/* ====================================
   HEADER E NAVEGAÇÃO
==================================== */
.main-header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    background: transparent;
    z-index: 1000;
    transition: all 0.3s ease;
}

/* Navbar Principal */
.navbar {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Links de Navegação */
.nav-links {
    display: flex;
    gap: 4rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-white);
    font-size: 1.1rem;
    font-weight: 500;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    transform: scale(1.1);
}

/* Estado do Header com Scroll */
.header-scrolled {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Botão do Menu Mobile */
.mobile-menu {
    display: none;
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    width: 45px;
    height: 45px;
    border: none;
    border-radius: 10px;
    background: rgba(0, 209, 106, 0.1);
    backdrop-filter: blur(10px);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
}

/* Estado do Menu Mobile Aberto */
.mobile-menu-open .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: 0;
    width: 75%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    padding: 5rem 2rem;
    gap: 1.5rem;
    z-index: 999;
    animation: slideIn 0.3s ease-out;
}

.mobile-menu-open .nav-links a {
    font-size: 1.1rem;
    opacity: 0.8;
    transition: all 0.3s ease;
}

/* Animação do Menu Mobile */
@keyframes slideIn {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}