* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  background-color: #f5f5f5;
  color: #333;
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: inline-block;
}

a {
  word-break: break-word;
}

header.container-cabecalho {
  background-color: #1e1e2f;
  color: white;
  text-align: center;
  padding: clamp(1.5rem, 5vw, 3rem) 1rem;
}

header.container-cabecalho img {
  width: clamp(64px, 14vw, 90px);
  margin-bottom: 0.75rem;
}

.container-cabecalho h1 {
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  margin-bottom: 0.3rem;
  line-height: 1.2;
}

.container-cabecalho p {
  max-width: 720px;
  margin: 0 auto;
  font-size: clamp(0.95rem, 2.5vw, 1.1rem);
  opacity: 0.85;
}

nav.container-navegacao {
  position: sticky;
  top: 0;
  z-index: 10;
  background-color: #29293d;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 2rem;
  padding: 1rem;
}

nav.container-navegacao a {
  color: white;
  text-decoration: none;
  font-weight: bold;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  transition: color 0.3s, background-color 0.3s;
}

nav.container-navegacao a:hover,
nav.container-navegacao a:focus {
  color: #ffc107;
  background-color: rgba(255, 255, 255, 0.08);
  outline: none;
}

.container-quem-sou {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 2rem;
  padding: clamp(1.5rem, 5vw, 3rem);
  background-color: white;
}

.sobre {
  text-align: center;
  padding: clamp(1.25rem, 4vw, 2rem);
  border: 1px solid #ddd;
  border-radius: 12px;
  background-color: #fafafa;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.icone {
  width: clamp(52px, 12vw, 64px);
  height: auto;
  margin-bottom: 1rem;
}

.sobre-texto {
  font-size: clamp(0.95rem, 2.5vw, 1rem);
  color: #444;
}

.servico-texto-realce {
  color: #007bff;
  font-weight: bold;
}

.container-projetos-contato {
  background-color: #e0e0e0;
  padding: clamp(1.5rem, 5vw, 3rem);
  text-align: center;
}

.container-projetos-contato h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  margin-bottom: 1.5rem;
  line-height: 1.25;
}

.botoes-projetos-contato {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.botoes-projetos-contato a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  padding: 0.75rem 1.5rem;
  background-color: #1e1e2f;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  transition: background-color 0.3s, transform 0.2s;
}

.botoes-projetos-contato a:hover,
.botoes-projetos-contato a:focus {
  background-color: #343456;
  transform: translateY(-2px);
  outline: none;
}

footer {
  background-color: #1e1e2f;
  color: white;
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  nav.container-navegacao {
    gap: 0.5rem;
    padding: 0.75rem;
  }

  nav.container-navegacao a {
    font-size: 0.95rem;
  }

  .container-quem-sou {
    gap: 1.25rem;
  }
}

@media (max-width: 480px) {
  header.container-cabecalho {
    padding: 1.5rem 1rem;
  }

  nav.container-navegacao {
    position: static;
    flex-direction: column;
    align-items: stretch;
  }

  nav.container-navegacao a {
    width: 100%;
    text-align: center;
    padding: 0.65rem;
  }

  .container-quem-sou,
  .container-projetos-contato {
    padding: 1.25rem;
  }

  .botoes-projetos-contato {
    flex-direction: column;
  }

  .botoes-projetos-contato a {
    width: 100%;
  }
}