/* ÉCHO · Studio ERIĀ */
:root{
  --ink:#2A1C15;--choco:#43302A;--brand:#926E5C;--brand-2:#B08A74;
  --cream:#F5EEE4;--paper:#FBF7F1;--sand:#E8DCCD;--line:rgba(42,28,21,.14);
  --ok:#5E7A52;--warn:#B8743A;
  --display:"Bodoni Moda",Didot,"Times New Roman",serif;
  --serif:"Lora",Georgia,serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --r:14px;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--brand)}
.wrap{max-width:1120px;margin:0 auto;padding-inline:24px}
.narrow{max-width:760px;margin:0 auto;padding-inline:24px}
.eyebrow{font:600 12px/1 var(--sans);letter-spacing:.18em;text-transform:uppercase;color:var(--brand)}
h1,h2,h3{font-family:var(--display);font-weight:500;line-height:1.1;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(40px,7vw,84px)}
h2{font-size:clamp(30px,4.4vw,52px)}
h3{font-size:clamp(22px,2.4vw,28px)}
em.i{font-style:italic;color:var(--brand)}
p{margin:0 0 1em}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:16px 28px;border-radius:999px;border:1px solid var(--ink);background:var(--ink);color:var(--cream);font:600 15px/1 var(--sans);letter-spacing:.02em;text-decoration:none;cursor:pointer;transition:transform .2s,background .2s}
.btn:hover{transform:translateY(-2px);background:var(--choco)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--cream)}
.btn.light{background:var(--cream);color:var(--ink);border-color:var(--cream)}
.btn.brand{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.brand:hover{background:#7d5c4c}
.btn.block{width:100%}

/* Top bar */
.topbar{position:sticky;top:0;z-index:50;background:rgba(251,247,241,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{font-family:var(--display);font-size:22px;color:var(--ink);text-decoration:none;letter-spacing:.02em}
.logo small{font-family:var(--sans);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--brand);margin-left:10px}
.topbar nav{display:flex;gap:22px;align-items:center}
.topbar nav a{color:var(--ink);text-decoration:none;font-size:14px}
.topbar nav a.btn{color:var(--cream);padding:10px 18px;font-size:13px}
@media(max-width:720px){.topbar nav a:not(.btn){display:none}}

/* Sales page */
.hero{background:var(--ink);color:var(--cream);padding-block:96px 110px;position:relative;overflow:hidden}
.hero .eyebrow{color:var(--brand-2)}
.hero h1{color:var(--cream);max-width:15ch}
.hero h1 em{color:var(--brand-2)}
.hero .lead{font-family:var(--serif);font-size:clamp(19px,2.2vw,23px);max-width:40ch;color:#E9DED0;margin:28px 0 40px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-chat{margin-top:64px;max-width:620px;background:#35251D;border:1px solid rgba(245,238,228,.12);border-radius:20px;padding:22px}
.bubble{padding:14px 18px;border-radius:16px;font-size:15px;line-height:1.5;margin-bottom:12px;max-width:92%}
.bubble.me{background:var(--brand);color:#fff;margin-left:auto;border-bottom-right-radius:4px}
.bubble.ai{background:#4A372D;color:#EFE5D8;border-bottom-left-radius:4px}
.bubble.ai b{color:#fff}
.typing{opacity:.6;font-size:13px;color:#cbbba9}
.big-echo{position:absolute;right:-2vw;bottom:-5vw;font-family:var(--display);font-style:italic;font-size:32vw;line-height:.8;color:rgba(245,238,228,.04);pointer-events:none;user-select:none}

