/* =============================================================================
   GENERAL STYLES
 */

@font-face {
    font-family: 'Inter';
    src: URL('../webfonts/Inter/Inter-VariableFont_slnt\,wght.ttf') format('truetype');
}

/* Size of all elements always includes the border. */
* { box-sizing: border-box }

/* Reset the margin and padding of the document body. */
html,
body {
    margin : 0;
    padding: 0;
    font-family: "Inter", sans-serif;
}

h1, h2, h3, hr {
    color: #012647;
    clear: both;
}

body > main > article > header > h1 {
    text-align: center;
    font-size: 2em;
}

p { text-align: justify }

a {
    color: #004d91;
    text-decoration: none;
}
a:hover { text-decoration: underline }

img { max-width: 100% }

article {
    max-width: 80em;
    margin: 2em auto;
}


/* =============================================================================
   TABLE
 */

table {
    font-family: Arial, Helvetica, sans-serif;
    border-collapse: collapse;
    width: 100%;
}

table td,
table th {
    border: 1px solid #ddd;
    padding: 8px;
}

table tr:nth-child(even){background-color: #f2f2f2;}

table tr:hover {background-color: #ddd;}

table th {
    padding-top: 12px;
    padding-bottom: 12px;
    text-align: left;
    background-color: #004d91;
    color: white;
}

/* Make the table's header cells disappear if empty
 * (i.e. no height, no border, no background): */
table th:empty {
    padding   : 0;
    margin    : 0;
    max-height: 0;

    border          : none;
    background-color: transparent;
}


/* =============================================================================
   FIGURE with caption
   The figure is dynamic. The caption (if any) should not be longer than the
   width of the responsive image.
   (source: https://stackoverflow.com/questions/10264463/can-a-figcaption-be-restricted-to-the-width-of-a-responsively-sized-image#answer-13363408)
 */

figure { display: table }

figure img {
    display  : block;
    max-width: 100%;
}

figure > figcaption {
    display     : table-caption;
    caption-side: bottom;
    padding     : 1em;

    font-size : .8em;
    text-align: justify;

    color           : #555;
    background-color: #eee;
}


/* =============================================================================
   LAYOUTS SPECIFICITIES
   Special styles of common elements depending on the layouts
   (e.g. layouts/newsletter/single.html).
 */

/* Center the sections title in the Newsletters: */
body > main > article.newsletter > h1 {
    text-align: center;
    text-transform: uppercase;
}


/* =============================================================================
   MAIN PAGE LAYOUT
   Footer at bottom of the page even if empty content.
 */

body {
    display       : flex;
    flex-direction: column;
    height        : 100vh; /* needed to push the footer at the bottom of the page */
}

/* Let the main content takes as much vertical space as possible: */
body > main {
    flex-grow: 1;
    padding: 1em;
}

/* In case their height is dynamic (i.e. use of min-/max-height), prevent
   them to shrink when the page is smaller: */
body > header,
body > footer {
    flex-shrink: 0;
}

body > header,
body > .sitemap,
body > footer {
    background-color: #012647;
}


/* =============================================================================
   HEADER
 */

body > header {
    display        : flex;
    flex-direction : row;
    justify-content: space-between;

    position: relative;
    padding : 0 1em;

    height     : 5em;
    line-height: 5em;
}

body > header > .header-logo {
    position: relative;

    display: flex;

    color          : white;
    font-size      : 1.5em;
    text-decoration: none;
}

body > header > .header-logo > img {
    height      : calc( 100% - 1rem);
    margin      : .5rem 0;
    margin-right: 1rem;
}

body > header > .header-logo > span {
    position: relative;
    top: .75rem;
    line-height: 1.8rem;
    text-wrap: nowrap;
}

body > header > nav {
    display       : flex;
    flex-direction: row;
}

body > header > nav > a {
    font-size      : 1.3em;
    color          : white;
    text-decoration: none;
}

