:root{
  --bg:#061f18;
  --felt:#0b3b2a;
  --felt-2:#145a42;
  --felt-3:#1f7655;
  --cream:#f6f0df;
  --muted:rgba(246,240,223,.72);
  --soft:rgba(246,240,223,.1);
  --line:rgba(246,240,223,.16);
  --gold:#d8b15a;
  --gold-2:#f0d17a;
  --red:#b23a55;
  --black:#14100c;
  --shadow:0 24px 80px rgba(0,0,0,.38);
  --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--cream);
  background:
    radial-gradient(circle at top left, rgba(31,118,85,.65), transparent 34rem),
    radial-gradient(circle at 80% 8%, rgba(216,177,90,.18), transparent 24rem),
    linear-gradient(135deg,var(--bg),#08281f 55%,#03130f);
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.18;
  background-image:linear-gradient(45deg,rgba(255,255,255,.04) 25%,transparent 25%),linear-gradient(-45deg,rgba(255,255,255,.035) 25%,transparent 25%);
  background-size:18px 18px;
  mask-image:radial-gradient(circle at center, black, transparent 75%);
}
a{color:inherit;text-decoration:none}
.app-shell{position:relative;z-index:1;overflow:hidden}
.site-header{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  width:min(1180px,calc(100% - 32px));
  margin:16px auto 0;padding:12px 14px 12px 16px;
  border:1px solid var(--line);border-radius:999px;
  background:rgba(6,31,24,.7);backdrop-filter:blur(18px);
  box-shadow:0 10px 40px rgba(0,0,0,.18);
}
.brand{display:flex;align-items:center;gap:10px;font-family:Outfit,sans-serif;font-weight:800;letter-spacing:-.02em}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:linear-gradient(145deg,var(--gold),var(--gold-2));color:var(--black);box-shadow:0 8px 24px rgba(216,177,90,.22)}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{padding:10px 13px;border-radius:999px;font-size:14px;font-weight:700;color:var(--muted);transition:.2s ease}
.main-nav a:hover,.main-nav a[aria-current="page"]{background:var(--soft);color:var(--cream)}
.nav-toggle{display:none;background:var(--soft);border:1px solid var(--line);color:var(--cream);border-radius:999px;width:42px;height:42px;font-size:20px}
.section{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:92px 0}
.hero{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(320px,.94fr);gap:54px;align-items:center;min-height:calc(100vh - 96px);padding-top:56px}
.eyebrow{margin:0 0 14px;font-size:12px;text-transform:uppercase;letter-spacing:.16em;font-weight:800;color:var(--gold-2)}
h1,h2,h3{font-family:Outfit,sans-serif;margin:0;letter-spacing:-.045em;line-height:1.02}
h1{font-size:clamp(44px,7vw,88px);max-width:820px}
h2{font-size:clamp(31px,4vw,52px)}
h3{font-size:24px}.hero-text{max-width:620px;color:var(--muted);font-size:20px;line-height:1.65;margin:24px 0 0}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;border-radius:999px;font-weight:800;border:1px solid transparent;transition:.2s ease;cursor:pointer}.btn:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(145deg,var(--gold),var(--gold-2));color:var(--black);box-shadow:0 16px 40px rgba(216,177,90,.18)}.btn-secondary{border-color:var(--line);background:rgba(246,240,223,.07);color:var(--cream)}
.progress-card{max-width:520px;margin-top:36px;padding:18px;border:1px solid var(--line);border-radius:22px;background:rgba(246,240,223,.07);box-shadow:0 16px 50px rgba(0,0,0,.16)}.progress-top{display:flex;justify-content:space-between;font-weight:800}.progress-top strong{color:var(--gold-2)}.progress-bar{height:11px;background:rgba(0,0,0,.28);border-radius:999px;overflow:hidden;margin:12px 0}.progress-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--gold),var(--gold-2));transition:width .6s ease}.progress-card p{margin:0;color:var(--muted);font-size:14px}.hero-visual{position:relative;min-height:530px;display:grid;place-items:center}.glow-orb{position:absolute;width:420px;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(31,118,85,.95),rgba(11,59,42,.2) 58%,transparent 