/* Site publico. Paleta A (ceu e sol) do prototipo. Sem estilo inline nas paginas (CSP). */
:root {
  --p: #1B7AC2; --pt: #135a93; --pd: #17355C; --ac: #FFC83D;
  --bg: #F5F8FC; --soft: #E6F1FB; --warm: #FFF3E6; --card: #ffffff;
  --tx: #1d2a3d; --mu: #4d5a6c; --ln: #dbe3ee;
  --ok: #14663d; --okb: #dff3e8; --wr: #7a4e0f; --wrb: #fff0d6;
  --btn-bg: #135a93; --btn-tx: #ffffff; --sombra: 0 6px 22px rgba(23, 53, 92, .09);
  --raio: 16px; color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --p: #5aa9e6; --pt: #8cc6f5; --pd: #d6e8fb;
    --bg: #0f1824; --soft: #16263b; --warm: #2a2216; --card: #16233a;
    --tx: #e6edf6; --mu: #a9b8cc; --ln: #26364c;
    --ok: #7fd6a6; --okb: #12311f; --wr: #f0c27a; --wrb: #3a2a0e;
    --btn-bg: #5aa9e6; --btn-tx: #0b1a2c; --sombra: 0 6px 22px rgba(0, 0, 0, .35); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --p: #5aa9e6; --pt: #8cc6f5; --pd: #d6e8fb;
  --bg: #0f1824; --soft: #16263b; --warm: #2a2216; --card: #16233a;
  --tx: #e6edf6; --mu: #a9b8cc; --ln: #26364c;
  --ok: #7fd6a6; --okb: #12311f; --wr: #f0c27a; --wrb: #3a2a0e;
  --btn-bg: #5aa9e6; --btn-tx: #0b1a2c; --sombra: 0 6px 22px rgba(0, 0, 0, .35); color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--tx); line-height: 1.6; overflow-wrap: anywhere;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif; }
h1, h2, h3 { color: var(--pd); line-height: 1.2; letter-spacing: -.01em; margin: 0; }
h1 { font-size: clamp(1.75rem, 6.5vw, 2.9rem); font-weight: 800; }
h2 { font-size: clamp(1.4rem, 4.5vw, 2rem); font-weight: 800; }
h3 { font-size: 1.1rem; font-weight: 800; }
p { margin: 0; }
a { color: var(--pt); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--p); outline-offset: 3px; border-radius: 6px; }
[hidden] { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.pular { position: absolute; left: .5rem; top: -4rem; background: var(--pd); color: var(--bg); padding: .6rem 1rem; border-radius: 8px; z-index: 50; }
.pular:focus { top: .5rem; }
.wrap { width: 100%; max-width: 72rem; margin: 0 auto; padding: 0 1rem; }
.secao { padding: 3.2rem 0; }
.secao.alt { background: var(--soft); }
.intro { color: var(--mu); margin-top: .6rem; max-width: 42rem; }
.grade { display: grid; gap: 1rem; margin-top: 1.6rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 15.5rem), 1fr)); }
.card { background: var(--card); border: 1px solid var(--ln); border-radius: var(--raio); padding: 1.2rem; box-shadow: var(--sombra); min-width: 0; }
.card p { color: var(--mu); margin-top: .45rem; }

/* topo */
.topo { background: var(--card); border-bottom: 1px solid var(--ln); position: sticky; top: 0; z-index: 20; }
.topo .wrap { display: flex; align-items: center; gap: .4rem 1rem; flex-wrap: wrap; padding-top: .5rem; padding-bottom: .5rem; }
.logo { display: inline-flex; align-items: center; gap: .55rem; font-weight: 800; color: var(--pd); text-decoration: none; min-height: 2.75rem; }
.logo svg { width: 2rem; height: 2rem; flex: none; }
.menu { display: flex; flex-wrap: wrap; gap: .1rem .3rem; margin-left: auto; align-items: center; }
.menu a { color: var(--tx); text-decoration: none; padding: .5rem .6rem; border-radius: 10px; font-weight: 600; min-height: 2.75rem; display: inline-flex; align-items: center; }
.menu a:hover { background: var(--soft); }
.menu a[aria-current="page"] { color: var(--pt); background: var(--soft); }
.btn-tema { background: transparent; border: 1px solid var(--ln); color: var(--tx); border-radius: 999px; min-height: 2.75rem; padding: 0 .9rem; font: inherit; font-weight: 600; cursor: pointer; }
.btn-tema:hover { background: var(--soft); }

