/* FooPixel FX showcase · foopixel.com/fx
   Neon pixel arcade on the FooPixel navy. Every accent comes from --a and --b,
   which fx.js swaps (and animates) whenever the colour scheme changes. */

@property --a { syntax: "<color>"; inherits: true; initial-value: #2e68ff; }
@property --b { syntax: "<color>"; inherits: true; initial-value: #35ceff; }
@property --hi { syntax: "<color>"; inherits: true; initial-value: #35ceff; }

:root {
  --night: #07101f;
  --deep: #040a14;
  --panel: #0c1a2d;
  --panel-2: #0a1526;
  --ink: #f1f5ff;
  --muted: #9aaac0;
  --faint: #64758f;
  --line: rgba(211, 226, 255, 0.14);
  --dash: rgba(152, 183, 238, 0.3);

  --a: #2e68ff;
  --b: #35ceff;
  --hi: #35ceff;          /* the brighter of the pair, for text on dark */
  --on: #ffffff;          /* text on the gradient */
  --logo-hue: 0deg;
  --grad: linear-gradient(90deg, var(--a), var(--b));

  --display: "FX Pixel", ui-monospace, monospace;
  --led: "Doto", ui-monospace, monospace;
  --body: "Schibsted Grotesk", ui-sans-serif, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --page: min(1240px, calc(100vw - 64px));
  --bar-h: 66px;

  color-scheme: dark;
  transition: --a 0.7s ease, --b 0.7s ease, --hi 0.7s ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--bar-h) + 24px); }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  color: var(--ink);
  background: var(--night);
  font: 400 17px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
}
/* pixel grid + scheme glow behind everything */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(900px 620px at 88% -8%, color-mix(in srgb, var(--a) 26%, transparent), transparent 70%),
    radial-gradient(760px 620px at -8% 38%, color-mix(in srgb, var(--b) 13%, transparent), transparent 70%),
    linear-gradient(rgba(120, 160, 255, 0.05) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(90deg, rgba(120, 160, 255, 0.05) 1px, transparent 1px) 0 0 / 28px 28px;
}
body.party::before { animation: hue 4s linear infinite; }

.crt {
  position: fixed; inset: 0; z-index: 2147482000; pointer-events: none;
  background:
    repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.16) 0 1px, transparent 1px 3px),
    radial-gradient(ellipse at 50% 45%, transparent 62%, rgba(0, 0, 0, 0.42));
  opacity: 0.5;
}

a { color: var(--hi); text-underline-offset: 3px; }
main, .foot { overflow-x: clip; } /* pixels that bleed past the screen edge are cut, not scrollable */
kbd {
  display: inline-block; min-width: 1.7em; padding: 0 0.4em;
  border: 1px solid var(--line); border-bottom-width: 3px; border-radius: 6px;
  color: var(--ink); background: rgba(255, 255, 255, 0.04);
  font: 600 0.8em/1.6 var(--mono); text-align: center;
}
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 3000; padding: 10px 16px; border-radius: 10px; background: var(--ink); color: var(--night); font-weight: 700; }
.skip:focus { top: 12px; }
:focus-visible { outline: 2px solid var(--hi); outline-offset: 3px; }

/* ================= buttons ================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 22px;
  border: 1px solid var(--line); border-radius: 100px;
  color: var(--ink); background: rgba(255, 255, 255, 0.03);
  font: 700 15px/1 var(--body); letter-spacing: 0.01em; text-decoration: none;
  cursor: pointer; user-select: none;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease, box-shadow 0.16s ease;
}
.btn:hover { transform: translateY(-2px); border-color: rgba(211, 226, 255, 0.4); }
.btn:active { transform: translateY(1px) scale(0.98); }
.btn-grad {
  border-color: transparent; color: var(--on); background: var(--grad);
  box-shadow: 0 10px 30px -10px color-mix(in srgb, var(--b) 70%, transparent);
}
.btn-grad:hover { border-color: transparent; box-shadow: 0 14px 38px -8px color-mix(in srgb, var(--b) 85%, transparent); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.07); }
.btn-lg { min-height: 58px; padding: 0 30px; font-size: 16.5px; }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: 14px; }

