:root {
  --color-title: #0A2540;        
  --color-title2: #00B3A4;

  --color-paragraphe: #2E2E2E;
  --color-paragraphe2: #FFFFFF;         

  --color-section: #F8FAFC;      
  
  --color-primary: #3a7e83;      
  --color-hover: #E63946;        
  --Color-hover2: #FF8C00;




    --Couleur-Titre: #ff5b00;
    --Couleur-bouton: #00c8d6;
    --Couleur-bouton-hover: #00b783;

}

    /* Police */
    @font-face {
    font-family: Poppins-thin;
    src: url(../police/Poppins/Poppins-Thin.ttf);

    }
    @font-face {
    font-family: Poppins-light;
    src: url(../police/Poppins/Poppins-Light.ttf);
    }
    @font-face {
    font-family: Poppins-meduim;
    src: url(../police/Poppins/Poppins-Medium.ttf);
    }
    @font-face {
    font-family: Poppins-regular;
    src: url(../police/Poppins/Poppins-Regular.ttf);
    }
    @font-face {
    font-family: Poppins-semibold;
    src: url(../police/Poppins/Poppins-SemiBold.ttf);
    }
    @font-face {
    font-family: Poppins-ExtraLight;
    src: url(../police/Poppins/Poppins-ExtraLight.ttf);
    }

    :root {
    --font-paragraphe2:Poppins-ExtraLight;
    --font-normal: Poppins-semibold;
    --font-titre: Poppins-regular;
    --font-bold: Poppins-meduim;
    --font-paragraphe: Poppins-light;
    --font-titre3: Poppins-thin;
    }


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



/* ================= TOPBAR ================= */
.topbar {
    background: linear-gradient(90deg, #00B3A4, #FF8C00);
    padding: 8px 20px;
    display: flex;
    justify-content: space-between;
    font-size: 15px;
}

#icon {
    font-size: 15px;
}

#icon2 {
    font-size: 17px;
}

.topbar a {
    color: var(--color-paragraphe2);
    text-decoration: none;
    margin-right: 15px;
    font-family: var(--font-paragraphe);
    font-weight: 500;
}

@media (max-width: 700px) {
    #topbar2 {
        display: flex;
        flex-direction: column;
        gap: 3px;
    }
}



























































/* ================= NAVBAR ================= */
.navbar {
    background: var(--color-primary);
    display: flex;
    align-items: center;
    padding: 3px 20px;
    position: relative;
    z-index: 10;
    width: 100%;
    transition: all 0.3s ease;
}

.navbar.fixed {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    animation: navbarSlideDown 0.4s ease forwards;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    padding: 6px 15px;

    background: rgba(58, 126, 131, 0.9);
}


/* ===== ANIMATION ===== */
@keyframes navbarSlideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}


.logo img {
    height: 45px;
}

/* ================= MENU DESKTOP ================= */

.title_menu {
        display: none;
        text-align: center;
        font-family: var(--font-paragraphe2);
        font-weight: 500;
        letter-spacing: 1px;
        font-size: 24px;
        color: var(--Couleur-bouton-hover);
    }

    #institut {
        color: var(--Color-hover2);
        font-family: var(--font-titre);
    }

.menu {
    list-style: none;
    display: flex;
    margin-left: auto;
    gap: 25px;
}

.menu li {
    position: relative;

}

.menu a {
    text-decoration: none;
    font-family: var(--font-titre);
    letter-spacing: 1px;
    color: var(--color-paragraphe2);
    display: flex;
    align-items: center;
    font-size: 16px;
}

.menu a:hover {
    color: #f7941d;
    font-family: var(--font-titre);
}


.sub-dropdown a{
    margin-left: 7px;
}

.sub-dropdown a:hover {
    margin-left: 16px;
}
/* ================= DROPDOWN DESKTOP ================= */
.dropdown-content {
    position: absolute;
    margin-top: 14px;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--color-primary);
    list-style: none;
    padding: 10px 0;
    box-shadow: 0 10px 25px rgba(0,0,0,.15);
    border-top: 4px solid #f7941d;
    border-radius: 0px 0px 5px 5px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: .3s;
}

.dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* ================= SUB MENU ================= */
.sub-dropdown {
    position: relative;
}

.sub-menu {
    position: absolute;
    top: 0;
    left: 100%;
    min-width: 230px;
    list-style: none;
    padding: 5px 0;
    box-shadow: 0 10px 25px rgba(0,0,0,.15);
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: .3s;
    border-top: 4px solid #f7941d;
    background: var(--color-primary);
    border-radius: 0px 0px 5px 5px;
}

.sub-menu li a {
    margin-left: 10px;
    margin-top: 2px;
}

.sub-dropdown:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* ================= HAMBURGER ================= */
.hamburger {
    display: none;
    font-size: 27px;
    cursor: pointer;
    margin-left: auto;
    color: #fff;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 950px) {

    .hamburger {
        display: block;
    }

    .title_menu {
        display: block;
    }

    /* Menu mobile slide à droite */
.menu {
    position: fixed;
    top: 50px;
    right: -100%;
    width: 260px;
    background: var(--color-primary);
    flex-direction: column;

    max-height: calc(100vh - 110px);
    overflow-y: auto;
    scrollbar-width: thin; 

    transition: right 0.4s ease;
    z-index: 999;
    padding: 10px;
    padding-bottom: 50px;
    border-radius: 5px 0px 0px 5px;
}

#raitra {
    margin-top: -20px;
}

.menu::-webkit-scrollbar {
    width: 6px;
}

.menu::-webkit-scrollbar-thumb {
    background: #f7941d;
    border-radius: 10px;
}

.menu::-webkit-scrollbar-track {
    background: transparent;
}


    .menu.open {
        right: 0;
    }

    .menu li {
        width: 100%;
    }

    .menu a {
        padding: 2px 7px;
        justify-content: space-between;
    }

    .menu a:hover {
        margin-left: 5px;
    }

    .sub-dropdown {
        margin-left: 5px;
        margin-top: -5px;
    }

    .dropdown-content {
        margin-top: 0px;
    }

    .sub-menu {
        margin-top: -10px;
        background: none;
        width: 100px;
    }

    .sub-menu li a  {
        color: var(--Couleur-bouton-hover);
    }

    .sub-menu:hover {
        margin-left: 10px;
    }

    /* Désactiver hover mobile */
    .dropdown:hover .dropdown-content,
    .sub-dropdown:hover .sub-menu {
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    /* Dropdown mobile */
    .dropdown-content,
    .sub-menu {
        position: relative;
        left: 0;
        top: 0;
        box-shadow: none;
        border: none;
        display: none;
        opacity: 1;
        visibility: visible;
    }

    .dropdown.active > .dropdown-content {
        display: block;
    }

    .sub-dropdown.active > .sub-menu {
        display: block;
    }


}


@media (max-width:700px) {
    .menu {
        margin-top: 14px;
    }
}