/* ─────────────────────────────────────────
   VIPAX · Menu Mobile
   Botão hamburger + overlay full-screen
   Visível apenas em telas ≤ 960px
───────────────────────────────────────── */

/* ── Botão hamburger ────────────────────── */
#nav-toggle {
    display: none;           /* oculto no desktop */
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: none;
    padding: 4px;
    z-index: 600;
    position: relative;
}

#nav-toggle span {
    display: block;
    height: 1px;
    background: var(--cream);
    transform-origin: center;
    transition: transform 0.35s cubic-bezier(0.16,1,0.3,1),
                opacity   0.25s ease,
                width     0.35s ease;
}

#nav-toggle span:nth-child(1) { width: 100%; }
#nav-toggle span:nth-child(2) { width: 70%; }
#nav-toggle span:nth-child(3) { width: 85%; }

/* Estado aberto: transforma em × */
#nav-toggle.open span:nth-child(1) {
    width: 100%;
    transform: translateY(6px) rotate(45deg);
}
#nav-toggle.open span:nth-child(2) {
    opacity: 0;
    transform: translateX(-6px);
}
#nav-toggle.open span:nth-child(3) {
    width: 100%;
    transform: translateY(-6px) rotate(-45deg);
}

/* ── Overlay full-screen ────────────────── */
#mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 550;
    background: rgba(6,13,7,0.97);
    backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;

    /* Estado inicial: fechado */
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.16,1,0.3,1);
}

#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
}

/* Links do menu mobile */
#mobile-menu a {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2.2rem, 8vw, 3.2rem);
    font-weight: 300;
    letter-spacing: 0.08em;
    color: var(--cream-70);
    text-decoration: none;
    line-height: 1.6;
    position: relative;
    transition: color 0.3s ease;
}

#mobile-menu a::after {
    content: '';
    position: absolute;
    bottom: 2px; left: 0;
    width: 0; height: 1px;
    background: var(--amber);
    transition: width 0.4s ease;
}

#mobile-menu a:hover       { color: var(--cream); }
#mobile-menu a:hover::after { width: 100%; }

/* Detalhe decorativo no fundo do overlay */
#mobile-menu::after {
    content: 'VIPAX';
    position: absolute;
    bottom: -0.15em; left: 50%;
    transform: translateX(-50%);
    font-family: 'Cormorant Garamond', serif;
    font-size: 38vw;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: rgba(200,150,62,0.03);
    pointer-events: none;
    user-select: none;
    line-height: 1;
}

/* ── Mostrar hamburger em mobile ────────── */
@media (max-width: 960px) {
    #nav-toggle { display: flex; }
}