/* RMIT University Vietnam
  Course: COSC2430 Web Programming
  Semester: 2023A
  Assessment: Assignment 1
  Author: Vu Thanh Tung
  ID: s3963172
  Acknowledgement:
*/

@import url('https://fonts.googleapis.com/css2?family=Poppins&display=swap');

:root {
    --font-family: 'Poppins', sans-serif;

    --header-bg-color-light: gray;
    --main-bg-color-light: #eee;
    --font-color-light: black;

    --breadcrumb-parent-color: black;
    --breadcrumb-child-color: gray;

    --book-border-color: #f3f3f3;
}

* {
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--main-bg-color-light);
}

/* || HEADER SECTION */
.header-section {
    display: flex;
    justify-content: center;
    width: 100%;
    padding: 0 20px;    
}

/* Header Logo */
.header-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 10px;
    left: 50px;
}

#logo {
    width: 75px;
    height: auto;
    transition: .5s;
}

#logo:hover {
    scale: 1.02;
    transition: .5s;
}

/* Default Horizontal Navigation Bar */
.navbar {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--main-bg-color-light);
    height: 100px;
}

.navbar ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.navbar li {
    font-size: 30px;
    font-family: var(--font-family);
    font-weight: 900;
    text-transform: capitalize;
    margin-right: 40px;
    transition: .5s;
}

.navbar a {
    color: var(--font-color-light);
    text-decoration: none;
}

#active-link {
    text-decoration: underline;
}

.nav-link:hover {
    text-decoration: underline;
}

.navbar li:hover {
    font-size: 31px;
    transition: .5s;
}

.mobile-nav-icon {
    text-align: center;
    width: 30px;
    height: 30px;
    padding: 5px;
    font-size: 20px;
    background-color: var(--book-border-color);
    display: none;
    margin-top: 30px;
    margin-left: 30px;
}

/* Responsive Vertical Navigation Bar */
@media (max-width: 960px) {
    .header-section {
        flex-direction: column;
        height: auto;
        justify-content: flex-start;
        padding-bottom: 30px;
    }

    .header-logo {
        position: absolute;
        top: 10px;
        right: 50px;
        margin-left: 50px;
        padding-right: 50px;
    }

    .navbar {
        background: var(--book-border-color);
        flex-direction: column;
        align-items: flex-start;
        height: auto;
        width: fit-content;
        padding: 5px 20px;
        margin-left: 30px;
    }

    .navbar ul {
        flex-direction: column;
        margin-top: 20px;
    }

    .navbar li {
        margin-right: 0;
        margin-bottom: 10px;
        font-size: 20px;
        transition: .5s;
    }

    .navbar {
        display: none;
    }

    .mobile-nav-icon {
        display: block;
    }

    .mobile-nav-icon:hover+.navbar {
        display: block;
    }

    .navbar:hover {
        display: block;
    }

    .navbar li:hover {
        font-size: 21px;
        transition: .5s;
    }
}

/* || MAIN SECTION */
/* Breadcrumb */
.breadcrumb {
    display: flex;
    justify-content: center;
    padding: 10px 0;
    list-style: none;
}

.breadcrumb li {
    color: var(--breadcrumb-child-color);
    display: inline;
    font-size: 25px;
    font-family: var(--font-family);
    font-weight: 400;
    text-transform: capitalize;
}

.breadcrumb li+li:before {
    padding: 8px;
    color: var(--breadcrumb-parent-color);
    content: ">\00a0";
}

.breadcrumb li a {
    color: var(--breadcrumb-parent-color);
    text-decoration: none;
    text-transform: capitalize;
}

.breadcrumb li a:hover {
    color: var(--breadcrumb-parent-color);
    text-decoration: underline;
}

/* Banner Section */
#banner-section {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 35px 0 35px;
}

.banner img {
    width: 100%;
    height: auto;
    border-radius: 1em;
    border: 3px solid black;
}

