/* ==========================================================================
   Header — Top bar + Navegação
   ========================================================================== */

/* Top Bar */
.top-bar {
    background-color: var(--color-dark);
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 17px;
    letter-spacing: -0.01em;
    color: var(--color-text-light);
}

.top-bar__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 18px;
    padding-bottom: 18px;
}

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

.top-bar__separator {
    color: var(--color-text-light);
    font-size: 14px;
    line-height: 1;
}

.top-bar__item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

a.top-bar__item:hover {
    color: var(--color-white);
}

.top-bar__item svg {
    flex-shrink: 0;
}

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

.top-bar__social-label {
    font-size: 14px;
    line-height: 17px;
    letter-spacing: -0.01em;
    color: var(--color-text-light);
}

.top-bar__social-icons {
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-bar__social-icons a {
    color: var(--color-text-light);
    display: inline-flex;
    align-items: center;
    transition: color var(--transition-fast);
}

.top-bar__social-icons a:hover {
    color: var(--color-primary);
}

/* Navegação */
.site-header {
    position: absolute;
    top: 54px;
    left: 0;
    right: 0;
    z-index: 100;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    padding-bottom: 16px;
    gap: 44px;
}

.nav__logo img {
    width: 176px;
    height: 67px;
    object-fit: contain;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--nav-pill-bg);
    border: var(--nav-pill-border);
    backdrop-filter: var(--nav-pill-blur);
    -webkit-backdrop-filter: var(--nav-pill-blur);
    border-radius: 100px;
    padding: 6px;
}

.nav__link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 16px;
    line-height: 19px;
    letter-spacing: -0.01em;
    color: var(--color-white);
    padding: 6px 12px;
    border-radius: 100px;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav__link:hover {
    opacity: 0.8;
}

.nav__link--active {
    background: var(--color-white);
    color: var(--color-dark);
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 1000px;
}

.nav__link--active:hover {
    opacity: 1;
}

.nav__dot {
    display: inline-block;
    width: 4px;
    height: 4px;
    background: var(--color-primary);
    border-radius: 50%;
}

/* Item "em breve" — links sem página ainda */
.nav__link--soon {
    opacity: 0.55;
    cursor: not-allowed;
}

.nav__link--soon:hover {
    opacity: 0.55;
}

/* Dropdown */
.nav__item--dropdown {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.nav__link--has-dropdown {
    background: none;
    border: none;
    color: var(--color-white);
    font: inherit;
    cursor: pointer;
    /* Remove "soon" cursor para o trigger */
}

/* Estado ativo precisa vencer o background: none do trigger de dropdown */
.nav__link--has-dropdown.nav__link--active {
    background: var(--color-white);
    color: var(--color-dark);
}

.nav__item--dropdown .nav__link--soon {
    cursor: pointer;
    opacity: 1;
}

.nav__chevron {
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.nav__item--dropdown[data-open="true"] .nav__chevron {
    transform: rotate(180deg);
}

.nav__dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    width: 235px;
    background: var(--nav-dropdown-bg);
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: var(--nav-dropdown-blur);
    -webkit-backdrop-filter: var(--nav-dropdown-blur);
    border-radius: 24px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateX(-50%) translateY(-8px);
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
    z-index: 200;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.nav__item--dropdown[data-open="true"] .nav__dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.nav__dropdown-link {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 6px 12px;
    border-radius: 16px;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    letter-spacing: -0.01em;
    color: var(--color-gray-50, #fafafa);
    white-space: normal;
    transition: background-color var(--transition-fast);
}

.nav__dropdown-link:hover {
    background-color: #fff;
    color: #252b37;
}

.nav__dropdown-link--active {
    background-color: #fff;
    color: #252b37;
    font-weight: 500;
}

/* Contato e redes sociais na sidebar (oculto no desktop) */
.nav__contact,
.nav__social {
    display: none;
}

/* Menu hamburger */
.nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
    gap: 4px;
    width: 44px;
    height: 44px;
    padding: 12px;
    z-index: 110;
    background: rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 100px;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    overflow: visible;
}

