Liquid Wave Navigation Menu

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

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

body {
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

.liquid-menu {
  position: fixed;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: 90%;
  max-width: 900px;
}

.menu-container {
  position: relative;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-radius: 50px;
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  overflow: hidden;
}

.wave-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    45deg,
    rgba(0, 150, 255, 0.3) 0%,
    rgba(0, 255, 150, 0.3) 25%,
    rgba(150, 0, 255, 0.3) 50%,
    rgba(255, 150, 0, 0.3) 75%,
    rgba(0, 150, 255, 0.3) 100%
  );
  background-size: 400% 400%;
  animation: wave-flow 10s ease-in-out infinite;
  border-radius: 50px;
}

.logo-text {
  font-size: 1.8rem;
  font-weight: 700;
  background: linear-gradient(45deg, #0096ff, #00ff96, #9600ff);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: text-wave 4s ease-in-out infinite;
  position: relative;
  z-index: 2;
}

.liquid-drop {
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  background: linear-gradient(45deg, #0096ff, #00ff96);
  border-radius: 50%;
  animation: drop-fall 3s ease-in-out infinite;
}

.menu-items {
  display: flex;
  list-style: none;
  gap: 20px;
  margin: 0;
  padding: 0;
}

.menu-link {
  position: relative;
  color: white;
  text-decoration: none;
  font-weight: 500;
  padding: 12px 20px;
  border-radius: 25px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  display: block;
}

.link-text {
  position: relative;
  z-index: 2;
  transition: all 0.3s ease;
}

.wave-effect {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 150, 255, 0.6) 0%,
    rgba(0, 255, 150, 0.6) 50%,
    rgba(150, 0, 255, 0.6) 100%
  );
  border-radius: 25px;
  transform: scale(0) rotate(45deg);
  transition: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  opacity: 0;
}

.menu-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.menu-link:hover .wave-effect {
  transform: scale(1) rotate(0deg);
  opacity: 1;
  animation: wave-ripple 0.8s ease-out;
}

.menu-link:hover .link-text {
  color: white;
  text-shadow: 0 0 15px rgba(255, 255, 255, 0.8);
}

.liquid-blob {
  position: absolute;
  width: 120px;
  height: 120px;
  background: linear-gradient(
    45deg,
    rgba(0, 150, 255, 0.4),
    rgba(0, 255, 150, 0.4),
    rgba(150, 0, 255, 0.4)
  );
  border-radius: 50%;
  filter: blur(25px);
  animation: blob-liquid 8s ease-in-out infinite;
  pointer-events: none;
  z-index: 1;
}

@keyframes wave-flow {
  0%, 100% {
    background-position: 0% 50%;
  }
  25% {
    background-position: 100% 0%;
  }
  50% {
    background-position: 100% 100%;
  }
  75% {
    background-position: 0% 100%;
  }
}

@keyframes text-wave {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

@keyframes drop-fall {
  0%, 100% {
    transform: translateX(-50%) translateY(0) scale(1);
    opacity: 1;
  }
  50% {
    transform: translateX(-50%) translateY(15px) scale(1.5);
    opacity: 0.7;
  }
}

@keyframes wave-ripple {
  0% {
    transform: scale(0.8) rotate(0deg);
  }
  50% {
    transform: scale(1.2) rotate(180deg);
  }
  100% {
    transform: scale(1) rotate(360deg);
  }
}

@keyframes blob-liquid {
  0%, 100% {
    transform: translate(-30px, -30px) scale(1) rotate(0deg);
    border-radius: 50%;
  }
  25% {
    transform: translate(calc(100vw - 150px), -20px) scale(1.3) rotate(90deg);
    border-radius: 30% 70% 60% 40%;
  }
  50% {
    transform: translate(calc(100vw - 120px), calc(100vh - 150px)) scale(0.9) rotate(180deg);
    border-radius: 60% 40% 30% 70%;
  }
  75% {
    transform: translate(-20px, calc(100vh - 140px)) scale(1.1) rotate(270deg);
    border-radius: 40% 60% 70% 30%;
  }
}

@media (max-width: 768px) {
  .menu-container {
    flex-direction: column;
    gap: 15px;
    padding: 20px;
    border-radius: 30px;
  }
  
  .menu-items {
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .menu-link {
    padding: 10px 16px;
    font-size: 0.9rem;
  }
  
  .logo-text {
    font-size: 1.5rem;
  }
  
  .liquid-menu {
    width: 95%;
  }
  
  .liquid-blob {
    width: 80px;
    height: 80px;
  }
}

document.addEventListener('DOMContentLoaded', function() {
  const menuLinks = document.querySelectorAll('.menu-link');
  const menuContainer = document.querySelector('.menu-container');
  const liquidBlob = document.querySelector('.liquid-blob');
  
  // Enhanced liquid wave effects
  menuLinks.forEach(link => {
    link.addEventListener('mouseenter', function() {
      // Create wave ripple
      createWaveRipple(this);
      
      // Add liquid distortion
      this.style.filter = 'blur(1px)';
      setTimeout(() => {
        this.style.filter = 'none';
      }, 300);
    });
    
    link.addEventListener('mouseleave', function() {
      this.style.filter = 'none';
    });
    
    // Add click wave effect
    link.addEventListener('click', function(e) {
      e.preventDefault();
      
      // Create liquid wave explosion
      createLiquidWave(this);
    });
  });
  