/* Store Section */
#store-page {
    padding-top: 50px;
}

.category {
    font-family: var(--font-family);
    font-weight: 900;
    font-size: 40px;
    letter-spacing: 3px;
    color: var(--font-color-light);
    text-decoration: none;
    text-transform: uppercase;
    text-align: center;
}

/* Book Showcase */
/* Default 3 Column Layout */
.bookshelf {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}

.book {
    width: calc(30% - 40px);
    margin-bottom: 40px;
    color: var(--font-color-light);
    text-decoration: none;
    text-align: center;
}


.book img {
    width: 100%;
    height: auto;
    transition: .5s;
    border: 10px solid var(--book-border-color);
    z-index: -1;
}

.book h2 {
    font-family: var(--font-family);
    font-size: 24px;
    color: var(--font-color-light);
    margin: 20px 0 0;
}

.book h3 {
    color: var(--font-color-light);
    font-family: var(--font-family);
    font-size: 21px;
    font-weight: 500;
    margin-bottom: 10px;

}

.book p {
    font-family: var(--font-family);
    font-size: 18px;
    text-decoration: none;
    line-height: 1.5;
    margin-bottom: 10px;
}

.book:hover img {
    scale: 1.02;
    transition: 0.5s;
}

.book:hover h2 {
    text-decoration: underline;
}

/* Responsive 1 Column Layout */
@media only screen and (max-width: 960px) {
    .bookshelf {
        flex-direction: column;
        padding: 0px 30px;
    }

    .book {
        width: 100%;
        margin-bottom: 40px;
    }
}

@media only screen and (max-width: 960px) {
    #footer-navbar {
        display: grid;
        gap: 2%;
    }

    #footer-navbar>ul {
        text-align: center;
    }
}

/* || BOOK DEATAIL PAGE */
/* Default Horizontal Book Detail */
.detail-box {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 100px;
}

.book-detail-smallimg img {
    height: 150px;
    margin: 10px 0;
    cursor: pointer;
    display: block;
    opacity: 0.6;
}

.book-detail-smallimg img:hover {
    opacity: 1;
}

.book-detail {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 40px;
}

.img-container img {
    height: 500px;
    width: auto;
}

.book-price {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
    margin-right: 80px;
}

.book-price h2 {
    font-family: var(--font-family);
    font-size: 20px;
    font-weight: 900;
    color: var(--font-color-light);
}

.book-price h3 {
    font-family: var(--font-family);
    font-size: 20px;
    font-weight: 400;
    color: var(--font-color-light);
}

.book-price p {
    font-family: var(--font-family);
    font-size: 40px;
    font-weight: 900;
    color: var(--font-color-light);
}

.book-price button {
    font-size: 25px;
    font-weight: 900;
    width: 250px;
    height: 45px;
}

.description-box {
    display: grid;
    justify-content: center;
    align-items: center;
    padding: 10px 250px 60px 250px;
}

.description-box h2 {
    font-family: var(--font-family);
    font-size: 30px;
    font-weight: 900;
    color: var(--font-color-light);
}

.description-box p {
    font-family: var(--font-family);
    font-size: 20px;
    font-weight: 400;
    color: var(--font-color-light);
    text-align: justify;
}

/* Responsive Vertial Book Detail */
@media (max-width:960px) {
    .detail-box {
        flex-direction: column;
        gap: 0px;
    }

    .book-detail {
        padding: 10px;
    }

    .book-price {
        padding: 10px;
        margin-left: 80px;
    }

    .description-box {
        text-align: center;
        padding: 30px 100px 60px 100px;
    }
}

/* || CONTACT PAGE */
/* Back Button */
.return-button {
    display: flex;
    font-size: 30px;
    font-family: var(--font-family);
    font-weight: 400;
    padding-bottom: 50px;
    width: 100%;
    height: 1px;
}

.return-button a {
    color: var(--font-color-light);
    text-decoration: none;
}

.return-button a span {
    text-transform: uppercase;
}

.return-button .return-link:hover {
    text-decoration: underline;
}

/* Default Horizontal Contact Form */
.container {
    width: 80%;
    margin: 50px auto;
}

