:root {
  --bg: #0b0b14;
  --bg2: #121222;
  --ink: #e8e6ff;
  --muted: #9a97c4;
  --line: #2b2a4a;
  --pink: #ff4fa3;
  --cyan: #55e6ff;
  --lime: #b6ff5c;
  --yellow: #ffd75e;
  --violet: #a78bfa;
  --orange: #ff9f45;
  --shadow: #000;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  background:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px) 0 0 / 100% 16px,
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px) 0 0 / 16px 100%,
    radial-gradient(1200px 600px at 50% -10%, #1a1338 0%, var(--bg) 60%);
  color: var(--ink);
  font-family: ui-monospace, "SFMono-Regular", "Cascadia Code", "Courier New", monospace;
  line-height: 1.65;
  overflow-x: hidden;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0,0,0,0) 0px,
    rgba(0,0,0,0) 3px,
    rgba(0,0,0,.18) 4px
  );
  mix-blend-mode: multiply;
  opacity: .35;
  z-index: 50;
}
a { color: var(--cyan); text-decoration: none; }
a:hover { color: var(--pink); }
img, svg { max-width: 100%; }
.wrap { width: min(1040px, calc(100% - 40px)); margin: 0 auto; }

/* ---------- header ---------- */
header.site {
  padding: 28px 0 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.logo {
  font-weight: 900;
  letter-spacing: .18em;
  font-size: 20px;
  color: var(--ink);
  text-shadow: 3px 3px 0 var(--pink), 6px 6px 0 rgba(85,230,255,.35);
}
.logo a { color: inherit; }
nav.main { display: flex; gap: 16px; font-size: 12px; letter-spacing: .08em; flex-wrap: wrap; }
nav.main a { color: var(--muted); }
nav.main a:hover, nav.main a[aria-current="page"] { color: var(--lime); }
nav.main a[aria-current="page"]::before { content: "■ "; color: var(--pink); }

/* ---------- hero ---------- */
.hero {
  margin: 26px 0 34px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 28px;
  align-items: center;
}
.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(34px, 6vw, 68px);
  line-height: .95;
  letter-spacing: -.02em;
  text-transform: uppercase;
  text-shadow: 4px 4px 0 #000, 8px 8px 0 rgba(255,79,163,.28);
}
.hero h1 span { color: var(--pink); }
.hero p { color: var(--muted); margin: 0 0 18px; max-width: 48ch; }
.badge {
  display: inline-block;
  padding: 6px 10px;
  border: 2px solid var(--line);
  background: var(--bg2);
  color: var(--lime);
  font-size: 12px;
  letter-spacing: .12em;
  box-shadow: 4px 4px 0 #000;
}
.btn {
  display: inline-block;
  margin: 6px 8px 0 0;
  padding: 10px 14px;
  border: 2px solid var(--line);
  background: var(--bg2);
  color: var(--ink);
  font-size: 13px;
  letter-spacing: .06em;
  box-shadow: 5px 5px 0 #000;
  transition: transform .12s steps(2), border-color .12s steps(2);
}
.btn:hover { transform: translate(-2px, -2px); border-color: var(--pink); color: var(--lime); }
.btn.primary { background: var(--pink); color: #0b0b14; border-color: #000; }
.btn.primary:hover { color: #0b0b14; border-color: #000; }

.scene {
  border: 4px solid var(--line);
  background: #070711;
  box-shadow: 8px 8px 0 #000, 0 0 40px rgba(85,230,255,.12);
  image-rendering: pixelated;
}
.scene svg { display: block; width: 100%; height: auto; shape-rendering: crispEdges; }

/* ---------- sections ---------- */
section.block { margin: 46px 0; }
h2 {
  font-size: 14px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 16px;
}
h2::before { content: "■ "; color: var(--pink); }
h3 { margin: 10px 0 8px; font-size: 17px; letter-spacing: .03em; }
.lead { color: var(--muted); max-width: 72ch; margin: -4px 0 22px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.grid.four { grid-template-columns: repeat(4, 1fr); }
.card {
  display: block;
  background: linear-gradient(180deg, var(--bg2), #0d0d18);
  border: 2px solid var(--line);
  padding: 18px;
  box-shadow: 6px 6px 0 #000;
  transition: transform .12s steps(2), border-color .12s steps(2);
  color: var(--ink);
}
.card:hover { transform: translate(-2px, -2px); border-color: var(--pink); color: var(--ink); }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.card .more { display: inline-block; margin-top: 12px; color: var(--lime); font-size: 12px; letter-spacing: .08em; }
.icon {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border: 2px solid var(--line);
  background: #08080f;
  box-shadow: 3px 3px 0 #000;
}
.icon i { display: block; width: 18px; height: 18px; background: var(--pink); box-shadow: 9px 0 0 var(--cyan), 0 9px 0 var(--yellow); }

/* ---------- palette ---------- */
.palette { display: flex; flex-wrap: wrap; gap: 10px; }
.swatch {
  width: 92px;
  border: 2px solid var(--line);
  background: #08080f;
  box-shadow: 4px 4px 0 #000;
  font-size: 10px;
  color: var(--muted);
  text-align: center;
  padding-bottom: 4px;
}
.swatch b { display: block; height: 48px; margin-bottom: 6px; }
.swatch span { display: block; padding: 0 4px 2px; word-break: break-all; }

