:root{--book-ink:#172238;--book-muted:#536074;--book-paper:#f1f5fa;--book-surface:#ffffff;--book-accent:#1565c0;--book-accent-deep:#0d47a1;--book-line:#d7e0ea;--book-focus:#ffb300}::selection{background:#bbdefb;color:#0d2a4a}.home-shell{flex-direction:column;gap:4.8rem;padding-top:3.2rem;padding-bottom:4.8rem}.home-book{display:grid;grid-template-columns:13rem minmax(0,48rem);gap:3.2rem;align-items:center;width:min(100%,68rem);padding-top:3.2rem;border-top:1px solid var(--book-line);text-align:left}.home-book__cover{display:block;width:100%;height:auto;filter:drop-shadow(0 1.2rem 1.2rem rgba(18,38,63,.18));transform:rotate(-1.5deg)}.home-book__copy h2{margin:0 0 .8rem;font-size:2.8rem;line-height:1.15}.home-book__copy p{margin:0 0 1.6rem;color:var(--book-muted);line-height:1.55}.book-link{display:inline-flex;align-items:center;min-height:4.4rem;padding:.7rem 0;font-weight:700;text-decoration:underline;text-decoration-thickness:.15rem;text-underline-offset:.35rem}.book-link:focus-visible,.book-button:focus-visible{outline:3px solid var(--book-focus);outline-offset:4px}.book-page{width:100%;max-width:112rem;margin:0 auto;padding:5.6rem 2rem 8rem;color:var(--book-ink)}.book-page h1,.book-page h2,.book-page h3{color:var(--book-ink)}.book-hero{display:grid;grid-template-columns:minmax(25rem,34rem)minmax(0,1fr);gap:clamp(4rem,8vw,9.6rem);align-items:center}.book-hero__art{position:relative;padding:2.4rem}.book-hero__art::before{content:"";position:absolute;inset:8% 2% 2% 10%;z-index:-1;background:#dce8f4;border-radius:14px;transform:rotate(4deg)}.book-hero__cover{display:block;width:100%;height:auto;filter:drop-shadow(0 2.4rem 2.2rem rgba(18,38,63,.24));transform:rotate(-1.5deg);animation:book-settle 650ms cubic-bezier(.16,1,.3,1)both}@keyframes book-settle{from{filter:drop-shadow(0 1rem 1rem rgba(18,38,63,.12));transform:translateY(1.6rem)rotate(-3deg)}to{filter:drop-shadow(0 2.4rem 2.2rem rgba(18,38,63,.24));transform:translateY(0)rotate(-1.5deg)}}.book-hero h1{max-width:10ch;margin:0 0 1.2rem;font-family:Georgia,times new roman,serif;font-size:clamp(4.8rem,7vw,6rem);font-weight:700;line-height:.98;letter-spacing:-.035em;text-wrap:balance}.book-hero__subtitle{max-width:34ch;margin:0 0 1.2rem;color:var(--book-accent-deep);font-size:clamp(2.2rem,3vw,3rem);font-weight:650;line-height:1.2}.book-hero__authors{margin:0 0 2.4rem;color:var(--book-muted)}.book-hero__lead{max-width:60ch;margin-bottom:2.8rem;font-size:2rem;line-height:1.65}.book-actions{display:flex;flex-wrap:wrap;gap:1.2rem}.book-button{display:inline-flex;align-items:center;justify-content:center;min-height:4.8rem;padding:.9rem 1.8rem;border:2px solid var(--book-accent);border-radius:12px;font-weight:750;line-height:1.25;text-align:center;transition:background-color 160ms ease-out,color 160ms ease-out,transform 160ms ease-out}.book-button:hover{background:var(--book-accent);color:#fff;text-decoration:none;transform:translateY(-2px)}.book-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin:7.2rem 0 0;padding:2.4rem 0;border-top:1px solid var(--book-line);border-bottom:1px solid var(--book-line)}.book-facts div{padding:.4rem 2rem;border-right:1px solid var(--book-line)}.book-facts div:first-child{padding-left:0}.book-facts div:last-child{border-right:0}.book-facts dt{color:var(--book-muted);font-size:1.4rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.book-facts dd{margin:.4rem 0 0;font-size:2rem;font-weight:650}.book-section{display:grid;grid-template-columns:minmax(20rem,.7fr)minmax(0,1.3fr);gap:clamp(3.2rem,8vw,9.6rem);margin-top:8rem;scroll-margin-top:3rem}.book-section