:root{--color-brand-primary: #21A4DD;--color-brand-secondary: #084983;--color-brand-accent: #6FE0FF;--color-brand-bg: #071A2E;--color-brand-surface: #0C2845;--color-brand-text: #EAF2F8;--color-brand-muted: #8AA2B6;--font-heading: "Space Grotesk Variable", system-ui, sans-serif;--font-body: "IBM Plex Sans Variable", system-ui, sans-serif}html{scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{background:var(--color-brand-bg);color:var(--color-brand-text)}::selection{background:var(--color-brand-accent);color:var(--color-brand-bg)}a:focus-visible,button:focus-visible{outline:2px solid var(--color-brand-accent);outline-offset:3px;border-radius:4px}.book[data-astro-cid-uk4drrvt]{position:relative}.book-sec[data-astro-cid-uk4drrvt]{background:radial-gradient(900px 520px at 82% -10%,#08498342,#0000 70%),radial-gradient(700px 480px at 6% 108%,#21a4dd24,#0000 70%);padding:8.5rem 1.5rem 5rem;position:relative;overflow:hidden}@supports 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