/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #fff;
}

/* Heading styling */
h1 {
  font-size: clamp(20px, 4vw, 32px);
  margin-bottom: 20px;
  color: #00ffd5;
  text-shadow: 0 0 10px rgba(0, 255, 213, 0.6);
  letter-spacing: 1px;
}

/* Clock styling */
.clock {
  font-family: "Courier New", monospace;
  font-size: clamp(36px, 10vw, 80px); /* responsive size */
  font-weight: bold;
  color: #ffffff;
  padding: 20px 40px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5),
              0 0 25px rgba(0, 255, 213, 0.3);
  letter-spacing: 3px;
  text-align: center;
  transition: transform 0.3s ease;
}

/* Hover effect */
.clock:hover {
  transform: scale(1.0)
}