/* fontes e cores do próprio app (trompete/src/index.css e tailwind.config.js) */
  @font-face { font-family: "Bricolage"; src: url(fonts/bricolage-grotesque-latin-wght-normal.woff2) format("woff2"); font-weight: 200 800; font-display: swap; }
  @font-face { font-family: "Instrument Sans"; src: url(fonts/instrument-sans-latin-wght-normal.woff2) format("woff2"); font-weight: 400 700; font-display: swap; }
  @font-face { font-family: "Instrument Serif"; src: url(fonts/instrument-serif-latin-400-italic.woff2) format("woff2"); font-style: italic; font-display: swap; }
  :root {
    --bg: #F6F4EE; --ink: #25291C; --card: #FCFBF8; --muted: #5E5B53; --line: #DAD6CC; --soft: #EBE8E0;
    --brass: #E6E49F; --brass-ink: #6B6A1E; --brass-soft: #EFEDC4;
    --raio: 22px; --largura: 1120px;
  }
  * { box-sizing: border-box; margin: 0; }
  html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
  body { background: var(--bg); color: var(--ink); font: 17px/1.5 "Instrument Sans", system-ui, sans-serif; font-feature-settings: "ss01", "cv11"; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
  img { display: block; max-width: 100%; }
  a { color: inherit; }
  .disp { font-family: "Bricolage", system-ui, sans-serif; letter-spacing: -0.035em; font-weight: 800; line-height: 1.02; }
  .serif { font-family: "Instrument Serif", Georgia, serif; font-style: italic; font-weight: 400; letter-spacing: -0.01em; }
  .marcador { background: linear-gradient(transparent 60%, var(--brass) 60%, var(--brass) 92%, transparent 92%); padding: 0 .08em; }
  .caixa { width: min(var(--largura), 100% - 32px); margin-inline: auto; }

  /* topo */
  .topo { position: sticky; top: 0; z-index: 20; background: rgba(246,244,238,.86); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid transparent; transition: border-color .2s; padding-top: env(safe-area-inset-top); }
  .topo.rolou { border-color: var(--line); }
  .topo .caixa { display: flex; align-items: center; justify-content: space-between; height: 60px; }
  .marca { display: flex; align-items: center; gap: 9px; font-size: 21px; text-decoration: none; }
  .marca svg { width: 28px; height: 28px; }
  .topo nav { display: flex; align-items: center; gap: 22px; font-size: 15px; }
  .topo nav a.link { text-decoration: none; color: var(--muted); }
  .topo nav a.link:hover { color: var(--ink); }
  @media (max-width: 640px) { .topo nav a.link { display: none; } }

  /* botões */
  .btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; height: 54px; padding: 0 26px; border-radius: 999px; font-weight: 600; font-size: 17px; text-decoration: none; transition: transform .15s, background .15s; white-space: nowrap; }
  .btn:active { transform: scale(.97); }
  .btn svg { width: 20px; height: 20px; }
  .btn.prim { background: var(--ink); color: var(--brass); }
  .btn.prim:hover { background: #33392a; }
  .btn.sec { background: transparent; color: var(--ink); border: 1.5px solid var(--line); }
  .btn.sec:hover { border-color: var(--ink); }
  .btn.peq { height: 40px; padding: 0 18px; font-size: 15px; }
  .acoes { display: flex; flex-wrap: wrap; gap: 12px; }
  /* selo oficial da Apple (toolbox.marketingtools.apple.com), sem alterar: só a altura, acima do mínimo de 40 px */
  .selo-loja { display: inline-flex; align-items: center; border-radius: 10px; transition: transform .15s; }
  .selo-loja:active { transform: scale(.97); }
  .selo-loja img { height: 54px; width: auto; }
  .nota-cta { font-size: 14px; color: var(--muted); margin-top: 12px; }

  /* celular */
  .celular { aspect-ratio: 390 / 844; border-radius: 34px; padding: 7px; background: var(--ink); box-shadow: 0 24px 60px rgba(37,41,28,.22), 0 6px 16px rgba(37,41,28,.12); }
  .celular img { width: 100%; height: 100%; object-fit: cover; object-position: top; border-radius: 28px; background: var(--card); }

