding:12px;color:var(--navy);font-size:12px}.search-form .icon-button{color:var(--teal-dark);margin-right:4px}.search-status{margin:8px 24px 18px;font-size:11px;color:var(--muted);line-height:1.6}.search-results{padding:0 14px 20px}.search-result{width:100%;border:0;border-bottom:1px solid var(--line);text-align:left;background:transparent;padding:15px 10px;display:block;border-radius:5px}.search-result:hover{background:#e5f3f0}.search-result strong{display:block;color:var(--teal-dark);font-size:12px;margin-bottom:7px}.search-result p{font-size:11px;line-height:1.7;color:var(--muted);margin:0;overflow-wrap:anywhere}.search-result mark{background:#f9dfbe;color:var(--navy);padding:1px 2px;border-radius:2px}.zoom-dialog{width:calc(100% - 40px);height:calc(100% - 40px);max-width:1300px;max-height:none;padding:0;border:0;border-radius:12px;background:var(--paper);color:var(--navy);box-shadow:var(--shadow)}.zoom-dialog[open]{display:flex;flex-direction:column}.zoom-dialog::backdrop{background:#10222ee6;backdrop-filter:blur(4px)}.zoom-header{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:10px 20px;border-bottom:1px solid var(--line);background:#fff}.zoom-header h2{font-size:14px;margin:0;line-height:1.4}.zoom-controls{display:flex;align-items:center;gap:4px}.zoom-level{background:var(--paper);border:1px solid var(--line);border-radius:5px;padding:6px 10px;font-size:11px;width:70px}.zoom-canvas{flex:1;min-height:0;overflow:auto;background:#dce3e0;padding:24px;text-align:center;touch-action:pan-x pan-y;cursor:grab}.zoom-canvas.dragging{cursor:grabbing;user-select:none}.zoom-canvas img{display:block;margin:0 auto;max-width:none;height:auto;box-shadow:0 3px 16px #132d3b26;-webkit-user-drag:none;user-select:none}.zoom-footer{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;gap:15px;background:#fff;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}.zoom-footer button{font-size:11px;padding:8px 10px;border:1px solid var(--line);border-radius:5px;background:var(--paper)}.zoom-footer button:not(:disabled):hover{border-color:var(--teal);color:var(--teal-dark)}@media(min-width:1500px){.book-space{padding:24px 84px 30px}}@media(max-width:900px){.header-copy{display:none}.toolbar-title{display:none}.reading-hint{max-width:230px;line-height:1.5}.edition{display:none}.reader-footer{justify-content:space-between}.page-jump{margin-left:auto}}@media(max-width:600px){.reader-shell{min-height:390px}.masthead{height:76px;min-height:76px;padding:13px 15px;gap:10px}.wordmark{gap:8px}.brand-badge{font-size:21px;width:46px;height:44px;line-height:40px;border-radius:13px}.brand-badge span{font-size:18px}.wordmark strong{font-size:19px}.wordmark small{font-size:7px;letter-spacing:1.6px;margin-top:4px}.contact{gap:6px}.contact svg{width:28px;height:28px}.contact strong{font-size:12px;letter-spacing:0}.contact span{font-size:9px}.toolbar{height:54px;min-height:54px;padding:0 9px;gap:3px}.tool-group{gap:1px}.tool-button{font-size:10px;padding:8px 6px;gap:5px}.tool-button svg{width:18px;height:18px}#fullscreen span{display:none}.book-space{padding:15px 23px 18px}.turn-button{width:28px;height:38px;border-radius:8px;background:#ffffffd9}.turn-button.previous{left:2px}.turn-button.next{right:2px}.turn-button svg{width:19px;height:19px}.reader-footer{height:58px;min-height:58px;padding:0 15px;gap:10px}.desktop-hint{display:none}.mobile-hint{display:inline}.reading-hint{font-size:9px;max-width:140px}.page-jump{gap:5px;font-size:10px}.page-jump input{width:45px;font-size:12px}.drawer-backdrop{inset:130px 0 58px}.drawer{top:130px;bottom:58px;width:350px}.drawer-heading{padding:20px}.zoom-dialog{width:100%;height:100%;border-radius:0;max-width:none;margin:0}.zoom-header{padding:8px 10px}.zoom-canvas{padding:12px}.zoom-footer{padding:8px;gap:6px}.zoom-footer span{display:none}.zoom-footer button{font-size:10px}.zoom-header h2{font-size:12px}.zoom-controls{gap:0}}@media(max-height:560px) and (min-width:601px){.masthead{height:64px;min-height:64px;padding:8px 24px}.toolbar{height:48px;min-height:48px}.reader-footer{height:46px;min-height:46px}.drawer-backdrop{inset:112px 0 46px}.drawer{top:112px;bottom:46px}.book-space{padding:10px 70px 14px}.brand-badge{height:44px;line-height:40px}.wordmark strong{font-size:20px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* Keep the complete book within the available viewport, independent of aspect ratio. */
.book{width:100%;height:100%;min-width:0!important;min-height:0!important}.book .stf__wrapper{position:relative;width:100%;height:100%;padding-bottom:0!important}.book .stf__block{inset:0}.brand-logo{display:block;width:148px;height:76px;object-fit:contain}.brand-edition{font-size:8px;letter-spacing:1.2px;line-height:1.6;color:var(--teal-dark);border-left:1px solid var(--line);padding-left:15px}.brand-edition strong{font-size:23px;line-height:1.1;letter-spacing:1px}.header-copy{padding-left:22px}@media(max-width:600px){.brand-logo{width:104px;height:58px}.brand-edition{font-size:6px;letter-spacing:.7px;padding-left:8px}.brand-edition strong{font-size:18px}.wordmark{gap:8px}.contact svg{display:none}.contact strong{font-size:11px}.contact span{font-size:8px}}@media(max-height:560px) and (min-width:601px){.brand-logo{width:110px;height:54px}.brand-edition strong{font-size:19px}}