body {
  margin: 0;
  height: 100vh;
  width: 100vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-family: Arial, sans-serif;
  position: relative;
  color: #fff;

  background:
    radial-gradient(circle at bottom right, rgba(255, 0, 0, 0.25), transparent 55%),
    radial-gradient(circle at bottom right, rgba(255, 0, 0, 0.12), transparent 70%),
    linear-gradient(to top left, #000000, #050000, #000000);
}

h1 {
  font-size: 3rem;
  letter-spacing: 4px;
  margin: 0;
  display: flex;
  flex-direction: row;
}

.red {
  color: red;
  margin-left: 10px;
}

h2 {
  font-size: 1.2rem;
  font-weight: 300;
  margin-top: 10px;
  opacity: 0.8;
}

.clock-card {
  position: absolute;
  top: 20px;
  left: 20px;
  margin-top: 0;
  padding: 20px 40px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  box-shadow: 0 0 25px rgba(0, 255, 200, 0.08);
}

.time {
  font-size: 2.5rem;
  font-weight: bold;
  letter-spacing: 2px;
  text-shadow: 0 0 15px rgba(0, 255, 200, 0.3);
}

.date {
  margin-top: 6px;
  font-size: 1rem;
  opacity: 0.8;
}

.zone {
  margin-top: 4px;
  font-size: 0.8rem;
  opacity: 0.5;
}

.buttons {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  width: 70%;
  max-width: 1200px;
}

.column {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

button {
  background: #111;
  color: #fff;
  border: 1px solid #333;
  padding: 14px 24px;
  font-size: 1rem;
  cursor: pointer;
  border-radius: 10px;
  transition: 0.2s;
  min-width: 100px;
}

button:hover {
  background: #fff;
  color: #000;
  transform: scale(1.05);
}

.credit {
  position: absolute;
  bottom: 0;
  color: #ffffff50;
  margin: 10px;
  letter-spacing: 2px;
}

@media (max-width: 1024px) {
  .buttons {
    grid-template-columns: repeat(2, 1fr);
    width: 90%;
  }

  h1 {
    font-size: 2.2rem;
  }

  .clock-card {
    padding: 16px 24px;
  }

  .time {
    font-size: 2rem;
  }
}

@media (max-width: 600px) {
  body {
    justify-content: flex-start;
    padding-top: 40px;
  }

  h1 {
    font-size: 1.8rem;
    text-align: center;
  }

  h2 {
    font-size: 1rem;
    text-align: center;
  }

  .buttons {
    grid-template-columns: repeat(2, 1fr);
    width: 92%;
    gap: 12px;
  }

  button {
    padding: 12px 14px;
    font-size: 0.85rem;
    min-width: unset;
  }

  .clock-card {
    position: static;
    margin-top: 20px;
    width: 85%;
  }

  .credit {
    position: static;
    margin-top: 20px;
  }
}

@media (max-width: 420px) {
  .buttons {
    grid-template-columns: 1fr;
  }

  button {
    font-size: 0.9rem;
    padding: 14px;
  }
}