* {
  box-sizing: border-box;
}

:root {
  --primary-color: #2c3e50;
  --accent-color: #3498db;
}

html {
  font-size: 62.5%;
  height: 100%;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: "Montserrat", sans-serif;
  font-size: 1.6rem;
  color: var(--primary-color);
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.container {
  padding: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.logo-placeholder {
  width: 80px;
  height: 80px;
  background-color: var(--accent-color);
  border-radius: 50%;
  margin: 0 auto 3rem;
  opacity: 0.9;
}

h1 {
  font-size: 4.2rem;
  margin: 2rem 0;
  letter-spacing: 0.2rem;
  color: var(--primary-color);
  text-transform: uppercase;
}

.subtitle {
  font-size: 1.8rem;
  margin: 1rem 0 3rem;
  line-height: 1.6;
  color: #34495e;
}

.status {
  font-size: 1.6rem;
  padding: 1rem 2rem;
  background-color: rgba(255, 255, 255, 0.3);
  border-radius: 30px;
  display: inline-block;
  margin-bottom: 2rem;
}

.progress-bar {
  width: 200px;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 2px;
  margin: 2rem auto;
  overflow: hidden;
}

.progress-bar::after {
  content: "";
  display: block;
  width: 40%;
  height: 100%;
  background-color: var(--accent-color);
  animation: progress 1.5s ease-in-out infinite;
}

@keyframes progress {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(250%);
  }
}
@media (max-width: 768px) {
  h1 {
    font-size: 3.2rem;
  }

  .subtitle {
    font-size: 1.6rem;
  }
}
.countdown {
  font-size: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.countdown div {
  padding: 20px;
  border: 1px #fff solid;
  border-radius: 10px;
  background: #000;
  opacity: 0.7;
  margin: 5px;
}

.countdown div:first-child {
  background: #17a2b8;
}

.countdown span {
  display: block;
  font-size: 25px;
}

@media (max-width: 650px) {
  .countdown {
    font-size: 30px;
    flex-direction: column;
  }

  .countdown div {
    display: none;
  }

  .countdown div:first-child {
    display: block;
    width: 80%;
    padding: 10px;
  }
}