/* ================= top bar ================= */
.bar {
  position: sticky; top: 0; z-index: 1000;
  display: flex; align-items: center; gap: 22px;
  min-height: var(--bar-h); padding: 10px max(20px, calc((100vw - 1320px) / 2));
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--night) 82%, transparent);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
}
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 700 19px/1 var(--display); white-space: nowrap; }
.brand img { width: 34px; height: 34px; filter: hue-rotate(var(--logo-hue)); }
.brand b, .foot-mark b { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav { display: flex; gap: 4px; margin-right: auto; }
.nav a { padding: 8px 11px; border-radius: 8px; color: var(--muted); font: 600 14px/1 var(--body); text-decoration: none; }
.nav a:hover { color: var(--ink); background: rgba(255, 255, 255, 0.05); }
.bar-tools { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.swatches { display: flex; gap: 6px; margin-right: 8px; }
.swatch {
  width: 24px; height: 24px; padding: 0; border: 0; border-radius: 5px; cursor: pointer;
  background: linear-gradient(135deg, var(--sa), var(--sb));
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.14) inset;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.swatch:hover { transform: translateY(-2px) scale(1.08); }
.swatch[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--night), 0 0 0 4px var(--sb), 0 0 18px var(--sb); transform: scale(1.06); }
.tool {
  display: inline-flex; align-items: center; gap: 7px;
  height: 38px; padding: 0 13px;
  border: 1px solid var(--line); border-radius: 100px;
  color: var(--muted); background: rgba(255, 255, 255, 0.03);
  font: 700 13px/1 var(--body); text-decoration: none; cursor: pointer; white-space: nowrap;
}
.tool svg { width: 16px; height: 16px; fill: currentColor; }
.tool .waves { fill: none; stroke: currentColor; stroke-width: 1.4; opacity: 0.3; }
.tool:hover { color: var(--ink); border-color: rgba(211, 226, 255, 0.35); }
.tool[aria-pressed="true"] { color: var(--on); border-color: transparent; background: var(--grad); }
.tool[aria-pressed="true"] .waves { opacity: 1; }
.tool-party { font-family: var(--display); font-size: 15px; letter-spacing: 0.04em; color: var(--ink); }
.tool-gh { color: var(--ink); }

/* ================= hero ================= */
.hero { position: relative; min-height: calc(100svh - var(--bar-h)); display: grid; align-items: center; padding: 40px 0 90px; }
.hero-inner { width: var(--page); margin: 0 auto; display: grid; grid-template-columns: 1.3fr 0.9fr; gap: 40px; align-items: center; }
.ticker {
  display: inline-flex; flex-wrap: wrap; align-items: center; gap: 8px;
  margin: 0 0 26px; padding: 7px 14px 7px 7px;
  border: 1px solid var(--line); border-radius: 100px; background: rgba(255, 255, 255, 0.03);
  color: var(--muted); font: 600 12.5px/1.2 var(--mono); letter-spacing: 0.04em;
}
.ticker i { font-style: normal; color: var(--faint); }
.ticker-tag { padding: 4px 9px; border-radius: 100px; background: var(--grad); color: var(--on); font-weight: 700; }
.hero-title { margin: 0; line-height: 1; }
.big {
  display: block; white-space: nowrap;
  font: 700 clamp(84px, 11.6vw, 176px)/0.82 var(--display);
  letter-spacing: -0.015em;
  text-shadow:
    0.04em 0 0 color-mix(in srgb, var(--a) 90%, transparent),
    -0.035em 0 0 color-mix(in srgb, var(--b) 75%, transparent),
    0 0 60px color-mix(in srgb, var(--b) 35%, transparent);
}
.ltr { display: inline-block; transition: transform 0.12s steps(3); cursor: default; }
.ltr:hover { transform: translateY(-0.07em); }
.ltr.hit { animation: jolt 0.45s steps(5); }
body.party .ltr { animation: bounce 0.5s steps(4) infinite alternate; animation-delay: calc(var(--i) * -0.08s); }
.line2 {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.18em;
  margin-top: 0.12em;
  font: italic 800 clamp(38px, 5.6vw, 84px)/1.05 var(--body);
  letter-spacing: -0.03em;
}
.rot {
  display: inline-block; margin: 0; padding: 0.06em 0.3em 0.1em;
  border: 0; border-radius: 0.14em; cursor: pointer;
  color: var(--on); background: var(--grad);
  font: 700 1em/1 var(--display); font-style: normal; letter-spacing: 0;
  box-shadow: 0 0.12em 0 color-mix(in srgb, var(--a) 55%, #000), 0 18px 50px -12px color-mix(in srgb, var(--b) 80%, transparent);
}
.rot.swap { animation: glitch 0.34s steps(4); }
.lede { max-width: 50ch; margin: 30px 0 0; color: var(--muted); font-size: clamp(17px, 1.4vw, 19.5px); }
.cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hint { display: flex; align-items: center; gap: 10px; margin: 26px 0 0; color: var(--faint); font: 500 13px/1.3 var(--mono); }
.hint-dot { width: 8px; height: 8px; background: var(--hi); box-shadow: 0 0 12px var(--hi); animation: blink 1.2s steps(2) infinite; }

.hero-art { position: relative; justify-self: center; width: min(430px, 100%); }
.logo-stage { position: relative; display: grid; place-items: center; aspect-ratio: 1; border-radius: 28px; }
.logo-stage img {
  width: 74%; height: auto; pointer-events: none;
  filter: hue-rotate(var(--logo-hue)) drop-shadow(0 20px 60px color-mix(in srgb, var(--b) 45%, transparent));
  animation: float 4.5s ease-in-out infinite;
}
.sticker {
  position: absolute; z-index: 2; padding: 7px 12px 8px;
  border-radius: 6px; font: 700 14px/1 var(--display); letter-spacing: 0.06em; white-space: nowrap;
  box-shadow: 0 6px 0 rgba(0, 0, 0, 0.35);
}
.sticker-a { top: 6%; left: -4%; transform: rotate(-8deg); color: var(--on); background: var(--grad); }
.sticker-b { bottom: 12%; right: -6%; transform: rotate(6deg); color: var(--night); background: var(--ink); }
.sticker-c { bottom: 2%; left: 8%; transform: rotate(-4deg); color: var(--hi); background: var(--deep); border: 1px solid var(--hi); }
.scroll-cue {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  display: inline-flex; gap: 8px; align-items: center;
  color: var(--faint); font: 600 12px/1 var(--mono); letter-spacing: 0.2em; text-transform: uppercase; text-decoration: none;
}
.scroll-cue b { color: var(--hi); animation: bob 1s steps(2) infinite; }

