:root {
  --bg: #fffdf7;
  --ink: #141414;
  --muted: #5c5c5c;
  --line: #e6e1d6;
  --accent: #ffe14d;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141414;
    --ink: #f4f1ea;
    --muted: #a3a3a3;
    --line: #2c2c2c;
    --accent: #ffe14d;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 40px 16px 80px; }
header a { color: var(--ink); text-decoration: none; font-weight: 900; letter-spacing: 0.04em; font-size: 22px; }
h1 { font-size: 34px; line-height: 1.15; margin: 32px 0 4px; }
h2 { font-size: 21px; margin: 36px 0 8px; }
p, li { margin: 0 0 12px; }
ul { padding-left: 22px; }
a { color: inherit; text-underline-offset: 3px; }
.meta { color: var(--muted); font-size: 15px; margin-bottom: 28px; }
.mark { background: var(--accent); color: #141414; padding: 0 4px; }
footer { border-top: 1px solid var(--line); margin-top: 56px; padding-top: 20px; color: var(--muted); font-size: 15px; }
footer a { margin-right: 16px; }
.hero { text-align: center; padding-top: 18vh; }
.hero h1 { font-size: 64px; letter-spacing: 0.03em; margin: 0; }
.hero p { font-size: 20px; color: var(--muted); }
.store { display: inline-block; margin-top: 24px; padding: 14px 26px; border-radius: 14px; background: var(--ink); color: var(--bg); font-weight: 700; text-decoration: none; }