.container h1 {
    color: var(--font-color-light);
    font-size: 24px;
    font-family: var(--font-family);
    font-weight: 900;
    margin-bottom: 10px;
}

.container p {
    color: var(--font-color-light);
    font-size: 14px;
    font-family: var(--font-family);
    font-weight: 400;
    margin-bottom: 40px;
}

.contact-box {
    background: var(--book-border-color);
    display: flex;
}

.contact-left {
    flex-basis: 60%;
    padding: 40px 60px;
}

.contact-left h3 {
    color: var(--font-color-light);
    font-family: var(--font-family);
    font-weight: 600;
    margin-bottom: 30px;
}

.input-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.input-row .input-group {
    flex-basis: 45%;
}

label {
    color: var(--font-color-light);
    font-family: var(--font-family);
    margin-bottom: 6px;
    display: block;
}

.require {
    display: inline-block;
    margin-left: 4px;
    color: #f24f66
}

input,
select,
option {
    color: var(--font-color-light);
    font-family: var(--font-family);
    width: 100%;
    background: var(--book-border-color);
    border: none;
    border-bottom: 1px solid #ccc;
    outline: none;
    padding-bottom: 5px;
}

textarea {
    background: var(--book-border-color);
    box-sizing: border-box;
    width: 100%;
    border: 1px solid #ccc;
    outline: none;
    padding: 10px;
}

button {
    background: orangered;
    width: 100px;
    height: 35px;
    border: none;
    border-radius: 30px;
    outline: none;
    color: #fff;
    margin-top: 20px;
    box-shadow: 0 5px 15px 0 rgba(255, 69, 0, 0.3);
}

.contact-right {
    background: orangered;
    flex-basis: 40%;
    padding: 40px;
}

.contact-right>h3 {
    color: #fff;
    font-family: var(--font-family);
    font-weight: 600;
}

.contact-info>tr,
td:first-child {
    padding-right: 20px;
}

.contact-info>tr,
td {
    color: #fff;
    font-family: var(--font-family);
    font-weight: 400;
    padding-top: 20px;
}

/* Responsive Vertical Contact Form */
@media (max-width: 960px) {
    .contact-box {
        flex-direction: column;
    }
}

/* || FOOTER SECTION */
/* | Default Horizontal Footer */
#footer-section {
    border-top: 1px solid #d1d1d1;
    /* split border */
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
}

#footer-navbar {
    display: flex;
    flex-direction: row;
    justify-content: center;
    padding: 10px 2vw;
    gap: 10%;
}

/* Video Section */
.video-box iframe {
    padding-bottom: 20px;
}

.video-box h2 {
    font-size: 25px;
    font-family: var(--font-family);
    font-weight: 900;
    text-align: center;
}

/* Newsletter Section */
.newsletter-box form {
    display: grid;
    justify-content: space-around;
    gap: 5px;
    padding-bottom: 20px;
}

.newsletter-box label {
    color: var(--font-color-light);
    font-family: var(--font-family);
    font-size: 25px;
    font-weight: 900;
    margin-bottom: 6px;
    display: block;
}

.newsletter-box input {
    color: var(--font-color-light);
    font-family: var(--font-family);
    width: 100%;
    background: var(--main-bg-color-light);
    border: none;
    border-bottom: 1px solid #ccc;
    outline: none;
    padding-bottom: 5px;
}

/* Footer Links Section */
#footer-navbar ul {
    display: grid;
    justify-content: center;
    gap: 20px;
    list-style: none;
    padding-bottom: 20px;
}

.footer-link {
    font-family: var(--font-family);
    font-size: 18px;
    color: var(--font-color-light);
    font-weight: 600;
    text-transform: capitalize;
    text-decoration: none;
}

.footer-link:hover {
    text-decoration: underline;
}

/* | Responsive Vertical Footer */
@media (max-width: 960px) {
    #footer-navbar {
        display: grid;
    }
}