:root{
  --bg:#f7f8f5; --paper:#ffffff; --ink:#18222f; --muted:#566272;
  --blue:#2347d8; --blue-d:#1a36a8; --blue-soft:#e6ebfb; --hl:#ffe45c; --red:#d3342b;
  --line:#d8dde2;
  --f-disp:'Unbounded','Golos Text',system-ui,sans-serif;
  --f-text:'Golos Text',system-ui,-apple-system,'Segoe UI',sans-serif;
  --f-hand:'Caveat','Segoe Script',cursive;
  --col:68ch; --gut:clamp(16px,4vw,40px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.0625rem/1.65 var(--f-text);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:var(--blue);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--blue-d);text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:50}
.skip:focus{left:8px;top:8px}
.wrap{width:min(1180px,100% - 2*var(--gut));margin-inline:auto}

/* type */
h1,h2,h3{font-family:var(--f-disp);font-weight:600;letter-spacing:-.02em;line-height:1.12;margin:0 0 .6em;text-wrap:balance}
h1{font-size:clamp(2.1rem,6.2vw,4.4rem);line-height:1.04}
h2{font-size:clamp(1.55rem,3.4vw,2.35rem);margin-top:0}
h3{font-size:1.15rem;letter-spacing:-.01em;line-height:1.25}
p{margin:0 0 1.1em}
.lede{font-size:clamp(1.15rem,2vw,1.4rem);line-height:1.5;max-width:44ch;color:var(--ink)}
.small{font-size:.9rem;color:var(--muted)}
ul,ol{padding-left:1.2em;margin:0 0 1.2em}
li{margin-bottom:.4em}
li::marker{color:var(--blue)}
.mark{background:linear-gradient(transparent 58%,var(--hl) 58%,var(--hl) 94%,transparent 94%);padding:0 .08em;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.hand{font-family:var(--f-hand);color:var(--blue);font-weight:500;font-size:1.55rem;line-height:1.15}

/* header */
.top{border-bottom:1px solid var(--line);background:var(--bg);position:sticky;top:0;z-index:20}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:64px}
.logo{white-space:nowrap;font-family:var(--f-disp);font-weight:700;font-size:1.02rem;color:var(--ink);text-decoration:none;letter-spacing:-.02em;position:relative;padding-bottom:4px}
.logo svg{position:absolute;left:0;bottom:-4px;width:100%;height:8px}
.nav{display:flex;gap:clamp(.8rem,1.6vw,1.6rem);list-style:none;margin:0;padding:0}
.nav li{margin:0}
.nav a{white-space:nowrap;color:var(--ink);text-decoration:none;font-size:.95rem;font-weight:500;padding:.4rem 0;border-bottom:2px solid transparent}
.nav a:hover{border-color:var(--hl);color:var(--ink)}
.nav a[aria-current=page]{border-color:var(--blue);color:var(--blue)}
.burger{display:none;background:none;border:1.5px solid var(--ink);border-radius:8px;padding:.45rem .8rem;font:500 .95rem var(--f-text);color:var(--ink);cursor:pointer}
@media (max-width:1100px){
  .burger{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:.5rem var(--gut) 1rem}
  .nav.open{display:flex}
  .nav a{display:block;padding:.75rem 0;font-size:1.05rem;border-bottom:1px solid var(--line)}
}

/* squared-paper surface */
.sheet{background-color:var(--paper);background-image:linear-gradient(var(--blue-soft) 1px,transparent 1px),linear-gradient(90deg,var(--blue-soft) 1px,transparent 1px);background-size:28px 28px;background-position:-1px -1px}

/* hero */
.hero{padding:clamp(2.5rem,7vw,5.5rem) 0 clamp(2rem,5vw,4rem);border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(1.5rem,5vw,4rem);align-items:center}
.hero h1{margin-bottom:.5em}
.hero .mark{background-image:linear-gradient(var(--hl),var(--hl));background-repeat:no-repeat;background-position:0 82%;background-size:0% 38%;animation:draw .9s .35s cubic-bezier(.6,.1,.2,1) forwards}
@keyframes draw{to{background-size:100% 38%}}
.page-hero{padding:clamp(2.5rem,6vw,4.5rem) 0 clamp(1.5rem,3vw,2.5rem)}
.page-hero .wrap{display:grid;grid-template-columns:minmax(0,var(--col)) 1fr;gap:3rem;align-items:end}
.page-hero h1{font-size:clamp(1.9rem,4.8vw,3.4rem)}
.crumb{font-size:.9rem;color:var(--muted);margin-bottom:1.2rem}
.crumb a{color:var(--muted)}

/* rows: main text + margin note */
.row{display:grid;grid-template-columns:minmax(0,var(--col)) minmax(0,1fr);gap:clamp(1.5rem,4vw,4rem);padding-block:clamp(2rem,5vw,3.5rem)}
.row + .row{border-top:1px solid var(--line)}
.note{align-self:start;font-family:var(--f-hand);color:var(--blue);font-size:1.6rem;line-height:1.15;transform:rotate(-1.5deg);max-width:22ch;padding-top:.3rem}
.note svg{width:70px;height:40px;margin-top:.3rem;stroke:var(--blue);fill:none}
.note.red{color:var(--red)}
.note.red svg{stroke:var(--red)}
@media (max-width:860px){
  .hero .wrap,.page-hero .wrap,.row{grid-template-columns:minmax(0,1fr)}
  .note{transform:none;max-width:none;border-left:3px solid var(--blue);padding-left:.8rem;font-size:1.4rem}
  .note.red{border-color:var(--red)}
  .note svg{display:none}
  .page-hero .wrap{gap:1rem}
}

/* quote */
.quote{margin:2rem 0;padding:1.4rem 1.6rem;border-left:4px solid var(--blue);background:var(--paper);font-size:1.2rem;line-height:1.5}
.quote cite{display:block;margin-top:.6rem;font-style:normal;font-size:.9rem;color:var(--muted)}

/* nav list on home */
.toc{list-style:none;margin:0;padding:0;border-top:2px solid var(--ink)}
.toc li{margin:0;border-bottom:1px solid var(--line)}
.toc a{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr) auto;gap:1.5rem;align-items:baseline;padding:1.3rem .4rem;text-decoration:none;color:var(--ink);transition:background .15s,padding .15s}
.toc a:hover{background:var(--hl);padding-left:1rem}
.toc .t{font-family:var(--f-disp);font-weight:600;font-size:1.15rem;letter-spacing:-.015em}
.toc .d{color:var(--muted)}
.toc a:hover .d{color:var(--ink)}
.toc .who{font-family:var(--f-hand);font-size:1.4rem;color:var(--blue);white-space:nowrap}
@media (max-width:760px){.toc a{grid-template-columns:minmax(0,1fr);gap:.2rem}.toc .who{order:-1}}

.doors{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:2rem}
.door{display:block;text-decoration:none;color:var(--ink);padding:1.2rem 1.3rem;border:2px solid var(--ink);border-radius:14px 14px 14px 3px;background:var(--paper);transition:transform .15s,box-shadow .15s}
.door:hover{transform:translate(-3px,-3px);box-shadow:5px 5px 0 var(--ink);color:var(--ink)}
.door b{display:block;font-family:var(--f-disp);font-weight:600;font-size:1.05rem;margin-bottom:.2rem}
.door span{color:var(--muted);font-size:.95rem}
.door.alt{background:var(--hl)}
.door.alt span{color:var(--ink)}
@media (max-width:560px){.doors{grid-template-columns:minmax(0,1fr)}}

/* widget: James */
.widget{background:var(--paper);border:2px solid var(--ink);border-radius:16px;padding:1.4rem;box-shadow:6px 6px 0 var(--blue)}
.widget h3{margin-bottom:.2rem}
.formula{font-family:var(--f-disp);font-size:1.05rem;display:flex;align-items:center;gap:.7rem;flex-wrap:wrap;margin:.8rem 0 1.2rem}
.frac{display:inline-flex;flex-direction:column;align-items:center;line-height:1.2;font-size:.85rem}
.frac i{display:block;width:100%;height:2px;background:var(--ink);margin:3px 0}
.ctl{display:block;margin-bottom:1rem}
.ctl span{display:flex;justify-content:space-between;font-weight:500;font-size:.95rem}
input[type=range]{width:100%;accent-color:var(--blue);height:28px}
.meter{height:18px;border:2px solid var(--ink);border-radius:10px;background:var(--bg);overflow:hidden;margin:.4rem 0 .6rem}
.meter div{height:100%;background:var(--blue);transition:width .25s ease,background .25s}
.verdict{min-height:4.4em;font-size:.98rem;margin:0}
.verdict b{background:linear-gradient(transparent 58%,var(--hl) 58%)}

/* stages (a real sequence) */
.stages{list-style:none;margin:0;padding:0;counter-reset:st;position:relative}
.stages::before{content:"";position:absolute;left:15px;top:8px;bottom:8px;width:2px;background:var(--blue)}
.stages li{position:relative;padding:0 0 2.6rem 3.4rem;margin:0}
.stages li::before{counter-increment:st;content:counter(st);position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;background:var(--bg);border:2px solid var(--blue);color:var(--blue);display:grid;place-items:center;font:600 .9rem var(--f-disp)}
.age{font-family:var(--f-hand);font-size:1.55rem;color:var(--blue);line-height:1;display:block;margin-bottom:.15rem}
.stages h3{margin-bottom:.4rem}