/* ================= sections ================= */
.sec { position: relative; width: var(--page); margin: 0 auto; padding: 130px 0 30px; }
.sec-head { position: relative; max-width: 820px; }
.sec-num {
  position: absolute; z-index: -1; top: -0.42em; left: -0.06em;
  font: 900 clamp(130px, 17vw, 240px)/1 var(--led);
  color: color-mix(in srgb, var(--hi) 16%, transparent);
  pointer-events: none; user-select: none;
}
.kicker {
  display: flex; align-items: center; gap: 10px; margin: 0 0 14px;
  color: var(--hi); font: 700 13px/1 var(--mono); letter-spacing: 0.2em; text-transform: uppercase;
}
.kicker::before { content: ""; width: 10px; height: 10px; background: var(--grad); box-shadow: 14px -6px 0 -2px var(--b); margin-right: 8px; }
.sec h2 { margin: 0; font: 700 clamp(42px, 6.2vw, 80px)/0.95 var(--display); letter-spacing: -0.01em; }
.sec h2 em, .charge h3 em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sec-lede { max-width: 62ch; margin: 20px 0 0; color: var(--muted); font-size: 18px; }

.reveal-ready .reveal:not(.in) { opacity: 0; transform: translateY(26px); }
.reveal { transition: opacity 0.6s ease, transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1); }

.toggle-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px; margin: 32px 0 34px; }
.toggle-note { color: var(--faint); font: 500 13px/1.3 var(--mono); }
.switch { display: inline-flex; align-items: center; gap: 12px; color: var(--muted); font: 600 15px/1.2 var(--body); cursor: pointer; }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.switch-ui {
  position: relative; flex: 0 0 46px; height: 26px; border-radius: 7px;
  border: 1px solid var(--line); background: var(--deep);
  transition: background 0.2s ease;
}
.switch-ui::after {
  content: ""; position: absolute; top: 4px; left: 4px; width: 16px; height: 16px; border-radius: 3px;
  background: var(--muted); transition: transform 0.2s steps(4), background 0.2s ease;
}
.switch input:checked + .switch-ui { border-color: transparent; background: var(--grad); }
.switch input:checked + .switch-ui::after { transform: translateX(20px); background: var(--night); }
.switch input:focus-visible + .switch-ui { outline: 2px solid var(--hi); outline-offset: 3px; }
.switch:hover { color: var(--ink); }

/* ================= 01 hover effects ================= */
.fx-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px; }
.fx-card {
  display: flex; flex-direction: column; min-height: 330px; padding: 30px;
  border: 1.5px dashed var(--dash); border-radius: 20px;
  background: color-mix(in srgb, var(--panel) 80%, transparent);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.fx-card:hover, .fx-card:focus-visible { border-color: var(--hi); background: color-mix(in srgb, var(--panel) 70%, color-mix(in srgb, var(--b) 6%, transparent)); }
.fx-card:focus-visible { outline-offset: 6px; }
.fx-card-head { display: flex; align-items: center; justify-content: space-between; }
.chip { padding: 6px 10px; border: 1px solid var(--line); border-radius: 6px; color: var(--hi); font: 700 12px/1 var(--mono); letter-spacing: 0.08em; }
.fx-no { font: 900 44px/1 var(--led); color: color-mix(in srgb, var(--hi) 45%, transparent); }
.fx-card h3 { margin: 18px 0 8px; font: 700 40px/1 var(--display); }
.fx-card p { margin: 0; max-width: 44ch; color: var(--muted); }
.uplink-body { display: flex; gap: 20px; align-items: flex-start; }
.uplink-body h3 { margin-top: 18px; }
.up-icon {
  flex: 0 0 56px; height: 56px; margin-top: 18px; display: grid; place-items: center;
  border: 1.5px solid var(--dash); border-radius: 50%; color: var(--hi); font: 700 26px/1 var(--display);
}
.fx-btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: auto; padding-top: 28px; }
.snip { margin-top: 18px; color: var(--faint); font: 500 12.5px/1.3 var(--mono); }
.fx-card-trace:hover { border-color: var(--dash); }

