'use client';

import Scribble from '@/components/Scribble';
import { Button, Container, Heading, Section } from '@/components/ui';
import { motion } from 'framer-motion';
import { useTranslations, useLocale } from 'next-intl';
import dynamic from 'next/dynamic';
const HeroIllustration = dynamic(() => import('./HeroIllustration'), { ssr: false });

export default function Hero() {
  const t = useTranslations('Home.hero');
  const locale = useLocale();

  return (
    <Section className="relative min-h-[85vh] md:h-[90vh] flex flex-col items-center justify-center overflow-hidden bg-primary py-12 md:py-0 lg:py-0">
      <Container className="relative z-10 text-center md:text-left text-white w-full order-2 md:order-none">
        <motion.div
          className="max-w-5xl mx-auto md:mx-0"
          initial="hidden"
          animate="visible"
          variants={containerVariants}
        >
          <motion.div variants={headingVariants}>
            <Heading
              level={1}
              className="text-center md:text-left mb-6 md:mb-8 md:max-w-none text-white text-4xl sm:text-5xl md:text-7xl font-extrabold [text-shadow:_-2px_-2px_0_#002b49,_2px_-2px_0_#002b49,_-2px_2px_0_#002b49,_2px_2px_0_#002b49,_-2px_0_0_#002b49,_2px_0_0_#002b49,_0_-2px_0_#002b49,_0_2px_0_#002b49]"
            >
              {t.rich('title', {
                green: (chunks) => (
                  <span className="relative inline-block">
                    <motion.span
                      className="relative z-10 text-accent italic"
                      variants={accentVariants}
                    >
                      {chunks}
                    </motion.span>
                    <motion.div
                      variants={scribbleVariants}
                      className="w-[140%] h-[140%] -top-[20%] -left-[20%] text-accent/30 hidden md:block absolute -z-10"
                    >
                      <Scribble variant="circle" />
                    </motion.div>
                  </span>
                ),
              })}
            </Heading>
          </motion.div>
          <motion.div variants={subtitleVariants}>
            <p className="text-lg md:text-xl text-white/90 leading-relaxed max-w-2xl mb-10 md:mb-12">
              {t('subtitle')}
            </p>
          </motion.div>
          <motion.div
            className="flex flex-col sm:flex-row justify-center md:justify-start gap-4 md:gap-6"
            variants={buttonContainerVariants}
          >
            <motion.div variants={buttonVariants}>
              <Button
                href="/contact"
                variant="accent"
                size="lg"
                className="group w-full sm:w-auto h-14 md:h-16 px-8 md:px-10 text-base md:text-lg"
              >
                {t('cta')}
                <span className="transition-transform group-hover/btn:translate-x-1">&rarr;</span>
              </Button>
            </motion.div>
            <motion.div variants={buttonVariants}>
              <Button
                href={`/${locale}/${locale === 'de' ? 'produkte' : 'products'}`}
                variant="white"
                size="lg"
                className="group w-full sm:w-auto h-14 md:h-16 px-8 md:px-10 text-base md:text-lg md:bg-white md:text-primary md:hover:bg-neutral-light md:border-none"
              >
                {t('exploreProducts')}
              </Button>
            </motion.div>
          </motion.div>
        </motion.div>
      </Container>

      <motion.div
        className="relative md:absolute inset-0 z-0 w-full h-[40vh] md:h-full order-1 md:order-none mb-[-80px] md:mb-0 mt-[80px] md:mt-0 overflow-visible pointer-events-none"
        initial={{ opacity: 0, scale: 0.95, filter: 'blur(20px)' }}
        animate={{ opacity: 1, scale: 1, filter: 'blur(0px)' }}
        transition={{ duration: 2.2, ease: 'easeOut', delay: 0.05 }}
      >
        <HeroIllustration />
      </motion.div>

      <motion.div
        className="absolute bottom-6 md:bottom-10 left-1/2 -translate-x-1/2 hidden sm:block"
        initial={{ opacity: 0, y: 16 }}
        animate={{ opacity: 1, y: 0 }}
        transition={{ duration: 1, ease: 'easeOut', delay: 3 }}
      >
        <div className="w-6 h-10 border-2 border-white/30 rounded-full flex justify-center p-1">
          <motion.div
            className="w-1 h-2 bg-white rounded-full"
            animate={{ y: [0, -10, 0] }}
            transition={{
              duration: 1.5,
              repeat: Infinity,
              ease: 'easeInOut',
            }}
          />
        </div>
      </motion.div>
    </Section>
  );
}

const containerVariants = {
  hidden: { opacity: 1 },
  visible: {
    opacity: 1,
    transition: {
      staggerChildren: 0.12,
      delayChildren: 0.4,
    },
  },
} as const;

const headingVariants = {
  hidden: { opacity: 0, y: 60, scale: 0.85 },
  visible: {
    opacity: 1,
    y: 0,
    scale: 1,
    transition: { duration: 1.2, ease: [0.25, 0.46, 0.45, 0.94] },
  },
} as const;

const accentVariants = {
  hidden: { opacity: 0, scale: 0.9, rotate: -5 },
  visible: {
    opacity: 1,
    scale: 1,
    rotate: 0,
    transition: { duration: 0.8, ease: [0.25, 0.46, 0.45, 0.94] },
  },
} as const;

const scribbleVariants = {
  hidden: { opacity: 0, scale: 0, rotate: 180 },
  visible: {
    opacity: 1,
    scale: 1,
    rotate: 0,
    transition: { duration: 1, type: 'spring', stiffness: 300, damping: 20 },
  },
} as const;

const subtitleVariants = {
  hidden: { opacity: 0, y: 40, scale: 0.95 },
  visible: {
    opacity: 1,
    y: 0,
    scale: 1,
    transition: { duration: 1, ease: [0.25, 0.46, 0.45, 0.94] },
  },
} as const;

const buttonContainerVariants = {
  hidden: { opacity: 0 },
  visible: {
    opacity: 1,
    transition: {
      staggerChildren: 0.15,
      delayChildren: 0.4,
    },
  },
} as const;

const buttonVariants = {
  hidden: { opacity: 0, y: 30, scale: 0.9 },
  visible: {
    opacity: 1,
    y: 0,
    scale: 1,
    transition: { type: 'spring', stiffness: 400, damping: 20 },
  },
} as const;
