* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

/* =======================================
   HEADER BASE (FIXO E TRANSPARENTE)
======================================= */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 22px 0;
    background: transparent;
    transition: all 0.3s ease-in-out;
}

.header-container {
    max-width: 1350px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* =======================================
   LOGOS (NORMAL vs SCROLLED)
======================================= */
.header-logo img {
    height: 38px;
    width: auto;
}

/* Sem scroll: mostra apenas o logo branco */
.header-logo .logo-light {
    display: block !important;
}

.header-logo .logo-dark {
    display: none !important;
}

/* =======================================
   NAVEGAÇÃO DESKTOP
======================================= */
.desktop-nav ul {
    display: flex;
    list-style: none;
    gap: 22px;
}

.desktop-nav a {
    color: #ffffff;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.desktop-nav a:hover,
.desktop-nav a.active {
    color: #0288d1;
}

/* =======================================
   AÇÕES DO TOPO (IDIOMAS, CTA, TOGGLE)
======================================= */
.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Seletor Idioma Base */
.lang-switch {
    padding: 3px;
    border-radius: 30px;
    display: flex;
    align-items: center;
}

.header-lang {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.lang-btn {
    background: transparent;
    border: none;
    color: #ffffff;
    padding: 5px 12px;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s;
}

.header-lang .lang-btn.active {
    background-color: #0288d1;
    color: #ffffff;
}

/* Botão CTA Geral */
.btn-primary {
    background-color: #0288d1;
    color: #ffffff;
    padding: 10px 22px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: transform 0.2s, background-color 0.2s;
    white-space: nowrap;
    display: inline-block;
}

.btn-primary:hover {
    background-color: #0277bd;
    transform: translateY(-2px);
}

/* Botão Mobile Hambúrguer */
.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    color: #ffffff;
    font-size: 1.6rem;
    cursor: pointer;
}

/* =======================================
   ESTILO AO FAZER SCROLL (.scrolled)
======================================= */
.main-header.scrolled {
    background: #ffffff;
    padding: 14px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border-bottom: 1px solid #f1f5f9;
}

/* Ao descer a página: esconde o branco e mostra o escuro */
.main-header.scrolled .header-logo .logo-light {
    display: none !important;
}

.main-header.scrolled .header-logo .logo-dark {
    display: block !important;
}

/* Links mudam para cinza escuro */
.main-header.scrolled .desktop-nav a {
    color: #1e293b;
}

.main-header.scrolled .desktop-nav a:hover,
.main-header.scrolled .desktop-nav a.active {
    color: #0288d1;
}

/* Seletor de Idioma fica claro */
.main-header.scrolled .header-lang {
    background: #f1f5f9;
    border-color: #e2e8f0;
}

.main-header.scrolled .header-lang .lang-btn {
    color: #64748b;
}

.main-header.scrolled .header-lang .lang-btn.active {
    background-color: #0288d1;
    color: #ffffff;
}

/* Ícone do menu mobile no scroll */
.main-header.scrolled .mobile-toggle {
    color: #0f172a;
}

/* =======================================
   CARD DO MENU MOBILE SUSPENSO
======================================= */
.mobile-menu-card {
    display: none;
    position: absolute;
    top: 75px;
    left: 20px;
    right: 20px;
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    padding: 30px 20px;
    text-align: center;
    z-index: 1001;
}

.mobile-menu-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-menu-card a {
    color: #1e293b;
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 600;
}

.mobile-extra-actions {
    display: none;
}

/* =======================================
   RESPONSIVIDADE (BREAKPOINTS)
======================================= */

/* Tablet & Mobile (≤ 1024px) */
@media (max-width: 1024px) {
    .desktop-nav {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .mobile-menu-card.open {
        display: block;
        animation: fadeInDown 0.3s ease-out forwards;
    }
}

/* Telemóveis Pequenos (≤ 500px) */
@media (max-width: 500px) {

    /* Esconde botões do topo: fica apenas Logo + Hambúrguer */
    .header-lang,
    .header-cta {
        display: none !important;
    }

    /* Mostra os botões dentro do card branco */
    .mobile-extra-actions {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 15px;
        margin-top: 25px;
        padding-top: 20px;
        border-top: 1px solid #f1f5f9;
    }

    .lang-switch-card {
        background: #f1f5f9;
        border: 1px solid #e2e8f0;
    }

    .lang-switch-card .lang-btn {
        color: #64748b;
    }

    .lang-switch-card .lang-btn.active {
        background-color: #0288d1;
        color: #ffffff;
    }

    .card-cta {
        width: 100%;
        max-width: 250px;
        padding: 12px;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}