/* ---------- terminal / code ---------- */
.terminal {
  border: 2px solid var(--line);
  background: #07070d;
  box-shadow: 6px 6px 0 #000;
  padding: 16px 18px;
  color: var(--lime);
  font-size: 14px;
  overflow-x: auto;
}
.terminal .prompt { color: var(--pink); }
.caret { display: inline-block; width: 9px; height: 16px; background: var(--lime); vertical-align: -2px; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
code, pre {
  font-family: inherit;
  background: #07070d;
  border: 1px solid var(--line);
}
code { padding: 1px 5px; color: var(--yellow); }
pre { padding: 14px 16px; overflow-x: auto; box-shadow: 5px 5px 0 #000; color: var(--lime); }

/* ---------- timeline ---------- */
.timeline { position: relative; margin: 10px 0 0; padding-left: 26px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px; top: 4px; bottom: 4px;
  width: 4px;
  background: repeating-linear-gradient(to bottom, var(--line) 0 8px, transparent 8px 14px);
}
.timeline .item { position: relative; margin: 0 0 26px; }
.timeline .item::before {
  content: "";
  position: absolute;
  left: -26px; top: 6px;
  width: 12px; height: 12px;
  background: var(--pink);
  box-shadow: 0 0 0 4px #0b0b14, 0 0 0 6px var(--line);
}
.timeline .year { color: var(--yellow); font-weight: 700; letter-spacing: .1em; }
.timeline p { margin: 4px 0 0; color: var(--muted); }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; border: 2px solid var(--line); box-shadow: 6px 6px 0 #000; }
table.pixel {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: #0a0a14;
}
table.pixel th, table.pixel td { padding: 10px 12px; border-bottom: 2px solid var(--line); text-align: left; vertical-align: top; }
table.pixel th { color: var(--cyan); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; background: #08080f; }
table.pixel tr:last-child td { border-bottom: 0; }
table.pixel td { color: var(--muted); }
table.pixel td:first-child { color: var(--ink); }

/* ---------- prose / article ---------- */
.prose { max-width: 78ch; }
.prose h3 { color: var(--ink); margin-top: 28px; }
.prose p { color: var(--muted); margin: 0 0 14px; }
.prose ul, .prose ol { color: var(--muted); padding-left: 22px; }
.prose li { margin: 4px 0; }
.prose blockquote {
  margin: 18px 0;
  padding: 12px 16px;
  border-left: 6px solid var(--pink);
  background: #0d0d18;
  color: var(--ink);
}
.note {
  border: 2px dashed var(--line);
  background: #0a0a14;
  padding: 12px 14px;
  color: var(--muted);
  font-size: 14px;
  margin: 18px 0;
}
.note b { color: var(--lime); }

/* ---------- gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.art-card {
  border: 2px solid var(--line);
  background: #08080f;
  box-shadow: 6px 6px 0 #000;
  padding: 10px;
}
.art-card svg { display: block; width: 100%; height: auto; shape-rendering: crispEdges; background: #070711; }
.art-card .caption { padding: 8px 4px 2px; font-size: 12px; color: var(--muted); display: flex; justify-content: space-between; gap: 8px; }
.art-card .caption b { color: var(--ink); font-weight: 500; }

/* ---------- page header / breadcrumbs ---------- */
.crumbs { font-size: 12px; color: var(--muted); letter-spacing: .06em; margin: 24px 0 4px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--cyan); }
.page-title {
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1;
  margin: 8px 0 14px;
  text-transform: uppercase;
  text-shadow: 4px 4px 0 #000, 8px 8px 0 rgba(85,230,255,.18);
}
.page-title span { color: var(--cyan); }

/* ---------- steps ---------- */
.steps { counter-reset: step; display: grid; gap: 14px; }
.step {
  counter-increment: step;
  position: relative;
  border: 2px solid var(--line);
  background: #0d0d18;
  padding: 14px 16px 14px 58px;
  box-shadow: 5px 5px 0 #000;
}
.step::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 12px; top: 12px;
  color: var(--pink);
  font-weight: 700;
  font-size: 20px;
  text-shadow: 2px 2px 0 #000;
}
.step h3 { margin: 0 0 4px; }
.step p { margin: 0; color: var(--muted); font-size: 14px; }

/* ---------- sprite demo ---------- */
.sprite-demo {
  display: grid;
  place-items: center;
  border: 2px solid var(--line);
  background: #070711;
  box-shadow: 6px 6px 0 #000;
  padding: 18px;
}
.sprite-demo svg { width: min(260px, 70vw); height: auto; shape-rendering: crispEdges; }

/* ---------- footer ---------- */
footer.site {
  margin: 56px 0 30px;
  padding-top: 18px;
  border-top: 2px dashed var(--line);
  color: var(--muted);
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
footer.site a { color: var(--muted); }
footer.site a:hover { color: var(--cyan); }
.pixel-row { display: flex; gap: 6px; }
.pixel-row span { width: 10px; height: 10px; background: var(--line); }
.pixel-row span:nth-child(2) { background: var(--pink); }
.pixel-row span:nth-child(3) { background: var(--cyan); }
.pixel-row span:nth-child(4) { background: var(--yellow); }
.pixel-row span:nth-child(5) { background: var(--lime); }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
  .grid, .grid.four, .gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid, .grid.two, .grid.four, .gallery { grid-template-columns: 1fr; }
  nav.main { gap: 10px; font-size: 11px; }
  .hero h1 { font-size: 38px; }
}