/* HEADER */
.site-header{
    position: fixed;            /* on garde FIXED */
    top: 0; left: 0; right: 0;
    height: var(--header-h);
    z-index: 1000;
    background: linear-gradient(180deg, rgba(0,0,0,.55), rgba(0,0,0,.20));
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: background .2s ease, box-shadow .2s ease, border-color .2s ease;
}

/* micro-effet "sticky" (au scroll) */
.site-header.is-sticky{
    background: rgba(10,12,20,.55);
    border-bottom: 1px solid rgba(255,255,255,.10);
    box-shadow: 0 12px 30px rgba(0,0,0,.25);
}

/* GRID: brand | nav | user/burger */
.header-inner{
    height: 100%;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 16px;
}

/* Brand */
.brand{
    font-family: 'ZabalDEMOBlack', system-ui, sans-serif;
    letter-spacing: .5px;
    text-decoration: none;
    color: var(--text);
    font-size: 18px;
    white-space: nowrap;
}

/* Desktop nav */
.nav-desktop{
    justify-self: center;
    display: flex;
    gap: 18px;
}

.nav-desktop a{
    position: relative;
    padding: 6px 4px;
    text-decoration: none;
    color: rgba(255,255,255,.85);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    transition: color .2s ease;
}

/* underline animé */
.nav-desktop a::after{
    content:"";
    position:absolute;
    left:50%;
    bottom:-6px;
    width:0;
    height:2px;
    background: linear-gradient(90deg, var(--violet1), var(--blue1));
    border-radius:2px;
    transform: translateX(-50%);
    transition: width .25s ease;
}

/* hover */
.nav-desktop a:hover{
    color:#fff;
    text-shadow: 0 0 8px rgba(142,45,226,.35);
}
.nav-desktop a:hover::after{ width:100%; }

/* active */
.nav-desktop a.active{ color:#fff; }
.nav-desktop a.active::after{ width:100%; }

/* animation d’entrée */
@keyframes navIn{
    from { opacity:0; transform:translateY(-6px); }
    to   { opacity:1; transform:translateY(0); }
}
.nav-desktop a{
    opacity:0;
    animation: navIn .35s ease forwards;
}
.nav-desktop a:nth-child(1){ animation-delay:.05s; }
.nav-desktop a:nth-child(2){ animation-delay:.10s; }
.nav-desktop a:nth-child(3){ animation-delay:.15s; }

/* User zone (desktop) */
.header-user-desktop{
    justify-self: end;
    display: flex;
    align-items: center;
}

/* login btn */
.btn-login{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:8px 14px;
    border-radius:20px;
    background: rgba(255,255,255,.08);
    color:#fff;
    text-decoration:none;
    font-size:.9rem;
    transition: background .2s ease, transform .2s ease;
}
.btn-login:hover{
    background: rgba(255,255,255,.15);
    transform: translateY(-1px);
}

/* dropdown */
.user-menu{ position: relative; }

.user-trigger{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background: transparent;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 20px;
}
.user-trigger:hover{
    background: rgba(255,255,255,.08);
}

.user-name{
    opacity:.9;
    white-space: nowrap;
    font-size: .9rem;
}

.user-status{
    width:8px;
    height:8px;
    border-radius:999px;
    display:inline-block;
}
.user-status.online{
    background:#4ade80;
    box-shadow: 0 0 6px rgba(74,222,128,.6);
}

.user-dropdown{
    position:absolute;
    right:0;
    top: calc(100% + 8px);
    min-width: 190px;
    background: rgba(10,12,20,.85);
    backdrop-filter: blur(12px);
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,.12);
    box-shadow: 0 20px 40px rgba(0,0,0,.35);
    display:none;
    z-index: 100;
}
.user-menu:hover .user-dropdown{ display:block; }

.user-dropdown a,
.logout-btn{
    width:100%;
    display:flex;
    align-items:center;
    gap:10px;
    padding:10px 14px;
    background: transparent;
    border:0;
    color: inherit;
    text-decoration:none;
    font-size:.9rem;
    cursor:pointer;
}
.user-dropdown a:hover,
.logout-btn:hover{
    background: rgba(255,255,255,.08);
}
.logout-form{ margin:0; }

/* Burger */
.burger{
    display:none;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.10);
    color: inherit;
    padding: 8px 12px;
    border-radius: 14px;
    cursor: pointer;
}
.burger:hover{ background: rgba(255,255,255,.12); }

/* Mobile panel */
.mobile-panel{
    border-top: 1px solid rgba(255,255,255,.10);
    background: rgba(0,0,0,.20);
    backdrop-filter: blur(10px);
}

.nav-mobile{
    display:flex;
    flex-direction: column;
    padding: 10px 16px;
}
.nav-mobile a{
    position: relative;
    padding: 12px 10px;
    border-radius: 12px;
    text-decoration: none;
    color: rgba(255,255,255,.85);
    transition: background .2s ease, color .2s ease;
}
.nav-mobile a:hover{
    background: rgba(255,255,255,.08);
    color:#fff;
}
.nav-mobile a.active{
    background: rgba(255,255,255,.10);
    color:#fff;
}

/* Mobile user */
.mobile-user{
    padding: 10px 16px 16px;
    display:flex;
    flex-direction: column;
    gap: 10px;
}
.mobile-user-top{
    display:flex;
    align-items:center;
    gap:10px;
    padding:10px;
    border-radius:12px;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.08);
}
.mobile-link{
    display:flex;
    align-items:center;
    gap:10px;
    padding:12px 10px;
    border-radius:12px;
    text-decoration:none;
    color: rgba(255,255,255,.85);
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.08);
}
.mobile-link:hover{ background: rgba(255,255,255,.10); color:#fff; }
.btn-link{ width:100%; text-align:left; cursor:pointer; }

/* Responsive */
@media (max-width: 980px){
    .nav-desktop, .header-user-desktop{ display:none; }
    .burger{ display:inline-flex; align-items:center; justify-content:center; }
}


/* FOOTER */
.site-footer{
    margin-top: 24px;
    padding: 34px 0 18px;
    background: rgba(0,0,0,.25);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border);
}

.footer-grid{
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
}

.footer-col h4{
    margin: 0 0 10px;
    font-size: 13px;
    letter-spacing: .8px;
    text-transform: uppercase;
    color: rgba(255,255,255,.85);
}

.footer-link{
    display: block;
    padding: 10px 12px;
    margin: 8px 0;
    border-radius: 12px;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.08);
    color: rgba(255,255,255,.82);
    text-decoration: none;
    font-weight: 600;
    font-size: 13px;
}
.footer-link:hover{
    background: rgba(255,255,255,.09);
    border-color: rgba(255,255,255,.14);
    color: rgba(255,255,255,.92);
}

.footer-bottom{
    margin-top: 18px;
    padding-top: 12px;
    border-top: 1px solid rgba(255,255,255,.08);
    color: rgba(255,255,255,.65);
    font-size: 12px;
}

.footer-link i {
    margin-right: 8px;
    width: 16px;
    text-align: center;
}

.site-footer a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.site-footer i {
    width: 16px;
    text-align: center;
    opacity: 0.85;
}

.site-footer a:hover i {
    transform: translateX(2px);
    opacity: 1;
}

.site-footer i {
    transition: transform .2s ease, opacity .2s ease;
}

/* Responsive */
@media (max-width: 980px){
    .nav-desktop, .header-user-desktop{ display:none; }
    .burger{ display:inline-flex; align-items:center; justify-content:center; }
}

@media (max-width: 520px){
    .footer-grid{ grid-template-columns: 1fr; }
}