:root {
  --night: #0b0f1c;
  --night-2: #121831;
  --line: #232b4a;
  --ink: #eef1fb;
  --muted: #a3abc8;
  --go: #6ef0a0;
  --go-dim: #1f4f3a;
  --wait: #ffb547;
  --cell: #1a2140;
  --radius: 14px;
  --mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  --sans: "Bricolage Grotesque", system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--night); color: var(--ink);
  font: 17px/1.55 var(--sans);
  background-image: radial-gradient(1200px 600px at 80% -10%, #1b2552 0%, transparent 60%),
                    radial-gradient(800px 500px at -10% 30%, #14203f 0%, transparent 55%);
  background-repeat: no-repeat;
}
a { color: var(--go); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
header.top { display: flex; align-items: center; justify-content: space-between; padding: 22px 0; }
.brand { font: 700 22px/1 var(--mono); color: var(--ink); text-decoration: none; letter-spacing: -.02em; }
.brand span { color: var(--go); }
.top nav a { color: var(--muted); text-decoration: none; margin-left: 22px; font-size: 15px; }
.top nav a:hover { color: var(--ink); }

.hero { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; padding: 40px 0 72px; }
.eyebrow { font: 600 13px/1 var(--mono); color: var(--go); letter-spacing: .12em; text-transform: uppercase; margin: 0 0 18px; }
h1 { font-size: clamp(40px, 6vw, 68px); line-height: 1.02; letter-spacing: -.035em; margin: 0 0 22px; font-weight: 800; }
h1 em { font-style: normal; color: var(--go); }
.lede { font-size: 19px; color: var(--muted); margin: 0 0 30px; max-width: 34em; }
.lede strong { color: var(--ink); font-weight: 600; }

form.join { display: grid; grid-template-columns: 1fr auto; gap: 10px; max-width: 520px; }
form.join input[type=email], form.join select {
  font: inherit; font-size: 17px; color: var(--ink); background: var(--night-2);
  border: 1px solid var(--line); border-radius: 12px; padding: 0 16px; min-height: 56px; width: 100%;
}
form.join select { grid-column: 1 / -1; color: var(--muted); appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 22px) 25px, calc(100% - 16px) 25px; background-size: 6px 6px; background-repeat: no-repeat; }
form.join select.chosen { color: var(--ink); }
form.join input:focus, form.join select:focus { outline: 2px solid var(--go); outline-offset: 1px; border-color: transparent; }
form.join button {
  font: 700 17px/1 var(--sans); color: #06210f; background: var(--go); border: 0; border-radius: 12px;
  padding: 0 22px; min-height: 56px; cursor: pointer; white-space: nowrap;
}
form.join button:hover { filter: brightness(1.06); }
form.join button[disabled] { opacity: .6; cursor: wait; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.fine { font-size: 14px; color: var(--muted); margin: 12px 0 0; max-width: 520px; }
.msg { margin: 12px 0 0; font-size: 15px; min-height: 1.4em; }
.msg.err { color: var(--wait); }
.done { display: none; background: var(--night-2); border: 1px solid var(--go-dim); border-radius: var(--radius); padding: 22px 24px; max-width: 520px; }
.done h3 { margin: 0 0 6px; font-size: 22px; }
.done p { margin: 0 0 14px; color: var(--muted); }
.share { display: flex; gap: 10px; flex-wrap: wrap; }
.share input { flex: 1 1 220px; font: 14px var(--mono); color: var(--ink); background: var(--night); border: 1px solid var(--line); border-radius: 10px; padding: 0 12px; min-height: 48px; }
.share button { font: 600 15px var(--sans); background: transparent; color: var(--go); border: 1px solid var(--go-dim); border-radius: 10px; padding: 0 16px; min-height: 48px; cursor: pointer; }
.joined form.join, .joined .fine { display: none; }
.joined .done { display: block; }

