"use client";

import { useEffect, useState } from "react";
import Link from "next/link";
import {
  FileText,
  Layers,
  MousePointer2,
  Download,
  Cpu,
  CheckCircle2,
  ArrowRight,
  Layout,
  PieChart,
  FileSpreadsheet,
  Presentation,
  MessageSquare,
  ShieldCheck,
  Menu,
  X,
  Languages,
  Monitor,
  Eye,
} from "lucide-react";
import { motion, AnimatePresence } from "framer-motion";
import { useI18n } from "@/lib/i18n";
import { HeroVisual } from "./hero-visual";
import { API_BASE } from "@/lib/config";
import { LanguageSwitcher } from "@/components/ui/language-switcher";

const Logo = () => (
  <div className="flex items-center gap-4 group cursor-pointer">
    <div className="w-10 h-10 bg-brand-dark rounded-xl flex items-center justify-center text-white font-bold text-2xl shadow-xl transition-all duration-500 group-hover:rotate-[15deg] group-hover:scale-110">
      W
    </div>
    <span className="text-2xl font-bold tracking-tighter text-brand-dark dark:text-white">
      Wordly<span className="text-brand-goldink dark:text-brand-accent">.art</span>
    </span>
  </div>
);

const Navbar = () => {
  const [isOpen, setIsOpen] = useState(false);
  const { t } = useI18n();

  return (
    <nav className="fixed top-0 left-0 right-0 z-50 bg-brand-bg/80 dark:bg-[#0a0a0a]/80 backdrop-blur-md border-b border-black/5 dark:border-white/5">
      <div className="max-w-7xl mx-auto px-6 h-20 flex justify-between items-center">
        <Link href="/">
          <Logo />
        </Link>

        <div className="hidden md:flex items-center space-x-10">
          <a href="#features" className="text-brand-dark/60 dark:text-white/60 hover:text-brand-dark dark:hover:text-white transition-colors text-[11px] font-bold uppercase tracking-widest">{t('landing.nav.why')}</a>
          <a href="#formats" className="text-brand-dark/60 dark:text-white/60 hover:text-brand-dark dark:hover:text-white transition-colors text-[11px] font-bold uppercase tracking-widest">{t('landing.nav.formats')}</a>
          <a href="#pricing" className="text-brand-dark/60 dark:text-white/60 hover:text-brand-dark dark:hover:text-white transition-colors text-[11px] font-bold uppercase tracking-widest">{t('landing.nav.pricing')}</a>
          <div className="h-4 w-[1px] bg-black/10 dark:bg-white/10"></div>
          <LanguageSwitcher className="h-9 w-auto gap-1.5 rounded-full border-black/10 dark:border-white/10 bg-transparent dark:bg-transparent px-4 text-[11px] font-bold uppercase tracking-widest text-brand-dark/60 dark:text-white/60 hover:text-brand-dark dark:hover:text-white shadow-none" />
          <Link href="/auth/login" className="text-brand-dark/60 dark:text-white/60 hover:text-brand-dark dark:hover:text-white transition-colors text-[11px] font-bold uppercase tracking-widest">{t('landing.nav.login')}</Link>
          <Link href="/auth/register" className="premium-button py-2.5 px-6 leading-none">{t('landing.nav.startFree')}</Link>
        </div>

        <div className="md:hidden">
          <button onClick={() => setIsOpen(!isOpen)} className="text-brand-dark dark:text-white p-2 hover:bg-black/5 dark:hover:bg-white/5 rounded-lg transition-colors">
            {isOpen ? <X size={24} /> : <Menu size={24} />}
          </button>
        </div>
      </div>

