/* HEADER */
.header {
    background: #000;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo {
    height: 45px;
}

.menu {
    display: flex;
    gap: 25px;
    align-items: center;
}

.menu a {
    color: #fff;
    font-weight: 500;
    font-size: 15px;
}

/* Botão hambúrguer — visível só no mobile */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* FOOTER */
.footer {
    background: #000;
    color: #fff;
    padding: 40px 0;
    text-align: center;
    margin-top: 60px;

    /* Estilo técnico */
    border-top: 3px solid #00A651;
    box-shadow: 0 -4px 12px rgba(0, 166, 81, 0.4);
}

.footer-links {
    margin-top: 12px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
}

.footer-links a {
    color: #00A651;
    font-weight: 600;
}

.footer-links a:hover {
    text-decoration: underline;
}

/* RESPONSIVIDADE HEADER — menu hambúrguer */
@media (max-width: 900px) {
    .menu-toggle {
        display: flex;
    }

    .logo {
        height: 36px;
    }

    .menu {
        display: none;
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: 0;
        background: #000;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        overflow-y: auto;
        z-index: 99;
    }

    .menu.open {
        display: flex;
    }

    .menu a {
        padding: 16px 25px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        font-size: 16px;
    }

    .menu a.btn-cta {
        margin: 15px 25px;
        text-align: center;
        display: block;
    }
}