import React, { useState, useEffect, useRef } from 'react';
import { motion, AnimatePresence, useScroll, useTransform } from 'framer-motion';
import { 
  Instagram, 
  ChevronRight, 
  Star, 
  Clock, 
  MapPin, 
  Menu, 
  X,
  Phone,
  Sparkles,
  Award,
  ArrowRight,
  ChevronLeft
} from 'lucide-react';

// Paleta de colores oficial extraída de su manual
const COLORS = {
  gold: '#ceac6f',
  nude: '#dbc5a4',
  grey: '#a6aaab',
  light: '#f7f7f7',
  dark: '#1a1a1a'
};

// Componente de Comparación Antes/Después (Estratégico para Conversión)
const BeforeAfter = () => {
  const [sliderPos, setSliderPos] = useState(50);
  const containerRef = useRef(null);

  const handleMove = (e) => {
    if (!containerRef.current) return;
    const rect = containerRef.current.getBoundingClientRect();
    const x = e.clientX || (e.touches && e.touches[0].clientX);
    const pos = ((x - rect.left) / rect.width) * 100;
    setSliderPos(Math.max(0, Math.min(100, pos)));
  };

  return (
    <div 
      ref={containerRef}
      className="relative w-full max-w-4xl mx-auto h-[500px] overflow-hidden rounded-2xl cursor-ew-resize shadow-2xl"
      onMouseMove={handleMove}
      onTouchMove={handleMove}
    >
      {/* After Image */}
      <div 
        className="absolute inset-0 bg-cover bg-center"
        style={{ backgroundImage: `url('https://images.unsplash.com/photo-1595475241929-30119934161a?auto=format&fit=crop&q=80')` }}
      >
        <div className="absolute bottom-6 right-6 bg-white/80 backdrop-blur-md px-4 py-1 rounded-full text-[10px] uppercase tracking-widest font-bold">Después</div>
      </div>

      {/* Before Image Overlay */}
      <div 
        className="absolute inset-0 bg-cover bg-center"
        style={{ 
          backgroundImage: `url('https://images.unsplash.com/photo-1512496015851-a90fb38ba796?auto=format&fit=crop&q=80')`,
          clipPath: `inset(0 ${100 - sliderPos}% 0 0)`
        }}
      >
        <div className="absolute bottom-6 left-6 bg-white/80 backdrop-blur-md px-4 py-1 rounded-full text-[10px] uppercase tracking-widest font-bold">Antes</div>
      </div>

      {/* Slider Line */}
      <div 
        className="absolute inset-y-0 w-[2px] bg-white z-10 shadow-lg"
        style={{ left: `${sliderPos}%` }}
      >
        <div className="absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 w-10 h-10 bg-white rounded-full flex items-center justify-center shadow-xl">
          <ChevronLeft size={16} />
          <ChevronRight size={16} />
        </div>
      </div>
    </div>
  );
};

const App = () => {
  const [isMenuOpen, setIsMenuOpen] = useState(false);
  const [scrolled, setScrolled] = useState(false);
  const { scrollYProgress } = useScroll();
  const yBg = useTransform(scrollYProgress, [0, 1], ["0%", "50%"]);

  useEffect(() => {
    const handleScroll = () => setScrolled(window.scrollY > 50);
    window.addEventListener('scroll', handleScroll);
    return () => window.removeEventListener('scroll', handleScroll);
  }, []);

  const services = [
    {
      title: "Microblading Pro",
      tag: "Hiperrealismo",
      desc: "Simulación de vello natural con pigmentos orgánicos.",
      price: "$250"
    },
    {
      title: "Powder Brows",
      tag: "Efecto Maquillaje",
      desc: "Sombreado suave para una densidad perfecta.",
      price: "$280"
    },
    {
      title: "Lip Blush",
      tag: "Acuarela",
      desc: "Color y definición duradera para tus labios.",
      price: "$300"
    }
  ];

  return (
    <div className="min-h-screen font-light selection:bg-[#ceac6f] selection:text-white" style={{ backgroundColor: COLORS.light }}>
      