/* botoes */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 3rem; padding: .7rem 1.3rem; border-radius: 999px; font: inherit; font-weight: 800; text-decoration: none; cursor: pointer; border: 2px solid transparent; text-align: center; }
.btn.prim { background: var(--btn-bg); color: var(--btn-tx); }
.btn.prim:hover { filter: brightness(1.1); }
.btn.sec { background: transparent; color: var(--pt); border-color: var(--pt); }
.btn.sec:hover { background: var(--soft); }
.linha-btn { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.4rem; }

/* hero */
.hero { padding: 2.4rem 0 3rem; background: linear-gradient(180deg, var(--soft), var(--bg)); }
.hero .wrap { display: grid; gap: 2rem; align-items: center; grid-template-columns: minmax(0, 1fr); }
.hero .lead { margin-top: 1rem; font-size: 1.12rem; color: var(--mu); max-width: 38rem; }
.selo { display: inline-block; margin-bottom: 1rem; background: var(--wrb); color: var(--wr); font-weight: 700; font-size: .85rem; padding: .25rem .8rem; border-radius: 999px; }
.hero svg.ilus { width: 100%; height: auto; max-width: 28rem; justify-self: center; }
@media (min-width: 60rem) { .hero .wrap { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); } }

/* etiquetas de estado (texto, nunca so cor) */
.tag { display: inline-block; font-size: .78rem; font-weight: 800; padding: .1rem .6rem; border-radius: 999px; }
.tag.proto { background: var(--okb); color: var(--ok); }
.tag.dev { background: var(--soft); color: var(--pt); border: 1px solid var(--pt); }
.tag.breve { background: var(--wrb); color: var(--wr); }

/* passos */
.passos { list-style: none; counter-reset: p; padding: 0; margin: 1.6rem 0 0; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 15.5rem), 1fr)); }
.passos li { counter-increment: p; position: relative; padding-top: 3.4rem; }
.passos li::before { content: counter(p); position: absolute; top: 1rem; left: 1.2rem; width: 2.2rem; height: 2.2rem; border-radius: 50%; background: var(--ac); color: #17355C; font-weight: 800; display: grid; place-items: center; }
.passos .tag { margin-top: .7rem; }

/* duas colunas */
.duas { display: grid; gap: 1rem; margin-top: 1.6rem; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 48rem) { .duas { grid-template-columns: 1fr 1fr; } }
.lista { margin: .8rem 0 0; padding-left: 1.2rem; color: var(--mu); }
.lista li { margin: .35rem 0; }
.lista li::marker { color: var(--p); }

/* tabela de estado */
.tabela { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--ln); margin-top: 1.6rem; }
.tabela th, .tabela td { text-align: left; padding: .7rem .8rem; border-bottom: 1px solid var(--ln); vertical-align: top; }
.tabela th { background: var(--soft); color: var(--pd); }
.tabela tr:last-child td { border-bottom: 0; }
@media (max-width: 40rem) {
  .tabela, .tabela tbody, .tabela tr, .tabela td { display: block; width: 100%; }
  .tabela thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .tabela tr { padding: .6rem 0; border-bottom: 1px solid var(--ln); }
  .tabela td { border: 0; padding: .15rem .8rem; }
}

/* preco */
.preco { background: var(--warm); border: 2px dashed var(--ac); border-radius: var(--raio); padding: 1.4rem; margin-top: 1.6rem; }
.preco p { color: var(--tx); margin-top: .5rem; max-width: 44rem; }

/* faq */
details { background: var(--card); border: 1px solid var(--ln); border-radius: 14px; margin-top: .7rem; }
summary { cursor: pointer; padding: .9rem 1.1rem; font-weight: 700; color: var(--pd); min-height: 3rem; }
details[open] summary { border-bottom: 1px solid var(--ln); }
details p { padding: .9rem 1.1rem 1.1rem; color: var(--mu); }

