@font-face{font-family:Andika;src:url('/assets/andika-regular.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:Andika;src:url('/assets/andika-semibold.ttf') format('truetype');font-weight:600;font-display:swap}
:root{color-scheme:light;--ink:#102a33;--muted:#526761;--paper:#fffdf7;--green:#07566a;--line:#d9e5df;--mint:#eaf7f1;--coral:#ff6048}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:2rem}body{margin:0;background:var(--paper);color:var(--ink);font-family:Andika,system-ui,sans-serif;font-size:1rem;line-height:1.65;-webkit-font-smoothing:antialiased}main{isolation:isolate}a{color:var(--green);text-underline-offset:.22em}a:hover{text-decoration-thickness:2px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--green);outline-offset:5px}img{max-width:100%;height:auto;display:block}h1,h2,h3{font-weight:600;letter-spacing:-.035em;text-wrap:balance}h1{font-size:clamp(2.65rem,5.4vw,4.9rem);line-height:1.12;margin:0;max-width:12ch}h2{font-size:clamp(1.8rem,3vw,2.8rem);line-height:1.2;margin:0 0 1.2rem}h3{font-size:1.3rem;margin:0 0 .6rem}p{margin:0 0 1.2rem;text-wrap:pretty}p:last-child{margin-bottom:0}.wrap{width:min(1160px,calc(100% - 3rem));margin-inline:auto}.skip{position:absolute;left:1rem;top:-6rem;background:white;padding:.8rem;z-index:9}.skip:focus{top:1rem}header{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:1.5rem}.brand{display:flex;align-items:center;gap:.65rem;text-decoration:none;color:var(--ink);font-weight:600;letter-spacing:-.04em;font-size:1.7rem}.brand img{width:44px;height:44px;border-radius:12px}nav{display:flex;gap:1.6rem;align-items:center}nav a{text-decoration:none}.hero{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;padding-block:2.3rem 4.5rem}.eyebrow{color:var(--green);margin-bottom:1rem;font-weight:600}.hero .lead{font-size:1.2rem;max-width:39ch;color:var(--muted);margin-top:1.5rem}.actions{display:flex;align-items:center;flex-wrap:wrap;gap:1rem;margin-top:1.8rem}.button{display:inline-flex;align-items:center;justify-content:center;padding:.85rem 1.3rem;border-radius:999px;background:var(--green);color:white;text-decoration:none;font-weight:600;min-height:48px}.button:hover{background:#123e48;text-decoration:none}.quiet{color:var(--muted);font-size:1rem}.art{position:relative}.art img{width:100%;max-height:620px;object-fit:cover;object-position:50% 57%;border-radius:48% 48% 1.6rem 1.6rem}.caption{position:absolute;bottom:1.3rem;left:1.3rem;right:1.3rem;background:var(--paper);padding:.75rem 1.1rem;border-radius:1rem;text-align:center}.story-section{border-top:1px solid var(--line);padding-block:3.5rem}.section-head{max-width:49ch;margin-bottom:2rem}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:2.5rem}.number{color:#b43928;font-weight:600;margin-bottom:1rem;font-variant-numeric:tabular-nums}.features p{color:var(--muted)}.beta{background:var(--mint);padding:2.5rem;border-radius:1.5rem;display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:start}.beta p{max-width:47ch}.beta-contact{align-self:center}.small-note{margin-top:.8rem;color:var(--muted)}footer{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding-block:2.3rem;color:var(--muted)}footer div{display:flex;gap:1.5rem;flex-wrap:wrap}.privacy-head{padding:3rem 0 2.5rem;border-bottom:1px solid var(--line)}.privacy-head h1{max-width:20ch;font-size:clamp(2.6rem,5vw,4rem);margin-bottom:1rem}.privacy-layout{display:grid;grid-template-columns:230px minmax(0,740px);gap:4rem;padding-block:3rem}.contents{align-self:start;position:sticky;top:2rem}.contents ol{padding-left:1.2rem}.contents li{margin:.5rem 0}.prose h2{font-size:1.65rem;letter-spacing:-.02em}.prose section{margin-bottom:2.8rem;scroll-margin-top:2rem}.prose p,.prose li{max-width:70ch}.prose li{margin:.5rem 0}.prose ul{padding-left:1.3rem}.summary{background:var(--mint);padding:1.5rem;border-radius:1.2rem;margin-bottom:2.8rem}.summary h2{margin-bottom:1rem}.draft{background:#fff0d8;padding:.8rem 1.2rem;border:1px solid #ddbb85;margin-bottom:1.5rem;border-radius:.8rem}.legal-date{color:var(--muted)}
@media(max-width:800px){.hero{gap:2.5rem;grid-template-columns:1fr;padding-top:1.5rem}h1{max-width:15ch}.hero .lead{max-width:44ch}.art{max-width:530px;width:100%;margin-inline:auto}.art img{max-height:480px;object-position:50% 64%}.features{grid-template-columns:1fr;gap:2rem}.number{margin-bottom:.4rem}.beta{grid-template-columns:1fr;padding:1.5rem;gap:2rem}.privacy-layout{grid-template-columns:1fr;gap:1.5rem}.contents{position:static;border-bottom:1px solid var(--line);padding-bottom:1.5rem}.contents ol{columns:2;column-gap:2rem}.privacy-head{padding-top:2rem}footer{align-items:flex-start;flex-direction:column}}
@media(max-width:440px){.wrap{width:calc(100% - 2rem)}header{align-items:flex-start}nav{gap:1rem;padding-top:.6rem}.brand{font-size:1.4rem}.brand img{width:36px;height:36px}nav .how-link{display:none}.hero{padding-bottom:3rem}.caption{font-size:1rem}.contents ol{columns:1}.privacy-head h1{font-size:2.6rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{header,footer,.contents,.skip{display:none}.privacy-layout{display:block}.wrap{width:100%}body{background:white}.prose section{break-inside:avoid}a{color:inherit}}

/* Learning features: typography and reading companions. */
nav a[aria-current=page]{text-decoration:underline;text-decoration-thickness:2px}
.lead{font-size:1.2rem;color:var(--muted);max-width:48ch}
.feature-split,.feature-hero,.parent-note{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:center}
.feature-split>div>p{max-width:48ch}
.feature-split{padding-block:4rem}
.source-line{font-size:1rem;color:var(--muted);margin-top:1.5rem;line-height:1.65}
.inline-sound{white-space:nowrap;font-weight:600}
.type-specimen{margin:0;padding:2rem 2.5rem;border-radius:1.5rem;background:var(--mint);text-align:center;overflow:hidden}
.specimen-label{text-align:left;color:var(--green);font-weight:600;margin-bottom:0}
.specimen-pair{display:flex;justify-content:center;gap:2rem;font-size:clamp(7rem,14vw,11rem);line-height:1.5;color:var(--green);border-bottom:1px solid #b6d6ca;margin-bottom:1rem}
.specimen-word{font-size:2rem;letter-spacing:.025em;margin-bottom:1rem}
.type-specimen figcaption,.pet-portrait figcaption{color:var(--muted);font-size:1rem}
.pet-portrait{margin:0;background:var(--mint);padding:2.5rem;border-radius:1.5rem;text-align:center}
.pet-sticker{display:flex;align-items:center;justify-content:center;min-height:270px}
.pet-sticker img{width:220px;height:220px;object-fit:contain;image-rendering:pixelated;filter:drop-shadow(0 8px 0 #d4e8df)}
.pet-portrait figcaption strong{color:var(--ink);font-weight:600}

.feature-hero{padding-block:3rem 4rem}.feature-hero h1{font-size:clamp(2.6rem,4.6vw,4.3rem);max-width:16ch}.feature-hero .lead{margin-top:1.5rem}
.ritual{list-style:none;padding:0;margin-bottom:0}.ritual p{color:var(--muted)}.ritual .number{color:#b43928}
.boundary-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem}.boundary-grid article{border-left:2px solid #b8d7ca;padding-left:1.4rem}.boundary-grid p{max-width:48ch;color:var(--muted)}
.science-section{background:var(--mint);padding-block:4rem}.science-layout{display:grid;grid-template-columns:2fr 3fr;gap:2.5rem}.science-layout>div>p{max-width:38ch}.research-notes{display:grid;gap:2.5rem}.research-notes article+article{border-top:1px solid #bfd9ce;padding-top:2.5rem}.research-notes .source-line{margin-top:1rem}
.parent-note{align-items:start}.parent-note h2{max-width:14ch}
@media(max-width:800px){.feature-split,.feature-hero,.science-layout,.parent-note{grid-template-columns:1fr}.feature-split{padding-block:3rem}.pet-feature>figure{order:2}.type-specimen,.pet-portrait{max-width:530px;width:100%;margin-inline:auto}.feature-hero{padding-top:1.5rem}.feature-hero h1{max-width:18ch}.specimen-pair{font-size:8rem}.science-section{padding-block:3rem}.parent-note h2{max-width:24ch}}
@media(max-width:600px){header.wrap{flex-wrap:wrap;align-items:center}header nav{width:100%;padding:0;gap:1rem;justify-content:space-between;border-top:1px solid var(--line);padding-top:.8rem}header nav a{min-height:36px;display:inline-flex;align-items:center}header nav .how-link{display:inline-flex}.boundary-grid{grid-template-columns:1fr;gap:1.8rem}.pet-sticker{min-height:240px}.type-specimen{padding:1.5rem}.specimen-pair{gap:1.5rem}}
@media print{.science-section{background:white}}
@media(max-width:360px){header nav{gap:.5rem}}