@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components,utilities;:root{--font-display:"Arial Rounded MT Bold", "Trebuchet MS", "Segoe UI", sans-serif;--font-body:"Segoe UI", Arial, sans-serif;--ink:#f9f5ff;--muted:#b9aecb;--purple:#9b4dff;--purple-bright:#c86bff;--gold:#ffc447;--night:#09030f;--panel:#160a25;--line:#ffffff1f}.learning-page{color:#f8f2ff;background:radial-gradient(circle at 85% 0,#7329aa38,#0000 36%),#090510;min-height:100vh}.learning-shell{width:min(980px,100% - 36px);margin:0 auto;padding:70px 0 110px}.breadcrumbs{color:#aa9ab8;flex-wrap:wrap;gap:10px;margin-bottom:45px;font-size:14px;display:flex}.breadcrumbs a,.graph-links a{color:#ffc33d}.learning-shell>h1{max-width:850px;margin:16px 0 24px;font-size:clamp(42px,7vw,82px);line-height:.98}.answer-first{color:#eadbf5;border-left:4px solid #ffc33d;max-width:850px;padding-left:22px;font-size:clamp(20px,3vw,30px);line-height:1.45}.learning-shell section{margin-top:64px}.learning-shell h2{margin-bottom:14px;font-size:clamp(27px,4vw,42px)}.learning-shell p,.learning-shell li{color:#d8cbe2;font-size:18px;line-height:1.75}.worked-example{background:linear-gradient(145deg,#1c0d2e,#12081f);border:1px solid #4d3464;border-radius:24px;padding:30px}.worked-example h3{font-size:24px}.practice-frame{background:#10071c;border:1px solid #5b3976;border-radius:26px;width:100%;height:520px;margin:22px 0;display:block}.learning-columns{grid-template-columns:1fr 1fr;gap:24px;display:grid}.learning-columns section{background:#13091f;border:1px solid #402c50;border-radius:20px;padding:25px}.graph-links{border-top:1px solid #382546;grid-template-columns:repeat(3,1fr);gap:18px;padding-top:34px;display:grid}.graph-links div{align-content:start;gap:9px;display:grid}.graph-links h2{font-size:18px}.graph-links a{font-size:17px}.learning-page .site-header{position:relative}.learning-page .faq-list details{background:#150a22;border-color:#453057}@media (width<=700px){.learning-columns,.graph-links{grid-template-columns:1fr}.practice-frame{height:580px}.learning-shell{width:min(100% - 24px,980px);padding-top:42px}}.learning-cta-row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.learning-app-cta{color:#f5eaff;background:#1b0d2a;border:1px solid #705384}.learning-app-cta:hover{border-color:#ffc33d}@media (width<=480px){.learning-cta-row .button{justify-content:center;width:100%}}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--night)}body{background:radial-gradient(circle at 16% 8%, #862dff33, transparent 28rem), radial-gradient(circle at 86% 20%, #ff36ca1c, transparent 30rem), var(--night);color:var(--ink);font-family:var(--font-body), sans-serif;min-width:320px;margin:0}body:before{content:"";opacity:.16;pointer-events:none;z-index:-1;background-image:radial-gradient(#ffffff47 .7px,#0000 .7px);background-size:29px 29px;position:fixed;inset:0;-webkit-mask-image:linear-gradient(#000,#0000 72%);mask-image:linear-gradient(#000,#0000 72%)}main{overflow:clip}a{color:inherit}button,a{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid var(--gold);outline-offset:4px}.site-header{-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);z-index:20;background:#09030fb8;border:1px solid #ffffff14;border-radius:22px;grid-template-columns:1fr auto 1fr;align-items:center;width:calc(100% - 36px);max-width:1240px;padding:10px 12px 10px 14px;display:grid;position:fixed;top:18px;left:50%;transform:translate(-50%)}.brand-lockup{font-family:var(--font-display), sans-serif;letter-spacing:-.02em;justify-self:start;align-items:center;gap:10px;min-height:44px;font-size:1.1rem;font-weight:800;text-decoration:none;display:inline-flex}.brand-lockup img,.brand-lockup picture{object-fit:contain;width:42px;height:42px}.site-header nav{align-items:center;gap:30px;display:flex}.site-header nav a{color:var(--muted);font-size:.82rem;font-weight:700;text-decoration:none;transition:color .18s}.site-header nav a:hover{color:#fff}.header-cta{color:#160521;background:#fff;border-radius:14px;justify-self:end;padding:11px 17px;font-size:.78rem;font-weight:800;text-decoration:none;transition:transform .18s,box-shadow .18s}.header-cta:hover{transform:translateY(-2px);box-shadow:0 10px 30px #d17aff40}.hero{grid-template-columns:minmax(0,1fr) minmax(390px,.88fr);align-items:center;gap:clamp(36px,6vw,88px);max-width:1240px;min-height:850px;margin:0 auto;padding:140px 18px 78px;display:grid}.hero-copy{z-index:2;max-width:690px;position:relative}.eyebrow{color:#d9caef;letter-spacing:.13em;text-transform:uppercase;align-items:center;gap:9px;margin:0 0 20px;font-size:.72rem;font-weight:800;display:flex}.eyebrow span{color:var(--gold)}.hero h1,.section-heading h2,.promise-intro h2,.closing-banner h2,.legal-hero h1{font-family:var(--font-display), sans-serif;letter-spacing:-.055em}.hero h1{margin:0;font-size:clamp(4.4rem,8.2vw,7.75rem);font-weight:800;line-height:.82}.hero h1 span{background:linear-gradient(100deg, var(--gold) 5%, #ff8bd9 49%, #b477ff 88%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;padding-bottom:.08em;font-size:.86em;display:block}.hero-lead{color:var(--muted);max-width:590px;margin:28px 0 0;font-size:clamp(1rem,1.5vw,1.16rem);line-height:1.8}.hero-actions{flex-wrap:wrap;align-items:center;gap:14px;margin-top:32px;display:flex}.button{border:1px solid #0000;border-radius:16px;justify-content:center;align-items:center;gap:14px;min-height:52px;padding:0 22px;font-size:.88rem;font-weight:800;text-decoration:none;transition:transform .18s,box-shadow .18s,background .18s;display:inline-flex}.button:hover{transform:translateY(-2px)}.button-primary{background:linear-gradient(130deg, var(--gold), #ff9b31);color:#291105;box-shadow:0 10px 36px #ffad2d2e}.button-primary:hover{box-shadow:0 14px 44px #ffad2d4d}.button-quiet{border-color:var(--line);color:#fff;background:#ffffff0d}.button-quiet:hover{background:#ffffff1a}.quick-facts{gap:0;margin:40px 0 0;padding:0;list-style:none;display:flex}.quick-facts li{color:#9b90ae;padding:0 24px;font-size:.72rem;line-height:1.2}.quick-facts li:first-child{padding-left:0}.quick-facts li+li{border-left:1px solid var(--line)}.quick-facts strong{color:#fff;font-family:var(--font-display), sans-serif;margin-bottom:2px;font-size:1.45rem;display:block}.hero-stage{aspect-ratio:.9;isolation:isolate;background:-webkit-linear-gradient(#0b021973,#0b02190f),-webkit-image-set(url(/brand/responsive/synthwave-wallpaper.avif) 1x type("image/avif"),url(/brand/responsive/synthwave-wallpaper.webp) 1x type("image/webp")) 50%/cover;background:linear-gradient(#0b02190f,#0b021973),image-set("/brand/responsive/synthwave-wallpaper.avif" 1x type("image/avif"),"/brand/responsive/synthwave-wallpaper.webp" 1x type("image/webp")) 50%/cover;border:1px solid #dc99ff3d;border-radius:50% 50% 40% 40%;min-height:510px;max-height:650px;position:relative;overflow:hidden;box-shadow:inset 0 0 70px #d348ff2e,0 50px 120px #490e7359}.hero-stage:before{content:"";z-index:-1;background:linear-gradient(#0000 50%,#2805448c);position:absolute;inset:0}.mascot-glow{filter:drop-shadow(0 25px 45px #00000073);z-index:2;width:79%;position:absolute;bottom:10%;left:50%;transform:translate(-50%)}.mascot-glow:before{content:"";filter:blur(30px);z-index:-1;background:#d150ff80;border-radius:50%;position:absolute;inset:18% 12%}.mascot-art{aspect-ratio:1;background:50%/contain no-repeat;width:100%;display:block}@media (width>=701px){.mascot-art{background-image:-webkit-image-set(url(/brand/responsive/goofer-g-512.avif) 