* {
    box-sizing: border-box;
    padding: 0px;
    margin: 0px;
}
*{
    box-sizing: border-box;
}

body{
    background-color: hsl(218, 28%, 13%);
    color: white;
    font-family: 'Open Sans', sans-serif;
    font-weight: 300;

}
.header{ /*contenidor1 abuelo*/
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    padding-right: 1rem;
    padding-left: 1rem;
}

.navigation-bar__items{ /*contenidor2 padre - hijos contenedor1*/
    display: flex;
    flex-direction: row;
    justify-content: center;
    flex-grow: 3;
    align-items: center;
    list-style: none;
}

.navigation-bar a{ /*hijos contenidor2 */
    text-decoration: none;
    display: inline-block;
    padding: 0.5em;
    color: white;
}

/*SECTION 1*/

.section1-introduction{
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.section1-introduction-img{
    width: 95%;
    height: auto;
    max-width: 500px;
}
.section1-introduction-title{
    font-family: 'Raleway', sans-serif;
    font-weight: 700;
    margin-right: 20px;
    margin-left: 20px;
    margin-top: 1rem;
    letter-spacing: 2px;
    line-height: 30px;
    font-size: 20px;
    max-width: 310px;
    
}
.section1-introduction-text{
    font-weight: 300;
    margin-top: 0%;
    max-width: 300px;
    font-size: 14px;
    line-height: 20px;
    letter-spacing: 0.5px;
}



button{
    background: linear-gradient(to right, rgba(127,215,209,1) 0%, rgba(95,162,191,1) 100%);
      
    font-family: 'Raleway', sans-serif;
    font-weight: 700; 
    font-size: 16px;
    border: none;
    color: white;
    padding: 15px 70px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    margin: 20px 10px;
    cursor: pointer;
    border-radius: 30px;
    letter-spacing: 0.5px;
}

/*SECTION 2*/

.features-container{
    margin-top: 5rem;
    display: grid;
    grid-template-columns: 1fr ;
    grid-template-rows: 1fr 1fr 1fr 1fr;
    justify-items: center;
    align-items: center;
    text-align: center;
    row-gap: 5rem
    ;
}

.features-item{
    justify-self: center;
    align-self: center;
}

.features-item img{
    margin-bottom: 1.5rem;
    
}
.features-item h2{
    font-family: 'Raleway', sans-serif;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.features-item p{
    font-size: 12px;
    font-weight: lighter;
    letter-spacing: 0.5px;
    max-width: 255px;
    line-height: 20px;
}

/*SECTION 3*/

.section3-stay-productive{
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-bottom: 2rem;
    
}

.section3-stay-productive-img{
    width: 100%;
    height: auto;
    max-width: 300px;
    margin-bottom: 3rem;
    margin-top: 7rem;
}
.section3-stay-productive-title{
    font-family: 'Raleway', sans-serif;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-align: center;
    margin-bottom: 2rem;
    
}
.section3-stay-productive-text{
    font-weight: 300;
    margin-top: 0%;
    max-width: 310px;
    font-size: 12px;
    line-height: 20px;
    letter-spacing: 0.5px;
}

.section3-stay-productive-link{
    align-self: flex-start;
    margin-left: 25px;
    color: hsl(176, 68%, 64%);
    text-decoration: none;
    text-decoration-color: hsl(176, 68%, 64%);
    font-weight: bold;
    margin-top: 2rem;
}

.section3-stay-productive-link:after{
    content: '';
    width: 175px;
    height: 2px;
    display: block;
    background:hsl(176, 68%, 64%);
    margin-top: 5px;
}

/* .section3-stay-productive-arrow{
    display: block;
} */

/*SECTION 4*/

.section4-card{
    margin-top: 7rem;
    background:hsl(219, 30%, 18%);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}

.section4-card-1, .section4-card-2, .section4-card-3{
    margin-top: 10px;
}
/* CARTAS */

