.articles-index__hero{text-align:center;margin-bottom:40px}.articles-index__title{font-size:var(--text-title);font-weight:var(--font-weight-heavy);letter-spacing:var(--letter-snug);color:var(--text-primary);line-height:var(--line-snug);margin:0 0 12px}.articles-index__sub{color:var(--text-secondary);font-size:var(--text-lead);max-width:600px;margin:0 auto;line-height:1.55}.articles-index__filters{flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:32px;display:flex}.articles-index__filter{appearance:none;cursor:pointer;font-family:var(--font-mono);font-size:11px;font-weight:var(--font-weight-semi);letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);min-height:44px;transition:color var(--motion-base) var(--ease-standard), border-color var(--motion-base) var(--ease-standard);background:0 0;border:none;border-bottom:2px solid #0000;padding:10px 12px}.articles-index__filter:hover{color:var(--text-primary)}.articles-index__filter:focus-visible{outline:2px solid var(--border-focus);outline-offset:2px;border-radius:6px}.articles-index__filter--active{color:var(--text-primary);border-bottom-color:var(--brand)}.articles-index__card{font:inherit;color:inherit;text-align:left;background:var(--surface-raised);border:1px solid var(--border-default);border-radius:var(--radius-card);cursor:pointer;width:100%;transition:transform var(--motion-base) var(--ease-standard), box-shadow var(--motion-base) var(--ease-standard), border-color var(--motion-base) var(--ease-standard);flex-direction:column;padding:28px;text-decoration:none;display:flex}.articles-index__card:hover,.articles-index__card:focus-visible{box-shadow:var(--shadow-card-hover);border-color:var(--brand);transform:translateY(-3px)}.articles-index__card:focus-visible{outline:2px solid var(--border-focus);outline-offset:2px}.articles-index__card-top{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px;font-size:11px;display:flex}.articles-index__card-top>*+:before{content:"·";margin-right:10px}.articles-index__category{color:var(--text-secondary);font-weight:var(--font-weight-semi)}.articles-index__card-title{font-size:var(--text-subhead);font-weight:var(--font-weight-bold);letter-spacing:var(--letter-normal);color:var(--text-primary);margin:0 0 8px;line-height:1.35}.articles-index__card-desc{font-size:var(--text-small);color:var(--text-secondary);margin:0;line-height:1.55}.articles-index__attribution{text-align:center;max-width:720px;font-size:var(--text-meta);color:var(--text-muted);margin:48px auto 0;line-height:1.6}