* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Poppins", sans-serif;
  background: #000;
  color: #fff;

  height: 100vh;

  display: flex;
  justify-content: center;
  align-items: center;

  overflow: hidden;
  position: relative;
}

/* Animated Background */

body::before {
  content: "";

  position: absolute;
  inset: 0;

  background: linear-gradient(-45deg, #111, #1f1f1f, #000, #151515);

  background-size: 400% 400%;

  animation: bgMove 12s ease infinite;

  z-index: -3;
}

@keyframes bgMove {
  0% {
    background-position: 0 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0 50%;
  }
}

/* Floating Circles */

.bg-circle {
  position: absolute;

  border-radius: 50%;

  filter: blur(100px);

  animation: float 8s ease-in-out infinite;

  z-index: -2;
}

.circle1 {
  width: 280px;
  height: 280px;

  background: #0071e3;

  top: -80px;
  left: -60px;
}

.circle2 {
  width: 220px;
  height: 220px;

  background: #5e5ce6;

  bottom: -60px;
  right: -40px;
}

.circle3 {
  width: 170px;
  height: 170px;

  background: #00c7ff;

  top: 40%;
  right: 15%;
}

@keyframes float {
  50% {
    transform: translateY(-25px);
  }
}

/* Card */

.container {
  width: 90%;
  max-width: 780px;

  padding: 70px 50px;

  text-align: center;

  border-radius: 30px;

  background: rgba(255, 255, 255, 0.06);

  backdrop-filter: blur(20px);

  border: 1px solid rgba(255, 255, 255, 0.15);

  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

.tag {
  display: inline-block;

  padding: 8px 18px;

  background: #0071e3;

  border-radius: 30px;

  font-size: 14px;

  margin-bottom: 25px;
}

h1 {
  font-size: 60px;

  margin-bottom: 15px;

  font-weight: 700;
}

h2 {
  font-size: 30px;

  font-weight: 500;

  color: #ccc;

  margin-bottom: 20px;
}

p {
  color: #bbb;

  line-height: 1.8;

  font-size: 17px;

  max-width: 650px;

  margin: auto;
}

/* Countdown */

.countdown {
  display: flex;

  justify-content: center;

  gap: 18px;

  margin: 50px 0;

  flex-wrap: wrap;
}

.box {
  width: 120px;

  padding: 20px;

  border-radius: 20px;

  background: rgba(255, 255, 255, 0.08);

  transition: 0.4s;
}

.box:hover {
  transform: translateY(-8px);

  background: #0071e3;
}

.box span {
  display: block;

  font-size: 42px;

  font-weight: 700;
}

.box small {
  color: #ddd;
}

/* Form */

.subscribe {
  display: flex;

  margin: 30px auto;

  max-width: 520px;

  overflow: hidden;

  border-radius: 50px;
}

.subscribe input {
  flex: 1;

  padding: 18px 22px;

  border: none;

  outline: none;

  font-size: 16px;
}

.subscribe button {
  border: none;

  background: #0071e3;

  color: #fff;

  padding: 0 35px;

  cursor: pointer;

  font-size: 16px;

  transition: 0.3s;
}

.subscribe button:hover {
  background: #0059c9;
}

/* Social */

.social {
  margin-top: 35px;
}

.social a {
  width: 50px;

  height: 50px;

  display: inline-flex;

  justify-content: center;

  align-items: center;

  margin: 0 8px;

  color: #fff;

  border-radius: 50%;

  background: rgba(255, 255, 255, 0.08);

  text-decoration: none;

  transition: 0.4s;
}

.social a:hover {
  transform: translateY(-6px);

  background: #0071e3;
}

/* Responsive */

@media (max-width: 768px) {
  .container {
    padding: 45px 25px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 22px;
  }

  .box {
    width: 90px;
  }

  .box span {
    font-size: 32px;
  }

  .subscribe {
    flex-direction: column;

    border-radius: 18px;
  }

  .subscribe input {
    border-radius: 18px 18px 0 0;
  }

  .subscribe button {
    padding: 18px;
  }
}
