:root {
  --cream: #FFF3E4;
  --apricot: #FFC89C;
  --ink: #3F2318;
  --ink-soft: #8A6552;
  --plum: #9B3E77;
  --card: #FFFFFF;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 0 16px;
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, var(--cream) 0%, var(--apricot) 100%);
  background-attachment: fixed;
  min-height: 100vh;
}
.wrap { max-width: 720px; margin: 0 auto; padding-block: 48px 72px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; }
.mark {
  width: 54px; height: 54px; border-radius: 16px; background: #33203F;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 9px; flex: none;
}
.mark i { border-radius: 4px; display: block; }
.mark i:nth-child(1) { background: #FF9F1C; }
.mark i:nth-child(2) { background: #B55CE6; }
.mark i:nth-child(3) { background: #41C7E8; }
.mark i:nth-child(4) { background: #F7D038; }
h1 { font-size: 30px; margin: 0; letter-spacing: -0.01em; }
h2 { font-size: 21px; margin: 36px 0 10px; }
p, li { color: var(--ink); }
.lede { color: var(--ink-soft); margin-top: 4px; }
.card { background: var(--card); border-radius: 18px; padding: 24px 26px; margin-top: 26px; }
a { color: var(--plum); }
code { background: rgba(63,35,24,.08); padding: 2px 6px; border-radius: 6px; font-size: 15px; }
footer { margin-top: 40px; color: var(--ink-soft); font-size: 15px; }
nav { margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; }
nav a {
  background: rgba(63,35,24,.09); padding: 9px 15px; border-radius: 999px;
  text-decoration: none; color: var(--ink); font-weight: 600; font-size: 15px;
}
@media (max-width: 420px) { h1 { font-size: 25px; } .card { padding: 20px 18px; } }