style.css

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

body {
    background-color: hsl(218, 28%, 13%);
    font-family: 'Raleway', sans-serif;
    font-size: 14px;
    position:relative;
}

.main {
    height: 100vh;
    position:relative;
    background-color:  hsl(217, 28%, 15%);
    
}

img.bg {
    width: 100%;
    height: 80%;
    position: absolute;
    bottom: 0;
}

.navigation {
    max-width: 1840px;
    list-style: none;
    width: 90%;
    margin: 0 auto;
    display: flex;
    padding-top: 10vh;
    justify-content: space-between;
    align-items: center;
}


.header-list {
    display: flex;
    list-style: none;
    font-family: 'Raleway', sans-serif;
}

.header-list li {
    padding: 10px 15px;
}

.header-list a {
    color: hsl(0, 0%, 100%);
    text-decoration: none;
}

img.intro {
    position: absolute;
    top: 47%;
    left: 50%;
    transform: translate(-50%,-50%);
    height: 35vh;
}

.introduction-text {
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 25%;
    text-align: center;
    transform: translate(-50%, -25%);
    color: hsl(0, 0%, 100%);
    font-family: 'Open Sans', sans-serif;
}

.introduction-text h1 {
    line-height: 40px;
}

.introduction-text p {
    margin-top: 20px;
    line-height: 20px;
    padding: 0 10px;
}

.introduction-text button {
    border: none;
    margin: 30px 0 0;
    width: 250px;
    height:  50px;
    border-radius: 50px;
    background: linear-gradient( 90deg, hsl(176, 68%, 64%), hsl(198, 60%, 50%));
    color:hsl(0, 0%, 100%);
    font-size: 19px;
    font-weight: 700;
    transition: 0.2s;
}

.introduction-text button:hover {
    cursor: pointer;
    background: linear-gradient( 90deg, hsl(176, 57%, 73%), hsl(198, 45%, 60%));
}

/* ifno */

.info {
    height: 70vh;
    margin: 15vh 0;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    color:hsl(0, 0%, 100%);
    font-family: 'Open Sans', sans-serif;
}

.info-element {
    flex-basis: 25%;
    margin: 0 12.5%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    text-align: center;
}

.info-element img {
    padding: 0% 25%;
    margin-bottom: 8%;
}

.info-element h2 {
    font-size: 17px;
}

.info-element p {
    padding: 4% 10%;
    line-height: 20px;
    
}

/* Productivity */
/* Productivity */
/* Productivity */

.productivity {
    height: 50vh;
    display: flex;
    justify-content: center;
}

.productivity-text {
    color:hsl(0, 0%, 100%);
    padding: 5% 8%; 
    margin-left: 10%;
    width: 45%;
}

 img.p-img {
    height: 90%;
}

.productivity-text h2 {
    width: 50%;
    font-size: 30px;
    line-height: 50px;
    margin-bottom: 20px;
}

.productivity-text p {
    font-size: 14px;
    line-height: 20px;
    margin-bottom: 25px;
}

.productivity a {
    color: hsl(176, 68%, 64%);
    font-weight: 400;
    text-decoration: none;
    padding: 4px 0;
    border-bottom: 2px solid hsl(176, 68%, 64%);
}

.productivity a img {
    height: 20px;
}

.opinions {
    display: flex;
    margin: 100px auto;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 1000px;
    margin-bottom: 300px;

}

.opinion + .opinion {
    margin-left: 40px;
}

.opinion {
    border-radius: 10px;
    background-color:hsl(219, 30%, 18%);
    color:hsl(0, 0%, 100%);
    padding: 3% 2.5%;
    font-size: 12px;
    font-family: 'Open Sans';
}

.user {
    display: flex;
    margin-top: 25px;
    flex-wrap: wrap;
}

.user img {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    margin-right: 5%;
}

.user h6 {
    font-size: 12px;
    display: inline-block;
    width: 40%;
    
}
.user p {
    margin-top: -10px;
    padding-left: calc(25px + 5%);
}

/* FOOTER */
/* FOOTER */
/* FOOTER */

footer {
    height: 57.5vh;
    background-color:hsl(216, 53%, 9%);
    position: relative;
    text-align: center;
    font-family: "Open Sans";
    
}

.footer-logo-img {
    position: absolute;
    top: 5%;
    left: 6%;
}

.footer-info {
    height: 60%;
    width: 100%;
    position: absolute;
    bottom: 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    flex-direction: row;

}

.location {
    position: relative;
    text-align: left;
    color: hsl(0, 0%, 100%);
    width: 30%;
    padding: 10px 6%;
    height: 150px;
}

.location i {
    font-size: 18px;
    position: absolute;
    top: 10px;
    left: 20%;
}

.location p {
    font-family: 'Open Sans';
    font-size: 14px;
    padding-left: 30px;
    margin-top: 0px;
    line-height: 20px;
}

.footer-contact {
    width: 20%;
    height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding-left: 5%;
}

.footer-contact span {
    padding: 10px 0;
    color:hsl(0, 0%, 100%);
    font-size: 14px;

}

.footer-contact i {
    padding: 0 10px;
    font-size: 20px;

}

.footer-list {
    width: 25%;
    height: 150px;
}

 .list {
    list-style: none;
    color:hsl(0, 0%, 100%);
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    height: 100%;
    width: 80%;
    padding:  0 25%; 
    text-align: left;
}

