/* VoltStop — identidade visual global */

body.pagina-interna {
    background: #161616;
    color: #A0A0A0;
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.top-nav {
    background: #0C0C0C;
    padding: 15px 15%;
    display: flex;
    justify-content: flex-end;
    gap: 20px;
    border-bottom: 1px solid #222;
}

.top-nav a {
    color: #555;
    text-decoration: none;
    font-size: 0.7rem;
    text-transform: uppercase;
    transition: 0.3s;
}

.top-nav a:hover { color: #FF6600; }

.header-padrao {
    background: #161616;
    padding: 80px 15%;
    text-align: center;
}

.header-padrao h1 {
    font-size: 3.5rem;
    color: #E0E0E0;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.header-padrao .intro-text {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 40px auto;
    line-height: 1.8;
}

.header-padrao .sub-menu {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.header-padrao .sub-menu a {
    color: #A0A0A0;
    text-decoration: none;
    padding: 10px 25px;
    border: 1px solid transparent;
    border-radius: 50px;
    transition: all 0.4s ease;
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 600;
}

.header-padrao .sub-menu a:hover {
    border: 1px solid #FF6600;
    color: #FF6600;
    background: rgba(255, 102, 0, 0.15);
}

.container {
    padding: 60px 15%;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.container section {
    padding: 100px 0;
    border-top: 1px solid #222;
}

.container h2 {
    font-size: 2.5rem;
    color: #E0E0E0;
    text-transform: uppercase;
    margin-bottom: 30px;
}

.container p {
    font-size: 1.1rem;
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    background: #262626;
    border: 1px solid #333;
    color: #A0A0A0;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    transition: 0.4s;
    margin-top: 40px;
}

.btn:hover {
    background: rgba(255, 102, 0, 0.15);
    border: 1px solid #FF6600;
    color: #FF6600;
}

.footer-padrao {
    padding: 20px 0;
    background: #0C0C0C;
    border-top: 1px solid #222;
    text-align: center;
}

.footer-padrao .footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 10px;
}

.footer-padrao a {
    color: #777;
    text-decoration: none;
    font-size: 0.75rem;
    transition: 0.3s;
}

.footer-padrao a:hover { color: #FF6600; }

.footer-padrao .copyright {
    font-size: 0.7rem;
    color: #555;
    margin: 0;
    max-width: none;
    width: 100%;
    text-align: center;
}

.footer-fixo {
    position: fixed;
    bottom: 0;
    width: 100%;
}

.footer-fluxo {
    position: relative;
    margin-top: auto;
}

/* Hub de conteúdo — layout estilo grid com cards */

.hub-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    padding: 20px 8%;
    background: #161616;
    border-bottom: 1px solid #222;
}

.hub-nav a {
    color: #A0A0A0;
    text-decoration: none;
    padding: 10px 25px;
    border: 1px solid transparent;
    border-radius: 50px;
    transition: all 0.4s ease;
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 600;
}

.hub-nav a:hover {
    border: 1px solid #FF6600;
    color: #FF6600;
    background: rgba(255, 102, 0, 0.15);
}

.hub-nav a.ativo {
    color: #fff;
}

.hub-nav a.ativo:hover {
    border: 1px solid #FF6600;
    color: #FF6600;
    background: rgba(255, 102, 0, 0.15);
}

.hub-conteudo {
    flex: 1;
    width: 100%;
}

.secao-hub {
    padding: 80px 8% 20px;
    scroll-margin-top: 70px;
}

.secao-hub + .secao-hub {
    padding-top: 60px;
}

.secao-hub-cabecalho {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 56px;
}

.secao-hub-cabecalho h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    color: #fff;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: none;
    margin: 0 0 20px;
}

.tech-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #FF6600;
    border: 1px solid rgba(255, 102, 0, 0.45);
    background: rgba(255, 102, 0, 0.1);
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 18px;
}

.secao-hub-intro {
    font-size: 1rem;
    line-height: 1.8;
    color: #A0A0A0;
    margin: 0;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.card-hub img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 20px;
    display: block;
    margin-bottom: 24px;
    background: #222;
}

.card-hub h3 {
    color: #E0E0E0;
    font-size: 1.15rem;
    font-weight: 600;
    text-align: left;
    margin: 0 0 12px;
    line-height: 1.4;
}

.card-hub p {
    font-size: 0.95rem;
    line-height: 1.75;
    color: #A0A0A0;
    text-align: left;
    max-width: none;
    margin: 0;
}

.hub-acao {
    text-align: center;
    padding: 60px 8% 40px;
}

@media (max-width: 1024px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .hub-nav {
        gap: 8px 24px;
        padding: 16px 5%;
    }

    .secao-hub {
        padding: 56px 5% 16px;
    }

    .cards-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .card-hub img {
        border-radius: 16px;
    }
}