70%);filter:blur(4px)}.card-fan{position:relative;width:380px;height:280px}.play-card{position:absolute;left:50%;top:45%;width:148px;height:210px;margin-left:-74px;margin-top:-105px;padding:15px;border-radius:18px;background:linear-gradient(160deg,#fffaf0,#eadfc9);color:var(--black);box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:space-between;font-family:Outfit,sans-serif;font-weight:800;transition:.35s ease}.play-card b{align-self:center;font-size:58px}.play-card small{align-self:flex-end;transform:rotate(180deg);font-size:22px}.play-card span{font-size:22px}.play-card.red{color:var(--red)}.tilt-left{transform:translateX(-92px) rotate(-14deg)}.tilt-right{transform:translateX(92px) rotate(14deg)}.card-fan:hover .tilt-left{transform:translateX(-110px) rotate(-18deg) translateY(-10px)}.card-fan:hover .tilt-right{transform:translateX(110px) rotate(18deg) translateY(-10px)}.card-fan:hover .play-card:not(.tilt-left):not(.tilt-right){transform:translateY(-14px)}.chip-stack{position:absolute;right:52px;bottom:64px}.chip-stack span{display:block;width:82px;height:18px;border-radius:50%;background:linear-gradient(90deg,#8e243c,#f1d3a0,#8e243c);border:3px dashed rgba(255,255,255,.75);box-shadow:0 8px 22px rgba(0,0,0,.22);margin-top:-6px}.section-heading{max-width:760px;margin-bottom:30px}.section-heading p:not(.eyebrow){color:var(--muted);font-size:18px;line-height:1.65}.module-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.module-card{position:relative;min-height:250px;padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,rgba(246,240,223,.1),rgba(246,240,223,.045));box-shadow:0 18px 60px rgba(0,0,0,.18);overflow:hidden;transition:.22s ease}.module-card::after{content:"";position:absolute;inset:-40% -70% auto auto;width:220px;height:220px;transform:rotate(25deg);background:linear-gradient(90deg,transparent,rgba(255,255,255,.12),transparent);transition:.45s ease}.module-card:hover{transform:translateY(-6px);border-color:rgba(240,209,122,.45)}.module-card:hover::after{transform:translateX(-220px) rotate(25deg)}.module-card.featured{background:linear-gradient(145deg,rgba(216,177,90,.2),rgba(246,240,223,.06));border-color:rgba(216,177,90,.4)}.module-icon{font-size:34px;display:inline-block;margin-bottom:22px}.module-card p{color:var(--muted);line-height:1.6}.module-card em{position:absolute;left:26px;bottom:24px;font-style:normal;font-weight:800;color:var(--gold-2)}.compact-section{padding-top:28px}.ready-card{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:34px;border-radius:var(--radius);border:1px solid rgba(216,177,90,.34);background:linear-gradient(135deg,rgba(216,177,90,.16),rgba(246,240,223,.055));box-shadow:var(--shadow)}.ready-card p:not(.eyebrow){color:var(--muted);line-height:1.65;max-width:700px}.site-footer{text-align:center;color:rgba(246,240,223,.55);padding:40px 16px 64px}.site-footer span{color:var(--gold-2);letter-spacing:.35em}.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}.reveal.visible{opacity:1;transform:none}
.page-hero{padding:72px 0 36px}.page-card{padding:34px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(246,240,223,.07);box-shadow:var(--shadow)}.placeholder-list{display:grid;gap:14px;margin-top:24px}.placeholder-item{padding:18px;border-radius:18px;background:rgba(0,0,0,.16);border:1px solid var(--line);color:var(--muted)}.placeholder-item strong{color:var(--cream)}
@media(max-width:900px){.hero{grid-template-columns:1fr;min-height:auto}.hero-visual{min-height:360px;order:-1}.module-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.main-nav{position:absolute;right:0;top:64px;display:none;flex-direction:column;align-items:stretch;width:min(280px,calc(100vw - 32px));padding:12px;border:1px solid var(--line);border-radius:22px;background:rgba(6,31,24,.96);box-shadow:var(--shadow)}.main-nav.open{display:flex}.nav-toggle{display:block}}
