:root {
  color-scheme: light;
  font-family: system-ui, sans-serif;
  color: #253047;
  background: #f7f8fc;
}

body {
  max-width: 760px;
  min-height: 100vh;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
}

a {
  color: #3157a4;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 2rem 0;
}

.site-title {
  color: inherit;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 1rem;
}

main {
  flex: 1;
}

.intro {
  max-width: 600px;
  padding: 10vh 0;
}

.eyebrow {
  color: #65718b;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0.25rem 0 1rem;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  line-height: 1.1;
}

.page h1 {
  font-size: clamp(2rem, 6vw, 3rem);
}

.content {
  font-size: 1.1rem;
  line-height: 1.8;
}

.button {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.7rem 1rem;
  border-radius: 0.4rem;
  color: white;
  background: #3157a4;
  text-decoration: none;
}

footer {
  padding: 2rem 0;
  color: #65718b;
  font-size: 0.9rem;
}

@media (max-width: 480px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }
}