:root {
  color-scheme: dark;
  --night: #07111f;
  --panel: rgba(11, 25, 43, 0.88);
  --line: rgba(125, 207, 213, 0.28);
  --moon: #f7d47b;
  --mint: #71dbc5;
  --text: #f8efd6;
  --muted: #b9c7d4;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif;
  background:
    radial-gradient(circle at 78% 8%, rgba(247, 212, 123, 0.25), transparent 24rem),
    radial-gradient(circle at 16% 70%, rgba(71, 129, 154, 0.2), transparent 30rem),
    linear-gradient(160deg, #111a35 0%, var(--night) 55%, #040913 100%);
}

main {
  width: min(860px, calc(100% - 32px));
  margin: 0 auto;
  padding: 54px 0 72px;
}

header, section {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(14px);
}

header {
  padding: 42px;
  border-radius: 28px;
  margin-bottom: 22px;
}

section {
  padding: 30px 34px;
  border-radius: 22px;
  margin: 16px 0;
}

h1 { margin: 0 0 10px; font-size: clamp(36px, 8vw, 64px); }
h2 { margin: 0 0 14px; color: var(--moon); }
p, li { color: var(--muted); line-height: 1.75; }
a { color: var(--mint); }
.eyebrow { color: var(--mint); font-weight: 800; letter-spacing: .14em; }
.nav { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.nav a { padding: 11px 16px; border-radius: 999px; background: rgba(113, 219, 197, .12); text-decoration: none; font-weight: 700; }
.button { display: inline-block; padding: 13px 20px; border-radius: 14px; background: var(--mint); color: var(--night); text-decoration: none; font-weight: 800; }
.warning { border-color: rgba(239, 102, 87, .5); background: rgba(70, 20, 24, .72); }
.steps { counter-reset: deletion-step; list-style: none; padding: 0; }
.steps li { counter-increment: deletion-step; position: relative; padding-left: 48px; margin: 14px 0; }
.steps li::before { content: counter(deletion-step); position: absolute; left: 0; top: 2px; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; color: var(--night); background: var(--moon); font-weight: 900; }
.updated { font-size: 14px; color: #8fa2b3; }

@media (max-width: 560px) {
  main { width: min(100% - 20px, 860px); padding-top: 20px; }
  header, section { padding: 24px 22px; border-radius: 18px; }
}