body > header > nav > a:hover { text-decoration: underline }

body > header > nav > a + a { margin-left: 1em }

/* Top bar's search menu item with a search magnifier on the left:  */
header > nav > a.search {
    background-image   : url('../images/search.png');
    background-repeat  : no-repeat;
    background-position: left 1.5em;
    background-size    : .8em;

    padding-left: 1.1em;
}


/* =============================================================================
   FOOTER
 */

body > .sitemap,
body > footer {
    padding: .5em;
    
    color     : white;
    font-size : 1.1em;
}

body > .sitemap a,
body > footer a {
    color: #92d5ff;
    text-decoration: none;
}
body > .sitemap a:hover,
body > footer a:hover {
    text-decoration: underline;
}

body > footer { text-align: right }


/* =============================================================================
   SECTION WITH HEADER, MAIN, LEFT-/RIGHT ASIDE AND FOOTER
 */

section {
    display              : grid;
    grid-template-columns: 1fr auto 1fr;
    grid-template-rows   : auto;
    grid-template-areas  : 
        "header header header"
        "left-aside main right-aside"
        "footer footer footer";
    
    /* Use all the section container width: */
    justify-content: stretch;
    /* Place this section at the top of the section container: */
    align-content: start;

    /* Use all the section inner width for its content: */
    justify-items: stretch;
    /* Use all the section inner height for its content: */
    align-items  : stretch;
}

section.with-only-right-aside {
    grid-template-columns: auto 1fr;
    grid-template-areas: 
        "header header"
        "main right-aside"
        "footer footer";
}

section.with-only-left-aside {
    grid-template-columns: 1fr auto;
    grid-template-areas: 
        "header header"
        "left-aside main"
        "footer footer";
}

section > header      { grid-area: header }
section > main        { grid-area: main }
section > aside.left  { grid-area: left-aside }
section > aside.right { grid-area: right-aside }
section > footer      { grid-area: footer }

section > header + main { margin-bottom: 1em }
section > main + footer { margin-top: 1em }
section > aside + main  { margin-right: 1em }
section > main + aside  { margin-left: 1em }


/* =============================================================================
   PAGE CREATION AND UPDATED DATES
 */

.pageDates {
    text-align: right;
    font-size : .9em;
    color     : #777;
    font-style: italic;
}


/* =============================================================================
   SECTION WITH A SIDE IMAGE
 */

.with-image + .with-image {
    margin-top: 2em;
}

/* LAYOUT-1: 2 COLUMNS */

.with-image:not(.is-floating) {
    display   : grid;
    column-gap: 1em;
}

.with-image:not(.is-floating).left,
.with-image:not(.is-floating):not(.right) {
    grid-template-columns: 1fr 3fr;
    grid-template-areas  : "image content";
}

.with-image:not(.is-floating).right {
    grid-template-columns: 3fr 1fr;
    grid-template-areas  : "content image";
}

.with-image:not(.is-floating) > figure {
    grid-area : image;
    margin-top: 1em;

    /* center the image horizontally and vertically: */
    align-self: center;
    place-self: center;

}

/* Image not larger than the image area: */
.with-image:not(.is-floating) > figure img { max-width: 100% }

.with-image:not(.is-floating) > main      { grid-area: content }

/* LAYOUT-2: FLOATING IMAGE */

.with-image.is-floating { display: block }

.with-image.is-floating > h1,
.with-image.is-floating > h2,
.with-image.is-floating > h3 {
    margin-top: 0;
    clear     : none;
}


/* =============================================================================
   FLOATING CONTENT
 */

.floating {
    margin    : 1em;
    margin-top: 0;
}
.floating.left  { float: left ; margin-left: 0; }
.floating.right { float: right; margin-right: 0; }

img.floating,
figure.floating,
.floating > img {
    max-width: 30vw;
}


/* =============================================================================
   CARROUSEL
 */

.carrousel {
    position: relative;
    width: 100%;
    margin: 1rem auto;
    max-width: 1600px;
    height: 33vh;
    min-height: 300px;
    max-height: 600px;
    overflow: hidden;
    padding: 0 0.25rem;
}

