/* Pure black/white foundation. RGB is reserved for lighting. */
:root {
  --background: #000000;
  --foreground: #ffffff;
  --surface: #090909;
  --line: #262626;
  --spectrum: linear-gradient(110deg, #00e5ff, #8854ff, #ff34b3, #ff8034, #00e5ff);
  --max-width: 1440px;
  color-scheme: dark;
  overflow-x: clip;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; background: var(--background); color: var(--foreground); font: 14px/1.65 Arial, Helvetica, sans-serif; -webkit-font-smoothing: antialiased; }
::selection { background: #ffffff; color: #000000; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: #ffffff; cursor: pointer; border: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible { outline: 2px solid #ffffff; outline-offset: 5px; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 900; line-height: 1.03; letter-spacing: -.04em; }
.shell { width: min(calc(100% - 88px), var(--max-width)); margin-inline: auto; }
.section-block { padding-block: 38px; }
.overline, .micro, .button, .system-bar, .section-number, .game-type, .card-number, .selected-tag, .selection-hint, .hero-pagination, .hero-corner { font-family: Consolas, 'Courier New', monospace; }
.overline { font-size: 9px; letter-spacing: .12em; line-height: 1.6; }
.micro { font-size: 9px; letter-spacing: .09em; opacity: .65; }
.outline-word { color: transparent; -webkit-text-stroke: 1px #ffffff; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 17px; min-height: 44px; padding: 13px 18px; font-size: 10px; font-weight: bold; letter-spacing: .02em; line-height: 1.5; transition: transform .25s, box-shadow .25s, background .25s; }
.button-white { background: #ffffff; color: #000000; }
.button-white:hover { transform: translateY(-3px); box-shadow: -4px 4px 0 #00e5ff, 4px -4px 0 #ff34b3; }
.button-ghost { background: #00000066; border: 1px solid #ffffff55; }
.button-ghost:hover { background: #ffffff15; border-color: #ffffff; }
.text-link { display: inline-flex; align-items: center; gap: 28px; font: bold 10px Consolas, monospace; border-bottom: 1px solid #ffffff55; padding-bottom: 12px; }
.text-link span { font-size: 22px; }
.text-link:hover { text-shadow: -2px 0 #00e5ff, 2px 0 #ff34b3; }
.skip-link { position: fixed; top: -80px; left: 20px; padding: 12px 20px; color: #000000; background: #ffffff; z-index: 100; }
.skip-link:focus { top: 15px; }
.section-top, .title-row { display: flex; align-items: center; gap: 16px; }
.section-top { justify-content: space-between; margin-bottom: 21px; }
.section-top h2 { font-size: 21px; letter-spacing: -.025em; }
.section-number { font-size: 10px; opacity: .5; }
.noscript-note { text-align: center; padding: 20px; }
[hidden] { display: none !important; }