/* Site footer, shared by the static pages. The home page carries the same
   rules in src/styles.css. Three columns: brand, helpful guides, product. */
.foot { border-top: 1.5px solid var(--ink); background: var(--paper-3); padding: 40px max(28px, calc((100% - 1180px) / 2)) 44px; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr); gap: 36px; max-width: none; font-size: 14px; align-items: start; }
.foot > * { max-width: var(--maxw, 1180px); }
.foot-brand { display: flex; flex-direction: column; gap: 12px; }
.foot-brand .dim { max-width: 34ch; margin: 0; font: 500 13px/1.5 var(--mono); color: var(--ink-3); }
.foot-col { display: flex; flex-direction: column; gap: 8px; }
.foot-col h4 { margin: 0 0 6px; font: 600 11.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); }
.foot-col a { text-decoration: none; color: var(--ink-2); font-weight: 600; font-size: 14.5px; }
.foot-col a:hover { color: var(--ink); text-decoration: underline; text-decoration-color: var(--amber); text-decoration-thickness: 2px; text-underline-offset: 3px; }
@media (max-width: 760px) { .foot { grid-template-columns: 1fr; gap: 26px; } }