.zone-calculator[data-astro-cid-isfjazey]{padding:var(--space-6);border:1px solid var(--color-border);border-radius:var(--radius-2xl);background:var(--color-surface);box-shadow:var(--shadow-xl)}@media(min-width:760px){.zone-calculator[data-astro-cid-isfjazey]{padding:var(--space-8)}}.zone-calculator__header[data-astro-cid-isfjazey]{margin-bottom:var(--space-8);text-align:center}.zone-calculator__icon[data-astro-cid-isfjazey]{display:block;margin-bottom:var(--space-2);font-size:2rem}.zone-calculator__header[data-astro-cid-isfjazey] h2[data-astro-cid-isfjazey]{margin:0 0 var(--space-2)}.zone-calculator__header[data-astro-cid-isfjazey] p[data-astro-cid-isfjazey]{max-width:42rem;margin:0 auto;color:var(--color-text-muted);line-height:1.6}.zone-calculator__form[data-astro-cid-isfjazey]{display:grid;gap:var(--space-5)}@media(min-width:760px){.zone-calculator__form[data-astro-cid-isfjazey]{grid-template-columns:repeat(2,minmax(0,1fr))}.zone-calculator__field--wide[data-astro-cid-isfjazey]{grid-column:1 / -1}}.zone-calculator__field[data-astro-cid-isfjazey]{min-width:0}.zone-calculator__field[data-astro-cid-isfjazey] label[data-astro-cid-isfjazey]{display:block;margin-bottom:var(--space-2);font-weight:700}.zone-calculator__input-wrap[data-astro-cid-isfjazey]{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--space-3);align-items:center}.zone-calculator__input-wrap[data-astro-cid-isfjazey] input[data-astro-cid-isfjazey],.zone-calculator__input-wrap[data-astro-cid-isfjazey] select[data-astro-cid-isfjazey]{width:100%;min-height:2.8rem;padding:.65rem .75rem;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);color:var(--color-text);font:inherit}.zone-calculator__input-wrap[data-astro-cid-isfjazey] span[data-astro-cid-isfjazey]{color:var(--color-text-muted);font-size:var(--text-sm);white-space:nowrap}.zone-calculator__field[data-astro-cid-isfjazey] small[data-astro-cid-isfjazey]{display:block;margin-top:var(--space-2);color:var(--color-text-muted);font-size:var(--text-xs);line-height:1.45}.zone-calculator__results[data-astro-cid-isfjazey]{display:grid;gap:var(--space-3);margin-top:var(--space-8)}@media(min-width:600px){.zone-calculator__results[data-astro-cid-isfjazey]{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(min-width:980px){.zone-calculator__results[data-astro-cid-isfjazey]{grid-template-columns:repeat(5,minmax(0,1fr))}}.zone-calculator__result[data-astro-cid-isfjazey]{display:flex;min-height:5.5rem;flex-direction:column;justify-content:center;gap:var(--space-2);padding:var(--space-4);border-radius:var(--radius-lg);background:var(--color-bg-alt);text-align:center}.zone-calculator__result[data-astro-cid-isfjazey] span[data-astro-cid-isfjazey]{color:var(--color-text-muted);font-size:var(--text-xs);line-height:1.35}.zone-calculator__result[data-astro-cid-isfjazey] strong[data-astro-cid-isfjazey]{font-size:var(--text-lg)}.zone-calculator__result--primary[data-astro-cid-isfjazey]{border:1px solid var(--color-primary);background:#10b9811a}.zone-calculator__result--primary[data-astro-cid-isfjazey] strong[data-astro-cid-isfjazey]{color:var(--color-primary);font-size:clamp(1.7rem,4vw,2.4rem);line-height:1}.zone-calculator__summary[data-astro-cid-isfjazey]{margin:var(--space-6) 0 