:root{
  --paper:#f6f3ec; --paper-2:#ede8dc; --white:#fff;
  --ink:#14213d; --ink-2:#414b63; --muted:#5b6479;
  --blue:#1a5fb4; --blue-d:#134a8f; --ochre:#7d5709; --rule:#cfc8b8; --rule-2:#e4dfd2;
  --serif:"Iowan Old Style","Palatino Linotype","Book Antiqua",Palatino,Georgia,"Times New Roman",serif;
  --sans:"Helvetica Neue",Helvetica,Arial,"Segoe UI",system-ui,sans-serif;
  --wrap:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--sans)}
img{display:block;max-width:100%;height:auto}
a{color:var(--blue)}
a:hover{color:var(--blue-d)}
h1,h2,h3,h4{font-family:var(--serif);font-weight:500;line-height:1.15;margin:0 0 .6rem;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,4.6vw,3.6rem)}
h2{font-size:clamp(1.7rem,3vw,2.4rem)}
h3{font-size:1.35rem}
p{margin:0 0 1rem}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(16px,3vw,32px)}
.small{font-size:.875rem}
.muted{color:var(--muted)}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.5rem 1rem;z-index:99}
.skip:focus{left:8px;top:8px}
.hp{position:absolute;left:-9999px}

/* label — the recurring journal device */
.lab{font:600 .72rem/1.2 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--ochre);display:block;margin-bottom:.6rem}
.fig{font:italic .85rem/1.4 var(--serif);color:var(--ink-2);padding:.55rem 0;border-top:1px solid var(--rule)}
.fig b{font-style:normal;font-weight:600;color:var(--ink)}

/* masthead */
.masthead-rule{border-bottom:1px solid var(--rule);background:var(--paper-2)}
.masthead-rule .wrap{display:flex;justify-content:space-between;gap:1rem;font:.72rem/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);padding-top:.55rem;padding-bottom:.55rem}
.masthead{border-bottom:2px solid var(--ink);background:var(--paper)}
.masthead-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-top:.9rem;padding-bottom:.9rem}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--ink)}
.brand img{width:44px;height:44px}
.brand-word{font:600 1.35rem/1 var(--serif);letter-spacing:.08em}
.brand-sub{font:.75rem/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);border-left:1px solid var(--rule);padding-left:.7rem}
.nav{display:flex;gap:1.6rem;align-items:center;font-size:.95rem}
.nav a{color:var(--ink);text-decoration:none;padding:.3rem 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current]{border-bottom-color:var(--blue)}
.cart-link b{background:var(--ink);color:#fff;border-radius:999px;padding:.05rem .5rem;font-size:.8rem;margin-left:.2rem}

/* buttons */
.btn{display:inline-block;font:600 .95rem/1 var(--sans);padding:.85rem 1.35rem;border:1.5px solid var(--ink);color:var(--ink);background:transparent;text-decoration:none;cursor:pointer;border-radius:2px;transition:background .15s,color .15s}
.btn:hover{background:var(--ink);color:#fff}
.btn-solid{background:var(--ink);color:#fff}
.btn-solid:hover{background:var(--blue-d);border-color:var(--blue-d)}
.btn-blue{background:var(--blue);border-color:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-d);border-color:var(--blue-d)}
.btn[disabled]{opacity:.55;cursor:wait}
.link-arrow{font-weight:600;text-decoration:none}
.link-arrow::after{content:" →"}

/* hero */
.hero{border-bottom:1px solid var(--rule)}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(1.5rem,4vw,4rem);align-items:stretch;padding-top:0;padding-bottom:0}
.hero-text{padding:clamp(2.2rem,5vw,4.5rem) 0}
.hero-text .stand{font:1.2rem/1.55 var(--serif);color:var(--ink-2);max-width:34rem}
.hero-cta{display:flex;gap:1rem;flex-wrap:wrap;align-items:center;margin-top:1.6rem}
.hero-meta{display:flex;gap:2rem;margin-top:2.2rem;padding-top:1.2rem;border-top:1px solid var(--rule);font-size:.9rem}
.hero-meta b{display:block;font:500 1.5rem/1.1 var(--serif);color:var(--ink)}
.hero-plate{position:relative;border-left:1px solid var(--rule);padding:1.6rem 0 1.6rem 1.6rem}
.hero-plate img{width:100%;height:100%;min-height:420px;object-fit:cover;aspect-ratio:3/4}

