// ===== PROMO BANNER =====
function closePromoBanner() {
    const banner = document.getElementById('promo-banner');
    banner.style.maxHeight = banner.offsetHeight + 'px';
    requestAnimationFrame(() => {
        banner.style.maxHeight = '0';
        banner.style.padding = '0';
        banner.style.opacity = '0';
        banner.style.overflow = 'hidden';
    });
    setTimeout(() => {
        banner.style.display = 'none';
    }, 400);
}

// ===== MOBILE MENU =====
const mobileMenuBtn = document.getElementById('mobile-menu-btn');
const mobileMenu = document.getElementById('mobile-menu');
let isMenuOpen = false;

mobileMenuBtn.addEventListener('click', () => {
    isMenuOpen = !isMenuOpen;
    if (isMenuOpen) {
        mobileMenu.classList.add('open');
        mobileMenuBtn.innerHTML = '<i data-lucide="x" class="w-6 h-6"></i>';
    } else {
        mobileMenu.classList.remove('open');
        mobileMenuBtn.innerHTML = '<i data-lucide="menu" class="w-6 h-6"></i>';
    }
    lucide.createIcons();
});

// Fechar menu ao clicar em um link
mobileMenu.querySelectorAll('a').forEach(link => {
    link.addEventListener('click', () => {
        isMenuOpen = false;
        mobileMenu.classList.remove('open');
        mobileMenuBtn.innerHTML = '<i data-lucide="menu" class="w-6 h-6"></i>';
        lucide.createIcons();
    });
});

// ===== HEADER SCROLL EFFECT =====
const header = document.getElementById('header');
window.addEventListener('scroll', () => {
    if (window.scrollY > 50) {
        header.classList.add('scrolled');
    } else {
        header.classList.remove('scrolled');
    }
});

// ===== CUPOM FLUTUANTE =====
const coupon = document.getElementById('coupon-float');
let couponDismissed = false;

function showCoupon() {
    if (!couponDismissed) {
        setTimeout(() => {
            coupon.style.display = 'block';
            coupon.style.opacity = '1';
            coupon.style.transform = 'translateY(0)';
        }, 4000);
    }
}

function closeCoupon() {
    couponDismissed = true;
    coupon.style.opacity = '0';
    coupon.style.transform = 'translateY(20px)';
    setTimeout(() => {
        coupon.style.display = 'none';
    }, 400);
}

// Reaparecer cupom após scroll até procedimentos
let couponReappear = false;
const proceduresSection = document.getElementById('procedures');

const observer = new IntersectionObserver((entries) => {
    entries.forEach(entry => {
        if (entry.isIntersecting && !couponReappear) {
            couponReappear = true;
            couponDismissed = false;
            showCoupon();
        }
    });
}, { threshold: 0.3 });

if (proceduresSection) {
    observer.observe(proceduresSection);
}

// Mostrar cupom inicialmente
showCoupon();

// ===== TESTIMONIAL CAROUSEL =====
const track = document.getElementById('testimonial-track');
const prevBtn = document.getElementById('testimonial-prev');
const nextBtn = document.getElementById('testimonial-next');

if (track && prevBtn && nextBtn) {
    const scrollAmount = 370;

    prevBtn.addEventListener('click', () => {
        track.scrollBy({ left: -scrollAmount, behavior: 'smooth' });
    });

    nextBtn.addEventListener('click', () => {
        track.scrollBy({ left: scrollAmount, behavior: 'smooth' });
    });

    // Auto scroll every 5 seconds
    let autoScrollInterval = setInterval(() => {
        const maxScroll = track.scrollWidth - track.clientWidth;
        if (track.scrollLeft >= maxScroll - 10) {
            track.scrollTo({ left: 0, behavior: 'smooth' });
        } else {
            track.scrollBy({ left: scrollAmount, behavior: 'smooth' });
        }
    }, 5000);

