.header {
    position: relative;
    background: var(--white);
    border-bottom: 1px solid var(--gray-300);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    padding-top: 20px;
    padding-bottom: 20px;
}

.header__logo {
    display: block;
    line-height: 0;
}

/* Botão hambúrguer */
.header__menu-button {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.header__menu-button::before,
.header__menu-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: var(--dark-blue);
    opacity: 0;
}

.header--open .header__menu-icon {
    visibility: hidden;
}

.header--open .header__menu-button::before,
.header--open .header__menu-button::after {
    opacity: 1;
}

.header--open .header__menu-button::before {
    transform: translate(-50%, -50%) rotate(45deg);
}

.header--open .header__menu-button::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}

/* Menu aberto (mobile/tablet) */
.header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 10;
    width: 100%;
    background: var(--white);
    border-bottom: 1px solid var(--gray-300);
    box-shadow: 0 8px 16px rgba(16, 24, 40, .08);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s;
}

.header--open .header__nav {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

.header__link {
    display: block;
    padding: 16px 4%;
    font-size: 16px;
    line-height: 1.4;
    color: var(--dark-blue);
    text-decoration: none;
}

.header__link:hover,
.header__link:focus-visible {
    color: var(--main-blue);
}

@media (min-width: 768px) {
    .header__link {
        padding-left: 6%;
        padding-right: 6%;
    }
}

@media (min-width: 1200px) {
    .header__menu-button {
        display: none;
    }

    .header__nav {
        position: static;
        width: auto;
        border-bottom: 0;
        box-shadow: none;
        visibility: visible;
        opacity: 1;
        transform: none;
        transition: none;
    }

    .header__list {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .header__link {
        padding: 8px 16px;
        font-size: 14px;
    }
}