(() => {
      const header = document.getElementById('siteHeader');
      const revealItems = document.querySelectorAll('.reveal');
      const year = document.getElementById('year');
      year.textContent = new Date().getFullYear();

      const onScroll = () => header.classList.toggle('scrolled', window.scrollY > 18);
      onScroll();
      window.addEventListener('scroll', onScroll, { passive: true });

      const observer = new IntersectionObserver((entries, obs) => {
        entries.forEach(entry => {
          if (entry.isIntersecting) {
            entry.target.classList.add('is-visible');
            obs.unobserve(entry.target);
          }
        });
      }, { threshold: 0.12, rootMargin: '0px 0px -6% 0px' });
      revealItems.forEach(item => observer.observe(item));

      document.querySelectorAll('a[href^="#"]').forEach(link => {
        link.addEventListener('click', event => {
          const id = link.getAttribute('href');
          const target = id && document.querySelector(id);
          if (!target) return;
          event.preventDefault();
          const offset = header.offsetHeight + 8;
          const top = target.getBoundingClientRect().top + window.scrollY - offset;
          window.scrollTo({ top, behavior: 'smooth' });
        });
      });
    })();

    function collectAttribution() {
      const params = new URLSearchParams(location.search);
      const keys = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_content', 'utm_term', 'yclid', 'gclid'];
      return keys.reduce((acc, key) => {
        if (params.get(key)) acc[key] = params.get(key);
        return acc;
      }, {});
    }

    async function submitLead(event) {
      event.preventDefault();
      const form = event.currentTarget;
      const status = document.getElementById('formStatus');
      const button = document.getElementById('submitButton');
      const originalLabel = button.querySelector('span').textContent;

      status.className = 'form-status';
      status.textContent = '';

      if (!form.checkValidity()) {
        form.reportValidity();
        return false;
      }
      if (form.website.value) return false;

      const payload = Object.fromEntries(new FormData(form).entries());
      delete payload.website;
      payload.page = '/hotels';
      payload.source = 'exo-hotel-landing';
      payload.attribution = collectAttribution();
      payload.submitted_at = new Date().toISOString();

      button.disabled = true;
      button.setAttribute('aria-busy', 'true');
      button.querySelector('span').textContent = 'Отправляем…';

      try {
        const endpoint = form.dataset.endpoint || '/api/leads/hotels';
        const response = await fetch(endpoint, {
          method: 'POST',
          headers: { 'Content-Type': 'application/json', 'Accept': 'application/json' },
          body: JSON.stringify(payload),
          credentials: 'same-origin'
        });
        if (!response.ok) throw new Error('HTTP ' + response.status);

        form.reset();
        status.className = 'form-status success show';
        status.textContent = 'Спасибо. Заявка отправлена — специалист подготовит предложение и свяжется с вами.';
      } catch (error) {
        console.error('Lead form error:', error);
        status.className = 'form-status error show';
        status.textContent = 'Не удалось отправить форму. Проверьте подключение обработчика /api/leads/hotels и попробуйте ещё раз.';
      } finally {
        button.disabled = false;
        button.removeAttribute('aria-busy');
        button.querySelector('span').textContent = originalLabel;
      }
      return false;
    }
  

/* ---- merged script block ---- */


(function(){
  const money = new Intl.NumberFormat('ru-RU',{maximumFractionDigits:0});
  const val = (root, selector) => {
    const el=root.querySelector(selector); if(!el) return 0;
    return Number(String(el.value||'').replace(/\s/g,'').replace(',','.'))||0;
  };
  document.querySelectorAll('[data-econ-calc]').forEach(root=>{
    const type=root.getAttribute('data-econ-calc');
    const update=()=>{
      let month=0, volume=0, ready=false;
      if(type==='hotel'){
        const programs=val(root,'#hotelPrograms'), check=val(root,'#hotelCheck'), days=val(root,'#hotelDays');
        ready=programs>0&&check>0&&days>0; volume=programs*days; month=volume*check;
      }else{
        const members=val(root,'#fitMembers'), share=val(root,'#fitShare'), spend=val(root,'#fitSpend');
        ready=members>0&&share>0&&spend>0; volume=Math.round(members*Math.min(share,100)/100); month=volume*spend;
      }
      const monthEl=root.querySelector('[data-econ-month]'), yearEl=root.querySelector('[data-econ-year]'), volumeEl=root.querySelector('[data-econ-volume]');
      if(!ready){monthEl.textContent='—';yearEl.textContent='—';return;}
      monthEl.textContent=money.format(month)+' ₽';yearEl.textContent=money.format(month*12)+' ₽';
      volumeEl.textContent=type==='hotel'?money.format(volume)+' сеансов в месяц':money.format(volume)+' покупателей recovery';
    };
    root.querySelectorAll('input').forEach(input=>input.addEventListener('input',update)); update();
  });
})();


/* === EXO callback modal === */
(function(){
  const modal=document.getElementById('exoCallbackModal');
  const form=document.getElementById('exoCallbackForm');
  if(!modal||!form) return;

  const triggers=[...document.querySelectorAll('.btn--call,.header-call')];
  const closeEls=modal.querySelectorAll('[data-callback-close]');
  const nameInput=document.getElementById('exoCallbackName');
  const phoneInput=document.getElementById('exoCallbackPhone');
  const submit=document.getElementById('exoCallbackSubmit');
  const status=document.getElementById('exoCallbackStatus');
  let lastFocused=null;

  function setStatus(message,type){
    status.textContent=message;
    status.className='exo-callback__status is-show '+(type==='success'?'is-success':'is-error');
  }
  function clearStatus(){
    status.textContent='';
    status.className='exo-callback__status';
  }
  function openModal(event){
    if(event) event.preventDefault();
    lastFocused=document.activeElement;
    clearStatus();
    modal.classList.add('is-open');
    modal.setAttribute('aria-hidden','false');
    document.body.classList.add('exo-callback-open');
    setTimeout(()=>nameInput && nameInput.focus(),60);
  }
  function closeModal(){
    modal.classList.remove('is-open');
    modal.setAttribute('aria-hidden','true');
    document.body.classList.remove('exo-callback-open');
    if(lastFocused && typeof lastFocused.focus==='function') lastFocused.focus();
  }

  triggers.forEach(el=>el.addEventListener('click',openModal));
  closeEls.forEach(el=>el.addEventListener('click',closeModal));
  document.addEventListener('keydown',e=>{
    if(e.key==='Escape' && modal.classList.contains('is-open')) closeModal();
  });

  function formatPhone(){
    let d=phoneInput.value.replace(/\D/g,'').slice(0,11);
    if(!d){phoneInput.value='';return}
    if(d[0]==='8') d='7'+d.slice(1);
    if(d[0]!=='7') d='7'+d;
    let value='+7';
    if(d.length>1) value+=' '+d.slice(1,4);
    if(d.length>=5) value+=' '+d.slice(4,7);
    if(d.length>=8) value+='-'+d.slice(7,9);
    if(d.length>=10) value+='-'+d.slice(9,11);
    phoneInput.value=value;
  }
  phoneInput.addEventListener('input',formatPhone);

  form.addEventListener('submit',async function(event){
    event.preventDefault();
    clearStatus();

    if(!form.checkValidity()){
      form.reportValidity();
      return;
    }
    const phoneDigits=phoneInput.value.replace(/\D/g,'');
    if(phoneDigits.length<11){
      setStatus('Укажите полный номер телефона.','error');
      phoneInput.focus();
      return;
    }

    const payload=Object.fromEntries(new FormData(form).entries());
    delete payload.consent;
    payload.lead_type='callback';
    payload.source='header-call-popup';
    payload.page_url=location.href;
    payload.page_title=document.title;
    payload.created_at=new Date().toISOString();

    const original=submit.textContent;
    submit.disabled=true;
    submit.textContent='Отправляем…';

    try{
      if(location.protocol==='file:') throw new Error('preview');
      const endpoint=form.dataset.endpoint;
      const response=await fetch(endpoint,{
        method:'POST',
        headers:{'Content-Type':'application/json','Accept':'application/json'},
        body:JSON.stringify(payload),
        credentials:'same-origin'
      });
      if(!response.ok) throw new Error('HTTP '+response.status);
      setStatus('Спасибо. Заявка отправлена — специалист свяжется с вами.','success');
      form.reset();
    }catch(error){
      console.warn('Callback form:',error);
      if(location.protocol==='file:' || location.hostname==='localhost'){
        setStatus('Демонстрационный режим: форма работает. После загрузки на сервер заявка будет отправляться в подключённый обработчик.','success');
      }else{
        setStatus('Не удалось отправить заявку. Попробуйте ещё раз или позвоните нам по номеру +7 927 789-60-71.','error');
      }
    }finally{
      submit.disabled=false;
      submit.textContent=original;
    }
  });
})();