:root {
  --bg: #fbfaf7; --panel: #ffffff; --ink: #1f2522; --muted: #5f6763; --line: #e6e3dc;
  --accent: #3f6f62; --accent-soft: #e5efeb;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #151816; --panel: #1d211f; --ink: #e8ece9; --muted: #a2aba6; --line: #2d3330; --accent: #86bdad; --accent-soft: #22302b; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }
header.site { border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 700; letter-spacing: -.01em; text-decoration: none; color: var(--ink); }
nav a { color: var(--muted); text-decoration: none; margin-left: 18px; font-size: 15px; }
nav a:hover { color: var(--ink); }
.hero { padding: 64px 0 40px; }
.hero h1 { font-size: clamp(30px, 5vw, 44px); line-height: 1.15; letter-spacing: -.02em; margin: 0 0 14px; }
.hero p { color: var(--muted); max-width: 560px; margin: 0; }
.product { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 28px; margin: 24px 0 56px; }
.product img.shot { width: 100%; max-width: 360px; border-radius: 10px; border: 1px solid var(--line); justify-self: center; }
.product h2 { margin: 6px 0 8px; font-size: 26px; display: flex; align-items: center; gap: 10px; }
.product h2 img { width: 36px; height: 36px; border-radius: 8px; }
.tag { display: inline-block; font-size: 13px; font-weight: 600; color: var(--accent); background: var(--accent-soft); border-radius: 999px; padding: 2px 10px; }
ul.features { padding-left: 20px; margin: 12px 0; }
ul.features li { margin: 4px 0; }
.price { color: var(--muted); font-size: 15px; }
section.doc { padding: 48px 0 64px; max-width: 700px; }
section.doc h1 { font-size: 34px; letter-spacing: -.02em; margin: 0 0 6px; }
section.doc .updated { color: var(--muted); margin: 0 0 28px; font-size: 15px; }
section.doc h2 { font-size: 20px; margin: 32px 0 6px; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer .wrap { padding: 24px 20px; display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; }
footer a { color: var(--muted); }
@media (max-width: 680px) {
  .product { grid-template-columns: 1fr; padding: 20px; }
  nav a { margin-left: 12px; }
}
/* Guides */
.guide .kicker { color: var(--accent); font-size: 14px; font-weight: 600; margin: 0 0 6px; }
.guide .lede { color: var(--muted); font-size: 18px; margin: 10px 0 8px; }
.guide h3 { font-size: 17px; margin: 22px 0 4px; }
.guide ol, .guide ul { padding-left: 22px; }
.guide li { margin: 5px 0; }
.cta { display: flex; gap: 16px; align-items: flex-start; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px; margin: 28px 0; }
.cta > img { width: 48px; height: 48px; border-radius: 10px; flex: none; }
.cta p { margin: 6px 0 0; color: var(--muted); font-size: 15px; }
.cta .cta-links { color: var(--ink); }
a.button { display: inline-block; background: var(--accent); color: var(--panel); text-decoration: none; font-weight: 600; border-radius: 8px; padding: 6px 14px; margin-right: 10px; }
.guides { padding: 0 0 56px; }
.guides h2 { font-size: 26px; margin: 0 0 12px; }
.guide-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.guide-list a { display: block; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px; text-decoration: none; color: var(--ink); }
.guide-list a:hover { border-color: var(--accent); }
.guide-list strong { display: block; margin-bottom: 4px; }
.guide-list span { color: var(--muted); font-size: 15px; }
@media (max-width: 680px) { .guide-list { grid-template-columns: 1fr; } .cta { flex-direction: column; } }
article.doc { padding: 48px 0 64px; max-width: 700px; }
article.doc h1 { font-size: clamp(28px, 5vw, 34px); line-height: 1.2; letter-spacing: -.02em; margin: 0 0 6px; }
article.doc h2 { font-size: 21px; margin: 34px 0 6px; }
@media (max-width: 680px) {
  header.site .wrap { height: auto; padding-top: 14px; padding-bottom: 12px; flex-direction: column; align-items: flex-start; gap: 6px; }
  nav { display: flex; flex-wrap: wrap; gap: 4px 16px; }
  nav a { margin-left: 0; }
}