/* ===== Деньги в России — themed numismatic presentation ===== */
:root{
  --ink:#0c0a07;
  --ink2:#13100b;
  --panel:#171309;
  --paper:#f3ead6;
  --paper-dim:#cbbfa6;
  --gold:#d4af37;
  --gold-soft:#e7c96a;
  --line:rgba(212,175,55,.22);
  --accent:#d4af37;
  --accent-soft:#e7c96a;
  --maxw:1180px;
}
/* per-era accent themes */
[data-key="dirham"]{ --accent:#8fb7c9; --accent-soft:#bfe0ec; }
[data-key="kopeck"]{ --accent:#c9cdd6; --accent-soft:#eef0f5; }
[data-key="copper"]{ --accent:#cf7a37; --accent-soft:#f0a368; }
[data-key="paper"] { --accent:#bb9a52; --accent-soft:#e3c878; }
[data-key="red"]   { --accent:#d04a3a; --accent-soft:#f07a64; }
[data-key="ochre"] { --accent:#c2924a; --accent-soft:#e6bb74; }

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--ink);color:var(--paper);
  font-family:"PT Serif",Georgia,serif;font-size:18px;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--gold);color:#1a1408}

.label,.kicker,.era,.num,.cc-num,.tl-item b,.dots em,.prov,.foot-bottom{
  font-family:"PT Sans Narrow",sans-serif;
}

/* progress + nav */
.progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:60;
  background:linear-gradient(90deg,var(--gold),var(--gold-soft));box-shadow:0 0 12px var(--gold)}
.topnav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;
  justify-content:space-between;padding:14px clamp(16px,4vw,46px);
  background:linear-gradient(180deg,rgba(10,8,5,.92),rgba(10,8,5,0));
  backdrop-filter:blur(6px);transition:background .3s}
.topnav.solid{background:rgba(10,8,5,.96);border-bottom:1px solid var(--line)}
.brand{font-family:"Playfair Display",serif;letter-spacing:.02em;font-size:18px;color:var(--paper)}
.brand b{color:var(--gold)}
.dots{display:flex;gap:4px}
.dots a{position:relative;width:30px;height:30px;display:grid;place-items:center;border-radius:50%;
  font-family:"PT Sans Narrow";font-size:13px;color:var(--paper-dim);border:1px solid transparent;transition:.25s}
.dots a:hover,.dots a.active{color:#1a1408;background:var(--gold);border-color:var(--gold)}
.dots em{position:absolute;top:120%;right:0;white-space:nowrap;font-style:normal;font-size:12px;
  background:#1a1408;color:var(--gold-soft);padding:3px 9px;border-radius:4px;opacity:0;pointer-events:none;
  transform:translateY(-4px);transition:.2s;border:1px solid var(--line)}
.dots a:hover em{opacity:1;transform:translateY(0)}
.back,.to-top{font-family:"PT Sans Narrow";color:var(--gold-soft);font-size:15px;letter-spacing:.04em}

/* ===== HERO ===== */
.hero{position:relative;min-height:100vh;display:grid;place-items:center;text-align:center;
  background:
    radial-gradient(1200px 600px at 50% -10%,rgba(212,175,55,.18),transparent 60%),
    radial-gradient(900px 500px at 80% 110%,rgba(207,122,55,.12),transparent 60%),
    var(--ink);
  overflow:hidden;padding:120px 20px 80px}
.coins{position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:
    radial-gradient(circle at 12% 22%,rgba(212,175,55,.5) 0 1.5px,transparent 2px),
    radial-gradient(circle at 84% 30%,rgba(212,175,55,.4) 0 1.5px,transparent 2px),
    radial-gradient(circle at 70% 78%,rgba(231,201,106,.4) 0 1.5px,transparent 2px),
    radial-gradient(circle at 26% 70%,rgba(212,175,55,.35) 0 1.5px,transparent 2px),
    radial-gradient(circle at 50% 14%,rgba(212,175,55,.3) 0 1px,transparent 1.5px);
  background-size:auto}
.hero::before,.hero::after{content:"₽";position:absolute;font-family:"Playfair Display",serif;
  color:rgba(212,175,55,.06);font-size:46vh;line-height:1;z-index:0;font-weight:900}
.hero::before{top:-6vh;left:-4vw}
.hero::after{content:"₽";bottom:-16vh;right:-2vw;color:rgba(207,122,55,.05)}
.hero-inner{position:relative;z-index:2;max-width:820px}
.kicker{display:inline-block;font-family:"PT Sans Narrow",sans-serif;font-size:14px;letter-spacing:.46em;
  text-transform:uppercase;color:var(--gold-soft);padding:0 0 0 4px;margin-bottom:34px}
.hero h1{font-family:"Prata",serif;font-weight:400;margin:0;
  font-size:clamp(54px,11.5vw,142px);line-height:1.0;letter-spacing:.005em;
  background:linear-gradient(180deg,#f3e7c9 0%,var(--gold) 60%,#a98427 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 2px 50px rgba(212,175,55,.18)}
.hero-sub{font-size:clamp(18px,2.4vw,24px);color:var(--paper);margin:30px auto 0;max-width:640px;font-style:italic;color:#e9dcc0}
.hero-line{width:90px;height:2px;margin:34px auto;background:linear-gradient(90deg,transparent,var(--gold),transparent)}
.hero-intro{max-width:620px;margin:0 auto;color:var(--paper-dim);font-size:17px}
.scroll-hint{display:inline-flex;flex-direction:column;align-items:center;gap:6px;margin-top:48px;
  font-family:"PT Sans Narrow";letter-spacing:.3em;text-transform:uppercase;font-size:12px;color:var(--gold-soft)}
.scroll-hint span{font-size:22px;animation:bob 1.8s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(8px)}}

