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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: #1f2937;
  background: #ffffff;
  line-height: 1.6;
}

.container {
  width: min(1100px, 90%);
  margin: 0 auto;
}

.topo {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid #e5e7eb;
}

.topo .container {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-size: 24px;
  font-weight: 800;
}

nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

nav a {
  text-decoration: none;
  color: #1f2937;
  font-weight: 700;
}

.hero {
  min-height: 76vh;
  display: flex;
  align-items: center;
  text-align: center;
  background: linear-gradient(180deg, #eef7f1 0%, #ffffff 100%);
}

.hero h1 {
  font-size: clamp(46px, 8vw, 82px);
  line-height: 1;
  margin: 8px 0 22px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .18em;
  font-weight: 800;
  font-size: 14px;
}

.subtitulo {
  max-width: 760px;
  margin: 0 auto 34px;
  font-size: 21px;
}

.botao {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 10px;
  background: #1f2937;
  color: #ffffff;
  text-decoration: none;
  font-weight: 800;
}

.secao {
  padding: 88px 0;
}

.secao h2 {
  font-size: clamp(32px, 5vw, 46px);
  margin-bottom: 22px;
}

.secao p {
  font-size: 18px;
  max-width: 780px;
}

.fundo-claro {
  background: #f7f8fa;
}

.cards {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 8px 30px rgba(0,0,0,.04);
}

.card h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

footer {
  background: #111827;
  color: #ffffff;
  padding: 32px 0;
  text-align: center;
}

@media (max-width: 760px) {
  .topo .container {
    flex-direction: column;
    justify-content: center;
    padding: 14px 0;
  }

  nav {
    justify-content: center;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 64vh;
  }
}