/*css reset rule*/
* {
    margin: 0; padding: 0; border: 0; box-sizing: border-box;
}

:root {
    font-size: 62.5%; /*10/16, 16 is typically the default font size on a browser. Using the root unit of measurement */
    min-height: 100vh; /* to ensure that the page fills up the height of the device */
    --color-accent1: rgb(102,178,178);/* css variable to easily change the color on all over the page, just change the color in one place*/
    --page-background: rgb(235, 235, 235);/*color for background pages*/
    --text-content-color: rgb(70, 70, 70);/*for pages' text content*/
    --dark-background-headlines: rgb(210, 210, 210);/* for h1, h2, h3...*/
    --header-min-height: 25vh;
    --footer-anchor-height: 40px; /* min-height of anchors in the footer */
}

body {
    background-color: var(--page-background);
    /* border-top: 15px solid var(--color-accent1); var is referencing the color accent variable */
    border-bottom: 15px solid var(--color-accent1);
    min-height: 100vh; /* viewport height, visible space on the screen */
    font-family:'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    font-size: 1.4rem;
    color: var(--text-content-color);
}

header {
    padding: 10px;
    min-height: var(--header-min-height);
    overflow: hidden;
    color: var(--page-background);
    position: relative;
    background-image: url(../images/css-functions-header.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

#open-mobile-menu-icon  {
    display: none;
}

/* header nav menu */
nav#header-nav {
    display: block;
    margin-top: 8px;
}

/* unordered list/ ul */
#header-nav-menu {
    display: flex;
    justify-content: flex-end;
    flex-flow: row wrap;
}

#header-nav-menu > li {
    display: inline-block;
    margin-right: 8px;
    padding: 4px;
}

#header-nav-menu > li:hover {
    box-shadow: 2px 2px 8px var(--color-accent1);
}

#header-nav-menu > li > a {
    color: var(--dark-background-headlines);
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    text-transform: uppercase;
}

#header-nav-menu > li > a:hover {
    color: var(--color-accent1);
}

#logo {
    border-radius: 10px;
    width: 120px; height: 120px;
    padding: 10px;
    font-family: 'Pacifico', 'cursive';
    font-size: 2.5rem;
    text-align: center;
    color: rgb(210, 210, 210);
    background-image: url(../images/luna1.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 45% 50%;
    text-decoration: none;
    text-shadow: 2px 2px 2px rgb(70,70,70), -3px 2px 15px rgb(190,190,190);
    position: absolute; top: 30px; left: 100px;
}

#logo:hover {
    text-shadow: 2px 2px 4px rgb(190,190,190);
}

#page-title {
    padding: 24px;
    text-align: center;
    color: var(--color-accent1);
    text-shadow: 2px 1px 0px var(--text-content-color);
    font-size: 52px;
}

.description {
    padding: 0px 48px;
    margin: 0px 32px;
    text-align: center;
    font-size: 3rem;
}

/* ======================== contact form ======================== */
#contact-form-container {
    background-color: var(--page-background);
    width: 80%; height: 50vh;
    margin: 60px auto;
    display: flex;
    flex-flow: row wrap;
}

/* ============ child one of the contact form ======================= */
/* .contact-paragraph {
    font-size: 3.5rem;
    text-align: center;
    font-family: Georgia, 'Times New Roman', Times, serif;
    letter-spacing: 3px;
    color: var(--color-accent1);
    width: 100%; height: 80px;
    padding: 20px;
    margin-top: 150px;
} */

/* ======= child two of the contact form ============ */
.contact-info-items {
    display: flex;
    flex-flow: row wrap;
    width: 50%;
}

label {
    color: var(--text-content-color);
    display: flex;
    flex-flow: row wrap;
    font-size: 24px;
    height: 32px;
    flex-basis: 100%;
}

.contact-info-item {
    margin-top: -48px;
    border: 2px solid var(--color-accent1);
    height: 50px;
    font-size: 18px;
    color: var(--text-content-color);
    border-radius: 4px;
    flex-basis: 75%;
}

/* ========== child three of the contact form ============ */
#message-container {
    display: flex;
    flex-flow: row wrap;
    width: 50%;
}

#message-paragraph {
    color: var(--text-content-color);
    padding: 10px;
    font-size: 24px;
    height: 50px;
    flex-basis: 100%;
    margin-bottom: -8px;
}

#contact-message {
    border: 2px solid var(--color-accent1);
    border-radius: 4px;
    height: 250px;
    padding: 10px;
    font-size: 18px;
    flex-basis: 100%;
}

