/* ─── NAV.CSS ─── Shared navigation styles for all pages ─── */

/* ─── HEADER ─── */
#header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 26px 60px;
    transition: background .35s, padding .35s, box-shadow .35s, color .35s;
}
#header.scrolled {
    background: var(--yellow);
    padding: 16px 60px;
    box-shadow: 0 1px 0 rgba(24,22,20,.12);
}

/* on-dark mode: gastronomie hero (class on header element) */
#header.on-dark .logo,
#header.on-dark nav a { color: #fff; }
#header.on-dark .burger span { background: #fff; }
#header.scrolled .logo,
#header.scrolled nav a { color: var(--black); }
#header.scrolled .burger span { background: var(--black); }
nav a:hover, nav a.active { color: var(--orange); }
#header.on-dark nav a:hover { color: var(--yellow); }
#header.scrolled nav a:hover { color: var(--orange); }

/* hero-mode: joana-fabien (transparent + white text → ivory+blur on scroll) */
#header.hero-mode {
    background: transparent;
    padding: 0 60px;
    height: 64px;
}
#header.hero-mode .logo { color: #fff; }
#header.hero-mode nav a { color: rgba(255,255,255,.85); }
#header.hero-mode .burger span { background: #fff; }
#header.hero-mode.scrolled {
    background: rgba(253,249,237,.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--line);
    padding: 0 60px;
    height: 64px;
}
#header.hero-mode.scrolled .logo { color: var(--black); }
#header.hero-mode.scrolled nav a { color: var(--black); }
#header.hero-mode.scrolled .burger span { background: var(--black); }
#header.hero-mode.scrolled nav a:hover { color: var(--orange); }
#header.hero-mode .nav-lock { color: rgba(255,255,255,.5); }
#header.hero-mode.scrolled .nav-lock { color: rgba(24,22,20,.3); }

/* ─── LOGO ─── */
.logo {
    font-family: var(--g);
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--black);
}

/* ─── NAV ─── */
nav {
    display: flex;
    align-items: center;
    gap: 44px;
    list-style: none;
}
nav a {
    font-family: var(--g);
    font-size: .72rem;
    font-weight: 500;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--black);
    transition: color .25s;
}

/* ─── BURGER ─── */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
}
.burger span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--black);
    transition: transform .3s, opacity .3s, background .35s;
}

/* ─── NAV OVERLAY (mobile) ─── */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--black);
    z-index: 800;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 48px;
}
.nav-overlay.open { display: flex; }
.nav-overlay a {
    font-family: var(--g);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--ivory);
    transition: color .25s;
}
.nav-overlay a:hover { color: var(--orange); }
.nav-overlay a.active { color: var(--orange); }

/* ─── NAV OVERLAY SUB-ITEM ─── */
.nav-overlay-sub {
    font-size: 1rem !important;
    font-weight: 400 !important;
    opacity: .5;
    margin-top: -20px;
}

/* ─── SOCIAL RAIL (fixed left) ─── */
.social-rail {
    position: fixed;
    left: 24px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 600;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
.social-rail .rail-line {
    width: 1px;
    height: 56px;
    background: var(--black);
    opacity: .18;
    transition: background .2s, opacity .2s;
}
.social-rail a {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--black);
    transition: color .2s;
}
.social-rail a:hover { color: var(--orange); }
.social-rail svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* on-dark variant (gastronomie, leonardantonin hero) */
.social-rail.on-dark .rail-line {
    background: var(--orange);
    opacity: .5;
}
.social-rail.on-dark a { color: var(--orange); }
.social-rail.on-dark a:hover { color: #fff; }

/* on-light variant (leonardantonin scrolled sections) */
.social-rail.on-light .rail-line { background: var(--black); opacity: .18; }
.social-rail.on-light a { color: var(--black); }
.social-rail.on-light a:hover { color: var(--orange); }

/* ─── DROPDOWN (Mariages) ─── */
.nav-item { position: relative; display: flex; align-items: center; }
.nav-dropdown {
    position: absolute;
    top: calc(100% + 16px);
    left: 50%;
    transform: translateX(-50%) translateY(-6px);
    background: rgba(253,249,237,.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(24,22,20,.1);
    padding: 6px 0;
    min-width: 210px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
    box-shadow: 0 8px 24px rgba(24,22,20,.1);
    border-radius: 3px;
}
.nav-item:hover .nav-dropdown { opacity: 1; pointer-events: all; transform: translateX(-50%) translateY(0); }
.nav-dropdown::after { content: ""; position: absolute; top: -18px; left: 0; right: 0; height: 18px; }
.nav-dropdown-tag {
    display: block;
    padding: 8px 16px 4px;
    font-family: var(--g);
    font-size: .55rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: rgba(24,22,20,.35);
}
.nav-dropdown a {
    display: block;
    padding: 8px 16px;
    font-family: var(--g);
    font-size: .7rem;
    font-weight: 500;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--black) !important;
    transition: color .2s;
    white-space: nowrap;
}
.nav-dropdown a:hover { color: var(--orange) !important; }
.nav-chevron {
    font-size: .55rem;
    margin-left: 4px;
    opacity: .5;
    transition: transform .2s, opacity .2s;
    pointer-events: none;
}
.nav-item:hover .nav-chevron { transform: rotate(180deg); opacity: 1; }

/* ─── NAV LOCK (Easter egg) ─── */
.nav-lock {
    cursor: pointer;
    color: #ec3a00;
    opacity: .7;
    transition: opacity .2s, filter .2s;
    display: flex;
    align-items: center;
    flex-shrink: 0;
    background: none;
    border: none;
    padding: 0 2px;
}
.nav-lock:hover { opacity: 1; animation: lockGlow .6s ease-in-out infinite alternate; }
@keyframes lockGlow {
    from { filter: drop-shadow(0 0 5px #ec3a00) drop-shadow(0 0 10px rgba(236,58,0,.6)); }
    to   { filter: drop-shadow(0 0 10px #ec3a00) drop-shadow(0 0 22px #ff6a00) drop-shadow(0 0 35px rgba(236,58,0,.4)); }
}
.nav-lock svg {
    width: 15px;
    height: 15px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.nav-overlay .nav-lock { color: #ec3a00; opacity: .9; transform: scale(1.4); }

/* ─── MOBILE SOCIAL BAR ─── */
#mobile-social-bar { display: none; }

/* ─── ACTIVE STATE ─── */
nav a.active,
#header.scrolled nav a.active,
.nav-overlay a.active { color: var(--orange); }

/* ─── MEDIA QUERIES ─── */
@media (max-width: 900px) {
    #header { padding: 14px 36px !important; }
    #header.hero-mode { padding: 0 24px !important; }
    nav { display: none; }
    .burger { display: flex; }
    .social-rail { display: none; }

    #mobile-social-bar {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 52px;
        background: rgba(253,249,237,.92);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-top: 1px solid rgba(24,22,20,.08);
        align-items: center;
        justify-content: center;
        gap: 48px;
        z-index: 600;
    }
    #mobile-social-bar a {
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--black);
        transition: color .2s;
    }
    #mobile-social-bar a:hover { color: var(--orange); }
    #mobile-social-bar svg {
        width: 18px;
        height: 18px;
        stroke: currentColor;
        fill: none;
        stroke-width: 1.6;
        stroke-linecap: round;
        stroke-linejoin: round;
    }
}

@media (max-width: 600px) {
    #header { padding: 12px 20px !important; }
    #header.hero-mode { padding: 0 16px !important; }
}