      <AnimatePresence>
        {isOpen && (
          <motion.div
            initial={{ opacity: 0, height: 0 }}
            animate={{ opacity: 1, height: "auto" }}
            exit={{ opacity: 0, height: 0 }}
            className="md:hidden bg-white dark:bg-[#141414] border-b border-black/5 dark:border-white/5 overflow-hidden"
          >
            <div className="px-6 pt-4 pb-10 space-y-4 text-center">
              <div className="flex justify-center">
                <LanguageSwitcher className="w-full h-11 rounded-2xl border-2 border-black/5 dark:border-white/10 bg-transparent dark:bg-transparent font-bold text-brand-dark dark:text-white shadow-none" />
              </div>
              <a href="#features" onClick={() => setIsOpen(false)} className="block py-3 text-lg font-bold text-brand-dark dark:text-white">{t('landing.nav.why')}</a>
              <a href="#formats" onClick={() => setIsOpen(false)} className="block py-3 text-lg font-bold text-brand-dark dark:text-white">{t('landing.nav.formats')}</a>
              <a href="#pricing" onClick={() => setIsOpen(false)} className="block py-3 text-lg font-bold text-brand-dark dark:text-white">{t('landing.nav.pricing')}</a>
              <div className="pt-6 grid grid-cols-2 gap-4">
                <Link href="/auth/login" onClick={() => setIsOpen(false)} className="flex items-center justify-center py-4 text-brand-dark/60 dark:text-white/60 font-bold border-2 border-black/5 dark:border-white/10 rounded-2xl">{t('landing.nav.login')}</Link>
                <Link href="/auth/register" onClick={() => setIsOpen(false)} className="flex items-center justify-center py-4 bg-brand-dark dark:bg-brand-accent text-white dark:text-brand-dark rounded-2xl font-bold">{t('landing.nav.startFree')}</Link>
              </div>
            </div>
          </motion.div>
        )}
      </AnimatePresence>
    </nav>
  );
};

const Hero = () => {
  const { t } = useI18n();

  return (
    <section className="relative pt-48 pb-32 lg:pt-64 lg:pb-48 px-4 text-center">
      <div className="max-w-5xl mx-auto relative z-10">
        <motion.div
          initial={{ opacity: 0, y: 20 }}
          animate={{ opacity: 1, y: 0 }}
          transition={{ duration: 0.8, ease: "easeOut" }}
        >
          <div className="inline-flex items-center gap-2 px-4 py-1.5 mb-10 text-[10px] font-bold tracking-[0.3em] text-brand-dark/60 dark:text-white/60 uppercase bg-transparent border border-black/10 dark:border-white/10 rounded-full">
            <Languages size={10} /> {t('landing.hero.tag')}
          </div>
          <h1 className="text-6xl md:text-8xl mb-10 text-brand-dark dark:text-white font-serif font-medium tracking-tight leading-[1.1]">
            {t('landing.hero.titleLine1')}<br />
            <span className="block mt-4 italic">{t('landing.hero.titleLine2')}</span>
          </h1>
          <p className="text-lg md:text-xl text-brand-dark/50 dark:text-white/50 mb-14 max-w-2xl mx-auto leading-relaxed font-light">
            {t('landing.hero.description')}
          </p>

          <div className="flex flex-col sm:flex-row gap-4 justify-center mb-24">
            <Link href="/auth/register" className="premium-button px-12 py-5 text-base inline-block text-center">
              {t('landing.hero.ctaMain')}
            </Link>
            <a href="#pricing" className="px-12 py-5 rounded-xl border border-black/10 dark:border-white/10 font-bold text-base hover:bg-black/5 dark:hover:bg-white/5 transition-all inline-block text-brand-dark dark:text-white">
              {t('landing.hero.ctaSec')}
            </a>
          </div>
        </motion.div>