      {/* Header Premium */}
      <nav className={`fixed w-full z-50 transition-all duration-700 ${scrolled ? 'bg-white/80 backdrop-blur-xl py-3 border-b border-gray-100' : 'bg-transparent py-8'}`}>
        <div className="container mx-auto px-8 flex justify-between items-center">
          <motion.div 
            className="text-2xl font-serif tracking-[0.2em] uppercase"
            initial={{ opacity: 0 }} animate={{ opacity: 1 }}
          >
            Chairy <span style={{ color: COLORS.gold }}>Monasterios</span>
          </motion.div>
          
          <div className="hidden md:flex items-center space-x-12 text-[10px] tracking-[0.3em] uppercase font-semibold">
            <a href="#" className="hover:text-[#ceac6f] transition-all">Filosofía</a>
            <a href="#" className="hover:text-[#ceac6f] transition-all">Servicios</a>
            <a href="#" className="hover:text-[#ceac6f] transition-all">Resultados</a>
            <button className="px-6 py-3 bg-[#1a1a1a] text-white hover:bg-[#ceac6f] transition-all duration-500 rounded-sm">
              Reservar
            </button>
          </div>

          <button className="md:hidden" onClick={() => setIsMenuOpen(!isMenuOpen)}>
            {isMenuOpen ? <X size={20}/> : <Menu size={20}/>}
          </button>
        </div>
      </nav>

      {/* Hero Dinámico */}
      <section className="relative h-screen flex items-center justify-center overflow-hidden">
        <motion.div style={{ y: yBg }} className="absolute inset-0 z-0">
          <img 
            src="https://images.unsplash.com/photo-1516975080664-ed2fc6a32937?auto=format&fit=crop&q=80" 
            className="w-full h-full object-cover grayscale-[30%] opacity-40"
            alt="Textura de Piel y Arte"
          />
        </motion.div>
        
        <div className="relative z-10 text-center container mx-auto px-6">
          <motion.div
            initial={{ opacity: 0, y: 30 }}
            animate={{ opacity: 1, y: 0 }}
            transition={{ duration: 1 }}
          >
            <span className="inline-block px-4 py-1 border border-[#ceac6f] text-[#ceac6f] text-[10px] uppercase tracking-[0.4em] mb-8">
              Especialista en Belleza Facial
            </span>
            <h1 className="text-7xl md:text-9xl font-serif text-[#1a1a1a] leading-none mb-8">
              The Art of <br/>
              <span className="italic font-light" style={{ color: COLORS.gold }}>Precision</span>
            </h1>
            <p className="max-w-xl mx-auto text-gray-500 text-lg mb-12 font-light leading-relaxed">
              Donde la ciencia de la piel se encuentra con el arte de la mirada. Resultados que no se notan, pero se sienten.
            </p>
            <div className="flex flex-col md:flex-row items-center justify-center gap-6">
              <button className="group flex items-center space-x-4 bg-[#1a1a1a] text-white px-10 py-5 rounded-sm hover:bg-[#ceac6f] transition-all duration-500">
                <span className="text-xs uppercase tracking-[0.2em]">Consultoría Gratuita</span>
                <ArrowRight size={16} className="group-hover:translate-x-2 transition-transform"/>
              </button>
            </div>
          </motion.div>
        </div>
      </section>

      {/* Galería Interactiva Antes/Después */}
      <section className="py-32 bg-white">
        <div className="container mx-auto px-6">
          <div className="flex flex-col md:flex-row justify-between items-end mb-20 gap-8">
            <div className="max-w-xl">
              <h2 className="text-4xl font-serif mb-6">Resultados Reales</h2>
              <p className="text-gray-500">Mueve el deslizador para descubrir la transformación natural. Sin filtros, solo técnica avanzada.</p>
            </div>
            <div className="flex space-x-12 border-b border-gray-100 pb-4">
              <div className="text-center">
                <span className="block text-3xl font-serif" style={{ color: COLORS.gold }}>+2k</span>
                <span className="text-[10px] uppercase tracking-widest text-gray-400">Clientas</span>
              </div>
              <div className="text-center">
                <span className="block text-3xl font-serif" style={{ color: COLORS.gold }}>100%</span>
                <span className="text-[10px] uppercase tracking-widest text-gray-400">Seguridad</span>
              </div>
            </div>
          </div>
          