/* ================= 02 bursts ================= */
.keys { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.key {
  position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 6px;
  min-height: 186px; padding: 18px 18px 20px; text-align: left;
  border: 1px solid var(--line); border-radius: 16px;
  color: var(--ink); background: linear-gradient(180deg, #14263f, #0c1a2d 60%);
  box-shadow: 0 9px 0 #040a14, 0 9px 0 1px var(--line), inset 0 1px rgba(255, 255, 255, 0.08);
  font: inherit; cursor: pointer;
  transition: transform 0.07s ease, box-shadow 0.07s ease, border-color 0.2s ease;
}
.key:hover { border-color: color-mix(in srgb, var(--hi) 60%, transparent); }
.key:active, .key.down { transform: translateY(7px); box-shadow: 0 2px 0 #040a14, 0 2px 0 1px var(--line), inset 0 1px rgba(255, 255, 255, 0.08); }
.key-cap {
  display: grid; place-items: center; width: 38px; height: 38px; margin-bottom: 10px;
  border-radius: 8px; background: var(--grad); color: var(--on); font: 700 21px/1 var(--display);
}
.key-name { font: 700 27px/1 var(--display); }
.key-desc { color: var(--muted); font-size: 14.5px; line-height: 1.45; }
.key-use { margin-top: auto; padding-top: 10px; color: var(--faint); font: 600 11.5px/1.2 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
.key-use::before { content: "for: "; color: color-mix(in srgb, var(--hi) 60%, transparent); }

.code {
  margin: 0; padding: 16px 18px; overflow-x: auto;
  border: 1px solid var(--line); border-radius: 12px; background: var(--deep);
  color: #c9d6ee; font: 500 13.5px/1.7 var(--mono); tab-size: 2; white-space: pre;
}
.code-live { margin-top: 26px; }
.t-tag { color: #7c93bd; }
.t-attr { color: #c6d3ec; }
.t-str { color: var(--hi); }
.t-kw { color: color-mix(in srgb, var(--a) 55%, #fff); }
.t-obj { color: #fff; font-weight: 700; }
.t-com { color: var(--faint); font-style: italic; }
.t-num { color: #ffb02e; }

.charge {
  display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; align-items: center;
  margin-top: 70px; padding: 40px;
  border: 1px solid var(--line); border-radius: 22px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--a) 10%, var(--panel-2)), var(--panel-2) 60%);
}
.charge h3 { margin: 0 0 10px; font: 700 clamp(34px, 4vw, 52px)/1 var(--display); }
.charge-copy p:last-child { margin: 0; color: var(--muted); }
.charge-pad { --charge: 0; display: grid; justify-items: center; gap: 18px; }
.charge-btn {
  min-height: 96px; padding: 0 46px; border: 0; border-radius: 100px; cursor: pointer;
  color: var(--on); background: var(--grad);
  font: 700 clamp(22px, 2.6vw, 30px)/1 var(--display); letter-spacing: 0.02em;
  touch-action: none; user-select: none; -webkit-user-select: none;
  transform: scale(calc(1 + var(--charge) * 0.1));
  filter: brightness(calc(1 + var(--charge) * 0.35)) saturate(calc(1 + var(--charge) * 0.5));
  box-shadow: 0 16px 50px -14px color-mix(in srgb, var(--b) 80%, transparent), 0 0 0 calc(var(--charge) * 10px) color-mix(in srgb, var(--b) 18%, transparent);
}
.charge-btn.max { animation: blink 0.18s steps(2) infinite; }
.meter { position: relative; width: min(440px, 100%); height: 16px; overflow: hidden; border: 1px solid var(--line); border-radius: 5px; background: var(--deep); }
.meter i { position: absolute; inset: 0 auto 0 0; width: calc(var(--charge) * 100%); background: var(--grad); }
.meter-marks b { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--night); }
.meter-marks b:nth-child(1) { left: 30%; }
.meter-marks b:nth-child(2) { left: 70%; }
.meter-marks b:nth-child(3) { left: calc(100% - 3px); }
.meter-legend { position: relative; width: min(440px, 100%); height: 14px; margin: -8px 0 0; color: var(--faint); font: 600 11px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.meter-legend span { position: absolute; top: 0; }
.meter-legend span:nth-child(1) { left: 0; }
.meter-legend span:nth-child(2) { left: 30%; }
.meter-legend span:nth-child(3) { left: 70%; }
.meter-legend span:nth-child(4) { right: 0; color: var(--hi); }

/* ================= 03 colours ================= */
.schemes { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 16px; margin-top: 46px; }
.scheme-card {
  position: relative; display: grid; gap: 10px; align-content: start;
  min-height: 160px; padding: 18px; text-align: left;
  border: 1px solid var(--line); border-radius: 18px;
  color: var(--ink); background: color-mix(in srgb, var(--panel) 85%, transparent);
  font: inherit; cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.scheme-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--sb) 70%, transparent); }
.scheme-card[aria-pressed="true"] { border-color: var(--sb); box-shadow: 0 0 0 1px var(--sb), 0 18px 50px -20px var(--sb); }
.sc-bar {
  height: 16px; border-radius: 3px; background: linear-gradient(90deg, var(--sa), var(--sb));
  -webkit-mask: repeating-linear-gradient(90deg, #000 0 12px, transparent 12px 15px);
  mask: repeating-linear-gradient(90deg, #000 0 12px, transparent 12px 15px);
}
.sc-name { margin-top: 6px; font: 700 23px/1 var(--display); }
.sc-hex { color: var(--faint); font: 500 11px/1.4 var(--mono); }
.sc-use { margin-top: 6px; color: var(--sb); font: 700 12px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }
.scheme-card[aria-pressed="true"] .sc-use::before { content: "✓ "; }

