@media (prefers-reduced-motion: no-preference) {
    * {
      scroll-behavior: smooth;
    }
  }

* {
    box-sizing: border-box;
}

body {
    font-family: sans-serif;
    margin: 0;
}

main {
    margin: 150px auto 0 auto;
    max-width: 1500px;
}

/*NAVIGATION MENU*/

header {
  display: flex;
  align-items: center;
  position: fixed;
  margin: 0 auto;
  top: 0;
  background-color: aquamarine;
  width: 100%;
}
  

.title-with-logo {
    display: flex;
    justify-content: flex-start ;
    align-items: center;
    width: 50%;
}

#header-img {
    width: 200px;
    margin: 0;
    padding: 0;
}

header h1 {
    position: relative;
    left: -100px;
}

nav {
    width: 45%;
}
  
nav ul {
    display: flex;
    list-style-type: none;
    justify-content: space-around;
}

nav a {
    color: inherit;
    text-decoration: none;
}


/*EMAIL AND TITLE*/

#submit, #email {
    display: block;
    margin: 15px auto;
}

#features h2 {
    font-size: 1.7rem;
    text-align: center;
}

#email {
    width: 350px;
    height: 35px;
}

input::placeholder {
    font-size: 1rem;
}

#submit {
    border-radius: 0;
    border-style: none;
    padding: 5px 10px;
    background-color: yellow;
    font-size: 1.5rem;
    font-weight: bold;
}

#submit:hover {
    cursor: pointer;
}

#submit:active {
    background-color: orange;
}

/*FEATURES*/

.duck-features {
    margin: 0 auto;
    max-width: 1140px;
}

.duck-features img {
    width: 300px;
    margin-right: -70px;
    margin-left: -50px;
}

.duck-features p {
    line-height: 1.5rem;
}

.f1, .f2, .f3 {
    padding-right: 50px;
}

.feature1, .feature2, .feature3 {
    display: flex;
    align-items: center; 
    justify-content: center;
}

/*EMBEDED YOUTUBE VIDEO*/

iframe {
    display: block;
    margin: 50px auto;
    width: 560px;
    height: 315px;
}

/*PRICING ELEMENTS*/

.hidden {
    display: none
}

.container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin: 50px 0;
}

.container > * {
    width: 350px;
    height: auto;
    padding: 0;
    text-align: center;
    border: solid 1px black;
    margin: 10px;
}

.container h3 {
    width: 100%;
    background-color: #d6cfd6;
    margin: 0;
    padding: 15px 0;
    font-size: 1.5rem;
}

.container h4 {
    font-size: 2rem;
    margin: 20px;
    padding: 0;
}

#button {
    border-radius: 0;
    border-style: none;
    padding: 10px 10px;
    background-color: yellow;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 20px 0 20px;
}

#button:hover {
    cursor: pointer;
}

#button:active {
    background-color: orange;
}

/*FOOTER*/

footer {
    width: 100%;
    background-color: #d6cfd6;
    max-width: 1100px;
    margin: 30px auto 0 auto;
    padding: 5px 10px;
    text-align: end;
}

footer p:last-child  {
    font-size: 0.9rem;
}

/*MEDIA SCREEN FOR MOBILE AND TABLET*/

@media screen and (max-width: 650px) {
    
    /*NAVIGATION MENU*/

    main {
        margin-top: 200px;
    }
    
    header {
        display: flex;
        flex-flow: column;
        width: 100vw;
    }

    .title-with-logo {
        justify-content: center;
        width: 100%;
    }

    nav {
        width: 100%;
        position: relative;
        left: -20px;
    }

    nav ul {
        display: flex;
        justify-content: space-around !important;
    }

    /*EMAIL AND TITLE*/

    #features h2 {
        width: 85%;
        margin: 30px auto;
        font-size: 1.5rem;
    }

    #email {
        width: 250px;
        height: 30px;
    }

    input::placeholder {
        font-size: 0.8rem;
    }

    #submit {
        font-size: 1.25rem;
    }

    #submit, #email {
        display: block;
        margin: 20px auto;
    }

    /*EMBEDED YOUTUBE VIDEO*/

    iframe {
        width: 448px;
        height : 252px;
    }
}

/*MEDIA QUERIES FOR MOBILE*/

@media screen and (max-width: 408px) {
    /*TITLE NAVIGATION MENU*/
    
    .title-with-logo {
        justify-content: center;
        width: 70%;
    }

     /*EMBEDED YOUTUBE VIDEO*/

     iframe {
        width: 250px;
        height: 150px;
    }

}

@media screen and (max-width: 542px) {
    /*FEATURE ELEMENTS*/
    
    .duck-features img {
        display: none;
    }
 
    .f1, .f2, .f3 {
        text-align: center;
        padding: 0;
        margin: 10px 30px;
    }

    .duck-features {
        margin: 0 10px;
    }

   /*PRICING ELEMENTS*/

    .container > * {
        width: 300px;
    }
    
    .container h3 {
        font-size: 1.1rem;
    }

    .container h4 {
        font-size: 1.7rem;
    }

    .container p {
        font-size: 0.9rem;
    }

    #button {
        font-size: 1.3rem;
    }
}

 /*EMBEDED YOUTUBE VIDEO*/

@media screen and (max-width: 520px) {
    iframe {
        width: 338px;
        height: 190px;
        }
}

/*MAKES THE WRAPPED PRICING BOXES ALIGN FROM LEFT INSTEAD FROM CENTER BY ADDING AN EXTRA HIDDEN DIV ELEMET*/

/*@media screen and (max-width: 1142px) {
    .hidden {
        visibility: hidden;
        display: block;
    }
}*/