/* Geni: shared app palette, shapes and components. */
@font-face{
  font-family:Nunito;
  font-style:normal;
  font-weight:200 1000;
  font-display:swap;
  src:url("fonts/nunito-latin-variable.woff2") format("woff2");
}
:root{
  color-scheme:light;

  
  --blue:#0066FF; --green:#21A84A; --yellow:#FFD60A; --orange:#FF9400;
  --pink:#FF2E54; --purple:#B052DE; --cyan:#66D9F2; --peach:#F5D1B8;

  
  --ink:#000000;            
  --ink-2:#5C5A52;          
  --blue-ink:#0052CC; --green-ink:#1B7A38; --orange-ink:#8A4B00; --pink-ink:#C70D38;

  
  --blue-soft:#E6F0FF;   --blue-line:#A6C9FF;
  --green-soft:#E4F5E9;  --green-line:#B1E1C0;
  --yellow-soft:#FFF9DA; --yellow-line:#FFEFA8;
  --orange-soft:#FFF2E0; --orange-line:#FFD9A6;
  --pink-soft:#FFE6EB;   --pink-line:#FFB6C5;
  --purple-soft:#F6EAFB; --purple-line:#E3C2F3;
  --cyan-soft:#E8F9FD;   --cyan-line:#C2EFF9;

  
  --bg:#FFF7E0; --card:#FFFFFF; --accent:#0066FF; --accent-ink:#0052CC; --accent-soft:#E6F0FF;

  
  --hairline:rgba(0,0,0,.10);              
  --shadow:0 4px 10px rgba(0,0,0,.08);     
  --shadow-lift:0 8px 20px rgba(0,0,0,.10);
  --shadow-press:0 2px 6px rgba(0,0,0,.08);
  --focus:0 0 0 4px var(--accent-soft);

  
  --r-sm:12px;   
  --r-md:16px;   
  --r-lg:24px;   
  --r-xl:32px;   
  --r-pill:999px;

  
  --s-1:4px; --s-2:8px; --s-3:12px; --s-4:16px; --s-5:24px; --s-6:32px; --s-7:48px; --s-8:64px; --s-9:96px;
  --gutter:20px; --container:1120px; --content:760px;