.nav__toggle-bar {
    display: block;
    box-sizing: border-box;
    width: 100%;
    height: 1px;
    flex-shrink: 0;
    background: var(--color-white);
    border: 1px solid var(--color-white);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-base), width var(--transition-base);
}

.nav__toggle-bar:nth-child(3) {
    width: 75%;
    align-self: flex-end;
}

/* Toggle animação (aberto) — forma um X centralizado */
.nav__toggle--open .nav__toggle-bar:nth-child(1) {
    transform: translateY(5.6px) rotate(45deg);
}

.nav__toggle--open .nav__toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav__toggle--open .nav__toggle-bar:nth-child(3) {
    width: 100%;
    align-self: stretch;
    transform: translateY(-5.6px) rotate(-45deg);
}

/* ===== Responsivo ===== */

@media (max-width: 1024px) {
    .nav__menu {
        gap: 16px;
        padding: 6px 12px 6px 6px;
    }

    .nav__link {
        font-size: 14px;
    }
}

/* Label de "Redes sociais:" — só aparece no mobile dentro do drawer */
.nav__social-label {
    display: none;
}

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

    .nav__toggle {
        display: flex;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(393px, 100vw);
        height: 100vh;
        flex-direction: column;
        align-items: stretch;
        background: var(--color-dark);
        border: none;
        border-radius: 0;
        backdrop-filter: none;
        /* padding-top reserva espaço para o sticky nav (z-index:150) que cobre o topo do drawer */
        padding: 88px 20px 24px;
        gap: 20px;
        transition: right var(--transition-base);
        z-index: 105;
        overflow-y: auto;
        /* Scroll funcional mas sem barra visível (drawer mobile) */
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .nav__menu::-webkit-scrollbar {
        display: none;
    }

    .nav__menu--open {
        right: 0;
    }

    /* Pills principais — bg sutil, padding 16/20, radius 120, altura 51 */
    .nav__link {
        display: flex;
        align-items: center;
        gap: 10px;
        width: 100%;
        box-sizing: border-box;
        background: rgba(255, 255, 255, 0.08);
        color: var(--color-white);
        padding: 16px 20px;
        border-radius: 120px;
        min-height: 51px;
        font-family: var(--font-body);
        font-size: 16px;
        font-weight: 400;
        line-height: 1;
        letter-spacing: -0.01em;
        transition: background-color var(--transition-fast);
    }

    .nav__link:hover {
        opacity: 1;
        background: rgba(255, 255, 255, 0.14);
        color: var(--color-white);
    }

    /* Estado ativo — pill branca + dot laranja 8px */
    .nav__link--active {
        background: var(--color-white);
        color: var(--color-dark);
        font-weight: 500;
        padding: 16px 20px;
        border-radius: 120px;
    }

    /* Mantém branco no hover do ativo — senão o :hover acima escurece a pill */
    .nav__link--active:hover {
        background: var(--color-white);
        color: var(--color-dark);
    }

    .nav__link--active .nav__dot {
        width: 8px;
        height: 8px;
    }

    /* Dropdown mobile — trigger é uma pill como os demais, radius um pouco menor */
    .nav__item--dropdown {
        display: block;
    }

    .nav__link--has-dropdown {
        width: 100%;
        text-align: left;
        justify-content: flex-start;
        border-radius: 64px;
    }

    .nav__link--has-dropdown .nav__chevron {
        margin-left: auto;
        width: 16px;
        height: 16px;
    }

    .nav__dropdown {
        position: static;
        top: auto;
        left: auto;
        width: auto;
        transform: none;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        background: transparent;
        border: none;
        border-radius: 0;
        padding: 0;
        margin-top: 0;
        box-shadow: none;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        display: flex;
        flex-direction: column;
        gap: 20px;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base), margin-top var(--transition-base);
    }

    .nav__item--dropdown[data-open="true"] .nav__dropdown {
        max-height: 1200px;
        margin-top: 16px;
        transform: none;
    }

    /* Subitens do dropdown — mesmas pills dos itens principais, mas com conector em arvore a esquerda */
    .nav__dropdown {
        position: relative;
        width: auto;
        gap: 12px;
        padding-left: 28px;
        margin-left: 12px;
    }

