/* ===== Theme ===== */
:root, [data-theme="dark"] {
  --bg: #0c0c0e;
  --ink: #e9e9ec;
  --muted: #9a9aa2;
  --faint: #5c5c64;
  --accent: #7ee787;
  --line: rgba(255, 255, 255, 0.10);
  --sel: rgba(126, 231, 135, 0.16);
}
[data-theme="light"] {
  --bg: #fbfbfa;
  --ink: #1a1a1c;
  --muted: #5a5a62;
  --faint: #9a9aa2;
  --accent: #1a7f37;
  --line: rgba(0, 0, 0, 0.10);
  --sel: rgba(26, 127, 55, 0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
::selection { background: var(--sel); }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15.5px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
.mono, .greet, .role, .foot, .rn, .lang button, .tg {
  font-family: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}
a { color: inherit; text-decoration: none; }
.sym { color: var(--accent); }
.dim { color: var(--faint); }

.wrap { max-width: 680px; margin: 0 auto; padding: 0 22px; }

/* ===== Nav ===== */
.nav {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 16px 0; margin-bottom: 26px;
  background: var(--bg); border-bottom: 1px solid var(--line);
}
.logo { font-weight: 600; font-size: 15px; }
.logo .cur { color: var(--accent); animation: blink 1.1s steps(1) infinite; }
.nav-mid { display: flex; gap: 18px; }
.nav-mid a { color: var(--muted); font-size: 14px; }
.nav-mid a:hover { color: var(--ink); }
.nav-right { display: flex; align-items: center; gap: 10px; }
.lang { display: flex; gap: 2px; }
.lang button {
  background: none; border: none; cursor: pointer; color: var(--faint);
  font-size: 12.5px; padding: 2px 5px; border-radius: 4px;
}
.lang button:hover { color: var(--ink); }
.lang button.active { color: var(--accent); }
.tg {
  background: none; border: none; cursor: pointer; color: var(--muted);
  font-size: 12.5px; padding: 2px 4px;
}
.tg:hover { color: var(--ink); }
@media (max-width: 560px) { .nav-mid { display: none; } }

/* ===== Hero ===== */
.hero { padding: 18px 0 8px; }
.greet { color: var(--muted); font-size: 14px; }
.hero h1 { font-size: clamp(28px, 6vw, 40px); font-weight: 700; letter-spacing: -0.5px; margin: 10px 0 6px; }
.role { color: var(--muted); font-size: 16px; min-height: 1.6em; }
.role .sym { margin-right: 6px; }
.typed { color: var(--ink); }
.caret { color: var(--accent); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.lead { color: var(--muted); margin-top: 16px; max-width: 600px; }

/* ===== Sections ===== */
.sec { padding: 30px 0; border-top: 1px solid var(--line); margin-top: 22px; }
.sec h2 { font-size: 18px; font-weight: 600; margin-bottom: 14px; }
.sec h2 .hash { color: var(--accent); }
.sec > p { color: var(--muted); margin-bottom: 14px; }
.grp { font-size: 13px; color: var(--faint); font-weight: 600; margin: 18px 0 8px; text-transform: lowercase; letter-spacing: 0.3px; }

/* key/value list */
.kv { list-style: none; }
.kv li { display: flex; gap: 14px; padding: 5px 0; flex-wrap: wrap; }
.kv .k { color: var(--faint); min-width: 92px; font-size: 14px; }
.kv .v { color: var(--ink); flex: 1; }

/* dotted leader rows */
.leader { list-style: none; }
.leader li { display: flex; align-items: baseline; gap: 8px; padding: 5px 0; }
.leader .ln { color: var(--ink); }
.leader .dots { flex: 1; border-bottom: 1px dotted var(--faint); transform: translateY(-4px); }
.leader .rn { color: var(--muted); font-size: 13.5px; white-space: nowrap; }

/* links list */
.links { list-style: none; }
.links li { display: flex; gap: 14px; padding: 6px 0; flex-wrap: wrap; }
.links .k { color: var(--faint); min-width: 92px; font-size: 14px; }
.lnk { color: var(--accent); border-bottom: 1px solid transparent; }
.lnk:hover { border-color: var(--accent); }

/* ===== Footer ===== */
.foot {
  margin: 34px 0 50px; padding-top: 18px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 13px;
}