:root{
    --yellow:#FFD54A;
    --blue:#4F7CFF;
    --purple:#C9B6FF;
    --dark:#111827;
    --gray:#6b7280;
    --bg:#f8f9ff;
}

.header{
    position:sticky;
    top:0;
    z-index:1000;

    width:100%;

    background:rgba(255,255,255,.9);
    backdrop-filter:blur(10px);

    border-bottom:1px solid rgba(0,0,0,.05);
}

.header .container{
    width:100%;
    padding:18px 30px;

    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:30px;
}

.logo{
    font-size:1.8rem;
    font-weight:800;
    text-decoration:none;
    color:var(--dark);
}

/* MENU */

.navbar-list{
    display:flex;
    align-items:center;
    gap:30px;

    list-style:none;
}

.navbar-link{
    color:var(--dark);
    text-decoration:none;
    font-weight:500;

    transition:.25s;
}

.navbar-link:hover{
    color:var(--blue);
}

/* SEARCH */

.search-box{
    width:260px;
}

.search-box input{
    width:100%;

    padding:12px 18px;

    border:none;

    border-radius:50px;

    background:white;

    box-shadow:
    0 8px 20px rgba(0,0,0,.06);

    outline:none;
}

.search-box input:focus{
    box-shadow:
    0 0 0 3px rgba(79,124,255,.15);
}

/* BUTTON */

.btn-primary{
    background:var(--blue);
    color:white;

    padding:12px 22px;

    border-radius:50px;

    text-decoration:none;

    font-weight:600;

    transition:.3s;
}

.btn-primary:hover{
    transform:translateY(-2px);
}

/* DROPDOWN */

.dropdown{
    position:relative;
}

.dropdown-menu{
    position:absolute;
    top:120%;
    left:0;

    min-width:260px;

    background:white;

    border-radius:18px;

    padding:10px;

    list-style:none;

    box-shadow:
    0 20px 40px rgba(0,0,0,.08);

    opacity:0;
    visibility:hidden;
    transform:translateY(10px);

    transition:.25s;
}

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

.dropdown-link{
    display:block;

    padding:12px 15px;

    text-decoration:none;

    color:var(--dark);

    border-radius:12px;
}

.dropdown-link:hover{
    background:#f3f4f6;
}

/* MOBILE */

.nav-open-btn,
.nav-close-btn{
    display:none;
}

@media(max-width:991px){

    .search-box{
        display:none;
    }

    .navbar-list{
        gap:18px;
    }

    .btn-primary{
        display:none;
    }
}

/* =========================
   TABLETTE
========================= */

@media (max-width: 1024px){

    .header .container{
        gap:20px;
        padding:16px 20px;
    }

    .navbar-list{
        gap:15px;
    }

    .search-box{
        width:180px;
    }

    .logo{
        font-size:1.5rem;
    }

}

/* =========================
   MOBILE
========================= */

@media (max-width: 768px){

    .header .container{
        padding:15px;
    }

    /* bouton hamburger visible */

    .nav-open-btn{
        display:flex;
        align-items:center;
        justify-content:center;

        font-size:2rem;

        background:none;
        border:none;
        cursor:pointer;
    }

    .nav-close-btn{
        display:block;

        background:none;
        border:none;

        font-size:2rem;
        cursor:pointer;
    }

    /* menu mobile */

    .navbar{
        position:fixed;

        top:0;
        right:-100%;

        width:320px;
        max-width:90vw;

        height:100vh;

        background:white;

        padding:30px;

        transition:.3s ease;

        box-shadow:
        -10px 0 30px rgba(0,0,0,.08);

        overflow-y:auto;
    }

    /* classe à ajouter via JS */

    .navbar.active{
        right:0;
    }

    .wrapper{
        display:flex;
        justify-content:space-between;
        align-items:center;

        margin-bottom:30px;
    }

    .navbar-list{
        flex-direction:column;
        align-items:flex-start;
        gap:0;
    }

    .navbar-item{
        width:100%;
    }

    .navbar-link{
        display:block;
        width:100%;

        padding:16px 0;
    }

    .dropdown-menu{
        position:static;

        opacity:1;
        visibility:visible;

        transform:none;

        box-shadow:none;

        padding-left:15px;

        margin-top:10px;
    }

    .search-box{
        display:none;
    }

    .btn-primary{
        display:none;
    }

}

/* =========================
   PETITS TELEPHONES
========================= */

@media (max-width: 480px){

    .logo{
        font-size:1.3rem;
    }

    .navbar{
        width:100%;
        max-width:none;
    }

}