:root{
  --gold:#f5c518;
  --gold-soft:#ffe08a;
  --ink:#ffffff;
  --body:rgba(255,255,255,.94);
  --mute:rgba(255,255,255,.72);
  --dim:rgba(255,255,255,.72);
  /* four type steps, nothing smaller than --t-sm */
  --t-xl:clamp(30px,3.8vw,58px);
  --t-lg:clamp(22px,2.3vw,38px);
  --t-md:clamp(16px,1.35vw,23px);
  --t-sm:clamp(12.5px,1.05vw,17px);
  --bg:#05070f;
  --serif:"Playfair Display",Georgia,serif;
  --sans:"Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --pad:clamp(22px,5vw,96px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);overflow:hidden;
  font-size:var(--t-md);line-height:1.55;-webkit-font-smoothing:antialiased}

/* ---------- chrome ---------- */
.hud{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;justify-content:space-between;
  padding:clamp(14px,2.2vw,26px) var(--pad);font-size:var(--t-sm);letter-spacing:.2em;
  text-transform:uppercase;color:var(--mute);text-shadow:0 1px 14px rgba(0,0,0,.8);pointer-events:none}
.hud-right{display:flex;gap:16px;pointer-events:auto}
.timer{font-variant-numeric:tabular-nums;cursor:pointer}
.timer.on{color:var(--gold)}
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:41;background:rgba(255,255,255,.08)}
.progress i{display:block;height:100%;width:0;background:var(--gold);transition:width .8s cubic-bezier(.2,.8,.2,1)}
.credit{position:fixed;right:var(--pad);bottom:clamp(14px,2.4vh,26px);z-index:40;margin:0;max-width:34ch;
  text-align:right;font-size:clamp(11px,.85vw,13.5px);line-height:1.45;letter-spacing:.02em;color:rgba(255,255,255,.6);
  text-shadow:0 1px 10px rgba(0,0,0,.9);transition:opacity .5s}

/* ---------- slides ---------- */
#deck{position:relative;height:100dvh}
.slide{position:absolute;inset:0;opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .8s ease,visibility .8s}
.slide.is-active{opacity:1;visibility:visible;pointer-events:auto}
.bg{position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1.06);transition:transform 14s linear,filter 1.2s ease;filter:saturate(.85) contrast(1.05)}
.is-active .bg{transform:scale(1.16)}
.slide[data-focus="right"] .bg{background-position:72% center}
.slide[data-focus="top"] .bg{background-position:center 22%}
.overlay{position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(4,6,14,.94) 0%,rgba(4,6,14,.86) 34%,rgba(4,6,14,.42) 62%,rgba(4,6,14,.68) 100%),
    linear-gradient(0deg,rgba(4,6,14,.9) 0%,transparent 38%),
    radial-gradient(90% 70% at 70% 30%,rgba(10,30,90,.34),transparent 70%)}
.overlay.ov-full{background:
    linear-gradient(0deg,rgba(4,6,14,.92),rgba(4,6,14,.82)),
    radial-gradient(80% 70% at 62% 34%,rgba(12,36,104,.5),transparent 72%)}

.content{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;
  padding:clamp(70px,10vh,120px) var(--pad) clamp(64px,9vh,104px);width:min(1020px,72%)}
.content.wide{width:min(1420px,100%)}
.content.center{width:100%;align-items:center;text-align:center}

/* reveal */
.r{opacity:0;transform:translate3d(0,26px,0);
  transition:opacity .85s cubic-bezier(.2,.7,.2,1),transform 1s cubic-bezier(.16,.8,.24,1)}
.is-active .r.in{opacity:1;transform:none}

/* ---------- type ---------- */
.eyebrow,.kicker{margin:0 0 clamp(12px,2vh,20px);font-size:var(--t-sm);letter-spacing:.32em;
  text-transform:uppercase;color:var(--gold);font-weight:700}
h1{margin:0 0 clamp(18px,3vh,30px);font-family:var(--serif);font-weight:700;letter-spacing:-.022em;
  font-size:clamp(42px,7.4vw,118px);line-height:.94}
h2{margin:0 0 clamp(16px,2.6vh,30px);font-family:var(--serif);font-weight:700;letter-spacing:-.018em;
  font-size:var(--t-xl);line-height:1.04;max-width:20ch}
.lede{margin:0;max-width:52ch;font-size:var(--t-md);color:var(--body);line-height:1.55}
.sub{margin:0 0 clamp(18px,3vh,32px);max-width:74ch;font-size:var(--t-md);color:var(--body)}
.sub b{color:var(--ink);font-weight:700}
.note{margin:clamp(18px,3vh,32px) 0 0;max-width:86ch;padding-left:clamp(14px,1.5vw,22px);
  border-left:2px solid rgba(255,255,255,.22);color:var(--body);font-size:var(--t-md)}
.hint{position:absolute;left:0;right:0;bottom:clamp(54px,8vh,80px);margin:0;text-align:center;
  font-size:var(--t-sm);letter-spacing:.24em;text-transform:uppercase;color:var(--mute)}
.rule{display:flex;align-items:center;gap:clamp(12px,2vw,26px);margin-top:clamp(24px,4vh,44px);
  color:var(--mute);font-size:var(--t-sm);letter-spacing:.24em;font-variant-numeric:tabular-nums}
.rule i{width:clamp(22px,4vw,72px);height:1px;background:rgba(255,255,255,.28)}

/* figures */
.figures{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.8vw,46px)}
.figures.four{grid-template-columns:repeat(4,1fr)}
.fig b{display:block;font-family:var(--serif);font-size:var(--t-xl);line-height:.95;
  color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.03em}
.fig i{display:block;margin:10px 0 8px;font-style:normal;color:var(--gold);font-weight:800;
  font-size:var(--t-sm);letter-spacing:.1em;text-transform:uppercase}
.fig p{margin:0;color:var(--body);font-size:var(--t-md);max-width:26ch}