  // Create wave ripple effect
  function createWaveRipple(element) {
    const ripple = document.createElement('div');
    
    ripple.style.cssText = `
      position: absolute;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(0, 150, 255, 0.6) 0%, transparent 70%);
      transform: scale(0);
      animation: wave-expand 0.8s ease-out;
      pointer-events: none;
      z-index: 1;
      width: 120px;
      height: 120px;
      left: 50%;
      top: 50%;
      margin-left: -60px;
      margin-top: -60px;
    `;
    
    element.appendChild(ripple);
    
    setTimeout(() => {
      if (ripple.parentNode) {
        ripple.parentNode.removeChild(ripple);
      }
    }, 800);
  }
  
  // Create liquid wave effect
  function createLiquidWave(element) {
    const wave = document.createElement('div');
    
    wave.style.cssText = `
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: radial-gradient(ellipse, 
        rgba(0, 150, 255, 0.8) 0%, 
        rgba(0, 255, 150, 0.6) 30%, 
        rgba(150, 0, 255, 0.4) 60%, 
        transparent 100%);
      border-radius: 25px;
      animation: liquid-wave 1s ease-out;
      pointer-events: none;
      z-index: 1;
    `;
    
    element.appendChild(wave);
    
    setTimeout(() => {
      if (wave.parentNode) {
        wave.parentNode.removeChild(wave);
      }
    }, 1000);
  }
  
  // Add CSS animations
  const style = document.createElement('style');
  style.textContent = `
    @keyframes wave-expand {
      0% {
        transform: scale(0);
        opacity: 1;
      }
      100% {
        transform: scale(2.5);
        opacity: 0;
      }
    }
    
    @keyframes liquid-wave {
      0% {
        transform: scale(0.3) rotate(0deg);
        opacity: 0;
      }
      50% {
        transform: scale(1.5) rotate(180deg);
        opacity: 1;
      }
      100% {
        transform: scale(2) rotate(360deg);
        opacity: 0;
      }
    }
    
    @keyframes liquid-flow {
      0%, 100% {
        transform: translateY(0) scaleX(1);
      }
      50% {
        transform: translateY(-8px) scaleX(1.2);
      }
    }
  `;
  document.head.appendChild(style);
  
  // Interactive blob following mouse
  let mouseX = 0;
  let mouseY = 0;
  let blobX = 0;
  let blobY = 0;
  
  document.addEventListener('mousemove', function(e) {
    mouseX = e.clientX;
    mouseY = e.clientY;
  });
  
  function animateBlob() {
    const dx = mouseX - blobX;
    const dy = mouseY - blobY;
    
    blobX += dx * 0.08;
    blobY += dy * 0.08;
    
    if (liquidBlob) {
      liquidBlob.style.transform = `translate(${blobX - 60}px, ${blobY - 60}px)`;
    }
    
    requestAnimationFrame(animateBlob);
  }
  
  animateBlob();
  
  // Wave color cycling
  let wavePhase = 0;
  
  function cycleWaveColors() {
    wavePhase += 0.015;
    
    const waveBg = document.querySelector('.wave-bg');
    if (waveBg) {
      const hue1 = (wavePhase * 80) % 360;
      const hue2 = (wavePhase * 80 + 120) % 360;
      const hue3 = (wavePhase * 80 + 240) % 360;
      
      waveBg.style.background = `
        linear-gradient(
          45deg,
          hsla(${hue1}, 80%, 60%, 0.3) 0%,
          hsla(${hue2}, 80%, 60%, 0.3) 50%,
          hsla(${hue3}, 80%, 60%, 0.3) 100%
        )
      `;
    }
    
    requestAnimationFrame(cycleWaveColors);
  }
  
  cycleWaveColors();
  
  // Liquid menu item animations
  function addLiquidMotion() {
    menuLinks.forEach((link, index) => {
      const delay = index * 150;
      
      setTimeout(() => {
        link.style.animation = `liquid-flow 4s ease-in-out infinite`;
        link.style.animationDelay = `${index * 0.3}s`;
      }, delay);
    });
  }
  
  addLiquidMotion();
  
  // Liquid drop animation
  function createLiquidDrops() {
    const container = document.querySelector('.menu-container');
    
    setInterval(() => {
      const drop = document.createElement('div');
      drop.style.cssText = `
        position: absolute;
        width: 4px;
        height: 4px;
        background: linear-gradient(45deg, #0096ff, #00ff96);
        border-radius: 50%;
        top: ${Math.random() * 100}%;
        left: ${Math.random() * 100}%;
        animation: drop-float 3s ease-out forwards;
        pointer-events: none;
        z-index: 1;
      `;
      
      container.appendChild(drop);
      
      setTimeout(() => {
        if (drop.parentNode) {
          drop.parentNode.removeChild(drop);
        }
      }, 3000);
    }, 2000);
  }
  
  // Add drop float animation
  const dropStyle = document.createElement('style');
  dropStyle.textContent = `
    @keyframes drop-float {
      0% {
        transform: translateY(0) scale(0);
        opacity: 0;
      }
      20% {
        transform: translateY(-10px) scale(1);
        opacity: 1;
      }
      80% {
        transform: translateY(-30px) scale(1.2);
        opacity: 0.8;
      }
      100% {
        transform: translateY(-50px) scale(0);
        opacity: 0;
      }
    }
  `;
  document.head.appendChild(dropStyle);
  
  createLiquidDrops();
  
  // Parallax wave effect
  window.addEventListener('scroll', function() {
    const scrolled = window.pageYOffset;
    const waveBg = document.querySelector('.wave-bg');
    
    if (waveBg) {
      const speed = scrolled * 0.3;
      waveBg.style.transform = `translateY(${speed}px) scale(1.1)`;
    }
  });
});