1x type("image/avif"),url(/brand/responsive/goofer-g-512.webp) 1x type("image/webp"));background-image:image-set("/brand/responsive/goofer-g-512.avif" 1x type("image/avif"),"/brand/responsive/goofer-g-512.webp" 1x type("image/webp"))}}.orbit{border:1px solid #ffffff30;border-radius:50%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)rotate(-16deg)}.orbit-one{width:80%;height:80%}.orbit-two{border-color:#eb63ff47;width:102%;height:61%;transform:translate(-50%,-50%)rotate(24deg)}.game-token{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);font-family:var(--font-display), sans-serif;z-index:3;background:linear-gradient(145deg,#ffffff2e,#1a0730d6);border:1px solid #ffffff42;border-radius:16px;justify-content:center;align-items:center;width:68px;height:68px;font-size:1.25rem;font-weight:800;display:flex;position:absolute;box-shadow:0 16px 35px #0000004d}.token-cards{color:#ffcf56;top:19%;left:8%;transform:rotate(-12deg)}.token-math{color:#ff7bdb;top:12%;right:7%;transform:rotate(9deg)}.token-numbers{color:#66e8ff;top:50%;right:8%;transform:rotate(-7deg)}.token-chess{color:#c9ff65;bottom:16%;left:9%;transform:rotate(10deg)}.stage-note{-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);border:1px solid var(--line);letter-spacing:.04em;text-transform:uppercase;white-space:nowrap;z-index:4;background:#0c0418b8;border-radius:99px;align-items:center;gap:9px;padding:9px 14px;font-size:.68rem;font-weight:800;display:flex;position:absolute;bottom:5%;left:50%;transform:translate(-50%)}.live-dot{background:#99f84e;border-radius:50%;width:7px;height:7px;box-shadow:0 0 12px #99f84ecc}.games-section,.promise-section,.closing-banner,footer,.legal-wrap{max-width:1240px;margin-left:auto;margin-right:auto}.games-section{padding:90px 18px 110px}.section-heading{grid-template-columns:1.2fr .8fr;align-items:end;gap:40px;margin-bottom:46px;display:grid}.section-heading h2,.promise-intro h2{margin:0;font-size:clamp(2.6rem,5vw,5rem);line-height:.95}.section-heading>p,.promise-intro>p:last-child{color:var(--muted);max-width:480px;margin:0 0 7px;font-size:.95rem;line-height:1.75}.game-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;display:grid}.game-card{border:1px solid var(--line);background:linear-gradient(155deg,#27113de6,#0f071bf5);border-radius:28px;min-width:0;padding:10px 10px 24px;transition:border-color .22s,transform .22s;position:relative;overflow:hidden;box-shadow:0 28px 70px #00000042}.game-card:hover{border-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){.game-card:hover{border-color:color-mix(in srgb, var(--accent) 56%, transparent)}}.game-card:hover{transform:translateY(-5px)}.game-art{aspect-ratio:16/10;background:#1a0b29;border-radius:20px;display:block;position:relative;overflow:hidden}.game-art:after{content:"";background:linear-gradient(#0000 38%,#06020db8 100%),linear-gradient(110deg,#0000001f,#0000 50%);position:absolute;inset:0}.game-art img{object-fit:cover;object-position:center 21%;width:100%;height:100%;transition:transform .55s cubic-bezier(.2,.75,.25,1)}.game-card:hover .game-art img{transform:scale(1.04)}.card-number{color:#ffffffb8;letter-spacing:.16em;z-index:2;font-size:.66rem;font-weight:800;position:absolute;top:17px;left:18px}.game-symbol{background:var(--accent);box-shadow:0 9px 28px var(--accent);border:3px solid #ffffffc7;border-radius:17px;align-items:center;bottom:15px}@supports (color:color-mix(in lab, red, red)){.game-symbol{box-shadow:0 9px 28px color-mix(in srgb, var(--accent) 45%, transparent)}}.game-symbol{color:#18051e;font-family:var(--font-display), sans-serif;z-index:2;justify-content:center;width:56px;height:56px;font-size:1.35rem;font-weight:800;display:flex;position:absolute;left:16px;transform:rotate(-4deg)}.play-pill{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);z-index:2;background:#0b0315b8;border:1px solid #ffffff38;border-radius:99px;align-items:center;gap:10px;padding:10px 14px;font-size:.76rem;font-weight:800;display:inline-flex;position:absolute;bottom:17px;right:16px}.game-copy{padding:22px 12px 0}.game-copy>p{color:var(--accent);letter-spacing:.14em;text-transform:uppercase;margin:0 0 6px;font-size:.66rem;font-weight:800}.game-copy h3{font-family:var(--font-display), sans-serif;letter-spacing:-.04em;margin:0 0 10px;font-size:clamp(1.55rem,3vw,2.25rem);line-height:1.05}.game-copy>span{color:var(--muted);max-width:510px;font-size:.84rem;line-height:1.65;display:block}.game-links{flex-wrap:wrap;gap:10px 18px;margin-top:16px;display:flex}.game-links a{color:var(--accent);font-size:.76rem;font-weight:800;text-decoration:none}.landing-page{--page-accent:var(--gold)}.landing-hero{grid-template-columns:1fr minmax(360px,.85fr);align-items:center;gap:clamp(38px,7vw,90px);max-width:1240px;min-height:760px;margin:0 auto;padding:145px 18px 80px;display:grid}.landing-hero-copy h1,.landing-prose h2,.faq-section>h2,.feature-grid h2{font-family:var(--font-display), sans-serif;letter-spacing:-.045em}.landing-hero-copy h1{max-width:780px;margin:0;font-size:clamp(3.5rem,7vw,7rem);line-height:.9}.landing-hero-copy>p:not(.eyebrow):not(.coming-soon-note){color:var(--muted);max-width:650px;margin:28px 0 0;font-size:clamp(1rem,1.5vw,1.16rem);line-height:1.8}.landing-cover{aspect-ratio:4/5;background:var(--panel);border:1px solid var(--page-accent)}@supports (color:color-mix(in lab, red, red)){.landing-cover{border:1px solid color-mix(in srgb, var(--page-accent) 45%, transparent)}}.landing-cover{box-shadow:0 35px 100px var(--page-accent);border-radius:38px}@supports (color:color-mix(in lab, red, red)){.landing-cover{box-shadow:0 35px 100px color-mix(in srgb, var(--page-accent) 18%, transparent)}}.landing-cover{max-height:610px;position:relative;overflow:hidden;transform:rotate(2deg)}.landing-cover:after{content:"";background:linear-gradient(#0000 48%,#08030fc2);position:absolute;inset:0}.landing-cover img{object-fit:cover;width:100%;height:100%}.landing-cover picture{width:100%;height:100%;display:block}.landing-cover>span{background:var(--page-accent);box-shadow:0 14px 38px var(--page-accent);border:4px solid #fffc;border-radius:24px;align-items:center;bottom:25px}@supports (color:color-mix(in lab, red, red)){.landing-cover>span{box-shadow:0 14px 38px color-mix(in srgb, var(--page-accent) 42%, transparent)}}.landing-cover>span{color:#19051f;font-family:var(--font-display);z-index:2;justify-content:center;width:78px;height:78px;font-size:2rem;font-weight:900;display:flex;position:absolute;left:25px;transform:rotate(-6deg)}.button-disabled{color:#81768f;cursor:not-allowed;background:#ffffff09;border-color:#ffffff14}.coming-soon-note{color:#8f839e;margin:12px 0 0;font-size:.78rem}.feature-grid{grid-template-columns:repeat(4,1fr);gap:18px;max-width:1240px;margin:0 auto;padding:40px 18px 100px;display:grid}.feature-grid article{border:1px solid var(--line);background:linear-gradient(155deg,#27113de6,#0f071bf5);border-radius:24px;padding:26px}.feature-grid article>span{color:var(--page-accent);letter-spacing:.15em;font-size:.7rem;font-weight:900}.feature-grid h2{margin:32px 0 10px;font-size:1.45rem}.feature-grid p{color:var(--muted);margin:0;font-size:.9rem;line-height:1.7}.landing-prose{grid-template-columns:repeat(2,1fr);gap:22px;max-width:1000px;margin:0 auto;padding:40px 18px 100px;display:grid}.landing-prose article{border-top:1px solid var(--line);padding:32px 10px 0}.landing-prose h2{margin:0 0 22px;font-size:clamp(2rem,4vw,3.5rem);line-height:1}.landing-prose