        <motion.div
          initial={{ opacity: 0, scale: 0.98, y: 30 }}
          animate={{ opacity: 1, scale: 1, y: 0 }}
          transition={{ duration: 1.2, ease: [0.16, 1, 0.3, 1], delay: 0.2 }}
          className="relative max-w-5xl mx-auto"
        >
          <HeroVisual />
          <p className="mt-6 text-center text-xs font-light uppercase tracking-[0.25em] text-brand-dark/50 dark:text-white/50">
            {t('landing.hero.visualCaption')}
          </p>
        </motion.div>
      </div>
    </section>
  );
};

const Steps = () => {
  const { t } = useI18n();
  const steps = [
    { num: t('landing.steps.step1.num'), title: t('landing.steps.step1.title'), desc: t('landing.steps.step1.desc'), icon: <MousePointer2 size={24} /> },
    { num: t('landing.steps.step2.num'), title: t('landing.steps.step2.title'), desc: t('landing.steps.step2.desc'), icon: <Cpu size={24} /> },
    { num: t('landing.steps.step3.num'), title: t('landing.steps.step3.title'), desc: t('landing.steps.step3.desc'), icon: <Download size={24} /> },
  ];

  return (
    <section className="py-32 px-4 border-y border-black/5 dark:border-white/5">
      <div className="max-w-7xl mx-auto">
        <div className="mb-24">
          <span className="accent-pill mb-6 block w-fit">{t('landing.steps.process')}</span>
          <h2 className="text-4xl md:text-5xl text-brand-dark dark:text-white font-serif font-medium tracking-tight mb-6">{t('landing.steps.title')}</h2>
          <p className="text-brand-dark/60 dark:text-white/60 text-lg max-w-xl font-light">{t('landing.steps.subtitle')}</p>
        </div>

        <div className="grid md:grid-cols-3 gap-16">
          {steps.map((st, i) => (
            <div key={i} className="group">
              <div className="w-12 h-12 rounded-xl bg-brand-muted dark:bg-[#1f1f1f] flex items-center justify-center text-brand-dark dark:text-white mb-8 group-hover:bg-brand-dark dark:group-hover:bg-brand-accent group-hover:text-white dark:group-hover:text-brand-dark transition-all duration-500">
                {st.icon}
              </div>
              <h3 className="text-xl font-serif font-medium text-brand-dark dark:text-white mb-4">{st.title}</h3>
              <p className="text-brand-dark/60 dark:text-white/60 leading-relaxed font-light">{st.desc}</p>
            </div>
          ))}
        </div>
      </div>
    </section>
  );
};

const FeaturesContext = () => {
  const { t } = useI18n();
  return (
    <section id="features" className="py-32 px-4 bg-brand-muted/30 dark:bg-[#1f1f1f]/30">
      <div className="max-w-7xl mx-auto">
        <div className="grid lg:grid-cols-12 gap-20 items-end mb-24">
          <div className="lg:col-span-12">
            <span className="accent-pill mb-6 block w-fit font-bold uppercase tracking-widest">{t('landing.features.tag')}</span>
            <h2 className="text-4xl md:text-5xl text-brand-dark dark:text-white font-serif font-medium tracking-tight leading-none">
              {t('landing.features.title')}
            </h2>
          </div>
        </div>

        <div className="grid md:grid-cols-3 gap-8">
          {[
            { icon: <Monitor className="text-brand-dark/60 dark:text-white/60" />, title: t('landing.features.context.title'), desc: t('landing.features.context.desc') },
            { icon: <Layers className="text-brand-dark/60 dark:text-white/60" />, title: t('landing.features.glossary.title'), desc: t('landing.features.glossary.desc') },
            { icon: <Eye className="text-brand-dark/60 dark:text-white/60" />, title: t('landing.features.vision.title'), desc: t('landing.features.vision.desc') },
          ].map((item, i) => (
            <div key={i} className="editorial-card p-10 flex flex-col items-start gap-8">
              <div className="w-10 h-10 border border-black/5 dark:border-white/10 rounded-full flex items-center justify-center">
                {item.icon}
              </div>
              <div>
                <h4 className="text-xl font-serif font-medium mb-4 text-brand-dark dark:text-white">{item.title}</h4>
                <p className="text-brand-dark/60 dark:text-white/60 leading-relaxed font-light text-sm">{item.desc}</p>
              </div>
            </div>
          ))}
        </div>
      </div>
    </section>
  );
};

const LayoutFeatures = () => {
  const { t } = useI18n();

