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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f4f4;
    color: #1d2430;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: min(1120px, 90%);
    margin: 0 auto;
}

.topo {
    width: 100%;
    background: #07111f;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    position: sticky;
    top: 0;
    z-index: 10;
}

.topo-conteudo {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    color: #fff;
    font-weight: 700;
    letter-spacing: .5px;
}

.logo span {
    color: #c8c8c8;
    font-weight: 500;
}

nav {
    display: flex;
    gap: 28px;
}

nav a {
    color: #fff;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: .3s;
}

nav a:hover {
    color: #d96b5f;
}

.hero {
    min-height: 520px;
    background:
        linear-gradient(rgba(7, 17, 31, 0.88), rgba(7, 17, 31, 0.88)),
        url("../img/bg-projetos.jpg");
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    color: #fff;
    text-align: center;
}

.hero .container {
    max-width: 850px;
}

.subtitulo,
.secao-titulo span {
    display: inline-block;
    color: #d96b5f;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 14px;
}

.hero h1 {
    font-size: clamp(38px, 6vw, 72px);
    line-height: 1.1;
    margin-bottom: 22px;
}

.hero p {
    font-size: 18px;
    color: #d9d9d9;
    max-width: 760px;
    margin: 0 auto 32px;
}

.hero-botoes {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 13px 26px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 2px;
    transition: .3s;
}

.btn-principal {
    background: #8b241c;
    color: #fff;
    border: 1px solid #8b241c;
}

.btn-principal:hover {
    background: #b93228;
    border-color: #b93228;
}

.btn-secundario {
    color: #fff;
    border: 1px solid rgba(255,255,255,.7);
}

.btn-secundario:hover {
    background: #fff;
    color: #07111f;
}

.secao {
    padding: 90px 0;
    background: #f4f4f4;
}

.secao-escura {
    background: #07111f;
}

.secao-titulo {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 48px;
}

.secao-titulo h2 {
    font-size: clamp(30px, 4vw, 46px);
    line-height: 1.2;
    margin-bottom: 14px;
    color: #1d2430;
}

.secao-titulo p {
    color: #6a717c;
    font-size: 17px;
}

.secao-titulo.claro h2 {
    color: #fff;
}

.secao-titulo.claro p {
    color: #c9ced8;
}

.grid-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.card {
    background: #fff;
    border: 1px solid #ddd;
    padding: 34px 30px;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    transition: .3s;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(0,0,0,.10);
}

.card.destaque {
    border-top: 4px solid #8b241c;
}

.card-escuro {
    background: #101b2d;
    border-color: rgba(255,255,255,.08);
    color: #fff;
}

.card-tag {
    width: fit-content;
    padding: 6px 10px;
    background: rgba(139, 36, 28, .10);
    color: #8b241c;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 22px;
}

.card-escuro .card-tag {
    background: rgba(217, 107, 95, .15);
    color: #d96b5f;
}

.card h3 {
    font-size: 24px;
    margin-bottom: 18px;
    line-height: 1.25;
}

.card p {
    color: #6a717c;
    margin-bottom: 26px;
    flex: 1;
}

.card-escuro p {
    color: #c9ced8;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #1d2430;
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.card-link::before {
    content: "";
    width: 32px;
    height: 2px;
    background: currentColor;
}

.card-link:hover {
    color: #8b241c;
}

.card-escuro .card-link {
    color: #fff;
}

.indisponivel {
    opacity: .55;
    pointer-events: none;
}

.cta-final {
    background:
        linear-gradient(rgba(7, 17, 31, 0.86), rgba(7, 17, 31, 0.86)),
        url("../img/bg-cta.jpg");
    background-size: cover;
    background-position: center;
    padding: 90px 0;
    text-align: center;
    color: #fff;
}

.cta-final h2 {
    font-size: clamp(28px, 4vw, 44px);
    margin-bottom: 16px;
}

.cta-final p {
    color: #d9d9d9;
    max-width: 680px;
    margin: 0 auto 28px;
    font-size: 17px;
}

.rodape {
    background: #f1f1f1;
    color: #777;
    text-align: center;
    padding: 24px;
    font-size: 14px;
}

@media (max-width: 900px) {
    .topo-conteudo {
        height: auto;
        padding: 20px 0;
        flex-direction: column;
        gap: 16px;
    }

    nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }

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

    .hero {
        min-height: 560px;
        padding: 80px 0;
    }
}

@media (max-width: 520px) {
    .hero h1 {
        font-size: 38px;
    }

    .hero p {
        font-size: 16px;
    }

    .secao {
        padding: 70px 0;
    }

    .card {
        padding: 28px 24px;
    }
}