/* body grid with sticky index */
.paper{display:grid;grid-template-columns:200px minmax(0,1fr);gap:clamp(1.5rem,4vw,4rem)}
.index{position:sticky;top:1.5rem;align-self:start;font-size:.85rem;padding-top:3rem}
.index ol{list-style:none;margin:0;padding:0;border-top:1px solid var(--ink)}
.index li a{display:flex;gap:.7rem;padding:.55rem 0;border-bottom:1px solid var(--rule-2);color:var(--ink-2);text-decoration:none}
.index li a:hover,.index li a.on{color:var(--ink)}
.index li a span:first-child{font-family:var(--serif);color:var(--ochre);min-width:1.6rem}
.sec{padding:3rem 0;border-bottom:1px solid var(--rule)}
.sec:last-child{border-bottom:0}
.sec-h{display:grid;grid-template-columns:auto 1fr;gap:1rem;align-items:baseline;margin-bottom:1.6rem}
.sec-h .num{font:500 1.1rem/1 var(--serif);color:var(--ochre)}
.sec-h h2{margin:0}
.lede{font:1.15rem/1.6 var(--serif);color:var(--ink-2);max-width:40rem}

/* abstract */
.abstract{display:grid;gap:1.4rem}
.abstract-row{display:grid;grid-template-columns:150px 1fr;gap:1.2rem;padding-top:1rem;border-top:1px solid var(--rule-2)}
.abstract-row .lab{margin:0;padding-top:.25rem}
.abstract-row p{margin:0}

/* plates */
.plate{margin:0}
.plate img{width:100%;aspect-ratio:16/8;object-fit:cover}
.plate-2{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.plate-2 img{aspect-ratio:4/3}

/* contents table */
.toc{border-top:2px solid var(--ink)}
.toc-row{display:grid;grid-template-columns:2.4rem 96px minmax(0,1fr) 150px auto;gap:1.2rem;align-items:center;padding:1.1rem 0;border-bottom:1px solid var(--rule)}
.toc-row .num{font:500 1.15rem/1 var(--serif);color:var(--ochre)}
.toc-row img{width:96px;height:72px;object-fit:cover}
.toc-row h3{margin:0 0 .15rem;font-size:1.2rem}
.toc-row h3 a{color:var(--ink);text-decoration:none}
.toc-row h3 a:hover{color:var(--blue)}
.toc-row .meta{font-size:.85rem;color:var(--muted);margin:0}
.toc-row .fmt{font-size:.85rem;color:var(--ink-2);line-height:1.4}
.toc-row .price{font:500 1.35rem/1 var(--serif);text-align:right;white-space:nowrap}
.toc-row .price small{display:block;font:.75rem/1.4 var(--sans);color:var(--muted);letter-spacing:.05em;text-transform:uppercase}
.toc-row form{display:contents}
.toc-cta{display:flex;flex-direction:column;align-items:flex-end;gap:.5rem}
.toc-cta .btn{padding:.6rem 1rem;font-size:.85rem}
.toc-cta .small a{text-decoration:none}

/* method list */
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:start}
.steps{list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{counter-increment:s;display:grid;grid-template-columns:2.6rem 1fr;gap:.8rem;padding:1rem 0;border-top:1px solid var(--rule-2)}
.steps li::before{content:counter(s,decimal-leading-zero);font:500 1.1rem/1.5 var(--serif);color:var(--ochre)}
.steps h3{font-size:1.1rem;margin-bottom:.2rem}
.steps p{margin:0;color:var(--ink-2);font-size:.95rem}

/* faculty */
.faculty{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(1.5rem,4vw,3.5rem)}
.faculty img{width:100%;aspect-ratio:3/4;object-fit:cover}
.pull{font:1.35rem/1.5 var(--serif);color:var(--ink);border-left:3px solid var(--ochre);padding-left:1.2rem;margin:1.4rem 0}
.cv{list-style:none;margin:1.2rem 0 0;padding:0;font-size:.95rem}
.cv li{padding:.55rem 0;border-top:1px solid var(--rule-2);display:grid;grid-template-columns:110px 1fr;gap:1rem}
.cv li span{color:var(--ochre);font:600 .72rem/1.6 var(--sans);letter-spacing:.12em;text-transform:uppercase}

/* audience */
.audience{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1.5rem;margin-top:1.5rem}
.audience div{border-top:1px solid var(--ink);padding-top:.9rem}
.audience h3{font-size:1.15rem}
.audience p{font-size:.95rem;color:var(--ink-2);margin:0}

/* faq */
.faq details{border-top:1px solid var(--rule)}
.faq details:last-child{border-bottom:1px solid var(--rule)}
.faq summary{cursor:pointer;padding:1rem 0;font:500 1.15rem/1.3 var(--serif);list-style:none;display:flex;justify-content:space-between;gap:1rem}
.faq summary::after{content:"+";color:var(--ochre);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--ink-2);margin:0 0 1rem;max-width:44rem}

