diff --git a/src/media/css/template.css b/src/media/css/template.css
index ca078f6..731a048 100644
--- a/src/media/css/template.css
+++ b/src/media/css/template.css
@@ -13942,6 +13942,28 @@ meter {
 	}
 }
 
+/* ── HERO VARIANT BASE ── */
+.hero {
+	background-size: cover;
+	background-position: center;
+	overflow: hidden;
+	border-radius: .5rem;
+}
+
+/* ── PRIMARY VARIANT ── */
+.hero#primary {
+	background-color: var(--hero-primary-bg-color);
+	background-image: var(--hero-primary-overlay);
+	color: var(--hero-primary-color);
+}
+
+/* ── SECONDARY VARIANT ── */
+.hero#secondary {
+	background-color: var(--hero-secondary-bg-color);
+	background-image: var(--hero-secondary-overlay);
+	color: var(--hero-secondary-color);
+}
+
 .footer {
 	margin-top: 1em;
 	color: var(--body-color);
@@ -14150,6 +14172,8 @@ fieldset>* {
 	background-color: rgba(255, 255, 255, 0.5);
 	border: 1px solid #58595a;
 	border-radius: 0.25rem;
+  --btn-padding-x: 0.25rem;
+  --btn-padding-y: 0.1rem;
 }
 
 .container-header {
@@ -14172,10 +14196,6 @@ fieldset>* {
 	padding: var(--padding-x) var(--padding-y);
 }
 
-.container-header nav {
-	padding: 0 2rem;
-}
-
 .container-header .site-description {
 	font-size: 1rem;
 	color: var(--body-color);
@@ -14640,6 +14660,64 @@ iframe {
 	}
 }
 
+/* ── BLOCK COLOR SYSTEM (nth-child slot palette) ── */
+.container-top-a > .card:nth-child(1),
+.container-top-b > .card:nth-child(1),
+.container-bottom-a > .card:nth-child(1),
+.container-bottom-b > .card:nth-child(1) {
+	background-color: var(--block-color-1);
+	color: var(--block-text-1);
+}
+
+.container-top-a > .card:nth-child(2),
+.container-top-b > .card:nth-child(2),
+.container-bottom-a > .card:nth-child(2),
+.container-bottom-b > .card:nth-child(2) {
+	background-color: var(--block-color-2);
+	color: var(--block-text-2);
+}
+
+.container-top-a > .card:nth-child(3),
+.container-top-b > .card:nth-child(3),
+.container-bottom-a > .card:nth-child(3),
+.container-bottom-b > .card:nth-child(3) {
+	background-color: var(--block-color-3);
+	color: var(--block-text-3);
+}
+
+.container-top-a > .card:nth-child(4),
+.container-top-b > .card:nth-child(4),
+.container-bottom-a > .card:nth-child(4),
+.container-bottom-b > .card:nth-child(4) {
+	background-color: var(--block-color-4);
+	color: var(--block-text-4);
+}
+
+/* ── BLOCK COLOR — Named per-module overrides ── */
+.container-top-a #block-highlight,
+.container-top-b #block-highlight,
+.container-bottom-a #block-highlight,
+.container-bottom-b #block-highlight {
+	background-color: var(--block-highlight-bg);
+	color: var(--block-highlight-text);
+}
+
+.container-top-a #block-cta,
+.container-top-b #block-cta,
+.container-bottom-a #block-cta,
+.container-bottom-b #block-cta {
+	background-color: var(--block-cta-bg);
+	color: var(--block-cta-text);
+}
+
+.container-top-a #block-alert,
+.container-top-b #block-alert,
+.container-bottom-a #block-alert,
+.container-bottom-b #block-alert {
+	background-color: var(--block-alert-bg);
+	color: var(--block-alert-text);
+}
+
 .container-component nav {
 	position: relative;
 }
@@ -18096,7 +18174,7 @@ nav[data-toggle=toc] .nav-link.active+ul{
 
 .container-search .icon-search {
 	font-size: 1rem;
-	color: var(--nav-bg-color);
+	color: var(--nav-text-color);
 }
 
 /* Responsive header menu and search layout improvements */