feat(footer, header, landing): enhance UI components and improve navigation

- Updated Footer component with new links and dynamic year display.
- Refactored Header component to improve mobile navigation and theme toggling.
- Enhanced DonationSection and Features components with improved layout and animations.
- Updated HowItWorks and Impact sections for better user engagement and clarity.
- Improved product page layout and error handling in API interactions.
- General UI refinements across various components for a cohesive user experience.
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Evandro Fonseca Junior committed 2026-01-12 19:55:50 -03:00
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"use client";
import { useState, useEffect } from "react";
import React, { useState, useMemo } from "react";
import { useRouter } from "next/navigation";
import { Search, ScanLine, Sparkles, Globe } from "lucide-react";
import { Search, ScanLine, Globe, Activity, Database, Zap, Moon, Sun } from "lucide-react";
import { Button } from "@/components/ui/button";
import { Input } from "@/components/ui/input";
import { detectUserCountry } from "@/lib/geolocation";
import { detectSearchType, isValidBarcode } from "@/lib/openFoodFactsApi";
import { useGeolocation } from "@/hooks/use-geolocation";
import { useSearchLogic } from "@/hooks/use-search-logic";
import { useTheme } from "next-themes";
import { cn } from "@/lib/utils";
import { motion, AnimatePresence } from "framer-motion";
export function Hero() {
const [searchQuery, setSearchQuery] = useState("");
const [error, setError] = useState("");
const [loading, setLoading] = useState(false);
const [userCountry, setUserCountry] = useState<string | null>(null);
const [searchType, setSearchType] = useState<"auto" | "barcode" | "name">(
"auto"
);
const [mounted, setMounted] = useState(false);
const router = useRouter();
const [searchQuery, setSearchQuery] = useState("");
const { countryCode, isMounted } = useGeolocation();
const { searchType, isValid, loading, setLoading } = useSearchLogic(searchQuery);
const { theme } = useTheme();
// Detectar país do usuário ao carregar
useEffect(() => {
setMounted(true);
const detectCountry = async () => {
try {
// Forçar nova detecção para garantir país correto
const country = await detectUserCountry(true);
setUserCountry(country.code);
} catch {
setUserCountry("br"); // Fallback para Brasil
}
};
detectCountry();
}, []);
// Detectar tipo de busca baseado na entrada
useEffect(() => {
if (searchQuery.trim()) {
const detectedType = detectSearchType(searchQuery);
setSearchType(detectedType);
} else {
setSearchType("auto");
const searchConfig = useMemo(() => ({
barcode: {
placeholder: "Insira o código EAN/UPC (ex: 789...)",
button: "Analisar Produto",
icon: <ScanLine className="w-5 h-5" />,
subtext: "Protocolo: Detecção de Código de Barras",
color: "blue",
gradient: "from-blue-600 via-cyan-500 to-blue-400"
},
name: {
placeholder: "Qual alimento deseja investigar?",
button: "Consultar Banco",
icon: <Search className="w-5 h-5" />,
subtext: "Protocolo: Pesquisa em Base Colaborativa",
color: "emerald",
gradient: "from-emerald-600 via-teal-500 to-green-400"
},
auto: {
placeholder: "Digite o nome ou aponte o código...",
button: "Buscar",
icon: <Activity className="w-5 h-5" />,
subtext: "Aguardando input do operador...",
color: "slate",
gradient: "from-slate-600 via-blue-500 to-slate-400"
}
}, [searchQuery]);
}), []);
const current = searchConfig[searchType];
const handleSearch = async (e: React.FormEvent) => {
e.preventDefault();
setError("");
if (!searchQuery.trim()) {
setError("Digite nome do produto");
return;
}
const query = searchQuery.trim();
const detectedType = detectSearchType(query);
if (detectedType === "barcode") {
if (!isValidBarcode(query)) {
setError("Código de barras deve ter entre 8 e 13 dígitos");
return;
}
setLoading(true);
// Redirecionar para página do produto
router.push(`/produto/${query}`);
} else {
setLoading(true);
// Redirecionar para página de resultados
const countryParam = userCountry ? `&country=${userCountry}` : "";
router.push(`/resultados?q=${encodeURIComponent(query)}${countryParam}`);
}
};
const getPlaceholder = () => {
if (searchType === "barcode") {
return "Digite o código de barras (ex: 7896004713588)";
} else if (searchType === "name") {
return "Digite o nome do produto (ex: coca cola)";
}
return "Digite nome do produto";
};
const getSearchButtonText = () => {
if (loading) return "Buscando...";
if (searchType === "barcode") return "Buscar Produto";
if (searchType === "name") return "Buscar Produtos";
return "Buscar";
if (!searchQuery.trim()) return;
setLoading(true);
const target = searchType === "barcode" && isValid
? `/produto/${searchQuery.trim()}`
: `/resultados?q=${encodeURIComponent(searchQuery.trim())}${countryCode ? `&country=${countryCode}` : ""}`;
router.push(target);
};
return (
<section className="relative min-h-[calc(100vh-4rem)] flex items-center justify-center bg-gradient-to-br from-blue-50 via-white to-green-50 dark:from-gray-900 dark:via-gray-800 dark:to-gray-900 overflow-hidden py-12 sm:py-16 lg:py-20">
{/* Background Pattern */}
<div className="absolute inset-0 bg-[url('data:image/svg+xml,%3Csvg%20width%3D%2260%22%20height%3D%2260%22%20viewBox%3D%220%200%2060%2060%22%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%3E%3Cg%20fill%3D%22none%22%20fill-rule%3D%22evenodd%22%3E%3Cg%20fill%3D%22%230055ff%22%20fill-opacity%3D%220.05%22%3E%3Ccircle%20cx%3D%2230%22%20cy%3D%2230%22%20r%3D%222%22/%3E%3C/g%3E%3C/g%3E%3C/svg%3E')] opacity-40"></div>
<section className="relative min-h-[90vh] flex flex-col items-center justify-center px-6 py-20 overflow-hidden bg-white dark:bg-[#030712] transition-colors duration-500">
{/* 1. INFRAESTRUTURA VISUAL: Background de Engenharia */}
<div className="absolute inset-0 z-0">
{/* Grid de Coordenadas */}
<div className="absolute inset-0 bg-[linear-gradient(to_right,#e2e8f0_1px,transparent_1px),linear-gradient(to_bottom,#e2e8f0_1px,transparent_1px)] dark:bg-[linear-gradient(to_right,#1e293b_1px,transparent_1px),linear-gradient(to_bottom,#1e293b_1px,transparent_1px)] bg-[size:4rem_4rem] [mask-image:radial-gradient(ellipse_60%_50%_at_50%_50%,#000_70%,transparent_100%)] opacity-20 dark:opacity-20 transition-opacity duration-500" />
{/* Glow de Fundo Reativo */}
<motion.div
animate={{
scale: searchQuery ? 1.2 : 1,
opacity: searchQuery ? (theme === "dark" ? 0.15 : 0.08) : (theme === "dark" ? 0.05 : 0.02)
}}
className={cn(
"absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 w-[800px] h-[500px] rounded-full blur-[120px] transition-colors duration-700",
searchType === "barcode" ? "bg-blue-600 dark:bg-blue-600" : searchType === "name" ? "bg-emerald-600 dark:bg-emerald-600" : "bg-blue-400 dark:bg-blue-900"
)}
/>
<div className="relative z-10 max-w-6xl mx-auto px-4 sm:px-6 lg:px-8 text-center">
{/* Badge */}
<div className="inline-flex items-center gap-2 px-4 py-2 rounded-full bg-blue-100 dark:bg-blue-900/30 text-blue-700 dark:text-blue-300 text-sm font-medium mb-6 sm:mb-8">
<Sparkles className="w-4 h-4" />
Desenvolvido por{" "}
<a
href="https://evandro.dev.br"
target="_blank"
rel="noopener noreferrer"
className="font-semibold hover:underline transition-all hover:text-blue-800 dark:hover:text-blue-200"
