Fold privacy pillars into Privacy by design and tidy features grid.

Remove the standalone privacy section, pair e-commerce with privacy in the two-column layout, and drop unused pillar styles.

css/styles.css

@@ -361,50 +361,6 @@ a:hover {
   margin-bottom: 0;
 }
 
-.pillars {
-  display: flex;
-  flex-wrap: wrap;
-  gap: 0.625rem;
-  margin: 0;
-  padding: 0;
-  list-style: none;
-}
-
-.privacy-features {
-  display: grid;
-  grid-template-columns: repeat(auto-fill, minmax(11.5rem, 1fr));
-  gap: 0.625rem;
-}
-
-.pillar {
-  display: inline-flex;
-  align-items: center;
-  gap: 0.375rem;
-  padding: 0.5rem 0.875rem;
-  border: 1px solid var(--border);
-  border-radius: 999px;
-  background: var(--surface);
-  font-size: 0.8125rem;
-  font-weight: 500;
-  color: var(--text);
-  white-space: nowrap;
-}
-
-.pillar__dot {
-  width: 0.375rem;
-  height: 0.375rem;
-  border-radius: 50%;
-  flex-shrink: 0;
-}
-
-.pillar:nth-child(odd) .pillar__dot {
-  background: var(--brand);
-}
-
-.pillar:nth-child(even) .pillar__dot {
-  background: var(--accent);
-}
-
 .features-grid {
   display: grid;
   grid-template-columns: repeat(2, 1fr);