.steal { display: grid; grid-template-columns: 1.1fr 1fr; gap: 30px; margin-top: 44px; }
.drop {
  display: grid; place-items: center; align-content: center; gap: 16px;
  min-height: 300px; padding: 30px; text-align: center; cursor: pointer;
  border: 1.5px dashed rgba(152, 183, 238, 0.4); border-radius: 20px;
  background: color-mix(in srgb, var(--panel) 80%, transparent);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.drop:hover, .drop.over, .drop:focus-visible { border-color: var(--hi); background: color-mix(in srgb, var(--panel) 70%, color-mix(in srgb, var(--b) 8%, transparent)); }
.drop-icon { display: grid; place-items: center; width: 64px; height: 64px; border: 1.5px solid var(--dash); border-radius: 50%; color: var(--hi); font: 700 30px/1 var(--display); }
.drop strong { display: block; font: 700 26px/1.1 var(--display); }
.drop span:not(.drop-icon) { display: block; max-width: 34ch; margin-top: 8px; color: var(--muted); font-size: 15px; }
.steal-out { display: grid; gap: 18px; align-content: start; padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--panel-2); }
.steal-top { display: flex; align-items: center; gap: 20px; }
.steal-thumb {
  flex: 0 0 104px; height: 104px; display: grid; place-items: center; overflow: hidden;
  border: 1px dashed var(--dash); border-radius: 14px; background: var(--deep);
  color: var(--faint); font: 600 11px/1.3 var(--mono); text-align: center; text-transform: uppercase; letter-spacing: 0.1em;
}
.steal-thumb img { width: 100%; height: 100%; object-fit: cover; }
.steal-swatches .kicker { margin-bottom: 10px; }
.pair { display: flex; gap: 8px; }
.pair i { width: 46px; height: 46px; border-radius: 8px; background: var(--a); box-shadow: 0 0 22px -4px var(--a); }
.pair i + i { background: var(--b); box-shadow: 0 0 22px -4px var(--b); }
.pair-hex { margin: 10px 0 0; color: var(--muted); font: 600 13px/1 var(--mono); }
.steal-btns { display: flex; flex-wrap: wrap; gap: 10px; }

/* ================= 04 burst machine ================= */
.machine {
  margin-top: 46px; padding: 24px;
  border: 1px solid var(--line); border-radius: 22px;
  background: linear-gradient(180deg, #0a1628, #070f1d);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.06), 0 40px 90px -40px rgba(0, 0, 0, 0.8);
}
.machine-top { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; }
.play-ico { width: 0; height: 0; border-left: 12px solid currentColor; border-top: 7px solid transparent; border-bottom: 7px solid transparent; }
[aria-pressed="true"] > .play-ico { width: 12px; height: 13px; border: 0; background: linear-gradient(90deg, currentColor 0 4px, transparent 4px 8px, currentColor 8px 12px); }
.lcd { display: inline-flex; align-items: baseline; gap: 8px; padding: 6px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--deep); }
.lcd-num { font: 900 36px/1 var(--led); color: var(--hi); text-shadow: 0 0 16px color-mix(in srgb, var(--hi) 60%, transparent); font-variant-numeric: tabular-nums; }
.lcd-unit { color: var(--faint); font: 700 11px/1 var(--mono); letter-spacing: 0.14em; }
.lcd .lcd-num { display: inline-block; min-width: 3ch; text-align: right; } /* 90 to 172 without the box resizing */
.slider { display: inline-flex; align-items: center; gap: 10px; color: var(--muted); font: 600 13px/1 var(--mono); }
.slider input, .field input[type="range"] { width: 120px; accent-color: var(--b); }
.presets { display: flex; flex-wrap: wrap; gap: 6px; }
.chip-btn {
  padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px;
  color: var(--muted); background: rgba(255, 255, 255, 0.02);
  font: 700 12px/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; cursor: pointer;
}
.chip-btn:hover { color: var(--ink); border-color: rgba(211, 226, 255, 0.35); }
.chip-btn.on { color: var(--on); border-color: transparent; background: var(--grad); }
.seq-scroll { margin-top: 22px; overflow-x: auto; padding-bottom: 6px; }
.seq { display: grid; grid-template-columns: 158px repeat(16, minmax(30px, 1fr)); gap: 7px; min-width: 780px; }
.seq-label { display: flex; align-items: center; gap: 10px; min-width: 0; padding-right: 6px; }
.seq-label::before { content: ""; flex: 0 0 12px; height: 12px; border-radius: 2px; background: linear-gradient(135deg, var(--ra), var(--rb)); box-shadow: 0 0 10px var(--rb); }
.seq-label b { display: block; font: 700 16px/1.1 var(--display); }
.seq-label small { display: block; color: var(--faint); font: 600 10.5px/1.3 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.cell {
  aspect-ratio: 1; min-height: 30px; padding: 0; border-radius: 7px; cursor: pointer;
  border: 1px solid rgba(152, 183, 238, 0.16); background: rgba(255, 255, 255, 0.025);
  transition: transform 0.08s ease, filter 0.08s ease;
}
.cell.beat { background: rgba(255, 255, 255, 0.055); }
.cell:hover { border-color: var(--rb); }
.cell[aria-pressed="true"] { border-color: transparent; background: linear-gradient(135deg, var(--ra), var(--rb)); box-shadow: 0 0 14px -2px var(--rb); }
.cell.now { border-color: rgba(255, 255, 255, 0.55); }
.cell.now[aria-pressed="true"] { transform: scale(1.14); filter: brightness(1.45); }

