* {
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
}

:root {
    --main-color: #289ec5; 
    --text-color: #212121; 
    --text-light: #fff; 
    --heading-background: #3a4142; 
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Segoe UI", "Helvetica", Geneva, Tahoma, sans-serif;
    line-height: 1.5; 
}

img {
    max-width: 100%; 
    border-radius: 4px; 
}

.page {
    max-width: 1200px; 
    width: 95%; 
    margin: auto; 
}
a {
    color: #004fa3; 
}
ol, ul {
    list-style-position: inside; 
    margin-bottom: 2em; 
}

hr {
    border: none;
    height: 1px;
    background: var(--heading-background);
    margin: 2em auto;
    max-width: 1200px; 
    width: 60%; 
}


.slide {
    border-radius: 8px; 
    box-shadow: 1px 1px 4px rgba(0,0,0,.3); 
    margin: 1em auto; 
    padding: 1em;
    background: #fff; 
}
@media screen and (min-width: 760px) {
    .slide {
        padding: 2em;
    }
}
@media screen and (min-width: 1120px) {
    .slide {
        padding: 4em;
    }
}
.slide p {
    margin-bottom: 1em; 
}


.info-block {
    color: #0063CB; 
    background-color: #DDE5FF; 
    padding: 1em; 
    border-radius: 4px; 
}

.sep {
    width: 60%; 
    margin: 2em auto; 
    height: 1px; 
    background-color: #B4B4B4; 
    border-radius: 120px; 
}

.split-section {
    display: grid; 
    grid-template-columns: 50% 50%; 
    gap: 1em;
}
@media screen and (max-width: 780px) {
    .split-section {
        grid-template-columns: 100%; 
    }
}


.container {
    margin-bottom: 20vh; 
}

.flex-container {
    display: flex; 
    align-items: center; 
}



.head-block {
    height: 80vh; 
    align-items: center; 
    position: fixed; 
    z-index: -1;
    margin: auto; 
    margin-top: -80vh; 
    max-width: 100%; 
    justify-content: center; 
}


.head-block__content {
    display: flex;
    align-items: center; 
    max-width: 1200px; 
}
.head-block__content > div {
    width: 50%; 
}
.head-block .baseline {
    font-size: 1.25em; 
    line-height: 1.6; 
    max-width: 490px;
}

.heading1 .top-part {
    font-style: italic; 
    font-weight: 900; 
}
.heading1 .top-part:after {
    content: ''; 
    display: block; 
    height: 12px; 
    width: 75%;
    background-color: #C4C4C420; 
}
.heading1 .bottom-part {
    font-weight: 100; 
    font-size: 180%;
}




.sommaire-container {
    border-radius: 4px;  
    background-color: #FAFAFA; 
    padding: 1em;
}
.sommaire-container .sommaire__item {
    display: block; 
    border-radius: 4px; 
    text-decoration: none; 
    color: #212121; 
    background-color: #F2F2F2; 
    margin: 6px;
    padding: 6px; 
    transition: all ease 120ms;
    box-shadow: 1px 1px 1px #00000000; 
}
.sommaire-container .sommaire__item:hover {
    box-shadow: 1px 1px 4px #00000040; 
}

.expanded-ordered-list {
    list-style: none;
    counter-reset: step; 
    padding: 0; 
    background-color: #FAFAFA; 
    border-radius: 4px;
    padding: 1em;
}
.expanded-ordered-list.start-4 {
    counter-reset: step 3;
}
.expanded-ordered-list li {
    counter-increment: step;
    position: relative; 
    padding-left: 38px;
    margin: 15px 0;
}
.expanded-ordered-list li::before {
    content: counter(step); 
    color: #fff; 
    font-weight: bold;
    background-color: #2767BF; 
    position: absolute;
    left: 0; 
    top: -6px;
    width: 32px; 
    height: 32px; 
    border-radius: 100%; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
}



.content {
    background: #f1f1f1; 
    margin-top: 86svh; 
    padding-bottom: 1svh;
}

.screenshot-container {
    background-color: #fafafa; 
    display: flex; 
    justify-content: center;
    padding: 1em;
    border-radius: 4px;
    margin-bottom: 2em;
}








.section-head {
    background-color: var(--heading-background); 
    color: var(--text-light); 
    padding: 6px 6px 12px 6px;
    margin-top: 24px;
    position: sticky;
    z-index: 1;
    top: 0;
    box-shadow: 2px 2px 8px #00000032;
}











.heading3 {
    font-size: 2em; 
    font-weight: 300; 
    margin: 1em 0; 
}

.guide-container {
    display: flex; 
    flex-wrap: wrap;
}
.guide-container + .guide-container {
    margin-top: 1em; 
}

.guide-container .caption-container {
    width: calc(4/12*100%); 
    background: var(--main-color); 
    border-radius: 4px;
    padding: 1em; 
}
.guide-container .screenshot-container {
    width: calc(8/12*100%); 
    padding: 1em; 
}

.caption-container {
    color: #fff; 
}
.separated-list {
    display: flex;
    flex-direction: column;
    height: 100%;
}
.separated-list > div {
    height: 50%; 
}

.caption-container li {
    color: var(--text-light); 
    margin: 1.2em 1em;
    font-size: 1.2em;
}

.caption-container p {
    text-indent: 1em;
    margin-bottom: 1em; 
}

.caption-container .boxed {
    background: #ffffffa3; 
    padding: 1em;
    color: var(--text-color); 
}


.big-text {
    font-size: 1.85em;
    font-weight: 300;
}




@media screen and (max-width: 900px) {
    .caption-container li {
        font-size: 1em;
    }
}
@media screen and (max-width: 700px) {
    .caption-container li {
        font-size: 1em;
        margin: .6em; 
    }
}
@media screen and (max-width: 600px) {
    .guide-container .caption-container {
        width: 100%; 
        order: 2; 
    }
    .guide-container .screenshot-container {
        width: 100%; 
        padding: 0; 
    }
    .caption-container li {
        font-size: 1em;
        margin: .6em; 
    }
    .separated-list > div {
        height: auto; 
    }
}