:root {
  --ink: #14151f;
  --ink-soft: #4a4d5e;
  --border: #e4e2dc;
  --accent: #4f46e5;
  --bg: #faf8f4;
  --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #eceaf4; --ink-soft: #a9abbd; --border: #2a2c3c; --accent: #a5a1ff; --bg: #10111b; --card: #171826; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: var(--ink); background: var(--bg); line-height: 1.6; }
header { border-bottom: 1px solid var(--border); padding: 2.25rem 1rem 1.75rem; }
header .wrap, main, footer { max-width: 780px; margin: 0 auto; }
.brand { margin: 0 0 .75rem; font-weight: 700; letter-spacing: -.01em; }
.brand a { color: var(--ink); text-decoration: none; }
header h1 { margin: 0 0 .25rem; font-size: clamp(1.5rem, 4vw, 2rem); line-height: 1.15; letter-spacing: -.02em; text-wrap: balance; }
header p { margin: 0; color: var(--ink-soft); font-size: .95rem; }
main { padding: 2rem 1rem 3.5rem; }
h2 { font-size: 1.1rem; margin: 2.25rem 0 .6rem; scroll-margin-top: 1rem; }
p, li, td { color: var(--ink-soft); font-size: .97rem; text-wrap: pretty; }
ul, ol { padding-left: 1.25rem; }
li { margin-bottom: .4rem; }
a { color: var(--accent); }
strong { color: var(--ink); }
code { font-size: .85em; background: color-mix(in srgb, var(--accent) 10%, transparent); padding: .05em .3em; border-radius: .25rem; overflow-wrap: anywhere; }
.toc { display: flex; flex-wrap: wrap; gap: .35rem .9rem; padding: .9rem 1rem; border: 1px solid var(--border); border-radius: .6rem; background: var(--card); font-size: .88rem; margin-bottom: 1.5rem; }
table { width: 100%; border-collapse: collapse; margin: .75rem 0 1rem; font-size: .9rem; display: block; overflow-x: auto; }
th, td { text-align: left; vertical-align: top; padding: .6rem .7rem; border-bottom: 1px solid var(--border); }
th { color: var(--ink); font-weight: 600; background: var(--card); }
.contact-box, .steps { background: var(--card); border: 1px solid var(--border); border-radius: .6rem; padding: 1rem 1.2rem; }
.contact-box p { margin: .25rem 0; }
footer { text-align: center; font-size: .82rem; color: var(--ink-soft); padding: 1.5rem 1rem 2rem; border-top: 1px solid var(--border); }