.carrousel-item        { display: none }
.carrousel-item.active { display: block }

.carrousel-item > .carrousel-img {
    width: 100%;
    height: auto;
    filter: contrast(.4);
    animation-name: fadein;
    animation-duration: 1s;
}

.carrousel-item > .carrousel-title {
    position: absolute;
    top: 1rem;
    left: 7rem;
    right: 7rem;
    background: rgba(0, 0, 0, 0.66);
    font-size: 2.3rem;

    padding: 0.5rem 1rem;
    color: #FFF;
}

.carrousel-item > .carrousel-author {
    position: absolute;
    top: 5rem;
    left: 7rem;

    background: rgba(0, 0, 0, 0.66);
    font-size: 1rem;

    padding: 0.5rem 1rem;
    color: #FFF;
}

.carrousel-item > .carrousel-author::before {
    content: "by "
}

.carrousel-item > .carrousel-action {
    position: absolute;
    bottom: 1rem;
    right: 7rem;

    background: rgba(0, 0, 0, 0.66);
    font-size: 1.4rem;

    padding: 0.5rem 1rem;
    color: #FFF;
    cursor: pointer;
}

.carrousel-item > .carrousel-action:hover {
    background: rgba(0, 100, 255, 0.8);
    color: rgba(255, 255, 255, 1);
    cursor: pointer;
}

.carrousel-btn {
    position: absolute;
    top     : 50%;
    padding : 0.5rem 1rem;

    border-radius: 4px;
    
    transform: translateY(-50%);

    font-size: 2rem;
    color    : rgba(255, 255, 255, 0.8);

    background: rgba(0, 0, 0, 0.66);
}

.carrousel-btn:hover {
    color : rgba(255, 255, 255, 1);
    cursor: pointer;
}

.carrousel-btn-left {
    left: 2rem;
}

.carrousel-btn-right {
    right: 2rem;
}

section > main.carrousel {
    width: 80vw;
}


/* =============================================================================
   CARDS
 */

 .cards {
    margin: 1rem 0;
    padding: 0;
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
    font-size: 1em;
}

.card {
    display: flex;
    flex-direction: column;
    flex: 1;
    margin: 0 0.5rem;
    padding: 1em;
    border: 1px solid #BBB;
    border-radius: 1em;
}

.card-title {
    margin-bottom: 1em;
    font-size: 1.2em;
    font-weight: bold;
    padding-bottom: 1em;
    border-bottom: 8px solid #BBB;
}

.card-list {
    flex-grow: 1;
}

.card-list ul {
    padding-left: 0;
    margin : 0;
    padding: 0;
}

.card-list li {
    list-style: none;
}

.card-list li + li {
    margin-top: 1em;
}

.sitemap .card { border: none }
.sitemap .card:nth-child(1) > .card-title { border-bottom-color: #5dbbf5 }
.sitemap .card:nth-child(2) > .card-title { border-bottom-color: #399110 }
.sitemap .card:nth-child(3) > .card-title { border-bottom-color: #aa3f3f }


/* =============================================================================
   SOCIAL LINKS
 */

#share-buttons {
    position: relative;
    width: 28em;
    margin: 0 auto;
    margin-top: 3em;
}

#share-buttons > a { text-decoration: none }

#share-buttons > a > img {
    display: inline;
    width  : 4em;

    padding: 0 .5em;

    border    : 0;
    box-shadow: 0;
}

#QRcode {
    position  : absolute;
    top       : -200px;
    left      : calc( 23em - 62px );

    display   : none;
    padding   : 5px;
    width     : 125px;
    overflow  : hidden;
    
    text-align: center;

    border: 1px solid #333;

    background-color:#FFF;
}

#QRcode.is-visible { display: block }

#QRcode > p {
    text-align: center;
    margin: .5em 0;
    font-size: .9em;
}

#QRcode > img {
    height: 125px;
    width : 125px;
}