/* ==========================================================================
   VARIÁVEIS E BASE
   ========================================================================== */
:root {
    --color-topbar-bg: #000000;
    --color-topbar-text: #ffffff;
    --color-header-bg: #f0f2f5;
    --color-primary: #0046ad;
    --color-social-bg: #333333;
    --color-social-icon: #ffffff;
    --header-height: 80px;
    --font-main: inherit;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Topbar Superior (Visível em Desktop e Mobile) */
.site-topbar {
    background-color: var(--color-topbar-bg);
    color: var(--color-topbar-text);
    padding: 8px 0;
    text-align: center;
    font-family: var(--font-main);
    font-size: 13px;
    font-weight: 600;
}
.topbar-text { margin: 0; }

/* Estilo Base Header */
.site-header {
    background-color: var(--color-header-bg);
    border-bottom: 3px solid #0056b3;
    position: relative;
    z-index: 999;
}

.site-logo img {
    max-height: 50px;
    width: auto;
    display: block;
}

/* Ícones de Redes Sociais */
.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    /* width: 42px; */
    /* height: 42px; */
    /* background-color: var(--color-social-bg); */
    color: var(--color-primary);
    text-decoration: none;
    font-weight: bold;
    font-family: var(--font-main);
    border-radius: 2px;
    margin-left:4px;
    margin-right:4px;
}

.social-icon i{
    font-size: 32px;
    color: var(--color-primary);
}

/* ==========================================================================
   REGRAS PARA DESKTOP (992px+)
   ========================================================================== */
@media (min-width: 992px) {
    .header-main-content {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: var(--header-height);
    }

    .site-logo {
        flex: 1;
        display: flex;
        justify-content: flex-start;
    }

    .main-navigation {
        flex: 1;
        display: flex;
        justify-content: center;
    }

    .nav-menu {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        gap: 25px;
    }

    .nav-menu a {
        color: var(--color-primary);
        text-decoration: none;
        font-size: 16px;
        font-weight: 500;
        font-family: var(--font-main);
    }

    .header-socials {
        flex: 1;
        display: flex;
        justify-content: flex-end;
        gap: 10px;
    }

    .menu-toggle,
    .mobile-socials {
        display: none !important;
    }
}

/* ==========================================================================
   REGRAS PARA MOBILE (< 991px) COM EFEITO DE MOVIMENTO
   ========================================================================== */
@media (max-width: 991px) {
    .header-main-content {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 70px;
    }

    .header-socials {
        display: none;
    }

    /* Ícone Hambúrguer */
    .menu-toggle {
        display: block;
        background: transparent;
        border: none;
        cursor: pointer;
        width: 30px;
        height: 24px;
        position: relative;
        padding: 0;
        z-index: 1001;
    }

    .hamburger-icon, 
    .hamburger-icon::before, 
    .hamburger-icon::after {
        content: '';
        display: block;
        width: 100%;
        height: 4px;
        background-color: var(--color-primary);
        border-radius: 2px;
        position: absolute;
        transition: transform 0.3s ease, top 0.3s ease, opacity 0.3s ease;
    }

    .hamburger-icon { top: 10px; }
    .hamburger-icon::before { top: -9px; }
    .hamburger-icon::after { top: 9px; }

    /* Transformação em 'X' */
    .menu-toggle.is-active .hamburger-icon { background-color: transparent; }
    .menu-toggle.is-active .hamburger-icon::before { top: 0; transform: rotate(45deg); }
    .menu-toggle.is-active .hamburger-icon::after { top: 0; transform: rotate(-45deg); }

    /* Gaveta de Navegação Mobile (Efeito Gaveta + Deslize) */
    .main-navigation {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #ffffff;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 25px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.15);
        
        /* Estado Fechado: deslocado para cima e opaco */
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-15px);
        
        /* Transição fluida de movimento e abertura */
        transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                    opacity 0.3s ease,
                    transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                    visibility 0.3s,
                    padding 0.3s ease;
    }

    /* Estado Aberto */
    .main-navigation.is-open {
        max-height: 600px;
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        padding: 25px 20px;
    }

    /* Estilização garantida dos links na gaveta */
    .main-navigation .nav-menu {
        list-style: none !important;
        margin: 0 !important;
        padding: 0 !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        gap: 18px !important;
        width: 100% !important;
    }

    .main-navigation .nav-menu li {
        display: block !important;
        width: 100% !important;
        text-align: center !important;
    }

    .main-navigation .nav-menu a {
        display: inline-block !important;
        color: var(--color-primary) !important;
        text-decoration: none !important;
        font-size: 18px !important;
        font-weight: 500 !important;
        font-family: var(--font-main) !important;
    }

    .mobile-socials {
        display: flex !important;
        gap: 12px;
        justify-content: center;
        margin-top: 10px;
    }
}