/* ================= 05 game ================= */
.game { margin-top: 46px; }
.hud { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 14px; }
.hud > div { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; padding: 12px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--deep); }
.hud small { color: var(--faint); font: 700 11px/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; }
.arena {
  position: relative; height: clamp(380px, 60vh, 540px); overflow: hidden;
  border: 1px solid var(--line); border-radius: 20px;
  background:
    radial-gradient(600px 300px at 50% 110%, color-mix(in srgb, var(--a) 22%, transparent), transparent 70%),
    radial-gradient(1.5px 1.5px at 20% 30%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1.5px 1.5px at 70% 18%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1.5px 1.5px at 44% 70%, rgba(255, 255, 255, 0.35), transparent),
    radial-gradient(1.5px 1.5px at 86% 62%, rgba(255, 255, 255, 0.45), transparent),
    linear-gradient(rgba(120, 160, 255, 0.06) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(90deg, rgba(120, 160, 255, 0.06) 1px, transparent 1px) 0 0 / 32px 32px,
    var(--deep);
  user-select: none; -webkit-user-select: none; touch-action: manipulation;
}
.arena-screen {
  position: absolute; inset: 0; z-index: 5; display: grid; place-content: center; justify-items: center; gap: 14px;
  padding: 24px; text-align: center; background: rgba(4, 10, 20, 0.66);
}
.arena-screen[hidden] { display: none; }
.arena-screen h3 { margin: 0 0 10px; font: 700 clamp(44px, 7vw, 76px)/1 var(--display); background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.arena-screen p { margin: 0; color: var(--muted); }
.blink { color: var(--hi) !important; font: 700 14px/1 var(--mono); letter-spacing: 0.35em; animation: blink 1s steps(2) infinite; }
.target {
  position: absolute; width: 66px; height: 52px; padding: 0; border: 0; background: none; cursor: crosshair;
  animation: spawn 0.18s steps(3), bob 0.6s steps(2) infinite 0.18s;
}
.target i { position: absolute; left: 0; top: 0; width: 6px; height: 6px; }
.target::after {
  content: ""; position: absolute; left: 4px; right: 4px; bottom: -8px; height: 3px; border-radius: 2px;
  background: var(--tb); transform-origin: left; animation: life var(--life) linear forwards;
}
.target.gold i { filter: drop-shadow(0 0 8px #ffd400); }
.arena-quit { position: absolute; top: 14px; right: 14px; z-index: 6; gap: 10px; background: color-mix(in srgb, var(--deep) 80%, transparent); }
.arena-quit[hidden] { display: none; }
.arena-quit kbd { font-size: 11px; color: var(--muted); }
.pts { position: absolute; z-index: 4; pointer-events: none; color: var(--hi); font: 700 24px/1 var(--display); animation: rise 0.8s ease-out forwards; }

/* ================= 06 wall ================= */
.wall { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 12px; }
.tile {
  position: relative; aspect-ratio: 1; padding: 0; cursor: pointer;
  border: 1px solid var(--line); border-radius: 12px; background: #0b1628;
  transition: border-color 0.15s ease, background 0.25s ease;
}
.tile::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 8px; height: 8px; margin: -4px 0 0 -4px; border-radius: 2px;
  background: linear-gradient(135deg, var(--ta), var(--tb)); opacity: 0.7; transition: transform 0.2s steps(3);
}
.tile:hover, .tile.lit { border-color: var(--tb); background: color-mix(in srgb, var(--ta) 16%, #0b1628); }
.tile.lit::after { transform: scale(2.2); opacity: 1; }

