/* ==========================================
   HEADER - ESTILO PREMIUM OMEGA
   ========================================== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 50;
    background-color: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(0px);
    transition: var(--transition-premium);
    height: 110px; 
    display: flex;
    align-items: center;
}

/* Estado Ativo (Scroll), Hover ou Cabeçalho Sólido (Páginas Internas) */
header.header-active, 
header:hover,
.solid-header {
    background-color: #000000 !important;
    backdrop-filter: blur(20px) !important;
    height: 80px !important;
    border-bottom: 1px solid rgba(197, 160, 89, 0.3) !important;
}

header .max-w-\[1800px\] {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0 4rem;
}

/* Logotipo */
header img {
    transition: var(--transition-premium) !important;
    filter: brightness(0) invert(1) !important; 
    opacity: 0.9;
    max-height: 45px;
}

header.header-active img,
header:hover img,
.solid-header img {
    filter: brightness(1) invert(0) !important;
    opacity: 1 !important;
}

/* Navegação Desktop */
header nav a {
    position: relative;
    color: rgba(255, 255, 255, 0.5);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.45em;
    transition: var(--transition-premium);
    padding: 10px 0;
    white-space: nowrap;
}

header nav a:hover { 
    color: var(--gold); 
}

header nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 1px;
    background-color: var(--gold);
    transition: var(--transition-premium);
    transform: translateX(-50%);
}

header nav a:hover::after { 
    width: 100%; 
}

/* Responsividade */
@media (max-width: 768px) {
    header { 
        height: 80px !important; 
    }
    header .max-w-\[1800px\] { 
        padding: 0 1.5rem; 
    }
    header nav { 
        display: none; 
    }
}

/* ==========================================
   MENU HAMBURGUER MINIMALISTA E DINÂMICO
   ========================================== */
header .hamburger-line {
    background-color: #ffffff; /* Branco absoluto inicial no Hero */
    opacity: 0.9;
    transition: var(--transition-premium);
}

/* Linhas do hambúrguer ficam douradas no scroll ou em páginas internas */
header.header-active .hamburger-line,
header:hover .hamburger-line,
.solid-header .hamburger-line {
    background-color: var(--gold) !important;
    opacity: 1 !important;
}