:root {
  --main-color: #ff5e00;
  --bg-color: #111;
  --text-color: #fff;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Arial', sans-serif;
  background: var(--bg-color);
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  padding: 1rem;
}

h1 {
  font-size: 6vw;
  max-width: 90%;
  margin-bottom: 1rem;
  color: var(--main-color);
}

.player-container {
  max-width: 600px;
  width: 100%;
}

.play-btn {
  background: var(--main-color);
  border: none;
  color: white;
  font-size: 1.2rem;
  padding: 0.8rem 2rem;
  border-radius: 50px;
  cursor: pointer;
  margin-bottom: 1.5rem;
  transition: background 0.3s;
  width: 100%;
  max-width: 300px;
}

.play-btn:hover {
  background: #ff7c33;
}

.wave {
  display: flex;
  gap: 5px;
  height: 40px;
  justify-content: center;
  align-items: flex-end;
  margin: 0 auto;
  max-width: 300px;
}

.wave div {
  width: 5%;
  background: var(--main-color);
  animation: wave 1s infinite;
  animation-delay: calc(0.1s * var(--i));
  border-radius: 2px;
}

@keyframes wave {
  0%, 100% { height: 20%; }
  50% { height: 100%; }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.5rem;
  }

  .play-btn {
    font-size: 1rem;
    padding: 0.6rem 1.5rem;
  }

  .wave {
    height: 30px;
  }
}