/* General Reset */
* {
  box-sizing: border-box;
}

/* Watermark background image on body */
body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: url('watermark.png') no-repeat center center fixed;
  background-size: cover;
  background-blend-mode: lighten;
  background-color: #ffffff;
  color: #333;
}

/* Transparent white overlay */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: #ffffffc9; /* Light transparent white */
  z-index: -1;
}

/* Header styling */
.header {
  background-color: #ffffff;
  padding: 10px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header .logo {
  color: #000;
  font-size: 1.5em;
  font-weight: bold;
}

.header nav a {
  color: #000;
  text-decoration: none;
  margin-left: 15px;
}

/* Main layout */
.main-container {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 40px;
  gap: 40px;
  margin-top: 100px;
  flex-wrap: wrap;
}

.left-content,
.right-content {
  flex: 1;
  max-width: 50%;
}

.left-content h2,
.checker-box h3 {
  color: #ff8400; /* Orange */
}

/* Checker box (right content box) */
.checker-box {
  background: rgba(255, 255, 255, 0.9);
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

.checker-box input {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border: 1px solid #ccc;
  border-radius: 5px;
}

.checker-box button {
  padding: 10px 20px;
  background-color: #ff8400;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.checker-box button:hover {
  background-color: #218838;
}

/* 📱 Responsive styling for mobile */
@media (max-width: 768px) {
  .main-container {
    flex-direction: column;
    align-items: center;
    padding: 20px;
    gap: 30px;
    margin-top: 60px;
    text-align: center;
  }

  .left-content,
  .right-content {
    max-width: 100%;
    width: 100%;
    padding: 0 15px;
  }

  .left-content h2,
  .left-content p {
    margin-bottom: 10px;
  }

  .checker-box {
    width: 100%;
    max-width: 100%;
    padding: 20px;
  }

  .checker-box input,
  .checker-box button {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .checker-box {
    padding: 15px;
  }

  .main-container {
    padding: 15px;
    gap: 20px;
  }

  .left-content p {
    font-size: 15px;
    line-height: 1.5;
  }
}

#tsparticles {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: -1;
  top: 0;
  left: 0;
}