html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
  display: block;
}
body {
  line-height: 1;
}
ol, ul {
  list-style: none;
}
blockquote, q {
  quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
  content: '';
  content: none;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* ---------------------------------------------------------- Main css -------------------------------------------------------------*/
body{
    font-family: 'Roboto', sans-serif;
    min-height: 100vh;
}
/* ------------------------------------------------- for mobiles -------------------------------------------------------------------- */
@media(max-width: 900px){
    /* ---------------------------------- NAV BAR ---------------------------- */
    .nav-bar{
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    .nav1{
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .icon-about{
        display: flex;
        align-items: center;
        justify-content: center;
        margin-top: 0.5em;
        padding: 1em;
    }
    .nav1 a{
        margin-top: 0.5em;
        padding: 1em;
        border-bottom: 1px solid #adb5bd;
        color: #adb5bd;
        font-size: 1em;
        text-decoration: none;
        transform: translateY(103px);
    }
    .nav1 input{
        margin-top: 0.5em;
        border: none;
        border-bottom: 1px solid #adb5bd;
        padding: 0.8em 1em;
        font-size: 1em;
    }
    .nav1 input::placeholder{
        font-family: 'Roboto', sans-serif;
        color: #adb5bd;
        font-size: 1em;
    }
    input:focus, textarea:focus, select:focus{
        outline: none;
    }
    .nav-bar h3{
        margin-top: 0.5em;
        /* border-bottom: 1px solid #adb5bd; */
        padding: 0.8em 1em;
        font-size: 1em;
        font-weight: bold;
        transform: translateY(-103px);
    }
    .material-icons-outlined{
        color: #adb5bd;
        size: 2px;
        margin-right: 1em;
    
    }
    .icon-about a{
        text-decoration: none;
        color: #adb5bd;
        font-size: 1em;
        padding-left: 1em;
    }

    /* ------------------------- main book store ---------------------------- */
    main{
        margin-top: 1em;
        font-family: 'Noto Sans JP', sans-serif;
    }
    .books{
        display: flex;
        flex-direction: row;
        background-color: #cbb5e2;
        border-radius: 10px;
        margin-bottom: 3em;
        box-shadow: rgba(0, 0, 0, 0.25) 0px 25px 50px -12px;
    }
    .books:nth-of-type(2){
        background-color: #fbadaf;
    }
    .books:nth-of-type(3){
        background-color: #a4e0eb;
    }
    .books:nth-of-type(4){
        background-color: #fdca95;
    }
    .book-img{
        width: 100%;
        max-width: 1000px;
        margin: 1.5em;
        border-radius: 3px;
        transition: transform 1s;
        box-shadow: rgba(0, 0, 0, 0.19) 0px 10px 20px, rgba(0, 0, 0, 0.23) 0px 6px 6px;
    }
    .book-img:hover{
        transform: scale(1.05);
    }
    .descp{
        margin: 1.5em;
        padding: 1em;
        
    }
    .book-name{
        font-weight: bold;
        padding-bottom: 0.5em;
        font-size: 1.1em;
        letter-spacing: 1px;
        color: white;
    }
    .author{
        padding-bottom: 0.5em;
        font-size: 1.1em;
        letter-spacing: 1px;
        color: white;
    }
    .rating{
        padding-bottom: 1.2em;
        font-size: 1em;
        letter-spacing: 1px;
        color: white;
    }
    .info{
        font-size: 1em;
        letter-spacing: 1px;
        color: white;
    }
    .descp button{
        margin-top: 1em;
        background: none;
        border: none;
        color: #cbb5e2;
        background-color: white;
        padding: 0.6em 1.5em;
        font-size: 1em;
        border-radius: 20px;
        font-weight: bolder;
    }
    .descp button:hover{
        color: #a790f2;
    }
    #b1{
        color: #fbadaf;
    }
    #b1:hover{
        color: #ff6e9f;
    }
    #b2{
        color: #a4e0eb;
    }
    #b2:hover{
        color: #62cdec;
    }
    #b3{
        color: #fdca95;
    }
    #b3:hover{
        color: #fb9124;
    }