    .nav__dropdown > li {
        position: relative;
    }

    /* Curva em L que ramifica da linha vertical ate cada pill.
       A border-left de cada item se acumula verticalmente formando a linha continua;
       o ultimo item nao precisa de extensao abaixo da curva. */
    .nav__dropdown > li::before {
        content: "";
        position: absolute;
        left: -28px;
        /* extende para cima ate alcancar o centro do item anterior (ou do botao Industrias p/ o primeiro) */
        top: -63px;
        bottom: 50%;
        width: 20px;
        border-left: 2px solid #2B2E31;
        border-bottom: 2px solid #2B2E31;
        border-bottom-left-radius: 12px;
    }

    /* Primeiro item — linha vertical comeca logo abaixo do botao "Industrias" (16px de margin-top) */
    .nav__dropdown > li:first-child::before {
        top: -16px;
    }

    .nav__dropdown-link {
        display: flex;
        align-items: center;
        gap: 10px;
        width: 100%;
        box-sizing: border-box;
        background: rgba(255, 255, 255, 0.08);
        color: var(--color-white);
        padding: 14px 18px;
        border-radius: 120px;
        min-height: 51px;
        font-family: var(--font-body);
        font-size: 14.5px;
        font-weight: 400;
        line-height: 1.3;
        letter-spacing: -0.01em;
        white-space: normal;
        transition: background-color var(--transition-fast);
    }

    .nav__dropdown-link:hover,
    .nav__dropdown-link:active {
        background: rgba(255, 255, 255, 0.14);
        color: var(--color-white);
    }

    /* Variante ativa dentro do dropdown — pill branca como as principais */
    .nav__dropdown-link--active,
    .nav__dropdown-link--active:hover {
        background: var(--color-white);
        color: var(--color-dark);
        font-weight: 500;
    }

    .nav__contact {
        display: none;
    }

    /* Rodapé — label à esquerda, ícones à direita, separador no topo */
    .nav__social {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        margin-top: auto;
        padding: 24px 4px 0;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav__social-label {
        display: block;
        color: #a4a7ae;
        font-family: var(--font-body);
        font-size: 14px;
        line-height: 1;
        letter-spacing: -0.01em;
    }

    .nav__social-icons {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .nav__social-icons a {
        display: inline-flex;
        opacity: 0.9;
        transition: opacity var(--transition-fast);
    }

    .nav__social-icons a:hover {
        opacity: 1;
    }
}

@media (max-width: 600px) {
    .top-bar__inner {
        justify-content: center;
        padding-top: 10px;
        padding-bottom: 10px;
        padding-left: 16px;
        padding-right: 16px;
    }

    .top-bar__contact {
        width: 100%;
        gap: 6px;
        font-family: var(--font-body);
        font-size: 11px;
        line-height: 1.2;
        letter-spacing: -0.02em;
        text-align: center;
        justify-content: space-between;
        white-space: nowrap;
    }

    .top-bar__separator {
        font-size: 11px;
    }

    .top-bar__item svg {
        display: none;
    }

    .top-bar__social {
        display: none;
    }
}

/* ===== Mobile sticky nav ===== */

/* Oculto por padrão — só aparece no mobile (≤900px) quando o usuário scrolla. */
.mobile-sticky-nav {
    display: none;
}

@media (max-width: 900px) {
    .mobile-sticky-nav {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 150;
        background: var(--color-dark);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
    }

    .mobile-sticky-nav--visible,
    body.menu-open .mobile-sticky-nav {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .mobile-sticky-nav__inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-top: 10px;
        padding-bottom: 10px;
    }

    .mobile-sticky-nav__logo {
        display: inline-flex;
        align-items: center;
    }

    .mobile-sticky-nav__logo img {
        width: 120px;
        height: auto;
        display: block;
    }

    .mobile-sticky-nav__toggle {
        display: flex;
    }

    /* Com drawer aberto, o toggle do header estático some — fica só o do sticky nav */
    body.menu-open .site-header .nav__toggle {
        display: none;
    }
}