*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0e0e0e;
  --surface:  #161616;
  --border:   #272727;
  --accent:   #c9a84c;
  --green:    #5a9e6f;
  --blue:     #5b8db8;
  --dim:      #707070;
  --text:     #d4d4d4;
  --code-bg:  #111111;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Menlo', 'Consolas', 'DejaVu Sans Mono', monospace;
  font-size: 13.5px;
  line-height: 1.65;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── NAV ── */
nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 0;
}
.nav-logo {
  font-weight: bold;
  color: var(--accent);
  font-size: 14px;
  padding: 0.75rem 1.2rem 0.75rem 0;
  border-right: 1px solid var(--border);
  margin-right: 0.3rem;
  text-decoration: none;
  letter-spacing: 0.03em;
}
.nav-logo:hover { text-decoration: none; color: #dfc06a; }
.nav-links { display: flex; }
.nav-links a {
  color: var(--dim);
  font-size: 12px;
  padding: 0.75rem 0.9rem;
  display: block;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links a.active { color: var(--text); border-bottom-color: var(--accent); }
.nav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.nav-right a {
  color: var(--dim);
  font-size: 11px;
}
.nav-right a:hover { color: var(--text); text-decoration: none; }

/* ── LAYOUT ── */
.wrap { max-width: 900px; margin: 0 auto; padding: 0 1.5rem; }

/* ── PAGE HEADER ── */
.page-header {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2.5rem;
}
.page-header .tag {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--dim);
  margin-bottom: 0.5rem;
}
.page-header h1 {
  font-size: 1.8rem;
  font-weight: bold;
  color: #eaeaea;
  letter-spacing: -0.4px;
}
.page-header h1 span { color: var(--accent); }
.page-header p {
  color: var(--dim);
  margin-top: 0.5rem;
  max-width: 560px;
  font-size: 13px;
}

/* ── SECTIONS ── */
.section {
  padding: 2.2rem 0;
  border-bottom: 1px solid var(--border);
}
.section:last-child { border-bottom: none; padding-bottom: 3rem; }

.section-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--dim);
  margin-bottom: 1.1rem;
}

h2 {
  font-size: 1rem;
  font-weight: bold;
  color: #eaeaea;
  margin-bottom: 0.9rem;
}

h3 {
  font-size: 0.88rem;
  font-weight: bold;
  color: var(--accent);
  margin: 1.4rem 0 0.5rem;
}
h3:first-child { margin-top: 0; }

p {
  color: var(--dim);
  font-size: 12.5px;
  line-height: 1.75;
  max-width: 620px;
}
p + p { margin-top: 0.8rem; }

/* ── CODE ── */
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.1rem 1.3rem;
  overflow-x: auto;
  font-size: 12px;
  line-height: 1.75;
  margin: 1rem 0;
}
code {
  font-family: inherit;
  font-size: 12px;
  background: #1a1a1a;
  border: 1px solid #222;
  border-radius: 2px;
  padding: 0.05em 0.35em;
  color: #c9a84c;
}
pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
}
.c   { color: #4e5562; font-style: italic; }
.k   { color: #c678dd; }
.t   { color: #e5c07b; }
.f   { color: #61afef; }
.s   { color: #98c379; }
.n   { color: var(--text); }
.num { color: #d19a66; }
.cmt { color: #4e5562; font-style: italic; }

/* ── TABLE ── */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin: 1rem 0;
}
th {
  text-align: left;
  color: var(--dim);
  font-weight: normal;
  padding: 0.3rem 1rem 0.5rem 0;
  border-bottom: 1px solid var(--border);
}
td {
  padding: 0.5rem 1rem 0.5rem 0;
  border-bottom: 1px solid #1c1c1c;
  vertical-align: top;
}
tr:hover td { background: #131313; }
.td-name { color: var(--accent); font-weight: bold; }
.td-dim  { color: var(--dim); }

/* ── GRID ── */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
  margin: 1rem 0;
}
@media (max-width: 620px) {
  .grid-2 { grid-template-columns: 1fr; }
  .page-header h1 { font-size: 1.4rem; }
  .nav-links a { padding: 0.75rem 0.6rem; }
}

/* ── CARD ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.2rem;
}
.card h3 { color: var(--text); font-size: 0.85rem; margin-bottom: 0.4rem; }
.card p { font-size: 12px; color: var(--dim); max-width: none; }

/* ── PIPELINE ── */
.pipeline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  margin: 1rem 0;
  font-size: 12px;
}
.pipe-step {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.4rem 0.8rem;
  color: var(--text);
  line-height: 1.4;
}
.pipe-step small { display: block; color: var(--dim); font-size: 10px; }
.pipe-arrow { color: var(--border); padding: 0 0.3rem; font-size: 13px; }

/* ── STEP LIST ── */
.steps { list-style: none; counter-reset: steps; margin: 1rem 0; }
.steps li {
  counter-increment: steps;
  padding: 0.8rem 0 0.8rem 2.4rem;
  border-bottom: 1px solid #1c1c1c;
  position: relative;
  color: var(--dim);
  font-size: 12.5px;
}
.steps li:last-child { border-bottom: none; }
.steps li::before {
  content: counter(steps);
  position: absolute;
  left: 0;
  top: 0.8rem;
  background: var(--surface);
  border: 1px solid var(--border);
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--dim);
  line-height: 1.6rem;
  text-align: center;
}

/* ── BADGE ── */
.badge {
  display: inline-block;
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 6px;
  font-size: 10px;
  color: var(--dim);
  vertical-align: middle;
  margin-left: 0.4rem;
}

/* ── QUOTE ── */
blockquote {
  border-left: 3px solid var(--border);
  padding: 1rem 1.2rem;
  background: var(--surface);
  color: var(--dim);
  font-size: 12.5px;
  line-height: 1.75;
  margin: 1rem 0;
}
blockquote em { color: var(--text); font-style: italic; }
blockquote .src { margin-top: 0.5rem; font-size: 11px; color: #3a3a3a; }

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 1.4rem 0;
  color: #3a3a3a;
  font-size: 11px;
}
footer a { color: #444; }
footer a:hover { color: var(--dim); text-decoration: none; }

/* ── DEMO AUDIO ── */
.demo-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.2rem;
  margin: 0.8rem 0;
}
.demo-card h3 { color: var(--accent); margin-bottom: 0.3rem; font-size: 0.88rem; }
.demo-card .desc { color: var(--dim); font-size: 12px; margin-bottom: 0.8rem; }
.demo-card .cmd {
  font-size: 11.5px;
  color: #888;
  font-family: inherit;
}
.demo-card .cmd span { color: var(--accent); }