feat(ritmo): dos niveles de titular y alternancia de fondos

components/sections/Estratega.tsx

@@ -11,7 +11,7 @@ import { fadeInUp, staggerContainer, viewportOnce, usePrefersReducedMotion, moti
 export function Estratega() {
   const reduced = usePrefersReducedMotion();
   return (
-    <section className="bg-white">
+    <section className="bg-gris-claro">
       <Container className="py-24 md:py-32">
         <motion.div variants={staggerContainer} initial="hidden" whileInView="visible" viewport={viewportOnce} {...motionProps(reduced)}
           className="grid gap-12 md:grid-cols-[auto_1fr] md:items-center">
@@ -29,7 +29,7 @@ export function Estratega() {
             <motion.p variants={fadeInUp} className="text-xs tracking-[0.3em] uppercase font-black text-dorado">
               {estratega.eyebrow.before} <span className="normal-case">{estratega.eyebrow.brand}</span>
             </motion.p>
-            <motion.h2 variants={fadeInUp} className="mt-4 font-sans font-black text-4xl md:text-6xl text-azul-profundo tracking-tight">{estratega.title}</motion.h2>
+            <motion.h2 variants={fadeInUp} className="mt-4 font-sans font-black text-seccion text-azul-profundo">{estratega.title}</motion.h2>
             <motion.div variants={fadeInUp} className="mt-6 flex items-baseline gap-3">
               <ContadorNumero hasta={30} sufijo="+" className="font-sans font-black text-5xl md:text-6xl text-dorado leading-none" />
               <p className="text-xs uppercase tracking-[0.2em] text-gris-medio font-semibold max-w-[8rem] leading-tight">años construyendo marcas</p>