/* correspondence CTA */
.corr{background:var(--ink);color:#fff;padding:2.5rem;display:grid;grid-template-columns:1fr auto;gap:2rem;align-items:center}
.corr h2{color:#fff}
.corr p{color:#cfd6e6;margin:0}
.corr .btn{border-color:#fff;color:#fff}
.corr .btn:hover{background:#fff;color:var(--ink)}
.corr a.mail{color:#fff}

/* course page */
.course-head{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,4rem);padding:2.5rem 0 3rem;border-bottom:1px solid var(--rule)}
.course-head img{width:100%;aspect-ratio:4/3;object-fit:cover}
.buybox{border:1px solid var(--ink);padding:1.4rem;margin-top:1.4rem;background:var(--white)}
.buybox .price{font:500 2rem/1 var(--serif)}
.buybox .price small{font:.8rem/1.4 var(--sans);color:var(--muted);display:block;margin-top:.2rem}
.buybox dl{display:grid;grid-template-columns:auto 1fr;gap:.3rem 1rem;font-size:.9rem;margin:1rem 0}
.buybox dt{color:var(--muted)}
.buybox dd{margin:0}
.buybox form{display:flex;gap:.7rem;align-items:center;flex-wrap:wrap}
.buybox input[type=number]{width:4.5rem;padding:.7rem;border:1px solid var(--rule);font:inherit;background:var(--paper)}
.course-body{display:grid;grid-template-columns:200px 1fr;gap:clamp(1.5rem,4vw,4rem);padding:3rem 0}
.course-body .index{padding-top:0}
.topics{list-style:none;padding:0;margin:0;counter-reset:t}
.topics li{counter-increment:t;padding:.7rem 0 .7rem 2.6rem;border-top:1px solid var(--rule-2);position:relative}
.topics li::before{content:counter(t,decimal-leading-zero);position:absolute;left:0;top:.7rem;font:500 1rem/1.5 var(--serif);color:var(--ochre)}
.more{margin-top:3rem}
.more .toc-row{grid-template-columns:2.4rem 96px 1fr auto}

/* cart + checkout */
.narrow{max-width:820px;margin:0 auto;padding:2.5rem clamp(16px,3vw,32px) 4rem}
.cart-t{width:100%;border-collapse:collapse;border-top:2px solid var(--ink)}
.cart-t td,.cart-t th{padding:1rem .5rem;border-bottom:1px solid var(--rule);vertical-align:middle;text-align:left}
.cart-t th{font:600 .72rem/1.2 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.cart-t .r{text-align:right;white-space:nowrap}
.cart-t img{width:72px;height:54px;object-fit:cover}
.cart-t input[type=number]{width:4rem;padding:.5rem;border:1px solid var(--rule);font:inherit;background:var(--white)}
.cart-t .rm{background:none;border:0;color:var(--muted);cursor:pointer;font:inherit;text-decoration:underline;padding:0}
.cart-t tfoot td{font:500 1.35rem/1 var(--serif);border-bottom:0}
.cart-t tfoot small{display:block;font:.8rem/1.4 var(--sans);color:var(--muted)}
.cart-actions{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-top:1.5rem;align-items:center}
.notice{border-left:3px solid var(--ochre);padding:.7rem 1rem;background:var(--paper-2);margin:1rem 0;font-size:.95rem}
.notice-err{border-left-color:#a4322b;background:#f6e9e7}
.checkout{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:start;padding:2.5rem clamp(16px,3vw,32px) 4rem;max-width:var(--wrap);margin:0 auto}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-grid .full{grid-column:1/-1}
.field label{display:block;font:600 .78rem/1.4 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);margin-bottom:.3rem}
.field input,.field select,.field textarea{width:100%;padding:.8rem .9rem;border:1px solid var(--rule);background:var(--white);font:inherit;color:var(--ink);border-radius:2px}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--blue);outline-offset:1px;border-color:var(--blue)}
.field .err{color:#a4322b;font-size:.85rem;margin:.3rem 0 0;display:none}
.field.bad .err{display:block}
.field.bad input,.field.bad select{border-color:#a4322b}
.check{display:flex;gap:.7rem;align-items:flex-start;font-size:.92rem}
.check input{margin-top:.3rem;flex:none}
fieldset{border:0;padding:0;margin:0 0 2rem}
legend{font:500 1.35rem/1.2 var(--serif);margin-bottom:1rem;padding:0}
.summary{border:1px solid var(--ink);background:var(--white);padding:1.4rem}
.summary ul{list-style:none;margin:0;padding:0}
.summary li{display:flex;justify-content:space-between;gap:1rem;padding:.6rem 0;border-bottom:1px solid var(--rule-2);font-size:.95rem}
.summary li span:last-child{white-space:nowrap}
.summary .tot{display:flex;justify-content:space-between;padding-top:1rem;font:500 1.4rem/1 var(--serif)}
.summary .tot small{display:block;font:.78rem/1.5 var(--sans);color:var(--muted)}
.summary .pagos{margin-top:1rem}