}






/*--------------------------------------------------------------- fOR PC AND LAPTOPS -------------------------------------------- */
@media(min-width: 900px){
    /* ----------------------------------------------------- Navbar ---------------------------------------------------------- */
    .nav-bar{
        display: flex;
        flex-direction: row;
        justify-content: space-between;
    }
    .nav1{
        display: flex;
        flex-direction: row;
        margin-left: 1em;
        margin-bottom: 1em;
        margin-top: 1em;
    }
    .nav1 a{
        padding: 1em;
        border: none;
        border-right: 1px solid #adb5bd;
        color: #adb5bd;
        font-size: 1em;
        text-decoration: none;
    }
    .nav1 input{
        border: none;
        margin-left: 0.5em;
        padding: 0.8em 1em;
        font-size: 1em;
    }
    .nav1 input::placeholder{
        font-family: 'Roboto', sans-serif;
        color: #adb5bd;
        font-size: 1em;
    }
    input:focus, textarea:focus, select:focus{
        outline: none;
    }
    .nav-bar h3{
        padding: 0.8em 1em;
        margin-left: 1em;
        margin-bottom: 1em;
        margin-top: 1em;
        font-size: 1em;
        font-weight: bold;
    }
    .icon-about{
        display: flex;
        align-items: center;
    }
    .material-icons-outlined{
        color: #adb5bd;
        size: 2px;
        margin-right: 1em;
    
    }
    .icon-about a{
        margin-right: 2em;
        text-decoration: none;
        color: #adb5bd;
        font-size: 1em;
        border-left: 1px solid #adb5bd;
        padding-left: 1em;
    }

    /* ------------------- MAIN BOOKS ---------------------------------- */
    main{
        margin-top: 1em;
        font-family: 'Noto Sans JP', sans-serif;
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-evenly;
        align-items: center;
    }
    .books{
        display: flex;
        flex-direction: row;
        width: 100%;
        max-width: 600px;
        justify-content: space-evenly;
        background-color: #cbb5e2;
        border-radius: 10px;
        margin-bottom: 3em;
        box-shadow: rgba(0, 0, 0, 0.25) 0px 25px 50px -12px;
    }
    .books:nth-of-type(2){
        background-color: #fbadaf;
    }
    .books:nth-of-type(3){
        background-color: #a4e0eb;
    }
    .books:nth-of-type(4){
        background-color: #fdca95;
    }
    .book-img{
        width: 100%;
        max-width: 500px;
        border-radius: 3px;
        transition: transform 1s;
        margin: 1.5em;
        box-shadow: rgba(0, 0, 0, 0.19) 0px 10px 20px, rgba(0, 0, 0, 0.23) 0px 6px 6px;
    }
    .book-img:hover{
        transform: scale(1.05);
    }
    .descp{
        margin: 1.5em;
        padding: 1em;
        
    }
    .book-name{
        font-weight: bold;
        padding-bottom: 0.5em;
        font-size: 1.1em;
        letter-spacing: 1px;
        color: white;
    }
    .author{
        padding-bottom: 0.5em;
        font-size: 1.1em;
        letter-spacing: 1px;
        color: white;
    }
    .rating{
        padding-bottom: 1.2em;
        font-size: 1em;
        letter-spacing: 1px;
        color: white;
    }
    .info{
        font-size: 1em;
        letter-spacing: 1px;
        color: white;
    }
    .descp button{
        margin-top: 1em;
        background: none;
        border: none;
        color: #cbb5e2;
        background-color: white;
        padding: 0.6em 1.5em;
        font-size: 1em;
        border-radius: 20px;
        font-weight: bolder;
    }
    .descp button:hover{
        color: #a790f2;
    }
    #b1{
        color: #fbadaf;
    }
    #b1:hover{
        color: #ff6e9f;
    }
    #b2{
        color: #a4e0eb;
    }
    #b2:hover{
        color: #62cdec;
    }
    #b3{
        color: #fdca95;
    }
    #b3:hover{
        color: #fb9124;
    }


    

}
body {
    font-family: 'Poppins', sans-serif;
}

button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: bold;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

button:hover {
    transform: scale(1.05);
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
}

#flipkart-button {
    background-color: #2874f0;
    color: white;
}

#amazon-button {
    background-color: #ff9900;
    color: white;
}

.button-logo {
    height: 20px; /* Standardized height */
    width: auto; /* Maintains aspect ratio */
    object-fit: contain; /* Ensures the logo fits inside */
}