:root {
  --bg: #F7F8FC;
  --surface: #FFFFFF;
  --ink: #172235;
  --body: #1F2937;
  --muted: #637087;
  --border: #E1E6EE;
  --accent: #2F6BFF;
  --accent-soft: #EDF3FF;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #080A0D;
    --surface: #141519;
    --ink: #ECECEF;
    --body: #D7D7DC;
    --muted: #A7A7B0;
    --border: #282A30;
    --accent: #198CFF;
    --accent-soft: #1B1D23;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--body);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header.top { padding: 20px 0; }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 700; font-size: 18px; }
.brand img { width: 36px; height: 36px; border-radius: 22.5%; }
nav a { color: var(--muted); font-size: 15px; margin-left: 18px; }
h1 { color: var(--ink); font-size: clamp(32px, 7vw, 48px); line-height: 1.12; letter-spacing: -0.02em; margin: 32px 0 16px; }
h2 { color: var(--ink); font-size: 22px; line-height: 1.3; margin: 40px 0 12px; }
h3 { color: var(--ink); font-size: 17px; margin: 16px 0 6px; }
p { margin: 0 0 14px; }
.lead { font-size: 19px; color: var(--muted); max-width: 600px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 20px 22px; margin: 12px 0; }
.card p:last-child { margin-bottom: 0; }
.button { display: inline-block; background: var(--accent); color: #fff; font-weight: 600; padding: 14px 22px; border-radius: 14px; }
.button:hover { text-decoration: none; opacity: .92; }
.muted { color: var(--muted); font-size: 15px; }
.shots { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 32px 0; }
.shots img { width: 100%; border-radius: 28px; border: 1px solid var(--border); display: block; }
.features { list-style: none; padding: 0; margin: 0; }
.features li { padding: 14px 0; border-top: 1px solid var(--border); }
.features li strong { color: var(--ink); display: block; }
footer { margin: 56px 0 0; padding: 28px 0 40px; border-top: 1px solid var(--border); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--muted); font-size: 14px; }
footer a { color: var(--muted); }
@media (max-width: 520px) {
  nav a { margin-left: 12px; font-size: 14px; }
  .brand span { display: none; }
}