JSFiddle - React, Tailwind, and code Playground

by katalin_2003

HTML

<h1>Ctln STO</h1>

CSS

:root {
  --primary: #2ca500;
  --secondary: #e8e1d9;
  --accent: #c48d68;
  --background: #0a0a0a;
  --spacing: clamp(1.5rem, 5vw, 3.5rem);
}

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

body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: var(--secondary);
  background: linear-gradient(
    45deg,
    var(--background) 0%,
    #003300 50%,
    var(--primary) 100%
  );
  background-attachment: fixed;
  overflow-x: hidden;
  min-height: 100vh;
}

h1 {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  line-height: 1.2;
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--primary);
  text-shadow:
    0 0 7px rgba(0, 165, 37, 0.8),
    0 0 10px rgba(0, 165, 37, 0.3),
    0 0 21px rgba(0, 165, 37, 0.3),
    0 0 42px rgba(104, 196, 141, 0.3);

  /*background: linear-gradient(45deg, #ff3300, var(--primary), var(--accent));*/
  
  background: linear-gradient(45deg, #25CC0F 0%, #076A16 100%);

  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0;
  animation:
    powerOn 1.5s ease-out forwards,
    neonFlicker 4s infinite 2s; /* Starts after powerOn finishes (1.3s + 2s = 3.3s) */
}

@keyframes powerOn {
  0% {
    opacity: 0;
    text-shadow: none;
  }
  40% {
    opacity: 0;
    text-shadow: none;
  }
  /* First flicker */
  42% {
    opacity: 0.8;
  }
  43% {
    opacity: 0.1;
  }

  /* Second flicker */
  60% {
    opacity: 0.9;
  }
  61% {
    opacity: 0.2;
  }

  /* Third flicker */
  75% {
    opacity: 0.8;
  }
  76% {
    opacity: 0.3;
  }

  /* Final power on sequence */
  85% {
    opacity: 0.9;
  }
  86% {
    opacity: 0.7;
  }
  87% {
    opacity: 0.8;
  }
  100% {
    opacity: 1;
  }
}


@keyframes neonFlicker {
  0%,
  100% {
    text-shadow:
      0 0 7px rgba(0, 165, 37, 0.8),
      0 0 10px rgba(0, 165, 37, 0.3),
      0 0 21px rgba(0, 165, 37, 0.3),
      0 0 42px rgba(104, 196, 141, 0.3);
  }
  50% {
    text-shadow:
      0 0 5px rgba(0, 165, 37, 0.7),
     ...