*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: #1a1a1a;
  color: #f0f0f0;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  min-height: 100vh;
}

.wt {
  max-width: 760px;
  padding: 40px 20px 0;
  margin: auto;
}

.wt img {
  width: 100%;
  height: auto;
  display: block;
}

.main {
  max-width: 640px;
  margin: auto;
  padding: 32px 20px 60px;
  text-align: center;
}

h1 {
  font-size: 1.6rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-bottom: 36px;
  color: #ccc;
}

/* Countdown units row */
#countdown {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

/* Separator colon */
.sep {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1;
  color: #555;
  align-self: flex-start;
  padding-top: 14px;
}

/* Digit pair */
.digits {
  display: flex;
  gap: 4px;
}

.digit {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 72px;
  background: #2c2c2c;
  border-radius: 6px;
  font-size: 3rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: #f0f0f0;
  box-shadow: inset 0 -3px 0 rgba(0,0,0,0.4);
  /* hairline split line */
  border-top: 1px solid #3a3a3a;
  position: relative;
  overflow: hidden;
}

/* Flip animation on digit change */
@keyframes flip-in {
  0%   { transform: rotateX(-90deg); opacity: 0; }
  100% { transform: rotateX(0deg);   opacity: 1; }
}

.digit.flip {
  animation: flip-in 0.18s ease-out;
}

.unit-label {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #666;
}

/* Active "W, Big Time!" state */
.active-message {
  font-size: 3.5rem;
  font-weight: 700;
  color: #f0c040;
  letter-spacing: 0.03em;
  margin-top: 16px;
}