@media(max-width:620px){.site-header{width:calc(100% - 20px);margin-top:10px}.brand span:last-child{font-size:14px}.section{width:calc(100% - 24px);padding:58px 0}.hero{padding-top:34px}.hero-text{font-size:17px}.module-grid{grid-template-columns:1fr}.ready-card{display:block}.ready-card .btn{margin-top:20px}.play-card{width:112px;height:160px;margin-left:-56px;margin-top:-80px}.play-card b{font-size:42px}.tilt-left{transform:translateX(-66px) rotate(-14deg)}.tilt-right{transform:translateX(66px) rotate(14deg)}.chip-stack{right:18px;bottom:46px}.card-fan{width:280px;height:210px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}

/* v0.2 · Hand ranking module */
.learn-tip{max-width:850px;padding:20px 22px;border:1px solid rgba(216,177,90,.35);border-radius:22px;background:linear-gradient(135deg,rgba(216,177,90,.17),rgba(246,240,223,.06));color:var(--muted);line-height:1.7}.learn-tip strong,.learn-tip b{color:var(--gold-2)}
.hand-rank-grid{display:grid;gap:22px}.hand-card{padding:24px;border:1px solid var(--line);border-radius:28px;background:linear-gradient(145deg,rgba(246,240,223,.105),rgba(246,240,223,.04));box-shadow:0 20px 70px rgba(0,0,0,.18);overflow:hidden;transition:.25s ease;transition-delay:var(--delay,0ms)}.hand-card:hover{transform:translateY(-5px);border-color:rgba(240,209,122,.48);box-shadow:0 26px 90px rgba(0,0,0,.25)}.hand-card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:20px}.hand-card h2{font-size:clamp(25px,3vw,40px);margin-top:8px}.rank-pill,.rarity{display:inline-flex;align-items:center;justify-content:center;min-height:30px;padding:0 12px;border-radius:999px;font-weight:900;font-size:12px;letter-spacing:.08em;text-transform:uppercase}.rank-pill{background:linear-gradient(145deg,var(--gold),var(--gold-2));color:var(--black)}.rarity{border:1px solid var(--line);color:var(--muted);background:rgba(0,0,0,.14);white-space:nowrap}.rank-card-row{display:flex;gap:10px;flex-wrap:wrap;perspective:900px}.rank-playing-card{width:92px;height:128px;padding:9px;border-radius:14px;background:linear-gradient(160deg,#fffaf0,#eadfc9);color:var(--black);box-shadow:0 14px 38px rgba(0,0,0,.28);display:flex;flex-direction:column;justify-content:space-between;font-family:Outfit,sans-serif;font-weight:900;transition:.22s ease;border:1px solid rgba(20,16,12,.1)}.rank-playing-card:hover{transform:translateY(-8px) rotateX(7deg)}.rank-playing-card.red{color:var(--red)}.rank-playing-card span{font-size:18px;line-height:.9}.rank-playing-card span:last-child{align-self:flex-end;transform:rotate(180deg)}.rank-playing-card small{display:block;font-size:15px}.rank-playing-card b{font-size:38px;align-self:center}.hand-meta{display:grid;grid-template-columns:180px 1fr;gap:14px;margin-top:18px;color:var(--muted);line-height:1.6}.hand-meta span:first-child{color:var(--gold-2);font-weight:900}.center-actions{justify-content:center;margin-top:34px}
@media(max-width:720px){.hand-card{padding:18px}.hand-card-top{display:block}.rarity{margin-top:12px}.rank-playing-card{width:64px;height:90px;border-radius:10px;padding:7px}.rank-playing-card span{font-size:13px}.rank-playing-card small{font-size:11px}.rank-playing-card b{font-size:27px}.hand-meta{grid-template-columns:1fr}.rank-card-row{gap:7px}}

/* v0.3 · Rules + glossary */
.rules-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:24px;align-items:start}.rules-timeline{position:sticky;top:104px;display:grid;gap:10px;padding:14px;border:1px solid var(--line);border-radius:28px;background:rgba(246,240,223,.06);box-shadow:0 16px 55px rgba(0,0,0,.16)}.rule-step{display:flex;align-items:center;gap:12px;width:100%;min-height:52px;padding:9px 12px;border:1px solid transparent;border-radius:18px;background:transparent;color:var(--muted);font:800 14px Inter,sans-serif;text-align:left;cursor:pointer;transition:.2s ease}.rule-step span{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:rgba(0,0,0,.2);color:var(--gold-2)}.rule-step:hover,.rule-step.active{background:rgba(246,240,223,.09);border-color:rgba(240,209,122,.35);color:var(--cream);transform:translateX(3px)}.rule-stage-card{min-height:520px;padding:34px;border:1px solid