/* theory blocks */
.theory{padding-block:clamp(2rem,4vw,3rem);border-top:1px solid var(--line)}
.theory header{display:flex;flex-wrap:wrap;align-items:baseline;gap:.4rem 1rem;margin-bottom:.6rem}
.theory header h3{margin:0;font-size:1.35rem}
.theory .yr{font-family:var(--f-hand);font-size:1.35rem;color:var(--muted)}
.idea{font-size:1.15rem;line-height:1.5}
.life{margin-top:1rem;padding:.8rem 1rem;background:var(--blue-soft);border-radius:10px 10px 10px 2px;font-size:.98rem}
.life b{font-family:var(--f-hand);font-size:1.3rem;color:var(--blue);font-weight:600;margin-right:.3rem}

/* two columns lists */
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3rem)}
@media (max-width:760px){.cols2{grid-template-columns:1fr}}
.pro,.con{padding-top:.9rem;border-top:3px solid var(--blue)}
.con{border-color:var(--red)}
.con li::marker{color:var(--red)}
.pro h3,.con h3{font-size:1rem}

/* influence rows */
.infl{list-style:none;padding:0;margin:0}
.infl>li{display:grid;grid-template-columns:minmax(0,13rem) minmax(0,1fr);gap:1.5rem;padding:1.8rem 0;border-top:1px solid var(--line);margin:0}
.infl>li:last-child{border-bottom:1px solid var(--line)}
.infl h3{font-size:1.25rem;margin:0}
.infl h3 small{display:block;font:500 .9rem var(--f-text);color:var(--muted);letter-spacing:0;margin-top:.3rem}
@media (max-width:700px){.infl>li{grid-template-columns:1fr;gap:.5rem}}

/* chart */
.chart{background:var(--paper);border:2px solid var(--ink);border-radius:16px;padding:1.4rem 1.4rem 1rem;position:relative}
.chart h3{font-size:1.05rem;margin-bottom:1rem}
.bar{display:grid;grid-template-columns:minmax(7rem,12rem) 1fr 3rem;gap:.8rem;align-items:center;margin-bottom:.7rem;font-size:.95rem}
.bar .track{height:22px;background:var(--bg);border-radius:4px;overflow:hidden;border:1px solid var(--line)}
.bar .fill{height:100%;background:var(--blue);width:0;transition:width 1s cubic-bezier(.2,.7,.2,1)}
.bar b{text-align:right;font-variant-numeric:tabular-nums}
.sample-flag{display:none;position:absolute;right:-.5rem;top:-1.4rem;transform:rotate(3deg);background:var(--red);color:#fff;font:600 1.2rem var(--f-hand);padding:.15rem .8rem;border-radius:4px}
.chart.is-sample .sample-flag{display:block}
@media (max-width:560px){.bar{grid-template-columns:1fr 3rem}.bar .track{grid-column:1/-1;order:3}}

/* parents: instead / better */
.swap{width:100%;border-collapse:collapse;margin:1rem 0 1.5rem;font-size:1rem}
.swap th{font:600 .95rem var(--f-text);text-align:left;padding:.6rem .8rem;border-bottom:2px solid var(--ink)}
.swap td{padding:.9rem .8rem;border-bottom:1px solid var(--line);vertical-align:top}
.swap td:first-child{color:var(--muted);text-decoration:line-through;text-decoration-color:var(--red);text-decoration-thickness:2px;width:44%}
.swap td:last-child{font-weight:500}
.swap td:last-child span{display:block;font-weight:400;color:var(--muted);font-size:.9rem;margin-top:.15rem}
@media (max-width:600px){.swap td:first-child{width:auto}.swap,.swap tbody,.swap tr,.swap td{display:block}.swap thead{display:none}.swap td{border:0;padding:.2rem 0}.swap tr{padding:.8rem 0;border-bottom:1px solid var(--line)}}

.say{list-style:none;padding:0}
.say li{padding:.7rem 1rem .7rem 1.2rem;margin:0 0 .6rem;border-left:4px solid var(--hl);background:var(--paper);font-weight:500}