  // Deux vraies pages de document : même structure, deux langues.
  // Le terme en gras montre le respect de la terminologie (glossaire).
  const DocPage = ({ side }: { side: "source" | "target" }) => (
    <div className="flex flex-col rounded-2xl bg-white p-8 text-start shadow-2xl dark:bg-[#181818] lg:p-10">
      <span className={`mb-6 w-fit rounded-full border px-3 py-1 text-[10px] font-black uppercase tracking-widest ${side === "source" ? "border-black/10 text-brand-dark/50 dark:border-white/15 dark:text-white/50" : "border-brand-accent/40 bg-brand-accent/10 text-brand-goldink dark:text-brand-accent"}`}>
        {side === "source" ? "FR — original" : "EN — traduit"}
      </span>
      <h4 className="mb-4 font-serif text-xl font-medium tracking-tight text-brand-dark dark:text-white lg:text-2xl">
        {side === "source" ? t("landing.beforeAfter.sourceTitle") : t("landing.beforeAfter.targetTitle")}
      </h4>
      <p className="mb-4 text-sm leading-relaxed text-brand-dark/75 dark:text-white/75">
        {side === "source" ? t("landing.beforeAfter.sourcePara1") : t("landing.beforeAfter.targetPara1")}
      </p>
      <p className="mb-6 text-sm leading-relaxed text-brand-dark/75 dark:text-white/75">
        {side === "source" ? (
          <>
            {t("landing.beforeAfter.sourcePara2Before")}{" "}
            <strong className="font-bold text-brand-dark dark:text-white">{t("landing.beforeAfter.sourceTerm")}</strong>{" "}
            {t("landing.beforeAfter.sourcePara2After")}
          </>
        ) : (
          <>
            {t("landing.beforeAfter.targetPara2Before")}{" "}
            <strong className="font-bold text-brand-dark dark:text-white">{t("landing.beforeAfter.targetTerm")}</strong>{" "}
            {t("landing.beforeAfter.targetPara2After")}
          </>
        )}
      </p>
      <ul className="mb-8 space-y-2 text-sm text-brand-dark/75 dark:text-white/75">
        <li className="flex items-start gap-2">
          <span className="mt-2 size-1 shrink-0 rounded-full bg-brand-accent" />
          {side === "source" ? t("landing.beforeAfter.sourceItem1") : t("landing.beforeAfter.targetItem1")}
        </li>
        <li className="flex items-start gap-2">
          <span className="mt-2 size-1 shrink-0 rounded-full bg-brand-accent" />
          {side === "source" ? t("landing.beforeAfter.sourceItem2") : t("landing.beforeAfter.targetItem2")}
        </li>
      </ul>
      <div className="mt-auto flex items-center justify-between border-t border-black/[0.06] pt-4 dark:border-white/[0.08]">
        <span className="font-mono text-[10px] uppercase tracking-wider text-brand-dark/45 dark:text-white/45">cahier-des-charges.docx</span>
        <span className="font-mono text-[10px] uppercase tracking-wider text-brand-dark/45 dark:text-white/45">3 pages · 2 481 mots</span>
      </div>
    </div>
  );

  return (
    <section id="features" className="px-4 py-32 text-white">
      <div className="mx-auto max-w-7xl">
        <div className="mb-16 text-center">
          <h2 className="mb-8 font-serif text-4xl font-medium leading-tight tracking-tight md:text-6xl">
            {t("landing.layout.title")}<br /> <span className="italic">{t("landing.layout.title2")}</span>
          </h2>
          <p className="mx-auto max-w-2xl text-xl font-light tracking-wide text-white/45">
            {t("landing.layout.subtitle")}
          </p>
        </div>

