.visibility-guide[data-astro-cid-hf6pl7as]{max-width:58rem;margin:0 auto;padding:.5rem 0 3rem}.visibility-guide__back[data-astro-cid-hf6pl7as]{color:var(--color-muted);margin-bottom:1.1rem;font-size:.78rem;text-decoration:none;display:inline-block}.visibility-guide__back[data-astro-cid-hf6pl7as]:hover{color:var(--color-text)}.visibility-guide__hero[data-astro-cid-hf6pl7as]{border-bottom:1px solid var(--color-border);align-items:center;gap:1rem;padding-bottom:1.1rem;display:flex}.visibility-guide__hero[data-astro-cid-hf6pl7as] p[data-astro-cid-hf6pl7as]{color:var(--color-accent);font:.72rem var(--font-mono);letter-spacing:.07em;text-transform:uppercase;margin:0 0 .2rem}.visibility-guide__hero[data-astro-cid-hf6pl7as] h1[data-astro-cid-hf6pl7as]{letter-spacing:-.035em;margin:0;font-size:clamp(1.45rem,3vw,2.2rem);line-height:1.05}.visibility-guide__book[data-astro-cid-hf6pl7as]{border:1px solid color-mix(in srgb, var(--color-accent) 58%, transparent);background:color-mix(in srgb, var(--color-accent) 10%, transparent);width:2.8rem;height:2.8rem;color:var(--color-text);border-radius:.65rem;flex:none;place-items:center;display:grid}.visibility-guide__book[data-astro-cid-hf6pl7as] svg[data-astro-cid-hf6pl7as]{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.45px;width:1.6rem;height:1.6rem}.visibility-guide__intro[data-astro-cid-hf6pl7as]{max-width:48rem;color:var(--color-text);margin:1.25rem 0;font-size:clamp(1rem,2vw,1.14rem);line-height:1.7}.visibility-guide__index[data-astro-cid-hf6pl7as]{border:1px solid var(--color-border);background:var(--color-surface);border-radius:.8rem;margin:1.5rem 0 2.4rem;padding:1rem}.visibility-guide__index[data-astro-cid-hf6pl7as]>strong[data-astro-cid-hf6pl7as]{color:var(--color-muted);letter-spacing:.06em;text-transform:uppercase;margin-bottom:.65rem;font-size:.72rem;display:block}.visibility-guide__index[data-astro-cid-hf6pl7as] ol[data-astro-cid-hf6pl7as]{grid-template-columns:repeat(2,minmax(0,1fr));gap:.3rem .8rem;margin:0;padding:0;list-style:none;display:grid}.visibility-guide__index[data-astro-cid-hf6pl7as] a[data-astro-cid-hf6pl7as]{color:var(--color-text);border-radius:.35rem;align-items:baseline;gap:.5rem;padding:.35rem .4rem;font-size:.85rem;text-decoration:none;display:flex}.visibility-guide__index[data-astro-cid-hf6pl7as] a[data-astro-cid-hf6pl7as]:hover{background:color-mix(in srgb, var(--color-accent) 10%, transparent)}.visibility-guide__index[data-astro-cid-hf6pl7as] a[data-astro-cid-hf6pl7as] span[data-astro-cid-hf6pl7as]{color:var(--color-accent);font:.68rem var(--font-mono)}.visibility-guide__sections[data-astro-cid-hf6pl7as]{gap:1rem;display:grid}.visibility-guide__sections[data-astro-cid-hf6pl7as]>section[data-astro-cid-hf6pl7as]{border:1px solid var(--color-border);background:var(--color-surface);border-radius:.8rem;grid-template-columns:2.8rem minmax(0,1fr);scroll-margin-top:1rem;display:grid;overflow:hidden}.visibility-guide__number[data-astro-cid-hf6pl7as]{border-right:1px solid var(--color-border);color:var(--color-accent);font:700 .72rem var(--font-mono);text-align:center;padding:1.2rem .55rem}.visibility-guide__copy[data-astro-cid-hf6pl7as]{padding:1.1rem 1.2rem 1.2rem}.visibility-guide__copy[data-astro-cid-hf6pl7as] h2[data-astro-cid-hf6pl7as]{color:var(--color-text);margin:0 0 .65rem;font-size:1.25rem}.visibility-guide__copy[data-astro-cid-hf6pl7as] p[data-astro-cid-hf6pl7as]{color:var(--color-muted);margin:.55rem 