} // ── SCROLL REVEAL ── function revealOnScroll() { const els = document.querySelectorAll('.reveal'); const observer = new IntersectionObserver((entries) => { entries.forEach(e => { if (e.isIntersecting) { e.target.classList.add('in-view'); observer.unobserve(e.target); } }); }, { threshold: 0.12 }); els.forEach(el => observer.observe(el)); } // ── COUNTDOWN ── function updateCountdown() { const target = new Date('2026-08-22T18:30:00'); const now = new Date(); const diff = target - now; if (diff <= 0) { document.getElementById('cd-days').textContent = '0'; document.getElementById('cd-hours').textContent = '0'; document.getElementById('cd-mins').textContent = '0'; document.getElementById('cd-secs').textContent = '0'; return; } document.getElementById('cd-days').textContent = String(Math.floor(diff / 86400000)).padStart(2,'0'); document.getElementById('cd-hours').textContent = String(Math.floor((diff % 86400000) / 3600000)).padStart(2,'0'); document.getElementById('cd-mins').textContent = String(Math.floor((diff % 3600000) / 60000)).padStart(2,'0'); document.getElementById('cd-secs').textContent = String(Math.floor((diff % 60000) / 1000)).padStart(2,'0'); } updateCountdown(); setInterval(updateCountdown, 1000); // ── RSVP FORM ── function submitRSVP() { const name = document.getElementById('f-name').value.trim(); const attendance = document.querySelector('input[name="attendance"]:checked'); if (!name) { alert('Lütfen adınızı yazınız.'); return; } if (!attendance) { alert('Lütfen katılım durumunuzu seçiniz.'); return; } document.getElementById('rsvp-form').style.display = 'none'; document.getElementById('rsvp-success').classList.add('show'); }