// PRELOADER
window.addEventListener('load', () => {
  const fill = document.getElementById('preloader-fill');
  const preloader = document.getElementById('preloader');
  fill.style.width = '100%';
  setTimeout(() => {
    preloader.classList.add('hidden');
  }, 1800);
});

// CUSTOM CURSOR
const cursor = document.getElementById('cursor');
const follower = document.getElementById('cursor-follower');
let mouseX = 0, mouseY = 0, follX = 0, follY = 0;

document.addEventListener('mousemove', (e) => {
  mouseX = e.clientX;
  mouseY = e.clientY;
  cursor.style.left = mouseX + 'px';
  cursor.style.top = mouseY + 'px';
});

function animateFollower() {
  follX += (mouseX - follX) * 0.12;
  follY += (mouseY - follY) * 0.12;
  follower.style.left = follX + 'px';
  follower.style.top = follY + 'px';
  requestAnimationFrame(animateFollower);
}
animateFollower();

// Scale cursor on interactive elements
document.querySelectorAll('a, button, .work-card, .service-card').forEach(el => {
  el.addEventListener('mouseenter', () => {
    cursor.style.transform = 'translate(-50%, -50%) scale(2)';
    follower.style.width = '60px';
    follower.style.height = '60px';
    follower.style.borderColor = 'rgba(201,243,29,0.6)';
  });
  el.addEventListener('mouseleave', () => {
    cursor.style.transform = 'translate(-50%, -50%) scale(1)';
    follower.style.width = '36px';
    follower.style.height = '36px';
    follower.style.borderColor = 'rgba(201,243,29,0.5)';
  });
});

// NAV SCROLL
const nav = document.getElementById('nav');
window.addEventListener('scroll', () => {
  nav.classList.toggle('scrolled', window.scrollY > 50);
});

// MOBILE MENU
const toggle = document.getElementById('nav-toggle');
const mobileMenu = document.getElementById('mobile-menu');
toggle.addEventListener('click', () => {
  mobileMenu.classList.toggle('open');
  document.body.style.overflow = mobileMenu.classList.contains('open') ? 'hidden' : '';
});
document.querySelectorAll('.mobile-link').forEach(link => {
  link.addEventListener('click', () => {
    mobileMenu.classList.remove('open');
    document.body.style.overflow = '';
  });
});

// SCROLL REVEAL
const revealElements = document.querySelectorAll('.work-card, .service-card, .testi-card, .about-text, .about-img-wrap, .contact-left, .contact-right');
revealElements.forEach(el => el.classList.add('reveal'));

const observer = new IntersectionObserver((entries) => {
  entries.forEach((entry, i) => {
    if (entry.isIntersecting) {
      setTimeout(() => entry.target.classList.add('visible'), 100);
    }
  });
}, { threshold: 0.1 });
revealElements.forEach(el => observer.observe(el));

// CONTACT FORM
document.getElementById('contact-form').addEventListener('submit', (e) => {
  e.preventDefault();
  const btn = e.target.querySelector('button');
  btn.textContent = 'Sending...';
  btn.style.opacity = '0.7';
  setTimeout(() => {
    btn.textContent = 'Message Sent! ✓';
    btn.style.opacity = '1';
    btn.style.background = '#22c55e';
    e.target.reset();
    setTimeout(() => {
      btn.textContent = 'Send Message →';
      btn.style.background = '';
    }, 3000);
  }, 1500);
});

// PARALLAX ORBS
window.addEventListener('mousemove', (e) => {
  const x = (e.clientX / window.innerWidth - 0.5) * 20;
  const y = (e.clientY / window.innerHeight - 0.5) * 20;
  document.querySelector('.orb-1').style.transform = `translate(${x}px, ${y}px)`;
  document.querySelector('.orb-2').style.transform = `translate(${-x * 0.7}px, ${-y * 0.7}px)`;
  document.querySelector('.orb-3').style.transform = `translate(${x * 0.5}px, ${y * 0.5}px)`;
});

// STAGGER work cards
document.querySelectorAll('.work-card').forEach((card, i) => {
  card.style.transitionDelay = (i * 0.1) + 's';
});
document.querySelectorAll('.service-card').forEach((card, i) => {
  card.style.transitionDelay = (i * 0.08) + 's';
});