:root {
  --bg: #15140f;
  --line: #2b2a22;
  --ink: #ede7d8;
  --muted: #a89f89;
  --accent: #5b8c87;
  --tile-bg: #1c1b14;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, 'Apple SD Gothic Neo', 'Noto Sans KR', monospace;
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.page {
  max-width: 640px;
  margin: 0 auto;
  padding: 40px 20px 56px;
  opacity: 0;
  transform: translateY(10px);
  animation: rise 0.7s ease-out forwards;
}
@keyframes rise { to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) {
  .page { animation: none; opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* top bar */
.top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 72px; font-size: 13px; }
.top nav { display: flex; gap: 20px; color: var(--muted); }
.top nav a:hover, .top nav a:focus-visible { color: var(--accent); outline: none; }
.lang { display: flex; gap: 2px; border: 1px solid var(--line); border-radius: 6px; padding: 2px; }
.lang button {
  font: inherit; font-size: 12px; color: var(--muted); background: none; border: 0;
  padding: 2px 9px; border-radius: 4px; cursor: pointer;
}
.lang button[aria-pressed="true"] { color: var(--bg); background: var(--accent); }
.lang button:focus-visible { outline: 1px solid var(--accent); }

/* hero */
h1 {
  font-weight: 600;
  font-size: clamp(38px, 10vw, 50px);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}
h1 small { font-size: 0.4em; font-weight: 400; color: var(--muted); letter-spacing: 0; margin-left: 10px; }
.bio { color: var(--muted); margin: 0 0 64px; max-width: 34em; }

/* sections */
section { margin-bottom: 56px; }
h2 {
  font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--muted); margin: 0 0 14px;
}
.list { border-top: 1px solid var(--line); }
.row {
  display: block; padding: 16px 4px; border-bottom: 1px solid var(--line);
  position: relative; transition: padding-left 0.2s ease, color 0.2s ease;
}
.row::before {
  content: ""; position: absolute; left: -1px; top: 0; bottom: 0; width: 2px;
  background: var(--accent); transform: scaleY(0); transition: transform 0.2s ease;
}
.row:hover, .row:focus-visible { padding-left: 14px; color: var(--accent); outline: none; }
.row:hover::before, .row:focus-visible::before { transform: scaleY(1); }
.row .head { display: flex; align-items: baseline; gap: 12px; }
.row .title { flex: 1; font-weight: 500; letter-spacing: -0.01em; }
.row .arrow { color: var(--muted); transition: color 0.2s ease, transform 0.2s ease; }
.row:hover .arrow, .row:focus-visible .arrow { color: var(--accent); transform: translate(2px, -2px); }
.row .desc { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.row .meta { margin-top: 8px; display: flex; flex-wrap: wrap; gap: 6px; }
.row .meta span { font-size: 11px; padding: 1px 8px; border: 1px solid var(--line); border-radius: 99px; color: var(--muted); }
.row time { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; flex: none; }

.sublinks { display: flex; gap: 18px; margin-top: 10px; font-size: 13px; color: var(--muted); }
.sublinks a:hover { color: var(--accent); }

.note { margin: 14px 0 0; font-size: 13px; color: var(--muted); }
.note a { border-bottom: 1px solid var(--line); }
.note a:hover { color: var(--accent); border-color: var(--accent); }

/* language switching */
html[lang="en"] [data-lang="ko"] { display: none !important; }
html[lang="ko"] [data-lang="en"] { display: none !important; }

footer { color: var(--muted); font-size: 12px; border-top: 1px solid var(--line); padding-top: 20px; }