@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&display=swap');

html {
    display: flex;
    flex-direction: column;
    font-size: 16px;
    font-family: "Montserrat";
    scroll-behavior: smooth;
}

body {
    display: flex;
    flex-direction: column;
    margin: 0;
}

nav {
    display: flex;
    /*position: fixed;*/
    /*width: 100vw;*/
    align-items: center;
    justify-content: space-between;
    top: 0;
    padding: 0 10px;
    height: 80px;
    border-bottom: 2px solid #000;
}

.navbar {
    display: flex;
    width: 70%;
    justify-content: flex-start;
    margin-right: 30px;
}

.navbar ul, .navbar li {
    list-style: none;
    padding: 0;
    margin: 0;
}

.navbar ul {
    display: flex;
    flex-direction: row;
    width: 100%;
}

.navbar li {
    position: relative;
    margin: auto 10px;
}

.navend {
    margin-right: 20px;
    display: flex;
    width: 100%;
    align-items: end;
    flex-direction: row-reverse;
}

.navend a {
    cursor: pointer;
}

.navbar ul ul {
    display: none;
    position: absolute;
    width: auto;
    left: 0;
    top: 100%;
    flex-direction: column;
    transform: translateX(-25%);
}

.navbar li:hover ul,
.navbar li ul:hover {
    display: flex; /* Changed to flex to support horizontal layout */
}

.navbar ul ul li {
    width: auto; /* Adjust width for inline layout */
    margin: auto 10px;
    padding: 10px;
    border-left: 1px solid;
}
    
.navbar ul ul li:first-child {
    margin-top: 20px;
}
        
.navbar ul ul a {
    display: block;
    padding: 0 0 10px 0;
    text-decoration: none;
    white-space: nowrap; /* Prevents text from wrapping */
}

.brand {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.2cm;
    font-variant: small-caps;
}

.subtitle {
    font-size: 1rem;
    letter-spacing: 0.05cm;
}

a {
    text-decoration: none;
    font-weight: 600;
    transition: all 1s;
    scroll-margin-top: 80px;
}

.button {
    padding: 5px;
    max-width: 300px;
    cursor: pointer;
    font-size: 1.5rem;
    border: 1px solid;
    border-radius: 2px;
    margin: 20px;
}

.button-grp {
    display: flex;
    flex-direction: row;
    justify-content: center;
    width: 100%;
}

main {
    flex: 1;
}

section {
    display: flex;
    flex-direction: column;
    padding: 20px;
    width: 60%;
    margin: 20px auto;
}

.courseNav {
    display: block;
    float: left;
    position: fixed;
    left: 0;
    top: 150px;
    max-width: 15%;
    border: 1px solid;
}

.edito {
    border: 1px solid;
    border-radius: 5px;
}

.comment {
    font-weight: 500;
}

.test {
    border: 1px solid;
    padding: 10px;
}

.ul-arrow li {
    list-style: none;
}

.ul-arrow li:before {
    content: "→ ";
    font-size: 1.5rem;
}

h1 {
    font-size: 2rem;
    border-left: 5px solid;
    border-bottom: 1px solid;
}

h2 {
    font-size: 1.5rem;
}

img {
    max-width: 100%;
}

.card-header img.thumbnails {
    transition: transform 1s ease
}

.card:hover img.thumbnails {
    transform: scale(1.2);
}

.container-inline {
    display: flex;
    flex-direction: row;
}

.card {
    display: flex;
    flex-direction: column;
    max-width: 250px;
    border-left: 1px solid;
    border-top: 1px solid;
    border-radius: 2px;
    overflow: hidden;
    margin: 20px;
}

.card-header h2 {
    display: flex;
    overflow: hidden;
}

.card-header {
    display: flex;
    width: 100%;
    font-size: 1rem;
    font-weight: 500;
}

.card-body a {
    font-size: 1rem;
    font-weight: 600;
}

.card-body a:hover {
    text-decoration: underline
}

.card-body {
    border-top: 1px solid;
    padding: 5px;
    line-height: 90%;
    overflow: hidden;
    z-index: 3;
}

.def-author {
    display: flex;
    padding: 10px;
    flex-direction: row;
    align-items: center;
    font-size: 0.8rem;
    font-style: italic;
}

/* CODE */
.inline {
    display: inline-block;
}

pre {
    border-radius: 5px;
}

code {
    font-family: "Courier New", Courier, monospace;
    border-radius: 5px;
}

.alert {
    border: 1px solid;
    border-radius: 2px;
    padding: 20px;
    margin: 20px 0;
}

.question {
    background-image: url('../img/question.png') right no-repeat;
}

#hide {
    display: none;
}

footer {
    flex-direction: column;
    background-color: #252525;
    color: #8d8d8d;
    padding: 10px;
    flex-shrink: 0;
}
    
.footer {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

.about {
    width: 30%;
}

.footer-link {
    width: 30%;
}

@media (max-width: 1000px) {
    .courseNav {
        display: block;
        position: relative;
        top: 0;
        border: 0;
        max-width: 100%;
        box-shadow: 0 0 transparent;
        background-color: transparent;
    }
}

@media (max-width: 678px) {
    nav {
        position: absolute;
        height: auto;
        align-items
        : flex-start;
        justify-content: flex-start;
        flex-direction: column;
        width: 100%;
    }

    .navbar {
        width: 100%;
    }

    .navbar ul {
        flex-direction: column;
        width: 100%;
    }

    .navbar ul li {
        width: 100%;
    }

    .navbar ul ul {
        position: static;
        flex-direction: column;
    }

    .navbar ul ul li {
        width: 100%;
        margin: 0;
    }

    .navbar ul ul a {
        padding: 10px 20px;
    }

    /* Initialement, les sous-menus sont cachés */
    .navbar ul ul {
        display: none;
    }

    /* Afficher les sous-menus lorsque l'élément parent est focalisé */
    .navbar li:focus-within > ul {
        display: flex;
    }

    /* Styles pour les liens parents pour permettre le focus */
    .navbar a {
        display: block;
        padding: 10px;
        text-decoration: none;
    }

    .navbar li > a:focus + ul {
        display: flex;
    }

    section {
        margin: 300px auto;
        width: 85%;
    }

    .submenu {
        display: none;
    }
}


/* design.css */
.snowflake {
    position: fixed;
    top: -10px;
    color: white;
    font-size: 1em;
    opacity: 0.8;
    filter: blur(1px);
    z-index: 1000; /* Assurez-vous que les flocons sont au premier plan */
    pointer-events: none; /* Empêche les flocons d'interférer avec les clics */
    animation: fall linear infinite;
}

@keyframes fall {
    to {
        transform: translateY(100vh);
    }
}

/* design.css */
.light {
    animation: blink 1s infinite;
}

.light:nth-child(2) {
    animation-delay: 0.2s;
}

.light:nth-child(3) {
    animation-delay: 0.4s;
}

.light:nth-child(4) {
    animation-delay: 0.6s;
}

.light:nth-child(5) {
    animation-delay: 0.8s;
}

.light:nth-child(6) {
    animation-delay: 1s;
}

.light:nth-child(7) {
    animation-delay: 1.2s;
}

.light:nth-child(8) {
    animation-delay: 1.4s;
}

.light:nth-child(9) {
    animation-delay: 1.6s;
}

.light:nth-child(10) {
    animation-delay: 1.8s;
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}