.bk[data-astro-cid-xglhyxzr]{max-width:1060px;margin:0 auto;padding:64px 32px 96px}.bk__head[data-astro-cid-xglhyxzr]{max-width:720px;margin:0 0 56px}.bk__eyebrow[data-astro-cid-xglhyxzr]{font-family:var(--md-font-mono);font-size:11.5px;letter-spacing:.15em;color:var(--md-color-cyan);margin:0 0 14px}.bk__h1[data-astro-cid-xglhyxzr]{margin:0 0 16px;font-family:var(--md-font-display);font-weight:800;font-size:40px;letter-spacing:-.025em;line-height:1.08;color:#fff;text-wrap:balance}.bk__lead[data-astro-cid-xglhyxzr]{margin:0;font-size:17.5px;line-height:1.6;color:#a9c7cd;max-width:58ch}.bk__book[data-astro-cid-xglhyxzr]{margin:0 0 68px;padding-bottom:60px;border-bottom:1px solid rgba(121,241,247,.12);display:grid;grid-template-columns:280px 1fr;gap:48px;align-items:start}.bk__cover[data-astro-cid-xglhyxzr] img[data-astro-cid-xglhyxzr]{width:100%;height:auto;display:block;border-radius:6px;box-shadow:0 22px 54px #020c1299}.bk__title[data-astro-cid-xglhyxzr]{margin:0;font-family:var(--md-font-display);font-weight:800;font-size:30px;letter-spacing:-.02em;line-height:1.1;color:#fff}.bk__sub[data-astro-cid-xglhyxzr]{margin:9px 0 0;font-size:15.5px;line-height:1.45;color:var(--md-color-cyan)}.bk__by[data-astro-cid-xglhyxzr]{margin:14px 0 0;font-family:var(--md-font-mono);font-size:12px;letter-spacing:.04em;color:#84a4ab}.bk__fw[data-astro-cid-xglhyxzr]{color:#6e8b99}.bk__pitch[data-astro-cid-xglhyxzr]{margin:24px 0 0;font-size:16.5px;line-height:1.65;color:#c3d4dd;max-width:62ch}.bk__quotes[data-astro-cid-xglhyxzr]{margin:30px 0 0;display:flex;flex-direction:column;gap:20px}.bk__quote[data-astro-cid-xglhyxzr]{margin:0;padding:0 0 0 20px;border-left:3px solid var(--md-color-green)}.bk__quote[data-astro-cid-xglhyxzr] blockquote[data-astro-cid-xglhyxzr]{margin:0;font-size:18.5px;line-height:1.5;letter-spacing:-.01em;color:#fff;text-wrap:pretty}.bk__quote[data-astro-cid-xglhyxzr] figcaption[data-astro-cid-xglhyxzr]{margin-top:9px;font-family:var(--md-font-mono);font-size:11px;letter-spacing:.05em;color:#6e8b99}.bk__buy[data-astro-cid-xglhyxzr]{margin:34px 0 0;display:flex;align-items:center;flex-wrap:wrap;gap:16px}.bk__btn[data-astro-cid-xglhyxzr]{display:inline-block;padding:13px 26px;border-radius:8px;background:var(--md-color-cyan);color:var(--md-color-ink-on-accent);text-decoration:none;font-family:var(--md-font-mono);font-size:12.5px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;transition:background-color .15s}.bk__btn[data-astro-cid-xglhyxzr]:hover{background:var(--md-color-cyan-bright)}.bk__alt[data-astro-cid-xglhyxzr]{color:#9fc0c7;font-size:13.5px}.bk__isbn[data-astro-cid-xglhyxzr]{font-family:var(--md-font-mono);font-size:11px;color:#52707c;margin-left:auto}.bk__faq[data-astro-cid-xglhyxzr]{max-width:800px;margin:0 auto 76px}.bk__faq-h[data-astro-cid-xglhyxzr]{margin:0 0 22px;font-family:var(--md-font-display);font-size:26px;font-weight:800;letter-spacing:-.02em}.bk__faq-list[data-astro-cid-xglhyxzr]{display:flex;flex-direction:column;gap:2px}.bk__faq-item[data-astro-cid-xglhyxzr]{border-bottom:1px solid rgba(121,241,247,.12)}.bk__faq-item[data-astro-cid-xglhyxzr] summary[data-astro-cid-xglhyxzr]{cursor:pointer;list-style:none;padding:18px 34px 18px 0;position:relative;font-size:17px;font-weight:700;color:#fff;line-height:1.4}.bk__faq-item[data-astro-cid-xglhyxzr] summary[data-astro-cid-xglhyxzr]::-webkit-details-marker{display:none}.bk__faq-item[data-astro-cid-xglhyxzr] summary[data-astro-cid-xglhyxzr]:after{content:"";position:absolute;right:6px;top:25px;width:7px;height:7px;border-right:2px solid var(--md-color-green);border-bottom:2px solid var(--md-color-green);transform:rotate(45deg);transition:transform .15s}.bk__faq-item[data-astro-cid-xglhyxzr][open] summary[data-astro-cid-xglhyxzr]:after{transform:rotate(-135deg);top:28px}.bk__faq-item[data-astro-cid-xglhyxzr] summary[data-astro-cid-xglhyxzr]:focus-visible{outline:2px solid var(--md-color-cyan);outline-offset:3px}.bk__faq-item[data-astro-cid-xglhyxzr] p[data-astro-cid-xglhyxzr]{margin:0 0 20px;font-size:16px;line-height:1.65;color:#a9c7cd;max-width:68ch}@media(prefers-reduced-motion:reduce){.bk__faq-item[data-astro-cid-xglhyxzr] summary[data-astro-cid-xglhyxzr]:after{transition:none}}.bk__close[data-astro-cid-xglhyxzr]{max-width:660px}.bk__close-h[data-astro-cid-xglhyxzr]{margin:0 0 12px;font-family:var(--md-font-display);font-weight:800;font-size:26px;letter-spacing:-.02em;color:#fff}.bk__close-p[data-astro-cid-xglhyxzr]{margin:0 0 22px;font-size:16px;line-height:1.6;color:#a9c7cd}.bk__close-links[data-astro-cid-xglhyxzr]{display:flex;flex-wrap:wrap;gap:22px}.bk__close-links[data-astro-cid-xglhyxzr] a[data-astro-cid-xglhyxzr]{font-family:var(--md-font-mono);font-size:12.5px;letter-spacing:.05em;color:var(--md-color-cyan)}@media(max-width:860px){.bk[data-astro-cid-xglhyxzr]{padding:44px 20px 72px}.bk__book[data-astro-cid-xglhyxzr]{grid-template-columns:1fr;gap:28px}.bk__cover[data-astro-cid-xglhyxzr]{max-width:220px}.bk__h1[data-astro-cid-xglhyxzr]{font-size:30px}.bk__title[data-astro-cid-xglhyxzr]{font-size:25px}.bk__quote[data-astro-cid-xglhyxzr] blockquote[data-astro-cid-xglhyxzr]{font-size:17px}.bk__isbn[data-astro-cid-xglhyxzr]{margin-left:0;width:100%}}