<div class="container">
  <div class="card">
    <div class="card__master-card">
      <span class="card__master-card-circle"></span>
    </div>
    <div class="card__chip-wave">
	    <div class="card__chip">
	        <span class="card__chip-line card__chip-line-top card__chip-line-a"></span>
	        <span class="card__chip-line card__chip-line-top card__chip-line-b"></span>
	        <span class="card__chip-line card__chip-line-bottom card__chip-line-c"></span>
	        <span class="card__chip-line card__chip-line-bottom card__chip-line-d"></span>
	    </div>
	    <span class="card__sound-wave"></span>
    </div>
    <div class="card__infos">
      <figure class="card__figure">
        <img src="https://logodownload.org/wp-content/uploads/2019/08/nubank-logo-3.png" alt="" class="card__image">
      </figure>
      <h1 class="card__name">MIKÉIAS OLIVEIRA</h1>
    </div>
  </div>
</div>

:root {
  --nubankColorInitial: #A857D2;
  --nubankColorFinal: #7A0CA5;
  --masterRed: #E41B24;
  --masterYellow: #F89E1B;
}

html {
  box-sizing: border-box;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: inherit;
}

.container {
  max-width: 768px;
  padding-left: 1rem;
  padding-right: 1rem;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

body {
  height: 100vh;
  display: grid;
  justify-content: center;
  align-items: center;
}

.card {
  width: 400px;
  height: 250px;
  background-image:
    linear-gradient(135deg, var(--nubankColorInitial) 30%, var(--nubankColorFinal));
  border-radius: 1em;
  padding: 1.5em 1em 2.7em 2.7em;
  display: flex;
  flex-direction: column;
  justify-content: space-between;

  &__master-card {
    --circleSize: 2.75rem;
    display: flex;
    justify-content: flex-end;
    position: relative;
    
    &-circle,
    &::before,
    &::after {
      content: '';
      width: var(--circleSize);
      height: var(--circleSize);
      border-radius: 50%;
      position: absolute;
    }
    
    &::before {
      background-color: var(--masterRed);
      z-index: 1;
      right: calc(var(--circleSize) / 2 + .3em);
    }
    
    &-circle {
      opacity: 0.6;
			z-index: 1;
    }
    
    &-circle,
    &::after {
      background-color: var(--masterYellow);
    }
    
  }
  
  &__infos {
    display: flex;
    align-items: center;
  }
  
  &__figure {
    max-width: 62px;
  }
  
  &__image {
    width: 100%;
    display: block;
    filter: grayscale(100%) invert(1) brightness(2);
  }
  
  &__name {
    color: #fff;
    font-size: .9rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    letter-spacing: .04em;
    margin-left: 1em;
    margin-top: .4em;
  }

	/* Grigorios Miaritis */
  &__chip {
  	  background: -webkit-linear-gradient(#EDEDED 0%, #D1B4D7 100%);
  	  background: -o-linear-gradient(#EDEDED 0%, #D1B4D7 100%);
  	  background: linear-gradient(#EDEDED 0%, #D1B4D7 100%);
  	  border-radius: 4px;
  	  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.3);
  	  height: 1.875rem;
  	  overflow: hidden;
  	  position: relative;
  	  width: 2.625rem;
  
  	  &-line {
  		  border: solid #673e17;
  		  display: inline-block;
  		  position: absolute;
  		}
  
  		&-line-top {
  		  box-shadow: 1px 1px 0 0 rgba(0, 0, 0, 0.3), 2px 2px 0 0 rgba(255, 255, 255, 0.1);
  		  left: -2px;
  		  top: -2px;
  		}
  
  		&-line-bottom {
  		  bottom: -2px;
  		  box-shadow: inset 1px 1px 0 0 rgba(0, 0, 0, 0.3), inset 2px 2px 0 0 rgba(255, 255, 255, 0.1);
  		  right: -2px;
  		}
  
  		&-line-a {
  		  border-radius: 0 0 10px 0;
  		  border-width: 0 1px 1px 0;
  		  height: 90%;
  		  width: 30%;
  		}
  
  		&-line-b {
  		  border-radius: 0 0 14px 0;
  		  border-width: 0 1px 1px 0;
  		  height: 35%;
  		  width: 75%;
  		}
  
  		&-line-c {
  		  border-radius: 10px 0 0 0;
  		  border-width: 1px 0 0 1px;
  		  height: 80%;
  		  width: 30%;
  		}
  
  		&-line-d {
  		  border-radius: 14px 0 0 0;
  		  border-width: 1px 0 0 1px;
  		  height: 30%;
  		  width: 60%;
  		}
  	}
	/* =========== */

	&__chip-wave {
		display: flex;
		align-items: center;
		margin-top: 1.5em;
	}

	&__sound-wave {
  	background: url(https://i.imgur.com/CnGug8H.png) no-repeat center;
  	background-size: 16px;
  	height: 100%;
  	flex-basis: 36px;
  }
  
}