:root{color-scheme:light;--ink:#15383b;--muted:#436166;--cream:#fffaf0;--teal:#135b58;--line:#cddfd7;--pale:#eaf4ea}
*{box-sizing:border-box}
html{scroll-padding-top:1rem}
body{margin:0;background:var(--cream);color:var(--ink);font-family:"DM Sans",system-ui,sans-serif;font-size:1rem;line-height:1.6}
h1,h2,h3,p,figure{margin:0}
h1,h2,h3{line-height:1.13;text-wrap:balance}
h1,h2{font-family:"DM Serif Text",Georgia,serif;font-weight:500;letter-spacing:-.025em}
h1{font-size:clamp(2.65rem,6vw,5.35rem)}
h2{font-size:clamp(2rem,4vw,3.45rem)}
h3{font-size:1.22rem}
p{margin-top:.8rem}
a{color:inherit;text-underline-offset:.22em}
button{font:inherit}
[hidden]{display:none!important}
:focus-visible{outline:3px solid #dc7631;outline-offset:4px}
.shell{width:min(1120px,calc(100% - 3rem));margin-inline:auto}
.skip-link{position:absolute;top:.5rem;left:.5rem;z-index:2;padding:.6rem 1rem;background:white;transform:translateY(-150%)}
.skip-link:focus{transform:none}
.site-header{border-bottom:1px solid var(--line)}
.header-inner,.site-header nav,.footer,.footer nav{display:flex;align-items:center;gap:clamp(.75rem,2vw,1.6rem)}
.header-inner,.footer{justify-content:space-between;min-height:70px}
.site-header nav,.footer nav{flex-wrap:wrap}
.site-header nav a{font-size:.94rem}
.wordmark{text-decoration:none;white-space:nowrap;font-size:1.25rem;font-weight:850;letter-spacing:-.035em}
.wordmark span{color:var(--teal)}
.login{padding:.3rem .8rem;border:1px solid var(--line);border-radius:100px}
.hero{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:clamp(1.6rem,4vw,4rem);padding-block:clamp(2.6rem,7vw,6.5rem)}
.eyebrow{margin:0 0 .75rem;color:var(--teal);font-weight:750;font-size:.9rem}
.lede{max-width:43ch;color:var(--muted);font-size:clamp(1.06rem,2vw,1.23rem);margin-top:1.25rem}
.hero-art{background:#d9ebda;border-radius:3rem 3rem 1rem 3rem;overflow:hidden}
.hero-art img{width:100%;height:auto;display:block}
.actions{display:flex;align-items:center;gap:.8rem 1.25rem;flex-wrap:wrap;margin-top:1.5rem}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:.65rem 1.1rem;border:1px solid transparent;border-radius:.75rem;background:var(--teal);color:white;text-decoration:none;font-weight:750;cursor:pointer}
.button:hover{background:#104b49}
.text-link{font-weight:700}
.fine{color:var(--muted);font-size:.92rem}
.demo-section{background:var(--pale);padding-block:clamp(2.5rem,6vw,5rem)}
.split{display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:clamp(1.4rem,5vw,5rem)}
.split>div:first-child p:not(.eyebrow){color:var(--muted);max-width:49ch}
.demo{padding:clamp(1rem,3vw,2rem);border:1px solid var(--line);border-radius:1.4rem;background:#fffefa}
.tiles{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:5px;margin-block:1.4rem}
.tiles span{aspect-ratio:1;background:#f3b856;border:1px solid #90602e;border-radius:.28rem}
.demo.is-grouped .tiles{gap:0}
.demo.is-grouped .tiles span{background:#68bfad;border-color:#34786a;border-radius:0}
.demo.is-grouped .tiles span+span{border-left:0}
.demo-controls{display:flex;align-items:center;gap:.6rem 1rem;flex-wrap:wrap}
.demo-result{margin:0;font-weight:800}
.family-section,.faq{padding-block:clamp(2.6rem,6vw,5rem)}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-top:1.5rem}
.feature-grid article{border:1px solid var(--line);border-radius:1.15rem;padding:1.35rem;background:#fffefa}
.feature-grid article>span{display:block;margin-bottom:.55rem;font-size:1.45rem}
.feature-grid p{color:var(--muted)}
.trial{display:grid;grid-template-columns:1.35fr .65fr;align-items:center;gap:1.5rem;background:#113a42;color:#fffaf0;border-radius:1.5rem;padding:clamp(1.25rem,4.5vw,3.5rem)}
.trial p{max-width:56ch;color:#ddede8}
.trial-actions{display:grid;justify-items:start;gap:.6rem}
.trial-actions p{margin:0}
.light{background:#ffdc8b;color:#272915}
.light:hover{background:#ffe7af}
.faq details{border-bottom:1px solid var(--line);padding:1rem 0;max-width:55rem}
.faq summary{font-weight:750;cursor:pointer}
.faq h2{margin-bottom:.6rem}
.faq details p{color:var(--muted)}
.footer{border-top:1px solid var(--line);padding-block:1rem}
.product-index{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:1.4rem;padding-bottom:1.4rem;border-bottom:1px solid var(--line)}
.product-index a{display:inline-flex;align-items:center;min-height:44px;padding:.35rem .85rem;border:1px solid var(--line);border-radius:100px;background:#fffefa;color:var(--teal);font-weight:700}
.product-section{padding-block:clamp(2.8rem,6vw,5rem)}
.product-band{background:var(--pale)}
.product-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:clamp(1.4rem,5vw,4rem)}
.section-intro{max-width:58ch;color:var(--muted);font-size:1.08rem}
.feature-list{margin:1.25rem 0 0;padding-left:1.25rem}
.feature-list li+li{margin-top:.55rem}
.feature-list li::marker{color:var(--teal)}
.example-panel{padding:clamp(1rem,3.5vw,1.8rem);border:1px solid var(--line);border-radius:1.3rem;background:#fffefa}
.example-panel details,.examples details{margin-top:.8rem;padding-top:.75rem;border-top:1px solid var(--line)}
.example-panel summary,.examples summary{cursor:pointer;font-weight:750;color:var(--teal);padding-block:.25rem}
.example-panel details p,.help-list dd{color:var(--muted)}
.square-model{display:grid;grid-template-columns:repeat(5,1fr);width:min(10.5rem,100%);gap:4px;margin:1rem auto}
.square-model span{aspect-ratio:1;border-radius:.2rem;background:#d0e6dc;border:1px solid #79aa98}
.square-model span:nth-child(-n+5){background:#7ebba6;border-color:#518a7b}
.examples a{display:inline-block;margin-top:.7rem;font-weight:700;color:var(--teal)}
.help-list{margin:1.25rem 0 0}
.help-list dt{font-weight:800;margin-top:.75rem}
.help-list dd{margin:0}
.help-sample h3{font-size:clamp(1.8rem,4vw,2.65rem);font-variant-numeric:tabular-nums}
.report-metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(7.25rem,1fr));gap:.55rem;margin:1rem 0}
.report-metrics div{display:flex;flex-direction:column-reverse;justify-content:flex-end;background:var(--pale);border-radius:.75rem;padding:.65rem}
.report-metrics dt{font-size:.83rem;color:var(--muted);line-height:1.3}
.report-metrics dd{margin:0 0 .2rem;font-size:1.45rem;font-weight:850}
.report-sample>p:not(.eyebrow){padding-top:.65rem;border-top:1px solid var(--line)}
@media(max-width:760px){.product-split{grid-template-columns:1fr}}
@media(max-width:760px){.hero,.split,.trial{grid-template-columns:1fr}.hero-art{max-width:32rem}.feature-grid{grid-template-columns:1fr}.nav-section{display:none}}
@media(max-width:390px){.shell{width:calc(100% - 2rem)}.header-inner{gap:.5rem}.site-header nav{gap:.55rem}.site-header nav a{font-size:.84rem}.footer{align-items:flex-start;flex-direction:column}.tiles{gap:3px}}

/* Public presentation */
:root{
 --ink:#102f32;
 --muted:#486269;
 --cream:#f8f6ee;
