hsrprojects.org/404.html at main · HSR-projects/hsrprojects.org · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width,initial-scale=1" />
  <title>404 Not Found</title>
  <style>
    /* Base */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    body {
      height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, #0d1117, #1e1e2e);
      font-family: "Inter", sans-serif;
      overflow: hidden;
    }

    /* Glassy container */
    .card {
      backdrop-filter: blur(12px);
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 20px;
      padding: 3rem;
      text-align: center;
      box-shadow: 0 0 40px rgba(0, 0, 0, 0.4);
      animation: fadeIn 1.5s ease-out;
    }

    /* Title */
    h1 {
      font-size: 5rem;
      color: #ffffff;
      text-shadow: 0 0 15px rgba(88, 166, 255, 0.8);
      animation: pulse 3s infinite alternate;
    }

    p {
      margin-top: 1rem;
      font-size: 1.2rem;
      color: #c9d1d9;
    }

    a {
      display: inline-block;
      margin-top: 2rem;
      padding: 0.8rem 1.5rem;
      border-radius: 12px;
      background: rgba(88, 166, 255, 0.2);
      color: #58a6ff;
      font-weight: bold;
      text-decoration: none;
      transition: 0.3s ease;
    }
    a:hover {
      background: rgba(88, 166, 255, 0.4);
      color: #ffffff;
    }

    /* Animations */
    @keyframes pulse {
      from {
        text-shadow: 0 0 15px rgba(88, 166, 255, 0.8);
      }
      to {
        text-shadow: 0 0 30px rgba(88, 166, 255, 1);
      }
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(20px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    /* Floating particles */
    .particle {
      position: absolute;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: rgba(88, 166, 255, 0.6);
      animation: float 10s infinite linear;
    }

    @keyframes float {
      from { transform: translateY(100vh) translateX(0); opacity: 0; }
      25%  { opacity: 1; }
      to   { transform: translateY(-20vh) translateX(50vw); opacity: 0; }
    }
  </style>
</head>
<body>
  <!-- Floating particles -->
  <div class="particle" style="left:10%; animation-delay:0s;"></div>
  <div class="particle" style="left:30%; animation-delay:2s;"></div>
  <div class="particle" style="left:60%; animation-delay:4s;"></div>
  <div class="particle" style="left:80%; animation-delay:6s;"></div>

  <!-- 404 card -->
  <div class="card">
    <h1>404</h1>
    <p>Oops! The page you are looking for is not found on our server</p>
    <a href="https://hsr-projects.github.io/hsrprojects.org">⬅ Return Home</a>
  </div>
</body>
</html>