    // Pause auto scroll on hover
    track.addEventListener('mouseenter', () => clearInterval(autoScrollInterval));
    track.addEventListener('mouseleave', () => {
        autoScrollInterval = setInterval(() => {
            const maxScroll = track.scrollWidth - track.clientWidth;
            if (track.scrollLeft >= maxScroll - 10) {
                track.scrollTo({ left: 0, behavior: 'smooth' });
            } else {
                track.scrollBy({ left: scrollAmount, behavior: 'smooth' });
            }
        }, 5000);
    });
}

// ===== FORM SUBMISSION =====
const contactForm = document.getElementById('contact-form');
if (contactForm) {
    contactForm.addEventListener('submit', (e) => {
        e.preventDefault();

        const submitBtn = contactForm.querySelector('button[type="submit"]');
        const originalText = submitBtn.innerHTML;

        // Feedback visual
        submitBtn.innerHTML = '<span class="animate-spin inline-block w-5 h-5 border-2 border-gray-900 border-t-transparent rounded-full"></span> Enviando...';
        submitBtn.disabled = true;

        setTimeout(() => {
            submitBtn.innerHTML = '<i data-lucide="check" class="w-5 h-5"></i> Mensagem Enviada!';
            submitBtn.classList.add('bg-green-400', 'hover:bg-green-400');
            lucide.createIcons();

            // Reset form
            contactForm.reset();

            // Reset button after delay
            setTimeout(() => {
                submitBtn.innerHTML = originalText;
                submitBtn.classList.remove('bg-green-400', 'hover:bg-green-400');
                submitBtn.disabled = false;
                lucide.createIcons();
            }, 3000);
        }, 1500);
    });
}

// ===== SMOOTH SCROLL FOR ANCHOR LINKS =====
document.querySelectorAll('a[href^="#"]').forEach(anchor => {
    anchor.addEventListener('click', function(e) {
        e.preventDefault();
        const target = document.querySelector(this.getAttribute('href'));
        if (target) {
            const headerOffset = 80;
            const elementPosition = target.getBoundingClientRect().top;
            const offsetPosition = elementPosition + window.pageYOffset - headerOffset;

            window.scrollTo({
                top: offsetPosition,
                behavior: 'smooth'
            });
        }
    });
});

// ===== FADE IN ON SCROLL =====
const fadeElements = document.querySelectorAll('.fade-in-on-scroll');

const fadeObserver = new IntersectionObserver((entries) => {
    entries.forEach(entry => {
        if (entry.isIntersecting) {
            entry.target.classList.add('visible');
            fadeObserver.unobserve(entry.target);
        }
    });
}, {
    threshold: 0.1,
    rootMargin: '0px 0px -50px 0px'
});

fadeElements.forEach(el => fadeObserver.observe(el));

// ===== WHATSAPP BUTTON PULSE ON SCROLL =====
const whatsappBtn = document.querySelector('a[href*="wa.me"]');
if (whatsappBtn) {
    window.addEventListener('scroll', () => {
        const scrollPercent = window.scrollY / (document.documentElement.scrollHeight - window.innerHeight);
        if (scrollPercent > 0.3) {
            whatsappBtn.classList.add('animate-pulse-soft');
        }
    });
}

// ===== NAVEGAÇÃO ATIVA =====
const sections = document.querySelectorAll('section[id]');
const navLinks = document.querySelectorAll('header nav a[href^="#"]');

window.addEventListener('scroll', () => {
    let current = '';
    sections.forEach(section => {
        const sectionTop = section.offsetTop - 100;
        if (window.scrollY >= sectionTop) {
            current = section.getAttribute('id');
        }
    });

    navLinks.forEach(link => {
        link.classList.remove('text-olive');
        if (link.getAttribute('href') === '#' + current) {
            link.classList.add('text-olive');
        }
    });
});

// ===== INICIALIZAÇÃO =====
document.addEventListener('DOMContentLoaded', () => {
    console.log('✨ Zays Clinic - Site carregado com sucesso!');
    console.log('💫 Revele sua melhor versão.');
});