:root { --bg: #f7f6f3; --fg: #16181b; --muted: #5b6168; --accent: #c8102e; --card: #ffffff; --line: #e3e1dc; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #121416; --fg: #ececea; --muted: #a0a6ad; --accent: #ff5468; --card: #1b1e21; --line: #2b2f33; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); }
.top, main, footer { max-width: 760px; margin: 0 auto; padding-inline: 20px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 22px; }
.brand { font-weight: 700; letter-spacing: -0.01em; font-size: 20px; color: var(--fg); text-decoration: none; }
.brand span { color: var(--accent); }
.langs { display: flex; gap: 4px; font-size: 14px; font-weight: 600; }
.langs a, .langs span { padding: 4px 8px; border-radius: 6px; text-decoration: none; }
.langs a { color: var(--muted); }
.langs a:hover { color: var(--fg); background: var(--line); }
.langs span { color: var(--fg); background: var(--card); border: 1px solid var(--line); }
main { padding-block: 8px 40px; }
.hero { padding-block: 36px 12px; }
h1 { font-size: clamp(30px, 6vw, 46px); line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 16px; text-wrap: balance; }
h2 { font-size: 15px; text-transform: uppercase; letter-spacing: .06em; color: var(--accent); margin: 44px 0 14px; }
.lead { color: var(--muted); font-size: 19px; margin: 0 0 28px; max-width: 36em; }
.cards, .steps { list-style: none; padding: 0; margin: 0 0 20px; display: grid; gap: 10px; }
@media (min-width: 640px) { .cards { grid-template-columns: 1fr 1fr; } }
.cards li, .steps li { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.cards b, .steps b { display: block; }
.cards small, .steps small { color: var(--muted); font-size: 15px; }
.steps { counter-reset: s; }
.steps li { counter-increment: s; padding-left: 52px; position: relative; }
.steps li::before { content: counter(s); position: absolute; left: 16px; top: 14px; width: 24px; height: 24px; border-radius: 50%;
  background: var(--accent); color: #fff; font-weight: 700; font-size: 14px; display: grid; place-items: center; }
.cta { display: inline-block; background: var(--accent); color: #fff; text-decoration: none; font-weight: 600; padding: 12px 20px; border-radius: 10px; }
.cta:hover { filter: brightness(1.08); }
.note { color: var(--muted); font-size: 14px; margin-top: 14px; }
.demo { margin: 0; display: grid; justify-items: center; gap: 10px; }
.demo video { width: min(360px, 100%); height: auto; border-radius: 28px; border: 1px solid var(--line); background: var(--card); }
.demo figcaption { color: var(--muted); font-size: 15px; text-align: center; }
details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; margin-bottom: 8px; }
summary { font-weight: 600; cursor: pointer; }
details p { color: var(--muted); margin: 8px 0 0; }
footer { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; padding-block: 24px 48px;
  color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }
.nf main { min-height: 100vh; display: grid; place-content: center; text-align: center; }

.beta { display: grid; gap: 12px; max-width: 460px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.beta label { display: grid; gap: 4px; font-weight: 600; font-size: 15px; }
.beta input, .beta select { font: inherit; font-weight: 400; color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.beta .check { display: flex; gap: 8px; align-items: flex-start; font-weight: 400; }
.beta .check input { margin-top: 5px; }
.beta .cta { border: 0; cursor: pointer; justify-self: start; font: inherit; font-weight: 600; }
.beta .note { margin: 0; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }