Add community Instances section and refresh hero styling.

List hosted shops with local logos and clearnet or Tor links; remove hero and lead-card gradient decorations while keeping lead card accents.

css/styles.css

@@ -196,34 +196,11 @@ a:hover {
 }
 
 .hero {
-  position: relative;
   padding-block: clamp(3rem, 8vw, 6rem);
-  overflow: hidden;
-  isolation: isolate;
-}
-
-.hero::before {
-  content: "";
-  position: absolute;
-  inset: 0;
-  z-index: 0;
-  background:
-    radial-gradient(
-      ellipse 80% 60% at 50% -20%,
-      rgba(247, 143, 30, 0.18),
-      transparent
-    ),
-    radial-gradient(
-      ellipse 50% 40% at 100% 50%,
-      rgba(0, 154, 218, 0.1),
-      transparent
-    );
-  pointer-events: none;
 }
 
 .hero__inner {
   position: relative;
-  z-index: 1;
   display: flex;
   flex-wrap: nowrap;
   align-items: center;
@@ -288,7 +265,7 @@ a:hover {
 
 .hero h1 {
   margin: 0 0 1rem;
-  font-size: clamp(1.75rem, 4vw, 2.35rem);
+  font-size: clamp(2rem, 5vw, 2.85rem);
   font-weight: 700;
   line-height: 1.15;
   letter-spacing: -0.03em;
@@ -449,12 +426,6 @@ a:hover {
 
 .feature-card--lead {
   border-color: rgba(247, 143, 30, 0.4);
-  background: linear-gradient(
-    135deg,
-    rgba(247, 143, 30, 0.08),
-    rgba(0, 154, 218, 0.05),
-    var(--surface)
-  );
 }
 
 .feature-card__icon {
@@ -736,6 +707,59 @@ body:has(.lightbox:target) {
   }
 }
 
+.instances-list {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr));
+  gap: 1.25rem;
+  margin: 0;
+  padding: 0;
+  list-style: none;
+}
+
+.instance-card {
+  display: flex;
+  flex-direction: column;
+  gap: 1rem;
+  height: 100%;
+  padding: 1.5rem;
+  border: 1px solid var(--border);
+  border-radius: var(--radius-lg);
+  background: var(--surface);
+}
+
+.instance-card__logo {
+  width: auto;
+  max-width: 10rem;
+  max-height: 2.5rem;
+  object-fit: contain;
+  object-position: left center;
+}
+
+.instance-card__body {
+  display: flex;
+  flex: 1;
+  flex-direction: column;
+  gap: 0.5rem;
+}
+
+.instance-card__name {
+  margin: 0;
+  font-size: 1.125rem;
+  font-weight: 600;
+}
+
+.instance-card__desc {
+  flex: 1;
+  margin: 0;
+  font-size: 0.9375rem;
+  color: var(--muted);
+  line-height: 1.5;
+}
+
+.instance-card .repo-links {
+  margin-top: 0.5rem;
+}
+
 .contact-card {
   padding: 1.25rem 1.5rem;
   border: 1px solid var(--border);