.comment_users {
    background: url(../images/bg-quotes.png) no-repeat;
    background-position: 2rem top;
    padding: 2rem;
    margin-bottom: 3rem;
    margin-top: 6rem;
  }
  .comment_users .cards{
    background-color: #202a3c;
    max-width: 440px;
    padding: 2rem;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
    margin-top:1.4rem;
    -webkit-box-shadow: 0 7px 10px -5px #000;
    box-shadow: 0 7px 10px -5px #000;
  }
  .comment_users .cards .comments {
    margin-bottom: 2rem;
  }
  .comment_users .cards .user {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
  
  .comment_users .cards .user-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    margin-right: 1rem;
  }
  
  .comment_users .cards .user-name {
    font-size: 0.9rem;
    font-weight: 700;
  }
  
  .comment_users .cards .user .position {
    font-size: 0.8rem;
  }
  
  .contact_user {
    background-image: linear-gradient(0deg, #0b1523 50%, #181f2a 50%);
    padding: 2rem;
  }
  
  .contact_user .cards {
    background-color: #202a3c;
    max-width: 1000px;
    margin: auto;
    padding: 3rem;
    text-align: center;
    border-radius: 0.5rem;
    -webkit-box-shadow: 0 7px 10px -5px #000;
            box-shadow: 0 7px 10px -5px #000;
  }
  
  .contact_user .cards p {
    max-width: 800px;
    margin: 0 auto 2rem;
  }
  
  .contact_user .cards .form {
    max-width: 100%;
  }
  .cards{
      font-size: 12px;
  }

  .contact_user .cards .form .form-group {
    width: 100%;
    margin-right: 1rem;
    position: relative;
  }
  
  .contact_user .cards .form .form-group .email {
    display: block;
    width: 100%;
    padding: 0.85rem 2rem;
    border-radius: 2rem;
    outline: none;
    border: none;
    margin-bottom: 0.25rem;
  }
  .contact_user .cards .form .form-group .error-message {
    display: none;
    color: #ff4242;
    font-size: 0.8rem;
    margin-bottom: 0;
    -webkit-animation: show 0.5s ease-out both;
            animation: show 0.5s ease-out both;
  }
  .contact_user .cards .form .btn-primary {
    max-width: 100%;
    padding: 1rem 1.5rem;
    width: 100%;
    margin-top: 1rem;
    font-size: 14px;
    margin-left: -0.1rem;
  }
  .contact_user .cards .heading-2{
    font-size: 16px;
    margin-bottom: 2rem;
  }
/* Conteneder FOOTER */
.footer {
    background-color: #0b1523;
    padding: 2rem;
  }
  
  .footer .logo-container {
    margin-bottom: 2rem;
  }
  
  .footer .logo-container .logo {
    width: 210px;
  }
  .width-wrapper {
    max-width: 1400px;
    margin: auto;
  }
  .header .logo-container .logo {
    width: 100px;
  }
  .footer .flex .location {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: start;
    align-items: flex-start;
    margin-bottom: 2rem;
    max-width: 400px;
  }
  
  .footer .flex .location .icon-container {
    width: 45px;
    margin-right: 2rem;
    margin-top: 0.25rem;
  }
  
  .footer .flex .location .icon-container .location-icon {
    width: 18px;
  }
  
  .footer .flex .contact {
    padding-bottom: 2rem;
  }
  
  .footer .flex .contact .phone,
  .footer .flex .contact .email {
    display: -ms-flexbox;
    display: flex;
    margin-bottom: 2rem;
  }
  
  .footer .flex .contact .phone .icon-container,
  .footer .flex .contact .email .icon-container {
    width: 45px;
  }
  
  .footer .flex .contact .phone a,
  .footer .flex .contact .email a {
    text-decoration: none;
    color: #fff;
  }
  
  .footer .flex .location_links {
    margin-bottom: 2rem;
  }
  .footer .flex .location_links .list {
    margin-bottom: 2rem;
  }
  
  .footer .flex .location_links .list .link {
    list-style: none;
    margin-bottom: 1rem;
  }
  
  .footer .flex .location_links .list .link a {
    text-decoration: none;
    color: #fff;
  }
  
  .footer .flex .site-links .list .link a:hover {
    font-weight: 700;
  }
  
 
  .footer .flex .social-icons {
    text-align: center;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-pack: justify;
    justify-content: space-between;
    width: 150px;
    margin: auto;
    margin-bottom: 2rem;
  }
  .footer .flex .social-icons a {
    color: #fff;
    width: 36px;
    border: 1px solid #fff;
    border-radius: 50%;
    display: block;
    padding: 6px 8.5px;
    -webkit-transition: all 0.5s ease-out;
    transition: all 0.5s ease-out;
  }
  
  .footer .flex .social-icons a:hover {
    color: #65e2d9;
    border: 1px solid #65e2d9;
  }
  .footer .attribution {
    font-size: 11px;
    text-align: center;
  }  

  /* Para pc */
  @media screen and (min-width: 768px) {
    .header{ /*contenidor1 abuelo*/
        padding-top: 2rem;
        padding-right: 2rem;
        padding-left: 2rem;
        font-size: 1rem;
    }
    .header .logo{
        width: 12rem;
    }
    .header .navigation-bar__items .navigation-bar__item .link_header{
      margin-left: 3rem;
    }
    
.section1-introduction-img{
    width: 100%;
    height: auto;
    max-width: 700px;
}
.section1-introduction .section1-introduction-title{
    font-size: 1.7rem;
    max-width: 600px;
    line-height: 2.5rem;
    padding-bottom: 2rem;
}
.section1-introduction .section1-introduction-text{
    font-size: 1rem;
    max-width: 500px;
    padding-bottom: 1rem;
}
.section2-features{
    display: grid;
    justify-content: center;
}
.section2-features .features-container{
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    row-gap: 3rem;
    column-gap: 3rem;    
}

.section3-stay-productive{

    display: grid;
    grid-column:(1fr); 
    grid-template-columns: repeat(2, 1fr);
            align-items: center;
            column-gap: 80px;
}
.section3-stay-productive .section3-stay-productive-img{
    width: 100%;
    margin-bottom: 5rem;
    max-width: 700px;
    margin-left: 6rem;
}
.section3-stay-productive .section3-stay-productive-title{
 font-size: 2rem;    
 text-align: start;
}
.section3-stay-productive .section3-stay-productive-text{
    font-size: 1rem; 
    text-align: left;
    min-width: 600px;
    margin-bottom: 1rem;
}

.section3-stay-productive .section3-stay-productive-link{

   margin: 0;
    
}
.section3-stay-productive .section3-stay-productive-link:after{
    margin: 0;
 }
/* sección de comentarios */
.comment_users {
    display: grid;
    grid-template-rows: 1fr;
    row-gap: 3rem;
    column-gap: 2rem;  
    align-items: center;  
    grid-auto-flow: column; 
    justify-content: center; 
    background-position: left 5rem top;
        
}
.contact_user .cards .form{
 display: grid;
 grid-template-rows: 1fr;
 grid-template-columns: 75% 25%;
 align-items: center;  
 grid-auto-flow: column;  
 column-gap: 2rem;
 margin-left: 2rem;
 margin-right: 2rem;
}
.contact_user .cards .heading{
font-size: 2rem;
}
.contact_user .cards .text-heading-2{
    font-size: 1rem;
    }

/* footer */
.footer .flex{
    display: grid;
 grid-template-rows: 1fr ;
 grid-template-columns:3fr 1fr 2fr 0.5fr ;
 align-items: stretch;  
 grid-auto-flow: column;
 gap: 2rem; 
 background-position: bottom;
}

.footer .flex .location_links{

    display: grid;
    grid-template-columns: 1fr 1fr;
    text-align: start; 
}
.footer .flex .social-icons{
  position: relative;
   margin-bottom:500px;
   margin-left: 100px;
}
}