Magnetic Attraction Navigation Menu

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  background: radial-gradient(ellipse at center, #1a1a2e 0%, #16213e 50%, #0f0f23 100%);
  min-height: 100vh;
  overflow-x: hidden;
  cursor: none;
}

.magnetic-menu {
  position: fixed;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: 90%;
  max-width: 1000px;
}

.menu-container {
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border-radius: 60px;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.magnetic-field {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(138, 43, 226, 0.3) 0%,
    rgba(30, 144, 255, 0.2) 30%,
    rgba(255, 20, 147, 0.1) 60%,
    transparent 100%
  );
  border-radius: 60px;
  transition: all 0.3s ease;
  pointer-events: none;
}

.logo-text {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(45deg, #8a2be2, #1e90ff, #ff1493);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: magnetic-glow 3s ease-in-out infinite;
  position: relative;
  z-index: 2;
}

.magnetic-pulse {
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  background: radial-gradient(circle, #8a2be2 0%, #1e90ff 50%, #ff1493 100%);
  border-radius: 50%;
  animation: pulse-magnetic 2s ease-in-out infinite;
  box-shadow: 0 0 20px rgba(138, 43, 226, 0.8);
}

.menu-items {
  display: flex;
  list-style: none;
  gap: 30px;
  margin: 0;
  padding: 0;
}

.menu-link {
  position: relative;
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  padding: 15px 25px;
  border-radius: 30px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  display: block;
  cursor: none;
}

.link-text {
  position: relative;
  z-index: 3;
  transition: all 0.3s ease;
}

.magnetic-aura {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at center,
    rgba(138, 43, 226, 0.4) 0%,
    rgba(30, 144, 255, 0.3) 40%,
    rgba(255, 20, 147, 0.2) 70%,
    transparent 100%
  );
  border-radius: 30px;
  transform: scale(0);
  transition: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  opacity: 0;
}

.menu-link:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 20px 40px rgba(138, 43, 226, 0.3);
  color: white;
}

.menu-link:hover .magnetic-aura {
  transform: scale(1.2);
  opacity: 1;
  animation: magnetic-ripple 1s ease-out;
}

.menu-link:hover .link-text {
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
}

.magnetic-particles {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 1;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: radial-gradient(circle, #8a2be2, #1e90ff);
  border-radius: 50%;
  animation: float-particle 4s ease-in-out infinite;
  box-shadow: 0 0 10px rgba(138, 43, 226, 0.8);
}

@keyframes magnetic-glow {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

@keyframes pulse-magnetic {
  0%, 100% {
    transform: translateX(-50%) scale(1);
    opacity: 1;
  }
  50% {
    transform: translateX(-50%) scale(1.5);
    opacity: 0.7;
  }
}

@keyframes magnetic-ripple {
  0% {
    transform: scale(0.8);
  }
  50% {
    transform: scale(1.4);
  }
  100% {
    transform: scale(1.2);
  }
}

@keyframes float-particle {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
    opacity: 0.8;
  }
  25% {
    transform: translateY(-20px) rotate(90deg);
    opacity: 1;
  }
  50% {
    transform: translateY(-10px) rotate(180deg);
    opacity: 0.6;
  }
  75% {
    transform: translateY(-30px) rotate(270deg);
    opacity: 0.9;
  }
}

.custom-cursor {
  position: fixed;
  width: 20px;
  height: 20px;
  background: radial-gradient(circle, #8a2be2, #1e90ff);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transition: all 0.1s ease;
  box-shadow: 0 0 20px rgba(138, 43, 226, 0.8);
}

.custom-cursor.hover {
  transform: scale(2);
  background: radial-gradient(circle, #ff1493, #8a2be2);
}

@media (max-width: 768px) {
  .menu-container {
    flex-direction: column;
    gap: 20px;
    padding: 25px;
    border-radius: 40px;
  }
  
  .menu-items {
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .menu-link {
    padding: 12px 20px;
    font-size: 0.9rem;
  }
  
  .logo-text {
    font-size: 1.6rem;
  }
  
  .magnetic-menu {
    width: 95%;
  }
  
  body {
    cursor: auto;
  }
  
  .custom-cursor {
    display: none;
  }
}

document.addEventListener('DOMContentLoaded', function() {
  const menuContainer = document.querySelector('.menu-container');
  const menuLinks = document.querySelectorAll('.menu-link');
  const magneticField = document.querySelector('.magnetic-field');
  const particlesContainer = document.querySelector('.magnetic-particles');
  