/* order dossier */
.dossier{max-width:900px;margin:0 auto;padding:2.5rem clamp(16px,3vw,32px) 4rem}
.dossier-card{background:var(--white);border:1px solid var(--ink);padding:0}
.dossier-head{display:grid;grid-template-columns:1fr auto;gap:1rem;padding:1.6rem 2rem;border-bottom:2px solid var(--ink);align-items:end}
.dossier-head h1{font-size:2rem;margin:0}
.ref{font:.8rem/1.6 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--ink-2);text-align:right}
.ref b{display:block;font-size:1rem;color:var(--ink)}
.dossier-grid{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--rule)}
.dossier-grid > div{padding:1.4rem 2rem}
.dossier-grid > div:first-child{border-right:1px solid var(--rule)}
.kv{margin:0;font-size:.95rem}
.kv dt{font:600 .75rem/1.6 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:.7rem}
.kv dd{margin:0}
.stages{display:grid;grid-template-columns:1fr 1fr 1fr;padding:1.4rem 2rem;gap:1rem;border-bottom:1px solid var(--rule)}
.stage{border-top:3px solid var(--rule);padding-top:.7rem;font-size:.9rem;color:var(--muted)}
.stage b{display:block;font:500 1.05rem/1.3 var(--serif);color:var(--ink)}
.stage.done{border-top-color:var(--ink)}
.stage.now{border-top-color:var(--blue)}
.stage.now b{color:var(--blue)}
.items{padding:1.4rem 2rem;border-bottom:1px solid var(--rule)}
.items table{width:100%;border-collapse:collapse;font-size:.95rem}
.items td{padding:.6rem 0;border-bottom:1px solid var(--rule-2);vertical-align:top}
.items td:last-child{text-align:right;white-space:nowrap}
.items tr:last-child td{border-bottom:0;font-weight:600}
.next{padding:1.4rem 2rem}
.next ol{margin:.5rem 0 0;padding-left:1.2rem}
.next li{margin-bottom:.5rem}
.seller{font-size:.8rem;color:var(--muted);padding:1rem 2rem;border-top:1px solid var(--rule)}

/* legal pages */
.legal{max-width:760px;margin:0 auto;padding:2.5rem clamp(16px,3vw,32px) 4rem}
.legal h2{font-size:1.45rem;margin-top:2.2rem}
.legal ul,.legal ol{padding-left:1.3rem}
.legal table{border-collapse:collapse;width:100%;font-size:.9rem}
.legal td,.legal th{border-bottom:1px solid var(--rule);padding:.5rem .4rem;text-align:left;vertical-align:top}

/* footer */
.foot{border-top:2px solid var(--ink);margin-top:3rem;background:var(--paper-2)}
.foot-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:2.5rem;padding-top:2.5rem;padding-bottom:1.5rem}
.foot-brand{display:flex;align-items:center;gap:.6rem;font:600 1.15rem/1 var(--serif);letter-spacing:.08em}
.foot-h{font:600 .72rem/1.4 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--ochre);margin-bottom:.6rem}
.foot-list{list-style:none;margin:0;padding:0;font-size:.9rem}
.foot-list li{padding:.2rem 0}
.foot-list a{color:var(--ink);text-decoration:none}
.foot-list a:hover{color:var(--blue)}
.pagos{display:flex;gap:.5rem;flex-wrap:wrap;margin:0}
.pagos img{height:26px;width:auto}
.foot-legal{border-top:1px solid var(--rule);padding-top:1rem;padding-bottom:1.5rem;font-size:.78rem}
.foot-legal p{margin:0 0 .3rem}

