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

components/sections/Disciplinas.tsx

@@ -17,7 +17,7 @@ export function Disciplinas() {
         <motion.p variants={fadeInUp} initial="hidden" whileInView="visible" viewport={viewportOnce} {...motionProps(reduced)}
           className="text-xs tracking-[0.3em] uppercase font-black text-dorado">{disciplinas.eyebrow}</motion.p>
         <motion.h2 variants={fadeInUp} initial="hidden" whileInView="visible" viewport={viewportOnce} {...motionProps(reduced)}
-          className="mt-4 font-sans font-black text-4xl md:text-6xl text-azul-profundo tracking-tight">{disciplinas.title}</motion.h2>
+          className="mt-4 font-sans font-black text-seccion text-azul-profundo">{disciplinas.title}</motion.h2>
         <motion.div variants={fadeInUp} initial="hidden" whileInView="visible" viewport={viewportOnce} {...motionProps(reduced)}
           className="mt-4 md:flex md:items-center md:justify-between md:gap-10">
           <p className="text-gris-medio text-lg">{disciplinas.lead}</p>