:root {
  --bg: #fbfaf7;
  --fg: #1c2230;
  --muted: #5f6676;
  --line: #e4e2dc;
  --card: #ffffff;
  --accent: #2f5d8a;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151c;
    --fg: #e8eaf0;
    --muted: #9aa1b0;
    --line: #262b36;
    --card: #181c25;
    --accent: #8db6e0;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }
header { padding: 28px 0 0; }
.mark { margin: 0; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; font-size: 14px; }
.mark a { color: var(--fg); text-decoration: none; }
section { padding: 32px 0; }
.hero { padding: 64px 0 40px; }
.hero h1 { font-size: clamp(32px, 6vw, 48px); line-height: 1.1; margin: 0 0 18px; letter-spacing: -0.02em; }
.hero p { font-size: 19px; color: var(--muted); margin: 0; }
h2 { font-size: 15px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 0 0 14px; }
.product {
  display: grid; gap: 4px; padding: 20px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--card); color: var(--fg); text-decoration: none;
}
.product:hover { border-color: var(--accent); }
.product span { color: var(--muted); }
.product em { font-style: normal; color: var(--accent); font-weight: 600; }
.muted { color: var(--muted); }
footer { display: flex; gap: 18px; flex-wrap: wrap; border-top: 1px solid var(--line); padding: 24px 0 40px; margin-top: 24px; font-size: 14px; color: var(--muted); }
footer a { color: var(--muted); }