header {
    /* Fundo branco com 85% de opacidade */
    background-color: rgba(255, 255, 255, 0.85); 
    
    /* O "Pulo do Gato": aplica o desfoque no que estiver por trás do menu */
    backdrop-filter: blur(12px); 
    -webkit-backdrop-filter: blur(12px); /* Suporte para navegadores Safari */
    
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    color: var(--primary-color);
    line-height: 1;
    text-align: center;
}

.logo-mark {
    font-family: "Cormorant Garamond", Georgia, serif;
    font-size: 2.2rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    line-height: 0.9;
}

.logo-subtitle {
    font-size: 0.68rem;
    color: var(--text-light);
    letter-spacing: 0.08em;
    line-height: 1.1;
}

.logo:hover .logo-mark {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
}

.menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.9);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.menu-toggle span {
    width: 20px;
    height: 2px;
    background-color: var(--primary-color);
    border-radius: 999px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ================= Efeito de Linha Animada nos Links ================= */
.nav-links a {
    position: relative;
    padding-bottom: 5px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent-color);
}

/* Criando a linha invisível que fica debaixo do texto */
.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

/* A linha cresce para 100% da largura quando o mouse passa por cima */
.nav-links a:hover::after {
    width: 100%;
}

/* ================= Responsividade ================= */
@media (max-width: 768px) {
    nav {
        padding: 16px 20px;
    }

    .menu-toggle {
        display: inline-flex;
    }

    .nav-links {
        position: absolute;
        top: calc(100% + 12px);
        right: 20px;
        left: 20px;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 1px solid rgba(148, 163, 184, 0.2);
        border-radius: 18px;
        box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        pointer-events: none;
        transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
    }

    .nav-links a {
        display: block;
        padding: 14px 20px;
    }

    .nav-links a::after {
        display: none;
    }

    nav.menu-open .nav-links {
        max-height: 320px;
        opacity: 1;
        pointer-events: auto;
        padding: 8px 0;
    }

    nav.menu-open .menu-toggle span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    nav.menu-open .menu-toggle span:nth-child(2) {
        opacity: 0;
    }

    nav.menu-open .menu-toggle span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
}