 --teal:#145b53;
 --line:#d6e3da;
 --pale:#e9f3eb;
 --gold:#ffdb86;
 --shadow:0 18px 44px #12382e12;
}
html{scroll-padding-top:5.5rem}
.shell{width:min(1200px,calc(100% - 3.5rem))}
.site-header{position:sticky;top:0;z-index:3;background:#f8f6eef5;backdrop-filter:blur(14px)}
.site-header nav a,.product-index a{text-decoration:none}
.site-header nav a:hover,.text-link:hover{text-decoration:underline}
.header-inner{min-height:76px}
.nav-trial{display:inline-flex;align-items:center;min-height:42px;padding:.35rem .85rem;border-radius:.65rem;background:#dcece0;color:#184e43;font-weight:800}
.hero-stage{position:relative;isolation:isolate;overflow:hidden;background:radial-gradient(ellipse at 80% 30%,#276c62 0,transparent 56%),linear-gradient(135deg,#102f32,#123f43);color:#fff9ea}
.hero-stage::before{position:absolute;z-index:-1;inset:0;content:"";background:radial-gradient(ellipse at 0 100%,#194f4860,transparent 70%)}
.hero{grid-template-columns:minmax(0,1fr) minmax(0,.93fr);gap:clamp(2rem,5vw,5.5rem);padding-block:clamp(3.2rem,7vw,6.5rem)}
.hero h1{font-size:clamp(3rem,6.2vw,6.1rem);letter-spacing:-.055em;line-height:.99;text-wrap:initial}
.hero h1 em{display:block;color:var(--gold);font-weight:inherit}
.hero .eyebrow{color:#bce2ce;margin-bottom:1.25rem}
.hero .lede{color:#e1eee7;margin-top:1.5rem}
.hero .fine{color:#c4ded5;margin-top:.9rem}
.hero .actions{margin-top:1.85rem}
.hero-cta,.trial .light{gap:.75rem;background:var(--gold);color:#25362f;box-shadow:0 8px 22px #091e2529}
.hero-cta:hover,.trial .light:hover{background:#ffe9ad}
.hero-cta span{font-size:1.2em}
.hero-art{position:relative;isolation:isolate;border:1px solid #ffffff50;padding:7px;border-radius:2.1rem;background:#ffffff24;box-shadow:0 24px 60px #061d2780}
.hero-art img{border-radius:1.65rem}
.hero-art figcaption{position:absolute;inset:auto 1.15rem 1.15rem;padding:.65rem .85rem;border-radius:.75rem;background:#102f32eb;color:#fff9ea;font-weight:750;text-align:center}
.product-index{justify-content:center;margin-top:0;padding-block:1.1rem;border:0}
.product-index a{background:transparent;border-color:#c8d9ce}
.product-index a:hover{background:var(--pale);border-color:#83ac98}
h2{letter-spacing:-.04em}
.product-section,.family-section,.faq{padding-block:clamp(3.25rem,7vw,6.1rem)}
.product-split{align-items:center}
.demo-section,.product-band{background:linear-gradient(150deg,#e3f0e8,#eef5ed)}
.demo,.example-panel,.feature-grid article{box-shadow:var(--shadow);border-color:#d8e4db}
.demo,.example-panel{border-radius:1.4rem}
.lesson-sample{border-top:4px solid #6a9d85}
.help-sample{border-top:4px solid #daa754}
.report-sample{border-top:4px solid #559a89}
.feature-grid article{padding:clamp(1.2rem,2.5vw,1.8rem)}
.feature-grid .eyebrow{margin-bottom:.5rem}
.example-panel summary,.examples summary{list-style-position:inside}
.example-panel details[open] summary,.examples details[open] summary{color:var(--ink)}
.tiles span{transform-origin:center;transition:background-color .28s ease,border-color .28s ease,border-radius .28s ease,transform .28s ease}
.demo.is-grouped .tiles span{transform:scaleY(.86)}
.report-chart{margin:1rem 0;padding:.8rem .75rem .65rem;border:1px solid var(--line);border-radius:.9rem}
.report-chart figcaption{font-weight:750;font-size:.87rem}
.report-bars{display:grid;grid-template-columns:repeat(14,minmax(0,1fr));align-items:end;gap:4px;height:65px;margin-top:.3rem;border-bottom:1px solid var(--line)}
.report-bars span{height:calc(3px + var(--bar) * 18px);border-radius:3px 3px 0 0;background:#4c9b82;transform-origin:bottom}
.report-axis{display:flex;justify-content:space-between;color:var(--muted);font-size:.76rem;padding-top:.25rem}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.trial{background:radial-gradient(ellipse at right,#24685c,transparent 65%),#11373b;box-shadow:0 22px 50px #193c352b}
.footer{padding-block:1.6rem}
@media(prefers-reduced-motion:no-preference){
 html{scroll-behavior:smooth}
 .button,.nav-trial,.product-index a,.feature-grid article{transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease}
 .button:hover,.nav-trial:hover{transform:translateY(-2px)}
 .button:active{transform:translateY(1px)}
 .feature-grid article:hover{transform:translateY(-3px);box-shadow:0 18px 42px #12382e20}
 .hero-copy{animation:land-in .65s ease-out both}
 .hero-art{animation:land-in .85s .06s ease-out both}
 .motion-enter{animation:section-in .55s ease-out both}
 .report-chart.motion-enter .report-bars span{animation:bar-in .68s ease-out both}
 .report-chart.motion-enter .report-bars span:nth-child(3n+2){animation-delay:.06s}
 .report-chart.motion-enter .report-bars span:nth-child(3n){animation-delay:.12s}
 .demo.is-grouped .demo-result{animation:answer-in .32s ease-out}
 @keyframes land-in{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
 @keyframes section-in{from{opacity:.72;transform:translateY(11px)}to{opacity:1;transform:none}}
 @keyframes bar-in{from{transform:scaleY(.2)}to{transform:scaleY(1)}}
 @keyframes answer-in{from{transform:scale(.97)}to{transform:scale(1)}}
}
@media(prefers-reduced-motion:reduce){.tiles span{transition:none}}
@media(max-width:760px){
 .shell{width:calc(100% - 2rem)}
 .hero{grid-template-columns:minmax(0,1fr);gap:1.75rem;padding-block:2.65rem 2rem}
 .hero h1{font-size:clamp(2.7rem,10vw,4.25rem)}
 .hero-art{max-width:34rem;justify-self:center;width:100%}
 .product-index{justify-content:flex-start}
 .header-inner{min-height:64px}
 .header-inner nav{justify-content:flex-end}
}
@media(max-width:390px){
 .header-inner .wordmark{font-size:1.05rem}
 .header-inner nav{gap:.3rem}
 .header-inner .login,.nav-trial{padding-inline:.45rem}
 .hero-art figcaption{font-size:.84rem}
}

.hero-age{margin-top:1.25rem;color:#c5ead6;font-weight:800;font-size:clamp(1rem,2vw,1.18rem)}
.hero .hero-age+.lede{margin-top:.7rem}
.age-examples{margin-top:2rem}
.age-examples a{display:inline-block;margin-top:.75rem;font-weight:750;color:var(--teal)}
.age-examples details{margin-top:.75rem;border-top:1px solid var(--line);padding-top:.5rem}
.age-examples summary{color:var(--teal);font-weight:750;cursor:pointer}
.pricing-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin:1.25rem 0}
.pricing-grid article:nth-child(2){border-top:4px solid #559a89;background:#f2f8f1}
.plan-price{color:var(--teal);font-size:clamp(1.65rem,4vw,2.5rem);line-height:1.15;font-weight:850;font-variant-numeric:tabular-nums}
@media(max-width:540px){.pricing-grid{grid-template-columns:1fr}}

.practice-guide{max-width:780px}
.practice-guide h1{font-size:clamp(2.45rem,6vw,4.2rem)}
.practice-guide article{margin-block:1.2rem}
.practice-guide article h2{font-size:clamp(1.65rem,4vw,2.3rem)}

.hero .beta-note{margin:0 0 1rem;color:#d9ebdf;font-size:.88rem;max-width:58ch}
.hero .beta-note strong{color:var(--gold)}