/* ===== THESIS ===== */
.thesis{padding:clamp(80px,14vh,160px) 20px;text-align:center;
  background:linear-gradient(180deg,var(--ink),var(--ink2))}
.thesis-inner{max-width:760px;margin:0 auto}
.thesis p{font-family:"Playfair Display",serif;font-size:clamp(22px,3.4vw,34px);line-height:1.4;margin:0 0 18px;color:#e9dcc0}
.thesis .big{font-size:clamp(34px,6vw,64px);margin:10px 0 26px}
.thesis .big em{font-style:italic;color:var(--gold)}
.thesis p:last-child{font-family:"PT Serif",serif;font-size:18px;color:var(--paper-dim);font-style:normal;max-width:620px;margin:18px auto 0}

/* ===== CAP CARDS ===== */
.cap-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cap-card{background:var(--ink2);padding:30px 26px;display:flex;flex-direction:column;gap:8px;
  transition:.3s;position:relative;overflow:hidden}
.cap-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);transform:scaleY(0);transform-origin:bottom;transition:.3s}
.cap-card:hover{background:#1d1810}
.cap-card:hover::before{transform:scaleY(1)}
.cc-num{font-size:30px;color:var(--accent);letter-spacing:.05em}
.cc-title{font-family:"Playfair Display",serif;font-size:22px;color:var(--paper)}
.cc-sub{font-size:14px;color:var(--paper-dim);line-height:1.45}

/* ===== CHAPTERS ===== */
main{max-width:var(--maxw);margin:0 auto;padding:0 clamp(16px,4vw,40px)}
.chapter{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,70px);align-items:center;
  padding:clamp(70px,12vh,140px) 0;border-bottom:1px solid var(--line);position:relative}
.chapter.side-right .ch-figure{order:2}
.ch-figure{position:relative}
.frame{position:relative;border-radius:8px;overflow:hidden;border:1px solid var(--line);
  box-shadow:0 30px 80px -30px rgba(0,0,0,.9),0 0 0 1px rgba(0,0,0,.4) inset;
  background:#0a0805}
.frame::after{content:"";position:absolute;inset:0;border-radius:8px;
  box-shadow:inset 0 0 0 6px rgba(212,175,55,.06);pointer-events:none}
.frame img{width:100%;height:clamp(320px,46vh,520px);object-fit:cover;
  transition:transform 1.2s cubic-bezier(.2,.7,.2,1);filter:saturate(1.05) contrast(1.03)}
.chapter:hover .frame img{transform:scale(1.04)}
.shine{position:absolute;inset:0;background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.14) 48%,transparent 60%);
  transform:translateX(-120%);transition:transform .9s ease}
.chapter:hover .shine{transform:translateX(120%)}
figcaption{margin-top:14px;display:flex;flex-direction:column;gap:4px}
figcaption .cap{font-size:14px;color:var(--paper-dim);font-style:italic;line-height:1.45}
figcaption .prov{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}

.ch-meta{display:flex;align-items:baseline;gap:18px;margin-bottom:14px}
.ch-meta .num{font-size:clamp(48px,7vw,86px);font-family:"Playfair Display";font-weight:900;line-height:.8;
  color:transparent;-webkit-text-stroke:1.5px var(--accent);opacity:.85}
.ch-meta .era{font-size:14px;letter-spacing:.28em;text-transform:uppercase;color:var(--accent-soft)}
.ch-title{font-family:"Playfair Display",serif;font-weight:700;font-size:clamp(34px,5vw,56px);
  margin:0 0 6px;color:#f4ead2}
.ch-sub{font-style:italic;color:var(--accent-soft);font-size:19px;margin:0 0 22px}
.ch-body p{margin:0 0 16px;color:#e3d8c0}
.pull{margin:26px 0;padding:18px 0 18px 26px;border-left:3px solid var(--accent);
  font-family:"Playfair Display",serif;font-style:italic;font-size:clamp(20px,2.6vw,26px);
  line-height:1.4;color:#f1e6cd}
.aside{display:flex;gap:16px;align-items:center;margin:24px 0;padding:16px;border:1px solid var(--line);
  border-radius:8px;background:rgba(212,175,55,.05)}
.aside img{width:96px;height:96px;object-fit:cover;border-radius:6px;flex:none;border:1px solid var(--line)}
.aside p{margin:0;font-size:15px;color:var(--paper-dim)}
.dates{list-style:none;padding:0;margin:26px 0;display:flex;flex-wrap:wrap;gap:10px}
.dates li{display:flex;flex-direction:column;padding:10px 16px;border:1px solid var(--line);border-radius:6px;
  background:var(--ink2);min-width:120px}
.dates b{font-family:"PT Sans Narrow";font-size:20px;color:var(--accent-soft);letter-spacing:.02em}
.dates span{font-size:13px;color:var(--paper-dim);line-height:1.3}
.read-full{display:inline-flex;align-items:center;gap:10px;margin-top:8px;font-family:"PT Sans Narrow";
  letter-spacing:.12em;text-transform:uppercase;font-size:15px;color:#1a1408;background:var(--accent);
  padding:12px 22px;border-radius:40px;transition:.25s;font-weight:700}
.read-full span{transition:.25s}
.read-full:hover{background:var(--accent-soft)}
.read-full:hover span{transform:translateX(5px)}

/* ===== TIMELINE ===== */
.timeline{padding:clamp(70px,12vh,130px) 20px;text-align:center;background:var(--ink2)}
.timeline h2{font-family:"Playfair Display";font-size:clamp(28px,4vw,44px);color:var(--gold);margin:0 0 50px}
.tl-rail{position:relative;display:flex;justify-content:space-between;gap:14px;max-width:1000px;margin:0 auto;flex-wrap:wrap}
.tl-rail::before{content:"";position:absolute;top:7px;left:5%;right:5%;height:1px;
  background:linear-gradient(90deg,transparent,var(--line),var(--line),transparent)}
.tl-item{position:relative;flex:1;min-width:120px;display:flex;flex-direction:column;align-items:center;gap:6px;padding-top:22px}
.tl-dot{position:absolute;top:0;width:15px;height:15px;border-radius:50%;background:var(--ink);
  border:2px solid var(--accent);box-shadow:0 0 0 4px var(--ink2),0 0 14px var(--accent)}
.tl-item b{font-size:24px;color:var(--accent-soft)}
.tl-item span{font-size:14px;color:var(--paper-dim)}

/* ===== CONCLUSION ===== */
.conclusion{padding:clamp(90px,16vh,180px) 20px;text-align:center;
  background:
    radial-gradient(900px 500px at 50% 0%,rgba(212,175,55,.14),transparent 60%),
    linear-gradient(180deg,var(--ink2),var(--ink))}
.concl-inner{max-width:760px;margin:0 auto}
.conclusion .kicker{margin-bottom:24px}
.conclusion h2{font-family:"Prata",serif;font-weight:400;font-size:clamp(32px,5.4vw,58px);
  line-height:1.12;margin:0 0 30px;
  background:linear-gradient(180deg,#f3e7c9,var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.conclusion p{color:#e3d8c0;font-size:18px}
.signoff{margin-top:28px;font-family:"Playfair Display";font-style:italic;font-size:clamp(19px,2.6vw,24px);color:var(--gold-soft)}

/* ===== FOOTER ===== */
footer{background:#080604;border-top:1px solid var(--line);padding:60px clamp(16px,4vw,46px) 30px}
.foot-cols{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1.4fr;gap:40px}
.foot-cols b{font-family:"Playfair Display";color:var(--gold);font-size:18px;display:block;margin-bottom:12px}
.foot-cols p{font-size:14px;color:var(--paper-dim);margin:0}
.foot-cols ul{list-style:none;padding:0;margin:0}
.foot-cols li{margin-bottom:7px}
.foot-cols a{color:var(--paper-dim);font-size:15px;transition:.2s}
.foot-cols a:hover{color:var(--gold-soft)}
.foot-bottom{max-width:var(--maxw);margin:40px auto 0;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;letter-spacing:.08em;color:var(--paper-dim);text-transform:uppercase}