.list li {
    padding:0 30px;
    padding-bottom: 15px;
    cursor: pointer;
}

.footer-icons {
    width: 25%;
    height: 150px;
    color:hsl(0, 0%, 100%);
    padding-top: 10px;
}

.footer-icons i {
    padding: 0 8px;
    font-size: 22px;
}



/* access card */
/* access card */
/* access card */

.attribution {
    position: absolute;
    font-size: 11px;
    text-align: center;
    color:hsl(0, 0%, 100%);
    bottom: 5%;
    left: 50%;
    transform: translateX(-50%);

  }

.attribution a {
    color:hsl(0, 0%, 100%);

}


.access {
    width: 45%;
    height: 55%;
    position: absolute;
    top: -30%;
    border-radius: 10px;
    background-color: hsl(217, 28%, 15%);;
    font-family: 'Open Sans';
    left: 50%;
    transform: translateX(-50%);
}

.access h1{
    color:hsl(0, 0%, 100%);
    padding: 60px 0 10px;
    font-size: 30px;
}

.access p {
    color:hsl(0, 0%, 100%);
    padding: 20px 14% 10px;
}

.access input {
    width: 55%;
    height:  50px;
    border-radius: 50px;
    margin-right: 25px;
    padding-left: 30px;
    border: none;
}

.access button {
    border: none;
    margin: 30px 0 0;
    width: 35%;
    height:  50px;
    border-radius: 50px;
    background: linear-gradient( 90deg, hsl(176, 68%, 64%), hsl(198, 60%, 50%));
    color:hsl(0, 0%, 100%);
    font-size: 19px;
    font-weight: 700;
    transition: 0.2s;
    font-family: 'Raleway';
    padding: 0 10px;
    cursor: pointer;
}


  @media (max-width: 475px) {


    .main{
    background-image: url('./images/bg-curvy-desktop.svg');
    background-size: cover;
    background-position:55% ;
    }

    img.bg {
        display: none;
    }
    
    .navigation {
        padding-top: 2vh;
        justify-content: space-around;
    }
    
    .navigation img {
        width: 23%;
        height: 10%;
        margin-right: 7%;
    }

    .header-list li {
        padding: 10px;
    }
    img.intro {
        top: 45%;
        transform: translate(-50%,-50%);
        height: 30vh;
    }
    
    .introduction-text {
        text-align: center;
        left: 50%;
        bottom: -10%;
        width: 85%;
        transform: translate(-50%, -20);
    }

    .introduction-text p {
        margin-top: 5px;
        line-height: 20px;
        padding: 0 10px;
        
    }

    .introduction-text button {
        margin-top: 15px;
    }

    /* INFO */
    /* INFO */
    /* INFO */
    
    .info {
        height: 260vh;
    }

    .info-element {
        flex-basis: 90%;
        margin: 25% 12.5%;
    }
    
    .info-element img {
        padding: 5% 25%;
    }
    
    .info-element h2 {
        font-size: 17px;
    }
    
    .info-element p {
        padding: 4% 1%;
        line-height: 20px;
        
    }


    /* Productivity */
    /* Productivity */
    /* Productivity */

    .productivity {
        height: 100vh;
        flex-wrap: wrap;
    }
    
    .productivity-text {
        color:hsl(0, 0%, 100%);
        padding: 0; 
        margin: 0;
        width: 85%;
    }
    
    img.p-img {
        height: 35%;
        width: 80%;
    }

    .productivity-text h2 {
        width: 90%;
        font-size: 15px;
        line-height: 50px;
        text-align: center;
    }
    
    .productivity-text p {
        font-size: 14px;
        line-height: 20px;
        margin-bottom: 15px;
    }
    
    /* OPINIONS */
    /* OPINIONS */
    /* OPINIONS */


    .opinions {
    flex-wrap: wrap;
    }

    .opinion + .opinion {
        margin-left: 0;
    }

    .opinion {
        width: 80%;
        margin-bottom: 40px;
    }

/* footer files */
/* footer files */
/* footer files */

    

   

  /* Footer */

    footer {
        height: 130vh;
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: center;
        flex-wrap: wrap;
    }

    .footer-info{
        flex-wrap: wrap;
    }

    .footer-logo-img {
        top: -15%;
        left: 10%;
    }

    .location {
        width: 80%;
        padding: 0 0;
        margin:20px auto 10px;
        height: 50px;
    }

    .location p {
        padding-left: 5%;
        margin-top: 0px;
    }

    .location i {
        top: 2%;
        left: -4%;
    }

    .footer-contact {
        width: 95%;
        height: 30px;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        margin:10px auto 30px;
    }


    .footer-list {
        width: 95%;
        height: 40vh;
        margin: 50px auto 0;
    }

    .list {
        height: 100%;
        width: 100%;
        padding: 0 5% 3% 0; 
    }

    .footer-icons {
        position: absolute;
        width: 90%;
        height: 50px;
        color:hsl(0, 0%, 100%);
        padding-top: 10px;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        bottom: -5%;
    }

     /* ACCESS */
    /* ACCESS */
    /* ACCESS */
    /* ACCESS */


    .access {
        width: 90%;
        height: 55vh;
        top: -30%;
    }

    .access h1{
        font-size: 19px;
    }

    .access p {
        padding: 20px 5% 30px;
    }

    .access input {
        width: 90%;
        margin-right: 0;
    }

    .access button {
        width: 90%;
    }


    .attribution {
        bottom: 5px;
        width: 100%;
    }


}