0;line-height:1.65}.visibility-guide__copy[data-astro-cid-hf6pl7as] ul[data-astro-cid-hf6pl7as],.visibility-guide__copy[data-astro-cid-hf6pl7as] ol[data-astro-cid-hf6pl7as]{color:var(--color-text);margin:.7rem 0;padding-left:1.2rem}.visibility-guide__copy[data-astro-cid-hf6pl7as] li[data-astro-cid-hf6pl7as]{margin:.35rem 0;line-height:1.5}.visibility-guide__steps[data-astro-cid-hf6pl7as]{counter-reset:guide-step;list-style:none;padding:0!important}.visibility-guide__steps[data-astro-cid-hf6pl7as] li[data-astro-cid-hf6pl7as]{counter-increment:guide-step;grid-template-columns:1.8rem 1fr;align-items:baseline;gap:.5rem;display:grid}.visibility-guide__steps[data-astro-cid-hf6pl7as] li[data-astro-cid-hf6pl7as]:before{content:counter(guide-step);border:1px solid color-mix(in srgb, var(--color-accent) 60%, transparent);width:1.45rem;height:1.45rem;color:var(--color-accent-soft);font:700 .65rem var(--font-mono);border-radius:50%;place-items:center;display:grid}.visibility-guide__copy[data-astro-cid-hf6pl7as] aside[data-astro-cid-hf6pl7as]{border-left:3px solid var(--color-accent);background:color-mix(in srgb, var(--color-accent) 8%, transparent);color:var(--color-text);border-radius:0 .4rem .4rem 0;margin-top:.85rem;padding:.75rem .85rem;font-size:.86rem;line-height:1.55}.visibility-guide__curves[data-astro-cid-hf6pl7as]{grid-template-columns:repeat(2,minmax(0,1fr));gap:.55rem;margin:.9rem 0;display:grid}.visibility-guide__curves[data-astro-cid-hf6pl7as] span[data-astro-cid-hf6pl7as]{color:var(--color-text);align-items:center;gap:.65rem;font-size:.82rem;display:flex}.curve[data-astro-cid-hf6pl7as]{border-top:3px solid;width:2.5rem;display:inline-block}.curve--object[data-astro-cid-hf6pl7as]{border-color:#55d9b3}.curve--moon[data-astro-cid-hf6pl7as]{border-color:#ff746c;border-top-style:dashed}.curve--horizon[data-astro-cid-hf6pl7as]{border-color:#edf1f7;border-top-width:2px}.curve--threshold[data-astro-cid-hf6pl7as]{border-color:#e06a45;border-top-style:dashed;border-top-width:2px}.visibility-guide__summary[data-astro-cid-hf6pl7as]{border:1px solid color-mix(in srgb, var(--color-accent) 52%, transparent);background:linear-gradient(135deg, color-mix(in srgb, var(--color-accent) 13%, transparent), var(--color-surface));border-radius:.8rem;margin-top:1.4rem;padding:1.3rem 1.4rem}.visibility-guide__summary[data-astro-cid-hf6pl7as] p[data-astro-cid-hf6pl7as]{color:var(--color-accent);font:.72rem var(--font-mono);letter-spacing:.07em;text-transform:uppercase;margin:0 0 .4rem}.visibility-guide__summary[data-astro-cid-hf6pl7as] h2[data-astro-cid-hf6pl7as]{color:var(--color-text);margin:0;font-size:clamp(1.05rem,2.4vw,1.35rem);line-height:1.5}.visibility-guide__return[data-astro-cid-hf6pl7as]{border:1px solid var(--color-border);color:var(--color-text);border-radius:.55rem;margin-top:1rem;padding:.65rem .8rem;font-size:.82rem;font-weight:700;text-decoration:none;display:inline-flex}.visibility-guide__return[data-astro-cid-hf6pl7as]:hover{border-color:var(--color-accent);background:color-mix(in srgb, var(--color-accent) 10%, transparent)}@media (width<=600px){.visibility-guide__index[data-astro-cid-hf6pl7as] ol[data-astro-cid-hf6pl7as]{grid-template-columns:1fr}.visibility-guide__sections[data-astro-cid-hf6pl7as]>section[data-astro-cid-hf6pl7as]{grid-template-columns:2.35rem minmax(0,1fr)}.visibility-guide__number[data-astro-cid-hf6pl7as]{padding-inline:.3rem}.visibility-guide__copy[data-astro-cid-hf6pl7as]{padding:1rem}.visibility-guide__curves[data-astro-cid-hf6pl7as]{grid-template-columns:1fr}}