:root {
    --azul: #00258e;
    --noite: #000a2e;
    --amarelo: #ffb900;
    --texto: #ffffff;
    --suave: #b9c3ea;
    --vidro: rgba(0, 14, 60, .55);
    --borda: rgba(255, 255, 255, .12);
  }
  * { box-sizing: border-box; margin: 0; }
  html { scroll-behavior: smooth; overflow-x: hidden; overflow-x: clip; }
  body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--texto); line-height: 1.6; overflow-x: hidden; overflow-x: clip;
    background: radial-gradient(120% 90% at 70% 30%, #00227f 0%, #00134d 45%, var(--noite) 100%) fixed var(--noite);
  }

  /* cena 3D fica atrás de tudo */
  #cena { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
  main, footer { position: relative; z-index: 1; }

  /* barra de progresso e logo */
  .progresso { position: fixed; top: 0; left: 0; height: 3px; width: 100%; z-index: 3;
    background: var(--amarelo); transform-origin: left; transform: scaleX(0); }
  /* topo: logo centralizada e as três abas */
  .topo { position: fixed; top: 0; left: 0; right: 0; z-index: 4; display: flex; flex-direction: column; align-items: center;
    gap: 6px; padding: 14px 16px 12px; transition: background .4s, backdrop-filter .4s, padding .4s; }
  .topo.compacto { background: rgba(0, 10, 46, .72); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    padding-top: 8px; padding-bottom: 8px; box-shadow: 0 1px 0 var(--borda); }
  .logo { display: block; width: 158px; transition: width .4s; }
  .topo.compacto .logo { width: 104px; }
  .logo img { width: 100%; height: auto; display: block; }
  .abas { display: flex; gap: 6px; }
  .abas a { color: var(--suave); text-decoration: none; font-weight: 600; font-size: .95rem; padding: 8px 18px; border-radius: 999px;
    transition: color .25s, background .25s; white-space: nowrap; }
  .abas a:hover { color: #fff; }
  .abas a.ativa { color: var(--noite); background: var(--amarelo); }
  .abas a:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }

  /* telas */
  .tela { min-height: 100vh; display: flex; align-items: center; padding: 170px 6vw 70px; }
  .texto.largo { max-width: 540px; }
  .texto { max-width: 470px; }
  h1 { font-size: clamp(2.1rem, 5vw, 3.6rem); line-height: 1.08; font-weight: 800; letter-spacing: -.02em; }
  h1 em { font-style: normal; color: var(--amarelo); }
  .hero p { margin: 20px 0 34px; color: var(--suave); font-size: 1.15rem; max-width: 420px; }

  .cartao { background: var(--vidro); border: 1px solid var(--borda); border-radius: 20px; padding: 34px;
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
  h2 { font-size: 1.9rem; line-height: 1.2; margin-bottom: 14px; }
  h2::after { content: ""; display: block; width: 44px; height: 4px; background: var(--amarelo); border-radius: 2px; margin-top: 12px; }
  .cartao > p { color: var(--suave); font-size: 1.08rem; }

  .passos { list-style: none; padding: 0; display: grid; gap: 22px; margin-top: 8px; }
  .passos li { display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: start; }
  .passos .n { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
    background: var(--amarelo); color: var(--noite); font-weight: 800; }
  .passos b { display: block; font-size: 1.08rem; }
  .passos span { color: var(--suave); }

  /* botão principal */
  .botao { display: inline-flex; align-items: center; gap: 10px; background: var(--amarelo); color: var(--noite);
    font-weight: 800; font-size: 1.05rem; text-decoration: none; padding: 16px 30px; border-radius: 999px;
    animation: pulso 2.6s infinite; transition: transform .2s; }
  .botao:hover { transform: translateY(-3px); }
  .botao:focus-visible { outline: 3px solid #fff; outline-offset: 4px; }
  .botao svg { width: 20px; height: 20px; animation: girar 6s linear infinite; }
  .botao:hover svg { animation-duration: 1.2s; }
  @keyframes pulso { 0% { box-shadow: 0 0 0 0 rgba(255,185,0,.5); } 70%, 100% { box-shadow: 0 0 0 18px rgba(255,185,0,0); } }
  @keyframes girar { to { transform: rotate(360deg); } }

  /* dica de rolar */
  .rolar { position: fixed; left: 50%; bottom: 26px; z-index: 2; width: 26px; height: 42px; margin-left: -13px;
    border: 2px solid rgba(255,255,255,.5); border-radius: 14px; transition: opacity .4s; }
  .rolar::after { content: ""; position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px;
    background: var(--amarelo); border-radius: 2px; animation: rolar 1.8s infinite; }
  @keyframes rolar { 0% { transform: translateY(0); opacity: 1; } 80% { transform: translateY(14px); opacity: 0; } 100% { opacity: 0; } }

  /* faixa corrida */
  .faixa { position: relative; z-index: 1; overflow: hidden; padding: 22px 0; transform: rotate(-2deg) scale(1.05);
    background: var(--amarelo); color: var(--noite); }
  .faixa div { display: flex; width: max-content; animation: correr 28s linear infinite; }
  .faixa span { font-weight: 800; font-size: 1.5rem; text-transform: uppercase; letter-spacing: .04em; padding-right: 48px; white-space: nowrap; }
  .faixa span::after { content: "✦"; padding-left: 48px; }
  @keyframes correr { to { transform: translateX(-50%); } }

  /* contato */
  .info { display: grid; gap: 14px; margin: 22px 0 6px; }
  .info b { display: block; color: var(--amarelo); font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; }
  .info span, .info a { color: var(--suave); }
  .info a { text-decoration-color: var(--amarelo); text-underline-offset: 3px; }
  .info a:hover { color: #fff; }
  .info [hidden] { display: none; }
  .contato .botao { margin-top: 22px; }

