/* Layout: single reading column that widens for the hero (copy left, live drill right),
   then alternates plain bands. Felt green is the one accent; suit red marks answers. */
:root {
  --bg: #f5f7f5;
  --surface: #ffffff;
  --ink: #111c17;
  --muted: #56655e;
  --line: #d8dfdb;
  --felt: #0d5a44;
  --felt-ink: #ffffff;
  --felt-soft: #e3efe9;
  --suit: #c3122f;
  --good: #1a7f4b;
  --bad: #c3122f;
  --chip-5: #c3122f;
  --chip-25: #1a7f4b;
  --chip-100: #1d2622;
  --font-display: "Big Shoulders Display", "Arial Narrow", "Roboto Condensed", sans-serif;
  --font-body: "Figtree", "Segoe UI", system-ui, sans-serif;
  --font-num: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1310; --surface: #121d18; --ink: #e7efea; --muted: #9aaba3; --line: #24342d;
    --felt: #3fb68b; --felt-ink: #06120d; --felt-soft: #16291f; --suit: #ff5c72;
    --good: #4cc98f; --bad: #ff5c72; --chip-100: #e7efea; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0b1310; --surface: #121d18; --ink: #e7efea; --muted: #9aaba3; --line: #24342d;
  --felt: #3fb68b; --felt-ink: #06120d; --felt-soft: #16291f; --suit: #ff5c72;
  --good: #4cc98f; --bad: #ff5c72; --chip-100: #e7efea; color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font-body); font-size: 17px; line-height: 1.6;
  padding-inline: 16px;
}
img { max-width: 100%; }
[hidden] { display: none !important; }
a { color: var(--felt); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--felt); outline-offset: 2px; border-radius: 4px; }
.wrap { max-width: 1120px; margin-inline: auto; }
.read { max-width: 68ch; }

/* Header */
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 18px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none;
  font-family: var(--font-display); font-weight: 800; font-size: 26px; letter-spacing: .02em; text-transform: uppercase; }
.brand .btn-disc { width: 30px; height: 30px; border-radius: 50%; background: var(--surface); border: 2px solid var(--ink);
  display: grid; place-items: center; font-family: var(--font-body); font-size: 9px; font-weight: 800; letter-spacing: .06em; }
.lang { font-size: 15px; font-weight: 600; color: var(--muted); text-decoration: none; border: 1px solid var(--line);
  padding: 6px 12px; border-radius: 999px; background: var(--surface); }
.lang:hover { color: var(--ink); }

/* Hero */
.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: start; padding-block: 28px 56px; }
.hero > * { min-width: 0; }
.eyebrow { font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--felt); margin: 0 0 12px; }
h1, h2, h3 { font-family: var(--font-display); text-wrap: balance; line-height: 1; margin: 0; }
h1 { font-size: clamp(46px, 7vw, 84px); font-weight: 800; text-transform: uppercase; letter-spacing: .005em; }
h1 em { font-style: normal; color: var(--felt); }
h2 { font-size: clamp(34px, 4.6vw, 52px); font-weight: 800; text-transform: uppercase; }
h3 { font-size: 24px; font-weight: 700; text-transform: uppercase; letter-spacing: .02em; }
.lede { font-size: 20px; color: var(--muted); margin: 20px 0 28px; max-width: 40ch; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn { font: 700 17px/1 var(--font-body); padding: 15px 22px; border-radius: 999px; border: 2px solid var(--felt);
  background: var(--felt); color: var(--felt-ink); text-decoration: none; cursor: pointer; display: inline-block; }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--felt); }
.fine { font-size: 14px; color: var(--muted); margin-top: 14px; }

/* Table card (the drill) */
.table-card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 22px;
  box-shadow: 0 18px 40px -24px rgba(8, 40, 30, .35); }
.drill-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.drill-head h3 { font-size: 22px; }
.tag { font: 600 12px/1 var(--font-num); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.drill-intro { font-size: 15px; color: var(--muted); margin: 0 0 14px; }
.seats { display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 10px; margin-bottom: 16px; }
.seat { border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; background: var(--bg); }
.seat .who { font-size: 13px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.seat .amt { font: 600 22px/1.2 var(--font-num); font-variant-numeric: tabular-nums; }
.seat .note { font-size: 12px; color: var(--muted); }
.chips { display: flex; gap: 3px; margin-top: 6px; }
.chips i { width: 12px; height: 12px; border-radius: 50%; border: 2px dashed rgba(255,255,255,.7); display: block; }
.fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin-bottom: 14px; }
.field label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 4px; }
.field input { width: 100%; font: 600 18px var(--font-num); padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg); color: var(--ink); font-variant-numeric: tabular-nums; }
.field input.ok { border-color: var(--good); }
.field input.no { border-color: var(--bad); }
.drill-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.drill-actions .btn { font-size: 15px; padding: 11px 18px; }
.result { margin-top: 14px; font-size: 15px; border-radius: 8px; padding: 12px 14px; background: var(--felt-soft); }
.result strong.good { color: var(--good); }
.result strong.bad { color: var(--bad); }
.result ol { margin: 6px 0 0; padding-left: 20px; }
.counter { font: 500 13px var(--font-num); color: var(--muted); margin-top: 12px; }