>
evandrodevbr
</a>
{" • "}Dados do Open Food Facts
</div>
{/* Elemento Decorativo Lua/Sol */}
<motion.div
initial={{ opacity: 0, scale: 0.8 }}
animate={{ opacity: 1, scale: 1 }}
transition={{ duration: 1, delay: 0.5 }}
className="absolute top-16 right-8 md:top-24 md:right-16 lg:top-32 lg:right-24 z-0 pointer-events-none"
>
<AnimatePresence mode="wait">
{theme === "dark" ? (
<motion.div
key="moon"
initial={{ opacity: 0, rotate: -90 }}
animate={{ opacity: 1, rotate: 0 }}
exit={{ opacity: 0, rotate: 90 }}
transition={{ duration: 0.5 }}
>
<Moon className="w-24 h-24 md:w-32 md:h-32 lg:w-40 lg:h-40 text-blue-400/20 transition-colors duration-500" />
</motion.div>
) : (
<motion.div
key="sun"
initial={{ opacity: 0, rotate: 90 }}
animate={{ opacity: 1, rotate: 0 }}
exit={{ opacity: 0, rotate: -90 }}
transition={{ duration: 0.5 }}
>
<Sun className="w-24 h-24 md:w-32 md:h-32 lg:w-40 lg:h-40 text-yellow-400/30 transition-colors duration-500" />
</motion.div>
)}
</AnimatePresence>
</motion.div>
</div>
{/* Main Heading */}
<h1 className="text-3xl sm:text-4xl lg:text-5xl xl:text-6xl font-bold text-gray-900 dark:text-white mb-4 sm:mb-6 leading-tight">
Descubra o que a comunidade alimentar sabe sobre{" "}
<span className="bg-gradient-to-r from-blue-600 to-green-600 bg-clip-text text-transparent">
seus alimentos
<div className="relative z-10 max-w-5xl mx-auto text-center">
{/* 2. BADGE DE STATUS DO SISTEMA */}
<motion.div
initial={{ opacity: 0, y: -20 }}
animate={{ opacity: 1, y: 0 }}
className="inline-flex items-center gap-3 px-4 py-2 rounded-full bg-gray-100/80 dark:bg-white/5 border border-gray-200 dark:border-white/10 backdrop-blur-md mb-12 transition-colors duration-500"
>
<div className="flex -space-x-2">
<div className="w-6 h-6 rounded-full border-2 border-white dark:border-[#030712] bg-blue-500 flex items-center justify-center">
<Database size={10} className="text-white" />
</div>
<div className="w-6 h-6 rounded-full border-2 border-white dark:border-[#030712] bg-emerald-500 flex items-center justify-center">
<Zap size={10} className="text-white" />
</div>
</div>
<span className="text-[10px] font-black uppercase tracking-[0.2em] text-gray-600 dark:text-slate-400 transition-colors duration-500">
NutriScan Protocol <span className="text-blue-600 dark:text-blue-500">v2.1</span> • {isMounted ? countryCode?.toUpperCase() : "INTL"}
</span>
</motion.div>
{/* 3. HEADLINE DE ALTA DENSIDADE */}
<h1 className="text-5xl md:text-8xl font-black text-gray-900 dark:text-white mb-8 tracking-tighter leading-[0.85] perspective-1000 transition-colors duration-500">
A verdade sobre <br />
<span className={cn(
"text-transparent bg-clip-text bg-gradient-to-r transition-all duration-700",
current.gradient
)}>
seus alimentos.
</span>
</h1>
{/* Subtitle */}
<p className="text-lg sm:text-xl lg:text-2xl text-gray-600 dark:text-gray-300 mb-4 max-w-3xl mx-auto leading-relaxed">
Transparência total, zero custo, milhões de dados colaborativos ao seu
alcance.
<p className="text-gray-600 dark:text-slate-400 text-lg md:text-xl max-w-2xl mx-auto mb-16 leading-relaxed font-medium transition-colors duration-500">
Engenharia de dados aplicada à transparência nutricional.
Descriptografamos rótulos para que você tome decisões soberanas.
</p>
<p className="text-base sm:text-lg text-gray-500 dark:text-gray-400 mb-8 sm:mb-12 max-w-4xl mx-auto leading-relaxed">
Consulte informações nutricionais completas, ingredientes e
classificações de qualidade — tudo baseado no{" "}
<span className="font-semibold text-blue-600">Open Food Facts</span>,
a maior base de dados colaborativa do mundo.
