132 lines
5.3 KiB
TypeScript
132 lines
5.3 KiB
TypeScript
"use client";
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import React, { useState, useEffect } from "react";
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import Link from "next/link";
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import { useTheme } from "next-themes";
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import { Sun, Moon, Menu, X } from "lucide-react";
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import Image from "next/image";
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import { cn } from "@/lib/utils";
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const NAV_LINKS = [
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{ href: "/#como-funciona", label: "Como funciona" },
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{ href: "/#recursos", label: "Recursos" },
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{ href: "/sobre", label: "Sobre" },
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];
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export function Header() {
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const [isMenuOpen, setIsMenuOpen] = useState(false);
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const [mounted, setMounted] = useState(false);
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const [scrolled, setScrolled] = useState(false);
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const { theme, setTheme } = useTheme();
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useEffect(() => {
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setMounted(true);
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const onScroll = () => setScrolled(window.scrollY > 12);
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window.addEventListener("scroll", onScroll, { passive: true });
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return () => window.removeEventListener("scroll", onScroll);
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}, []);
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const toggleTheme = () => setTheme(theme === "dark" ? "light" : "dark");
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return (
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<header
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className={cn(
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"sticky top-0 z-[100] w-full transition-all duration-300",
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scrolled
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? "bg-[var(--bg-base)]/90 backdrop-blur-md border-b border-[var(--border-subtle)]"
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: "bg-[var(--bg-base)] border-b border-transparent"
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)}
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>
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<div className="container-editorial">
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<div className="flex items-center justify-between h-16">
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{/* ── Logo ──────────────────────────────────────────────────── */}
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<Link href="/" className="flex items-center gap-3 group">
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<Image
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src="/apple-touch-icon.png"
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alt="NutriScan"
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width={32}
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height={32}
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priority
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className="rounded object-contain"
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/>
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<div className="flex flex-col leading-none">
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<span className="font-sans font-semibold text-[var(--fg-primary)] text-base tracking-tight">
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NutriScan
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</span>
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<span className="label text-[var(--fg-faint)] mt-0.5">
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Dados Nutricionais
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</span>
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</div>
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</Link>
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{/* ── Desktop nav ───────────────────────────────────────────── */}
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<nav className="hidden md:flex items-center gap-1">
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{NAV_LINKS.map((link) => (
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<Link
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key={link.href}
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href={link.href}
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className="px-4 py-2 label text-[var(--fg-muted)] hover:text-[var(--fg-primary)] rounded transition-colors duration-200"
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>
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{link.label}
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</Link>
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))}
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</nav>
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{/* ── Actions ───────────────────────────────────────────────── */}
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<div className="flex items-center gap-2">
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{/* Theme toggle */}
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{mounted && (
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<button
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onClick={toggleTheme}
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aria-label={theme === "dark" ? "Modo claro" : "Modo escuro"}
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className="w-9 h-9 flex items-center justify-center rounded border border-[var(--border-subtle)] text-[var(--fg-muted)] hover:text-[var(--fg-primary)] hover:border-[var(--border-strong)] transition-all duration-200"
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>
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{theme === "dark" ? (
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<Sun className="w-4 h-4" strokeWidth={1.5} />
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) : (
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<Moon className="w-4 h-4" strokeWidth={1.5} />
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)}
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</button>
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)}
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{/* Mobile hamburger */}
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<button
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className="md:hidden w-9 h-9 flex items-center justify-center rounded border border-[var(--border-subtle)] text-[var(--fg-muted)] hover:text-[var(--fg-primary)] transition-all duration-200"
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onClick={() => setIsMenuOpen(!isMenuOpen)}
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aria-label={isMenuOpen ? "Fechar menu" : "Abrir menu"}
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>
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{isMenuOpen ? (
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<X className="w-4 h-4" strokeWidth={1.5} />
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) : (
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<Menu className="w-4 h-4" strokeWidth={1.5} />
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)}
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</button>
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</div>
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</div>
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</div>
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{/* ── Mobile menu ───────────────────────────────────────────────── */}
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<div
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className={cn(
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"md:hidden overflow-hidden transition-all duration-300 border-t border-[var(--border-subtle)]",
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isMenuOpen ? "max-h-64 opacity-100" : "max-h-0 opacity-0"
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)}
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>
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<nav className="container-editorial py-6 flex flex-col gap-1">
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{NAV_LINKS.map((link) => (
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<Link
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key={link.href}
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href={link.href}
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onClick={() => setIsMenuOpen(false)}
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className="py-3 font-sans font-medium text-[var(--fg-secondary)] hover:text-[var(--fg-primary)] border-b border-[var(--border-subtle)] last:border-0 transition-colors duration-200"
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>
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{link.label}
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</Link>
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))}
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</nav>
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</div>
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</header>
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);
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}
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