h2{margin:0;font-size:clamp(3.2rem,5vw,4.8rem);line-height:1.05;letter-spacing:-.025em;text-wrap:balance}.book-section__body{max-width:70ch}.book-section__body>:first-child{margin-top:0}.book-section__body p{text-align:left}.book-audience{display:grid;gap:2.4rem;margin:0}.book-audience div{padding-bottom:2.4rem;border-bottom:1px solid var(--book-line)}.book-audience div:last-child{border-bottom:0}.book-audience dt{font-size:2rem;font-weight:750}.book-audience dd{margin:.8rem 0 0;color:var(--book-muted)}.book-topics{columns:2;column-gap:3.2rem;margin:0;padding-left:2.2rem}.book-topics li{break-inside:avoid;margin-bottom:1.2rem;padding-left:.4rem}.book-recording{padding:2.8rem;background:var(--book-paper);border-radius:14px}.book-recording strong{display:block;margin-bottom:.6rem;font-size:2rem}.book-recording p{margin:0}.video-embed{position:relative;width:100%;overflow:hidden;background:#101827;border-radius:14px;box-shadow:0 1.6rem 3.2rem rgba(18,38,63,.18);aspect-ratio:16/9}.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.book-video-caption{margin-bottom:.4rem;color:var(--book-muted)}.book-close{margin-top:8rem;padding-top:4.8rem;border-top:1px solid var(--book-line);text-align:center}.book-close h2{margin:0 auto 1.6rem;font-size:clamp(3.2rem,5vw,5rem);line-height:1.08}.book-close p{max-width:56ch;margin:0 auto 2.4rem;color:var(--book-muted);text-align:center}.book-callout{display:grid;grid-template-columns:7rem 1fr;gap:1.8rem;align-items:center;margin:4rem 0;padding:2.4rem 0;border-top:1px solid var(--book-line);border-bottom:1px solid var(--book-line)}.book-callout img{width:100%;height:auto}.book-callout p{margin:0 0 .6rem;text-align:left!important}.book-callout a{font-weight:750}body.colorscheme-dark{--book-ink:#eef4fb;--book-muted:#b5c2d1;--book-paper:#2b3542;--book-surface:#212121;--book-accent:#64b5f6;--book-accent-deep:#90caf9;--book-line:#465363;color:#dadada;background-color:#212121}body.colorscheme-dark .navigation a,body.colorscheme-dark .navigation-title,body.colorscheme-dark .navigation-link,body.colorscheme-dark .footer a{color:#dadada}body.colorscheme-dark .book-button:hover{color:#102238}body.colorscheme-auto{@media(prefers-color-scheme:dark){--book-ink: #eef4fb; --book-muted: #b5c2d1; --book-paper: #2b3542; --book-surface: #212121; --book-accent: #64b5f6; --book-accent-deep: #90caf9; --book-line: #465363;}}@media(max-width:768px){.home-shell{gap:3.2rem;padding-top:1.6rem}.home-book{grid-template-columns:9rem 1fr;gap:2rem;padding-top:2.4rem}.home-book__copy h2{font-size:2.2rem}.home-book__copy p{font-size:1.5rem}.book-page{padding-top:3.2rem}.book-hero{grid-template-columns:1fr;gap:3.2rem}.book-hero__art{width:min(76vw,30rem);margin:0 auto}.book-hero h1{max-width:none;font-size:clamp(4.2rem,15vw,6rem)}.book-hero__lead{font-size:1.8rem}.book-facts{grid-template-columns:repeat(2,1fr)}.book-facts div{padding:1.4rem;border-bottom:1px solid var(--book-line)}.book-facts div:nth-child(2){border-right:0}.book-facts div:nth-last-child(-n+2){border-bottom:0}.book-facts div:first-child{padding-left:1.4rem}.book-section{grid-template-columns:1fr;gap:2.4rem;margin-top:6.4rem}.book-topics{columns:1}}@media(max-width:480px){.home-book{grid-template-columns:7.5rem 1fr;gap:1.6rem}.home-book__copy p{display:none}.book-actions{flex-direction:column}.book-button{width:100%}.book-facts{grid-template-columns:1fr}.book-facts div,.book-facts div:nth-last-child(-n+2){border-right:0;border-bottom:1px solid var(--book-line)}.book-facts div:last-child{border-bottom:0}}@media(prefers-reduced-motion:reduce){.book-button{transition:none}.book-button:hover{transform:none}.book-hero__cover{animation:none}}