header {
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 8%;
    border-bottom: 1px solid #DCE3EC;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    width: 150px;
    display: block;
}

.nav-list {
    display: flex;
    gap: 48px;
}

.nav-list a {
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--texto);
    transition: 0.3s;
}

.nav-list a:hover {
    color: var(--azul-strato);
}

.nav-botao {
    display: flex;
}

.nav-area-cliente {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 11px 24px;
    border-radius: 8px;
    background-color: var(--azul-strato);
    border: 1px solid var(--azul-strato);
    color: #fff;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    transition: 0.3s;
}

.nav-area-cliente:hover {
    background-color: var(--azul-strato-escuro);
    border-color: var(--azul-strato-escuro);
    transform: translateY(-2px);
}

@media (max-width: 900px) {
    .nav-list {
        display: none;
    }
}

/* ===== BOTÃO FLUTUANTE DE WHATSAPP ===== */
.whatsapp-flutuante {
    position: fixed;
    right: 28px;
    bottom: 28px;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: #25D366;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0px 10px 28px -6px rgba(20, 40, 63, 0.45);
    z-index: 200;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-flutuante img {
    width: 58%;
    height: 58%;
    display: block;
    object-fit: contain;
}

.whatsapp-flutuante:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0px 14px 32px -6px rgba(20, 40, 63, 0.55);
}

@media (max-width: 600px) {
    .whatsapp-flutuante {
        right: 18px;
        bottom: 18px;
        width: 52px;
        height: 52px;
    }
}