/*  
======================================================
START REVERSE v3.2 — CSS FUTURISTA PREMIUM
Header fixo + menu mobile fixo + visual sólido
======================================================
*/

/* ------------------------------------------------------------------
   PALETA DE CORES FUTURISTA
------------------------------------------------------------------ */

:root {
    --cor-fundo-principal: #05080F;
    --cor-fundo-card: #0C111A;
    --cor-fundo-soft: #0F1624;

    --cor-primaria: #0EE7F9;
    --cor-primaria-glow: #63F3FF;
    --cor-secundaria: #3A4DFF;

    --cor-branca: #FFFFFF;
    --cor-cinza-claro: #D9E1F2;
    --cor-cinza-medio: #8F9BB3;

    --sombra-neon: 0px 0px 18px rgba(14, 231, 249, 0.35);

    --transicao: 0.28s ease-in-out;
}

/* ------------------------------------------------------------------
   RESET + TIPOGRAFIA
------------------------------------------------------------------ */

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background: var(--cor-fundo-principal);
    color: var(--cor-branca);
    font-family: 'Inter', 'Roboto', sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-weight: 700; letter-spacing: -0.5px; }

p { color: var(--cor-cinza-claro); }

/* ------------------------------------------------------------------
   LAYOUT GERAL
------------------------------------------------------------------ */

.container {
    width: 90%;
    max-width: 1250px;
    margin: 0 auto;
}

/* ------------------------------------------------------------------
   HEADER FIXO COMPLETO (DESKTOP + MOBILE)
------------------------------------------------------------------ */

header {
    width: 100%;
    height: 150px;
    padding: 30px 0;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;

    /* fundo sólido */
    background: #0A0E16;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.header-flex {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Evitar que o conteúdo fique por trás do header */
main {
    padding-top: 170px; /* altura do header + folga */
}

/* Ocultar logo mobile no desktop */
.logo-mobile { display: none; }

/* MENU DESKTOP */
.menu-desktop {
    display: flex;
    gap: 32px;
    align-items: center;
}

.menu-desktop .menu-link {
    color: var(--cor-branca);
    font-size: 1rem;
    opacity: 0.85;
    text-decoration: none;
    transition: var(--transicao);
}

.menu-desktop .menu-link:hover {
    color: var(--cor-primaria);
    opacity: 1;
}

/* BOTÃO MENU MOBILE */
.menu-mobile-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-mobile-btn span {
    width: 26px;
    height: 3px;
    background: var(--cor-branca);
    border-radius: 2px;
}

/* RESPONSIVIDADE DO HEADER */
@media (max-width: 820px) {
    .logo-desktop { display: none; }
    .logo-mobile { display: block; }
    .menu-desktop { display: none; }
    .menu-mobile-btn { display: flex; }
}

/* ------------------------------------------------------------------
   MENU MOBILE FIXO ABAIXO DO HEADER
------------------------------------------------------------------ */

.menu-mobile {
    position: fixed;
    top: 150px; /* mesma altura do header */
    left: 0;
    width: 100%;
    background: var(--cor-fundo-soft);
    padding: 22px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: none;
    flex-direction: column;
    gap: 15px;
    z-index: 9998; /* ligeiramente abaixo do header */
}

.menu-mobile.ativo {
    display: flex !important;
}

.menu-mobile-link {
    color: var(--cor-branca);
    text-decoration: none;
    font-size: 1.15rem;
    padding: 10px 0;
    transition: var(--transicao);
}

.menu-mobile-link:hover {
    color: var(--cor-primaria);
}

/* esconder no desktop */
@media (min-width: 821px) {
    .menu-mobile { display: none !important; }
}

/* ------------------------------------------------------------------
   SELETOR DE IDIOMA (DESKTOP + MOBILE)
------------------------------------------------------------------ */

.lang-selector,
.lang-selector-mobile {
    position: relative;
    display: inline-block;
}

.lang-select-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 10px;
    color: var(--cor-branca);
    font-weight: 600;
}

.lang-text,
.lang-mobile-text {
    font-size: 0.95rem;
    color: var(--cor-branca);
}

.lang-flag-current {
    width: 22px;
    height: 22px;
    border-radius: 3px;
}

/* DROPDOWN GERAL */
.lang-dropdown {
    display: none;
    position: absolute;
    top: 120%;
    right: 0;
    background: #0186d3;
    border-radius: 8px;
    padding: 10px 0;
    min-width: 200px;
    box-shadow: 0 8px 30px rgba(1, 134, 211, 0.18);
    z-index: 9999;
}

.lang-dropdown.open { display: block; }

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    cursor: pointer;
    color: #fff;
}

.lang-option:hover {
    color: #feb500 !important;
}

.lang-flag {
    width: 20px;
    height: 14px;
}

/* ------------------------------------------------------------------
   BOTÕES
------------------------------------------------------------------ */

.btn {
    padding: 12px 26px;
    border-radius: 6px;
    background: linear-gradient(90deg, var(--cor-primaria), var(--cor-secundaria));
    color: var(--cor-fundo-principal);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transicao);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--sombra-neon);
}

/* ------------------------------------------------------------------
   SEÇÕES
------------------------------------------------------------------ */

section { padding: 70px 0; }

section h1 {
    font-size: 2.3rem;
    text-align: center;
}

section h1::after {
    content: "";
    width: 70px;
    height: 3px;
    background: var(--cor-primaria);
    display: block;
    margin: 12px auto 0;
    border-radius: 2px;
}

/* ------------------------------------------------------------------
   CARDS
------------------------------------------------------------------ */

.card {
    background: var(--cor-fundo-card);
    border-radius: 10px;
    padding: 28px;
    border: 1px solid rgba(255,255,255,0.08);
    transition: var(--transicao);
}

.card:hover {
    transform: translateY(-6px);
    border-color: var(--cor-primaria);
    box-shadow: var(--sombra-neon);
}

/* ------------------------------------------------------------------
   FOOTER
------------------------------------------------------------------ */

footer {
    padding: 40px 0;
    margin-top: 40px;
    background: var(--cor-fundo-soft);
    border-top: 1px solid rgba(255,255,255,0.08);
    text-align: center;
}

footer p { color: var(--cor-cinza-medio); }

footer a {
    color: var(--cor-branca);
    text-decoration: none;
    opacity: 0.85;
    transition: var(--transicao);
}

footer a:hover {
    color: var(--cor-primaria);
    opacity: 1;
}

/* ------------------------------------------------------------------
   ANIMAÇÕES
------------------------------------------------------------------ */

.fade-in {
    animation: fadeIn 0.6s ease forwards;
    opacity: 0;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

/* ------------------------------------------------------------------
   BOTÃO VOLTAR AO TOPO
------------------------------------------------------------------ */

#scrollTopBtn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 54px;
    height: 54px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(to bottom, #3191e8, #1c76c1);
    box-shadow: 0 6px 20px rgba(0,0,0,0.35);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: .25s;
    z-index: 9999;
}

#scrollTopBtn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* ------------------------------------------------------------------
   CORREÇÃO DO FOOTER
------------------------------------------------------------------ */

main, section {
    min-height: calc(100vh - 180px);
}

/* ------------------------------------------------------------------
   LOGO AJUSTE
------------------------------------------------------------------ */

header .logo-desktop img,
header .logo-img {
    height: 100px !important;
    width: auto !important;
}

/* HEADER MENOR NO MOBILE */
@media (max-width: 820px) {
    header {
        height: 110px;
        padding: 18px 0;
    }

    main {
        padding-top: 130px !important; /* Compensa a nova altura */
    }
}