@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;600;800&display=swap');

:root {
    --cor-principal: #2563eb;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.4;
}

.cabecalho {
    background: linear-gradient(135deg, #1e40af 0%, #4a90ff 100%);
    color: #fff;
    padding: 80px 20px;
    text-align: center;
}

.titulo {
    font-size: 3.0rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.subtitulo {
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 2px;
    opacity: 0.8;
}

.materia {
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: 20px;
}

.navegacao {
    background-color: rgba(30, 64, 175, 0.95);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.botoes {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 10px;
}

.botao a {
    color: #fff;
    text-decoration: none;
    padding: 20px 25px;
    display: block;
    font-size: 1.0rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.botao a:hover {
    color: #00d4ff;
}

.conteudo {
    max-width: 850px;
    margin: 80px auto;
    padding: 0 25px;
}

.artigo h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 30px;
    color: #111827;
}

.artigo p {
    font-size: 1.1rem;
    color: #374151;
}

.topico {
    margin: 50px 0;
}

.topico h2 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--cor-principal);
}

.topico p {
    font-size: 1.1rem;
    color: #374151;
}

.imagem {
    margin: 60px 0;
    text-align: center;
}

.imagem-tcp {
    max-width: 100%;
    border-radius: 10px;
}

.formulario {
    color: #111827;
    margin-top: 60px;
    padding: 60px 0;
}

.formulario h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 40px;
}

.pergunta {
    margin-bottom: 40px;
}

.pergunta p {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.pergunta label {
    display: block;
    margin-bottom: 12px;
    cursor: pointer;
    font-size: 1rem;
    padding: 15px 20px;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    transition: all 0.2s ease;
}

.pergunta label:hover {
    background: #eff6ff;
    border-color: var(--cor-principal);
    color: var(--cor-principal);
}

.pergunta input[type="radio"] {
    margin-right: 10px;
}

.botao-finalizar {
    background-color: var(--cor-principal);
    color: #fff;
    border: none;
    padding: 18px 45px;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 100px;
    cursor: pointer;
    display: block;
    margin: 50px auto 0;
    transition: all 0.3s ease;
}

.botao-finalizar:hover {
    background-color: #1e40af;
    transform: scale(1.05);
}