var(--line);border-radius:32px;background:linear-gradient(145deg,rgba(246,240,223,.11),rgba(246,240,223,.045));box-shadow:var(--shadow);overflow:hidden}.rule-stage-card h2{max-width:760px}.rule-stage-card>p:not(.eyebrow){max-width:760px;color:var(--muted);font-size:18px;line-height:1.7}.rule-visual{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin:34px 0;min-height:150px}.rule-mini-card{display:grid;place-items:center;width:96px;height:132px;border-radius:16px;background:linear-gradient(160deg,#fffaf0,#eadfc9);color:var(--black);box-shadow:0 14px 40px rgba(0,0,0,.28);font:900 28px Outfit,sans-serif;animation:cardPop .35s ease both}.rule-mini-card.red{color:var(--red)}.rule-token{display:grid;place-items:center;min-width:94px;min-height:58px;padding:0 18px;border-radius:999px;background:linear-gradient(145deg,rgba(216,177,90,.24),rgba(246,240,223,.07));border:1px solid rgba(216,177,90,.34);color:var(--gold-2);font-weight:900;animation:cardPop .35s ease both}.rule-note{padding:18px 20px;border-radius:22px;border:1px solid rgba(216,177,90,.34);background:rgba(216,177,90,.12);color:var(--cream);font-weight:800}.decision-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.decision-card{padding:22px;border:1px solid var(--line);border-radius:24px;background:rgba(246,240,223,.07);box-shadow:0 14px 50px rgba(0,0,0,.14);transition:.2s ease}.decision-card:hover{transform:translateY(-5px);border-color:rgba(240,209,122,.42)}.decision-card strong{font:900 25px Outfit,sans-serif;color:var(--gold-2)}.decision-card p{color:var(--muted);line-height:1.65}.glossary-filter{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}.filter-chip{min-height:42px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:rgba(246,240,223,.06);color:var(--muted);font-weight:900;cursor:pointer;transition:.2s ease}.filter-chip:hover,.filter-chip.active{background:linear-gradient(145deg,var(--gold),var(--gold-2));color:var(--black);border-color:transparent}.term-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.term-card{position:relative;padding:24px;border:1px solid var(--line);border-radius:28px;background:linear-gradient(145deg,rgba(246,240,223,.105),rgba(246,240,223,.04));box-shadow:0 18px 60px rgba(0,0,0,.16);transition:.22s ease;transition-delay:var(--delay,0ms);overflow:hidden}.term-card:hover{transform:translateY(-5px);border-color:rgba(240,209,122,.45)}.term-icon{font-size:34px;margin-bottom:14px}.term-cat{margin:0 0 5px;color:var(--gold-2);text-transform:uppercase;letter-spacing:.12em;font-size:11px;font-weight:900}.term-card h2{font-size:30px}.term-card p:not(.term-cat){color:var(--muted);line-height:1.65}.term-example{margin-top:18px;padding:14px;border-radius:18px;background:rgba(0,0,0,.17);border:1px solid var(--line);color:rgba(246,240,223,.78);line-height:1.55}.term-example strong{color:var(--gold-2)}@keyframes cardPop{from{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:none}}
@media(max-width:900px){.rules-layout{grid-template-columns:1fr}.rules-timeline{position:relative;top:auto;grid-template-columns:repeat(2,minmax(0,1fr))}.decision-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.term-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.rules-timeline{grid-template-columns:1fr}.rule-stage-card{min-height:auto;padding:22px}.rule-mini-card{width:64px;height:88px;border-radius:11px;font-size:20px}.decision-grid,.term-grid{grid-template-columns:1fr}.term-card{padding:20px}}

/* v0.4 · Quiz module */
.quiz-shell{padding:24px;border:1px solid var(--line);border-radius:34px;background:linear-gradient(145deg,rgba(246,240,223,.105),rgba(246,240,223,.045));box-shadow:var(--shadow)}
