'use client';

import { motion, useScroll, useTransform } from 'framer-motion';
import Image from 'next/image';
import { Container } from '@/components/primitives/Container';
import { Antetitulo } from '@/components/primitives/Antetitulo';
import { CTA } from '@/components/primitives/CTA';
import { Icono, type IconoNombre } from '@/components/primitives/Icono';
import { comoEmpezar, cierre } from '@/lib/content';
import { fadeInUp, staggerContainer, viewportOnce, usePrefersReducedMotion, motionProps } from '@/lib/motion';

const ICONOS: IconoNombre[] = ['escribeme', 'diagnostico', 'plan'];

export function ComoEmpezar() {
  const reduced = usePrefersReducedMotion();
  const waHref = `${cierre.contact.whatsapp.href}?text=${encodeURIComponent(comoEmpezar.whatsappText)}`;
  // Page-level scroll (no target ref) keeps this to a single listener and
  // avoids jsdom's "container has a static position" warning.
  const { scrollYProgress } = useScroll();
  const desplazamiento = useTransform(scrollYProgress, [0, 1], [20, -20]);
  return (
    <section className="bg-white bg-hondo-blanco">
      <Container className="py-16 md:py-24 grid gap-12 md:grid-cols-[1fr_auto] md:items-center">
        <motion.div variants={staggerContainer} initial="hidden" whileInView="visible" viewport={viewportOnce} {...motionProps(reduced)}>
          <Antetitulo as={motion.p} variants={fadeInUp}>{comoEmpezar.eyebrow}</Antetitulo>
          <motion.h2 variants={fadeInUp} className="mt-4 font-sans font-black text-seccion text-azul-profundo max-w-xl">{comoEmpezar.title}</motion.h2>
          <motion.ol variants={staggerContainer} className="mt-12 grid gap-10 sm:grid-cols-3 md:grid-cols-1 md:gap-8">
            {comoEmpezar.steps.map((step, i) => (
              <motion.li key={step.n} variants={fadeInUp}
                className="border-t border-dorado/40 pt-6 transition-transform duration-300 ease-out hover:-translate-y-1 motion-reduce:transform-none motion-reduce:transition-none
                           md:flex md:items-baseline md:gap-4 md:border-t-0 md:border-l-2 md:pt-0 md:pl-5">
                {/* The numeral is the graphic, not a label: big and nearly
                    transparent, like the recorrido's. The gold accent moves to
                    the icon beside the step's name, so the step keeps its
                    marker without two of them competing. */}
                <div className="font-sans font-black text-6xl md:text-7xl text-azul-profundo/[0.13] leading-[0.8] shrink-0 select-none">{step.n}</div>
                <div>
                  <div className="mt-4 md:mt-0 flex items-center gap-3">
                    <Icono nombre={ICONOS[i]} className="w-6 h-6 text-dorado shrink-0" />
                    <h3 className="font-sans font-bold text-xl text-azul-profundo">{step.name}</h3>
                  </div>
                  <p className="mt-3 md:mt-1 text-azul-profundo/70 leading-relaxed">{step.desc}</p>
                </div>
              </motion.li>
            ))}
          </motion.ol>
          <motion.div variants={fadeInUp} className="mt-12">
            <CTA href={waHref} label={comoEmpezar.cta} variant="light" />
          </motion.div>
        </motion.div>
        {/* Foto: amanecer sobre la cumbre del Monte Nardi, Tony 1212, CC BY-SA 4.0,
            modificada (duotono) — créditos en el footer. "Tu siguiente movimiento
            empieza…": el amanecer como metáfora del comienzo. */}
        <motion.div variants={fadeInUp} initial="hidden" whileInView="visible" viewport={viewportOnce} {...motionProps(reduced)}
          style={reduced ? undefined : { y: desplazamiento }}
          className="hidden md:block relative w-72 lg:w-96 aspect-[4/5] rounded-lg overflow-hidden shadow-2xl shadow-azul-profundo/20 rotate-2 motion-reduce:rotate-0">
          <div className="absolute inset-0 bg-gradient-to-br from-azul-profundo to-dorado" />
          <Image src="/images/comoempezar-bg.jpg" alt="" fill sizes="(min-width: 1024px) 384px, 288px"
            className="object-cover mix-blend-luminosity" />
          <div className="absolute inset-0 bg-azul-profundo/20" />
        </motion.div>
      </Container>
    </section>
  );
}