0;font-weight:700;text-align:center}.zone-calculator__note[data-astro-cid-isfjazey]{margin:var(--space-3) 0 0;color:var(--color-text-muted);font-size:var(--text-xs);line-height:1.55;text-align:center}.zone-hero[data-astro-cid-mhrdfpaj]{position:relative;min-height:500px;overflow:hidden;color:#fff}.zone-hero__scrim[data-astro-cid-mhrdfpaj]{position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,#041e18db,#041e1880 55%,#041e184d)}.zone-hero__content[data-astro-cid-mhrdfpaj]{position:relative;z-index:2;display:flex;min-height:500px;flex-direction:column;justify-content:center;padding-top:var(--space-12);padding-bottom:var(--space-12)}.zone-hero[data-astro-cid-mhrdfpaj] .breadcrumb[data-astro-cid-mhrdfpaj]{display:flex;flex-wrap:wrap;gap:var(--space-2);margin-bottom:var(--space-6);color:#fffc;font-size:var(--text-sm)}.zone-hero[data-astro-cid-mhrdfpaj] .breadcrumb[data-astro-cid-mhrdfpaj] a[data-astro-cid-mhrdfpaj]{color:#fff}.zone-hero__meta[data-astro-cid-mhrdfpaj]{display:flex;flex-wrap:wrap;gap:var(--space-4);align-items:center;margin-bottom:var(--space-4);font-size:var(--text-sm)}.zone-hero[data-astro-cid-mhrdfpaj] h1[data-astro-cid-mhrdfpaj]{max-width:900px;margin:0 0 var(--space-5);font-size:clamp(2.25rem,5vw,4.4rem);line-height:1.05}.zone-hero[data-astro-cid-mhrdfpaj] p[data-astro-cid-mhrdfpaj]{max-width:760px;margin:0;color:#ffffffe6;font-size:clamp(1.05rem,2vw,1.35rem);line-height:1.6}.zone-article[data-astro-cid-mhrdfpaj] .article-container[data-astro-cid-mhrdfpaj]{display:grid;grid-template-columns:minmax(210px,280px) minmax(0,1fr);gap:var(--space-10);align-items:start;padding-top:var(--space-12);padding-bottom:var(--space-12)}.zone-article[data-astro-cid-mhrdfpaj] .article-toc[data-astro-cid-mhrdfpaj]{position:sticky;top:2rem}.zone-article[data-astro-cid-mhrdfpaj] .article-content[data-astro-cid-mhrdfpaj]{min-width:0;max-width:860px}.zone-article[data-astro-cid-mhrdfpaj] .article-content[data-astro-cid-mhrdfpaj]>section[data-astro-cid-mhrdfpaj]{margin-bottom:var(--space-12)}.zone-article[data-astro-cid-mhrdfpaj] .article-content[data-astro-cid-mhrdfpaj] h2[data-astro-cid-mhrdfpaj]{margin-bottom:var(--space-4)}.zone-article[data-astro-cid-mhrdfpaj] .article-content[data-astro-cid-mhrdfpaj] p[data-astro-cid-mhrdfpaj]{line-height:1.75}.zone-article[data-astro-cid-mhrdfpaj] .article-content[data-astro-cid-mhrdfpaj] a[data-astro-cid-mhrdfpaj]{text-decoration-thickness:.08em;text-underline-offset:.15em}.answer-note[data-astro-cid-mhrdfpaj]{margin-top:var(--space-5);padding:var(--space-4);border-left:3px solid var(--color-primary);background:var(--color-bg-alt)}.zone-steps[data-astro-cid-mhrdfpaj]{display:grid;gap:var(--space-4);margin:var(--space-6) 0;padding-left:1.4rem}.zone-steps[data-astro-cid-mhrdfpaj] li[data-astro-cid-mhrdfpaj]{padding-left:var(--space-2);line-height:1.65}.zone-steps--numbered[data-astro-cid-mhrdfpaj]{counter-reset:zone-step;list-style:none;padding-left:0}.zone-steps--numbered[data-astro-cid-mhrdfpaj] li[data-astro-cid-mhrdfpaj]{display:grid;grid-template-columns:2.2rem 1fr;gap:var(--space-3);align-items:start}.zone-steps--numbered[data-astro-cid-mhrdfpaj] li[data-astro-cid-mhrdfpaj]:before{display:grid;width:2rem;height:2rem;place-items:center;border-radius:50%;background:var(--color-primary);color:#fff;content:counter(zone-step);counter-increment:zone-step;font-weight:800}.formula-box[data-astro-cid-mhrdfpaj],.warning-box[data-astro-cid-mhrdfpaj]{margin:var(--space-6) 