refine(site): Antidote as a visual wall of three anti-pattern examples

Previous layout was a wall of text (three numbered stat rows plus a
side gallery). User feedback: "seeing is believing." Drop the stats
entirely, lead with three big anti-pattern screenshots in a 3-up grid
(Purple Gradients / Cardocalypse / Hero-Metric Template), tight
one-line lead above, footer row with "Browse all 25" link + a small
mono meta line that still carries the key claims (deterministic rules,
LLM layer, browser overlay) in a single sentence.

Images use 4:3 aspect, hover lifts them slightly with a magenta-soft
outline glow, labels are italic display face + mono accent number.
The whole section now reads at a glance: headline + three pictures +
one link.

public/css/workflow.css

@@ -3654,3 +3654,109 @@
   font-size: 12px;
   margin-top: 6px;
 }
+
+/* ============================================
+   ANTIDOTE — visual-first wall of three
+   ============================================ */
+
+.antidote-content .section-lead {
+  max-width: 54ch;
+  margin-bottom: var(--spacing-xl);
+}
+
+.antidote-wall {
+  display: grid;
+  grid-template-columns: repeat(3, 1fr);
+  gap: var(--spacing-lg);
+  margin-bottom: var(--spacing-xl);
+}
+
+.antidote-wall-card {
+  display: flex;
+  flex-direction: column;
+  gap: var(--spacing-sm);
+  text-decoration: none;
+  color: inherit;
+  transition: transform 260ms var(--ease-out);
+}
+
+.antidote-wall-card:hover {
+  transform: translateY(-4px);
+}
+
+.antidote-wall-image {
+  aspect-ratio: 4 / 3;
+  overflow: hidden;
+  border-radius: 8px;
+  background: var(--color-paper);
+  border: 1px solid var(--color-mist);
+  box-shadow: 0 12px 32px oklch(0% 0 0 / 0.08);
+  transition: box-shadow 260ms var(--ease-out);
+}
+
+.antidote-wall-card:hover .antidote-wall-image {
+  box-shadow: 0 20px 40px oklch(0% 0 0 / 0.14), 0 0 0 1px var(--color-accent-soft);
+}
+
+.antidote-wall-image img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+  object-position: center top;
+  display: block;
+}
+
+.antidote-wall-caption {
+  display: flex;
+  align-items: baseline;
+  gap: var(--spacing-sm);
+  padding: 0 2px;
+}
+
+.antidote-wall-num {
+  font-family: var(--font-mono);
+  font-size: 0.6875rem;
+  letter-spacing: 0.22em;
+  text-transform: uppercase;
+  color: var(--color-accent);
+}
+
+.antidote-wall-label {
+  font-family: var(--font-display);
+  font-style: italic;
+  font-weight: 400;
+  font-size: 1.375rem;
+  line-height: 1.1;
+  color: var(--color-ink);
+  letter-spacing: -0.01em;
+}
+
+.antidote-foot {
+  display: flex;
+  align-items: baseline;
+  justify-content: space-between;
+  gap: var(--spacing-lg);
+  padding-top: var(--spacing-md);
+  border-top: 1px solid var(--color-mist);
+  flex-wrap: wrap;
+}
+
+.antidote-foot-meta {
+  font-family: var(--font-mono);
+  font-size: 0.6875rem;
+  letter-spacing: 0.16em;
+  text-transform: uppercase;
+  color: var(--color-ash);
+}
+
+@media (max-width: 820px) {
+  .antidote-wall {
+    grid-template-columns: 1fr;
+    gap: var(--spacing-md);
+  }
+  .antidote-foot {
+    flex-direction: column;
+    align-items: flex-start;
+    gap: var(--spacing-sm);
+  }
+}