:root {
  --bg: #f6f7f9; --card: #fff; --text: #1c1e21; --muted: #626872; --line: #e1e4e8;
  --accent: #3b5bdb; --accent-text: #fff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a; --card: #1e2125; --text: #e8eaed; --muted: #9aa0a8; --line: #2e3238;
    --accent: #7c93ff; --accent-text: #11151f;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 18px; padding-bottom: 18px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); text-decoration: none; }
.brand img { border-radius: 8px; }
nav { display: flex; gap: 18px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--text); }
h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.15; margin: 0 0 16px; letter-spacing: -0.01em; }
h2 { font-size: 26px; margin: 48px 0 12px; }
h3 { font-size: 18px; margin: 20px 0 6px; }
.lead { font-size: 19px; color: var(--muted); margin: 0 0 24px; }
.small { font-size: 14px; color: var(--muted); }
.hero { display: grid; grid-template-columns: 1fr 1.25fr; gap: 40px; align-items: center; padding-top: 32px; padding-bottom: 24px; }
.shot { width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--line); box-shadow: 0 20px 50px rgba(0, 0, 0, .18); }
.button { display: inline-block; background: var(--accent); color: var(--accent-text); text-decoration: none; font-weight: 600; padding: 12px 22px; border-radius: 10px; }
.button:hover { filter: brightness(1.08); }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 32px; }
.grid > div { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 4px 18px 16px; }
.grid p { color: var(--muted); margin: 0; font-size: 15px; }
.steps li { margin: 6px 0; }
.prose { max-width: 760px; padding-top: 16px; }
.prose h1 { font-size: 34px; }
.prose li { margin: 6px 0; }
code { font-size: 0.9em; background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 1px 4px; }
footer { padding-top: 48px; padding-bottom: 32px; }
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .grid { grid-template-columns: 1fr; }
  nav { gap: 12px; }
}
span.button { background: transparent; color: var(--muted); border: 1px dashed var(--line); font-weight: 500; }