:root {
  --ink: #1b1f24;
  --muted: #5c6470;
  --line: #dde2e8;
  --bg: #ffffff;
  --panel: #f6f8fa;
  --accent: #1f5fbf;
  --accent-ink: #ffffff;
  --good: #1a7f4b;
  --warn: #b7791f;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { color-scheme: light; scroll-behavior: smooth; }
body { margin: 0; font: 17px/1.6 var(--sans); color: var(--ink); background: var(--bg); }
a { color: var(--accent); }
img { max-width: 100%; height: auto; }
code { font-family: var(--mono); font-size: 0.9em; background: var(--panel); padding: 0.1em 0.35em; border-radius: 4px; }
pre { font-family: var(--mono); font-size: 0.88rem; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 0.85rem 1rem; overflow-x: auto; line-height: 1.5; }
pre code { background: none; padding: 0; font-size: inherit; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; }
h1 { font-size: 2.4rem; margin: 0 0 0.75rem; }
h2 { font-size: 1.5rem; margin: 2.25rem 0 0.75rem; }
h3 { font-size: 1.15rem; margin: 1.5rem 0 0.5rem; }
p, ul, ol { margin: 0 0 1rem; }
li { margin-bottom: 0.3rem; }
table { border-collapse: collapse; width: 100%; margin: 0.5rem 0 1.25rem; font-size: 0.95rem; }
th, td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.table-wrap { overflow-x: auto; }
blockquote { margin: 1.25rem 0; padding: 0.75rem 1.1rem; border-left: 4px solid var(--warn); background: #fff8ec; border-radius: 0 8px 8px 0; }
blockquote p:last-child { margin: 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 1.25rem; }
.narrow { max-width: 760px; }

.top { border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { font-weight: 700; color: var(--ink); text-decoration: none; display: inline-flex; align-items: center; gap: 0.5rem; }
.brand img { width: 28px; height: 28px; }
.top nav a { margin-left: 1.25rem; text-decoration: none; color: var(--muted); }
.top nav a.primary { color: var(--accent); font-weight: 600; }

.hero { padding: 3.5rem 0 2rem; display: grid; grid-template-columns: 1.1fr 1fr; gap: 2.5rem; align-items: center; }
.hero p.lede { font-size: 1.2rem; color: var(--muted); margin-bottom: 1.5rem; }
.hero .actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.hero img { border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 8px 30px rgba(0,0,0,0.08); }

.button { display: inline-block; background: var(--accent); color: var(--accent-ink); text-decoration: none; padding: 0.7rem 1.2rem; border-radius: 8px; font-weight: 600; }
.button.secondary { background: var(--panel); color: var(--ink); border: 1px solid var(--line); }
.button.disabled { background: var(--panel); color: var(--muted); border: 1px solid var(--line); cursor: default; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; margin: 1rem 0 2rem; }
.feature { border: 1px solid var(--line); border-radius: 10px; padding: 1.1rem 1.25rem; }
.feature h3 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.feature p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.shot { margin: 1.5rem 0 2rem; }
.shot img { border: 1px solid var(--line); border-radius: 10px; }
.shot figcaption { color: var(--muted); font-size: 0.9rem; margin-top: 0.5rem; }

.band { background: var(--panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 2.5rem 0; margin: 2rem 0; }
.band h2 { margin-top: 0; }

.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.25rem; margin: 1.5rem 0; }
.plan { border: 1px solid var(--line); border-radius: 12px; padding: 1.5rem; }
.plan.highlight { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(31,95,191,0.12); }
.plan h3 { margin: 0 0 0.25rem; }
.plan .price { font-size: 2rem; font-weight: 700; margin: 0.5rem 0 0.25rem; }
.plan .price small { font-size: 1rem; color: var(--muted); font-weight: normal; }
.plan ul { padding-left: 1.2rem; margin: 1rem 0; }
.plan ul li { margin-bottom: 0.4rem; }

.toc { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.25rem; margin: 1.5rem 0 2rem; font-size: 0.95rem; }
.toc ol { margin: 0.4rem 0 0; padding-left: 1.3rem; }
.meta { color: var(--muted); font-size: 0.95rem; margin-bottom: 1.5rem; }

.cta { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 1.5rem 1.75rem; margin: 2.5rem 0; }
.cta h2 { margin-top: 0; }

.foot { color: var(--muted); font-size: 0.9rem; padding: 2rem 1.25rem 3rem; border-top: 1px solid var(--line); margin-top: 3rem; }
.foot .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.foot a { color: var(--muted); }

@media (max-width: 800px) {
  .hero { grid-template-columns: 1fr; padding-top: 2rem; }
  h1 { font-size: 1.85rem; }
  .top .wrap { height: auto; padding: 0.6rem 1.25rem; flex-wrap: wrap; gap: 0.25rem 1rem; }
  .top nav a { margin-left: 0; margin-right: 1rem; font-size: 0.95rem; }
}