#submit-contact-info {
    color: var(--text-content-color);
    border: 2px solid var(--color-accent1);
    border-radius: 4px;
    height: 50px;
    flex-basis: 50%;
    margin-bottom: 30px;
    margin-top: 8px;
    font-size: 24px;
}

#submit-contact-info:hover {
    background-color: var(--color-accent1);
    cursor: pointer;
}

/* ====================== footer section ========================= */
/* FOOTER GRID */
.footer-container {
    background-color: var(--page-background);
    width: 80%; min-height: 60vh;
    margin: 32px auto 8px auto;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-template-rows: 200px 1fr;
    grid-template-areas:"title-letters . . ."
                        "links links links links";
    column-gap: 16px;
    row-gap: 16px;
}

/* first child of the footer, it takes all the first row  and it's the parent of the top row
which contains the letters of the title*/
.child-one {
    grid-area: title-letters;
    display: grid;
    grid-template-columns: repeat(21, 1fr);
    grid-template-rows: repeat(12, 1fr);
}

/* letter l ================================================= */
.title-letters:nth-child(1) {
    background-color: var(--text-content-color);
    grid-column: 4/5;
    grid-row: 2/7;
}

.title-letters:nth-child(2) {
    background-color: var(--text-content-color);
    grid-column: 5/7;
    grid-row: 6/7;
}

/* letter a ============================================== */
.title-letters:nth-child(3) {
    background-color: var(--text-content-color);
    grid-column: 8/9;
    grid-row: 2/7;
}

.title-letters:nth-child(4) {
    background-color: var(--text-content-color);
    grid-column: 9/12;
    grid-row: 2/3;
}

.title-letters:nth-child(5) {
    background-color: var(--text-content-color);
    grid-column: 9/11;
    grid-row: 4/5;
}

.title-letters:nth-child(6) {
    background-color: var(--text-content-color);
    grid-column: 11/12;
    grid-row: 2/7;
}

.title-letters:nth-child(7) {
    grid-column: 13/18;
    grid-row: 2/7;
    width: 100%; height: 100%; 
    object-fit: cover;
}

/* letter c ==================================================*/
.title-letters:nth-child(8) {
    background-color: var(--text-content-color);
    grid-column: 3/4;
    grid-row: 8/13;
}

.title-letters:nth-child(9) {
    background-color: var(--text-content-color);
    grid-column: 4/6;
    grid-row: 8/9;
}

.title-letters:nth-child(10) {
    background-color: var(--text-content-color);
    grid-column: 4/6;
    grid-row: 12/13;
}

/* letter o ===========================================================*/
.title-letters:nth-child(11) {
    background-color: var(--text-content-color);
    grid-column: 7/11;
    grid-row: 8/9;
}

.title-letters:nth-child(12) {
    background-color: var(--text-content-color);
    grid-column: 7/8;
    grid-row: 9/13;
}

.title-letters:nth-child(13) {
    background-color: var(--text-content-color);
    grid-column: 8/11;
    grid-row: 12/13;
}

.title-letters:nth-child(14) {
    background-color: var(--text-content-color);
    grid-column: 10/11;
    grid-row: 9/12;
}

/* letter d ================================================= */
.title-letters:nth-child(15) {
    background-color: var(--text-content-color);
    grid-column: 12/16;
    grid-row: 8/9;
}

.title-letters:nth-child(16) {
    background-color: var(--text-content-color);
    grid-column: 13/14;
    grid-row: 9/13;
}

.title-letters:nth-child(17) {
    background-color: var(--text-content-color);
    grid-column: 12/16;
    grid-row: 12/13;
}

.title-letters:nth-child(18) {
    background-color: var(--text-content-color);
    grid-column: 15/16;
    grid-row: 9/12;
}

/* letter e ================================================= */
.title-letters:nth-child(19) {
    background-color: var(--text-content-color);
    grid-column: 17/18;
    grid-row: 8/13;
}

.title-letters:nth-child(20) {
    background-color: var(--text-content-color);
    grid-column: 18/20;
    grid-row: 8/9;
}

.title-letters:nth-child(21) {
    background-color: var(--text-content-color);
    grid-column: 18/20;
    grid-row: 10/11;
}

.title-letters:nth-child(22) {
    background-color: var(--text-content-color);
    grid-column: 18/20;
    grid-row: 12/13;
}

/* it takes all the second row, and it's the parent for the links in the footer */
.child-two{
    grid-area: links;
    display: grid;
    grid-template-columns: repeat(19, 1fr);
    grid-template-rows: 1fr 1fr 1fr 1fr;
}