0;padding:var(--space-5);border-radius:var(--radius-lg);background:var(--color-bg-alt);line-height:1.65}.warning-box[data-astro-cid-mhrdfpaj]{border-left:4px solid var(--color-warning)}.zone-principles[data-astro-cid-mhrdfpaj]{display:grid;gap:var(--space-4);margin:var(--space-6) 0}@media(min-width:700px){.zone-principles[data-astro-cid-mhrdfpaj]{grid-template-columns:repeat(3,minmax(0,1fr))}}.zone-principles[data-astro-cid-mhrdfpaj] article[data-astro-cid-mhrdfpaj]{padding:var(--space-5);border:1px solid var(--color-border-subtle);border-radius:var(--radius-lg);background:var(--color-surface)}.zone-principles[data-astro-cid-mhrdfpaj] article[data-astro-cid-mhrdfpaj]>span[data-astro-cid-mhrdfpaj]{font-size:1.6rem}.zone-principles[data-astro-cid-mhrdfpaj] h3[data-astro-cid-mhrdfpaj]{margin:var(--space-3) 0 var(--space-2);font-size:var(--text-lg)}.zone-principles[data-astro-cid-mhrdfpaj] p[data-astro-cid-mhrdfpaj]{margin:0;color:var(--color-text-muted);font-size:var(--text-sm)}.example-grid[data-astro-cid-mhrdfpaj]{display:grid;gap:var(--space-3);margin:var(--space-6) 0}@media(min-width:600px){.example-grid[data-astro-cid-mhrdfpaj]{grid-template-columns:repeat(2,minmax(0,1fr))}}.example-grid[data-astro-cid-mhrdfpaj]>div[data-astro-cid-mhrdfpaj]{display:flex;flex-direction:column;gap:var(--space-2);padding:var(--space-4);border-radius:var(--radius-lg);background:var(--color-bg-alt)}.example-grid[data-astro-cid-mhrdfpaj] span[data-astro-cid-mhrdfpaj]{color:var(--color-text-muted);font-size:var(--text-sm)}.example-grid[data-astro-cid-mhrdfpaj] strong[data-astro-cid-mhrdfpaj]{font-size:var(--text-lg)}.example-grid__answer[data-astro-cid-mhrdfpaj]{border:1px solid var(--color-primary);background:#10b9811a!important}.affiliate-note[data-astro-cid-mhrdfpaj]{color:var(--color-text-muted);font-size:var(--text-sm)}.choice-list[data-astro-cid-mhrdfpaj]{display:grid;gap:var(--space-3);margin-top:var(--space-6)}.choice-list[data-astro-cid-mhrdfpaj]>div[data-astro-cid-mhrdfpaj]{padding:var(--space-4);border-left:3px solid var(--color-primary);background:var(--color-bg-alt);line-height:1.65}.continue-reading[data-astro-cid-mhrdfpaj]{padding:var(--space-6);border-radius:var(--radius-xl);background:var(--color-bg-alt)}.continue-reading__grid[data-astro-cid-mhrdfpaj]{display:grid;gap:var(--space-3)}@media(min-width:650px){.continue-reading__grid[data-astro-cid-mhrdfpaj]{grid-template-columns:repeat(2,minmax(0,1fr))}}.continue-reading__grid[data-astro-cid-mhrdfpaj] a[data-astro-cid-mhrdfpaj]{display:flex;flex-direction:column;gap:var(--space-1);padding:var(--space-4);border:1px solid var(--color-border-subtle);border-radius:var(--radius-lg);background:var(--color-surface);text-decoration:none}.continue-reading__grid[data-astro-cid-mhrdfpaj] a[data-astro-cid-mhrdfpaj] span[data-astro-cid-mhrdfpaj]{color:var(--color-text-muted);font-size:var(--text-sm)}@media(max-width:759px){.zone-article[data-astro-cid-mhrdfpaj] .article-container[data-astro-cid-mhrdfpaj]{grid-template-columns:1fr}.zone-article[data-astro-cid-mhrdfpaj] .article-toc[data-astro-cid-mhrdfpaj]{position:static}}