  
  --font:"Nunito",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --lh-tight:1.05; --lh-heading:1.15; --lh-body:1.6;
  --fs-display:clamp(2.75rem,6vw,4.5rem);
  --fs-h1:clamp(2.125rem,4.5vw,3rem);
  --fs-h2:clamp(1.625rem,3vw,2.125rem);
  --fs-h3:1.25rem;
  --fs-lead:1.25rem; --fs-body:1.0625rem; --fs-small:.9375rem; --fs-meta:.875rem;
}
body[data-theme="standard"]{--bg:#FFF7E0;--card:#FFFFFF;--accent:#0066FF;--accent-ink:#0052CC;--accent-soft:#E6F0FF}
body[data-theme="ocean"]   {--bg:#E6F2FF;--card:#F2F7FF;--accent:#2E73D1;--accent-ink:#1F5CB0;--accent-soft:#D8E8FB}
body[data-theme="blossom"] {--bg:#FFEDF2;--card:#FFF7FA;--accent:#E0477A;--accent-ink:#B7265C;--accent-soft:#FBDCE6}
:root{--white:#fff;--disabled:#E6E6E6;--disabled-ink:rgba(0,0,0,.35);--theme-standard:#FFF7E0;--theme-ocean:#E6F2FF;--theme-blossom:#FFEDF2;--nav-height:72px}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-height) + var(--s-5))}
body{font:500 var(--fs-body)/var(--lh-body) var(--font);background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;min-height:100svh;display:flex;flex-direction:column}
main{flex:1;min-width:0}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{color:inherit}button,a,input,textarea,select,summary{-webkit-tap-highlight-color:transparent}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--accent-ink);outline-offset:3px}
h1{font-size:var(--fs-h1);font-weight:900;line-height:1.1;letter-spacing:-.015em;overflow-wrap:anywhere}
.hero h1,.blog-header h1{letter-spacing:-.02em}
h2{font-size:var(--fs-h2);font-weight:800;line-height:var(--lh-heading);letter-spacing:-.01em}
h3{font-size:var(--fs-h3);font-weight:800;line-height:1.25}
.container{width:100%;max-width:calc(var(--container) + 2*var(--gutter));margin-inline:auto;padding-inline:var(--gutter)}
.content{padding:var(--s-7) 0}.content>.container{max-width:calc(var(--content) + 2*var(--gutter))}.content h1{text-align:center;margin-bottom:var(--s-6)}
.lead{font-size:var(--fs-lead);font-weight:600;line-height:1.5;max-width:40ch}
.meta,.updated,.post-meta,.breadcrumb{font-size:var(--fs-meta);font-weight:600;line-height:1.4;color:var(--ink-2)}
.section{padding:clamp(48px,8vw,96px) 0}.section h2{text-align:center;margin-bottom:var(--s-6)}
.card{background:var(--card);border-radius:var(--r-lg);padding:var(--s-6) var(--s-5);box-shadow:var(--shadow)}
a.card{transition:transform .2s ease-out,box-shadow .2s ease-out}a.card:hover{transform:translateY(-1px);box-shadow:var(--shadow-lift)}a.card:active{transform:scale(.97) translateY(2px);box-shadow:var(--shadow-press)}
.card--tint-blue{background:var(--blue-soft);border:2px solid var(--blue-line);box-shadow:none}.card--tint-green{background:var(--green-soft);border:2px solid var(--green-line);box-shadow:none}.card--tint-yellow{background:var(--yellow-soft);border:2px solid var(--yellow-line);box-shadow:none}.card--tint-orange{background:var(--orange-soft);border:2px solid var(--orange-line);box-shadow:none}.card--tint-pink{background:var(--pink-soft);border:2px solid var(--pink-line);box-shadow:none}.card--tint-purple{background:var(--purple-soft);border:2px solid var(--purple-line);box-shadow:none}.card--tint-cyan{background:var(--cyan-soft);border:2px solid var(--cyan-line);box-shadow:none}
.info-card{margin-bottom:var(--s-4)}.info-card h2{display:flex;align-items:center;gap:10px;font-size:var(--fs-h3);line-height:1.25;margin-bottom:var(--s-3)}.info-card h2>span[aria-hidden]{font-size:1.5rem;flex:none}.info-card p,.info-card ul{font-size:var(--fs-small);line-height:1.55}.info-card ul{padding-left:var(--s-5);margin-top:var(--s-2)}.info-card li+li{margin-top:var(--s-1)}
.link,.article-body a:not(.btn):not(.app-store-badge),.content-card a,.info-card a{color:var(--accent-ink);font-weight:700;text-decoration:underline;text-underline-offset:3px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:56px;padding:12px 28px;border:0;border-radius:var(--r-md);font:800 1.2rem/1.3 var(--font);text-align:center;text-decoration:none;cursor:pointer;box-shadow:var(--shadow);transition:transform .2s ease-out,box-shadow .2s ease-out}
.btn--primary{background:var(--accent);color:var(--white)}.btn--secondary{background:var(--card);color:var(--ink)}.btn--sm{min-height:44px;padding:10px 18px;font-size:1rem}.btn--primary.btn--sm{font-size:1.2rem}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-lift)}.btn:active{transform:scale(.97) translateY(2px);box-shadow:var(--shadow-press)}.btn[disabled]{background:var(--disabled);color:var(--disabled-ink);box-shadow:none;cursor:default}
.cta{text-align:center;padding:var(--s-7) 0;display:flex;flex-direction:column;align-items:center;gap:var(--s-5)}.cta h2{font-size:var(--fs-h2);margin:0}.cta.card{padding:40px 32px}
.cta-row{display:flex;align-items:center;gap:var(--s-4);flex-wrap:wrap}
.app-store-badge{display:inline-flex;flex:none;border-radius:var(--r-sm);transition:transform .2s ease-out,box-shadow .2s ease-out}.app-store-badge img{height:56px;width:auto}.app-store-badge:hover{transform:translateY(-1px);box-shadow:var(--shadow-lift)}.app-store-badge:active{transform:scale(.97) translateY(2px);box-shadow:var(--shadow-press)}
.chip{display:inline-flex;align-items:center;background:var(--blue-soft);color:var(--blue-ink);border-radius:var(--r-pill);font-size:.8125rem;font-weight:700;line-height:1.4;padding:4px 12px}
.emoji-hero{font-size:clamp(3.5rem,8vw,4.5rem);line-height:1;text-align:center}
.phone{--phone-w:min(260px,64vw);position:relative;width:var(--phone-w);aspect-ratio:450/920;flex:none}.phone-bezel{position:absolute;inset:0;width:100%;height:100%;z-index:2;pointer-events:none}.phone .screen{position:absolute;top:2.3%;left:4.9%;width:90.2%;height:95.3%;border-radius:calc(var(--phone-w) * .13);background:var(--bg);object-fit:cover;z-index:1}
.feature-intro{display:grid;gap:var(--s-5);margin-bottom:var(--s-4);align-items:center}.feature-intro .info-card{margin:0}.feature-intro .phone{justify-self:center}
label{display:block;font:700 var(--fs-small)/1.3 var(--font);margin-bottom:var(--s-2)}
input,textarea,select{width:100%;min-height:52px;padding:14px 16px;border:2px solid var(--hairline);border-radius:var(--r-sm);background:var(--white);color:var(--ink);font:500 var(--fs-body)/1.4 var(--font);transition:border-color .2s ease-out,box-shadow .2s ease-out}
input::placeholder,textarea::placeholder{color:var(--ink-2);opacity:1}input:focus,textarea:focus,select:focus{outline:0;border-color:var(--accent);box-shadow:var(--focus)}input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--accent-ink);outline-offset:3px}
textarea{min-height:160px;resize:vertical}.field{margin-bottom:20px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-row .field{min-width:0}input[aria-invalid="true"],textarea[aria-invalid="true"]{border-color:var(--pink)}.field-error{margin-top:6px;font:700 var(--fs-meta)/1.4 var(--font);color:var(--pink-ink)}
.success-msg{background:var(--green-soft);border:2px solid var(--green-line);color:var(--green-ink)}.error-msg{background:var(--pink-soft);border:2px solid var(--pink-line);color:var(--pink-ink)}.success-msg,.error-msg{display:none;border-radius:var(--r-md);padding:16px 20px;font-weight:700;text-align:center;margin-top:20px}
@media(min-width:601px){:root{--gutter:24px}}
@media(min-width:900px){.feature-intro{grid-template-columns:minmax(0,1fr) 240px;gap:var(--s-6)}}
@media(max-width:600px){:root{--nav-height:68px}.card{padding:var(--s-5) var(--s-4)}.card .btn,form .btn{width:100%}.form-row{grid-template-columns:1fr;gap:0}.cta.card{padding:var(--s-6) var(--s-4)}}
/* Article typography */
.article-wrap{width:100%;max-width:calc(var(--content) + 2*var(--gutter));margin-inline:auto;padding:var(--s-7) var(--gutter)}.breadcrumb{margin-bottom:var(--s-5)}.breadcrumb a{display:inline-flex;align-items:center;min-height:44px;text-decoration:underline;text-underline-offset:3px}.breadcrumb a:hover{color:var(--ink)}.article-wrap>.chip{margin-bottom:var(--s-4)}.article-wrap>h1{margin-bottom:var(--s-5)}.article-wrap>.post-meta{padding-bottom:var(--s-5);border-bottom:1px solid var(--hairline);margin-bottom:var(--s-6)}.article-body p,.article-body li{font-size:1.125rem;line-height:1.75}.article-body p{margin-bottom:var(--s-5)}.article-body h2{font-size:1.75rem;margin:var(--s-7) 0 var(--s-4)}.article-body h3{margin:var(--s-6) 0 var(--s-3)}.article-body ul,.article-body ol{padding-left:var(--s-5);margin-bottom:var(--s-5)}.article-body li+li{margin-top:var(--s-2)}.callout{border-radius:var(--r-md);padding:var(--s-5);margin:var(--s-6) 0}.callout>strong{display:block;font-size:var(--fs-body);font-weight:800;margin-bottom:var(--s-2)}.callout p:last-child{margin-bottom:0}.article-body .cta{margin:var(--s-7) 0 var(--s-6)}.article-body .cta h2{font-size:var(--fs-h2);margin:0}

@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;transform:none!important}html{scroll-behavior:auto}}

/* Hero: copy + animated phone (landing, math, reading) */
.hero{padding:var(--s-7) 0;min-height:calc(100svh - var(--nav-height));display:flex;align-items:center}
.hero .container{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,46vw);align-items:center;gap:clamp(24px,4vw,48px)}
.hero-copy{display:flex;flex-direction:column;align-items:flex-start;gap:var(--s-5)}.hero h1{font-size:var(--fs-display);line-height:var(--lh-tight);max-width:14ch}
.hero .cta-row{display:grid;grid-template-columns:200px;align-items:stretch;margin-top:var(--s-4)}.br-desk{display:none}
.hero .cta-row>*{width:100%;height:auto;min-height:0;aspect-ratio:119.66407/40}.hero .app-store-badge img{width:100%;height:100%;object-fit:contain}
.hero .cta-row .btn{padding:8px 10px;font-size:1.15rem;white-space:nowrap;border-radius:var(--r-sm)}
.hero-visual{display:flex;justify-content:center;min-width:0}
.iphone-mockup{width:100%;max-width:340px;margin:0;position:relative;aspect-ratio:450/920}
.iphone-frame{position:absolute;inset:0;pointer-events:none;z-index:3}.iphone-frame img{width:100%;height:100%;display:block}
.iphone-screen{position:absolute;top:2.3%;right:4.9%;bottom:2.4%;left:4.9%;background:var(--bg);border-radius:44px;overflow:hidden;z-index:1;container-type:inline-size}.iphone-screen img{width:100%;height:100%;object-fit:cover}
.hero-replay{position:absolute;inset:0;z-index:2;display:flex;align-items:center;justify-content:center;width:100%;padding:0;border:0;background:radial-gradient(circle at 50% 50%,rgba(30,25,10,.16),rgba(30,25,10,.05) 38%,rgba(255,255,255,.1) 70%);cursor:pointer;opacity:0;transition:opacity .4s ease}.hero-replay[hidden]{display:none}.hero-replay.is-shown{opacity:1}.glass-play{position:relative;width:108px;height:108px;transform:scale(.9);transition:transform .35s cubic-bezier(.2,1.4,.4,1)}.hero-replay.is-shown .glass-play{transform:scale(1)}.hero-replay:hover .glass-play{transform:scale(1.06)}.hero-replay:active .glass-play{transform:scale(.95)}.glass-play svg,.gp-glass{position:absolute;inset:0;width:100%;height:100%}.gp-shadow{fill:rgba(40,30,0,.28);filter:blur(8px);transform:translateY(7px)}.hero-replay:focus-visible{outline:none}.hero-replay:focus-visible .glass-play{outline:3px solid var(--accent);outline-offset:6px;border-radius:24px}
@media(min-width:1025px){.br-desk{display:inline}.hero-copy{padding-bottom:56px}.hero .lead{max-width:none}.hero h1{max-width:12ch}.hero .container{grid-template-columns:minmax(560px,1fr) minmax(320px,40vw)}}
@media(max-width:1024px){.hero .container{grid-template-columns:minmax(0,1fr) minmax(280px,42vw)}}
@media(max-width:600px){.hero{padding:var(--s-5) 0;align-items:flex-start}.hero .container{grid-template-columns:1fr;gap:var(--s-5)}.hero-copy{gap:var(--s-4);align-items:center;text-align:center}.hero h1{font-size:clamp(2rem,9.6vw,2.5rem);max-width:14ch}.hero .lead{font-size:1.125rem;line-height:1.45}.hero .cta-row{grid-template-columns:156px;gap:var(--s-3);justify-content:center}.hero .iphone-mockup{width:100%;max-width:none;height:auto;flex:none}.hero-visual{display:block;width:60vw;max-width:240px;margin-inline:auto;aspect-ratio:450/770;overflow:hidden;-webkit-mask-image:linear-gradient(to bottom,#000 93%,transparent 100%);mask-image:linear-gradient(to bottom,#000 93%,transparent 100%)}}
.hero--page{min-height:0}.hero--page h1{font-size:clamp(2.25rem,4.4vw,3.5rem);max-width:16ch}.hero-text{display:flex;flex-direction:column;gap:var(--s-5)}
@media(min-width:1025px){.hero--page h1{max-width:16ch}}
@media(max-width:600px){.hero--page h1{font-size:clamp(2rem,9vw,2.4rem)}.hero-text{gap:var(--s-4)}}

/* Phone demos: app screens drawn in SVG (603 × 1311, the app's own point grid) */
.dm{display:block;width:100%;height:100%;font-family:ui-rounded,"SF Pro Rounded",var(--font)}
.dm text{fill:#111}.dm-bg{fill:var(--bg)}.dm-ink{fill:#111}.dm-wifi{fill:none;stroke:#111;stroke-width:3.5;stroke-linecap:round}
.dm-time{font-size:26px;font-weight:700;text-anchor:middle}.dm-prog-t{font-size:24px;font-weight:800;text-anchor:middle}
.dm-pill{fill:var(--card);stroke:rgba(0,0,0,.07);stroke-width:2}
.dm-star{font-size:26px;font-weight:900;text-anchor:middle;transition:opacity .3s}.dm-star.b{opacity:0}
.dm-bar{fill:#22A447;transform-origin:31px 226px;transition:transform .6s ease-out}
.dm-fb{transform:translateY(200px);opacity:0;transition:transform .45s cubic-bezier(.2,1.3,.4,1),opacity .2s}.dm .dm-fb-t{fill:#fff;font-size:30px;font-weight:800}
.dm.done .dm-fb{transform:none;opacity:1}.dm.done .dm-star.a{opacity:0}.dm.done .dm-star.b{opacity:1}

/* Math demo: how many more to make 10 */
.mg-bar{transform:scaleX(.2)}.mg.done .mg-bar{transform:scaleX(.25)}
.mg-q{font-size:40px;font-weight:900;text-anchor:middle}.mg-berry{font-size:44px;text-anchor:middle}
.mg-slot{fill:none;stroke:#B9B4A8;stroke-width:2.5;stroke-dasharray:7 6;transition:opacity .2s}
.mg-new{transform:scale(0);transform-box:fill-box;transform-origin:center;transition:transform .4s cubic-bezier(.2,1.6,.4,1)}
.mg.f1 .n1,.mg.f2 .n2,.mg.f3 .n3,.mg.f4 .n4{transform:scale(1)}.mg.f1 .s1,.mg.f2 .s2,.mg.f3 .s3,.mg.f4 .s4{opacity:0}
.mg-tile{transform-box:fill-box;transform-origin:center;transition:transform .15s}
.mg-tile-base{fill:#E3DFD4}.mg-tile-top{fill:#fff;stroke:rgba(0,0,0,.06);stroke-width:2}.mg-tile-n{font-size:62px;font-weight:900;text-anchor:middle}
.mg-tile-base,.mg-tile-top,.mg .mg-tile-n{transition:fill .25s}
.mg.press .c1{transform:scale(.95)}
.mg.pick .c1 .mg-tile-top{fill:#22A447;stroke:#1A8A3A}.mg.pick .c1 .mg-tile-base{fill:#167A33}.mg.pick .c1 .mg-tile-n{fill:#fff}
.mg.pick .mg-tile:not(.c1) .mg-tile-top{fill:#FBF8EF}.mg.pick .mg-tile:not(.c1) .mg-tile-base{fill:#ECE8DE}.mg.pick .mg-tile:not(.c1) .mg-tile-n{fill:#8A8578}
@media(max-width:600px){.mg-fb{transform:translateY(-826px)}.mg.done .mg-fb{transform:translateY(-866px)}}

/* Reading demo: Read to me */
.rg-mode{font-size:21px;font-weight:800;text-anchor:middle}.rg-time{font-size:26px;font-weight:900;text-anchor:middle}
.rg-bar{transform:scaleX(.02)}.rg.go .rg-bar{transform:scaleX(.19);transition:transform 5.5s linear}
.rg-text{--u:calc(100cqw / 603);position:absolute;inset:0;font-family:ui-rounded,"SF Pro Rounded",var(--font);pointer-events:none}
.rg-title{position:absolute;left:calc(36 * var(--u));top:calc(266 * var(--u));margin:0;font-size:calc(28 * var(--u));line-height:1.2;font-weight:900;color:#111}
.rg-story{position:absolute;left:calc(36 * var(--u));top:calc(333 * var(--u));width:calc(540 * var(--u));max-height:calc(800 * var(--u));overflow:hidden;margin:0;font-size:calc(39 * var(--u));line-height:calc(74.5 * var(--u));font-weight:800;color:rgba(60,50,20,.2);text-wrap:pretty}
.rg-story span{transition:color .15s}.rg-story .r{color:#111}.rg-story .c{color:#0A84FF}

/* Short laptop windows: scale the hero to the window height so the CTAs stay above the fold */
@media(min-width:1025px){.hero{padding:clamp(16px,4svh,48px) 0}.hero h1{font-size:min(var(--fs-display),8svh)}.hero-copy{gap:clamp(12px,2.6svh,24px)}.hero .cta-row{margin-top:clamp(4px,1.4svh,16px)}.iphone-mockup{max-width:min(340px,calc((100svh - var(--nav-height) - 2 * clamp(16px,4svh,48px)) * 450 / 920))}}
@media(min-width:1025px) and (max-height:820px){.hero-copy{padding-bottom:0}.hero .lead{font-size:clamp(1rem,2.3svh,var(--fs-lead))}}