/* the 12 x 14 board */
.board { background: linear-gradient(180deg, #111735, #0d1228); border: 1px solid var(--line); border-radius: 20px; padding: 22px 22px 18px; box-shadow: 0 30px 80px -30px #000; }
.board-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 14px; font: 13px var(--mono); color: var(--muted); }
.board-head b { color: var(--ink); font-size: 15px; }
.grid { display: grid; grid-template-columns: 22px repeat(14, 1fr); gap: 5px; }
.grid .lab { font: 10px/1 var(--mono); color: #5d668a; display: flex; align-items: center; justify-content: center; }
.grid .c { aspect-ratio: 1; border-radius: 4px; background: var(--cell); transition: background .25s, box-shadow .25s; }
.grid .c.on { background: var(--go); box-shadow: 0 0 10px -2px #6ef0a088; }
.grid .c.nudge { background: var(--wait); }
.board-foot { display: flex; justify-content: space-between; margin-top: 14px; font: 12px var(--mono); color: var(--muted); }
.key i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin: 0 6px 0 14px; vertical-align: -1px; }
.key i.on { background: var(--go); } .key i.nudge { background: var(--wait); } .key i.off { background: var(--cell); }

section { padding: 72px 0; border-top: 1px solid var(--line); }
h2 { font-size: clamp(30px, 4vw, 44px); letter-spacing: -.03em; line-height: 1.08; margin: 0 0 14px; }
.sub { color: var(--muted); font-size: 18px; margin: 0 0 40px; max-width: 40em; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--night-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card .n { font: 700 13px var(--mono); color: var(--wait); letter-spacing: .08em; }
.card h3 { font-size: 21px; margin: 10px 0 8px; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--muted); }
ol.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: s; }
ol.steps li { counter-increment: s; border-top: 2px solid var(--go-dim); padding-top: 18px; }
ol.steps li::before { content: "0" counter(s); font: 700 14px var(--mono); color: var(--go); }
ol.steps h3 { font-size: 20px; margin: 8px 0 6px; }
ol.steps p { margin: 0; color: var(--muted); }
.fair { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.record { background: var(--night-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; }
.record .row { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--line); }
.record .row:last-child { border-bottom: 0; }
.record .who { font-weight: 600; }
.record .stat { font: 13px var(--mono); color: var(--muted); }
.badge { font: 600 12px var(--mono); color: #06210f; background: var(--go); border-radius: 99px; padding: 4px 10px; }
.badge.slow { background: transparent; color: var(--wait); border: 1px solid #ffb54755; }
ul.ticks { list-style: none; padding: 0; margin: 0; }
ul.ticks li { padding: 10px 0 10px 30px; position: relative; color: var(--muted); }
ul.ticks li strong { color: var(--ink); }
ul.ticks li::before { content: ""; position: absolute; left: 0; top: 17px; width: 14px; height: 8px; border-left: 2px solid var(--go); border-bottom: 2px solid var(--go); transform: rotate(-45deg); }
.faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq summary { cursor: pointer; font-size: 19px; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::after { content: "+"; font: 400 24px/1 var(--mono); color: var(--go); }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); margin: 12px 0 0; max-width: 46em; }
.cta { text-align: center; }
.cta form.join, .cta .fine, .cta .done { margin-left: auto; margin-right: auto; text-align: left; }
.maker { color: var(--muted); max-width: 44em; margin: 0 auto 32px; }
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
footer a { color: var(--muted); }

.plain main.note, main.page { max-width: 720px; margin: 0 auto; padding: 48px 20px 80px; }
main.page h1 { font-size: clamp(34px, 5vw, 48px); }
main.page h2 { font-size: 24px; margin-top: 36px; }
main.page p, main.page li { color: var(--muted); }
.note h1 { font-size: 32px; margin-top: 28px; }

@media (max-width: 900px) {
  .hero, .fair { grid-template-columns: 1fr; gap: 40px; }
  .cards { grid-template-columns: 1fr; }
  ol.steps { grid-template-columns: 1fr 1fr; }
  .top nav a:not(.go) { display: none; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  form.join { grid-template-columns: 1fr; }
  ol.steps { grid-template-columns: 1fr; }
  .board { padding: 16px 14px 14px; }
  .grid { gap: 3px; grid-template-columns: 16px repeat(14, 1fr); }
  section { padding: 56px 0; }
  .hero { padding-top: 16px; }
}
@media (prefers-reduced-motion: reduce) { .grid .c { transition: none; } }