:root {
  --azul: #1c2149;
  --cinza: #ebe8e3;
  --marrom: #948765;
}

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

body {
  background-color: var(--cinza);
  color: var(--azul);
  line-height: 1.6;
}

header {
  background-color: var(--azul);
  color: white;
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 {
  font-size: 1.8rem;
  color: var(--marrom);
}

nav a {
  margin-left: 1.5rem;
  text-decoration: none;
  color: white;
  font-weight: bold;
}

.hero {
  background: url('https://images.unsplash.com/photo-1528744598421-b7d45aefb65b') center/cover no-repeat;
  color: white;
  padding: 6rem 2rem;
  text-align: center;
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero button {
  padding: 1rem 2rem;
  font-size: 1rem;
  background-color: var(--marrom);
  border: none;
  color: white;
  border-radius: 8px;
  cursor: pointer;
}

section {
  padding: 3rem 2rem;
}

.sobre, .atuacao, .blog, .depoimentos {
  max-width: 1200px;
  margin: auto;
}

.atuacao .area {
  display: inline-block;
  width: 30%;
  margin: 1%;
  background-color: white;
  padding: 1rem;
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  text-align: center;
}

footer {
  background-color: var(--azul);
  color: white;
  padding: 2rem;
  text-align: center;
}

footer a {
  color: var(--marrom);
  text-decoration: none;
}

@media(max-width: 768px) {
  .atuacao .area {
    width: 100%;
    margin-bottom: 1rem;
  }
}