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

a {
  text-decoration: none;
  color: #000;
}

body {
  font-family: "Roboto", sans-serif;
  background-color: #f5f5f5;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
}

.app {
  background: url(./images/bg.webp);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;
  height: 100vh;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  overflow: hidden;
  position: relative;
}

.content {
  width: 60%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin-top: 2%;
  margin-left: 20%;
}

.title {
  width: 60%;
}

.countdown-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Arial Black", sans-serif;
  color: #ff3c00;
  font-weight: bold;
  gap: 10px;
  margin: 20px 0;
}

.expire-text {
  color: #ff3c00;
  font-size: 2.5rem;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.time-box {
  background: linear-gradient(180deg, #ff3c00, #b30e00);
  border-radius: 10px;
  padding: 6px 16px;
  color: #fff;
  font-size: 2.5rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.time-label {
  font-size: 2.5rem;
  color: #ff3c00;
  margin-left: 4px;
}

.btn {
  width: 40%;
  display: flex;
  gap: 50px;
  margin: 20px 0;
}

.text {
  width: 60%;
}

@keyframes scaleAnimation {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}
.btn a img {
  animation: scaleAnimation 1.5s infinite ease-in-out;
}

.title-mb,
.sub-title {
  display: none;
}

@media screen and (max-width: 768px) {
  .app {
    background: url(./images/bg-mb.webp);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center top;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    overflow: hidden;
  }

  .title {
    display: none;
  }

  .content {
    margin: 0;
    width: 100%;
  }

  .countdown-wrapper {
    margin: 0;
    gap: 5px;
  }

  .time-box,
  .time-label,
  .expire-text {
    font-size: 1rem;
    font-weight: bold;
  }

  .time-box {
    padding: 2px;
  }

  .btn {
    width: 90%;
    margin: 5px;
  }
}