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

tailwind.config.ts

@@ -27,6 +27,13 @@ const config: Config = {
       maxWidth: {
         content: '1152px',
       },
+      fontSize: {
+        // Two title roles, so a brand statement never looks like a section
+        // heading. Fluid so they hold from 360px to desktop without a stack of
+        // breakpoint overrides.
+        ancla: ['clamp(2.5rem, 6.5vw, 4.5rem)', { lineHeight: '0.98', letterSpacing: '-0.025em' }],
+        seccion: ['clamp(2rem, 4vw, 3.25rem)', { lineHeight: '1.02', letterSpacing: '-0.02em' }],
+      },
     },
   },
   plugins: [],