:root{color:#192b31;font-synthesis:none;--ink:#192b31;--muted:#536364;--line:#d7dcd2;--lime:#d6ec91;--tick-tock-toe-blue:#01c8f7;background:#f7f7ef;font-family:Arial,Helvetica,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:2rem}body{margin:0}a{color:inherit;text-underline-offset:.22em}a:hover{text-decoration-thickness:2px}a:focus-visible{outline-offset:5px;outline:3px solid #47751b}h1,h2,h3,p{margin:0}p{line-height:1.65}h1,h2,h3{letter-spacing:-.055em;font-weight:500}h1{font-size:clamp(3rem,6.2vw,6rem);line-height:1.04}h2{font-size:clamp(2rem,3.7vw,3.5rem);line-height:1.13}h3{font-size:2.2rem;line-height:1.15}em{font-family:Georgia,serif;font-weight:400}.wrap{width:min(1180px,100% - 80px);margin-inline:auto}.site-header{border-bottom:1px solid 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30px;font-size:19px}.button{background:var(--ink);color:#fff;border-radius:6px;justify-content:space-between;align-items:center;gap:30px;min-height:52px;padding:16px 23px;font-size:14px;text-decoration:none;display:inline-flex}.button:hover{background:#31494c}.button span{font-size:20px}.button.secondary{border:1px solid var(--ink);color:var(--ink);background:0 0}.button.secondary:hover{background:#e7eecf}.game-art{background:var(--tick-tock-toe-blue);aspect-ratio:1/1.08;border-radius:44% 44% 8px 8px;flex-direction:column;justify-content:center;padding:65px 38px 32px;display:flex;transform:rotate(3deg)}.game-grid{grid-template-columns:repeat(3,1fr);width:90%;margin:auto;display:grid;transform:rotate(-8deg)}.game-grid span{aspect-ratio:1;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);place-items:center;font-size:clamp(35px,5vw,65px);font-weight:400;line-height:1;display:grid}.game-grid span:nth-child(3n){border-right:0}.game-grid span:nth-last-child(-n+3){border-bottom:0}.art-caption{text-align:center;text-transform:uppercase;letter-spacing:.12em;margin-top:32px;font-size:clamp(13px,1.2vw,16px);font-weight:600;line-height:1.5}.section-heading{padding-bottom:40px}.apps-section{padding-block:32px 60px}.app-row{border-top:1px solid var(--line);grid-template-columns:80px 1fr 200px;align-items:center;gap:30px;padding-block:48px;display:grid}.index{letter-spacing:.12em;color:var(--muted);align-self:start;padding-top:4px;font-size:12px}.app-row .eyebrow{margin-bottom:12px}.app-row p:not(.eyebrow){color:var(--muted);max-width:34rem;margin-top:18px}.text-link{gap:24px;margin-top:24px;font-size:14px;font-weight:700;display:inline-flex}.letter-art{text-align:center;color:var(--ink);background:var(--tick-tock-toe-blue);aspect-ratio:1;border-radius:100%;place-items:center;font-family:Georgia,serif;font-size:90px;display:grid}.arc-art{border:28px solid #c7d6dd;border-bottom-color:#0000;border-radius:50%;justify-self:center;width:160px;height:160px;transform:rotate(-35deg)}.support-strip{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:30px;padding-block:48px 64px;display:flex}.support-strip .eyebrow{margin-bottom:12px}.support-strip h2{font-size:2.2rem}.site-footer{border-top:1px solid var(--line);color:var(--muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:25px;padding-block:30px;font-size:12px;display:flex}.footer-brand{color:var(--ink);font-weight:700;text-decoration:none}.site-footer nav{gap:22px;display:flex}.site-footer p{font-size:11px}.app-nav{border-bottom:1px solid var(--line);flex-wrap:wrap;gap:25px;padding-block:22px;font-size:13px;display:flex}.app-nav a{padding-block:5px;text-decoration:none}.app-nav a[aria-current]{font-weight:700;text-decoration:underline}.document{max-width:820px;min-height:60vh;padding-block:70px 100px}.document h1{font-size:clamp(3rem,6vw,5rem)}.document h2{letter-spacing:-.035em;margin-block:30px 16px;font-size:1.6rem}.document p:not(.eyebrow):not(.lede):not(.small){margin-block:16px}.document li{margin-bottom:10px;line-height:1.7}.document ul{padding-left:22px}.notice{background:#e9eddf;border-left:3px solid #6b7d38;margin-block:30px;padding:24px 28px}.notice p{font-size:14px;margin-bottom:0!important}.small{color:var(--muted);margin-top:16px;font-size:12px}hr{border:0;border-top:1px solid var(--line);margin-block:40px}.feature-section{padding-block:35px 80px}.feature-grid{grid-template-columns:repeat(3,1fr);gap:40px;margin-top:50px;display:grid}.feature-grid article{border-top:1px solid var(--line);padding-top:22px}.feature-grid h3{letter-spacing:-.035em;margin-block:22px 14px;font-size:1.5rem}.feature-grid p{color:var(--muted);font-size:15px}.link-stack{gap:16px;font-size:14px;display:grid}.skip-link{background:var(--ink);color:#fff;z-index:2;padding:14px;position:absolute;top:-100px;left:20px}.skip-link:focus{top:10px}@media (width<=800px){.wrap{width:calc(100% - 40px)}.site-header{align-items:flex-start}.site-header nav{justify-content:flex-end;gap:12px 20px}.hero{gap:35px;padding-block:60px}.game-art{padding:35px 20px 24px}.app-row{grid-template-columns:40px 1fr 120px;gap:15px}.letter-art{font-size:65px}.arc-art{border-width:20px;width:110px;height:110px}.feature-grid{gap:24px}.support-strip{flex-direction:column;align-items:flex-start}}@media (width<=560px){.site-header{flex-direction:column;gap:22px;padding-block:20px}.site-header nav{justify-content:flex-start;gap:24px}.hero{grid-template-columns:1fr;gap:45px;padding-block:52px}.game-art{justify-self:center;width:80%;max-width:310px}.game-grid span{font-size:50px}.app-row{grid-template-columns:26px 1fr;padding-block:35px}.app-row .letter-art,.app-row .arc-art{display:none}.feature-grid{grid-template-columns:1fr;gap:30px}.feature-section{padding-bottom:50px}.document{padding-block:45px 65px}.app-nav{gap:18px}.site-footer{flex-direction:column;align-items:flex-start;gap:18px}.notice{padding:20px}.lede{font-size:18px}.support-strip h2{font-size:1.9rem}h3{font-size:2rem}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}