/* CPC Workbench website. The colours are the CPC's mode 1 defaults: blue
   paper and border, bright yellow pen, bright cyan and bright red. */

@font-face {
  font-family: "Press Start 2P";
  src: url("/site/fonts/PressStart2P.woff") format("woff");
  font-display: swap;
}

:root {
  --blue: #000080;
  --blue-deep: #00005a;
  --bright-blue: #0000ff;
  --yellow: #ffff00;
  --cyan: #00ffff;
  --red: #ff0000;
  --green: #00c000;
  --white: #ffffff;
  --text: #e8e8ff;
  --casing: #2b2b30;
  --casing-hi: #45454c;
  --casing-lo: #151518;
  --pixel: "Press Start 2P", ui-monospace, monospace;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  --px: 4px; /* one "CPC pixel" for borders and shadows */
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--blue);
  color: var(--text);
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1.6;
}

a { color: var(--cyan); }
a:hover { color: var(--yellow); }
:focus-visible { outline: var(--px) solid var(--yellow); outline-offset: var(--px); }

h1, h2, h3, .prompt, .free, .file, .logo, .run-cmd {
  font-family: var(--pixel);
  font-weight: normal;
  letter-spacing: 0;
}

/* ---- top bar ---- */

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--yellow);
  text-decoration: none;
  font-size: 16px;
}
.logo img { image-rendering: pixelated; }
.nav { font-family: var(--pixel); font-size: 12px; text-decoration: none; }
.top-links { display: flex; align-items: center; gap: 20px; }

/* Language flags: the current one outlined in pen yellow, the other dimmed. */
.lang { display: flex; gap: 10px; }
.lang a { display: block; line-height: 0; opacity: 0.55; outline: 2px solid transparent; outline-offset: 2px; }
.lang a:hover, .lang a:focus-visible { opacity: 1; }
.lang a[aria-current] { opacity: 1; outline-color: var(--yellow); }
.lang svg { display: block; width: 24px; height: 16px; }

main { max-width: 1180px; margin: 0 auto; padding: 0 16px; }

/* ---- hero: a CTM644-ish monitor showing a boot screen ---- */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  padding: 32px 0 56px;
}

.monitor {
  background: linear-gradient(180deg, var(--casing-hi), var(--casing) 30%, var(--casing-lo));
  border-radius: 18px 18px 10px 10px;
  padding: 26px 26px 0;
  box-shadow: 0 24px 0 -12px #0a0a40, 0 30px 60px rgba(0, 0, 40, .6);
}
.screen {
  background: #050510;
  border-radius: 26px / 20px;
  padding: 18px;
  box-shadow: inset 0 0 0 3px #000, inset 0 0 30px rgba(0, 0, 0, .9);
}
.paper {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--blue);
  border-radius: 14px / 10px;
  padding: 6% 6%;
  color: var(--yellow);
  font-family: var(--pixel);
  font-size: clamp(8px, 1.4vw, 14px);
  line-height: 1; /* rows touch, as on the CPC; a blank row between paragraphs */
  text-shadow: 0 0 6px rgba(255, 255, 0, .45);
  overflow: hidden;
  box-shadow: inset 0 0 50px rgba(0, 0, 0, .55), 0 0 40px rgba(40, 40, 255, .35);
}
/* scanlines */
.paper::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(180deg, rgba(0, 0, 0, 0) 0 2px, rgba(0, 0, 0, .22) 2px 4px);
  pointer-events: none;
}
.paper p { margin: 0 0 1em; }
.paper p.ready { margin-bottom: 0; }

.typed { white-space: nowrap; }
.typed span:first-child {
  display: inline-block;
  vertical-align: bottom;
  overflow: hidden;
  width: 0;
  animation: type 1.2s steps(12, end) 1s forwards;
}
.cursor {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: top;
  background: var(--yellow);
  animation: blink 1s steps(1) infinite;
}
/* em, not ch: every Press Start 2P glyph is 1em wide, and ch can be
   resolved against the fallback font before the pixel font loads. */
@keyframes type { to { width: 12em; } }
@keyframes blink { 50% { opacity: 0; } }

.bezel {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 8px 16px;
}
.badge {
  font-family: var(--pixel);
  font-size: 9px;
  color: #b8b8c0;
}
.led {
  width: 10px;
  height: 10px;
  background: var(--red);
  box-shadow: 0 0 8px var(--red);
}

