/* ------------------------------
   Variables globales
---------------------------------*/
:root {
    --header-height: 80px;
    --logo-height: 64px;
    --header-bg: rgba(42, 42, 42, 0.80);
    --header-bg-active: rgba(34, 34, 34, 0.80);
}

/* ------------------------------
   Fonts
---------------------------------*/
@font-face {
    font-family: 'PT Sans';
    src: url('PTSans-Regular.ttf') format('truetype');
}

@font-face {
    font-family: 'Expansiva-bold';
    src: url('Expansiva-bold.ttf') format('truetype');
}

/* ------------------------------
   Reset de base
---------------------------------*/
*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

/* ------------------------------
   Layout global
---------------------------------*/
body {
    width: 100%;
    min-height: 100vh;
    background-color: #242424;
    color: #EDEDED;
    font-family: 'PT Sans', sans-serif;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
    font-size: clamp(18px, 2vw + 0.5rem, 26px);
}

/* ------------------------------
   Typo
---------------------------------*/
footer {
    font-size: 18px;
    color: #EDEDED;
    padding: 8px 0; /* léger padding vertical */
}

h1 {
    font-family: 'PT Sans', sans-serif;
    font-size: clamp(32px, 4vw + 1rem, 60px);
    margin-left: 10%;
    margin-right: 10%;
}

p {
    margin-left: 10%;
    margin-right: 10%;
}

/* Lignes Contact / Développe avec */
.info-row {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 24px;
    margin: 24px 10%;
    flex-wrap: wrap;
}

.info-title {
    margin: 0;
    font-size: clamp(30px, 3vw + 0.5rem, 42px);
    font-weight: bold;
}

/* ------------------------------
   Header & navigation
---------------------------------*/
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: var(--header-bg);
    z-index: 1000;
}

.header-inner {
    max-width: 1200px;
    height: var(--header-height);
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    position: relative;
}

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

.img_logo_nav {
    height: var(--logo-height);
    width: auto;
}

/* espace sous header fixe */
.header-spacer {
    height: var(--header-height);
}

/* Nav lists */
.onglets,
.ongletsLangue {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 18px;
}

.onglets li,
.ongletsLangue li {
    background-color: var(--header-bg);
}

.onglets li.active,
.ongletsLangue li.active {
    border-bottom: 1px solid #242424;
    background-color: var(--header-bg-active);
}

.onglets a,
.ongletsLangue a {
    display: block;
    color: #EDEDED;
    text-decoration: none;
    padding: 8px 16px 10px 16px;
    white-space: nowrap;
}

.onglets a:hover,
.ongletsLangue a:hover {
    background: var(--header-bg-active);
    color: #EDEDED;
}

.main-nav,
.lang-nav {
    display: flex;
    align-items: center;
}

/* ------------------------------
   Burger menu (mobile)
---------------------------------*/
.nav-toggle {
    display: none;
}

.nav-toggle-label {
    display: none;
    cursor: pointer;
    width: 32px;
    height: 24px;
    position: relative;
}

.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
    position: absolute;
    left: 0;
    right: 0;
    height: 3px;
    background: #EDEDED;
    border-radius: 2px;
    content: "";
    transition: transform 0.2s ease, opacity 0.2s ease, top 0.2s ease, bottom 0.2s ease;
}

.nav-toggle-label span {
    top: 50%;
    transform: translateY(-50%);
}

.nav-toggle-label span::before {
    top: -8px;
}

.nav-toggle-label span::after {
    bottom: -8px;
}

/* état ouvert */
.nav-toggle:checked + .nav-toggle-label span {
    transform: rotate(45deg);
}

.nav-toggle:checked + .nav-toggle-label span::before {
    top: 0;
    transform: rotate(0deg);
}

.nav-toggle:checked + .nav-toggle-label span::after {
    bottom: 0;
    transform: rotate(-90deg);
}

/* ------------------------------
   Layout desktop
---------------------------------*/
@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }

    .nav-toggle-label {
        display: none;
    }

    .main-nav,
    .lang-nav {
        position: static;
    }

    .onglets,
    .ongletsLangue {
        flex-direction: row;
    }
}

/* ------------------------------
   Layout mobile / tablette
---------------------------------*/
@media (max-width: 767px) {
    .header-inner {
        justify-content: space-between;
    }

    .nav-toggle-label {
        display: block;
    }

    .main-nav {
        display: none;
    }

    .lang-nav {
        display: flex;
    }

    .nav-toggle:checked ~ .main-nav {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: rgba(42, 42, 42, 0.97);
        padding: 8px 16px 12px 16px;
        gap: 8px;
    }

    .onglets {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        font-size: 16px;
    }

    .onglets a {
        width: 100%;
    }

    .ongletsLangue {
        font-size: 16px;
    }

    /* Espaces réduits sur mobile */
    .conteneur-space-three {
        height: 120px;
    }

    .conteneur-space-two {
        height: 80px;
    }

    .conteneur-space-one {
        height: 50px;
    }

    footer {
        font-size: 14px;
        padding: 4px 0;
    }

    #Credits {
        font-size: 14px;
    }

    .conteneur-space-petit {
        height: 20px;
    }

    .info-row {
        flex-direction: column;
        align-items: flex-start;
        margin-left: 10%;
        margin-right: 10%;
        text-align: left;
    }
}

/* ------------------------------
   Page d'accueil (body.home)
---------------------------------*/
body.home main {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

body.home .conteneur-space-three,
body.home .conteneur-space-petit {
    height: 0;
}

/* ------------------------------
   Images & logos
---------------------------------*/
#LogoCentre {
    text-align: center;
}

.img_logo_accueil {
    max-width: 50%;
    height: auto;
}

.img_logo_base {
    height: 64px;
    width: auto;
}

.img_logo_UE,
.img_logo_blender {
    height: 88px;
    width: auto;
}

.img_logo_EG {
    height: auto;
    max-width: 200px;
}

/* ------------------------------
   Spacers (pages internes)
---------------------------------*/
.conteneur-space-petit { height: 45px; }
.conteneur-space-one   { height: 100px; }
.conteneur-space-two   { height: 200px; }
.conteneur-space-three { height: 300px; }

/* ------------------------------
   Zoom animation
---------------------------------*/
.zoom-in-out-box {
    animation: zoom-in-zoom-out 200s ease infinite;
}

@keyframes zoom-in-zoom-out {
    0% {
        transform: scale(0.8, 0.8);
    }
    50% {
        transform: scale(1.1, 1.1);
    }
    100% {
        transform: scale(0.8, 0.8);
    }
}

/* ------------------------------
   Credits
---------------------------------*/
#Credits {
    text-align: center;
    font-size: large;
    font-family: 'Expansiva-bold';
    color: #EDEDED;
}

/* ------------------------------
   Conteneur générique
---------------------------------*/
.conteneur-main {
    margin-left: 10%;
    margin-right: 10%;
    background-color: #a1a1a1;
    color: #242424;
}

/* ------------------------------
   Section contact / studio
   (contient uniquement les icônes,
    la mise en ligne se fait via .info-row)
---------------------------------*/
.contact-links,
.tools-used {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin: 0;
}


@media (max-width: 767px) {
    .contact-links,
    .tools-used {
        gap: 12px;
    }

    .img_logo_base {
        height: 52px;
    }

    .img_logo_UE,
    .img_logo_blender {
        height: 72px;
    }
}