        <div className="relative grid gap-6 md:grid-cols-2 md:gap-10">
          <DocPage side="source" />
          <DocPage side="target" />

          {/* sceau central : la promesse, entre les deux pages */}
          <div className="pointer-events-none absolute inset-0 hidden items-center justify-center md:flex">
            <div className="flex items-center gap-2 rounded-full border border-brand-accent/40 bg-brand-dark px-5 py-2.5 shadow-2xl dark:bg-[#0a0a0a]">
              <CheckCircle2 size={14} className="text-brand-accent" />
              <span className="text-[10px] font-black uppercase tracking-widest text-brand-accent">
                {t("landing.beforeAfter.seal")}
              </span>
            </div>
          </div>
        </div>

        {/* trois preuves précises, pas des promesses vagues */}
        <div className="mt-14 grid gap-4 sm:grid-cols-3">
          {[
            { icon: <Layout size={16} />, label: t("landing.beforeAfter.proof1") },
            { icon: <PieChart size={16} />, label: t("landing.beforeAfter.proof2") },
            { icon: <MessageSquare size={16} />, label: t("landing.beforeAfter.proof3") },
          ].map((proof, i) => (
            <div key={i} className="flex items-center gap-3 rounded-2xl border border-white/10 px-5 py-4">
              <span className="flex size-8 shrink-0 items-center justify-center rounded-lg border border-brand-accent/30 text-brand-accent">
                {proof.icon}
              </span>
              <span className="text-sm font-light text-white/70">{proof.label}</span>
            </div>
          ))}
        </div>
      </div>
    </section>
  );
};

const FormatsSection = () => {
  const { t } = useI18n();
  const formats = [
    { id: ".DOCX", name: t('landing.formats.word.name'), icon: <FileText className="text-brand-dark/60 dark:text-white/60" />, items: [t('landing.formats.word.i1'), t('landing.formats.word.i2'), t('landing.formats.word.i3'), t('landing.formats.word.i4')] },
    { id: ".XLSX", name: t('landing.formats.excel.name'), icon: <FileSpreadsheet className="text-brand-dark/60 dark:text-white/60" />, items: [t('landing.formats.excel.i1'), t('landing.formats.excel.i2'), t('landing.formats.excel.i3'), t('landing.formats.excel.i4')] },
    { id: ".PPTX", name: t('landing.formats.pptx.name'), icon: <Presentation className="text-brand-dark/60 dark:text-white/60" />, items: [t('landing.formats.pptx.i1'), t('landing.formats.pptx.i2'), t('landing.formats.pptx.i3'), t('landing.formats.pptx.i4')] },
    { id: ".PDF", name: t('landing.formats.pdf.name'), icon: <FileText className="text-brand-dark/60 dark:text-white/60" />, items: [t('landing.formats.pdf.i1'), t('landing.formats.pdf.i2'), t('landing.formats.pdf.i3'), t('landing.formats.pdf.i4')] },
  ];

