:root {
  background: #f7f7f4;
  color: #171717;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
}

a {
  color: inherit;
}

.topbar {
  align-items: center;
  background: #ffffff;
  border-bottom: 1px solid #deded8;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  min-height: 68px;
  padding: 0 28px;
}

.brand {
  align-items: center;
  display: inline-flex;
  font-weight: 700;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  align-items: center;
  background: #19332e;
  border-radius: 8px;
  color: #ffffff;
  display: inline-flex;
  font-size: 14px;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.nav {
  display: flex;
  gap: 10px;
}

.nav a,
.button {
  border: 1px solid #d2d2ca;
  border-radius: 8px;
  background: #ffffff;
  padding: 9px 12px;
  text-decoration: none;
}

.button.primary {
  background: #19332e;
  border-color: #19332e;
  color: #ffffff;
}

.layout {
  margin: 0 auto;
  max-width: 1120px;
  padding: 36px 28px 56px;
}

.hero {
  display: grid;
  gap: 34px;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  min-height: calc(100vh - 180px);
  align-items: center;
}

.hero h1 {
  font-size: clamp(40px, 6vw, 76px);
  line-height: 0.98;
  margin: 0;
  max-width: 820px;
}

.hero p {
  color: #4f5652;
  font-size: 18px;
  max-width: 680px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.visual {
  aspect-ratio: 4 / 3;
  background:
    linear-gradient(rgba(12, 23, 21, 0.12), rgba(12, 23, 21, 0.12)),
    url("https://images-assets.nasa.gov/image/PIA12110/PIA12110~medium.jpg");
  background-position: center;
  background-size: cover;
  border: 1px solid #d2d2ca;
  border-radius: 8px;
  min-height: 280px;
}

.section {
  border-top: 1px solid #deded8;
  padding: 32px 0;
}

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.item {
  background: #ffffff;
  border: 1px solid #deded8;
  border-radius: 8px;
  padding: 18px;
}

.item h2 {
  font-size: 18px;
  margin: 0 0 8px;
}

.item p {
  color: #565c58;
  margin: 0;
}

.contact {
  max-width: 680px;
}

.contact h1 {
  font-size: 42px;
  margin-bottom: 10px;
}

.contact p {
  color: #565c58;
}

.email {
  display: inline-block;
  font-size: 20px;
  font-weight: 700;
  margin-top: 12px;
}

@media (max-width: 820px) {
  .topbar,
  .nav,
  .actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero,
  .grid {
    grid-template-columns: 1fr;
  }
}