@font-face {
    font-family: 'CascadiaCode-Regular';
    src: url(../SRC/TYPO/Cascadia_Code/CascadiaCode-Regular.ttf);
}

@font-face {
    font-family: 'Rubik-SemiBold';
    src: url(../SRC/TYPO/Rubik/Rubik-SemiBold.ttf);
}

/* variables de couleurs */
:root {
    --bg-color: #0a0a23;
    --text-color: #ffffff;
    --accent-color: #776bff;
    --link-color: #888bff;
    --slider-bg: #0a0a23;

    --theme-icon: url('../SRC/IMG/LightMode.svg'); 
}

body.light-mode {
    --bg-color: #F5F2E8;
    --text-color: #5a4dff;
    --accent-color: #5a4dff;
    --link-color: #484bff;
    --slider-bg: #F5F2E8;

    --theme-icon: url('../SRC/IMG/DarkMode.svg'); 
}

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

html {
    scroll-behavior: smooth;
}

body {
    overflow: hidden; 
    font-family: 'CascadiaCode-Regular';
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

/* header */
.header {
    width: 100%;
    padding: 1rem;
    border-bottom: 1px solid var(--accent-color);
}

.navbar {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 2rem;
    font-size: 1.5rem;
}

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

.navbar a:hover {
    opacity: 0.7;
}

/* dark/light  */
.theme-toggle {
    background: transparent;
    border: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
    outline: none;
    display: flex;
    align-items: center;
    justify-content: center;
    
}

.theme-icon {
    display: block;
    width: 30px; 
    height: 30px;
    background-image: var(--theme-icon);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    transition: transform 0.3s ease;
}

.theme-toggle:hover .theme-icon {
    transform: scale(1.1);
}

/* container principal */
.container {
    display: grid;
    grid-template-columns: 50% 50%;
    height: calc(100vh - 70px); 
    font-family: 'CascadiaCode-Regular';
}

.desc {
    margin: 0 6rem 0 0;
}

/* slider vertical */
.slider {
    position: relative;
    overflow-y: auto; 
    background-color: var(--slider-bg);
    
    scrollbar-width: none; 
}

.slider::-webkit-scrollbar {
    display: none;
}

.slider-wrapper {
    display: flex;
    flex-direction: column;
}

.slider-wrapper:hover{
    cursor: url(../SRC/IMG/arrow2.svg) 2 2 auto;
}

.slider img {
    width: 100%;
    height: 100vh;
    padding: 1rem;
    object-fit: contain;
}

.slider video {
    display: block;
    width: 100%;
    height: 100vh;
    padding: 1rem;
    object-fit: contain;
}

/* section texte */
.details {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem;
    background-color: var(--bg-color);
    overflow-y: auto; 
}

.details p {
    margin-bottom: 1rem;
}

.details h1 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-family: 'Rubik-SemiBold';
    font-size: 2rem;
    font-weight: bold;
    font-style: italic;
}

/* bouton retour en haut */
.back-to-top {
    display: none;
    align-items: center;
    justify-content: center;
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
    color: var(--link-color);
    text-decoration: none;
    border: solid 2px var(--accent-color);
    border-radius: 20%;
}

.back-to-top:hover {
    background-color: var(--accent-color);
    color: var(--bg-color);
}

@media (max-width: 900px) {
    body {
        overflow-y: auto;
        overflow-x: hidden;
    }

    .container {
        display: grid;
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
        height: auto;
    }

    .details {
        order: 1;
        padding: 2rem;
    }

    .slider {
        order: 2;
        overflow: visible;
        cursor: default;
    }

    .slider-wrapper {
        display: block;
        transform: none !important;
    }

    .slider img,
    .slider video {
        height: auto;
        min-height: 40vh;
        max-height: 60vh;
    }

    .back-to-top {
        display: flex;
    }
}