.pitch h1 {
  color: var(--yellow);
  font-size: clamp(18px, 2.4vw, 28px);
  line-height: 1.5;
  margin: 0 0 24px;
}
.lede { font-size: 18px; margin: 0 0 32px; color: var(--text); }
.models { margin: 24px 0 0; font-size: 15px; }

/* ---- the RUN button ---- */

.run {
  display: inline-flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 24px;
  background: var(--yellow);
  color: var(--blue);
  text-decoration: none;
  box-shadow:
    0 calc(-1 * var(--px)) 0 var(--yellow),
    0 var(--px) 0 var(--yellow),
    calc(2 * var(--px)) calc(2 * var(--px)) 0 var(--px) var(--red);
  transition: transform .08s;
}
.run:hover { color: var(--blue); background: var(--cyan); box-shadow:
    0 calc(-1 * var(--px)) 0 var(--cyan),
    0 var(--px) 0 var(--cyan),
    calc(2 * var(--px)) calc(2 * var(--px)) 0 var(--px) var(--red); }
.run:active { transform: translate(var(--px), var(--px)); }
.run-cmd { font-size: clamp(16px, 2.2vw, 24px); }
.run-sub { font-size: 15px; font-weight: 600; }

/* ---- the 464's red/green/blue badge stripes ---- */

.stripes {
  display: grid;
  gap: 6px;
  margin: 0 -16px;
}
.stripes span { display: block; height: 8px; }
.stripes span:nth-child(1) { background: var(--red); }
.stripes span:nth-child(2) { background: var(--green); }
.stripes span:nth-child(3) { background: var(--bright-blue); }

/* ---- features, as a CAT listing ---- */

.features { padding: 56px 0 40px; }
.prompt { color: var(--yellow); font-size: 16px; margin: 0 0 24px; }
.features h2 { color: var(--yellow); font-size: 16px; margin: 0 0 24px; }
.intro { max-width: 720px; font-size: 18px; margin: 0 0 40px; }

.cat {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.cat li {
  background: var(--blue-deep);
  padding: 20px 20px 22px;
  border: var(--px) solid var(--bright-blue);
  box-shadow: calc(2 * var(--px)) calc(2 * var(--px)) 0 #00003a;
}
.cat li:hover { border-color: var(--cyan); }
.file {
  display: flex;
  justify-content: space-between;
  color: var(--cyan);
  font-size: 11px;
  white-space: pre;
  margin-bottom: 16px;
}
.file b { font-weight: normal; }
.cat h3 {
  color: var(--yellow);
  font-size: 13px;
  line-height: 1.7;
  margin: 0 0 12px;
}
.cat p { margin: 0; font-size: 15px; }
.free { color: var(--yellow); font-size: 12px; margin: 32px 0 0; }

/* ---- desktop downloads: CAT entries that are links ---- */

.download { padding: 56px 0 40px; }
.download h2 { color: var(--yellow); font-size: 16px; margin: 0 0 24px; }
.dl li { padding: 0; }
.dl a {
  display: block;
  height: 100%;
  padding: 20px 20px 22px;
  color: var(--text);
  text-decoration: none;
}
.dl a:hover h3 { color: var(--cyan); }
.dl code { color: var(--cyan); overflow-wrap: anywhere; }

/* ---- closing call to action ---- */

.cta { padding: 40px 0 48px; text-align: center; }
.note { max-width: 620px; margin: 0 auto; font-size: 15px; }

footer {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 16px 40px;
  border-top: var(--px) solid var(--bright-blue);
  font-size: 13px;
  color: #b0b0e0;
}
footer p { margin: 0 0 6px; }

/* ---- small screens ---- */

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 32px; padding-top: 16px; }
  .paper { font-size: clamp(7px, 2.6vw, 13px); }
  .cat { grid-template-columns: 1fr; }
}
@media (max-width: 420px) {
  .logo { font-size: 12px; gap: 8px; }
  .top-links { gap: 12px; }
  .nav { font-size: 10px; }
  .monitor { padding: 14px 14px 0; }
  .screen { padding: 10px; }
  .lede, .intro { font-size: 16px; }
  .run { display: flex; }
}

@media (prefers-reduced-motion: reduce) {
  .typed span:first-child { animation: none; width: auto; }
  .cursor { animation: none; }
  .run { transition: none; }
}