/* chat */
.chat-btn{position:fixed;right:1.2rem;bottom:1.2rem;z-index:50;background:var(--ink);color:#fff;border:0;border-radius:999px;padding:.85rem 1.3rem;font:600 .9rem/1 var(--sans);cursor:pointer;box-shadow:0 6px 20px rgba(20,33,61,.25)}
.chat-btn:hover{background:var(--blue-d)}
.chat{position:fixed;right:1.2rem;bottom:4.6rem;z-index:50;width:min(360px,calc(100vw - 2.4rem));background:var(--white);border:1px solid var(--ink);box-shadow:0 12px 40px rgba(20,33,61,.25);display:flex;flex-direction:column;max-height:min(560px,calc(100vh - 6rem))}
.chat[hidden]{display:none}
.chat-h{display:flex;justify-content:space-between;align-items:center;padding:.8rem 1rem;background:var(--ink);color:#fff;font:600 .78rem/1 var(--sans);letter-spacing:.12em;text-transform:uppercase}
.chat-x{background:none;border:0;color:#fff;font-size:1.4rem;cursor:pointer;line-height:1}
.chat-feed{padding:1rem;overflow:auto;flex:1;font-size:.92rem;display:flex;flex-direction:column;gap:.6rem}
.chat-sys{background:var(--paper);padding:.7rem .9rem;margin:0;color:var(--ink-2);border-radius:2px 12px 12px 12px}
.chat-me{background:var(--blue);color:#fff;padding:.7rem .9rem;margin:0;align-self:flex-end;border-radius:12px 2px 12px 12px;max-width:85%}
.chat-form{padding:.8rem 1rem 1rem;border-top:1px solid var(--rule);display:grid;gap:.6rem}
.chat-row{display:grid;grid-template-columns:1fr 1fr;gap:.6rem}
.chat-form input,.chat-form textarea{width:100%;padding:.6rem .7rem;border:1px solid var(--rule);font:inherit;font-size:.9rem;background:var(--paper)}
.chat-form .btn{padding:.7rem 1rem;font-size:.85rem;justify-self:end}

/* reveal — JS-gated */
.js .rv{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
.js .rv.in{opacity:1;transform:none}

@media print{.masthead,.masthead-rule,.foot,.chat,.chat-btn,.no-print{display:none!important}body{background:#fff}}

/* responsive — AFTER base rules */
@media (max-width:1100px){.brand-sub{display:none}.nav{gap:1.1rem;flex-wrap:wrap;justify-content:flex-end}.brand{flex-shrink:0}}
@media (max-width:980px){
  .hero .wrap{grid-template-columns:1fr}
  .hero-plate{border-left:0;padding:0 0 1.6rem}
  .hero-plate img{min-height:0;aspect-ratio:16/10}
  .paper{grid-template-columns:1fr}
  .index{display:none}
  .faculty,.two,.course-head{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .checkout{grid-template-columns:1fr}
  .course-body{grid-template-columns:1fr}
  .toc-row{grid-template-columns:2.4rem 96px 1fr auto}
  .toc-row .fmt{display:none}
}
@media (max-width:680px){
  .masthead-rule .wrap span:nth-child(2){display:none}
  .masthead-row{flex-wrap:wrap}
  .nav{gap:1rem;font-size:.9rem;flex-wrap:wrap}
  .brand-sub{display:none}
  .abstract-row{grid-template-columns:1fr;gap:.3rem}
  .plate-2,.audience,.form-grid,.dossier-grid,.stages,.foot-grid{grid-template-columns:1fr}
  .dossier-grid > div:first-child{border-right:0;border-bottom:1px solid var(--rule)}
  .toc-row{grid-template-columns:2.4rem 1fr;row-gap:.6rem}
  .toc-row img{display:none}
  .toc-row .price,.toc-cta{grid-column:2;text-align:left;align-items:flex-start}
  .corr{grid-template-columns:1fr;padding:1.6rem}
  .cart-t img,.cart-t .hide-m{display:none}
  .dossier-head{grid-template-columns:1fr}
  .ref{text-align:left}
}

/* ---- vol. 1 expansion ---- */
.map{width:100%;border-collapse:collapse;border-top:2px solid var(--ink);font-size:.92rem}
.map th{font:600 .72rem/1.2 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);text-align:left;padding:.7rem .5rem;border-bottom:1px solid var(--rule)}
.map td{padding:.8rem .5rem;border-bottom:1px solid var(--rule-2);vertical-align:top}
.map td:first-child{font:500 1.05rem/1.4 var(--serif);color:var(--ochre)}
.map .r{text-align:right;white-space:nowrap;font-family:var(--serif);font-size:1.05rem}
.map a{color:var(--ink);text-decoration:none;font-weight:600}
.map a:hover{color:var(--blue)}
.map .sum td{border-top:2px solid var(--ink);border-bottom:0;font-weight:600}
.anatomy{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:start}
.timeline{list-style:none;margin:0;padding:0;border-left:2px solid var(--rule)}
.timeline li{position:relative;padding:0 0 1.4rem 1.6rem}
.timeline li::before{content:"";position:absolute;left:-7px;top:.45rem;width:12px;height:12px;border-radius:50%;background:var(--paper);border:2px solid var(--ochre)}
.timeline li:last-child{padding-bottom:0}
.timeline b{display:block;font:500 1.1rem/1.3 var(--serif)}
.timeline span{display:block;font:.72rem/1.6 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.timeline p{margin:.2rem 0 0;font-size:.95rem;color:var(--ink-2)}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-top:1rem}
.compare > div{border:1px solid var(--rule);padding:1.4rem;background:var(--white)}
.compare > div.pick{border-color:var(--ink);border-width:2px}
.compare h3{display:flex;justify-content:space-between;gap:1rem;align-items:baseline}
.compare h3 em{font-style:normal;font-family:var(--sans);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ochre)}
.compare ul{list-style:none;margin:0 0 1rem;padding:0;font-size:.92rem}
.compare li{display:flex;justify-content:space-between;gap:1rem;padding:.45rem 0;border-top:1px solid var(--rule-2)}
.compare li span:last-child{white-space:nowrap;font-family:var(--serif)}
.compare .tot{display:flex;justify-content:space-between;font:500 1.5rem/1 var(--serif);padding-top:.8rem;border-top:2px solid var(--ink)}
.compare .tot small{display:block;font:.78rem/1.5 var(--sans);color:var(--muted)}
.save{background:var(--ochre);color:#fff;font:600 .78rem/1 var(--sans);letter-spacing:.06em;padding:.35rem .6rem;display:inline-block;margin-top:.8rem}
.plan{width:100%;border-collapse:collapse;font-size:.92rem;border-top:2px solid var(--ink)}
.plan td{padding:.65rem .5rem;border-bottom:1px solid var(--rule-2);vertical-align:top}
.plan td:first-child{white-space:nowrap;font-family:var(--serif);color:var(--ochre);width:7rem}
.plan td:last-child{color:var(--muted);text-align:right;white-space:nowrap}
.cert{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:start}
.cert-card{border:1px solid var(--ink);background:var(--white);padding:1.6rem;position:relative}
.cert-card::before{content:"";position:absolute;inset:6px;border:1px solid var(--rule);pointer-events:none}
.cert-card .lab{margin-bottom:1rem}
.cert-card h3{font-size:1.5rem;margin-bottom:.3rem}
.cert-card p{font-size:.9rem;color:var(--ink-2);margin:0 0 .5rem}
.cert-card .seal{display:flex;align-items:center;gap:.8rem;margin-top:1.2rem;padding-top:1rem;border-top:1px solid var(--rule)}
.cert-card .seal img{width:40px;height:40px}
.cert-card .seal span{font:.72rem/1.5 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.refs{list-style:none;margin:0;padding:0;counter-reset:r;columns:2;column-gap:2.5rem;font-size:.92rem}
.refs li{counter-increment:r;break-inside:avoid;padding:.6rem 0 .6rem 2.2rem;border-top:1px solid var(--rule-2);position:relative;color:var(--ink-2)}
.refs li::before{content:"[" counter(r) "]";position:absolute;left:0;font-family:var(--serif);color:var(--ochre)}
.refs li b{color:var(--ink);font-weight:600}
.log{list-style:none;margin:0;padding:0;font-size:.92rem}
.log li{display:grid;grid-template-columns:7rem 1fr;gap:1rem;padding:.7rem 0;border-top:1px solid var(--rule-2)}
.log li span{font-family:var(--serif);color:var(--ochre)}
.dept{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1.5rem;margin-top:1.5rem}
.dept div{border-top:1px solid var(--ink);padding-top:.9rem}
.dept b{display:block;font:500 2rem/1 var(--serif);margin-bottom:.4rem}
.dept p{font-size:.95rem;color:var(--ink-2);margin:0}
.sample{background:var(--white);border:1px solid var(--rule);border-left:3px solid var(--ochre);padding:1.4rem 1.6rem}
.sample .lab{margin-bottom:.4rem}
.sample h3{font-size:1.2rem}
.sample p{margin:0;color:var(--ink-2)}
.lessons{width:100%;border-collapse:collapse;border-top:2px solid var(--ink);font-size:.92rem}
.lessons td{padding:.6rem .5rem;border-bottom:1px solid var(--rule-2);vertical-align:top}
.lessons td:first-child{white-space:nowrap;font-family:var(--serif);color:var(--ochre);width:4.5rem}
.lessons td:last-child{white-space:nowrap;text-align:right;color:var(--muted)}
.ticks{list-style:none;margin:0;padding:0}
.ticks li{padding:.5rem 0 .5rem 1.6rem;border-top:1px solid var(--rule-2);position:relative}
.ticks li::before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:600}
.kv2{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.kv2 > div{border-top:1px solid var(--ink);padding-top:.8rem}
.kv2 h3{font-size:1.1rem}
.kv2 p{font-size:.95rem;color:var(--ink-2);margin:0}
.strip{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1.2rem;margin:2rem 0 0}
.strip img{aspect-ratio:4/3}
@media (max-width:980px){.anatomy,.cert,.kv2{grid-template-columns:1fr}.refs{columns:1}.dept{grid-template-columns:1fr 1fr}}
@media (max-width:680px){.compare,.dept,.strip{grid-template-columns:1fr}.map .hide-m,.lessons td:last-child{display:none}.log li{grid-template-columns:1fr;gap:.2rem}}

/* ---- v2: block layout (owner 2026-09-06: «блоками, не сплошным текстом») ---- */
:root{--paper:#f3f5f9;--paper-2:#e6ebf4;--rule:#d9e0ec;--rule-2:#e7ecf4;--ochre:#2559a8;--serif:"Helvetica Neue",Helvetica,Arial,"Segoe UI",system-ui,sans-serif;--r:18px;--sh:0 1px 2px rgba(20,33,61,.04),0 14px 36px -22px rgba(20,33,61,.22)}
h1,h2,h3,h4,legend{font-weight:700;letter-spacing:-.02em}
.btn,.chat-btn{border-radius:999px}
.field input,.field select,.field textarea,.buybox input[type=number],.cart-t input[type=number],.chat-form input,.chat-form textarea{border-radius:10px}
.masthead{border-bottom:1px solid var(--rule)}
.masthead-rule{background:var(--white)}
/* hero as a dark block */
.hero{border:0;padding:1.5rem 0 0}
.hero .wrap{background:linear-gradient(135deg,var(--ink) 0%,#1e3a70 100%);border-radius:28px;color:#fff;padding:clamp(1.4rem,3vw,2.8rem);gap:clamp(1.4rem,3vw,3rem);max-width:calc(var(--wrap) - 2*clamp(16px,3vw,32px))}
.hero-text{padding:clamp(.5rem,2vw,1.5rem) 0}
.hero-text h1{color:#fff}
.hero-text .stand{color:#d4dcec}
.hero .lab{color:#9dc0f0}
.hero .btn-solid{background:#fff;color:var(--ink);border-color:#fff}
.hero .btn-solid:hover{background:#dbe6f7;border-color:#dbe6f7}
.hero .link-arrow{color:#bcd3f3}
.hero-meta{display:grid;grid-template-columns:repeat(4,1fr);gap:.8rem;border-top:0;padding-top:0;color:#c7d1e4}
.hero-meta div{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:.9rem 1rem}
.hero-meta b{color:#fff}
.hero-plate{border:0;padding:0}
.hero-plate img{border-radius:20px;min-height:0;aspect-ratio:4/5}
.hero .fig{color:#c7d1e4;border-top:0;padding:.7rem .2rem 0}
.hero .fig b{color:#fff}
/* index as chips, sections as cards */
.paper{grid-template-columns:1fr;gap:0}
.index{position:sticky;top:0;z-index:20;padding:.9rem 0;margin:0 0 .5rem;background:var(--paper);display:block}
.index ol{display:flex;gap:.5rem;overflow-x:auto;border:0;scrollbar-width:none;padding:.1rem}
.index ol::-webkit-scrollbar{display:none}
.index li a{white-space:nowrap;border:1px solid var(--rule);border-radius:999px;padding:.45rem .9rem;background:var(--white);gap:.45rem;color:var(--ink-2)}
.index li a.on,.index li a:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.index li a span:first-child{min-width:0;color:inherit;opacity:.7;font-family:var(--sans)}
.sec,.course-body .sec{background:var(--white);border:1px solid var(--rule);border-radius:24px;padding:clamp(1.4rem,3vw,2.4rem)!important;margin:0 0 1.4rem;box-shadow:var(--sh)}
.sec-h{align-items:center;margin-bottom:1.4rem}
.sec-h .num{background:var(--paper-2);color:var(--blue);border-radius:999px;padding:.4rem .75rem;font:700 .8rem/1 var(--sans)}
.lede{max-width:46rem}
.plate img,.faculty img,.course-head img{border-radius:16px}
.fig{border-top:0;padding:.6rem .2rem 0}
/* inner tiles */
.abstract{grid-template-columns:repeat(3,1fr);gap:1rem}
.abstract-row{grid-template-columns:1fr;gap:.5rem;background:var(--paper);border-radius:16px;padding:1.3rem;border:0}
.toc{border:0;display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.toc-row,.more .toc-row{grid-template-columns:1fr;gap:.6rem;align-items:start;align-content:start;padding:0 0 1.2rem;border:1px solid var(--rule);border-radius:var(--r);background:var(--paper);overflow:hidden}
.toc-row img{order:-1;width:100%;height:auto;aspect-ratio:16/9;display:block}
.toc-row .num{margin:.6rem 1.2rem 0;font:700 .8rem/1 var(--sans);color:var(--blue)}
.toc-row > div,.toc-row .fmt,.toc-row .price,.toc-cta{padding:0 1.2rem}
.toc-row .price{text-align:left;font-size:1.4rem;font-weight:700}
.toc-row .price small{display:inline;margin-left:.4rem;text-transform:none;letter-spacing:0}
.toc-cta{align-items:flex-start}
.steps{display:grid;gap:.9rem}
.steps li{background:var(--paper);border-radius:16px;padding:1.2rem;border:0;grid-template-columns:2.2rem 1fr}
.steps li::before{width:2rem;height:2rem;border-radius:50%;background:var(--blue);color:#fff;font:700 .8rem/2rem var(--sans);text-align:center}
.cv{display:grid;gap:.7rem}
.cv li{grid-template-columns:1fr;gap:.25rem;background:var(--paper);border-radius:14px;padding:1rem 1.1rem;border:0}
.pull{border-left:4px solid var(--blue);background:var(--paper);padding:1.1rem 1.3rem;border-radius:0 16px 16px 0}
.audience div,.dept div,.kv2 > div{border:1px solid var(--rule);border-radius:16px;padding:1.3rem;background:var(--paper)}
.dept b{color:var(--blue)}
.timeline{border-left:2px solid var(--blue)}
.timeline li::before{border-color:var(--blue);background:#fff}
.compare > div{border-radius:var(--r);padding:1.6rem}
.compare > div.pick{border-color:var(--blue);background:linear-gradient(#fff,#eef4fc)}
.save{border-radius:999px;background:var(--blue)}
.cert-card{border-radius:var(--r);border-color:var(--rule);box-shadow:var(--sh)}
.cert-card::before{border-radius:12px}
.refs{columns:auto;display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.refs li{background:var(--paper);border-radius:12px;padding:.9rem .9rem .9rem 2.8rem;border:0}
.refs li::before{left:.9rem;top:.9rem}
.log li{background:var(--paper);border-radius:12px;padding:.8rem 1rem;border:0;margin-bottom:.6rem}
.map,.plan,.lessons{border-top:0}
.map th{background:var(--paper)}
.map th:first-child{border-radius:10px 0 0 10px}
.map th:last-child{border-radius:0 10px 10px 0}
.ticks{display:grid;grid-template-columns:1fr 1fr;gap:.7rem}
.ticks li{border:0;background:var(--paper);border-radius:12px;padding:.8rem .9rem .8rem 2.4rem}
.ticks li::before{left:.9rem}
.sample{border-radius:var(--r);border-left-width:1px;background:var(--paper)}
.faq details{background:var(--paper);border:0;border-radius:14px;padding:0 1.2rem;margin-bottom:.6rem}
.faq details:last-child{border:0}
.notice{border-radius:12px;border-left-width:4px}
.corr{border-radius:24px;background:linear-gradient(135deg,var(--ink),#1e3a70)}
.course-head{background:var(--white);border:1px solid var(--rule);border-radius:24px;padding:clamp(1.4rem,3vw,2.4rem);margin-top:1.5rem;box-shadow:var(--sh)}
.buybox,.summary,.dossier-card{border-color:var(--rule);border-radius:var(--r)}
.course-body{grid-template-columns:1fr;gap:0;padding:1rem 0 3rem}
.course-body > div > .sec:first-child{padding-top:clamp(1.4rem,3vw,2.4rem)!important}
.chat{border-radius:var(--r);border-color:var(--rule);overflow:hidden}
.foot{border-top:1px solid var(--rule);background:var(--white)}
.strip img{border-radius:14px}
@media (max-width:980px){.index{display:block}.abstract,.toc{grid-template-columns:1fr 1fr}.hero-meta{grid-template-columns:1fr 1fr}.hero-plate img{aspect-ratio:16/10}}
@media (max-width:680px){.abstract,.toc,.ticks,.refs{grid-template-columns:1fr}.toc-row img{display:block}.toc-row .price,.toc-cta{grid-column:auto}.hero .wrap{border-radius:20px}}
.paper > *,.course-body > *{min-width:0}
.index{max-width:100%;overflow:hidden}
.hero .wrap{align-items:start}
.hero-plate img{height:auto}