/* signs / details */
details{border-top:1px solid var(--line);padding:0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;list-style:none;padding:1.1rem 2.5rem 1.1rem 0;font-family:var(--f-disp);font-weight:600;font-size:1.05rem;position:relative;letter-spacing:-.01em}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:.4rem;top:50%;transform:translateY(-50%);font:400 1.8rem var(--f-text);color:var(--blue);transition:transform .2s}
details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
details .inner{padding:0 0 1.3rem}
.alert{border:2px solid var(--ink);border-radius:16px;padding:1.4rem 1.5rem;background:var(--hl)}
.alert h3{margin-bottom:.5rem}
.phone{font-family:var(--f-disp);font-weight:700;font-size:clamp(1.5rem,4vw,2.2rem);letter-spacing:-.02em;display:block;margin:.3rem 0}
.phone a{color:var(--ink);text-decoration:none;border-bottom:3px solid var(--ink)}

/* practice */
.ex{list-style:none;padding:0;margin:0}
.ex>li{display:grid;grid-template-columns:auto minmax(0,1fr);gap:1.2rem;padding:2rem 0;border-top:1px solid var(--line);margin:0}
.ex>li:last-child{border-bottom:1px solid var(--line)}
.ex .chk{width:30px;height:30px;accent-color:var(--blue);margin-top:.2rem;cursor:pointer}
.ex h3{margin-bottom:.4rem}
.ex .time{font-family:var(--f-hand);font-size:1.35rem;color:var(--blue);margin-left:.5rem;font-weight:500}
.ex li.done h3{text-decoration:line-through;text-decoration-color:var(--blue);text-decoration-thickness:2px;color:var(--muted)}
.progress{font-family:var(--f-hand);font-size:1.6rem;color:var(--blue)}
.deck{background:var(--ink);color:#fff;border-radius:16px;padding:clamp(1.5rem,4vw,2.5rem);min-height:230px;display:flex;flex-direction:column;justify-content:space-between;gap:1.5rem}
.deck q{font-family:var(--f-disp);font-weight:500;font-size:clamp(1.2rem,2.6vw,1.7rem);line-height:1.3;quotes:none;letter-spacing:-.015em}
.btn{display:inline-block;align-self:flex-start;background:var(--hl);color:var(--ink);border:2px solid var(--ink);border-radius:10px;padding:.65rem 1.2rem;font:600 1rem var(--f-text);cursor:pointer;text-decoration:none;transition:transform .12s,box-shadow .12s}
.btn:hover{transform:translate(-2px,-2px);box-shadow:3px 3px 0 var(--ink);color:var(--ink)}
.deck .btn{border-color:var(--hl)}
.deck .btn:hover{box-shadow:3px 3px 0 var(--hl)}
textarea{width:100%;min-height:150px;font:400 1.05rem/1.7 var(--f-text);color:var(--ink);border:2px solid var(--ink);border-radius:12px;padding:1rem;background-color:var(--paper);resize:vertical}
label.lbl{display:block;font-weight:600;margin-bottom:.4rem}
.saved{font-family:var(--f-hand);font-size:1.3rem;color:var(--blue);opacity:0;transition:opacity .3s;margin-left:.6rem}
.saved.on{opacity:1}

.rog{display:block;width:100%;height:auto}

/* footer */
.foot{margin-top:clamp(3rem,7vw,6rem);background:var(--ink);color:#dfe5ee;padding:clamp(2.5rem,5vw,4rem) 0 2rem}
.foot a{color:#fff}
.foot .grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:2.5rem}
.foot h4{font:600 1rem var(--f-disp);margin:0 0 .8rem;color:#fff;letter-spacing:-.01em}
.foot p,.foot li{font-size:.95rem;line-height:1.55}
.foot ul{list-style:none;padding:0}
.foot li::marker{content:""}
.foot .src li{margin-bottom:.55rem}
.foot .legal{margin-top:2.5rem;padding-top:1.2rem;border-top:1px solid rgba(255,255,255,.2);font-size:.85rem;color:#a9b4c4}
@media (max-width:860px){.foot .grid{grid-template-columns:1fr}}

.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:1rem;padding-block:2.5rem 0}
.prev-next a{display:block;padding:1.1rem 1.3rem;border:2px solid var(--ink);border-radius:12px;color:var(--ink);text-decoration:none;font-family:var(--f-disp);font-weight:600;letter-spacing:-.01em}
.prev-next a small{display:block;font:400 .85rem var(--f-text);color:var(--muted);margin-bottom:.2rem;letter-spacing:0}
.prev-next a:hover{background:var(--hl);color:var(--ink)}
.prev-next a:last-child{text-align:right}
.prev-next a:only-child{grid-column:2}
@media (max-width:560px){.prev-next{grid-template-columns:1fr}.prev-next a:only-child{grid-column:1}}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}
@media print{
  .top,.foot,.prev-next,.btn,.burger{display:none!important}
  body{background:#fff}
}