:root {
  color-scheme: light dark;
  --bg: #fbfaf7;
  --card: #ffffff;
  --fg: #16181c;
  --mut: #5a616c;
  --line: #e1ddd5;
  --acc: #b8400f;
  --acc-fg: #ffffff;
  --code: #f1eee8;
  --max: 1040px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #131415; --card: #1a1b1d; --fg: #ecebe8; --mut: #9aa0a8; --line: #2b2d30; --acc: #ef7a40; --acc-fg: #1a1109; --code: #202225; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration-color: var(--acc); text-underline-offset: 3px; }
a:hover { color: var(--acc); }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 3px; border-radius: 4px; }
.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
header.top { display: flex; align-items: center; justify-content: space-between; padding: 22px 0; }
.brand { font-weight: 700; letter-spacing: -0.01em; text-decoration: none; display: inline-flex; gap: 10px; align-items: center; }
.brand svg { width: 22px; height: 22px; }
nav a { margin-left: 22px; font-size: 0.95rem; color: var(--mut); text-decoration: none; }
nav a:hover { color: var(--fg); }
.hero { padding: 56px 0 40px; display: grid; grid-template-columns: 1.15fr 1fr; gap: 48px; align-items: start; }
@media (max-width: 860px) { .hero { grid-template-columns: 1fr; gap: 28px; padding-top: 28px; } nav a { margin-left: 14px; } }
h1 { font-size: clamp(2rem, 4.4vw, 3.1rem); line-height: 1.08; letter-spacing: -0.025em; margin: 0 0 18px; font-weight: 750; }
h2 { font-size: 1.55rem; letter-spacing: -0.015em; margin: 0 0 10px; line-height: 1.2; }
h3 { font-size: 1.05rem; margin: 0 0 6px; }
.lede { font-size: 1.15rem; color: var(--mut); max-width: 34em; margin: 0 0 26px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 12px 20px; border-radius: 10px; font: inherit; font-weight: 650; border: 1px solid var(--line); background: transparent; color: var(--fg); text-decoration: none; cursor: pointer; }
.btn.primary { background: var(--acc); border-color: var(--acc); color: var(--acc-fg); }
.btn:hover { filter: brightness(1.06); color: inherit; }
.btn.primary:hover { color: var(--acc-fg); }
pre, code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.88rem; }
pre { background: var(--code); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; overflow-x: auto; margin: 0; line-height: 1.55; }
:not(pre) > code { background: var(--code); padding: 1px 6px; border-radius: 5px; }
section { padding: 44px 0; border-top: 1px solid var(--line); }
.sub { color: var(--mut); max-width: 40em; margin: 0 0 24px; }
.groups { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
@media (max-width: 760px) { .groups { grid-template-columns: 1fr; } }
.group { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.group .tag { font: 600 0.75rem ui-monospace, monospace; letter-spacing: 0.06em; text-transform: uppercase; color: var(--acc); }
.group ul { margin: 12px 0 10px; padding: 0; list-style: none; }
.group li { padding: 6px 0; border-top: 1px dashed var(--line); font-size: 0.95rem; }
.group li:first-child { border-top: 0; }
.group li code { font-weight: 600; }
.group p { margin: 8px 0 0; color: var(--mut); font-size: 0.9rem; }
.plans { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; max-width: 760px; }
@media (max-width: 640px) { .plans { grid-template-columns: 1fr; } }
.plan { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.plan.pro { border-color: var(--acc); }
.price { font-size: 2.3rem; font-weight: 750; letter-spacing: -0.02em; margin: 6px 0 2px; }
.price small { font-size: 1rem; color: var(--mut); font-weight: 500; }
.plan ul { padding-left: 1.1em; margin: 14px 0 18px; color: var(--mut); }
.plan ul li { margin: 4px 0; }
label.small { display: block; font-size: 0.85rem; font-weight: 600; margin: 0 0 6px; }
input[type=email], input[type=password] { width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 9px; background: transparent; color: inherit; font: inherit; margin-bottom: 10px; }
input::placeholder { color: var(--mut); opacity: 1; }
.out { margin-top: 14px; font-size: 0.92rem; }
.out pre { margin-top: 8px; }
.err { color: #b3261e; }
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.tabs button { font: inherit; font-size: 0.92rem; padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--mut); cursor: pointer; }
.tabs button[aria-selected=true] { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.panel[hidden] { display: none; }
.panel p { color: var(--mut); margin: 0 0 12px; }
.fine { color: var(--mut); font-size: 0.9rem; }
footer { border-top: 1px solid var(--line); padding: 28px 0 56px; color: var(--mut); font-size: 0.9rem; }
footer a { margin-right: 18px; }
.prose { max-width: 44em; padding: 24px 0 60px; }
.prose h2 { margin-top: 34px; }
.prose p, .prose li { color: var(--mut); max-width: 34em; }
.prose td { max-width: 30em; }
.prose table { border-collapse: collapse; width: 100%; margin: 12px 0; font-size: 0.93rem; }
.prose th, .prose td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose td:first-child { white-space: nowrap; font-family: ui-monospace, monospace; font-size: 0.86rem; color: var(--fg); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }