body {
  font-family: Georgia, Bangla;
  margin: 0;
  padding: 0;
  background-color: black;
  color: #333;
}
@font-face {
    font-family: "Bangla";
    src: url("./bangla.ttf");
}
header h1 {
  font-family: "Times New Roman", Times, serif;
  font-size: 22px;
  background-color: #000000;
  padding: 10px 20px;
  text-align: center;
  border-radius: 12px;
  width: fit-content;
  margin: 10px auto;
  box-shadow: 
    0 4px 8px rgba(255, 255, 255, 0.1), 
    0 6px 20px rgba(0, 0, 0, 0.3),
    inset 0 0 8px rgba(255, 255, 255, 0.05);
  border: 1px solid #444;
  transition: all 0.3s ease;
}

h1 {
  font-family: "Times New Roman", serif;
  font-size: 20px;
  color: #ffffff;
  background-color: black;
  padding: 15px 20px;
  text-align: center;
  border-radius: 25px;
  width: fit-content;
  margin: 30px auto;
  box-shadow: 
    0 4px 8px rgba(0, 0, 0, 0.5),   /* Darker shadow for a more refined look */
    0 6px 15px rgba(255, 255, 255, 0.2),  /* Light highlight shadow for contrast */
    inset 0 0 15px rgba(255, 255, 255, 0.1);  /* Soft inner glow */
  border: 1px solid #444;  /* Elegant border with soft contrast */
  transition: all 0.3s ease-in-out;
  font-weight: 600;
}
h1:hover {
  box-shadow: 
    0 8px 15px rgba(0, 38, 102, 0.6),   /* Deep blue glow for premium feel */
    0 10px 20px rgba(0, 38, 102, 0.4),  /* Rich deep blue outer glow */
    inset 0 0 10px rgba(0, 38, 102, 0.3);  /* Deep blue inner glow */
  transform: scale(1.05);
}
/* Rainbow glowing text */
.rainbow-text {
  background-image: linear-gradient(-90deg, #ff0000, #a6f656, #55f6f6, #a655f6, #f65555);
  background-size: 200%;
  -webkit-text-fill-color: transparent;
  -webkit-background-clip: text;
  animation: animate 3s linear infinite reverse;  /* Slower animation for smoother glow */
  display: inline-block;
  font-weight: 600;
}
h2 {
  font-family: Georgia, Bangla;
  font-size: 1.25em;
  background: linear-gradient(45deg, white, lightblue, blue, violet, purple, pink, red);
  -webkit-background-clip: text;
  color: transparent;
  line-height: 1.5;
  font-weight: normal;
  text-align: center;
  margin: 0.5em 0;
}
header p {
  font-family: "Georgia", Bangla;
  font-size: 5vw;
  font-weight: normal;
  color: #00ffe7;
  margin-top: 15px;
  line-height: 1.6;
}
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  text-align: center;
}
header {
  background-color: black;
  color: red;
  padding: 20px 0;
}
main {
  margin-top: 20px;
}
.guide, .music-player, .breathing-exercise, .optical-simulation {
  font-family: "Georgia", Bangla;
  font-size: 4vw;
  font-weight: normal;
  color: #00ffe7;
  margin-top: 15px;
  line-height: 1.7;
  background-color: black;
  border: solid 2px;
  border-radius: 15px;
  padding: 10px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}
button {
	cursor: pointer;  
    background: linear-gradient(45deg, #00ffe1, #a86ff0);  
      font-weight: bold;  
      color: white;
      box-shadow: 0 4px 12px rgba(0,255,225,0.3);  
      padding: 10px 15px;
      border-radius: 5px;
      cursor: pointer;
      font-size: 1em;
}
button:hover {
  background-color: #45a049;
}