:root {
  --bg: #0a0c0f;
  --bg-elev: #10141b;
  --bg-card: #121821;
  --line: #1e2430;
  --line-strong: #2a3344;
  --ink: #e8edf5;
  --muted: #8b95a8;
  --dim: #5c667a;
  --green: #3dff9a;
  --green-dim: rgba(61, 255, 154, 0.12);
  --green-glow: rgba(61, 255, 154, 0.28);
  --amber: #ffb020;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: "Inter", "SF Pro Text", system-ui, -apple-system, sans-serif;
  --radius: 14px;
  --max: 1080px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; min-height: 100svh;
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(61,255,154,0.08), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(92,200,255,0.06), transparent 50%),
    var(--bg);
  color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
.wrap { width: min(var(--max), calc(100% - 2.5rem)); margin-inline: auto; }
header.top {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(14px); background: rgba(10, 12, 15, 0.72);
  border-bottom: 1px solid transparent; transition: border-color 160ms ease;
}
header.top.scrolled { border-bottom-color: var(--line); }
.top-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.85rem 0;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.65rem;
  color: var(--ink); text-decoration: none; font-family: var(--mono);
  font-weight: 600; font-size: 0.95rem; letter-spacing: -0.02em;
}
.brand:hover { text-decoration: none; color: var(--green); }
.brand-mark {
  width: 28px; height: 28px; border-radius: 8px; background: var(--bg-elev);
  border: 1px solid var(--line-strong); display: grid; place-items: center;
  color: var(--green); font-size: 0.95rem;
}
nav.links { display: flex; gap: 0.35rem 1.1rem; flex-wrap: wrap; font-size: 0.9rem; }
nav.links a { color: var(--muted); }
nav.links a:hover, nav.links a[aria-current="page"] { color: var(--ink); text-decoration: none; }
.hero { padding: 4rem 0 2.5rem; }
.prompt {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--mono); font-size: 0.82rem; color: var(--dim);
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: 999px; padding: 0.4rem 0.85rem; margin-bottom: 1.4rem;
}
.prompt .dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 10px var(--green-glow); animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } }
h1 {
  margin: 0 0 1rem; font-size: clamp(2.2rem, 6vw, 3.8rem);
  line-height: 1.05; letter-spacing: -0.04em; font-weight: 700;
}
h1 .path { color: var(--green); }
h1 .cursor {
  display: inline-block; width: 0.55ch; height: 0.9em; margin-left: 0.12em;
  background: var(--green); vertical-align: -0.05em; animation: blink 1.05s steps(1) infinite;
}
@keyframes blink { 0%, 45% { opacity: 1; } 50%, 100% { opacity: 0; } }
.lede {
  max-width: 40rem; margin: 0 0 1.75rem; color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.2rem); line-height: 1.6;
}
.lede strong { color: var(--ink); font-weight: 600; }
.muted, .prose .muted { color: var(--muted); }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 2rem; }
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem; border-radius: 10px;
  padding: 0.72rem 1.05rem; font-weight: 600; font-size: 0.95rem;
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  font-family: inherit; transition: transform 120ms ease, background 120ms ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--green); color: #04140c; }
.btn-primary:hover { background: #62ffad; color: #04140c; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--muted); color: var(--ink); }
.term {
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.35); max-width: 42rem;
}
.term-bar {
  display: flex; align-items: center; gap: 0.4rem; padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--line); background: rgba(255,255,255,0.02);
}
.term-bar i { width: 10px; height: 10px; border-radius: 50%; display: block; }
.term-bar i:nth-child(1) { background: #ff5f57; }
.term-bar i:nth-child(2) { background: #febc2e; }
.term-bar i:nth-child(3) { background: #28c840; }
.term-title { margin-left: 0.5rem; font-family: var(--mono); font-size: 0.75rem; color: var(--dim); }
.term-body {
  padding: 1rem 1.1rem 1.15rem; font-family: var(--mono); font-size: 0.86rem;
  line-height: 1.7; color: var(--muted);
}
.term-body .cmd { color: var(--ink); }
.term-body .ok { color: var(--green); }
.term-body .dim { color: var(--dim); }
.term-body .amber { color: var(--amber); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; margin: 2.5rem 0 0; }
@media (max-width: 640px) { .stats { grid-template-columns: 1fr; } }
.stat {
  background: var(--bg-card); border: 1px solid var(--line); border-radius: 12px; padding: 1rem 1.1rem;
}
.stat b {
  display: block; font-family: var(--mono); font-size: 1.35rem; color: var(--green);
  letter-spacing: -0.03em;
}
.stat span { color: var(--muted); font-size: 0.88rem; }
section { padding: 3rem 0; }
section + section { border-top: 1px solid var(--line); }
.section-head {
  display: flex; align-items: end; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap; margin-bottom: 1.4rem;
}
h2 { margin: 0 0 0.75rem; font-size: clamp(1.35rem, 3vw, 1.85rem); letter-spacing: -0.03em; }
.section-note { color: var(--dim); font-size: 0.9rem; font-family: var(--mono); }
.filters { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: 1.25rem; }
.chip {
  font-family: var(--mono); font-size: 0.78rem; color: var(--muted); background: transparent;
