* {
  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;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  overflow: hidden;
  padding-bottom: 3%;
}

.btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 60%;
  gap: 20px;
}

.top {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  gap: 20px 70px;
}

.bot {
  width: 55%;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
}

@keyframes scaleAnimation {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

.top a img,
.btn a img {
  animation: scaleAnimation 1.5s infinite ease-in-out;
}

.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.popup-overlay.active {
  visibility: visible;
  opacity: 1;
}

.popup-content {
  position: relative;
  background: white;
  padding: 20px;
  border-radius: 8px;
  text-align: center;
  max-width: 500px;
  width: 90%;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.popup-content h2 {
  margin-bottom: 10px;
  font-size: 2.5rem;
  font-weight: bold;
  color: red;
}

.popup-content p {
  margin-bottom: 20px;
  font-size: 2rem;
}

.popup-content button {
  position: absolute;
  top: 10px;
  right: 10px;
  background: red;
  color: white;
  border: none;
  padding: 7px 14px;
  border-radius: 20px;
  cursor: pointer;
  font-weight: 700;
}

@media screen and (max-width: 768px) {
  .app {
    background: url(./images/bg-mb.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;
    padding-bottom: 3%;
  }

  .title {
    width: 100%;
  }

  .btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
    width: 90%;
  }

  .top {
    flex-direction: column;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 90%;
    gap: 20px;
  }

  .bot {
    flex-direction: column;
    width: 90%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
  }
}