/* Web Game Memory — responsive, no external dependencies */
:root{color-scheme:light;--navy:#11294b;--blue:#1766eb;--blue2:#0d4dbe;--sky:#eaf3ff;--pale:#f6f9ff;--line:#dce7f7;--muted:#556983;--white:#fff;--shadow:0 20px 65px rgba(29,75,139,.085)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;min-width:280px;background:#fff;color:var(--navy);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--blue2)} a:hover{text-decoration-color:var(--blue)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #5fa1ff;outline-offset:4px}
button,a{-webkit-tap-highlight-color:transparent}
.container{width:min(1120px,calc(100% - 44px));margin-inline:auto}
.skip-link{position:fixed;top:8px;left:8px;z-index:1000;background:var(--navy);color:white;padding:10px 16px;border-radius:10px;transform:translateY(-170%)}.skip-link:focus{transform:translateY(0)}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.header-inner{min-height:77px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--navy);font-weight:800;letter-spacing:-.045em;text-decoration:none;white-space:nowrap;font-size:19px}
.brand-mark{height:38px;width:38px;display:grid;grid-template-columns:repeat(2,1fr);gap:4px;padding:8px;border-radius:12px;background:var(--blue);box-shadow:0 8px 16px rgba(23,102,235,.17);transform:rotate(-4deg)}.brand-mark i{display:block;background:white;border-radius:4px}.brand-mark i:nth-child(2){opacity:.7}.brand-mark i:nth-child(3){opacity:.5}
.site-nav{display:flex;align-items:center;gap:6px}.site-nav a{font-size:14px;font-weight:700;display:inline-flex;min-height:44px;align-items:center;padding:9px 14px;border-radius:11px;color:var(--muted);text-decoration:none;white-space:nowrap}.site-nav a:hover,.site-nav a[aria-current=page]{background:var(--sky);color:var(--blue2)}
.hero{overflow:hidden;position:relative;background:radial-gradient(ellipse at 85% 10%,#d9eaff 0%,transparent 49%),linear-gradient(125deg,#f8fbff 0%,#eef5ff 100%);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:60px;min-height:540px;padding-block:82px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue2);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.eyebrow .spark{font-size:19px;line-height:1}
h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.13;letter-spacing:-.05em}
h1{font-size:clamp(40px,5vw,68px);margin:22px 0 24px;font-weight:850}h1 em{font-style:normal;color:var(--blue)}.hero-copy{font-size:18px;max-width:550px;color:var(--muted);line-height:1.75;margin-bottom:28px}
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:14px}.btn{display:inline-flex;gap:11px;align-items:center;justify-content:center;text-decoration:none;min-height:52px;border-radius:13px;font-weight:800;font-size:15px;padding:13px 22px;transition:transform .15s,background .15s,box-shadow .15s}.btn:hover{transform:translateY(-2px);text-decoration:none}.btn-primary{background:var(--blue);color:#fff;box-shadow:0 9px 20px rgba(23,102,235,.19)}.btn-primary:hover{background:var(--blue2)}.btn-secondary{border:1px solid #c8d9ef;background:#fff;color:var(--navy)}.btn-secondary:hover{background:#f9fcff}
.hero-facts{display:flex;gap:23px;align-items:center;flex-wrap:wrap;margin-top:29px}.hero-facts span{font-size:13px;color:var(--muted);font-weight:650}.hero-facts span::before{content:'✓';color:var(--blue);font-weight:900;margin-right:7px}
.hero-art{position:relative;min-height:400px;display:grid;place-items:center}.hero-art:before{content:'';position:absolute;inset:0;max-width:450px;margin:auto;border:2px dashed #bdD7fb;border-radius:50%;transform:rotate(17deg) scale(.94)}
.demo-card{position:relative;z-index:2;width:min(410px,100%);padding:24px;background:#fff;border:1px solid #dbe8fb;border-radius:26px;box-shadow:0 30px 75px rgba(22,64,124,.17);transform:rotate(-3deg)}
.demo-top{display:flex;justify-content:space-between;align-items:center;font-weight:800;font-size:13px;color:var(--muted)}.demo-dots{display:flex;gap:5px}.demo-dots span{width:8px;height:8px;background:#c6dbfa;border-radius:50%}.demo-dots span:first-child{background:var(--blue)}.demo-heading{font-size:22px;font-weight:850;letter-spacing:-.04em;margin:28px 0 14px}.demo-sub{font-size:13px;color:var(--muted);margin:0 0 12px}
.demo-numbers{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:7px}.demo-numbers span{aspect-ratio:1;display:grid;place-items:center;border:1px solid #d2e2fb;border-radius:11px;background:#f5f9ff;font-size:clamp(17px,2.7vw,30px);color:var(--blue);font-weight:800}.demo-timer{margin-top:28px;height:7px;background:#e8f0ff;border-radius:20px;overflow:hidden}.demo-timer span{display:block;width:67%;height:100%;background:var(--blue);border-radius:20px}.demo-caption{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:9px}
.float-pill{position:absolute;z-index:3;background:#fff;box-shadow:0 16px 40px rgba(20,69,134,.13);border:1px solid #dae8fc;padding:10px 15px;border-radius:13px;font-size:12px;font-weight:800;color:var(--blue2)}.float-pill.one{top:4%;right:-3%;transform:rotate(8deg)}.float-pill.two{bottom:9%;left:-5%;transform:rotate(5deg)}
.section{padding-block:83px}.section-alt{background:var(--pale);border-block:1px solid var(--line)}.section-heading{margin-bottom:33px;display:flex;align-items:end;justify-content:space-between;gap:20px}.section-heading h2{font-size:clamp(30px,4vw,43px);margin:12px 0 0}.section-heading p{color:var(--muted);font-size:15px;max-width:440px;margin-bottom:2px}
.game-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.game-card{min-width:0;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#fff;box-shadow:0 12px 32px rgba(16,51,100,.045);display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}.game-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card-preview{height:200px;background:linear-gradient(160deg,#f0f6ff,#dceaff);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.card-preview::before{content:'';position:absolute;width:230px;height:230px;border:1px solid rgba(23,102,235,.14);border-radius:50%;top:-135px;right:-60px}.card-preview::after{content:'';position:absolute;width:150px;height:150px;border:1px solid rgba(23,102,235,.12);border-radius:50%;bottom:-98px;left:-64px}
.preview-digits{position:relative;z-index:1;display:flex;gap:7px;padding:0 13px;width:100%;justify-content:center}.preview-digits span{display:grid;place-items:center;background:white;border:1px solid #cadefc;border-radius:10px;width:calc((100% - 35px)/6);max-width:43px;aspect-ratio:.85;color:var(--blue);font-size:clamp(18px,2.1vw,27px);font-weight:850;box-shadow:0 6px 18px rgba(16,77,166,.07)}
.preview-shapes{width:95%;max-width:300px;position:relative;z-index:1;display:flex;gap:8px;justify-content:center;align-items:center}.preview-shapes svg{width:32%;height:125px;overflow:visible}.preview-shapes svg .fill-shape{fill:#fff;stroke:#1766eb;stroke-width:4}.preview-shapes svg text{fill:#1766eb;font-size:27px;font-weight:800;font-family:system-ui,sans-serif}
.preview-math{font-size:clamp(27px,3vw,39px);font-weight:850;letter-spacing:-.05em;color:var(--blue);white-space:nowrap;background:white;padding:20px 24px;border:1px solid #cbdfff;border-radius:18px;box-shadow:0 9px 23px rgba(32,82,147,.07);position:relative;z-index:1}.preview-math .blank{display:inline-block;background:#eaf3ff;min-width:50px;border:2px solid #a2c7ff;border-radius:8px;text-align:center}
.card-body{padding:27px;display:flex;flex:1;flex-direction:column}.card-meta{font-size:11px;color:var(--blue2);font-weight:800;text-transform:uppercase;letter-spacing:.11em;margin-bottom:10px}.game-card h3{font-size:24px;margin:0 0 13px}.game-card p{color:var(--muted);font-size:15px;line-height:1.68;flex:1;margin-bottom:21px}.card-detail{display:flex;align-items:center;gap:7px;color:#46658e;font-size:12px;font-weight:700;margin-bottom:20px}.card-detail svg{flex-shrink:0}.game-card .btn{width:100%}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.step{padding:30px;border-radius:21px;background:white;border:1px solid var(--line)}.step-number{width:47px;height:47px;border-radius:13px;display:grid;place-items:center;background:var(--sky);color:var(--blue);font-size:18px;font-weight:900}.step h3{font-size:22px;margin:20px 0 10px}.step p{font-size:15px;color:var(--muted);margin:0}
.faq-wrap{max-width:790px}.faq-wrap h2{font-size:clamp(30px,4vw,42px);margin-bottom:27px}details{border-bottom:1px solid var(--line);padding:17px 0}summary{list-style:none;cursor:pointer;font-size:16px;font-weight:800;display:flex;gap:15px;justify-content:space-between;align-items:center;min-height:36px}summary::-webkit-details-marker{display:none}summary::after{content:'+';font-size:24px;color:var(--blue);font-weight:500}details[open] summary::after{content:'−'}details p{margin:12px 30px 5px 0;color:var(--muted);font-size:15px}
.bottom-cta{background:var(--navy);color:#fff;border-radius:27px;padding:46px;display:flex;justify-content:space-between;align-items:center;gap:28px}.bottom-cta h2{font-size:clamp(28px,3.5vw,40px);margin-bottom:10px}.bottom-cta p{color:#c8d9f1;margin-bottom:0;max-width:470px}.bottom-cta .btn{background:#fff;color:var(--navy);flex-shrink:0}
.site-footer{margin-top:0;background:#f4f8ff;border-top:1px solid var(--line);padding:38px 0 27px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:30px}.footer-about{font-size:14px;color:var(--muted);max-width:300px;margin:16px 0 0}.footer-title{font-size:13px;text-transform:uppercase;letter-spacing:.09em;font-weight:850;margin-bottom:13px}.footer-links{display:grid;gap:10px}.footer-links a{font-size:14px;color:var(--muted);text-decoration:none}.footer-links a:hover{color:var(--blue);text-decoration:underline}.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;border-top:1px solid var(--line);padding-top:22px;margin-top:32px;font-size:12px;color:var(--muted)}
.page-hero{background:linear-gradient(115deg,#f7fbff,#eaf3ff);border-bottom:1px solid var(--line);padding:70px 0}.page-hero .container{max-width:880px}.page-hero h1{font-size:clamp(38px,5vw,58px);margin:16px 0 18px}.page-hero p{max-width:690px;color:var(--muted);font-size:18px;margin:0;line-height:1.75}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 265px;gap:60px;align-items:start}.prose{max-width:780px}.prose h2{font-size:clamp(26px,3vw,32px);margin:36px 0 14px}.prose h2:first-child{margin-top:0}.prose h3{font-size:20px;margin:27px 0 11px}.prose p,.prose li{font-size:16px;line-height:1.85;color:var(--muted)}.prose ul{padding-left:22px}.prose li{padding-left:4px;margin-bottom:7px}.info-panel{padding:24px;border-radius:19px;border:1px solid var(--line);background:#f7faff}.info-panel h2{font-size:19px;margin-bottom:10px}.info-panel p{color:var(--muted);font-size:14px}.info-panel a{overflow-wrap:anywhere}.contact-box{background:#f0f6ff;padding:26px;border-left:4px solid var(--blue);border-radius:0 15px 15px 0;margin:30px 0}.contact-box h2{margin:0 0 9px;font-size:23px}.contact-box p{margin-bottom:0}.contact-box a{font-weight:800;overflow-wrap:anywhere}.last-updated{color:var(--muted);font-size:14px;margin-top:0}
@media(max-width:900px){.hero-grid{gap:25px}.hero-art{min-height:340px}.float-pill.one{right:0}.float-pill.two{left:0}.game-grid{gap:15px}.card-body{padding:21px}.content-layout{grid-template-columns:1fr}.info-panel{max-width:650px}.footer-grid{gap:18px}}
@media(max-width:700px){.container{width:min(100% - 32px,1120px)}.header-inner{min-height:0;padding:12px 0 7px;display:block}.brand{font-size:18px}.brand-mark{height:34px;width:34px}.site-nav{overflow-x:auto;gap:4px;margin-top:10px;padding-bottom:4px;scrollbar-width:none}.site-nav::-webkit-scrollbar{display:none}.site-nav a{padding-inline:12px;min-height:43px;font-size:13px}.hero-grid{display:block;padding-block:50px 48px}.hero-copy{font-size:16px}.hero-art{margin:30px auto 0;min-height:290px;max-width:440px}.demo-card{width:min(350px,91%);padding:19px}.demo-heading{font-size:19px;margin-top:19px}.demo-timer{margin-top:20px}.float-pill.one{right:2%;top:0}.float-pill.two{left:0;bottom:4%}h1{font-size:clamp(36px,9.5vw,55px);margin:17px 0}.section{padding-block:55px}.section-heading{display:block}.section-heading p{margin-top:12px}.game-grid,.steps{grid-template-columns:1fr;gap:20px}.card-preview{height:175px}.card-body{padding:24px}.game-card h3{font-size:23px}.preview-digits span{max-width:46px;font-size:26px}.preview-shapes svg{height:116px}.preview-math{font-size:34px}.bottom-cta{display:block;padding:29px}.bottom-cta .btn{margin-top:22px;width:100%}.footer-grid{grid-template-columns:1fr 1fr;row-gap:30px}.footer-grid>:first-child{grid-column:1/-1}.page-hero{padding:52px 0}.page-hero p{font-size:16px}.prose p,.prose li{font-size:15px}}
@media(max-width:370px){.hero-actions .btn{width:100%}.hero-facts{gap:8px 18px}.demo-numbers{gap:4px}.demo-numbers span{border-radius:7px;font-size:19px}.card-preview{height:160px}.preview-math{padding:18px;font-size:29px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn,.game-card{transition:none}}

/* Single-column privacy page after the removal of the sidebar. */
.content-layout.no-aside{grid-template-columns:minmax(0,1fr)}
.content-layout.no-aside .prose{max-width:900px}