:root {
  --bg: #0d0f12;
  --panel: #151821;
  --ink: #e8e8ec;
  --ink-dim: #a0a4ad;
  --accent: #7dd3fc;
  --accent-2: #f9a8d4;
  --gap: #fbbf24;
  --strong: #86efac;
  --next: #c4b5fd;
  --line: #22262f;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;
  --sans: "Noto Sans KR", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }

.site-hdr {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 32px;
  background: rgba(13, 15, 18, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.logo { font-family: var(--mono); font-weight: 600; font-size: 1.05rem; color: var(--ink); }
.logo .dot { color: var(--accent); }
nav a { margin-left: 20px; font-size: 0.9rem; color: var(--ink-dim); }
nav a:hover { color: var(--accent); }

main { max-width: 1100px; margin: 0 auto; padding: 40px 32px 80px; }

.hero { margin-bottom: 48px; }
.hero h1 { font-size: 2.2rem; margin: 0 0 12px; letter-spacing: -0.02em; }
.lead { color: var(--ink-dim); font-size: 1.05rem; max-width: 720px; }
.lead b { color: var(--accent); font-weight: 600; }

h2 { font-size: 1.5rem; margin: 48px 0 20px; letter-spacing: -0.01em; }
h2 .by { font-size: 0.8rem; color: var(--ink-dim); font-weight: 400; margin-left: 8px; }

footer { text-align: center; padding: 40px 0; color: var(--ink-dim); font-family: var(--mono); font-size: 0.8rem; }