  /* hero */
  .hero { padding: 48px 0 24px; }
  .hero .grade { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; }
  .selo { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 6px 14px; margin-bottom: 22px; }
  .selo i { width: 8px; height: 8px; border-radius: 50%; background: var(--brass-ink); }
  .hero h1 { font-size: clamp(42px, 5.2vw, 64px); }
  .hero p.sub { font-size: clamp(18px, 1.6vw, 21px); color: var(--muted); margin: 22px 0 30px; max-width: 34ch; }
  .hero p.sub b { color: var(--ink); font-weight: 600; }
  .dupla { position: relative; height: 650px; }
  .dupla .celular { position: absolute; width: 250px; }
  .dupla .c1 { left: 2%; top: 10px; transform: rotate(-4deg); z-index: 2; }
  .dupla .c2 { right: 0; top: 80px; transform: rotate(5deg); }
  @media (max-width: 860px) {
    .hero { padding-top: 28px; }
    .hero .grade { grid-template-columns: 1fr; gap: 28px; }
    .dupla { height: 480px; }
    .dupla .celular { width: 180px; }
    .dupla .c1 { left: calc(50% - 172px); }
    .dupla .c2 { right: calc(50% - 172px); top: 60px; }
  }

  /* faixa de garantias */
  .faixa { display: flex; flex-wrap: wrap; gap: 10px 26px; justify-content: center; padding: 26px 0 8px; color: var(--muted); font-size: 15px; }
  .faixa span { display: inline-flex; align-items: center; gap: 8px; }
  .faixa svg { width: 18px; height: 18px; stroke: var(--brass-ink); }

  section.bloco { padding: 84px 0; }
  .titulo { font-size: clamp(34px, 4.4vw, 52px); }
  .rotulo { font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--brass-ink); margin-bottom: 14px; }
  .intro { font-size: 19px; color: var(--muted); margin-top: 14px; max-width: 46ch; }

  /* como funciona */
  .passos { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 40px; list-style: none; padding: 0; }
  .passos li { background: var(--card); border: 1px solid var(--line); border-radius: var(--raio); padding: 24px 22px; }
  .passos .n { width: 40px; height: 40px; border-radius: 50%; background: var(--brass); display: grid; place-items: center; font: 800 19px "Bricolage", sans-serif; margin-bottom: 16px; }
  .passos b { display: block; font-size: 18px; margin-bottom: 6px; line-height: 1.3; }
  .passos span { color: var(--muted); font-size: 15.5px; }
  @media (max-width: 900px) { .passos { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 560px) { .passos { grid-template-columns: 1fr; } }

  /* recursos com tela */
  .recurso { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 36px 0; }
  .recurso + .recurso { border-top: 1px solid var(--line); }
  .recurso .celular { width: min(290px, 70vw); margin-inline: auto; }
  .recurso:nth-child(even) .tela { order: 2; }
  .recurso h3 { font-size: clamp(30px, 3.4vw, 42px); }
  .recurso p { color: var(--muted); font-size: 18px; margin-top: 14px; max-width: 38ch; }
  .recurso ul { list-style: none; padding: 0; margin-top: 20px; display: grid; gap: 10px; }
  .recurso li { display: flex; gap: 10px; align-items: flex-start; font-size: 16.5px; }
  .recurso li svg { flex: none; width: 20px; height: 20px; margin-top: 3px; stroke: var(--brass-ink); }
  @media (max-width: 760px) {
    .recurso { grid-template-columns: 1fr; gap: 28px; padding: 28px 0; }
    .recurso:nth-child(even) .tela { order: 0; }
    .recurso .celular { width: 240px; }
  }

  /* grade de extras */
  .extras { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 36px; }
  .extra { background: var(--card); border: 1px solid var(--line); border-radius: var(--raio); padding: 22px; }
  .extra svg { width: 26px; height: 26px; stroke: var(--ink); margin-bottom: 14px; }
  .extra b { display: block; font-size: 17.5px; }
  .extra span { display: block; color: var(--muted); font-size: 15.5px; margin-top: 4px; }
  @media (max-width: 860px) { .extras { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 520px) { .extras { grid-template-columns: 1fr; } }

  /* professor */
  .prof { background: var(--ink); color: var(--bg); border-radius: 36px; padding: 64px 56px; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; overflow: hidden; }
  .prof .rotulo { color: var(--brass); }
  .prof .titulo em { color: var(--brass); }
  .prof p { color: rgba(246,244,238,.75); font-size: 18px; margin-top: 16px; max-width: 40ch; }
  .prof ul { list-style: none; padding: 0; margin: 24px 0 30px; display: grid; gap: 10px; }
  .prof li { display: flex; gap: 10px; font-size: 16.5px; }
  .prof li svg { flex: none; width: 20px; height: 20px; margin-top: 3px; stroke: var(--brass); }
  .prof .btn.prim { background: var(--brass); color: var(--ink); }
  .prof .btn.prim:hover { background: #f0eeb4; }
  .prof .telas { position: relative; height: 520px; }
  .prof .telas .celular { position: absolute; width: 230px; background: #0f110b; box-shadow: 0 24px 60px rgba(0,0,0,.4); }
  .prof .telas .p1 { left: 4%; top: 0; transform: rotate(-3deg); z-index: 2; }
  .prof .telas .p2 { right: 2%; top: 12%; transform: rotate(4deg); }
  @media (max-width: 900px) {
    .prof { grid-template-columns: 1fr; padding: 44px 24px; border-radius: 28px; }
    .prof .telas { height: 420px; }
    .prof .telas .celular { width: 185px; }
    .prof .telas .p1 { left: calc(50% - 175px); }
    .prof .telas .p2 { right: calc(50% - 175px); }
  }

  /* perguntas */
  /* perguntas: compacto, sem ocupar a página; duas colunas no computador */
  section.bloco.perguntas { padding: 8px 0 8px; }
  #avancado { padding-bottom: 40px; }
  .perguntas h2 { font-size: 22px; margin-bottom: 12px; }
  .faq { display: grid; gap: 6px 12px; grid-template-columns: 1fr 1fr; align-items: start; }
  @media (max-width: 760px) { .faq { grid-template-columns: 1fr; } }
  .faq details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 0 14px; }
  .faq summary { cursor: pointer; list-style: none; padding: 10px 0; font-weight: 600; font-size: 15px; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
  .faq summary::-webkit-details-marker { display: none; }
  .faq summary::after { content: "+"; font: 400 20px/1 "Instrument Sans", sans-serif; color: var(--muted); transition: transform .2s; }
  .faq details[open] summary::after { transform: rotate(45deg); }
  .faq p { color: var(--muted); padding: 0 0 12px; font-size: 14.5px; line-height: 1.45; }

  /* chamada final */
  .final { text-align: center; padding: 56px 0 72px; }
  .final .titulo { max-width: 16ch; margin-inline: auto; }
  .final p { color: var(--muted); font-size: 19px; margin: 18px auto 30px; max-width: 40ch; }
  .final .acoes { justify-content: center; }

  footer { border-top: 1px solid var(--line); padding: 28px 0 calc(28px + env(safe-area-inset-bottom)); color: var(--muted); font-size: 14px; }
  footer .caixa { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; align-items: center; }
  footer .marca { font-size: 17px; color: var(--ink); }
  footer .marca svg { width: 22px; height: 22px; }

  /* entrada suave ao rolar */
  .surge { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
  .surge.visto { opacity: 1; transform: none; }
  @media (prefers-reduced-motion: reduce) { .surge { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

  /* chamada curta para a página dos professores */
  .faixa-prof .caixa { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 24px; background: var(--brass-soft); border-radius: var(--raio); padding: 20px 24px; }
  .faixa-prof span { display: flex; align-items: center; gap: 10px; font-size: 17px; }
  .faixa-prof svg { width: 22px; height: 22px; flex: none; }
  .faixa-prof .btn.sec { border-color: rgba(37,41,28,.25); background: var(--card); }