  /* botão secundário e links */
  .botao.sec { background: transparent; color: #fff; border: 2px solid var(--amarelo); animation: none; padding: 12px 24px; font-size: .98rem; }
  .botao.sec:hover { background: rgba(255,185,0,.14); }
  .link, .info a.link { color: var(--amarelo); font-weight: 600; text-decoration: none; font-size: .92rem; }
  .link:hover { text-decoration: underline; text-underline-offset: 3px; }

  /* quem somos: números e linha do tempo */
  .numeros { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 24px 0 8px; }
  .numeros div { text-align: center; padding: 14px 6px; border-radius: 14px; background: rgba(255,255,255,.05); border: 1px solid var(--borda); }
  .numeros b { display: block; font-size: 1.9rem; line-height: 1.1; color: var(--amarelo); font-weight: 800; }
  .numeros span { font-size: .78rem; color: var(--suave); line-height: 1.3; display: block; margin-top: 4px; }
  .historia { list-style: none; padding: 0; margin: 22px 0 0 8px; border-left: 2px solid rgba(255,185,0,.45); }
  .historia li { position: relative; padding: 0 0 22px 24px; }
  .historia li:last-child { padding-bottom: 0; }
  .historia li::before { content: ""; position: absolute; left: -7px; top: 6px; width: 12px; height: 12px; border-radius: 50%;
    background: var(--amarelo); box-shadow: 0 0 0 4px rgba(255,185,0,.2); }
  .historia b { display: block; font-size: 1.05rem; }
  .historia small { display: block; color: var(--amarelo); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 2px; }
  .historia span { color: var(--suave); }

  /* formulário */
  .ou { margin: 26px 0 12px; padding-top: 22px; border-top: 1px solid var(--borda); font-weight: 700; }
  form { display: grid; gap: 12px; }
  form label { display: grid; gap: 4px; font-size: .85rem; color: var(--suave); }
  form input, form textarea { font: inherit; color: #fff; background: rgba(255,255,255,.07); border: 1px solid var(--borda);
    border-radius: 12px; padding: 11px 14px; width: 100%; resize: vertical; }
  form input:focus, form textarea:focus { outline: 2px solid var(--amarelo); outline-offset: 1px; background: rgba(255,255,255,.1); }
  .isca { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
  #status { min-height: 1.3em; font-size: .92rem; color: var(--suave); }
  #status.ok { color: #7dffb2; }
  #status.erro { color: #ff9b9b; }
  .acoes { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 22px; }
  .acoes .botao { margin: 0 !important; }

  footer { text-align: center; padding: 28px 20px; color: var(--suave); font-size: .9rem; }

  /* aparecer ao rolar */
  .surge { opacity: 0; transform: translateY(40px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
  .surge.visivel { opacity: 1; transform: none; }
  .passos li.surge:nth-child(2), .historia li.surge:nth-child(2) { transition-delay: .15s; }
  .passos li.surge:nth-child(3), .historia li.surge:nth-child(3) { transition-delay: .3s; }

  /* celular: torno em cima, texto embaixo */
  @media (max-width: 820px) {
    .logo { width: 118px; }
    .topo.compacto .logo { width: 86px; }
    .abas a { font-size: .82rem; padding: 7px 11px; }
    .tela { align-items: flex-end; padding: 0 16px 70px; scroll-margin-top: 130px; }   /* o topo fixo não cobre o título ao tocar numa aba */
    .hero { padding-bottom: 96px; }
    .texto { max-width: none; width: 100%; }
    .cartao { padding: 26px; }
    .faixa span { font-size: 1.15rem; }
  }
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
    .surge { opacity: 1; transform: none; }
  }

/* cartões de máquina (catálogo e destaques) */
  .grade { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; }
  .item { text-align: left; font: inherit; color: inherit; cursor: pointer; padding: 0; overflow: hidden; display: flex; flex-direction: column;
    background: var(--vidro); border: 1px solid var(--borda); border-radius: 18px;
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    transition: transform .3s cubic-bezier(.2,.7,.2,1), border-color .3s, box-shadow .3s;
    animation: entra .6s cubic-bezier(.2,.7,.2,1) both; animation-delay: calc(var(--i) * 45ms); }
  .item.pronto { animation: none; }   /* a entrada toca uma vez; filtrar/buscar não repete */
  .item:hover, .item:focus-visible { transform: translateY(-6px); border-color: rgba(255,185,0,.55); box-shadow: 0 16px 36px rgba(0,0,0,.4); outline: none; }
  .item .foto { aspect-ratio: 4 / 3; overflow: hidden; background: #0a1440; }
  .item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s; }
  .item:hover img { transform: scale(1.07); }
  .item .corpo { padding: 14px 16px 16px; display: grid; gap: 3px; }
  .item small { color: var(--amarelo); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 700; }
  .item b { font-size: 1.05rem; line-height: 1.25; }
  .item .preco { color: var(--suave); font-size: .95rem; }
  .item .preco.tem { color: #fff; font-weight: 700; }
  @keyframes entra { from { opacity: 0; transform: translateY(30px); } }

.destaques { max-width: 1060px; width: 100%; margin: 0 auto; }
.destaques .grade { grid-template-columns: repeat(3, 1fr); margin-top: 26px; }
.destaques .sub { color: var(--suave); }
.destaques .botao { margin-top: 30px; }
@media (max-width: 820px) { .destaques .grade { grid-template-columns: 1fr; } }
[hidden] { display: none !important; }
.destaques .item { animation: none; }
.destaques h2, .destaques .sub { text-shadow: 0 2px 16px rgba(0, 10, 46, .95), 0 0 4px rgba(0, 10, 46, .8); }