p{color:var(--muted);margin:0;line-height:1.85}.learning-directory{max-width:1240px;margin:0 auto;padding:36px 18px 110px}.learning-directory>h2{font-family:var(--font-display), sans-serif;letter-spacing:-.045em;max-width:900px;margin:0;font-size:clamp(2.6rem,5vw,5rem);line-height:.95}.directory-intro{color:var(--muted);max-width:760px;margin:24px 0 32px;line-height:1.8}.directory-feature{background:linear-gradient(135deg, var(--page-accent), #11071cf5);align-items:center}@supports (color:color-mix(in lab, red, red)){.directory-feature{background:linear-gradient(135deg, color-mix(in srgb, var(--page-accent) 22%, #170825), #11071cf5)}}.directory-feature{border:1px solid var(--page-accent)}@supports (color:color-mix(in lab, red, red)){.directory-feature{border:1px solid color-mix(in srgb, var(--page-accent) 45%, transparent)}}.directory-feature{border-radius:22px;gap:8px;margin-bottom:16px;padding:24px;text-decoration:none;display:grid}.directory-feature strong{color:var(--page-accent);font-family:var(--font-display), sans-serif;font-size:1.35rem}.directory-feature span{color:var(--muted);line-height:1.55}.directory-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.directory-grid a{border:1px solid var(--line);background:#ffffff09;border-radius:18px;gap:8px;min-width:0;padding:20px;text-decoration:none;transition:border-color .18s,transform .18s;display:grid}.directory-grid a:hover,.directory-grid a:focus-visible{border-color:var(--page-accent)}@supports (color:color-mix(in lab, red, red)){.directory-grid a:hover,.directory-grid a:focus-visible{border-color:color-mix(in srgb, var(--page-accent) 55%, transparent)}}.directory-grid a:hover,.directory-grid a:focus-visible{transform:translateY(-2px)}.directory-grid strong{color:#fff;font-family:var(--font-display), sans-serif;line-height:1.2}.directory-grid span{color:var(--muted);font-size:.78rem;line-height:1.55}.faq-section{max-width:900px;margin:0 auto;padding:50px 18px 120px}.faq-section>h2{margin:0 0 36px;font-size:clamp(2.8rem,5vw,5rem)}.faq-list{gap:12px;display:grid}.faq-list details{border:1px solid var(--line);background:#ffffff09;border-radius:18px;padding:0 22px}.faq-list summary{cursor:pointer;font-family:var(--font-display);padding:21px 0;font-size:1rem;font-weight:800}.faq-list p{color:var(--muted);margin:-4px 0 22px;line-height:1.75}@media (width<=900px){.landing-hero{grid-template-columns:1fr;padding-top:130px}.landing-cover{justify-self:center;width:min(100%,470px);max-height:540px}.feature-grid{grid-template-columns:repeat(2,1fr)}.directory-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=600px){.landing-page .site-header nav{display:none}.landing-hero-copy h1{font-size:clamp(3rem,15vw,4.8rem)}.feature-grid,.landing-prose,.directory-grid{grid-template-columns:1fr}}.promise-section{border:1px solid var(--line);background:radial-gradient(circle at 10% 10%,#aa46ff40,#0000 30rem),linear-gradient(145deg,#1a0c2a,#100719);border-radius:34px;grid-template-columns:.85fr 1.15fr;align-items:start;gap:clamp(42px,8vw,110px);width:calc(100% - 36px);padding:clamp(36px,6vw,78px);display:grid;position:relative;overflow:hidden}.promise-section:after{content:"";border:1px solid #d171ff26;border-radius:50%;width:360px;height:360px;position:absolute;top:-180px;left:-160px}.promise-intro{position:sticky;top:120px}.promise-intro h2{margin-bottom:26px}.promise-list article{border-top:1px solid var(--line);grid-template-columns:auto 1fr;align-items:start;gap:22px;padding:29px 0;display:grid}.promise-list article:last-child{border-bottom:1px solid var(--line)}.promise-list article>span{color:var(--gold);letter-spacing:.08em;padding-top:7px;font-size:.66rem;font-weight:800}.promise-list h3{font-family:var(--font-display), sans-serif;letter-spacing:-.03em;margin:0 0 4px;font-size:1.55rem}.promise-list p{color:var(--muted);margin:0;font-size:.84rem;line-height:1.65}.closing-banner{background:linear-gradient(110deg,#7d2dd8,#b43cec 52%,#ff77bd);border-radius:30px;grid-template-columns:auto 1fr auto;align-items:center;gap:25px;width:calc(100% - 36px);margin-top:90px;padding:22px 30px;display:grid;position:relative;overflow:hidden}.closing-banner:before{content:"";opacity:.3;background:radial-gradient(circle,#ffffff38 1px,#0000 1px) 0 0/20px 20px;position:absolute;inset:0}.closing-banner>*{z-index:1;position:relative}.closing-banner>img,.closing-banner>picture{filter:drop-shadow(0 12px 20px #32004857);object-fit:contain;width:108px;height:108px;margin:-13px 0;transform:rotate(-5deg)}.closing-banner>picture img{width:100%;height:100%;display:block}.closing-banner p{letter-spacing:.12em;text-transform:uppercase;margin:0 0 1px;font-size:.7rem;font-weight:800}.closing-banner h2{margin:0;font-size:clamp(1.7rem,3vw,2.65rem);line-height:1}.closing-banner .button-primary{color:#fff;background:#13051e}footer{grid-template-columns:.8fr 1.2fr;gap:30px;padding:86px 18px 30px;display:grid;position:relative}.footer-brand>p{color:var(--muted);max-width:290px;margin:15px 0 0;font-size:.8rem;line-height:1.6}.footer-links{grid-template-columns:.7fr .7fr 1.2fr;gap:30px;display:grid}.footer-links div{flex-direction:column;align-items:start;gap:9px;display:flex}.footer-links span{color:#80758f;letter-spacing:.13em;text-transform:uppercase;margin-bottom:5px;font-size:.62rem;font-weight:800}.footer-links a{color:#d9d1e3;font-size:.78rem;text-decoration:none}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid var(--line);color:#70677b;grid-column:1/-1;margin:30px 0 0;padding-top:20px;font-size:.68rem}.legal-main{min-height:100vh;padding:135px 18px 40px;overflow:hidden}.legal-wrap{max-width:900px}.legal-back{color:var(--muted);align-items:center;gap:8px;margin-bottom:36px;font-size:.78rem;font-weight:700;text-decoration:none;display:inline-flex}.legal-back:hover{color:#fff}.legal-hero{border-bottom:1px solid var(--line);margin-bottom:34px;padding-bottom:34px}.legal-hero h1{margin:0 0 16px;font-size:clamp(3rem,8vw,6rem);line-height:.92}.legal-hero p{color:var(--muted);max-width:670px;margin:0;line-height:1.7}.legal-stack{gap:14px;display:grid}.legal-card{border:1px solid var(--line);background:#1b0c2bbf;border-radius:22px;padding:clamp(22px,4vw,34px)}.legal-card h2{color:var(--gold);font-family:var(--font-display), sans-serif;letter-spacing:-.03em;margin:0 0 10px;font-size:1.45rem}.legal-card p,.legal-card li,.legal-card summary{color:#c5bacf;font-size:.9rem;line-height:1.75}.legal-card p:last-child{margin-bottom:0}.legal-card strong,.legal-card summary{color:#fff}.legal-card a{color:#d395ff}.legal-card details+details{border-top:1px solid var(--line);margin-top:16px;padding-top:16px}.legal-card summary{cursor:pointer;font-weight:800}.support-email{margin-top:18px}.legal-foot{color:#746b7e;text-align:center;padding:35px 0 0;font-size:.7rem}@media (width<=960px){.site-header{grid-template-columns:1fr auto}.site-header nav{display:none}.hero{grid-template-columns:1fr;padding-top:150px}.hero-copy{max-width:780px}.hero-stage{justify-self:center;width:100%;max-width:610px}.promise-section{grid-template-columns:1fr}.promise-intro{position:static}footer{grid-template-columns:1fr}}@media (width<=700px){.site-header{width:calc(100% - 20px);top:10px}.brand-lockup{font-size:.95rem}.brand-lockup img,.brand-lockup picture{width:36px;height:36px}.header-cta{padding:10px 13px}.hero{min-height:0;padding:125px 18px 58px}.hero h1{font-size:clamp(3.75rem,18vw,5.4rem)}.hero-lead{line-height:1.7}.quick-facts li{padding:0 16px}.hero-stage{min-height:0}.game-token{border-radius:13px;width:52px;height:52px;font-size:1rem}.games-section{padding-top:68px;padding-bottom:78px}.section-heading{grid-template-columns:1fr;align-items:start;gap:20px}.game-grid{grid-template-columns:1fr}.game-art{aspect-ratio:4/3}.promise-section{border-radius:26px}.closing-banner{grid-template-columns:auto 1fr;padding:20px}.closing-banner .button{grid-column:1/-1;width:100%}.closing-banner>img,.closing-banner>picture{width:82px;height:82px}.footer-links{grid-template-columns:1fr 1fr}.footer-links div:last-child{grid-column:1/-1}}@media (width<=420px){.header-cta{font-size:.7rem}.hero-actions .button{width:100%}.quick-facts{justify-content:space-between}.quick-facts li{padding:0 11px}.game-copy{padding-left:8px;padding-right:8px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}.rl-page{background:radial-gradient(circle at 12% 8%,#ffc4471f,#0000 28rem),radial-gradient(circle at 88% 18%,#9b4dff33,#0000 34rem),#090510}.rl-shell,.rl-hub{width:min(1080px,100% - 36px);margin:auto;padding:145px 0 110px}.rl-hub>h1,.rl-intro h1{font-family:var(--font-display);letter-spacing:-.055em;margin:14px 0 24px;line-height:.94}.rl-hub>h1{max-width:900px;font-size:clamp(54px,9vw,104px)}.rl-intro{max-width:900px;margin-bottom:35px}.rl-intro h1{font-size:clamp(44px,7vw,82px)}.rl-intro>p:last-child{color:#d8cbe2;max-width:780px;font-size:clamp(18px,2.2vw,24px);line-height:1.55}.rl-hub section,.rl-shell>section{margin-top:74px}.rl-category-nav{flex-wrap:wrap;gap:10px;margin:40px 0 80px;display:flex}.rl-category-nav a{color:#ddcdea;border:1px solid #4c3560;border-radius:999px;padding:10px 15px;font-size:13px;font-weight:800;text-decoration:none}.rl-section-head h2,.rl-shell h2,.rl-tool-head h2{font-family:var(--font-display);letter-spacing:-.04em;margin:0;font-size:clamp(30px,4vw,48px)}.rl-card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:24px;display:grid}.rl-card{color:#fff;background:linear-gradient(145deg,#1c0d2e,#11071d);border:1px solid #432b56;border-radius:24px;flex-direction:column;min-height:280px;padding:24px;text-decoration:none;transition:transform .2s,border-color .2s;display:flex}.rl-card:hover{border-color:#ffc447;transform:translateY(-4px)}.rl-card>span{color:#ffc447;letter-spacing:.05em;font-size:12px;font-weight:800}.rl-card h3{font-family:var(--font-display);letter-spacing:-.03em;margin:26px 0 12px;font-size:25px}.rl-card p{color:#bdb0ca;margin:0;font-size:14px;line-height:1.65}.rl-card strong{color:#ffc447;margin-top:auto;padding-top:22px;font-size:13px}.rl-hub-cta,.rl-master{background:linear-gradient(125deg,#56209a,#932bc3 55%,#ca4a9d);border-radius:28px;padding:clamp(28px,5vw,58px)}.rl-calculator{background:linear-gradient(145deg,#211036,#130820);border:1px solid #624178;border-radius:30px;padding:clamp(22px,4vw,42px);box-shadow:0 28px 80px #00000052;margin-top:36px!important}.rl-fields{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:26px;display:grid}.rl-fields label{gap:8px;display:grid}.rl-fields label>span{color:#d4c7df;font-size:13px;font-weight:800}.rl-fields small{color:#9b8aa9;margin-left:7px}.rl-fields input{appearance:textfield;color:#fff;font:700 18px var(--font-body);background:#0c0513;border:1px solid #55386a;border-radius:14px;width:100%;min-height:52px;padding:0 14px}.rl-fields input:focus{border-color:#ffc447;outline:3px solid #ffc44733}.rl-result{background:linear-gradient(120deg,#ffc44721,#9b4dff1f);border:1px solid #ffc4476b;border-radius:22px;gap:10px;margin-top:25px;padding:24px;display:grid}.rl-result>span{color:#ffc447;letter-spacing:.12em;text-transform:uppercase;font-size:12px;font-weight:900}.rl-result>strong{font-family:var(--font-display);letter-spacing:-.04em;font-size:clamp(28px,5vw,52px)}.rl-result code{color:#fff2c9;overflow-wrap:anywhere;background:#09050e;border-radius:10px;padding:13px;font-size:16px;line-height:1.6}.rl-result p{color:#cabdd4;margin:0}.rl-error{border-color:#ff6d8b}.rl-explain>p:not(.eyebrow),.rl-assumptions li,.rl-learn p,.rl-master p{color:#d8cbe2;font-size:18px;line-height:1.75}.rl-learn{grid-template-columns:1fr 1fr;align-items:start;gap:30px;display:grid}.rl-learn .practice-frame{margin-top:0}.rl-related{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.rl-related a{background:#170a25;border:1px solid #442d55;border-radius:18px;gap:7px;padding:20px;text-decoration:none;display:grid}.rl-related strong{color:#ffc447}.rl-related span{color:#b7a9c3;font-size:14px;line-height:1.5}.rl-hub-cta p{color:#eadff2}.rl-page .worked-example{margin-top:28px}.rl-page .worked-example p{margin-bottom:0}@media (width<=800px){.rl-card-grid,.rl-fields{grid-template-columns:repeat(2,1fr)}.rl-learn{grid-template-columns:1fr}.rl-related{grid-template-columns:1fr 1fr}}@media (width<=520px){.rl-shell,.rl-hub{width:calc(100% - 24px);padding-top:115px}.rl-card-grid,.rl-fields,.rl-related{grid-template-columns:1fr}.rl-card{min-height:240px}.rl-result{padding:18px}.rl-result code{font-size:14px}.rl-calculator{border-radius:22px}.rl-page .practice-frame{height:590px}.rl-hub>h1{font-size:clamp(48px,16vw,72px)}}.chess-lesson{background:radial-gradient(circle at 12% 2%,#ffc4471f,#0000 28rem),radial-gradient(circle at 88% 12%,#7a36d645,#0000 38rem),#090510}.chess-lesson .learning-shell{padding-top:54px}.chess-hero{grid-template-columns:minmax(0,1fr) 250px;align-items:center;gap:clamp(28px,6vw,72px);margin-bottom:76px;display:grid}.chess-hero h1{font-family:var(--font-display);letter-spacing:-.055em;max-width:760px;margin:15px 0 25px;font-size:clamp(48px,8vw,88px);line-height:.94}.chess-hero .answer-first{margin:0 0 28px}.chess-hero-mark{aspect-ratio:1;text-align:center;background:linear-gradient(145deg,#ffc44721,#7226b733);border:1px solid #ffc44759;border-radius:38px;place-content:center;display:grid;transform:rotate(3deg);box-shadow:0 32px 90px #00000059}.chess-hero-mark span{color:#ffc447;text-shadow:0 14px 34px #ffc4472e;font-size:112px;line-height:.9}.chess-hero-mark small{color:#cdbed8;letter-spacing:.08em;text-transform:uppercase;margin-top:18px;font-size:12px;font-weight:800;line-height:1.5}.section-kicker{letter-spacing:.13em;text-transform:uppercase;margin:0 0 12px;font-weight:900;color:#ffc447!important;font-size:12px!important;line-height:1.2!important}.lesson-card{background:linear-gradient(145deg,#1e0e30f5,#10071bf5);border:1px solid #452e58;border-radius:28px;padding:clamp(24px,4vw,42px);box-shadow:0 24px 65px #0000002e}.lesson-card-wide{margin-top:0!important}.lesson-card h2{margin-top:0}.lesson-card .worked-example{background:linear-gradient(125deg,#ffc4471a,#9b4dff1f);border-color:#ffc44752;margin-top:30px}.chess-learning-columns{margin-top:24px}.chess-learning-columns section{margin-top:0!important}.method-list{gap:14px;padding:0;list-style:none;display:grid}.method-list li{grid-template-columns:34px 1fr;align-items:flex-start;gap:13px;display:grid}.method-list li span{color:#180d20;background:#ffc447;border-radius:10px;justify-content:center;align-items:center;width:32px;height:32px;font-size:13px;font-weight:950;display:flex}.mistake-card{background:linear-gradient(145deg,#300d25c7,#15081df5)!important;border-color:#ff6e8b4d!important}.mistake-card ul{gap:14px;padding-left:22px;display:grid}.mistake-card li::marker{color:#ff7895}.practice-banner{background:linear-gradient(125deg,#512096,#842db4 55%,#bd407f);border-radius:30px;grid-template-columns:1fr auto;align-items:center;gap:30px;padding:clamp(28px,5vw,52px);display:grid}.practice-banner h2{margin-top:0}.practice-banner p:not(.section-kicker){color:#f0e6f6;margin-bottom:0}.practice-banner .button{white-space:nowrap}.lesson-link-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:22px;display:grid}.lesson-link-grid a{background:#160a23;border:1px solid #442d55;border-radius:20px;gap:8px;padding:22px;text-decoration:none;transition:transform .2s,border-color .2s;display:grid}.lesson-link-grid a:hover{border-color:#ffc447;transform:translateY(-3px)}.lesson-link-grid span{color:#a997b7;letter-spacing:.1em;text-transform:uppercase;font-size:11px;font-weight:850}.lesson-link-grid strong{color:#f8f2ff;font-size:18px;line-height:1.35}.lesson-link-grid b{color:#ffc447;font-size:20px}.chess-lesson .faq-list{gap:12px;margin-top:22px;display:grid}.chess-lesson .faq-list details{border:1px solid #453057;border-radius:18px;padding:0 20px}.chess-lesson .faq-list summary{cursor:pointer;padding:20px 0;font-size:17px;font-weight:850}.chess-lesson .faq-list details p{border-top:1px solid #382646;margin:0;padding:18px 0 22px}.daily-game-status{background:linear-gradient(120deg,#ffc44721,#9b4dff26);border:1px solid #ffc44766;border-radius:18px;grid-template-columns:auto auto;align-items:center;gap:5px 18px;max-width:560px;margin:24px 0;padding:15px 20px;display:grid}.daily-game-status strong{color:#ffc447}.daily-game-status span{justify-self:end}.daily-game-status small{color:#aa9ab8;grid-column:1/-1}.daily-game-copy .hero-lead{margin-bottom:0}@media (width<=760px){.chess-hero{grid-template-columns:1fr;margin-bottom:48px}.chess-hero-mark{display:none}.practice-banner{grid-template-columns:1fr}.practice-banner .button{justify-self:start}.lesson-link-grid{grid-template-columns:1fr}.chess-lesson .learning-shell{padding-top:34px}}@media (width<=520px){.daily-game-status{grid-template-columns:1fr}.daily-game-status span{justify-self:start}.daily-game-status small{grid-column:auto}}.platform-home .site-header{min-height:64px;padding:7px 10px 7px 12px}.platform-home .brand-lockup img,.platform-home .brand-lockup picture{width:34px;height:34px}.platform-home .brand-lockup{gap:9px;font-size:1rem}.platform-home .site-header nav{gap:26px}.platform-home .header-cta{padding:10px 16px}.platform-home .hero{grid-template-columns:minmax(0,1fr) 250px;gap:clamp(30px,5vw,70px);min-height:0;padding:112px 18px 28px}.platform-home .hero-copy{max-width:760px}.platform-home .hero .eyebrow{margin-bottom:14px}.platform-home .hero h1{max-width:760px;font-size:clamp(3.5rem,6vw,4.5rem);line-height:.92}.platform-home .hero h1 span{font-size:1em;display:inline}.platform-home .hero-lead{color:#f1e8f8;margin-top:19px;font-size:clamp(1.18rem,2vw,1.45rem);line-height:1.45}.platform-home .hero-note{color:var(--muted);margin:7px 0 0;font-size:.9rem}.platform-home .hero-actions{margin-top:22px}.platform-home .hero-stage{aspect-ratio:1;border-radius:34px;justify-self:end;width:230px;min-height:0;max-height:none}.platform-home .mascot-glow{width:72%;bottom:9%}.platform-home .game-token{border-radius:11px;width:38px;height:38px;font-size:.78rem}.platform-home .stage-note{padding:7px 10px;font-size:.55rem;bottom:5%}.platform-home .token-cards{top:18%;left:7%}.platform-home .token-math{top:10%;right:7%}.platform-home .token-numbers{top:47%;right:7%}.platform-home .token-chess{bottom:13%;left:7%}.launch-section{max-width:1240px;margin:0 auto;padding:22px 18px 50px;scroll-margin-top:92px}.launch-heading{justify-content:space-between;align-items:end;margin-bottom:17px;display:flex}.launch-heading .eyebrow{margin:0}.launch-heading h2{font-family:var(--font-display),sans-serif;letter-spacing:-.04em;margin:0;font-size:clamp(1.75rem,3vw,2.35rem)}.launch-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.launch-card{color:#fff;background:linear-gradient(145deg,#231037f7,#10071cfa);border:1px solid #ffffff21;border-radius:22px;grid-template-columns:auto 1fr;gap:13px;min-height:224px;padding:22px;text-decoration:none;transition:border-color .18s,box-shadow .18s,transform .18s;display:grid;position:relative}.launch-card:before{background:var(--launch-accent);content:"";height:3px;position:absolute;inset:0 22px auto}.launch-card:hover{border-color:var(--launch-accent);transform:translateY(-4px);box-shadow:0 22px 55px #00000047}.launch-card:focus-visible{outline:3px solid var(--gold);outline-offset:4px}.launch-math{--launch-accent:#ff4fd8}.launch-chess{--launch-accent:#a9f438}.launch-daily{--launch-accent:#ffc447;scroll-margin-top:92px}.launch-icon{background:var(--launch-accent);align-items:center}@supports (color:color-mix(in lab, red, red)){.launch-icon{background:color-mix(in srgb,var(--launch-accent) 20%,#160921)}}.launch-icon{border:1px solid var(--launch-accent)}@supports (color:color-mix(in lab, red, red)){.launch-icon{border:1px solid color-mix(in srgb,var(--launch-accent) 58%,transparent)}}.launch-icon{color:var(--launch-accent);font-family:var(--font-display),sans-serif;border-radius:14px;justify-content:center;width:46px;height:46px;font-size:1.45rem;display:flex}.launch-card>div{min-width:0}.launch-card p{color:var(--launch-accent);letter-spacing:.11em;text-transform:uppercase;margin:3px 0 8px;font-size:.68rem;font-weight:900}.launch-card h3{font-family:var(--font-display),sans-serif;letter-spacing:-.035em;margin:0 0 9px;font-size:clamp(1.25rem,2vw,1.65rem);line-height:1.04}.launch-card div>span{color:#bfb2ca;font-size:.83rem;line-height:1.5}.launch-card>small{color:#a99ab7;grid-column:1/-1;font-size:.72rem}.launch-card>strong{color:var(--launch-accent);letter-spacing:.07em;text-transform:uppercase;grid-column:1/-1;align-self:end;font-size:.76rem}.platform-home .games-section{padding-top:62px}.platform-home .games-section>.email-signup{margin-top:34px;margin-left:auto;margin-right:auto}@media (width<=960px){.platform-home .hero{grid-template-columns:minmax(0,1fr) 190px;padding-top:108px}.platform-home .hero-stage{width:190px;display:block}.launch-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.launch-daily{grid-column:1/-1;min-height:190px}}@media (width<=700px){.platform-home .site-header{min-height:58px;top:10px}.platform-home .brand-lockup img,.platform-home .brand-lockup picture{width:32px;height:32px}.platform-home .hero{padding:94px 14px 24px;display:block}.platform-home .hero h1{font-size:clamp(2.75rem,13vw,3.8rem);line-height:.94}.platform-home .hero-stage{display:none}.platform-home .hero-lead{margin-top:16px;font-size:1.1rem}.platform-home .hero-actions{grid-template-columns:1fr 1fr;align-items:stretch;gap:9px;margin-top:20px;display:grid}.platform-home .hero-actions .button{width:auto;min-height:48px;padding:0 12px;font-size:.76rem}.launch-section{padding:20px 12px 38px}.launch-heading{align-items:start;gap:7px;display:grid}.launch-heading h2{font-size:1.8rem}.launch-grid{grid-template-columns:1fr}.launch-card,.launch-daily{grid-column:auto;min-height:185px;padding:20px}.platform-home .games-section{padding-top:50px}}@media (width<=400px){.platform-home .brand-lockup span{font-size:.85rem}.platform-home .header-cta{padding:9px 11px;font-size:.66rem}.platform-home .hero-actions{grid-template-columns:1fr}}.public-header{gap:18px}.public-header .desktop-nav{gap:clamp(12px,1.55vw,25px)}.public-header .desktop-nav a{white-space:nowrap;font-size:.72rem}.mobile-menu{display:none;position:relative}.mobile-menu summary{border:1px solid var(--line);color:#fff;cursor:pointer;background:#21102f;border-radius:13px;align-items:center;gap:8px;padding:10px 12px;font-size:.75rem;font-weight:850;list-style:none;display:flex}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu nav{background:#160a25;border:1px solid #49345a;border-radius:18px;min-width:210px;padding:8px;display:grid;position:absolute;top:48px;right:0;box-shadow:0 20px 50px #0009;gap:0!important}.mobile-menu nav a{border-radius:11px;padding:12px}.mobile-menu nav a:hover{background:#2a1540}.ecosystem-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.ecosystem-card{background:#140820;border:1px solid #3d2a4e;border-radius:28px;overflow:hidden;box-shadow:0 25px 75px #0005}.ecosystem-card>img{aspect-ratio:3/2;object-fit:cover;width:100%;height:auto;display:block}.ecosystem-card>div{padding:clamp(22px,3vw,34px)}.ecosystem-card p{color:var(--eco);letter-spacing:.1em;text-transform:uppercase;margin:0 0 10px;font-size:.72rem;font-weight:900}.ecosystem-card h3{font-family:var(--font-display);letter-spacing:-.045em;margin:0 0 13px;font-size:clamp(1.65rem,3vw,2.45rem);line-height:1.02}.ecosystem-card div>span{color:#c2b5cc;line-height:1.65}.ecosystem-card ul{flex-wrap:wrap;gap:8px;margin:18px 0 24px;padding:0;list-style:none;display:flex}.ecosystem-card li{background:var(--eco)}@supports (color:color-mix(in lab, red, red)){.ecosystem-card li{background:color-mix(in srgb,var(--eco) 12%,transparent)}}.ecosystem-card li{border:1px solid var(--eco)}@supports (color:color-mix(in lab, red, red)){.ecosystem-card li{border:1px solid color-mix(in srgb,var(--eco) 40%,transparent)}}.ecosystem-card li{color:#eee6f5;border-radius:999px;padding:7px 10px;font-size:.72rem;font-weight:800}.ecosystem-math{--eco:#ff4fd8}.ecosystem-chess{--eco:#a9f438}.ecosystem-actions{flex-wrap:wrap;gap:10px;display:flex}.ecosystem-actions .button{min-height:46px;padding:0 16px;font-size:.74rem}.daily-feature-row{grid-template-columns:1fr;margin-top:18px}.daily-feature-row .launch-daily{min-height:150px}.real-life-teaser{background:linear-gradient(125deg,#29103f,#11263d);border:1px solid #4d3760;border-radius:32px;grid-template-columns:minmax(0,1fr) minmax(320px,.8fr);align-items:center;gap:clamp(28px,5vw,70px);max-width:1204px;margin:35px auto 0;padding:clamp(28px,5vw,56px);display:grid}.real-life-teaser h2{font-family:var(--font-display);letter-spacing:-.05em;margin:10px 0 16px;font-size:clamp(2rem,4vw,3.6rem);line-height:1}.real-life-teaser>div>p:not(.eyebrow){color:#c1b5ca;margin-bottom:24px;line-height:1.65}.real-life-mini-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.real-life-mini-grid a{color:#f7f0fb;background:#11081c;border:1px solid #49345b;border-radius:17px;justify-content:space-between;align-items:center;padding:20px;font-weight:850;text-decoration:none;display:flex}.real-life-mini-grid b{color:#ffc447;font-size:1.15rem}.portal-choices{max-width:1200px;margin:20px auto 80px;padding:0 18px}.portal-choices>h2{font-family:var(--font-display);margin:10px 0 25px;font-size:clamp(2rem,4vw,3.4rem)}.portal-choices>div{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;display:grid}.portal-choices a{background:#170a25;border:1px solid #443153;border-radius:22px;gap:10px;min-height:170px;padding:24px;text-decoration:none;display:grid}.portal-choices a:hover{border-color:var(--page-accent);transform:translateY(-3px)}.portal-choices strong{color:#fff;font-family:var(--font-display);font-size:1.22rem}.portal-choices span{color:#b9aec4;font-size:.85rem;line-height:1.55}.chess-puzzle-feature{border-color:#a9f438!important}.puzzle-hero{grid-template-columns:minmax(0,1fr) minmax(330px,.72fr);align-items:center;gap:clamp(35px,7vw,90px);display:grid}.puzzle-board{aspect-ratio:1;border:10px solid #24142e;border-radius:20px;grid-template-columns:repeat(8,1fr);display:grid;overflow:hidden;box-shadow:0 30px 80px #0008}.puzzle-board span{justify-content:center;align-items:center;font-size:clamp(1.35rem,3vw,2.6rem);display:flex}.puzzle-board span:nth-child(16n+1),.puzzle-board span:nth-child(16n+3),.puzzle-board span:nth-child(16n+5),.puzzle-board span:nth-child(16n+7),.puzzle-board span:nth-child(16n+10),.puzzle-board span:nth-child(16n+12),.puzzle-board span:nth-child(16n+14),.puzzle-board span:nth-child(16n+16){color:#211228;background:#e6d8b8}.puzzle-board span{color:#fff;background:#7a438c}.puzzle-options{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px!important;margin-top:65px!important;display:grid!important}.puzzle-options article{background:#160a24;border:1px solid #453057;border-radius:24px;padding:28px}.puzzle-options b,.puzzle-options a{color:#ffc447}.puzzle-options h2{margin:10px 0}.puzzle-options p{color:#baadca;line-height:1.6}.puzzle-options a{font-weight:850;text-decoration:none}@media (width<=1100px){.public-header .desktop-nav{display:none}.mobile-menu{display:block}.public-header .header-cta{margin-left:auto}.portal-choices>div{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=760px){.public-header .header-cta{display:none}.public-header .mobile-menu{margin-left:auto}.ecosystem-grid,.real-life-teaser,.puzzle-hero{grid-template-columns:1fr}.real-life-teaser{border-radius:24px;margin-left:12px;margin-right:12px}.puzzle-board{width:100%;max-width:440px;margin:auto}.puzzle-options,.portal-choices>div{grid-template-columns:1fr}.ecosystem-actions{display:grid}.ecosystem-actions .button{width:auto}.puzzle-hub .learning-shell{padding-top:42px}}@media (width<=430px){.public-header .brand-lockup span{font-size:.84rem}.mobile-menu summary span{display:none}.real-life-mini-grid{grid-template-columns:1fr}.ecosystem-card>div{padding:20px}.puzzle-board{border-width:6px}.puzzle-board span{font-size:1.25rem}}:root{--site-gutter:clamp(16px,3vw,64px);--site-canvas:1800px;--home-canvas:3200px}html,body,.platform-home,.landing-page,.learning-page{width:100%;max-width:none;margin:0}img{max-width:100%;height:auto}.site-header,.hero,.games-section,.promise-section,.closing-banner,.launch-section,.landing-hero,.feature-grid,.learning-directory,.real-life-teaser,.portal-choices{max-width:var(--site-canvas);width:calc(100% - (2 * var(--site-gutter)))}.platform-home .hero{grid-template-columns:minmax(0,1.25fr) minmax(250px,.48fr);padding-left:0;padding-right:0}.platform-home .hero-stage{width:min(100%,410px)}.launch-section,.games-section,.promise-section,.landing-hero,.feature-grid,.learning-directory,.portal-choices{padding-left:0;padding-right:0}.game-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,390px),1fr))}.ecosystem-grid{gap:clamp(18px,2vw,34px)}.real-life-teaser{grid-template-columns:minmax(0,1.15fr) minmax(420px,.85fr)}.learning-shell,.rl-shell,.rl-hub{max-width:var(--site-canvas);width:calc(100% - (2 * var(--site-gutter)))}.learning-shell>p,.learning-shell>section>p,.rl-intro>p,.rl-explain>p,.rl-assumptions,.rl-master>p{max-width:75ch}@media (width<=960px){.platform-home .hero{grid-template-columns:minmax(0,1fr) 220px}.real-life-teaser{grid-template-columns:1fr}.site-header,.hero,.games-section,.promise-section,.closing-banner,.launch-section,.landing-hero,.feature-grid,.learning-directory,.real-life-teaser,.portal-choices,.learning-shell,.rl-shell,.rl-hub{width:calc(100% - 2*clamp(14px,3vw,28px))}}@media (width<=700px){.platform-home .hero{display:block}.site-header{width:calc(100% - 20px)}}:root{--content-max:1800px;--reading-max:1180px}.platform-home .hero{min-height:380px;max-height:460px;padding-top:96px;padding-bottom:24px}.platform-home .hero-stage{max-width:340px}.launch-section{max-width:var(--content-max)}.ecosystem-card{grid-template-columns:minmax(0,44%) minmax(0,56%);min-height:350px;display:grid}.ecosystem-art{height:100%;min-height:350px;overflow:hidden}.ecosystem-art img{object-fit:cover;width:100%;height:100%}.ecosystem-card>div:not(.ecosystem-art){align-self:center;padding:clamp(24px,2.4vw,38px)}.ecosystem-card h3{font-size:clamp(1.55rem,2.2vw,2.15rem)}.ecosystem-card div>span{font-size:.94rem}.ecosystem-card ul{margin:16px 0 22px}.real-life-feature{max-width:var(--content-max);width:calc(100% - (2 * var(--site-gutter)));background:radial-gradient(circle at 95% 0,#3fbfff24,#0000 32%),linear-gradient(135deg,#211031,#0f182b);border:1px solid #493659;border-radius:32px;margin:34px auto 0;padding:clamp(34px,5vw,68px) clamp(20px,4vw,54px)}.real-life-feature-head{justify-content:space-between;align-items:end;gap:30px;display:flex}.real-life-feature-head>div{max-width:820px}.real-life-feature h2{font-family:var(--font-display);letter-spacing:-.055em;margin:10px 0 15px;font-size:clamp(2.3rem,4.2vw,4.1rem);line-height:.95}.real-life-feature-head p:not(.eyebrow){color:#cabfd2;font-size:clamp(1rem,1.6vw,1.15rem);line-height:1.65}.real-life-feature-head>.button{flex:none}.real-life-tool-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:36px;display:grid}.home-tool-card{color:#fff;background:linear-gradient(145deg,#180b27,#0d0917);border:1px solid #443252;border-radius:20px;flex-direction:column;min-height:218px;padding:22px;text-decoration:none;transition:transform .18s,border-color .18s,box-shadow .18s;display:flex}.home-tool-card:hover{border-color:#ffc447;transform:translateY(-2px);box-shadow:0 18px 42px #0005,0 0 24px #9b4dff18}.home-tool-card>span{color:#ffc447;letter-spacing:.11em;text-transform:uppercase;font-size:.68rem;font-weight:900}.home-tool-card p{color:#f8f2fb;margin:17px 0 5px;font-size:1rem;font-weight:800}.home-tool-card h3{font-family:var(--font-display);margin:0;font-size:1.3rem}.home-tool-card b{color:#d9cce6;font-family:var(--font-body);background:#271438;border-radius:10px;margin:18px 0 13px;padding:9px 11px;font-size:.75rem}.home-tool-card strong{color:#ffc447;margin-top:auto;font-size:.76rem}.home-tool-card:hover strong{transform:translate(2px)}.real-life-flow{background:#0c0713;border:1px solid #3d2d49;border-radius:20px;grid-template-columns:repeat(4,1fr);align-items:center;margin-top:18px;padding:16px;display:grid}.real-life-flow>div{justify-content:center;align-items:center;gap:10px;display:flex;position:relative}.real-life-flow b{color:#ffc447;background:#322044;border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;font-size:.68rem;display:flex}.real-life-flow span{text-transform:uppercase;font-size:.78rem;font-weight:850}.real-life-flow i{color:#79698a;font-style:normal;position:absolute;right:-5px}.rl-hub{max-width:var(--content-max);padding-top:118px}.rl-hub>section{margin-top:0}.rl-hero{grid-template-columns:minmax(0,1fr) minmax(330px,.7fr);align-items:center;gap:clamp(40px,7vw,100px);padding:54px 0 42px;display:grid}.rl-hero h1{font-family:var(--font-display);letter-spacing:-.06em;margin:15px 0 22px;font-size:clamp(3.2rem,6vw,6rem);line-height:.91}.rl-hero .answer-first{max-width:700px}.rl-life-visual{perspective:900px;gap:12px;display:grid}.rl-life-visual>div{background:linear-gradient(135deg,#251238,#12091d);border:1px solid #513566;border-radius:18px;padding:19px 22px;box-shadow:0 20px 50px #0005}.rl-life-visual>div:nth-child(2){transform:translate(-24px)}.rl-life-visual small{color:#ffc447;letter-spacing:.13em;margin-bottom:8px;font-size:.62rem;font-weight:900;display:block}.rl-life-visual b{font-family:var(--font-display);justify-content:space-between;gap:12px;font-size:clamp(1.3rem,2.5vw,2rem);display:flex}.rl-life-visual i{color:#ff4fd8;font-style:normal}.rl-search-panel{background:linear-gradient(135deg,#231136,#13091f);border:1px solid #573b6b;border-radius:24px;padding:22px clamp(20px,4vw,36px);scroll-margin-top:105px}.rl-search-panel label{font-family:var(--font-display);margin-bottom:12px;font-size:1.35rem;display:block}.rl-search-panel>div{background:#09050f;border:1px solid #49335a;border-radius:15px;align-items:center;gap:12px;padding:0 16px;display:flex}.rl-search-panel svg{fill:none;stroke:#a891bb;stroke-linecap:round;stroke-width:2px;width:22px;height:22px}.rl-search-panel input{color:#fff;font:700 1rem var(--font-body);background:0 0;border:0;outline:0;width:100%;height:58px}.rl-search-panel:focus-within{border-color:#ffc447;box-shadow:0 0 0 3px #ffc44720}.rl-category-nav{scrollbar-width:thin;flex-wrap:nowrap;margin:18px 0 6px;padding:3px 0 9px;display:flex;overflow-x:auto}.rl-category-nav button{color:#d9ccdf;cursor:pointer;font:800 .76rem var(--font-body);background:#150a22;border:1px solid #49335a;border-radius:999px;flex:none;align-items:center;gap:8px;padding:10px 14px;display:flex}.rl-category-nav button svg{width:16px;height:16px}.rl-category-nav button.active,.rl-category-nav button:hover{color:#fff;background:#332044;border-color:#ffc447}.rl-result-count{color:#9d8dac;margin-bottom:46px;font-size:.78rem}.rl-category-section{--rl-accent:#ffc447;scroll-margin-top:110px}.rl-category-section.rl-accent-pan{--rl-accent:#ff9447}.rl-category-section.rl-accent-car{--rl-accent:#5ab5ff}.rl-category-section.rl-accent-home{--rl-accent:#53dce8}.rl-category-section.rl-accent-case{--rl-accent:#b070ff}.rl-category-section.rl-accent-run{--rl-accent:#9be44d}.rl-category-section.rl-accent-shape{--rl-accent:#ff5cc8}.rl-category-section.rl-accent-chart{--rl-accent:#85d6ff}.rl-section-head{align-items:center;gap:18px;margin-bottom:22px;display:flex}.rl-category-icon,.rl-tool-icon{background:var(--rl-accent);align-items:center}@supports (color:color-mix(in lab, red, red)){.rl-category-icon,.rl-tool-icon{background:color-mix(in srgb,var(--rl-accent) 13%,#170a22)}}.rl-category-icon,.rl-tool-icon{border:1px solid var(--rl-accent)}@supports (color:color-mix(in lab, red, red)){.rl-category-icon,.rl-tool-icon{border:1px solid color-mix(in srgb,var(--rl-accent) 45%,transparent)}}.rl-category-icon,.rl-tool-icon{color:var(--rl-accent);border-radius:16px;flex:none;justify-content:center;width:52px;height:52px;display:flex}.rl-category-icon svg,.rl-tool-icon svg{width:25px;height:25px}.rl-section-head p{color:var(--rl-accent);letter-spacing:.12em;text-transform:uppercase;margin:0 0 4px;font-size:.68rem;font-weight:900}.rl-section-head h2{font-size:clamp(2rem,3vw,2.7rem)}.rl-section-head>div>span{color:#a99ab6;font-size:.9rem}.rl-card-grid{gap:18px}.rl-card{border-top:3px solid var(--rl-accent);min-height:320px;padding:24px}.rl-card:hover{border-color:var(--rl-accent);box-shadow:0 18px 48px #0006,0 0 24px var(--rl-accent)}@supports (color:color-mix(in lab, red, red)){.rl-card:hover{box-shadow:0 18px 48px #0006,0 0 24px color-mix(in srgb,var(--rl-accent) 12%,transparent)}}.rl-card:hover{transform:translateY(-2px)}.rl-card-top{align-items:center;gap:12px;display:flex}.rl-tool-icon{border-radius:12px;width:40px;height:40px}.rl-tool-icon svg{width:20px;height:20px}.rl-card-top small{color:var(--rl-accent);letter-spacing:.1em;text-transform:uppercase;font-size:.65rem;font-weight:900}.rl-card .rl-question{color:#fff;margin:22px 0 5px;font-size:1rem;font-weight:850;line-height:1.4}.rl-card h3{margin:0 0 12px;font-size:1.35rem}.rl-card>p:not(.rl-question){font-size:.82rem}.rl-card strong{color:var(--rl-accent)}.rl-card strong span{transition:transform .18s;display:inline-block}.rl-card:hover strong span{transform:translate(3px)}.rl-micro-diagram{background:#0c0612;border:1px solid #3a2945;border-radius:10px;margin-top:16px;padding:9px 10px;color:#d7c9df!important;font:800 .72rem var(--font-body)!important;letter-spacing:0!important}.rl-empty{text-align:center;background:#170b24;border:1px solid #49345a;border-radius:24px;padding:38px}.rl-empty button{cursor:pointer;background:#ffc447;border:0;border-radius:12px;padding:12px 16px;font-weight:900}.rl-difference{background:linear-gradient(125deg,#2c1242,#15233b);border:1px solid #4d3760;border-radius:28px;padding:clamp(28px,5vw,58px);margin-top:86px!important}.rl-difference>h2{max-width:850px}.rl-difference>div{grid-template-columns:repeat(4,1fr);gap:12px;margin:28px 0;display:grid}.rl-difference article{background:#10081a;border:1px solid #49345a;border-radius:18px;padding:20px}.rl-difference article b{color:#ffc447}.rl-difference article h3{font-family:var(--font-display);margin:13px 0 5px;font-size:1.25rem}.rl-difference article p{color:#ae9dba;margin:0;font-size:.82rem;line-height:1.5}.puzzle-hub .learning-shell{max-width:var(--content-max)}.puzzle-hero{grid-template-columns:minmax(0,1fr) minmax(390px,510px);gap:clamp(40px,6vw,86px);min-height:620px}.puzzle-hero h1{font-family:var(--font-display);letter-spacing:-.06em;margin:13px 0;font-size:clamp(3.2rem,5.6vw,5.8rem);line-height:.92}.puzzle-prompt{color:#ffc447;font-family:var(--font-display);margin:0 0 17px;font-size:clamp(1.35rem,2.2vw,1.8rem)}.puzzle-badges{flex-wrap:wrap;gap:8px;margin-bottom:20px;display:flex}.puzzle-badges span{color:#d9cde1;background:#1c0e2b;border:1px solid #4a3559;border-radius:999px;padding:8px 11px;font-size:.7rem;font-weight:850}.puzzle-board-wrap{background:#160a22;border:1px solid #4b3459;border-radius:26px;padding:15px;box-shadow:0 35px 90px #0008}.puzzle-board-label{justify-content:space-between;align-items:center;padding:2px 2px 13px;display:flex}.puzzle-board-label span{color:#a9f438;letter-spacing:.12em;text-transform:uppercase;font-size:.67rem;font-weight:900}.puzzle-board-label b{font-size:.78rem}.puzzle-board{box-shadow:none;border:0;border-radius:14px;text-decoration:none}.puzzle-board-actions{grid-template-columns:repeat(3,1fr);gap:8px;padding-top:12px;display:grid}.puzzle-board-actions a{color:#ddd1e4;text-align:center;background:#241334;border:1px solid #4b355a;border-radius:10px;padding:10px;font-size:.72rem;font-weight:850;text-decoration:none}.puzzle-board-actions a:hover{color:#fff;border-color:#a9f438}.puzzle-controls{background:#160a23;border:1px solid #453057;border-radius:26px;grid-template-columns:1fr auto;align-items:end;padding:28px;gap:24px!important;margin-top:24px!important;display:grid!important}.puzzle-controls h2{margin:7px 0 0}.puzzle-controls>div:last-child{flex-wrap:wrap;gap:9px;display:flex}.puzzle-controls a{color:#fff;background:#251334;border:1px solid #553866;border-radius:12px;padding:12px 14px;font-size:.78rem;font-weight:850;text-decoration:none}.puzzle-controls a:hover{border-color:#a9f438}.tactics-section{margin-top:70px!important}.tactics-section>h2{margin:8px 0 25px}.tactics-section>div{grid-template-columns:repeat(4,1fr);gap:14px;display:grid}.tactics-section a{color:#fff;background:linear-gradient(145deg,#1a0c29,#100718);border:1px solid #443053;border-radius:22px;padding:24px;text-decoration:none;transition:all .18s}.tactics-section a:hover{border-color:#a9f438;transform:translateY(-2px)}.tactics-section a>b{color:#a9f438;background:#a9f43818;border:1px solid #a9f43855;border-radius:13px;justify-content:center;align-items:center;width:46px;height:46px;font-size:1.7rem;display:flex}.tactics-section h3{font-family:var(--font-display);margin:20px 0 7px;font-size:1.3rem}.tactics-section p{color:#ad9fba;font-size:.82rem;line-height:1.55}.tactics-section span{color:#a9f438;font-size:.76rem;font-weight:850}.platform-home .site-header,.platform-home .hero,.platform-home .launch-section,.platform-home .real-life-feature,.platform-home .games-section,.platform-home .promise-section,.platform-home .closing-banner,.platform-home footer{max-width:var(--home-canvas)}@media (width<=1100px){.ecosystem-card{grid-template-columns:1fr}.ecosystem-art{min-height:220px;max-height:260px}.ecosystem-card>div:not(.ecosystem-art){padding:24px}.real-life-tool-grid{grid-template-columns:repeat(2,1fr)}.rl-hero{grid-template-columns:1fr}.rl-life-visual{grid-template-columns:repeat(3,1fr)}.rl-life-visual>div:nth-child(2){transform:none}.rl-life-visual b{display:grid}.tactics-section>div{grid-template-columns:repeat(2,1fr)}}@media (width>=2300px){.real-life-tool-grid{grid-template-columns:repeat(6,minmax(0,1fr))}.platform-home .hero{grid-template-columns:minmax(0,1.35fr) minmax(300px,.42fr)}.platform-home .hero-stage{width:min(100%,460px)}}@media (width<=760px){.platform-home .hero{min-height:0;max-height:none}.real-life-feature{border-radius:24px;width:calc(100% - 24px)}.real-life-feature-head{align-items:start;display:grid}.real-life-tool-grid{grid-template-columns:1fr}.real-life-flow{grid-template-columns:1fr;padding:10px}.real-life-flow>div{justify-content:flex-start;padding:8px}.real-life-flow i{bottom:-8px;left:14px;right:auto;transform:rotate(90deg)}.rl-hub{padding-top:105px}.rl-hero{padding-top:35px}.rl-life-visual{grid-template-columns:1fr}.rl-result-count{margin-bottom:34px}.rl-difference>div{grid-template-columns:1fr 1fr}.puzzle-hero{grid-template-columns:1fr;min-height:0}.puzzle-controls{grid-template-columns:1fr;align-items:start}.puzzle-controls>div:last-child{grid-template-columns:1fr 1fr;display:grid}.tactics-section>div{grid-template-columns:1fr 1fr}}@media (width<=430px){.ecosystem-art{min-height:190px}.real-life-feature{padding:28px 16px}.home-tool-card{min-height:205px}.rl-hero h1,.puzzle-hero h1{font-size:clamp(2.8rem,14vw,4rem)}.rl-life-visual b{font-size:1.2rem}.rl-difference>div,.tactics-section>div{grid-template-columns:1fr}.puzzle-board-wrap{border-radius:18px;padding:9px}.puzzle-board-actions a{padding:9px 5px}.rl-card{min-height:290px}}.rl-card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}@media (width<=1100px){.rl-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=900px){.puzzle-hero{grid-template-columns:1fr;min-height:0}.puzzle-board-wrap{width:100%;max-width:520px;margin:auto}}@media (width<=760px){.rl-card-grid{grid-template-columns:1fr}}.puzzle-hero{grid-template-columns:minmax(0,1fr) minmax(420px,600px);gap:clamp(40px,6vw,110px)}@media (width<=900px){.puzzle-hero{grid-template-columns:1fr}}.real-life-flow b,.promise-list article>span,.closing-banner>div>p,.footer-links>div>span,.copyright{font-size:max(.75rem,12px)} .email-signup{background:#ffffff09;border:1px solid #ffffff1f;border-radius:18px;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;max-width:560px;margin:24px 0 0;padding:14px 18px;display:grid}.email-signup>span{font-size:1.35rem}.email-signup div{gap:3px;display:grid}.email-signup strong{font-size:.9rem}.email-signup small{color:#aa9ab8}.email-signup a{color:#ffc447;border:1px solid #ffc44773;border-radius:999px;padding:9px 14px;font-size:.78rem;font-weight:900;text-decoration:none}.email-signup a:hover,.email-signup a:focus{background:#ffc4471a}@media (width<=520px){.email-signup{grid-template-columns:auto 1fr}.email-signup a{text-align:center;grid-column:1/-1}}

Measure an ancient field

A field measures 12 by 8 cubits. Find its area in square cubits.

Your analytics choice