/* Cards (playing cards) */
.cards { display: flex; gap: 6px; flex-wrap: wrap; }
.pc { width: 44px; height: 62px; border-radius: 6px; background: #fff; border: 1px solid #c9d1cc; color: #111;
  display: grid; place-items: center; font: 700 18px/1 var(--font-num); box-shadow: 0 2px 0 rgba(0,0,0,.08); }
.pc.r { color: #c3122f; }
.pc small { display: block; font-size: 18px; margin-top: -2px; }
.board-row { display: grid; gap: 12px; margin-bottom: 14px; }
.board-row .lbl { font-size: 13px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 6px; }
.hands { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.choice { display: flex; gap: 8px; flex-wrap: wrap; }
.choice button { font: 700 15px var(--font-body); padding: 11px 16px; border-radius: 999px; border: 2px solid var(--line);
  background: var(--surface); color: var(--ink); cursor: pointer; }
.choice button:hover { border-color: var(--felt); }
.choice button.picked-ok { border-color: var(--good); background: var(--felt-soft); }
.choice button.picked-no { border-color: var(--bad); }

/* Bands */
.band { padding-block: 64px; border-top: 1px solid var(--line); }
.band-head { margin-bottom: 28px; }
.band-head p { color: var(--muted); font-size: 18px; margin: 12px 0 0; max-width: 60ch; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px 32px; }
.grid-3 > div { min-width: 0; }
.skill h3 { font-size: 22px; margin-bottom: 6px; }
.skill p { margin: 0; color: var(--muted); font-size: 16px; }
.skill .k { font: 600 12px var(--font-num); color: var(--suit); letter-spacing: .08em; display: block; margin-bottom: 6px; }
.not-list { margin-top: 28px; padding: 16px 18px; border: 1px dashed var(--line); border-radius: var(--radius); font-size: 16px; color: var(--muted); max-width: 72ch; }
.not-list strong { color: var(--ink); }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.two > * { min-width: 0; }

/* Worked example table */
.tbl-wrap { overflow-x: auto; margin: 18px 0; }
table { border-collapse: collapse; width: 100%; font-size: 16px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
td.n { font-family: var(--font-num); font-variant-numeric: tabular-nums; text-align: right; }
th.n { text-align: right; }
.steps { padding-left: 22px; }
.steps li { margin-bottom: 8px; }

/* Pricing */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; max-width: 820px; }
.plan { border: 1px solid var(--line); border-radius: 14px; padding: 24px; background: var(--surface); }
.plan.full { border: 2px solid var(--felt); }
.plan .price { font: 800 54px/1 var(--font-display); margin: 10px 0 4px; }
.plan .per { font-size: 14px; color: var(--muted); }
.plan ul { padding-left: 20px; margin: 16px 0 0; }
.plan li { margin-bottom: 6px; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); padding-block: 14px; max-width: 76ch; }
.faq summary { font-weight: 700; font-size: 18px; cursor: pointer; list-style-position: outside; }
.faq details p { margin: 10px 0 0; color: var(--muted); }

/* Waitlist */
.join { background: var(--felt); color: var(--felt-ink); border-radius: 18px; padding: 36px 28px; margin-block: 64px; }
.join h2 { color: var(--felt-ink); }
.join p { margin: 12px 0 20px; max-width: 56ch; opacity: .92; }
.join form { display: flex; flex-wrap: wrap; gap: 10px; max-width: 560px; }
.join input[type=email] { flex: 1 1 240px; min-width: 0; font: 500 17px var(--font-body); padding: 14px 16px; border-radius: 999px;
  border: 2px solid transparent; background: var(--surface); color: var(--ink); }
.join button { font: 700 17px var(--font-body); padding: 14px 22px; border-radius: 999px; border: 2px solid var(--felt-ink);
  background: transparent; color: var(--felt-ink); cursor: pointer; }
.join .msg { margin-top: 12px; font-weight: 600; min-height: 1.4em; }
.hp { position: absolute; left: -9999px; }

footer { border-top: 1px solid var(--line); padding-block: 28px 40px; font-size: 14px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }

@media (max-width: 860px) {
  .hero, .two { grid-template-columns: 1fr; gap: 32px; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .plans { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .grid-3 { grid-template-columns: 1fr; }
  .hands { grid-template-columns: 1fr; }
  .table-card { padding: 16px; }
  .band { padding-block: 48px; }
  .join { padding: 28px 20px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }