:root{--ink:#121c30;--navy:#0e1730;--muted:#4f5b70;--blue:#164ab5;--lime:#ff9a45;--paper:#f3f5f9;--line:#d7dfeb;--radius:8px}
.chapter,.chapter-body,.chapter-label,.game-detail>div{min-width:0}.table-scroll{max-width:100%;width:100%}.game-help summary{cursor:pointer;color:#164ab5;font-weight:700}.game-help img{max-width:420px;margin-top:20px}
body{font-size:17px;line-height:1.75}h1,h2,h3{letter-spacing:-.035em}h1{font-size:clamp(2.75rem,4.8vw,4.65rem)}h2{font-size:clamp(2rem,3.1vw,3rem)}h3{font-size:1.5rem;line-height:1.25}.wrap{width:min(1280px,calc(100% - 72px))}.topline{font-size:.875rem}.nav-wrap{min-height:86px}.nav-logo{width:206px}.button{border-radius:4px}.primary{background:#1549b5}.eyebrow{font-size:.875rem;letter-spacing:.12em}.section{padding-block:76px}.lead{font-size:1.2rem;max-width:800px}.fine,figcaption,.micro{font-size:.875rem}.product-nav{background:#edf1f8;border-bottom:1px solid var(--line);display:block}.product-nav>.wrap{display:flex;gap:26px;align-items:center;min-height:58px;overflow-x:auto;white-space:nowrap}.product-nav strong{font-size:.875rem;color:#164ab5;margin-right:10px}.product-nav a{font-size:.925rem;padding:15px 0;border-bottom:3px solid transparent}.product-nav a[aria-current]{border-color:#f47716;color:#142849}.hero-v2{background:var(--navy);color:white;overflow:hidden}.hero-v2>.wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding-block:65px}.hero-v2 h1{margin-bottom:25px;max-width:650px}.hero-v2 h1 span{color:#ff9a45}.hero-v2 .eyebrow{color:#ff9a45}.hero-v2 .lead{color:#d6dfef;font-size:1.15rem}.hero-v2 .primary{background:#ff9135;color:#131c2e}.hero-v2 .secondary{color:white;border-color:#8994ab}.hero-v2 .secondary:hover{background:#25334f}.hero-art{margin:0}.hero-art img{width:100%;height:auto;display:block;border-radius:8px}.hero-art figcaption{font-size:.875rem;color:#b3bed2;margin-top:12px;line-height:1.5}.hero-games{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:15px}.hero-games img{aspect-ratio:1.4;object-fit:contain;background:#192749;padding:6px}.hero-facts{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:28px;padding-top:22px;border-top:1px solid #4e5b77;color:#e2e8f4;font-size:.9rem}.hero-facts strong{color:white}.quick-paths{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);margin-top:0;background:white}.quick-paths>a{padding:25px 27px;border-right:1px solid var(--line)}.quick-paths>a:last-child{border:0}.quick-paths small{display:block;font-size:.875rem;color:#576781;margin-bottom:8px}.quick-paths strong{display:block;font-size:1.06rem;line-height:1.5}.quick-paths>a:hover{background:#edf2fb}.game-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}.game-mini{display:block}.game-mini .art{aspect-ratio:1.4;display:flex;align-items:center;background:#111b32;border-radius:6px;overflow:hidden;margin-bottom:18px}.game-mini img{width:100%;height:100%;object-fit:contain}.game-mini h3{font-size:1.14rem;letter-spacing:-.02em;margin-bottom:8px}.game-mini p{font-size:1rem;color:var(--muted)}.game-mini:hover h3{color:#164ab5}.portfolio{display:grid;grid-template-columns:1.35fr 1fr;gap:22px}.portfolio-main{grid-row:span 2;background:#0e1730;padding:42px;color:white;border-left:5px solid #f88728}.portfolio-main .eyebrow{color:#ffac66}.portfolio-main h3{font-size:2.3rem;margin-bottom:22px}.portfolio-main p{color:#d6dfef}.portfolio-main .text-link{color:#ffb477}.portfolio-side{padding:29px 34px;background:#f3f5f9;border-left:3px solid #164ab5}.portfolio-side h3{margin-bottom:15px}.portfolio-side p{color:var(--muted)}.index-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}.index-card{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:30px}.index-card .eyebrow{margin-bottom:13px}.index-card h3{margin-bottom:15px}.index-card p{color:var(--muted)}.index-card a{color:#164ab5;text-decoration:underline;text-underline-offset:4px;font-weight:700}.chapter{display:grid;grid-template-columns:260px minmax(0,1fr);gap:55px;padding-block:55px;border-bottom:1px solid var(--line)}.chapter:first-child{padding-top:0}.chapter:last-child{border-bottom:0}.chapter-label .eyebrow{margin-bottom:14px}.chapter-label h2{font-size:2rem;line-height:1.18}.chapter-body>p{max-width:880px}.chapter-body h3{font-size:1.28rem;margin:30px 0 14px}.chapter-body h3:first-child{margin-top:0}.chapter-body ul{padding-left:22px}.chapter-body li{margin-bottom:12px}.chapter-body p,.chapter-body li{color:#435167}.article-intro{padding-block:52px;background:#f0f3f9}.article-intro h1{max-width:970px}.article-intro .lead{margin-top:24px;margin-bottom:0}.article-intro .crumb{margin-bottom:26px}.jump-list{display:flex;flex-wrap:wrap;gap:10px 22px;border-top:1px solid var(--line);padding-top:24px;margin-top:30px}.jump-list a{font-size:1rem;color:#164ab5;font-weight:700;text-decoration:underline;text-underline-offset:5px}.game-detail{display:grid;grid-template-columns:.88fr 1.25fr;gap:55px;align-items:start;padding-block:64px;border-bottom:1px solid var(--line);scroll-margin-top:115px}.game-detail:first-child{padding-top:0}.game-detail:last-child{border-bottom:0}.game-detail h2{margin-bottom:24px}.game-detail h3{margin-block:26px 12px;font-size:1.28rem}.game-detail p,.game-detail li{color:#46556b}.game-detail figure{margin:0;background:#111b32;border-radius:8px;overflow:hidden;padding:20px}.game-detail img{width:100%;height:auto;display:block;max-height:410px;object-fit:contain}.game-detail figcaption{color:#c3cde0;margin-top:18px;line-height:1.5}.game-detail .badge{display:inline-block;background:#e9eef9;color:#194799;padding:3px 10px;font-size:.875rem;margin-bottom:18px}.options-table table{min-width:780px}.options-table th:first-child{width:25%}.options-table th,.options-table td{font-size:1rem}.options-table tbody th{background:#f0f3f9}.options-table td{color:#44536a}.diagram-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.diagram-flow>div{padding:26px;border-top:4px solid #ff983f;background:#1c2944}.diagram-flow span{color:#ffb173;font-weight:700;font-size:.875rem}.diagram-flow h3{font-size:1.24rem;margin:15px 0}.diagram-flow p{font-size:1rem;color:#d0d9e8;margin:0}.cta-band{border-radius:6px;background:#0e1730}.cta-band .button{background:#ff963e;color:#121c30}.cta-band h2{font-size:2.3rem}.cta-band .eyebrow{color:#ffb579}.feature .number{border-radius:4px;background:#eaf0fa}.panel{border-radius:6px}.page-hero{background:#f3f5f9}.footer-grid{grid-template-columns:1.25fr 1fr 1fr 1fr}.footer-grid a:not(.brand),.footer-grid p{font-size:.92rem}.footer-bottom{font-size:.875rem}.note{background:#eef3fa}.note a{text-decoration:underline}.dark a.text-link{color:#ffb477}.contact-layout{align-items:start}.related{margin-top:30px;padding:24px;border-left:4px solid #ee8128;background:#f2f5fa}.related p:last-child{margin:0}.table-scroll{border-radius:4px}.display-image{width:100%;height:auto;display:block}.section-heading{max-width:950px}.source-note{font-size:.9rem;color:#5b6980}.source-note a{text-decoration:underline}.chapter-body .two-col{gap:22px}.chapter-body .panel{padding:25px}.chapter-body .panel h3{margin-top:0}.paper-card{display:grid;grid-template-columns:1fr 1.7fr;gap:35px;align-items:center;margin-top:38px;background:#edf2fa;padding:30px}.paper-card h3{margin-bottom:15px}.paper-card img{width:100%;height:auto}.paper-card p{color:var(--muted);margin-bottom:0}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@media(max-width:1100px){.wrap{width:calc(100% - 48px)}.nav-logo{width:178px}nav{gap:18px}.hero-v2>.wrap{gap:30px}.hero-v2 h1{font-size:3.65rem}.chapter{grid-template-columns:220px 1fr;gap:35px}.game-detail{gap:35px}.game-strip{gap:15px}.game-mini h3{font-size:1.02rem}.game-mini p{font-size:.925rem}.quick-paths>a{padding:20px}.index-card{padding:24px}}
@media(max-width:850px){.hero-v2>.wrap{grid-template-columns:1fr;gap:36px}.hero-v2 h1{max-width:700px;font-size:3.9rem}.hero-v2 .lead{max-width:720px}.hero-art{max-width:680px}.hero-games{display:none}.product-nav>.wrap{gap:23px}.quick-paths{grid-template-columns:1fr 1fr}.quick-paths>a{border-bottom:1px solid var(--line)}.quick-paths>a:nth-child(2){border-right:0}.game-strip{grid-template-columns:repeat(3,1fr);gap:26px}.index-grid{grid-template-columns:1fr 1fr}.chapter{grid-template-columns:1fr;gap:25px}.chapter-label h2{max-width:750px}.game-detail{grid-template-columns:1fr 1.2fr;gap:26px}.diagram-flow{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.portfolio{grid-template-columns:1fr}.portfolio-main{grid-row:auto}}
@media(max-width:620px){.wrap{width:calc(100% - 36px)}.hero-v2>.wrap{padding-block:38px}.hero-v2 h1{font-size:2.9rem}.hero-v2 .lead{font-size:1.08rem}.hero-facts{gap:9px 20px}.section{padding-block:49px}.quick-paths strong{font-size:1rem}.quick-paths>a{padding:20px 18px}.game-strip{grid-template-columns:1fr 1fr;gap:25px 18px}.game-mini h3{font-size:1.1rem}.game-mini p{font-size:.96rem}.index-grid{grid-template-columns:1fr}.index-card{padding:27px}.article-intro{padding-block:35px}.article-intro h1{font-size:2.6rem}.chapter{padding-block:38px}.chapter-label h2{font-size:1.9rem}.game-detail{grid-template-columns:1fr;gap:30px;padding-block:40px}.game-detail figure{max-width:460px}.game-detail h2{font-size:2.15rem}.diagram-flow{grid-template-columns:1fr}.portfolio-main{padding:30px}.portfolio-side{padding:27px}.footer-grid{gap:30px}.footer-grid a:not(.brand){font-size:.9rem}.paper-card{grid-template-columns:1fr;padding:23px}.hero-art figcaption{font-size:.875rem}.product-nav>.wrap{width:100%;padding-inline:18px}.product-nav strong{display:none}.chapter-body .two-col{grid-template-columns:1fr}}
/* Bingo-Opoly connection branding */
.connection-logo{display:block;width:min(250px,100%);height:auto;margin:0 0 24px}.portfolio-logo{display:block;width:min(290px,100%);height:auto;margin:0 0 20px}.flow-logo{display:block;width:100%;max-width:250px;height:auto;margin:20px 0 15px}.chapter[id]{scroll-margin-top:110px}