WE BUILDDIGITAL EMPIRES

// Fragment Shader snippet
#version 300 es
precision highp float;
uniform float u_time;
uniform vec2 u_resolution;
in vec2 v_uv;
out vec4 outColor;

void main() {
  vec2 uv = (gl_FragCoord.xy - 0.5 * u_resolution.xy) / u_resolution.y;
  vec3 col = vec3(0.0);
  
  // Neon cyan/purple glow calculation
  float d = length(uv) * 2.0;
  float wave = sin(d * 8.0 - u_time * 2.0) * 0.5 + 0.5;
  col += vec3(0.0, 0.95, 1.0) * (0.02 / abs(wave - 0.5));
  col += vec3(0.69, 0.15, 1.0) * (0.01 / d);
  
  outColor = vec4(col, 1.0);
}