:root {
  --bg: #fbfbfd; --surface: #ffffff; --text: #1d1d1f; --muted: #6e6e73;
  --border: #e3e3e8; --accent: #0a6cff; --accent-ink: #ffffff; --code: #f2f2f5;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111113; --surface: #1c1c1f; --text: #f2f2f5; --muted: #a1a1a8;
          --border: #2e2e33; --accent: #3b8cff; --code: #232327; color-scheme: dark; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 920px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 720px; }
nav { border-bottom: 1px solid var(--border); background: var(--surface); }
nav .wrap { display: flex; gap: 20px; align-items: center; height: 56px; }
nav .brand { font-weight: 700; color: var(--text); margin-right: auto; }
nav a { color: var(--muted); font-size: 15px; }
.hero { text-align: center; padding: 64px 0 32px; }
.hero h1 { font-size: clamp(32px, 6vw, 56px); line-height: 1.08; letter-spacing: -0.02em; margin: 0 0 16px; }
.hero p { font-size: 20px; color: var(--muted); max-width: 640px; margin: 0 auto 28px; }
kbd {
  font: 600 0.85em/1 inherit; padding: 3px 7px; border-radius: 6px;
  border: 1px solid var(--border); border-bottom-width: 2px; background: var(--surface);
}
.btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-block; padding: 11px 22px; border-radius: 980px; font-weight: 600; font-size: 16px; }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.secondary { border: 1px solid var(--border); color: var(--text); background: var(--surface); }
.btn:hover { text-decoration: none; opacity: .9; }
.shots { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; padding: 24px 0 48px; }
.shots img, article img { max-width: 100%; height: auto; border-radius: 12px; box-shadow: 0 18px 50px rgba(0,0,0,.18); }
section { padding: 40px 0; border-top: 1px solid var(--border); }
h2 { font-size: 30px; letter-spacing: -0.01em; margin: 0 0 16px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
pre, code { font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace; font-size: 14px; }
code { background: var(--code); padding: 2px 6px; border-radius: 5px; }
pre { background: var(--code); padding: 16px; border-radius: 12px; overflow-x: auto; line-height: 1.5; }
pre code { background: none; padding: 0; }
.post-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.post-list a { display: block; color: var(--text); }
.post-list a:hover { text-decoration: none; border-color: var(--accent); }
.post-list time, .meta { color: var(--muted); font-size: 14px; }
article { padding: 48px 0; }
article h1 { font-size: clamp(30px, 5vw, 44px); line-height: 1.12; letter-spacing: -0.02em; margin: 8px 0 12px; }
article h2 { font-size: 26px; margin-top: 40px; }
article figure { margin: 28px 0; text-align: center; }
article figcaption { color: var(--muted); font-size: 14px; margin-top: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 15px; display: block; overflow-x: auto; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.callout { background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--accent); padding: 14px 18px; border-radius: 10px; }
footer { border-top: 1px solid var(--border); padding: 32px 0 48px; color: var(--muted); font-size: 14px; }