  return (
    <section id="formats" className="py-40 px-4">
      <div className="max-w-7xl mx-auto">
        <div className="mb-24">
          <span className="accent-pill mb-6 block w-fit">{t('landing.formats.pill')}</span>
          <h2 className="text-4xl md:text-5xl text-brand-dark dark:text-white mb-6 leading-tight font-serif font-medium tracking-tight">{t('landing.formats.title')} <span className="italic">{t('landing.formats.title2')}</span></h2>
          <p className="text-brand-dark/60 dark:text-white/60 max-w-xl text-lg font-light">{t('landing.formats.subtitle')}</p>
        </div>
        <div className="grid md:grid-cols-2 lg:grid-cols-4 gap-8">
          {formats.map((f, i) => (
            <div key={i} className="editorial-card p-10 group">
              <div className="flex justify-between items-start mb-10">
                <div className="w-12 h-12 bg-brand-muted dark:bg-[#1f1f1f] rounded-xl flex items-center justify-center text-xl group-hover:bg-brand-dark dark:group-hover:bg-brand-accent group-hover:text-white dark:group-hover:text-brand-dark transition-all">
                  {f.icon}
                </div>
                <span className="text-[10px] font-bold text-brand-dark/50 dark:text-white/50 uppercase tracking-[0.2em]">{f.id}</span>
              </div>
              <h3 className="text-xl font-serif font-medium mb-6 text-brand-dark dark:text-white tracking-tight">{f.name}</h3>
              <ul className="space-y-4">
                {f.items.map((item, j) => (
                  <li key={j} className="flex items-start gap-3 text-xs text-brand-dark/60 dark:text-white/60 font-medium">
                    <div className="w-1 h-1 bg-brand-accent rounded-full mt-1.5 shrink-0 opacity-40"></div> {item}
                  </li>
                ))}
              </ul>
            </div>
          ))}
        </div>
      </div>
    </section>
  );
};

const PricingSection = () => {
  const { t } = useI18n();
  const [isAnnual, setIsAnnual] = useState(true);
  // Prices come from the same live endpoint as /pricing (admin-configurable);
  // the hardcoded values below are only a fallback while it loads or fails.
  const [livePrices, setLivePrices] = useState<Record<string, { monthly: number; annualMonthly: number }>>({});

  useEffect(() => {
    fetch(`${API_BASE}/api/v1/auth/plans`, { cache: 'no-store' })
      .then(r => (r.ok ? r.json() : Promise.reject(new Error(`HTTP ${r.status}`))))
      .then(json => {
        const d = json.data ?? json;
        const map: Record<string, { monthly: number; annualMonthly: number }> = {};
        for (const plan of d.plans ?? []) {
          if (typeof plan.price_monthly === 'number' && plan.price_monthly > 0) {
            map[plan.id] = {
              monthly: plan.price_monthly,
              annualMonthly: plan.price_yearly > 0 ? plan.price_yearly / 12 : plan.price_monthly,
            };
          }
        }
        setLivePrices(map);
      })
      .catch(() => { /* keep marketing defaults */ });
  }, []);

  const priceFor = (id: string, fallbackMonthly: number, fallbackAnnual: number): string => {
    const live = livePrices[id];
    const value = live
      ? (isAnnual ? live.annualMonthly : live.monthly)
      : (isAnnual ? fallbackAnnual : fallbackMonthly);
    return Number.isInteger(value) ? String(value) : value.toFixed(2);
  };

  const plans = [
    { id: 'starter', name: t('landing.pricing.starter.name'), desc: t('landing.pricing.starter.desc'), monthlyPrice: 9, annualPrice: 7, features: [t('landing.pricing.starter.f1'), t('landing.pricing.starter.f2'), t('landing.pricing.starter.f3'), t('landing.pricing.starter.f4')], cta: t('landing.pricing.starter.cta'), popular: false },
    { id: 'pro', name: t('landing.pricing.pro.name'), desc: t('landing.pricing.pro.desc'), monthlyPrice: 19, annualPrice: 15, features: [t('landing.pricing.pro.f1'), t('landing.pricing.pro.f2'), t('landing.pricing.pro.f3'), t('landing.pricing.pro.f4'), t('landing.pricing.pro.f5'), t('landing.pricing.pro.f6')], cta: t('landing.pricing.pro.cta'), popular: true },
    { id: 'business', name: t('landing.pricing.business.name'), desc: t('landing.pricing.business.desc'), monthlyPrice: 49, annualPrice: 39, features: [t('landing.pricing.business.f1'), t('landing.pricing.business.f2'), t('landing.pricing.business.f3'), t('landing.pricing.business.f4'), t('landing.pricing.business.f5'), t('landing.pricing.business.f6')], cta: t('landing.pricing.business.cta'), popular: false },
  ];

