diff --git a/components/layout/Header.tsx b/components/layout/Header.tsx
index 483457b..72e68d5 100644
--- a/components/layout/Header.tsx
+++ b/components/layout/Header.tsx
@@ -8,6 +8,10 @@ import { Container } from '@/components/primitives/Container';
 import { ProgresoLectura } from '@/components/primitives/ProgresoLectura';
 import { header } from '@/lib/content';
 
+// Navy like the hero it sits on, so the top of the page is one block instead of
+// a white bar stuck over a dark opening. Over the light sections further down it
+// reads as the brand's own bar rather than as page chrome.
+//
 // The header tightens once the reader leaves the hero: less chrome, more page.
 // Client component because the compaction needs scroll state on the <header>
 // itself; there is no server-rendered data here to lose.
@@ -23,16 +27,16 @@ export function Header() {
 
   return (
     <header
-      className={`sticky top-0 z-50 relative border-b border-azul-profundo/10 bg-white/80 backdrop-blur transition-[padding] duration-300 motion-reduce:transition-none ${
+      className={`sticky top-0 z-50 relative border-b border-white/10 bg-azul-profundo/90 backdrop-blur transition-[padding] duration-300 motion-reduce:transition-none ${
         compacto ? 'py-0' : 'py-3'
       }`}
     >
       <Container className="flex items-center justify-between">
         <a href="#top" aria-label="creeer — inicio" className="block transition-transform duration-300 origin-left motion-reduce:transition-none">
-          <Wordmark size={compacto ? 'sm' : 'md'} />
+          <Wordmark size={compacto ? 'sm' : 'md'} onDark />
         </a>
         <nav aria-label="Principal">
-          <CTA href="#contacto" label={header.cta} variant="light" />
+          <CTA href="#contacto" label={header.cta} variant="dark" />
         </nav>
       </Container>
       <ProgresoLectura />