* {
  box-sizing: border-box;
}

body {
  color: #17201a;
  font-family: system-ui, sans-serif;
  line-height: 1.6;
  margin: 0;
}

.site-header {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  padding: 1rem;
}

.site-header nav,
.features {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero,
.contact,
.features {
  margin-inline: auto;
  max-width: 1100px;
  padding: 3rem 1rem;
}

.features > * {
  border: 1px solid #d9e5dc;
  flex: 1 1 16rem;
  padding: 1rem;
}

form {
  display: grid;
  gap: 0.75rem;
  max-width: 36rem;
}

input,
textarea,
button {
  font: inherit;
}

@media (min-width: 48rem) {
  .hero {
    min-height: 60vh;
    display: grid;
    align-items: center;
  }
}