</p>
{/* 4. O TERMINAL DE BUSCA (A PEÇA CENTRAL) */}
<form onSubmit={handleSearch} className="relative max-w-3xl mx-auto group">
{/* Efeito de Borda Neon Reativa */}
<div className={cn(
"absolute -inset-[2px] rounded-[2rem] blur-sm opacity-20 group-focus-within:opacity-100 transition-all duration-500 bg-gradient-to-r",
current.gradient
)} />
{/* Estatísticas Visuais */}
<div className="flex justify-center gap-6 sm:gap-8 mb-8 sm:mb-12 text-center">
<div className="animate-fadeIn">
<div className="text-2xl sm:text-3xl font-bold text-blue-600">
2M+
</div>
<div className="text-xs sm:text-sm text-gray-500">
produtos no banco
</div>
</div>
<div className="animate-fadeIn" style={{ animationDelay: "0.2s" }}>
<div className="text-2xl sm:text-3xl font-bold text-green-600">
100+
</div>
<div className="text-xs sm:text-sm text-gray-500">
países cobertos
</div>
</div>
<div className="animate-fadeIn" style={{ animationDelay: "0.4s" }}>
<div className="text-2xl sm:text-3xl font-bold text-purple-600">
24/7
</div>
<div className="text-xs sm:text-sm text-gray-500">disponível</div>
</div>
</div>
{/* Search Form */}
<form
onSubmit={handleSearch}
className="max-w-2xl mx-auto mb-10 sm:mb-12"
>
<div className="relative">
<div className="flex items-center bg-white dark:bg-gray-800 rounded-2xl shadow-xl overflow-hidden focus-within:ring-2 focus-within:ring-blue-500 transition-all duration-200">
<div className="flex-1 relative">
{searchType === "barcode" ? (
<ScanLine className="absolute left-4 top-1/2 transform -translate-y-1/2 text-gray-400 w-5 h-5 pointer-events-none" />
) : (
<Search className="absolute left-4 top-1/2 transform -translate-y-1/2 text-gray-400 w-5 h-5 pointer-events-none" />
)}
<Input
type="text"
placeholder={getPlaceholder()}
value={searchQuery}
onChange={(e) => setSearchQuery(e.target.value)}
className="pl-12 pr-4 py-4 text-lg border-0 bg-transparent focus:ring-0 focus:outline-none focus:border-transparent focus:shadow-none focus-visible:ring-0 placeholder:text-gray-400 w-full"
/>
<div className="relative flex items-center bg-white/90 dark:bg-slate-900/90 backdrop-blur-2xl rounded-[1.8rem] border border-gray-200 dark:border-white/10 p-2 shadow-2xl transition-colors duration-500">
<div className="flex-1 relative flex items-center">
{/* Ícone de Estado Animado */}
<div className="absolute left-6">
<AnimatePresence mode="wait">
<motion.div
key={searchType}
initial={{ rotate: -90, opacity: 0, scale: 0.5 }}
animate={{ rotate: 0, opacity: 1, scale: 1 }}
exit={{ rotate: 90, opacity: 0, scale: 0.5 }}
className={cn(
"transition-colors duration-500",
searchType === "barcode" ? "text-blue-600 dark:text-blue-400" : searchType === "name" ? "text-emerald-600 dark:text-emerald-400" : "text-gray-400 dark:text-slate-500"
)}
>
{current.icon}
</motion.div>
</AnimatePresence>
</div>
<Button
type="submit"
disabled={loading}
className="m-2 px-6 sm:px-8 py-4 bg-gradient-to-r from-blue-600 to-green-600 hover:from-blue-700 hover:to-green-700 text-white font-semibold rounded-xl transition-all duration-200 transform hover:scale-105 disabled:opacity-50 flex-shrink-0"
>
{loading ? (
<div className="flex items-center gap-2">
<div className="w-4 h-4 border-2 border-white border-t-transparent rounded-full animate-spin" />
Buscando...
</div>
) : (
<div className="flex items-center gap-2">
<Search className="w-5 h-5" />
{getSearchButtonText()}
</div>
)}
</Button>
<Input
type="text"
placeholder={current.placeholder}
value={searchQuery}
onChange={(e) => setSearchQuery(e.target.value)}
className="pl-16 pr-4 py-9 text-xl border-0 bg-transparent focus-visible:ring-0 w-full text-gray-900 dark:text-white placeholder:text-gray-400 dark:placeholder:text-slate-600 font-medium tracking-tight transition-colors duration-500"
/>
</div>
<Button
type="submit"
disabled={loading}
className={cn(
"h-14 px-10 rounded-[1.2rem] font-black uppercase tracking-widest text-xs transition-all duration-500 active:scale-95 shadow-xl",
searchType === "barcode" ? "bg-blue-600 hover:bg-blue-500 shadow-blue-500/20" : "bg-emerald-600 hover:bg-emerald-500 shadow-emerald-500/20"
)}
>
{loading ? (
<div className="w-5 h-5 border-2 border-white/30 border-t-white rounded-full animate-spin" />
) : (
