/* Página de download do BRV Atlas (/baixar/). Mesmas cores e fontes do app. */

:root {
    --fundo: #0a0e1a;
    --cartao: rgba(26, 34, 53, 0.72);
    --cartao-forte: rgba(21, 27, 45, 0.92);
    --ciano: #00f0ff;
    --roxo: #b800ff;
    --verde: #00ff88;
    --ambar: #ffaa00;
    --texto: #e8f0ff;
    --texto-2: #8b9dc3;
    --borda: rgba(0, 240, 255, 0.15);
    --borda-forte: rgba(0, 240, 255, 0.35);
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    font-family: 'Rajdhani', sans-serif;
    font-size: 17px;
    line-height: 1.5;
    color: var(--texto);
    background: var(--fundo);
}

/* Fundo da marca numa camada fixa atrás do conteúdo (background-attachment: fixed pesa e
   falha em celular) */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(900px 520px at 8% -10%, rgba(0, 240, 255, 0.14), transparent 60%),
        radial-gradient(800px 600px at 105% 105%, rgba(184, 0, 255, 0.16), transparent 60%),
        linear-gradient(rgba(0, 240, 255, 0.035) 1px, transparent 1px) 0 0 / 48px 48px,
        linear-gradient(90deg, rgba(0, 240, 255, 0.035) 1px, transparent 1px) 0 0 / 48px 48px;
}

a {
    color: var(--ciano);
}

b {
    color: var(--texto);
    font-weight: 700;
}

code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85em;
}

[hidden] {
    display: none !important;
}

/* ---------- Topo ---------- */

.topo {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    max-width: 1080px;
    margin: 0 auto;
    padding: 18px 16px;
}

.marca {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--texto);
    font-family: 'Orbitron', sans-serif;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 2px;
}

.marca img {
    border-radius: 10px;
}

.marca b {
    color: var(--ciano);
}

.topo-link {
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}

.topo-link:hover {
    text-decoration: underline;
}

/* ---------- Abertura ---------- */

.pagina {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 16px 48px;
}

.abertura {
    padding: 40px 0 8px;
    text-align: center;
}

.sobretitulo {
    font-family: 'Orbitron', sans-serif;
    font-size: 13px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--ciano);
}

h1 {
    margin-top: 10px;
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(30px, 6vw, 52px);
    font-weight: 900;
    letter-spacing: 1px;
    text-shadow: 0 0 28px rgba(0, 240, 255, 0.35);
}

.chamada {
    max-width: 620px;
    margin: 14px auto 0;
    font-size: 19px;
    color: var(--texto-2);
}

.aviso-plataforma {
    max-width: 680px;
    margin: 22px auto 0;
    padding: 12px 16px;
    border: 1px solid rgba(255, 170, 0, 0.45);
    border-radius: 12px;
    background: rgba(255, 170, 0, 0.08);
    color: var(--texto);
    font-weight: 600;
}

.cartao-principal {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 20px;
    max-width: 860px;
    margin: 30px auto 0;
    padding: 24px 26px;
    text-align: left;
    background: var(--cartao-forte);
    border: 1px solid var(--borda-forte);
    border-radius: 18px;
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.cartao-principal__icone {
    display: grid;
    place-items: center;
    width: 64px;
    height: 64px;
    border-radius: 16px;
    color: var(--ciano);
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid var(--borda);
}

.cartao-principal h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 19px;
    letter-spacing: 1px;
}

.meta {
    margin-top: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--texto-2);
}

.nota {
    margin-top: 6px;
    font-size: 15px;
    color: var(--texto-2);
}

.verificar {
    grid-column: 1 / -1;
    font-size: 15px;
    color: var(--texto-2);
    border-top: 1px solid var(--borda);
    padding-top: 12px;
}

.verificar summary {
    cursor: pointer;
    color: var(--ciano);
    font-weight: 600;
}

.verificar p {
    margin-top: 8px;
}

.hash {
    display: block;
    margin-top: 8px;
    padding: 10px 12px;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.35);
    color: var(--texto);
    overflow-wrap: anywhere;
}

/* ---------- Botões ---------- */

.botao {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 12px 24px;
    border-radius: 12px;
    font-family: 'Orbitron', sans-serif;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    white-space: nowrap;
    transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.botao--principal {
    color: #0a0e1a;
    background: linear-gradient(135deg, var(--ciano), var(--roxo));
    box-shadow: 0 0 22px rgba(0, 240, 255, 0.35);
}

.botao--principal:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 32px rgba(0, 240, 255, 0.5);
}

.botao--secundario {
    color: var(--ciano);
    background: rgba(0, 240, 255, 0.06);
    border: 1px solid var(--borda-forte);
    text-transform: none;
    font-family: 'Rajdhani', sans-serif;
    font-size: 17px;
    letter-spacing: 0;
}

