diff --git a/docs/Caddyfile.prod b/docs/Caddyfile.prod
index f9b0754..da23620 100644
--- a/docs/Caddyfile.prod
+++ b/docs/Caddyfile.prod
@@ -1,6 +1,14 @@
 :4321 {
 	encode gzip
 
+	# Hashed assets — immutable, cache forever
+	@hashed path /_astro/*
+	header @hashed Cache-Control "public, max-age=31536000, immutable"
+
+	# OG images — content-hashed filenames aren't used, cache 1 day
+	@og path /og/*
+	header @og Cache-Control "public, max-age=86400"
+
 	handle {
 		root * /usr/share/caddy
 		try_files {path} {path}/index.html
diff --git a/docs/public/robots.txt b/docs/public/robots.txt
index 335fc3e..a5443f0 100644
--- a/docs/public/robots.txt
+++ b/docs/public/robots.txt
@@ -3,5 +3,7 @@ Allow: /
 
 Sitemap: https://mcnoaa-tides.warehack.ing/sitemap-index.xml
 
-# LLM documentation — https://llmstxt.org/
-LLMs-Txt: https://mcnoaa-tides.warehack.ing/llms.txt
+# LLM-readable documentation: https://llmstxt.org/
+# Full docs:     https://mcnoaa-tides.warehack.ing/llms-full.txt
+# Abridged docs: https://mcnoaa-tides.warehack.ing/llms-small.txt
+# Overview:      https://mcnoaa-tides.warehack.ing/llms.txt
diff --git a/docs/src/styles/custom.css b/docs/src/styles/custom.css
index 7dfd2c9..52f889f 100644
--- a/docs/src/styles/custom.css
+++ b/docs/src/styles/custom.css
@@ -177,13 +177,13 @@ nav.sidebar .top-level > li > a {
   border: none !important;
   font-size: 0.85rem;
   font-weight: 600;
-  color: var(--sl-color-accent) !important;
+  color: var(--sl-color-accent-high) !important;
   text-decoration: none;
   transition: color 0.15s ease;
 }
 
 [data-has-hero] .sl-markdown-content article.card a[href]:hover {
-  color: var(--sl-color-accent-high) !important;
+  color: var(--sl-color-white) !important;
 }
 
 /* Install section: center the install block */