  return (
    <section id="pricing" className="py-40 px-4 bg-brand-bg dark:bg-[#0a0a0a]">
      <div className="max-w-7xl mx-auto">
        <div className="text-center mb-24">
          <h2 className="text-4xl md:text-5xl mb-8 leading-tight text-brand-dark dark:text-white font-serif font-medium tracking-tight">{t('landing.pricing.title')}</h2>
          <p className="text-brand-dark/60 dark:text-white/60 text-xl font-light max-w-2xl mx-auto">{t('landing.pricing.subtitle')}</p>
        </div>

        <div className="flex items-center justify-center gap-12 mb-32">
          <button onClick={() => setIsAnnual(false)} className={`text-sm font-bold uppercase tracking-widest transition-all ${!isAnnual ? 'text-brand-dark dark:text-white underline underline-offset-8' : 'text-brand-dark/55 dark:text-white/55 hover:text-brand-dark dark:hover:text-white'}`}>
            {t('landing.pricing.monthly')}
          </button>
          <button onClick={() => setIsAnnual(true)} className={`text-sm font-bold uppercase tracking-widest transition-all relative ${isAnnual ? 'text-brand-dark dark:text-white underline underline-offset-8' : 'text-brand-dark/55 dark:text-white/55 hover:text-brand-dark dark:hover:text-white'}`}>
            {t('landing.pricing.annual')}
            <span className="absolute -top-6 left-1/2 -translate-x-1/2 text-[10px] font-bold text-brand-goldink dark:text-brand-accent whitespace-nowrap italic">
              (-20%)
            </span>
          </button>
        </div>

        <div className="grid md:grid-cols-2 lg:grid-cols-3 gap-px bg-black/5 dark:bg-white/5 rounded-[40px] overflow-hidden border border-black/5 dark:border-white/5">
          {plans.map((p, i) => (
            <div key={i} className="p-16 bg-white dark:bg-[#141414] flex flex-col text-left transition-all duration-500 hover:z-10 hover:shadow-2xl hover:scale-[1.01]">
              <h3 className="text-2xl font-serif font-medium mb-2 text-brand-dark dark:text-white tracking-tight">{p.name}</h3>
              <p className="text-brand-dark/60 dark:text-white/60 text-xs font-light mb-14 tracking-widest uppercase">{p.desc}</p>

              <div className="mb-14">
                <span className="text-5xl font-serif font-medium leading-none text-brand-dark dark:text-white">{priceFor(p.id, p.monthlyPrice, p.annualPrice)} €</span>
                <span className="text-brand-dark/55 dark:text-white/55 font-light ml-2 uppercase text-[10px] tracking-[0.2em]">/ {t('landing.pricing.month')}</span>
              </div>

              <ul className="space-y-6 mb-16 flex-grow">
                {p.features.map((f, j) => (
                  <li key={j} className="flex items-start gap-4 text-sm text-brand-dark/50 dark:text-white/50 font-medium leading-snug">
                    <div className="w-1 h-1 rounded-full bg-brand-accent mt-2 shrink-0"></div> <span className="font-light">{f}</span>
                  </li>
                ))}
              </ul>

              <Link
                href={p.popular ? "/auth/register" : `/pricing?plan=${p.id}${isAnnual ? '&billing=yearly' : ''}`}
                className={`w-full py-4 rounded-2xl text-xs font-bold uppercase tracking-widest transition-all leading-none text-center block ${p.popular ? 'bg-brand-dark dark:bg-brand-accent text-white dark:text-brand-dark shadow-xl' : 'bg-transparent text-brand-dark dark:text-white border border-black/10 dark:border-white/10 hover:bg-black/5 dark:hover:bg-white/5'}`}
              >
                {p.cta}
              </Link>
            </div>
          ))}
        </div>