  border: 1px solid var(--line); border-radius: 999px; padding: 0.35rem 0.75rem; cursor: pointer;
}
.chip:hover { border-color: var(--line-strong); color: var(--ink); }
.chip.active {
  color: var(--green); border-color: rgba(61,255,154,0.4); background: var(--green-dim);
}
.search-row { display: flex; gap: 0.6rem; margin-bottom: 1.25rem; }
.search {
  flex: 1; min-width: 0; background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: 10px; color: var(--ink); font: inherit; font-family: var(--mono);
  font-size: 0.9rem; padding: 0.7rem 0.9rem; outline: none;
}
.search:focus { border-color: rgba(61,255,154,0.45); box-shadow: 0 0 0 3px var(--green-dim); }
.search::placeholder { color: var(--dim); }
.grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 0.85rem;
}
a.card { text-decoration: none; color: inherit; }
.card {
  background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.15rem; display: flex; flex-direction: column; gap: 0.65rem;
  transition: border-color 140ms ease, transform 140ms ease, box-shadow 140ms ease;
}
.card:hover {
  border-color: var(--line-strong); transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.28); text-decoration: none;
}
.card.featured {
  border-color: rgba(61,255,154,0.28);
  background: linear-gradient(180deg, rgba(61,255,154,0.06), transparent 45%), var(--bg-card);
}
.card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 0.5rem; }
.card h3 {
  margin: 0; font-family: var(--mono); font-size: 0.98rem; font-weight: 600; letter-spacing: -0.02em;
}
.badge {
  font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--green); background: var(--green-dim); border: 1px solid rgba(61,255,154,0.22);
  border-radius: 999px; padding: 0.18rem 0.5rem; white-space: nowrap;
}
.card p { margin: 0; color: var(--muted); font-size: 0.92rem; flex: 1; }
.meta { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.tag {
  font-family: var(--mono); font-size: 0.72rem; color: var(--dim);
  border: 1px solid var(--line); border-radius: 6px; padding: 0.15rem 0.4rem;
}
.empty { display: none; color: var(--dim); font-family: var(--mono); font-size: 0.9rem; padding: 2rem 0; text-align: center; }
.empty.show { display: block; }
.panel {
  background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem;
}
.panel h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.panel p { margin: 0 0 1rem; color: var(--muted); font-size: 0.95rem; }
.callout {
  background: linear-gradient(145deg, rgba(61,255,154,0.08), transparent 50%), var(--bg-card);
  border: 1px solid rgba(61,255,154,0.22); border-radius: var(--radius); padding: 1.25rem;
}
.callout h3 { margin: 0 0 0.5rem; font-family: var(--mono); font-size: 0.95rem; color: var(--green); }
.callout p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.prose { max-width: 44rem; }
.prose h2 { margin-top: 2rem; }
.prose h3 { margin-top: 1.25rem; font-size: 1.05rem; }
.prose p { color: var(--muted); margin: 0 0 0.9rem; }
.prose strong { color: var(--ink); }
.prose ul, .prose ol { color: var(--muted); padding-left: 1.2rem; margin: 0 0 0.9rem; }
.prose li { margin: 0.25rem 0; }
.prose blockquote {
  margin: 1.25rem 0;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--green);
  background: rgba(61, 255, 154, 0.06);
  border-radius: 0 8px 8px 0;
  color: var(--ink);
  font-size: 1.02rem;
}
.prose hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2rem 0;
}
.prose .table-wrap { overflow-x: auto; margin: 1rem 0 1.25rem; }
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  color: var(--muted);
}
.prose th, .prose td {
  border: 1px solid var(--line);
  padding: 0.45rem 0.65rem;
  text-align: left;
}
.prose th {
  color: var(--ink);
  background: var(--bg-elev);
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
}
.prose tr:nth-child(even) td { background: rgba(255,255,255,0.02); }
.prose figure.chart {
  margin: 1.5rem 0;
  padding: 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.prose figure.chart img,
.prose figure.chart object,
.prose figure.chart svg {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
}
.prose figure.chart figcaption {
  margin-top: 0.65rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--dim);
}
.prose a { color: var(--green); text-decoration: none; }
.prose a:hover { text-decoration: underline; }
.prose code {
  font-family: var(--mono); font-size: 0.88em; background: var(--bg-elev);
  border: 1px solid var(--line); border-radius: 4px; padding: 0.05em 0.35em;
}
.prose pre {
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
  padding: 0.9rem 1rem; overflow-x: auto; font-family: var(--mono); font-size: 0.84rem;
}
.prose pre code { background: none; border: 0; padding: 0; }
footer {
  border-top: 1px solid var(--line); padding: 2rem 0 2.75rem; color: var(--dim); font-size: 0.88rem;
}
.foot-inner {
  display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem; justify-content: space-between; align-items: center;
}
footer a { color: var(--muted); }
footer a:hover { color: var(--green); }
.foot-mono { font-family: var(--mono); font-size: 0.8rem; }
.signup .hp { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }
.form-msg { margin-top: 0.75rem; font-family: var(--mono); font-size: 0.85rem; color: var(--green); }
.about { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 1.25rem; }
@media (max-width: 800px) { .about { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}