/* formulario */
.form { display: grid; gap: 1rem; margin-top: 1.4rem; max-width: 30rem; }
.form label { font-weight: 700; display: block; margin-bottom: .3rem; }
.form input { width: 100%; min-height: 3rem; padding: .6rem .9rem; border: 2px solid var(--ln); border-radius: 12px; background: var(--card); color: var(--tx); font: inherit; }
.form input:focus-visible { outline-offset: 1px; border-color: var(--p); }
.dica { color: var(--mu); font-size: .92rem; margin-top: .3rem; }
.aviso { margin-top: 1rem; padding: .8rem 1rem; border-radius: 12px; max-width: 30rem; }
.aviso:empty { display: none; }
.aviso.ok { background: var(--okb); color: var(--ok); }
.aviso.erro { background: var(--wrb); color: var(--wr); }

/* rodape */
.rodape { background: var(--card); border-top: 1px solid var(--ln); padding: 2rem 0; color: var(--mu); }
.rodape .wrap { display: grid; gap: .8rem; }
.rodape nav { display: flex; flex-wrap: wrap; gap: .3rem 1rem; }
.rodape nav a { min-height: 2.75rem; display: inline-flex; align-items: center; }

/* instalar */
.aparelho { background: var(--card); border: 2px solid var(--ln); border-radius: var(--raio); padding: 1.3rem; margin-top: 1.2rem; display: grid; gap: 1.2rem; grid-template-columns: minmax(0, 1fr); }
.aparelho.aparelho-atual { border-color: var(--p); box-shadow: 0 0 0 4px var(--soft), var(--sombra); }
.aparelho .ilus-inst { width: 100%; max-width: 15rem; height: auto; justify-self: center; }
.seu-aparelho { display: inline-block; background: var(--ac); color: #17355C; font-weight: 800; font-size: .82rem; padding: .1rem .7rem; border-radius: 999px; margin-left: .5rem; vertical-align: middle; }
.aparelho ol { margin: .8rem 0 0; padding-left: 1.3rem; }
.aparelho li { margin: .5rem 0; }
.faixa { background: var(--soft); border: 1px solid var(--ln); border-radius: 12px; padding: .9rem 1rem; margin-top: 1.2rem; }
@media (min-width: 48rem) { .aparelho { grid-template-columns: 15rem minmax(0, 1fr); align-items: center; } }

/* svg com tema */
.sv-fundo { fill: var(--card); stroke: var(--pd); stroke-width: 2.5; }
.sv-p { fill: var(--p); }
.sv-ac { fill: var(--ac); }
.sv-soft { fill: var(--soft); }
.sv-tx { fill: var(--pd); font: 700 11px "Segoe UI", system-ui, sans-serif; }
.sv-mu { fill: var(--mu); font: 11px "Segoe UI", system-ui, sans-serif; }
.sv-traco { stroke: var(--pd); fill: none; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.sv-dest { stroke: var(--p); fill: none; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.sv-anel { fill: none; stroke: var(--ac); stroke-width: 5; }

/* texto longo (privacidade) */
.faixa-rascunho { background: #b3261e; color: #fff; text-align: center; padding: .7rem 1rem; font-weight: 800; }
.aviso-rascunho { background: var(--wrb); color: var(--wr); text-align: center; padding: .6rem 1rem; font-size: .9rem; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media (prefers-reduced-motion: no-preference) {
  .btn, .menu a, .btn-tema { transition: background-color .15s, filter .15s; }
  .hero .flutua { animation: flutua 5s ease-in-out infinite; }
  @keyframes flutua { 50% { transform: translateY(-5px); } }
}
@media print { .topo, .btn-tema { display: none; } }

/* ---- botoes de acao (testar / instalar) ---- */
.btn.grande { min-height: 3.5rem; padding: .8rem 1.6rem; font-size: 1.1rem; }
.btn.desativado, .btn[disabled] { flex-direction: column; gap: .1rem; background: var(--soft); color: var(--mu); border: 2px dashed var(--mu); cursor: not-allowed; filter: none; }
.btn.desativado .em-breve { font-size: .8rem; font-weight: 700; }
.passo-unico { background: var(--card); border: 3px solid var(--p); border-radius: var(--raio); padding: 1.4rem; margin-top: 1.2rem; box-shadow: 0 0 0 5px var(--soft), var(--sombra); }
.passo-unico h2 { margin-top: .2rem; }
.passo-unico p { margin-top: .6rem; }
.passo-unico .linha-btn { margin-top: 1rem; }
.sub-titulo { margin-top: 2rem; font-size: 1.3rem; }