<div className="flex items-center gap-2">
<span>{current.button}</span>
<ArrowRight size={14} className="group-hover:translate-x-1 transition-transform" />
</div>
)}
</Button>
</div>
{/* Search Type Indicator */}
{searchQuery && (
<div className="flex items-center justify-center gap-2 mt-3">
{searchType === "barcode" && (
<div className="flex items-center gap-1 text-sm text-blue-600 dark:text-blue-400">
<ScanLine className="w-4 h-4" />
<span>Busca por código de barras</span>
</div>
)}
{searchType === "name" && (
<div className="flex items-center gap-1 text-sm text-green-600 dark:text-green-400">
<Search className="w-4 h-4" />
<span>Busca por nome do produto</span>
{mounted && userCountry && (
<div className="flex items-center gap-1 text-xs text-gray-500">
<Globe className="w-3 h-3" />
<span>Priorizando {userCountry}</span>
</div>
)}
</div>
)}
{/* 5. METADADOS DA OPERAÇÃO */}
<div className="flex items-center justify-between px-6 mt-6">
<div className={cn(
"flex items-center gap-2 font-mono text-[10px] font-bold uppercase tracking-[0.2em] transition-colors duration-500",
searchType === "barcode" ? "text-blue-500" : searchType === "name" ? "text-emerald-500" : "text-slate-600"
)}>
<span className="relative flex h-2 w-2">
<span className="animate-ping absolute inline-flex h-full w-full rounded-full bg-current opacity-75"></span>
<span className="relative inline-flex rounded-full h-2 w-2 bg-current"></span>
</span>
{current.subtext}
</div>
)}
{error && (
<p className="text-red-500 text-sm mt-3 text-left">{error}</p>
)}
{isMounted && countryCode && (
<div className="flex items-center gap-2 text-gray-600 dark:text-slate-500 bg-gray-100 dark:bg-white/5 px-3 py-1 rounded-full border border-gray-200 dark:border-white/10 transition-colors duration-500">
<Globe size={12} />
<span className="text-[10px] font-bold uppercase">Region: {countryCode.toUpperCase()}</span>
</div>
)}
</div>
</form>
{/* Dica sobre código de barras */}
<p className="text-center text-sm text-gray-500 dark:text-gray-400 mb-8">
💡 Dica: O código de barras está na parte de trás da embalagem
</p>
</div>
{/* Scroll Indicator */}
<div className="absolute bottom-4 sm:bottom-8 left-1/2 transform -translate-x-1/2 animate-bounce mt-12 sm:mt-16">
<div className="w-6 h-10 border-2 border-gray-400 dark:border-gray-500 rounded-full flex justify-center">
<div className="w-1 h-3 bg-gray-400 dark:bg-gray-500 rounded-full mt-2 animate-pulse"></div>
{/* 6. INDICADOR DE MÉTRICAS (Bottom Shelf) */}
<div className="absolute bottom-10 left-1/2 -translate-x-1/2 w-full max-w-4xl px-6 hidden md:block">
<div className="grid grid-cols-3 gap-12 border-t border-gray-200 dark:border-white/5 pt-10 opacity-60 dark:opacity-40 grayscale hover:grayscale-0 transition-all duration-700">
<div className="flex flex-col items-center gap-1">
<span className="text-2xl font-mono font-bold text-gray-900 dark:text-white tracking-tighter transition-colors duration-500">2M+</span>
<span className="text-[9px] uppercase tracking-[0.3em] font-black text-gray-500 dark:text-slate-500 transition-colors duration-500">Dataset Entries</span>
</div>
<div className="flex flex-col items-center gap-1 border-x border-gray-200 dark:border-white/5">
<span className="text-2xl font-mono font-bold text-gray-900 dark:text-white tracking-tighter transition-colors duration-500">100%</span>
<span className="text-[9px] uppercase tracking-[0.3em] font-black text-gray-500 dark:text-slate-500 transition-colors duration-500">Open Source</span>
</div>
<div className="flex flex-col items-center gap-1">
<span className="text-2xl font-mono font-bold text-gray-900 dark:text-white tracking-tighter transition-colors duration-500">&lt; 10s</span>
<span className="text-[9px] uppercase tracking-[0.3em] font-black text-gray-500 dark:text-slate-500 transition-colors duration-500">Analysis Speed</span>
</div>
</div>
</div>
</section>
);
}
// Sub-componente auxiliar para ícone
function ArrowRight({ size, className }: { size: number, className?: string }) {
return (
<svg
width={size} height={size} viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="3" strokeLinecap="round" strokeLinejoin="round" className={className}
>
<path d="M5 12h14m-7-7 7 7-7 7"/>
</svg>
);
}