.botao--secundario:hover {
    background: rgba(0, 240, 255, 0.12);
}

.botao:focus-visible,
.topo-link:focus-visible,
.marca:focus-visible,
summary:focus-visible {
    outline: 2px solid var(--ciano);
    outline-offset: 3px;
}

/* ---------- Seções ---------- */

.secao {
    margin-top: 64px;
}

.titulo-secao {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(20px, 3.4vw, 26px);
    letter-spacing: 1px;
}

.secao-chamada {
    margin-top: 6px;
    color: var(--texto-2);
}

.grade-opcoes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 20px;
}

.grade-duas {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.opcao {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 22px;
    background: var(--cartao);
    border: 1px solid var(--borda);
    border-radius: 16px;
}

.opcao h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 15px;
    letter-spacing: 1px;
    color: var(--ciano);
}

.opcao p {
    color: var(--texto-2);
}

.opcao .botao {
    margin-top: auto;
    align-self: flex-start;
}

/* A opção que serve para o aparelho de quem está vendo a página */
.opcao.em-destaque {
    border-color: var(--borda-forte);
    box-shadow: 0 0 28px rgba(0, 240, 255, 0.16);
}

.passos-curtos {
    padding-left: 20px;
    color: var(--texto-2);
}

.passos-curtos li + li {
    margin-top: 4px;
}

.observacao {
    margin-top: 14px;
    font-size: 15px;
    color: var(--texto-2);
}

/* Passo a passo numerado */
.passos {
    list-style: none;
    counter-reset: passo;
    display: grid;
    gap: 12px;
    margin-top: 20px;
}

.passos li {
    counter-increment: passo;
    position: relative;
    padding: 18px 20px 18px 74px;
    background: var(--cartao);
    border: 1px solid var(--borda);
    border-radius: 14px;
}

.passos li::before {
    content: counter(passo);
    position: absolute;
    left: 20px;
    top: 18px;
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    color: #0a0e1a;
    background: var(--ciano);
    box-shadow: 0 0 14px rgba(0, 240, 255, 0.45);
}

.passos h3 {
    font-size: 19px;
    font-weight: 700;
}

.passos p {
    margin-top: 2px;
    color: var(--texto-2);
}

.passos .passo-aviso {
    border-color: rgba(255, 170, 0, 0.4);
}

.passos .passo-aviso::before {
    background: var(--ambar);
    box-shadow: 0 0 14px rgba(255, 170, 0, 0.45);
}

/* Vídeos */
.grade-videos {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 20px;
}

.video {
    background: var(--cartao);
    border: 1px solid var(--borda);
    border-radius: 14px;
    overflow: hidden;
}

.video--destaque {
    grid-column: 1 / -1;
}

.video video {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
}

.video figcaption {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 14px;
    font-weight: 600;
}

.video figcaption .video-duracao {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--texto-2);
    white-space: nowrap;
}

/* Ajuda e rodapé */
.ajuda {
    margin-top: 64px;
    padding: 32px 20px;
    text-align: center;
    background: var(--cartao);
    border: 1px solid var(--borda);
    border-radius: 18px;
}

.ajuda h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 22px;
}

.ajuda p {
    margin: 6px 0 18px;
    color: var(--texto-2);
}

.rodape {
    padding: 28px 16px 40px;
    text-align: center;
    font-size: 14px;
    color: var(--texto-2);
    border-top: 1px solid var(--borda);
}

.rodape p + p {
    margin-top: 4px;
    font-family: 'Orbitron', sans-serif;
    font-size: 12px;
    letter-spacing: 2px;
}

/* ---------- Telas menores ---------- */

@media (max-width: 860px) {
    .cartao-principal {
        grid-template-columns: auto 1fr;
    }

    .cartao-principal .botao--principal {
        grid-column: 1 / -1;
    }

    .grade-opcoes,
    .grade-videos {
        grid-template-columns: 1fr 1fr;
    }

    .grade-opcoes .opcao:first-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 560px) {
    body {
        font-size: 16px;
    }

    .abertura {
        padding-top: 24px;
    }

    .cartao-principal {
        grid-template-columns: 1fr;
        padding: 20px 18px;
    }

    .cartao-principal__icone {
        width: 52px;
        height: 52px;
    }

    .grade-opcoes,
    .grade-videos,
    .grade-duas {
        grid-template-columns: 1fr;
    }

    .botao {
        width: 100%;
        white-space: normal;
    }

    .opcao .botao {
        align-self: stretch;
    }

    .passos li {
        padding: 16px 16px 16px 64px;
    }

    .passos li::before {
        left: 16px;
        width: 32px;
        height: 32px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .botao {
        transition: none;
    }
}