section{padding-block:96px}
section.alt{background:var(--cream)}
section.dark{background:var(--ink);color:var(--cream)}
section.dark h2{color:var(--cream)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin-top:40px}
.stat{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:28px}
.stat .n{font-family:var(--display);font-size:64px;line-height:1;color:var(--brand)}
.stat p{margin:.6em 0 .8em}
.stat cite{font-size:12px;color:#7a6a60;font-style:normal}
.prose{font-family:var(--serif);font-size:19px;line-height:1.7}
.prose p{margin-bottom:1.1em}
.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:40px}
.pillar{border-top:1px solid rgba(245,238,228,.25);padding-top:22px}
.pillar .l{font-family:var(--display);font-size:72px;line-height:1;color:var(--brand-2)}
.pillar h3{color:var(--cream);margin-top:10px}
.pillar p{color:#DCCFBF}
.modules{counter-reset:m;display:grid;gap:12px;margin-top:40px}
.mod{display:grid;grid-template-columns:90px 1fr;gap:20px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.mod .k{font-family:var(--display);font-size:40px;color:var(--brand);line-height:1}
.mod h3{margin-bottom:.3em}
.mod ul{margin:.4em 0 0;padding-left:18px;color:#5b4b42;font-size:15px}
@media(max-width:560px){.mod{grid-template-columns:1fr}}
.gets{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-top:36px}
.get{padding:22px;border:1px solid var(--line);border-radius:var(--r);background:#fff}
.get b{display:block;font-family:var(--display);font-size:22px;font-weight:500;margin-bottom:6px}
.twocol{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:32px}
@media(max-width:760px){.twocol{grid-template-columns:1fr}}
.list-yes li,.list-no li{margin-bottom:10px}
.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px}
.pricing{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:44px;align-items:stretch}
@media(max-width:820px){.pricing{grid-template-columns:1fr}}
.price{background:var(--paper);color:var(--ink);border-radius:22px;padding:36px;display:flex;flex-direction:column;border:1px solid var(--line)}
.price.feat{background:var(--cream);border:2px solid var(--brand)}
.price .tag{align-self:flex-start;font:600 11px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;background:var(--ink);color:var(--cream);padding:8px 12px;border-radius:999px;margin-bottom:18px}
.price .amt{font-family:var(--display);font-size:72px;line-height:1;margin:.1em 0}
.price .amt small{font-family:var(--sans);font-size:15px;color:#6b5a50}
.price ul{padding-left:0;list-style:none;margin:20px 0 28px;flex:1}
.price li{padding:9px 0 9px 28px;border-bottom:1px solid var(--line);position:relative;font-size:15px}
.price li:before{content:"";position:absolute;left:4px;top:16px;width:10px;height:6px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(-45deg)}
.price .note{font-size:12.5px;color:#6b5a50;margin-top:12px;text-align:center}
.scarcity{display:flex;gap:12px;align-items:center;justify-content:center;margin-top:28px;font-size:14px;color:#DCCFBF;flex-wrap:wrap;text-align:center}
.dot{width:8px;height:8px;border-radius:50%;background:#E0A36C;box-shadow:0 0 0 0 rgba(224,163,108,.6);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(224,163,108,0)}100%{box-shadow:0 0 0 0 rgba(224,163,108,0)}}
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq summary{cursor:pointer;font-family:var(--display);font-size:22px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-family:var(--sans);color:var(--brand);font-size:24px;line-height:1}
.faq details[open] summary:after{content:"−"}
.faq details p{margin-top:12px;color:#4d3f37}
.author{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center}
.monogram{width:120px;height:120px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-family:var(--display);font-size:48px;font-style:italic}
@media(max-width:560px){.author{grid-template-columns:1fr}}
footer.site{background:var(--ink);color:#CDBFAF;padding-block:48px;font-size:14px}
footer.site a{color:#CDBFAF}
footer.site .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.dot{animation:none}}

/* Test page */
.quiz{max-width:720px;margin:0 auto}
.q{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;margin-bottom:14px}
.q h4{margin:0 0 12px;font:600 16px/1.4 var(--sans)}
.q label{display:flex;gap:10px;align-items:flex-start;padding:8px 10px;border-radius:10px;cursor:pointer;font-size:15px}
.q label:hover{background:var(--cream)}
.q input{margin-top:5px;accent-color:var(--brand)}
.progress{height:6px;background:var(--sand);border-radius:99px;overflow:hidden;margin:18px 0 30px}
.progress i{display:block;height:100%;width:0;background:var(--brand);transition:width .4s}
.result{background:var(--ink);color:var(--cream);border-radius:22px;padding:40px;text-align:center}
.result .score{font-family:var(--display);font-size:120px;line-height:1;color:var(--brand-2)}
.result h3{color:var(--cream)}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;text-align:left}
.field label{font-size:13px;font-weight:600}
.field input,.field textarea,.field select{font:15px var(--sans);padding:13px 14px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);width:100%}
.field textarea{min-height:90px;resize:vertical}