          <BeforeAfter />
        </div>
      </section>

      {/* Servicios Premium */}
      <section className="py-32" style={{ backgroundColor: COLORS.light }}>
        <div className="container mx-auto px-6">
          <div className="grid grid-cols-1 md:grid-cols-3 gap-1px bg-gray-200">
            {services.map((s, i) => (
              <div key={i} className="bg-white p-12 hover:bg-[#fcfaf7] transition-all duration-500 group">
                <span className="block text-[10px] uppercase tracking-[0.3em] text-[#ceac6f] mb-6">{s.tag}</span>
                <h3 className="text-3xl font-serif mb-6 group-hover:translate-x-2 transition-transform duration-500">{s.title}</h3>
                <p className="text-gray-500 text-sm leading-relaxed mb-10">{s.desc}</p>
                <div className="flex justify-between items-center">
                  <span className="text-xl font-light">{s.price}</span>
                  <button className="w-12 h-12 rounded-full border border-gray-100 flex items-center justify-center group-hover:bg-[#ceac6f] group-hover:text-white transition-all">
                    <ChevronRight size={16} />
                  </button>
                </div>
              </div>
            ))}
          </div>
        </div>
      </section>

      {/* Booking CTA (Optimizado para SEM) */}
      <section className="relative py-40 overflow-hidden">
        <div className="absolute inset-0 z-0">
          <div className="absolute inset-0 bg-[#1a1a1a]/90 z-10" />
          <img src="https://images.unsplash.com/photo-1522337660859-02fbefca4702?auto=format&fit=crop&q=80" className="w-full h-full object-cover" alt="Studio Background"/>
        </div>
        
        <div className="relative z-20 container mx-auto px-6 text-center text-white">
          <h2 className="text-5xl font-serif mb-12">Diseñemos tu nueva mirada</h2>
          <p className="max-w-xl mx-auto opacity-60 mb-12 uppercase tracking-[0.2em] text-xs">Cupos limitados por mes para garantizar exclusividad.</p>
          <div className="flex flex-col sm:flex-row justify-center gap-6">
            <button className="px-12 py-6 bg-[#ceac6f] text-white text-xs uppercase tracking-widest font-bold hover:scale-105 transition-all">
              Agendar por WhatsApp
            </button>
            <button className="px-12 py-6 border border-white/20 text-white text-xs uppercase tracking-widest font-bold hover:bg-white hover:text-black transition-all">
              Ver Catálogo Completo
            </button>
          </div>
        </div>
      </section>

      {/* Footer Minimalista */}
      <footer className="py-20 bg-white border-t border-gray-100">
        <div className="container mx-auto px-6">
          <div className="flex flex-col md:flex-row justify-between items-center gap-12">
            <div className="text-xl font-serif uppercase tracking-widest">
              Chairy <span style={{ color: COLORS.gold }}>Monasterios</span>
            </div>
            <div className="flex space-x-8">
              <a href="#" className="text-gray-400 hover:text-[#ceac6f] transition-colors"><Instagram size={20} /></a>
              <a href="#" className="text-gray-400 hover:text-[#ceac6f] transition-colors font-bold uppercase text-[10px] tracking-widest">TikTok</a>
              <a href="#" className="text-gray-400 hover:text-[#ceac6f] transition-colors font-bold uppercase text-[10px] tracking-widest">Behance</a>
            </div>
            <p className="text-[10px] text-gray-400 uppercase tracking-widest">
              &copy; 2026 Crafted by Senior Solutions Architect
            </p>
          </div>
        </div>
      </footer>

      {/* Botón Flotante para Conversión Inmediata */}
      <div className="fixed bottom-10 right-10 z-[100]">
        <motion.button 
          whileHover={{ scale: 1.1 }}
          whileTap={{ scale: 0.9 }}
          className="bg-[#25D366] text-white p-5 rounded-full shadow-2xl flex items-center justify-center"
        >
          <Phone size={24} fill="white" />
        </motion.button>
      </div>
    </div>
  );
};

export default App;