  // Custom cursor
  const cursor = document.createElement('div');
  cursor.className = 'custom-cursor';
  document.body.appendChild(cursor);
  
  let mouseX = 0;
  let mouseY = 0;
  let cursorX = 0;
  let cursorY = 0;
  
  // Mouse tracking
  document.addEventListener('mousemove', function(e) {
    mouseX = e.clientX;
    mouseY = e.clientY;
    
    // Update magnetic field
    const rect = menuContainer.getBoundingClientRect();
    const x = ((e.clientX - rect.left) / rect.width) * 100;
    const y = ((e.clientY - rect.top) / rect.height) * 100;
    
    magneticField.style.setProperty('--mouse-x', x + '%');
    magneticField.style.setProperty('--mouse-y', y + '%');
  });
  
  // Smooth cursor animation
  function animateCursor() {
    const dx = mouseX - cursorX;
    const dy = mouseY - cursorY;
    
    cursorX += dx * 0.1;
    cursorY += dy * 0.1;
    
    cursor.style.left = cursorX + 'px';
    cursor.style.top = cursorY + 'px';
    
    requestAnimationFrame(animateCursor);
  }
  
  animateCursor();
  
  // Magnetic attraction effect
  menuLinks.forEach(link => {
    link.addEventListener('mouseenter', function() {
      cursor.classList.add('hover');
      
      // Create magnetic attraction
      this.style.transform = 'translateY(-5px) scale(1.05)';
      
      // Add magnetic distortion
      createMagneticDistortion(this);
    });
    
    link.addEventListener('mouseleave', function() {
      cursor.classList.remove('hover');
      this.style.transform = '';
    });
    
    link.addEventListener('mousemove', function(e) {
      const rect = this.getBoundingClientRect();
      const x = e.clientX - rect.left - rect.width / 2;
      const y = e.clientY - rect.top - rect.height / 2;
      
      // Magnetic pull effect
      const distance = Math.sqrt(x * x + y * y);
      const maxDistance = 100;
      const force = Math.max(0, (maxDistance - distance) / maxDistance);
      
      const moveX = (x / rect.width) * 20 * force;
      const moveY = (y / rect.height) * 20 * force;
      
      this.style.transform = `translateY(-5px) scale(1.05) translate(${moveX}px, ${moveY}px)`;
    });
    
    // Click magnetic explosion
    link.addEventListener('click', function(e) {
      e.preventDefault();
      createMagneticExplosion(this, e);
    });
  });
  
  // Create magnetic distortion effect
  function createMagneticDistortion(element) {
    const distortion = document.createElement('div');
    
    distortion.style.cssText = `
      position: absolute;
      top: -20px;
      left: -20px;
      right: -20px;
      bottom: -20px;
      background: radial-gradient(
        circle,
        rgba(138, 43, 226, 0.3) 0%,
        rgba(30, 144, 255, 0.2) 40%,
        transparent 70%
      );
      border-radius: 50px;
      animation: magnetic-distort 0.8s ease-out;
      pointer-events: none;
      z-index: 1;
    `;
    
    element.appendChild(distortion);
    
    setTimeout(() => {
      if (distortion.parentNode) {
        distortion.parentNode.removeChild(distortion);
      }
    }, 800);
  }
  
  // Create magnetic explosion effect
  function createMagneticExplosion(element, event) {
    const explosion = document.createElement('div');
    const rect = element.getBoundingClientRect();
    
    explosion.style.cssText = `
      position: fixed;
      width: 200px;
      height: 200px;
      left: ${event.clientX - 100}px;
      top: ${event.clientY - 100}px;
      background: radial-gradient(
        circle,
        rgba(255, 20, 147, 0.8) 0%,
        rgba(138, 43, 226, 0.6) 30%,
        rgba(30, 144, 255, 0.4) 60%,
        transparent 100%
      );
      border-radius: 50%;
      animation: magnetic-explode 1s ease-out;
      pointer-events: none;
      z-index: 9998;
    `;
    
    document.body.appendChild(explosion);
    
    // Create particles
    for (let i = 0; i < 12; i++) {
      createMagneticParticle(event.clientX, event.clientY);
    }
    
    setTimeout(() => {
      if (explosion.parentNode) {
        explosion.parentNode.removeChild(explosion);
      }
    }, 1000);
  }
  
