:root {
  color-scheme: light dark;
  --bg: #f7f7f8;
  --fg: #171717;
  --muted: #666a73;
  --card: #ffffff;
  --accent: #2563eb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111216;
    --fg: #f4f4f5;
    --muted: #a1a1aa;
    --card: #1b1c22;
    --accent: #60a5fa;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
  padding: 48px 0;
}

.hero {
  min-height: 70vh;
  display: grid;
  align-content: center;
  gap: 16px;
}

img {
  border-radius: 22px;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.16);
}

h1 {
  margin: 0;
  font-size: clamp(34px, 7vw, 64px);
  line-height: 1.03;
}

h2 {
  margin: 36px 0 8px;
  font-size: 24px;
}

h3 {
  margin: 24px 0 6px;
  font-size: 18px;
}

p {
  margin: 0 0 14px;
}

.muted {
  color: var(--muted);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}

a {
  color: var(--accent);
  font-weight: 650;
  text-decoration: none;
}

nav a {
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--card);
}

.back {
  display: inline-block;
  margin-bottom: 28px;
}