/* Layout: a vector-arcade cabinet. HUD bar on top, a live vector-graphics attract screen as the hero,
   then the game cabinets, the tools bench, the professional work, a high-score table of the originals. */
:root {
  /* Single deliberate dark look: a CRT tube, never a light page. */
  color-scheme: dark;
  --screen: #05080d;        /* glass of the tube */
  --panel: #0a1119;         /* cabinet side panels */
  --grid: #14304a;          /* vector grid lines */
  --cyan: #5ce1ff;          /* primary vector beam */
  --amber: #ffb347;         /* score / HUD digits */
  --magenta: #ff4fd8;       /* highlight beam, used sparingly */
  --green: #72ff8f;         /* "ready" / detected states */
  --text: #d5e3ee;
  --dim: #7d91a5;
  --line: rgba(92, 225, 255, .28);

  --display: "Audiowide", "Orbitron", "Arial Black", sans-serif;
  --body: "Chakra Petch", "Segoe UI", system-ui, sans-serif;
  --hud: "VT323", "Courier New", ui-monospace, monospace;

  --gutter: clamp(16px, 4vw, 48px);
  --max: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--screen);
  color: var(--text);
  font: 400 16px/1.6 var(--body);
  overflow-x: hidden;
}
a { color: var(--cyan); }
a:focus-visible, button:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 2px solid var(--amber); outline-offset: 3px;
}
.wrap { max-width: var(--max); margin: 0 auto; padding-inline: var(--gutter); }

/* ---------- CRT overlay ---------- */
.crt::after {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 50;
  background:
    repeating-linear-gradient(to bottom, rgba(0,0,0,0) 0 2px, rgba(0,0,0,.22) 2px 3px),
    radial-gradient(ellipse at center, rgba(0,0,0,0) 60%, rgba(0,0,0,.45) 100%);
}

/* ---------- HUD bar ---------- */
.hud {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 40;
  background: rgba(5, 8, 13, .88); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.hud .wrap {
  display: flex; align-items: center; gap: 12px 24px; flex-wrap: wrap;
  padding-block: 10px;
  font-family: var(--hud); font-size: 22px; letter-spacing: .04em;
}
.hud .one-up { color: var(--amber); text-shadow: 0 0 8px rgba(255,179,71,.6); white-space: nowrap; }
.hud .one-up b { color: var(--text); font-weight: 400; }
.hud nav { display: flex; gap: 4px 18px; flex-wrap: wrap; margin-left: auto; }
.hud nav a { color: var(--cyan); text-decoration: none; text-transform: uppercase; }
.hud nav a:hover { color: var(--magenta); text-shadow: 0 0 8px var(--magenta); }
.crt-toggle {
  font: inherit; color: var(--dim); background: none; border: 1px solid var(--line);
  padding: 0 10px; cursor: pointer; text-transform: uppercase;
}
.crt-toggle[aria-pressed="true"] { color: var(--green); border-color: var(--green); }

/* ---------- Hero / attract screen ---------- */
.hero { position: relative; border-bottom: 1px solid var(--line); overflow: hidden; }
#attract { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hero .wrap { position: relative; padding-block: clamp(56px, 10vw, 120px) clamp(48px, 8vw, 96px); }
.eyebrow {
  font-family: var(--hud); font-size: 24px; color: var(--amber); letter-spacing: .12em;
  text-transform: uppercase; margin: 0 0 12px;
}
.blink { animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero h1 {
  font-family: var(--display); font-weight: 400; margin: 0;
  font-size: clamp(34px, 7vw, 84px); line-height: 1.02; letter-spacing: .02em;
  color: var(--cyan); text-wrap: balance;
  text-shadow: 0 0 6px rgba(92,225,255,.8), 0 0 28px rgba(92,225,255,.35);
}
.hero h1 span { display: block; color: var(--text); font-size: .42em; letter-spacing: .3em; margin-top: 14px;
  text-shadow: 0 0 10px rgba(213,227,238,.25); }
.hero p.lede { max-width: 58ch; font-size: 18px; color: var(--text); margin: 24px 0 0; }
.hero .stats {
  display: flex; flex-wrap: wrap; gap: 8px 28px; margin: 28px 0 0; padding: 0; list-style: none;
  font-family: var(--hud); font-size: 24px; color: var(--dim); text-transform: uppercase;
}
.hero .stats b { color: var(--amber); font-weight: 400; font-variant-numeric: tabular-nums; margin-right: 6px; }
.hero .ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--hud); font-size: 22px; letter-spacing: .06em; text-transform: uppercase;
  text-decoration: none; cursor: pointer;
  padding: 6px 16px; border: 1px solid currentColor; background: transparent; color: var(--cyan);
  transition: box-shadow .15s, color .15s, background .15s;
}
.btn:hover { box-shadow: 0 0 14px currentColor, inset 0 0 10px rgba(92,225,255,.18); }
.btn.primary { color: var(--screen); background: var(--amber); border-color: var(--amber); }
.btn.primary:hover { box-shadow: 0 0 18px rgba(255,179,71,.75); }
.btn.ghost { color: var(--dim); }
.btn.ghost:hover { color: var(--text); }
.btn[aria-disabled="true"] { color: var(--dim); background: transparent; border-color: var(--line); box-shadow: none; cursor: default; }

/* ---------- Sections ---------- */
section.block { padding-block: clamp(56px, 8vw, 96px) 0; }
.sec-head { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 28px; }
.sec-head h2 {
  font-family: var(--display); font-weight: 400; margin: 0; letter-spacing: .04em;
  font-size: clamp(26px, 4vw, 40px); color: var(--text); text-wrap: balance;
}
.sec-head h2 em { font-style: normal; color: var(--magenta); text-shadow: 0 0 10px rgba(255,79,216,.5); }
.sec-head p { margin: 0; color: var(--dim); max-width: 62ch; }

/* ---------- Platform picker ---------- */
.platform {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px;
  padding: 12px 16px; margin-bottom: 24px;
  border: 1px dashed var(--line); background: var(--panel);
  font-family: var(--hud); font-size: 22px; text-transform: uppercase;
}
.platform .led { width: 10px; height: 10px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }
.platform .what { color: var(--green); }
.platform label { color: var(--dim); margin-left: auto; display: flex; gap: 10px; align-items: center; }
.platform select {
  font: inherit; font-size: 20px; color: var(--amber); background: var(--screen);
  border: 1px solid var(--line); padding: 2px 6px; text-transform: uppercase;
}
.platform .note { flex-basis: 100%; font-family: var(--body); font-size: 14px; text-transform: none; color: var(--dim); }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.chip {
  font-family: var(--hud); font-size: 20px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--dim); background: none; border: 1px solid var(--line); padding: 2px 12px; cursor: pointer;
}
.chip[aria-pressed="true"] { color: var(--screen); background: var(--cyan); border-color: var(--cyan); }

/* ---------- Game cabinets ---------- */
.cabinets { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr)); gap: 28px; }
.cab { display: flex; flex-direction: column; min-width: 0; }
.cab .tube {
  position: relative; aspect-ratio: 16 / 9; max-width: 100%;
  border: 1px solid var(--line); background: #000; overflow: hidden;
}
.cab .tube img, .cab .tube canvas { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(1.1) contrast(1.05); }
.cab .tube::before, .cab .tube::after { /* corner brackets */
  content: ""; position: absolute; width: 18px; height: 18px; border: 2px solid var(--cyan); z-index: 2; opacity: .8;
}
.cab .tube::before { top: 6px; left: 6px; border-right: 0; border-bottom: 0; }
.cab .tube::after { bottom: 6px; right: 6px; border-left: 0; border-top: 0; }
.cab .tube .year {
  position: absolute; top: 8px; right: 10px; z-index: 2;
  font-family: var(--hud); font-size: 20px; color: var(--amber); background: rgba(0,0,0,.72); padding: 0 8px;
}
.cab:hover .tube { border-color: var(--cyan); box-shadow: 0 0 22px rgba(92,225,255,.25); }
.cab h3 { font-family: var(--display); font-weight: 400; font-size: 22px; margin: 16px 0 2px; color: var(--cyan); letter-spacing: .03em; }
.cab .after { font-family: var(--hud); font-size: 19px; color: var(--amber); text-transform: uppercase; letter-spacing: .04em; }
.cab p.desc { margin: 8px 0 14px; color: var(--text); font-size: 15px; }
.cab .acts { margin-top: auto; display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-start; }
.cab .acts .btn { font-size: 19px; padding: 4px 12px; }
.cab details { flex-basis: 100%; font-size: 14px; }
.cab summary { cursor: pointer; color: var(--dim); font-family: var(--hud); font-size: 18px; text-transform: uppercase; }
.cab details ul { list-style: none; padding: 6px 0 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 2px 14px; }
.cab details a { font-family: var(--hud); font-size: 18px; text-decoration: none; }
.cab details a:hover { color: var(--magenta); }

/* ---------- Tools bench & work ---------- */
.bench { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 290px), 1fr)); gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.bench a {
  display: block; padding: 18px 20px 20px; text-decoration: none; color: var(--text); min-width: 0;
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.bench a:hover { background: var(--panel); }
.bench a:hover strong { color: var(--magenta); }
.bench strong { display: block; font-family: var(--hud); font-size: 22px; font-weight: 400; color: var(--cyan); letter-spacing: .03em; overflow-wrap: anywhere; }
.bench span { display: block; font-size: 14px; color: var(--dim); margin-top: 4px; }
.bench em { display: block; margin-top: 8px; font-style: normal; font-family: var(--hud); font-size: 18px; color: var(--green); text-transform: uppercase; }

.work { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 440px), 1fr)); gap: 24px; }
.job { border: 1px solid var(--line); background: var(--panel); padding: 20px 22px; min-width: 0; }
.job h3 { margin: 0; font-family: var(--display); font-weight: 400; font-size: 20px; color: var(--text); letter-spacing: .03em; }
.job .kind { font-family: var(--hud); font-size: 19px; color: var(--amber); text-transform: uppercase; }
.job .priv { color: var(--dim); }
.job p { margin: 10px 0 14px; font-size: 15px; color: var(--text); }
.job .links { display: flex; flex-wrap: wrap; gap: 6px 16px; font-family: var(--hud); font-size: 19px; text-transform: uppercase; }
.job .links a { text-decoration: none; }
.job .links a:hover { color: var(--magenta); }

/* ---------- High-score table ---------- */
.scores-box { overflow-x: auto; border: 1px solid var(--line); background: #000; padding: 20px clamp(12px, 3vw, 32px); }
.scores-box h3 {
  text-align: center; margin: 0 0 14px; font-family: var(--hud); font-weight: 400; font-size: 30px;
  color: var(--magenta); letter-spacing: .2em; text-shadow: 0 0 10px rgba(255,79,216,.6);
}
table.scores { width: 100%; min-width: 560px; border-collapse: collapse; font-family: var(--hud); font-size: 22px; text-transform: uppercase; }
.scores th { color: var(--dim); font-weight: 400; text-align: left; padding: 4px 10px; border-bottom: 1px solid var(--line); }
.scores td { padding: 3px 10px; font-variant-numeric: tabular-nums; }
.scores td:nth-child(1) { color: var(--amber); }
.scores td:nth-child(2) { color: var(--text); }
.scores td:nth-child(3) { color: var(--cyan); }
.scores td:nth-child(4) a { color: var(--green); text-decoration: none; }
.scores td:nth-child(4) a:hover { text-shadow: 0 0 8px var(--green); }
.scores tr:hover td { background: rgba(92,225,255,.06); }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.about p { max-width: 62ch; margin: 0 0 14px; font-size: 17px; }
.about .card { border: 1px solid var(--line); padding: 20px 22px; background: var(--panel); font-family: var(--hud); font-size: 22px; }
.about .card .portrait {
  display: block; width: 100%; max-width: 220px; height: auto; aspect-ratio: 1; margin-bottom: 16px;
  border: 1px solid var(--line); filter: saturate(.85) contrast(1.05);
}
.about .card dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; }
.about .card dt { color: var(--dim); text-transform: uppercase; }
.about .card dd { margin: 0; color: var(--amber); overflow-wrap: anywhere; }
.about .card dd a { color: var(--cyan); text-decoration: none; }
@media (max-width: 760px) { .about { grid-template-columns: 1fr; } }

.linux-note { margin: 24px 0 0; color: var(--dim); font-size: 14px; }
.linux-note code { font-family: var(--hud); font-size: 18px; color: var(--amber); }
img { max-width: 100%; }
[hidden] { display: none !important; }

@media (max-width: 640px) {
  .hud { position: static; }
  .hud .wrap { font-size: 19px; gap: 6px 14px; }
  .hud nav { order: 3; flex-basis: 100%; margin-left: 0; gap: 4px 14px; }
  .crt-toggle { margin-left: auto; }
}

footer { margin-top: clamp(56px, 8vw, 96px); border-top: 1px solid var(--line); }
footer .wrap { padding-block: 24px 40px; display: flex; flex-wrap: wrap; gap: 8px 24px; color: var(--dim); font-size: 13px; }
footer .stamp { font-family: var(--hud); font-size: 19px; color: var(--amber); text-transform: uppercase; }

@media (prefers-reduced-motion: reduce) {
  .blink { animation: none; }
  html { scroll-behavior: auto; }
}