/* "Page not found" (pages/not_found_404.py): the site's page opening, one clear way home */
.nf-shell { max-width: calc(var(--b-wide, 1100px) + 2 * var(--b-gutter, 24px)); margin: 0 auto; padding: 48px var(--b-gutter, 24px) 40px; box-sizing: border-box; }
.nf-shell .b-sub { max-width: var(--b-read, 640px); }
.nf-actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 22px; }
.nf-btn { display: inline-block; padding: 12px 26px; border-radius: var(--b-r-pill, 999px); background: var(--b-teal, #6AA59C); color: #0F1117; font-weight: 700; text-decoration: none; }
.nf-link { color: var(--b-text-2, #9fb2c8); font-weight: 600; text-decoration: underline; text-underline-offset: 4px; }
@media (max-width: 768px) { .nf-shell { padding-top: 24px; } .nf-btn { width: 100%; text-align: center; box-sizing: border-box; } }