.concepts[data-astro-cid-dlqx7rnz]{padding-top:calc(var(--nav-height) + var(--space-64))}.concepts__back[data-astro-cid-dlqx7rnz]{display:inline-block;margin-bottom:var(--space-32);font-size:.9375rem;color:var(--color-text-muted);text-decoration:none;transition:color var(--dur-fast) ease}.concepts__back[data-astro-cid-dlqx7rnz]:hover{color:var(--color-accent)}.concepts__filters[data-astro-cid-dlqx7rnz]{display:flex;flex-wrap:wrap;gap:var(--space-8);margin-bottom:var(--space-32)}.concepts__filter[data-astro-cid-dlqx7rnz]{appearance:none;border:1px solid var(--color-border);border-radius:var(--radius-pill);background:transparent;color:var(--color-text-muted);font-family:var(--font-body);font-size:.875rem;font-weight:500;line-height:1;padding:.625rem 1.125rem;cursor:pointer;transition:border-color var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out),background var(--dur-fast) var(--ease-out)}.concepts__filter[data-astro-cid-dlqx7rnz]:hover{border-color:color-mix(in srgb,var(--color-accent) 55%,var(--color-border));color:var(--color-text)}.concepts__filter[data-astro-cid-dlqx7rnz].is-active{border-color:var(--color-accent);color:#04231e;background:var(--color-accent)}.concepts__grid[data-astro-cid-dlqx7rnz]{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-24)}.concept-card[data-astro-cid-dlqx7rnz]{display:flex;flex-direction:column;height:100%;border:1px solid var(--color-border);border-radius:var(--radius-card);background:var(--color-surface);overflow:hidden;text-decoration:none;color:var(--color-text);transition:border-color var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out)}.concept-card[data-astro-cid-dlqx7rnz]:hover{border-color:color-mix(in srgb,var(--color-accent) 55%,var(--color-border));transform:translateY(-2px)}.concept-card__thumb[data-astro-cid-dlqx7rnz]{width:100%;aspect-ratio:16 / 9;object-fit:cover;background:var(--color-surface-2);border-bottom:1px solid var(--color-border)}.concept-card__body[data-astro-cid-dlqx7rnz]{display:flex;flex-direction:column;gap:var(--space-8);padding:var(--space-24)}.concept-card__tag[data-astro-cid-dlqx7rnz]{align-self:flex-start;font-size:var(--fs-caption);text-transform:uppercase;letter-spacing:.08em;font-weight:500;color:var(--color-accent)}.concept-card__title[data-astro-cid-dlqx7rnz]{font-size:var(--fs-h3);margin:0}.concept-card__desc[data-astro-cid-dlqx7rnz]{color:var(--color-text-muted);font-size:.9375rem;line-height:var(--lh-body-tight);margin:0}.concepts__empty[data-astro-cid-dlqx7rnz]{color:var(--color-text-muted);max-width:32rem}@media(max-width:1024px){.concepts__grid[data-astro-cid-dlqx7rnz]{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.concepts[data-astro-cid-dlqx7rnz]{padding-top:calc(var(--nav-height) + var(--space-48))}.concepts__grid[data-astro-cid-dlqx7rnz]{grid-template-columns:1fr;gap:var(--space-16)}.concept-card__title[data-astro-cid-dlqx7rnz]{font-size:var(--fs-h3-mobile)}}@media(prefers-reduced-motion:reduce){.concept-card[data-astro-cid-dlqx7rnz]{transition:none}.concept-card[data-astro-cid-dlqx7rnz]:hover{transform:none}}