/* ================= 07 playground ================= */
.play { display: grid; grid-template-columns: 370px minmax(0, 1fr); gap: 30px; margin-top: 46px; }
.play-form { display: grid; gap: 20px; align-content: start; }
.play-form fieldset { display: grid; gap: 16px; margin: 0; padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel-2); }
.play-form legend { padding: 0 8px; color: var(--hi); font: 700 12px/1 var(--mono); letter-spacing: 0.18em; text-transform: uppercase; }
.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg label { cursor: pointer; }
.seg input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.seg span { display: inline-block; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; color: var(--muted); font: 700 13px/1 var(--mono); }
.seg label:hover span { color: var(--ink); }
.seg input:checked + span { color: var(--on); border-color: transparent; background: var(--grad); }
.seg input:focus-visible + span { outline: 2px solid var(--hi); outline-offset: 2px; }
.field { display: grid; gap: 7px; color: var(--muted); font: 600 13px/1.2 var(--mono); }
.field select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 9px;
  color: var(--ink); background: var(--deep); font: 600 14px/1.2 var(--body);
}
.field.range { grid-template-columns: 70px 1fr 34px; align-items: center; }
.field.range input { width: 100%; }
.field output { color: var(--ink); text-align: right; font-variant-numeric: tabular-nums; }
.custom-colours { grid-template-columns: 1fr auto auto; align-items: center; }
.custom-colours[hidden] { display: none; }
.custom-colours input { width: 44px; height: 34px; padding: 2px; border: 1px solid var(--line); border-radius: 8px; background: var(--deep); cursor: pointer; }
.play-stage { display: grid; gap: 14px; align-content: start; min-width: 0; }
.play-preview {
  position: relative; display: grid; place-items: center; min-height: 360px; padding: 40px 24px 50px;
  border: 1px solid var(--line); border-radius: 20px;
  background:
    radial-gradient(500px 260px at 50% 100%, color-mix(in srgb, var(--a) 16%, transparent), transparent 70%),
    linear-gradient(rgba(120, 160, 255, 0.05) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(90deg, rgba(120, 160, 255, 0.05) 1px, transparent 1px) 0 0 / 24px 24px,
    var(--deep);
}
.play-hint { position: absolute; bottom: 14px; margin: 0; color: var(--faint); font: 600 12px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }
.play-zone {
  display: grid; place-items: center; gap: 12px; width: min(460px, 100%); min-height: 210px; padding: 24px; cursor: pointer; text-align: center;
  border: 1.5px dashed rgba(152, 183, 238, 0.4); border-radius: 16px; background: rgba(8, 21, 39, 0.9);
}
.play-zone:hover { border-color: var(--hi); }
.play-zone .up-icon { margin: 0; }
.play-zone strong { display: block; font: 700 22px/1.1 var(--display); }
.play-zone small { color: var(--muted); font-size: 14px; }
.tabs { display: flex; gap: 6px; align-items: center; }
.tabs button {
  padding: 9px 14px; border: 1px solid var(--line); border-radius: 8px; cursor: pointer;
  color: var(--muted); background: transparent; font: 700 12.5px/1 var(--mono); letter-spacing: 0.06em;
}
.tabs button[aria-selected="true"] { color: var(--on); border-color: transparent; background: var(--grad); }
.tabs .tab-copy { margin-left: auto; }
.tabs .tab-copy:hover, .tabs button:hover { color: var(--ink); }

/* ================= 08 install ================= */
.stats { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; margin-top: 46px; }
.stats > div { display: grid; justify-items: center; gap: 8px; padding: 22px 10px; border: 1px solid var(--line); border-radius: 16px; background: var(--deep); text-align: center; }
.stats .lcd-num { font-size: 50px; }
.stats small { color: var(--faint); font: 700 11px/1.2 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; margin: 26px 0 0; padding: 0; list-style: none; }
.step { display: flex; flex-direction: column; gap: 14px; min-width: 0; padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel-2); }
.step .code { font-size: 12.5px; flex: 1; white-space: pre-wrap; overflow-wrap: anywhere; }
.step .btn { align-self: flex-start; }
.step-no { font: 900 58px/0.8 var(--led); color: var(--hi); }
.step h3 { margin: 0; font: 700 26px/1 var(--display); }
.install-links { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }

/* ================= footer ================= */
.foot { position: relative; padding: 150px 24px 70px; text-align: center; }
.foot-mark { display: inline-block; padding: 26px 40px; font: 700 clamp(58px, 12vw, 176px)/0.9 var(--display); letter-spacing: -0.01em; }
.foot-line { max-width: 76ch; margin: 30px auto 0; color: var(--muted); text-wrap: balance; }
.foot-secret { margin: 12px 0 0; color: var(--faint); font: 500 13px/1.6 var(--mono); }
.foot-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 22px; margin-top: 30px; }
.foot-nav a { color: var(--muted); font-weight: 600; text-decoration: none; }
.foot-nav a:hover { color: var(--ink); }

/* ================= toast + notices ================= */
.toast {
  position: fixed; left: 50%; bottom: 26px; z-index: 2147483100; max-width: calc(100vw - 32px);
  padding: 12px 20px; border: 1px solid var(--hi); border-radius: 100px;
  color: var(--ink); background: color-mix(in srgb, var(--night) 92%, transparent);
  box-shadow: 0 0 30px -6px var(--hi);
  font: 700 17px/1.2 var(--display); letter-spacing: 0.03em; text-align: center;
  opacity: 0; transform: translate(-50%, 16px); pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.notice {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 2147483200; max-width: 520px; margin: 0 auto;
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; padding: 14px 16px;
  border: 1px solid #ffcf8d; border-radius: 16px; background: var(--panel); color: #ffe2b8;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.notice[hidden] { display: none; }
.notice p { flex: 1 1 240px; margin: 0; font-size: 15px; }
.notice-err { border-color: #ff7a8a; color: #ffd0d6; }