        <p className="text-center mt-12 text-brand-dark/50 dark:text-white/50 text-xs font-bold uppercase tracking-widest">{t('landing.pricing.footer')}</p>
      </div>
    </section>
  );
};

const CTASection = () => {
  const { t } = useI18n();
  return (
    <section className="py-40 px-4 text-center">
      <div className="max-w-4xl mx-auto">
        <h2 className="text-5xl md:text-7xl text-brand-dark dark:text-white mb-10 leading-tight tracking-tight font-serif font-medium">
          {t('landing.cta.title')}
        </h2>
        <p className="text-lg text-brand-dark/60 dark:text-white/60 mb-16 font-light">
          {t('landing.cta.subtitle')}
        </p>
        <div className="flex flex-col sm:flex-row gap-6 justify-center items-center">
          <Link href="/auth/register" className="premium-button px-16 py-6 text-lg inline-block text-center rounded-[32px]">
            {t('landing.cta.button')}
          </Link>
        </div>
      </div>
    </section>
  );
};

const Footer = () => {
  const { t } = useI18n();
  return (
    <footer className="bg-brand-muted/30 dark:bg-[#1f1f1f]/30 pt-40 pb-20 px-6">
      <div className="max-w-7xl mx-auto">
        <div className="grid md:grid-cols-12 gap-20 mb-40">
          <div className="md:col-span-12 lg:col-span-6">
            <Logo />
            <p className="text-brand-dark/60 dark:text-white/60 text-lg font-medium mt-12 mb-12 max-w-sm leading-relaxed uppercase tracking-widest">
              {t('landing.footer.desc')}
            </p>
          </div>

          <div className="md:col-span-4 lg:col-span-2">
            <h4 className="text-[10px] font-bold uppercase tracking-[0.3em] text-brand-dark dark:text-white mb-10">{t('landing.footer.product')}</h4>
            <ul className="space-y-6 text-xs text-brand-dark/60 dark:text-white/60 font-bold uppercase tracking-widest leading-none">
              <li><a href="#features" className="hover:text-brand-dark dark:hover:text-white transition-colors">{t('landing.nav.why')}</a></li>
              <li><a href="#formats" className="hover:text-brand-dark dark:hover:text-white transition-colors">{t('landing.nav.formats')}</a></li>
              <li><a href="#pricing" className="hover:text-brand-dark dark:hover:text-white transition-colors">{t('landing.nav.pricing')}</a></li>
            </ul>
          </div>

        </div>

        <div className="pt-10 border-t border-black/5 dark:border-white/5 flex flex-col md:flex-row justify-between items-center gap-10">
          <div className="text-[10px] font-bold text-brand-dark/50 dark:text-white/50 uppercase tracking-[0.4em]">
            {t('landing.footer.rights')}
          </div>
          <div className="flex items-center gap-6">
            <button
              type="button"
              onClick={() => import('@/components/ui/cookie-consent').then(m => m.reopenCookieConsent())}
              className="text-[10px] font-bold text-brand-dark/50 dark:text-white/50 uppercase tracking-[0.2em] hover:text-brand-dark dark:hover:text-white transition-colors"
            >
              {t('cookieConsent.reopen')}
            </button>
            <div className="text-[10px] font-mono text-brand-dark/55 dark:text-white/55 uppercase tracking-widest">
              wordly.art
            </div>
          </div>
        </div>
      </div>
    </footer>
  );
};

export default function LandingPage() {
  return (
    <div className="min-h-screen font-sans bg-brand-bg dark:bg-[#0a0a0a] text-brand-dark dark:text-white selection:bg-brand-accent/20 overflow-x-hidden">
      <Navbar />
      <main>
        <Hero />
        <Steps />
        <FeaturesContext />
        <LayoutFeatures />
        <FormatsSection />
        <PricingSection />
        <CTASection />
      </main>
      <Footer />
    </div>
  );
}
