/* The Bright Company V5 — Navigation méga-menu partagée */

.nav { position: fixed; inset: 0 0 auto 0; z-index: 1000; transition: background .5s var(--ease), border-color .5s var(--ease); border-bottom: 1px solid transparent; }
.nav.is-scrolled { background: rgba(10, 11, 14, .78); backdrop-filter: blur(18px) saturate(140%); border-bottom-color: var(--line); }

/* Effet « Bright » — lens flares qui traversent le header (fidèle V4) */
.nav__flares { position: absolute; inset: 0 0 auto 0; height: 78px; overflow: hidden; pointer-events: none; z-index: 0; }
.nav__flares::before, .nav__flares::after { content: ""; position: absolute; border-radius: 50%; pointer-events: none; }
.nav__flares::before {
    top: 50%; left: -80px; width: 80px; height: 80px; transform: translateY(-50%); filter: blur(8px);
    background: radial-gradient(circle, rgba(255,255,255,.9) 0%, rgba(255,255,255,.65) 10%, rgba(212,175,55,.5) 30%, rgba(212,175,55,.14) 55%, transparent 75%);
    animation: lensFlare 18s ease-in-out infinite;
}
.nav__flares::after {
    top: 30%; left: -50px; width: 45px; height: 45px; transform: translateY(-50%); filter: blur(5px);
    background: radial-gradient(circle, rgba(255,255,255,.8) 0%, rgba(255,255,255,.45) 15%, rgba(212,175,55,.32) 40%, transparent 70%);
    animation: lensFlare2 18s ease-in-out infinite;
}
@keyframes lensFlare {
    0% { left: -80px; opacity: 0; top: 70%; }
    5% { opacity: 1; } 50% { top: 35%; } 95% { opacity: 1; }
    100% { left: calc(100% + 80px); opacity: 0; top: 55%; }
}
@keyframes lensFlare2 {
    0% { left: -50px; opacity: 0; top: 25%; }
    8% { opacity: .9; } 50% { top: 75%; } 92% { opacity: .9; }
    100% { left: calc(100% + 50px); opacity: 0; top: 45%; }
}

.nav__row { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; height: 78px; }
.nav__logo { display: flex; align-items: center; }
.nav__logo img { height: 50px; width: auto; }

.nav__links { display: none; align-items: center; gap: 2rem; }
.nav__item { position: relative; }
.nav__trigger, .nav__solo {
    display: inline-flex; align-items: center; gap: .35rem; font-size: .95rem; color: var(--ink-soft);
    transition: color .3s; padding: .4rem 0; cursor: pointer; font-family: var(--font-body);
}
.nav__trigger svg { width: 14px; height: 14px; transition: transform .35s var(--ease); }
.nav__solo { position: relative; }
.nav__solo::after, .nav__trigger::after { content: ""; position: absolute; left: 0; bottom: -2px; height: 1px; width: 0; background: var(--grad-gold-soft); transition: width .4s var(--ease); }
.nav__item:hover .nav__trigger, .nav__solo:hover, .nav__item:focus-within .nav__trigger { color: var(--ink); }
.nav__solo:hover::after { width: 100%; }
.nav__item:hover .nav__trigger svg, .nav__item:focus-within .nav__trigger svg { transform: rotate(180deg); }

/* Méga-menu déroulant */
.mega {
    position: absolute; top: calc(100% + 14px); left: 50%; transform: translateX(-50%) translateY(8px);
    display: grid; grid-template-columns: 1fr 1fr; gap: .3rem; min-width: 440px; padding: .8rem;
    background: rgba(16, 18, 24, .96); backdrop-filter: blur(20px); border: 1px solid var(--line);
    border-radius: var(--r-md); box-shadow: var(--shadow-card);
    opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.mega--audience { grid-template-columns: 1fr; min-width: 240px; }
.nav__item:hover .mega, .nav__item:focus-within .mega { opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.mega::before { content: ""; position: absolute; top: -14px; left: 0; right: 0; height: 14px; }
.mega a { display: block; padding: .7rem .9rem; border-radius: var(--r-sm); transition: background .25s; }
.mega a:hover { background: var(--surface-glass-strong); }
.mega a b { display: block; font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; color: var(--ink); }
.mega a span { font-size: .82rem; color: var(--ink-faint); }
.mega a:hover b { color: var(--gold-light); }

.nav__cta-group { display: none; align-items: center; gap: 1rem; }

/* Sélecteur de langue */
.lang-switch { display: inline-flex; gap: .1rem; align-items: center; }
.lang-switch a { font-size: .78rem; font-weight: 600; letter-spacing: .05em; color: var(--ink-faint); padding: .3rem .45rem; border-radius: var(--r-sm); transition: color .3s; }
.lang-switch a:hover { color: var(--ink); }
.lang-switch a.is-active { color: var(--gold-light); }
.lang-switch span { color: var(--line-strong); font-size: .7rem; }

/* Burger */
.burger { display: flex; flex-direction: column; gap: 5px; width: 30px; padding: 4px; }
.burger span { height: 2px; background: var(--ink); border-radius: 2px; transition: .35s var(--ease); }
.burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Menu mobile */
.menu {
    position: fixed; inset: 0; z-index: 999; background: rgba(10, 11, 14, .98); backdrop-filter: blur(22px);
    display: grid; align-content: center; justify-items: center; gap: 2rem; padding: 5rem 2rem; overflow-y: auto;
    transform: translateY(-100%); transition: transform .55s var(--ease); text-align: center;
}
.menu.is-open { transform: none; }
.menu__col { display: grid; gap: .5rem; }
.menu__h { font-size: .78rem; text-transform: uppercase; letter-spacing: .18em; color: var(--gold-light); margin-bottom: .4rem; }
.menu a { font-family: var(--font-display); font-size: 1.7rem; color: var(--ink-soft); transition: color .3s; }
.menu a:hover { color: var(--gold-light); }
.menu__cta { margin-top: 1rem; }

@media (min-width: 1080px) {
    .nav__links, .nav__cta-group { display: flex; }
    .burger, .menu { display: none; }
}