.quiz-status{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}.quiz-status .eyebrow{margin-bottom:5px}.quiz-status strong{font:900 24px Outfit,sans-serif}.quiz-score-pill{display:inline-flex;align-items:center;gap:7px;min-height:46px;padding:0 18px;border-radius:999px;background:linear-gradient(145deg,var(--gold),var(--gold-2));color:var(--black);font-weight:900}.quiz-progress-line{height:12px;background:rgba(0,0,0,.26);border-radius:999px;overflow:hidden}.quiz-progress-line span{display:block;height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--gold),var(--gold-2));transition:width .35s ease}.quiz-start{display:grid;place-items:center;padding:48px 0 18px}.quiz-start-card{max-width:650px;text-align:center;padding:34px;border:1px solid rgba(216,177,90,.32);border-radius:32px;background:rgba(216,177,90,.11)}.quiz-start-icon{font-size:58px;margin-bottom:12px}.quiz-start-card p{color:var(--muted);font-size:18px;line-height:1.65}.quiz-game{padding-top:28px}.quiz-question-card{padding:28px;border:1px solid var(--line);border-radius:28px;background:rgba(0,0,0,.16)}.quiz-kicker{margin:0 0 12px;color:var(--gold-2);font-weight:900;text-transform:uppercase;letter-spacing:.12em;font-size:12px}.quiz-question-card h2{font-size:clamp(28px,4vw,46px)}.quiz-cards{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.quiz-play-card{width:86px;height:120px;padding:8px;border-radius:14px;background:linear-gradient(160deg,#fffaf0,#eadfc9);color:var(--black);box-shadow:0 14px 38px rgba(0,0,0,.28);display:flex;flex-direction:column;justify-content:space-between;font-family:Outfit,sans-serif;font-weight:900;animation:cardPop .35s ease both}.quiz-play-card.red{color:var(--red)}.quiz-play-card em{font-style:normal;font-size:17px;line-height:.9}.quiz-play-card em:last-child{align-self:flex-end;transform:rotate(180deg)}.quiz-play-card small{display:block}.quiz-play-card b{font-size:34px;align-self:center}.quiz-context{margin-top:18px;color:var(--muted);line-height:1.6}.quiz-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:20px}.quiz-option{display:flex;align-items:center;gap:12px;min-height:66px;padding:12px 16px;border-radius:22px;border:1px solid var(--line);background:rgba(246,240,223,.07);color:var(--cream);font:900 16px Inter,sans-serif;text-align:left;cursor:pointer;transition:.18s ease}.quiz-option:hover:not(:disabled){transform:translateY(-3px);border-color:rgba(240,209,122,.45)}.quiz-option span{display:grid;place-items:center;flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:rgba(0,0,0,.2);color:var(--gold-2)}.quiz-option.correct{border-color:#77d88e;background:rgba(119,216,142,.16)}.quiz-option.wrong{border-color:#e45d75;background:rgba(228,93,117,.14)}.quiz-option:disabled{cursor:default}.quiz-feedback{min-height:0;margin-top:18px;padding:0;border-radius:24px;overflow:hidden;transition:.2s ease}.quiz-feedback.is-good,.quiz-feedback.is-bad{padding:18px 20px;border:1px solid var(--line);background:rgba(0,0,0,.16)}.quiz-feedback.is-good{border-color:rgba(119,216,142,.45)}.quiz-feedback.is-bad{border-color:rgba(228,93,117,.45)}.quiz-feedback strong{font:900 22px Outfit,sans-serif;color:var(--gold-2)}.quiz-feedback p{margin:8px 0 0;color:var(--muted);line-height:1.65}.quiz-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.quiz-final{margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}.quiz-final span{display:block;margin-top:6px;font-weight:900;color:var(--cream)}
.rule-examples{display:grid;gap:14px;margin-top:20px}.rule-example-card{padding:16px;border:1px solid var(--line);border-radius:20px;background:rgba(0,0,0,.16)}.rule-example-card strong{color:var(--gold-2)}.rule-example-card p{margin:8px 0 0;color:var(--muted);line-height:1.6}.rule-example-cards{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0}.tiny-card{display:inline-grid;place-items:center;width:44px;height:60px;border-radius:8px;background:linear-gradient(160deg,#fffaf0,#eadfc9);color:var(--black);font:900 13px Outfit,sans-serif}.tiny-card.red{color:var(--red)}
@media(max-width:720px){.quiz-status{align-items:flex-start}.quiz-options{grid-template-columns:1fr}.quiz-play-card{width:62px;height:88px;border-radius:10px}.quiz-play-card b{font-size:25px}.quiz-play-card em{font-size:12px}.quiz-shell{padding:16px}.quiz-question-card{padding:20px}}