:root {
  --fundo: #19191b;
  --superficie: #222224;
  --superficie-2: #2a2a2d;
  --borda: rgba(255, 255, 255, 0.08);
  --texto: #f5f5f7;
  --texto-2: #d1d1d6;
  --texto-suave: #a8a8ae;
  --acento: #00796b;
  --acento-hover: #00897b;
  --acento-claro: #4db6ac;
  --raio: 18px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--fundo);
  color: var(--texto);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI Variable", "Segoe UI", Inter, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.topo {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 24px;
  background: rgba(25, 25, 27, 0.8);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
}

.marca {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 17px;
  text-decoration: none;
}

.marca img { border-radius: 7px; }

.topo__links { display: flex; gap: 22px; font-size: 14px; }
.topo__links a { color: var(--texto-suave); text-decoration: none; }
.topo__links a:hover { color: var(--texto); }

main { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 72px 0 48px;
  text-align: center;
}

.hero__icone {
  border-radius: 22px;
  box-shadow: 0 16px 40px rgba(0, 121, 107, 0.35);
}

h1 {
  margin: 28px 0 16px;
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.035em;
}

.hero__lead {
  max-width: 620px;
  margin: 0;
  color: var(--texto-suave);
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.45;
}

.baixar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 36px;
}

.botao {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 28px;
  border-radius: 14px;
  font-size: 17px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s ease, transform 0.15s ease, opacity 0.15s ease;
}

.botao:active { transform: scale(0.98); }

.botao--principal { background: var(--acento); color: #fff; }
.botao--principal:hover { background: var(--acento-hover); }

.botao--secundario { color: var(--acento-claro); }
.botao--secundario:hover { text-decoration: underline; }

.botao--linha {
  min-height: 44px;
  margin-top: auto;
  border: 1px solid var(--borda);
  background: var(--superficie-2);
  font-size: 15px;
}

.botao--linha:hover { background: #333336; }

.botao[aria-disabled="true"] { opacity: 0.45; pointer-events: none; }

.botao__icone svg { width: 20px; height: 20px; display: block; fill: currentColor; }

.hero__meta { margin: 16px 0 0; color: var(--texto-suave); font-size: 14px; }

.janela {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--borda);
  border-radius: 14px;
  background: var(--superficie);
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.janela__barra { display: flex; gap: 8px; padding: 12px 14px; background: #1f1f21; }
.janela__barra i { width: 12px; height: 12px; border-radius: 50%; background: #3a3a3c; }
.janela__barra i:nth-child(1) { background: #ff5f57; }
.janela__barra i:nth-child(2) { background: #febc2e; }
.janela__barra i:nth-child(3) { background: #28c840; }

.janela img { display: block; width: 100%; height: auto; }

.recursos, .instalar { padding: 120px 0 0; }

h2 {
  margin: 0 0 40px;
  font-size: clamp(30px, 4.5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.03em;
  text-align: center;
}

.grade {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.grade--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.cartao {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 28px;
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  background: var(--superficie);
}

.cartao h3 { margin: 6px 0 0; font-size: 19px; font-weight: 600; letter-spacing: -0.01em; }
.cartao p { margin: 0; color: var(--texto-suave); font-size: 15px; }

.cartao__icone {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: rgba(0, 121, 107, 0.18);
  color: var(--acento-claro);
  font-size: 20px;
}

.vitrine {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.instalar__lead {
  max-width: 680px;
  margin: -20px auto 40px;
  color: var(--texto-suave);
  text-align: center;
}

.cartao--passos ol {
  margin: 4px 0 0;
  padding-left: 20px;
  color: var(--texto-2);
  font-size: 15px;
}

.cartao--passos li { margin: 6px 0; }
.cartao--passos b { color: var(--texto); font-weight: 600; }
.nota { margin: 4px 0 16px !important; font-size: 13px !important; }

.rodape {
  display: flex;
  justify-content: space-between;
  max-width: 1120px;
  margin: 120px auto 0;
  padding: 28px 24px 40px;
  border-top: 1px solid var(--borda);
  color: var(--texto-suave);
  font-size: 13px;
}

.rodape a { text-decoration: none; }
.rodape a:hover { color: var(--texto); }

@media (max-width: 860px) {
  .grade, .grade--2, .vitrine { grid-template-columns: 1fr; }
  .topo__links a:not(:last-child) { display: none; }
  .hero { padding-top: 48px; }
}