  // Create magnetic particles
  function createMagneticParticle(x, y) {
    const particle = document.createElement('div');
    const angle = Math.random() * Math.PI * 2;
    const velocity = 2 + Math.random() * 3;
    const size = 2 + Math.random() * 4;
    
    particle.style.cssText = `
      position: fixed;
      width: ${size}px;
      height: ${size}px;
      left: ${x}px;
      top: ${y}px;
      background: radial-gradient(circle, #ff1493, #8a2be2);
      border-radius: 50%;
      pointer-events: none;
      z-index: 9997;
      box-shadow: 0 0 10px rgba(255, 20, 147, 0.8);
    `;
    
    document.body.appendChild(particle);
    
    let particleX = x;
    let particleY = y;
    let life = 1;
    
    function animateParticle() {
      particleX += Math.cos(angle) * velocity;
      particleY += Math.sin(angle) * velocity;
      life -= 0.02;
      
      particle.style.left = particleX + 'px';
      particle.style.top = particleY + 'px';
      particle.style.opacity = life;
      particle.style.transform = `scale(${life})`;
      
      if (life > 0) {
        requestAnimationFrame(animateParticle);
      } else {
        if (particle.parentNode) {
          particle.parentNode.removeChild(particle);
        }
      }
    }
    
    animateParticle();
  }
  
  // Generate floating particles
  function generateFloatingParticles() {
    for (let i = 0; i < 8; i++) {
      const particle = document.createElement('div');
      particle.className = 'particle';
      
      particle.style.left = Math.random() * 100 + '%';
      particle.style.top = Math.random() * 100 + '%';
      particle.style.animationDelay = Math.random() * 4 + 's';
      particle.style.animationDuration = (3 + Math.random() * 2) + 's';
      
      particlesContainer.appendChild(particle);
    }
  }
  
  generateFloatingParticles();
  
  // Add CSS animations
  const style = document.createElement('style');
  style.textContent = `
    @keyframes magnetic-distort {
      0% {
        transform: scale(0) rotate(0deg);
        opacity: 0;
      }
      50% {
        transform: scale(1.2) rotate(180deg);
        opacity: 1;
      }
      100% {
        transform: scale(1) rotate(360deg);
        opacity: 0;
      }
    }
    
    @keyframes magnetic-explode {
      0% {
        transform: scale(0);
        opacity: 1;
      }
      50% {
        transform: scale(1.5);
        opacity: 0.8;
      }
      100% {
        transform: scale(3);
        opacity: 0;
      }
    }
  `;
  document.head.appendChild(style);
  
  // Magnetic field intensity based on proximity
  function updateMagneticIntensity() {
    const rect = menuContainer.getBoundingClientRect();
    const centerX = rect.left + rect.width / 2;
    const centerY = rect.top + rect.height / 2;
    
    const distance = Math.sqrt(
      Math.pow(mouseX - centerX, 2) + Math.pow(mouseY - centerY, 2)
    );
    
    const maxDistance = 300;
    const intensity = Math.max(0, (maxDistance - distance) / maxDistance);
    
    magneticField.style.opacity = intensity * 0.8;
    
    requestAnimationFrame(updateMagneticIntensity);
  }
  
  updateMagneticIntensity();
  
  // Magnetic menu container attraction
  menuContainer.addEventListener('mousemove', function(e) {
    const rect = this.getBoundingClientRect();
    const x = e.clientX - rect.left - rect.width / 2;
    const y = e.clientY - rect.top - rect.height / 2;
    
    const moveX = (x / rect.width) * 10;
    const moveY = (y / rect.height) * 10;
    
    this.style.transform = `translate(${moveX}px, ${moveY}px)`;
  });
  
  menuContainer.addEventListener('mouseleave', function() {
    this.style.transform = '';
  });
  
  // Keyboard navigation with magnetic effects
  let currentIndex = -1;
  
  document.addEventListener('keydown', function(e) {
    if (e.key === 'Tab') {
      e.preventDefault();
      currentIndex = (currentIndex + 1) % menuLinks.length;
      
      menuLinks.forEach((link, index) => {
        if (index === currentIndex) {
          link.focus();
          link.style.transform = 'translateY(-5px) scale(1.05)';
          createMagneticDistortion(link);
        } else {
          link.style.transform = '';
        }
      });
    }
  });
});