@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap");
* {
  font-family: "Poppins", sans-serif;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
.hero {
  height: 100vh;
  padding: 0 70px;
  display: flex;
  align-items: center;
}

.left-col {
  flex-basis: 50%;
  text-align: center;
}

.product-img {
  background: #f1f4f9;
  width: 450px;
  height: 450px;
  margin: 0 auto;
  position: relative;
}

.headphone {
  width: 400px;
  margin-top: 20px;
  animation: headphone 2s linear infinite;
}
.right-col {
  flex-basis: 50%;
  padding: 0 30px;
  font-family: sans-serif;
}

.right-col h1 {
  font-size: 42px;
  font-weight: 900;
  margin-bottom: 30px;
}
.right-col h3 {
  color: #365895;
  margin: 30px 0;
}

.right-col a {
  width: 100px;
  padding: 10px 15px;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  background: #365895;
}

.right-col span {
  color: #365895;
}

.right-col a span {
  display: inline-block;
  margin-right: 7px;
  color: #fff;
  animation: arrow 1.5s linear infinite;
}

@keyframes arrow {
  0% {
    transform: translateX(-5px);
  }
  50% {
    transform: translateX(5px);
  }
  100% {
    transform: translateX(-5px);
  }
}
@keyframes headphone {
  0% {
    transform: translateY(-8px);
  }
  50% {
    transform: translateY(8px);
  }
  100% {
    transform: translateY(-8px);
  }
}

.offer {
  width: 100px;
  height: 100px;
  background: #365895;
  border-radius: 50%;
  position: absolute;
  top: 0;
  left: 0;
  transform: translate(-50%, -50%);
  animation: offer 2s linear infinite;
  box-shadow: 0 0 0 20px rgba(0 36 95 /0.2), 0 0 0 40px rgba(0 36 95 /0.2),
    0 0 0 60px rgba(0 36 95 /0.2);
    
}
@keyframes offer {
  0%{
    box-shadow: 0 0 0 00px rgba(0 36 95 /0.2), 0 0 0 20px rgba(0 36 95 /0.2),
    0 0 0 40px rgba(0 36 95 /0.2);
  }
  100%{
    box-shadow: 0 0 0 20px rgba(0 36 95 /0.2), 0 0 0 40px rgba(0 36 95 /0.2),
    0 0 0 60px rgba(0 36 95 /0);
  }
  
}
.offer .offer-text {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.offer-text span {
  display: inline-block;
  color: #fff;
  text-transform: uppercase;
  font-weight: 800;
}

.offer-text span:nth-child(1) {
  font-size: 2rem;
  margin-bottom: -10px;
}
.offer-text span:nth-child(2) {
  width: 100%;
  letter-spacing: 3px;
  font-size: 2rem;
  text-transform: capitalize;
  font-style: italic;
}