.footer-links {
    border-bottom: 4px solid var(--text-content-color);
    padding: 6px;
    text-decoration: none;
    text-align: center;
    font-size: larger;
    color: var(--color-accent1);
    font-weight: bold;
    align-self: end;
}

.footer-links:hover {
    color: var(--color-accent1);
    background-color: var(--text-content-color);
    border: 5px solid var(--color-accent1);
    transition: 1s;
}

.socialm-icon {
    margin-bottom: -10px;
    font-size: 2em;
}

.footer-links:nth-child(1) {
    grid-column: 4/7;
    grid-row: 2/3;
}

.footer-links:nth-child(2) {
    grid-column: 9/12;
    grid-row: 2/3;
}

.footer-links:nth-child(3) {
    grid-column: 14/17;
    grid-row: 2/3;
}

.footer-links:nth-child(4) {
    grid-column: 4/7;
    grid-row: 4/5;
}

.footer-links:nth-child(5) {
    grid-column: 9/12;
    grid-row: 4/5;
}

.footer-links:nth-child(6) {
    grid-column: 14/17;
    grid-row: 4/5;
}

.copyright {
    grid-column: 1/20;
    grid-row: 5/6;
    text-align: left;
    margin-top: 32px;
    color:var(--text-content-color);
    align-self: center;
}

/*====================== media queries ============================*/
@media screen and (max-width: 900px) {

    #header-nav-menu > li {
        margin-right: 8px;
    }

    #header-nav-menu > li > a {
        font-size: 1.2rem;
    }

    #logo {
        position: absolute; top: 0px; left: 20px;
    }

    #page-title {
        font-size: 42px;
    }
    
    .description {
        font-size: 2.5rem;
    }

    /* contact form */
    #contact-form-container {
        margin: 80px auto;
    }

    /* div container */
    .contact-info-items {
        margin: 40px auto;
        width: 100%;
    }

    label {
        font-size: 18px;
        height: 26px;
        padding: 4px;
    }

    .contact-info-item {
        height: 32px;
        font-size: 18px;
        flex-basis: 100%;
        margin-top: 0px;
    }

    #message-container {
        width: 100%;
    }

    #message-paragraph{
        margin-bottom: 0px;
        font-size: 18px;
        height: 28px;
        padding: 4px;
    }

    #submit-contact-info {
        flex-basis: 100%;
    }
    
    
    /* container for the letters of the title will take three columns */
    .footer-container {
        grid-template-areas:"title-letters title-letters title-letters ."
                            "links links links links";
        margin-top: 360px;
        margin-bottom: 8px;
    }

    .child-two{
        grid-template-columns: repeat(10, 1fr);
        grid-template-rows: 1fr 1fr 1fr;
        row-gap: 10px;
    }

    .footer-links:nth-child(1) {
        grid-column: 2/5;
        grid-row: 1/2;
    }
    
    .footer-links:nth-child(2) {
        grid-column: 2/5;
        grid-row: 3/4;
    }

    .footer-links:nth-child(3) {
        grid-column: 2/5;
        grid-row: 2/3;
    }
    
    .footer-links:nth-child(4) {
        grid-column: 6/9;
        grid-row: 2/3;
    }
    
    .footer-links:nth-child(5) {
        grid-column:  6/9;
        grid-row:  1/2;
    }
    
    .footer-links:nth-child(6) {
        grid-column: 6/9;
        grid-row: 3/4;
    }
    
    .copyright {
        font-size: smaller;
        grid-column: 1/11;
        grid-row: 4/5;
    }

}

@media screen and (max-width: 400px) {

    /* menu icon/image */
    #open-mobile-menu-icon{ 
        border: 1px solid var(--dark-background-headlines);
        display: block;
        position: absolute; top: 8px; right: 8px;
        width: 40px; height: 40px;
        color: var(--dark-background-headlines);
        background-image: url(../images/menu-open.png);
        background-position: center;
        background-repeat: no-repeat;
        background-size: 100%;
    } 

    /* unordered list/ ul */
    #header-nav-menu {
        align-items: flex-end;
        flex-flow: column wrap;
        position: absolute; top: 50px; right: 0px;
    }

    /* when menu is closed is display -500px off the screen */
    .closed {
        position: absolute; left: -500px;
    }

    #logo {
        position: absolute; top: 10px; left: 20px;
    }

    #page-title {
        font-size: 32px;
    }
    
    .description {
        font-size: 2rem;
    }

    /* contact form */
    #contact-form-container {
        margin: 10px auto;
    }

    .copyright {
        font-size: 1rem;
    }
    

}