/* Members area */
.app{display:grid;grid-template-columns:300px 1fr;min-height:100vh}
.side{background:var(--ink);color:#D8CABA;padding:26px 20px;position:sticky;top:0;height:100vh;overflow:auto}
.side .logo{color:var(--cream);display:block;margin-bottom:6px}
.side .who{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-2);margin-bottom:22px}
.side a{color:#D8CABA;text-decoration:none}
.side .grp{margin-bottom:6px}
.side .grp > a{display:flex;justify-content:space-between;align-items:center;padding:9px 10px;border-radius:10px;font-size:14.5px;font-weight:500}
.side .grp > a:hover,.side .grp > a.on{background:rgba(245,238,228,.08);color:#fff}
.side .grp .ls{padding-left:10px;margin:2px 0 8px;display:none}
.side .grp.open .ls{display:block}
.side .ls a{display:flex;gap:8px;padding:5px 10px;font-size:13px;color:#BCAE9F;border-radius:8px}
.side .ls a:hover{color:#fff}
.side .ls a .c{width:14px;height:14px;border-radius:50%;border:1.5px solid #7c685b;flex:none;margin-top:3px}
.side .ls a.done .c{background:var(--brand-2);border-color:var(--brand-2)}
.side .bar{height:5px;background:rgba(245,238,228,.12);border-radius:9px;overflow:hidden;margin:6px 0 4px}
.side .bar i{display:block;height:100%;background:var(--brand-2);width:0}
.side .sep{border-top:1px solid rgba(245,238,228,.12);margin:16px 0}
.main{padding:48px 56px 120px;min-width:0}
.menu-btn{display:none}
@media(max-width:900px){
  .app{grid-template-columns:1fr}
  .side{position:fixed;inset:0 25% 0 0;z-index:80;transform:translateX(-102%);transition:transform .3s;height:100%}
  .side.show{transform:none;box-shadow:0 0 0 100vw rgba(0,0,0,.4)}
  .main{padding:24px 20px 100px}
  .menu-btn{display:inline-flex;position:sticky;top:12px;z-index:60;margin-bottom:12px;padding:10px 16px;font-size:13px}
}
.lesson{max-width:760px}
.lesson h1{font-size:clamp(38px,5vw,60px);margin-bottom:.2em}
.lesson h2{font-size:clamp(28px,3.4vw,40px);margin-top:1.8em;padding-top:1em;border-top:1px solid var(--line);scroll-margin-top:20px}
.lesson h3{margin-top:1.4em;font-size:24px}
.lesson h4{font:600 17px/1.4 var(--sans);margin:1.4em 0 .4em}
.lesson p,.lesson li{font-family:var(--serif);font-size:18px;line-height:1.75}
.lesson li{margin-bottom:.35em}
.lesson blockquote{margin:1.2em 0;padding:18px 22px;background:var(--cream);border-left:3px solid var(--brand);border-radius:0 12px 12px 0}
.lesson blockquote p{font-size:16.5px;margin-bottom:.5em}
.lesson code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86em;background:var(--cream);padding:2px 6px;border-radius:6px}
.lesson pre{position:relative;background:#2F221B;color:#F1E7DA;padding:22px 20px 20px;border-radius:14px;overflow:auto;white-space:pre-wrap;word-break:break-word;font-size:14px;line-height:1.6}
.lesson pre code{background:none;padding:0;color:inherit;font-size:14px}
.copy{position:absolute;top:10px;right:10px;background:var(--brand);color:#fff;border:0;border-radius:99px;padding:6px 12px;font:600 12px var(--sans);cursor:pointer}
.lesson em{color:#5b4b42}
.lesson hr{display:none}
.done-box{margin:28px 0 8px;padding:18px 20px;border:1px dashed var(--brand);border-radius:14px;display:flex;align-items:center;gap:14px;background:#fff}
.done-box input{width:22px;height:22px;accent-color:var(--brand)}
.done-box label{font-weight:600;cursor:pointer}
.pager{display:flex;justify-content:space-between;gap:12px;margin-top:60px;flex-wrap:wrap}
.pager a{flex:1;min-width:220px;border:1px solid var(--line);border-radius:14px;padding:18px;text-decoration:none;color:var(--ink);background:#fff}
.pager a small{display:block;color:var(--brand);font-size:12px;text-transform:uppercase;letter-spacing:.12em}
.pager a.next{text-align:right}
.dash-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin:28px 0}
.tile{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;text-decoration:none;color:var(--ink);display:block;transition:transform .2s}
.tile:hover{transform:translateY(-3px)}
.tile .k{font-family:var(--display);font-size:38px;color:var(--brand);line-height:1}
.tile b{display:block;font-family:var(--display);font-weight:500;font-size:22px;margin:.3em 0}
.tile span{font-size:14px;color:#6b5a50}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 26px}
.tabs button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 16px;font:600 13.5px var(--sans);cursor:pointer;color:var(--ink)}
.tabs button.on{background:var(--ink);color:var(--cream);border-color:var(--ink)}
.panel{display:none}.panel.on{display:block}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
@media(max-width:640px){.grid2{grid-template-columns:1fr}}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#fff}
table.t{border-collapse:collapse;width:100%;min-width:760px;font-size:14px}
table.t th,table.t td{border-bottom:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}
table.t th{background:var(--cream);font-size:12px;text-transform:uppercase;letter-spacing:.06em}
table.t td input[type=text]{width:100%;border:1px solid var(--line);border-radius:8px;padding:6px 8px;font:13px var(--sans)}
table.t input[type=checkbox]{accent-color:var(--brand);width:18px;height:18px}
.scorebox{display:flex;gap:24px;align-items:center;background:var(--ink);color:var(--cream);padding:24px 28px;border-radius:18px;margin:18px 0;flex-wrap:wrap}
.scorebox .n{font-family:var(--display);font-size:72px;line-height:1;color:var(--brand-2)}
.chk{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border-bottom:1px solid var(--line);font-size:15px;cursor:pointer;background:#fff}
.chk input{margin-top:4px;accent-color:var(--brand);width:18px;height:18px;flex:none}
.chk .pts{margin-left:auto;font-weight:600;color:var(--brand);white-space:nowrap}
.pill{display:inline-block;background:var(--cream);border:1px solid var(--line);border-radius:99px;padding:4px 10px;font-size:12px;margin:2px}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--cream);padding:12px 18px;border-radius:99px;font-size:14px;opacity:0;transition:opacity .3s;z-index:99;pointer-events:none}
.toast.on{opacity:1}
@media print{.side,.menu-btn,.pager,.done-box,.copy{display:none!important}.app{display:block}.main{padding:0}}

#result,#prompts,section[id]{scroll-margin-top:80px}