/* ===== reveal animation ===== */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ===== CHAPTER PAGE ===== */
.chap-nav{position:fixed}
.chap-hero{position:relative;text-align:center;padding:clamp(120px,20vh,200px) 20px clamp(50px,9vh,90px);
  background:
    radial-gradient(800px 380px at 50% 0%,color-mix(in srgb,var(--accent) 16%,transparent),transparent 70%),
    linear-gradient(180deg,var(--ink),var(--ink2));
  border-bottom:1px solid var(--line);overflow:hidden}
.chap-hero-inner{position:relative;z-index:2;max-width:760px;margin:0 auto}
.chap-hero .num{font-family:"PT Sans Narrow";letter-spacing:.34em;text-transform:uppercase;color:var(--accent-soft);font-size:14px}
.chap-hero .era{display:inline-block;margin-top:18px;font-family:"PT Sans Narrow";letter-spacing:.2em;
  text-transform:uppercase;color:var(--paper-dim);font-size:14px;border-top:1px solid var(--line);padding-top:16px}
.chap-hero h1{font-family:"Prata",serif;font-weight:400;font-size:clamp(40px,8vw,92px);line-height:1.04;
  margin:18px 0 14px;color:#f3e9d2}
.chap-hero .sub{font-style:italic;font-size:clamp(18px,2.6vw,23px);color:var(--accent-soft);margin:0 auto;max-width:600px}

.chap-lead-fig{max-width:840px;margin:clamp(40px,7vh,72px) auto 0;position:relative;z-index:5;padding:0 16px}
.chap-lead-fig img{width:100%;max-height:560px;object-fit:contain;border-radius:8px;
  background:#0a0805;border:1px solid var(--line);box-shadow:0 30px 70px -28px rgba(0,0,0,.9)}
.chap-lead-fig figcaption{margin-top:14px;font-size:14px;color:var(--paper-dim);font-style:italic;text-align:center}
.chap-lead-fig figcaption span{color:var(--accent);font-style:normal;font-size:12px;letter-spacing:.05em}

.article{max-width:720px;margin:0 auto;padding:clamp(50px,9vh,90px) 20px}
.article h2{font-family:"Playfair Display";font-weight:700;font-size:clamp(26px,4vw,38px);color:#f3ead2;
  margin:54px 0 18px;line-height:1.15;position:relative;padding-top:18px}
.article h2::before{content:"";position:absolute;top:0;left:0;width:48px;height:3px;background:var(--accent)}
.article h2.pause{font-style:italic;color:var(--accent-soft)}
.article h2.pause::before{width:100%;opacity:.35}
.article p{margin:0 0 20px;color:#e6dcc6;font-size:19px;line-height:1.78}
.article > p:first-of-type::first-letter{font-family:"Playfair Display";font-size:4.4em;line-height:.78;
  float:left;margin:6px 14px 0 0;color:var(--accent);font-weight:900}
.article strong{color:#f4ecd6}
.article ul{margin:0 0 22px;padding-left:0;list-style:none}
.article li{position:relative;padding-left:26px;margin-bottom:10px;color:#ddd2bb;font-size:17px}
.article li::before{content:"₽";position:absolute;left:0;top:0;color:var(--accent);font-size:14px}

.pager{max-width:920px;margin:0 auto;padding:30px 20px 80px;display:flex;gap:16px;justify-content:space-between}
.pn{flex:1;display:flex;flex-direction:column;gap:6px;padding:22px 26px;border:1px solid var(--line);border-radius:10px;
  font-family:"Playfair Display";font-size:20px;color:#f0e6cd;background:var(--ink2);transition:.25s;max-width:48%}
.pn span{font-family:"PT Sans Narrow";letter-spacing:.1em;text-transform:uppercase;font-size:13px;color:var(--accent-soft)}
.pn.next{text-align:right;align-items:flex-end}
.pn:hover{border-color:var(--accent);background:#1d1810;transform:translateY(-3px)}
.chap-foot{text-align:center;padding:40px 20px;border-top:1px solid var(--line);background:#080604}
.chap-foot a{font-family:"PT Sans Narrow";letter-spacing:.1em;text-transform:uppercase;color:var(--gold-soft);font-size:15px}
.to-top{position:fixed;right:22px;bottom:22px;z-index:40;width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;background:var(--accent);color:#1a1408;font-size:20px;
  opacity:0;pointer-events:none;transition:.3s;box-shadow:0 8px 24px rgba(0,0,0,.5)}
.to-top.show{opacity:1;pointer-events:auto}

/* ===== responsive ===== */
@media(max-width:860px){
  body{font-size:17px}
  .dots{display:none}
  .chapter{grid-template-columns:1fr;gap:24px}
  .chapter.side-right .ch-figure{order:0}
  .cap-cards{grid-template-columns:1fr}
  .foot-cols{grid-template-columns:1fr;gap:28px}
  .frame img{height:300px}
  .pager{flex-direction:column}
  .pn{max-width:100%}
  .article > p:first-of-type::first-letter{font-size:3.4em}
}