/* A gradient behind a transparent border must start at the border edge. Otherwise the far end of the
   gradient repeats into the 1px border and shows as a bright sliver down the left side. */
.btn-grad, .tool[aria-pressed="true"], .chip-btn.on, .seg input:checked + span,
.tabs button[aria-selected="true"], .switch input:checked + .switch-ui, .cell[aria-pressed="true"] { background-origin: border-box; }

/* ================= motion ================= */
@keyframes blink { 50% { opacity: 0.25; } }
@keyframes bob { 50% { transform: translateY(-4px); } }
@keyframes float { 50% { transform: translateY(-14px) rotate(-1.5deg); } }
@keyframes hue { to { filter: hue-rotate(360deg); } }
@keyframes jolt { 0% { transform: translateY(0); } 30% { transform: translateY(-0.12em) rotate(-4deg); } 60% { transform: translateY(0.03em) rotate(3deg); } 100% { transform: none; } }
@keyframes bounce { to { transform: translateY(-0.08em); } }
@keyframes glitch {
  0% { clip-path: inset(0 0 60% 0); transform: translateX(-0.08em); }
  33% { clip-path: inset(40% 0 0 0); transform: translateX(0.08em); }
  66% { clip-path: inset(0 0 20% 0); transform: translateX(-0.03em); }
  100% { clip-path: inset(0); transform: none; }
}
@keyframes spawn { from { transform: scale(0.2); } }
@keyframes life { to { transform: scaleX(0); } }
@keyframes rise { to { transform: translateY(-46px); opacity: 0; } }
@keyframes quake {
  0%, 100% { transform: none; } 20% { transform: translate(-7px, 3px); } 40% { transform: translate(6px, -4px); }
  60% { transform: translate(-4px, -2px); } 80% { transform: translate(3px, 4px); }
}
.quake main, .quake .foot { animation: quake 0.5s steps(6); }

@media (prefers-reduced-motion: reduce) {
  html:not(.motion-ok) { scroll-behavior: auto; }
  html:not(.motion-ok) *, html:not(.motion-ok) *::before, html:not(.motion-ok) *::after {
    animation: none !important; transition-duration: 0.01ms !important;
  }
  html:not(.motion-ok) .reveal { opacity: 1 !important; transform: none !important; }
}

/* ================= responsive ================= */
/* Keep the full toolbar visible before the section links crowd it out. */
@media (max-width: 1400px) {
  .nav { display: none; }
}
@media (max-width: 1180px) {
  .nav { display: none; }
  .bar-tools { margin-left: auto; }
  .wall { grid-template-columns: repeat(10, minmax(0, 1fr)); }
  .wall .tile:nth-child(n + 81) { display: none; }
}
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 10px; }
  .hero-art { order: -1; width: min(300px, 70%); }
  .keys { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steal, .play, .charge { grid-template-columns: minmax(0, 1fr); }
  .stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .steps { grid-template-columns: minmax(0, 1fr); }
  .wall { grid-template-columns: repeat(8, minmax(0, 1fr)); }
  .wall .tile:nth-child(n + 65) { display: none; }
}
@media (max-width: 760px) {
  :root { --page: calc(100vw - 32px); }
  .fx-grid { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .sec { padding-top: 100px; }
  .hud { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .charge { padding: 26px 20px; }
  .wall { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 9px; }
  .wall .tile:nth-child(n + 49) { display: none; }
}
@media (max-width: 820px) {
  :root { --bar-h: 108px; }
  .bar { flex-wrap: wrap; gap: 10px; padding: 10px 16px; }
  .brand { margin-right: auto; }
  .bar-tools { display: contents; }
  .swatches { order: 3; flex-basis: 100%; justify-content: space-between; gap: 6px; margin: 0; }
  .swatch { flex: 1 1 0; height: 22px; }
}
@media (max-width: 640px) {
  .tool span { display: none; }
  .tool { padding: 0 10px; }
  .tool-party span { display: inline; }
  .big { font-size: 21.5vw; }
  .bar { gap: 8px; }
  .tool { height: 36px; padding: 0 9px; }
  .line2 { font-size: 10.5vw; }
  .fx-card { padding: 22px; min-height: 0; }
  .fx-card h3 { font-size: 34px; }
  .key { min-height: 160px; padding: 16px 14px 18px; }
  .key-name { font-size: 22px; }
  .key-desc { font-size: 13.5px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats .lcd-num { font-size: 40px; }
  .steal-out, .machine { padding: 18px 14px; }
  .seq { grid-template-columns: 92px repeat(16, minmax(30px, 1fr)); min-width: 700px; gap: 6px; }
  .seq-label small { display: none; }
  .steal-top { flex-wrap: wrap; }
  .sticker { font-size: 12px; }
  .field.range { grid-template-columns: 62px 1fr 30px; }
  .play-form fieldset { padding: 16px; }
}
@media (hover: none) { #trail-toggle { display: none; } } /* the trail follows a mouse */
@media (max-width: 380px) {
  .brand span { font-size: 17px; }
  .keys { grid-template-columns: minmax(0, 1fr); }
  .key { min-height: 0; }
  .hud > div { padding: 10px 12px; }
  .hud .lcd-num { font-size: 28px; }
}