:root {
  --bg: #070b12;
  --bg-2: #0d1524;
  --panel: #111a2b;
  --panel-2: #162235;
  --line: #243247;
  --line-hot: #2f4668;
  --ink: #e8eef7;
  --muted: #8b9bb4;
  --cyan: #22d3ee;
  --cyan-dim: rgba(34, 211, 238, .12);
  --amber: #f59e0b;
  --amber-dim: rgba(245, 158, 11, .14);
  --ok: #34d399;
  --ok-dim: rgba(52, 211, 153, .12);
  --warn: #fbbf24;
  --bad: #f87171;
  --mono: ui-monospace, "Cascadia Mono", "Cascadia Code", Consolas, monospace;
  --sans: "Segoe UI", system-ui, sans-serif;
  --max: 820px;
  --max-wide: 1120px;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font: 17px/1.55 var(--sans);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(34,211,238,.08), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(245,158,11,.06), transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, #05080f 100%);
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .28;
  background-image:
    linear-gradient(rgba(36,50,71,.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36,50,71,.35) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, #000 25%, transparent 78%);
}
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
.top {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(12px);
  background: rgba(7, 11, 18, .86);
  border-bottom: 1px solid var(--line);
}
.top-inner {
  max-width: var(--max-wide); margin: 0 auto; padding: 12px 18px;
  display: flex; gap: 14px; align-items: center; justify-content: space-between; flex-wrap: wrap;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-weight: 700; letter-spacing: .04em; color: var(--ink);
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 28px; height: 28px; border: 1px solid var(--cyan); border-radius: 6px;
  display: grid; place-items: center; color: var(--cyan); font-size: 12px;
}
.brand small { display: block; color: var(--muted); font-weight: 500; font-size: 11px; letter-spacing: .08em; }
.top-links { display: flex; gap: 8px; flex-wrap: wrap; }
.top-links a {
  font: 600 12px/1 var(--mono); letter-spacing: .04em; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 8px 12px;
}
.top-links a:hover { color: var(--ink); text-decoration: none; border-color: var(--line-hot); }
.wrap { position: relative; max-width: var(--max); margin: 0 auto; padding: 28px 18px 80px; }
.wrap.wide { max-width: var(--max-wide); }
.kicker {
  font: 600 12px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--amber);
  margin: 0 0 12px;
}
h1 { margin: 0 0 12px; font-size: clamp(26px, 4vw, 38px); line-height: 1.15; letter-spacing: -.02em; }
h1 span { color: var(--cyan); }
h2 { margin: 28px 0 10px; font-size: 22px; }
h3 { margin: 18px 0 8px; font-size: 17px; }
.lede { margin: 0 0 18px; color: var(--muted); font-size: 18px; }
.meta { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 18px; }
.chip {
  font: 600 11px/1 var(--mono); letter-spacing: .04em; text-transform: uppercase;
  padding: 5px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted);
}
.chip.cyan { color: var(--cyan); border-color: rgba(34,211,238,.35); background: var(--cyan-dim); }
.chip.amber { color: var(--amber); border-color: rgba(245,158,11,.35); background: var(--amber-dim); }
.chip.ok { color: var(--ok); border-color: rgba(52,211,153,.35); background: var(--ok-dim); }
.panel {
  background: rgba(17, 26, 43, .92);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 18px 8px;
  margin: 16px 0;
}
.panel > :last-child { margin-bottom: 12px; }
.check { list-style: none; padding: 0; margin: 0 0 12px; }
.check li {
  position: relative; padding: 10px 12px 10px 42px;
  border: 1px solid var(--line); border-radius: 10px; margin: 8px 0; background: var(--panel-2);
}
.check li::before {
  content: "☐";
  position: absolute; left: 14px; top: 10px;
  font-family: var(--mono); color: var(--cyan);
}
.step-block {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-2);
  padding: 14px 16px;
  margin: 12px 0;
}
.step-block .n {
  font: 700 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--cyan);
  margin-bottom: 8px;
}
.step-block h3 { margin: 0 0 8px; }
.step-block .check-done {
  margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line);
  color: var(--ok); font-size: 14px; font-family: var(--mono);
}
.note {
  border-left: 3px solid var(--amber); background: var(--amber-dim);
  padding: 10px 14px; border-radius: 0 10px 10px 0; margin: 12px 0; font-size: 15px;
}
.note.cyan { border-left-color: var(--cyan); background: var(--cyan-dim); }
.note.ok { border-left-color: var(--ok); background: var(--ok-dim); }
.note.bad { border-left-color: var(--bad); background: rgba(248,113,113,.12); }
table.t { width: 100%; border-collapse: collapse; font-size: 15px; margin: 8px 0 14px; }
table.t th, table.t td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
table.t th {
  background: var(--bg-2); color: var(--amber);
  font-family: var(--mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase;
}
pre, code { font-family: var(--mono); }
pre {
  background: #0a101b; border: 1px solid var(--line); border-radius: 12px;
  padding: 14px; overflow-x: auto; font-size: 13px; line-height: 1.45; color: #d7e6f5;
}
.toc { display: grid; gap: 6px; margin: 0 0 8px; }
.toc a {
  font-family: var(--mono); font-size: 13px; color: var(--muted);
  border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px;
}
.toc a:hover { color: var(--ink); border-color: var(--line-hot); text-decoration: none; }
.btn {
  display: inline-block;
  font: 600 13px/1 var(--mono); letter-spacing: .04em; text-transform: uppercase;
  border-radius: 10px; padding: 11px 14px; border: 1px solid var(--cyan);
  background: var(--cyan-dim); color: var(--cyan);
}
.btn:hover { text-decoration: none; background: rgba(34,211,238,.22); }
.btn.solid { background: var(--cyan); color: #041018; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.card {
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  display: flex; flex-direction: column; min-height: 100%;
}
.card-img {
  aspect-ratio: 4/3; background: #0a101b center/cover no-repeat; border-bottom: 1px solid var(--line);
  position: relative;
}
.card-img::after {
  content: attr(data-tag);
  position: absolute; left: 10px; top: 10px;
  font: 600 11px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase;
  padding: 6px 8px; border-radius: 999px; background: rgba(7,11,18,.82); color: var(--amber);
  border: 1px solid rgba(245,158,11,.35);
}
.card-body { padding: 14px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-body h3 { margin: 0; font-size: 17px; }
.blurb { margin: 0; color: var(--muted); font-size: 14px; flex: 1; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.filters button, nav button {
  font: 600 12px/1 var(--mono); letter-spacing: .05em; text-transform: uppercase;
  border-radius: 999px; padding: 8px 12px; cursor: pointer;
  border: 1px solid var(--line); background: transparent; color: var(--muted);
}
.filters button.on, nav button.on { color: #041018; background: var(--amber); border-color: var(--amber); }
nav button.on { background: var(--cyan); border-color: var(--cyan); }
.search {
  width: 100%; max-width: 420px; margin-bottom: 14px;
  font: 15px/1.3 var(--sans); color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 11px 12px;
}
.search:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(34,211,238,.12); }
.hero {
  padding: 18px 0 8px;
  display: grid; grid-template-columns: 1.3fr .9fr; gap: 28px; align-items: end;
}
@media (max-width: 860px) { .hero { grid-template-columns: 1fr; } }
.hero-card {
  background: linear-gradient(160deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line-hot); border-radius: 14px; padding: 18px;
}
.hero-card .row { display: flex; justify-content: space-between; gap: 8px; margin: 8px 0; font-family: var(--mono); font-size: 13px; }
.hero-card .lbl { color: var(--muted); }
.hero-card .val { color: var(--cyan); }
.section-title {
  margin: 28px 0 8px;
  font: 700 12px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--amber);
}
footer {
  margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 13px; font-family: var(--mono);
}
.wire { font-family: var(--mono); font-size: 14px; }
img.shot {
  width: 100%; max-height: 260px; object-fit: contain; background: #0a101b;
  border: 1px solid var(--line); border-radius: 12px; margin: 8px 0 12px;
}