/* columns of running text */
.columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(18px,2.6vw,44px)}
.lead-text{margin:0;font-size:var(--t-md);line-height:1.55;color:var(--body)}
.lead-text.dim{color:var(--mute)}

/* rows */
.rows{display:grid;gap:0}
.row{display:grid;grid-template-columns:clamp(112px,11vw,190px) 1fr;gap:clamp(14px,2vw,32px);
  padding:clamp(12px,1.5vh,20px) 0;border-top:1px solid rgba(255,255,255,.14)}
.rows .row:last-child{border-bottom:1px solid rgba(255,255,255,.14)}
.row b{font-size:var(--t-sm);color:var(--gold-soft);font-weight:800;letter-spacing:.1em;
  text-transform:uppercase;line-height:1.5;padding-top:.15em}
.row p{margin:0;color:var(--body);font-size:var(--t-md)}
.row.key{background:rgba(245,197,24,.09);box-shadow:inset 3px 0 0 var(--gold);
  padding-left:clamp(14px,1.5vw,24px);padding-right:clamp(14px,1.5vw,24px)}
.row.key b{color:var(--gold)}
.row.key p{color:var(--ink)}
.rows.compact .row{padding:clamp(9px,1.1vh,14px) 0}

/* trio */
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,34px)}
.t-item{padding-top:clamp(12px,1.6vh,20px);border-top:2px solid rgba(255,255,255,.2)}
.t-item.hi{border-top-color:var(--gold)}
.t-item span{display:block;font-size:var(--t-sm);letter-spacing:.1em;text-transform:uppercase;
  color:var(--gold);font-weight:800;margin-bottom:8px}
.t-item b{display:block;font-family:var(--serif);font-size:var(--t-lg);line-height:1.05;margin-bottom:10px}
.t-item p{margin:0;color:var(--body);font-size:var(--t-md)}

.line-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,34px);
  margin-top:clamp(18px,3vh,32px);padding-top:clamp(14px,2vh,24px);border-top:1px solid rgba(255,255,255,.14)}
.lf b{display:block;font-size:var(--t-sm);color:var(--gold-soft);font-weight:800;
  letter-spacing:.14em;text-transform:uppercase;margin-bottom:4px}
.lf span{color:var(--body);font-size:var(--t-md)}

/* facts */
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,32px);margin-top:clamp(18px,3vh,30px)}
.fact b{display:block;font-size:var(--t-sm);letter-spacing:.1em;text-transform:uppercase;
  color:var(--gold);font-weight:800;margin-bottom:8px}
.fact p{margin:0;color:var(--body);font-size:var(--t-md)}

/* quote + portrait */
.quote{margin:0;font-family:var(--serif);font-style:italic;font-size:var(--t-lg);
  line-height:1.2;letter-spacing:-.015em;color:var(--ink);max-width:26ch;text-wrap:balance}
.quote::before{content:"«";color:var(--mute);margin-right:.08em}
.quote::after{content:"»";color:var(--mute);margin-left:.06em}
.portrait-grid{display:grid;grid-template-columns:clamp(220px,24vw,380px) 1fr;gap:clamp(24px,4vw,72px);align-items:center}
.portrait{margin:0}
.portrait img{width:100%;display:block;border-radius:3px;filter:grayscale(.15) contrast(1.06);
  box-shadow:0 30px 80px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.16)}
.portrait figcaption{margin-top:14px;font-weight:700;font-size:var(--t-md);color:var(--ink)}
.portrait figcaption span{display:block;font-weight:400;color:var(--mute);font-size:var(--t-sm);margin-top:4px}

/* flags */
.flag-row{display:flex;flex-wrap:wrap;gap:clamp(10px,1.4vw,22px)}
.flag-item{width:clamp(96px,10vw,150px)}
.flag-item img{width:100%;aspect-ratio:3/2;object-fit:cover;display:block;border-radius:2px;
  box-shadow:0 10px 26px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.22)}
.flag-item span{display:block;margin-top:10px;font-weight:700;font-size:var(--t-sm);color:var(--ink)}
.flag-row.big .flag-item{width:clamp(74px,7.4vw,110px)}

/* waves of enlargement */
.waves{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.6vw,48px)}
.wave-head{display:flex;align-items:baseline;gap:12px;margin-bottom:clamp(12px,1.8vh,20px);
  padding-bottom:10px;border-bottom:2px solid var(--gold)}
.wave-head b{font-family:var(--serif);font-size:var(--t-lg);line-height:1}
.wave-head i{font-style:normal;color:var(--gold-soft);font-size:var(--t-sm);letter-spacing:.1em;text-transform:uppercase}
.wave-flags{display:flex;flex-wrap:wrap;gap:10px}
.wave-flags figure{margin:0;width:clamp(62px,6.2vw,92px)}
.wave-flags img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:2px;
  box-shadow:0 8px 20px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.2)}
.wave-flags figcaption{margin-top:6px;font-size:var(--t-sm);color:var(--body)}

/* closing */
.closing{max-width:none;margin-bottom:clamp(22px,4vh,40px)}
.sources{list-style:none;margin:0;padding:0;display:grid;gap:clamp(8px,1.2vh,14px);max-width:78ch}
.sources li{color:var(--body);font-size:var(--t-md);line-height:1.55;
  padding-top:clamp(8px,1.2vh,14px);border-top:1px solid rgba(255,255,255,.14)}

/* nav */
.nav{position:fixed;top:50%;transform:translateY(-50%);z-index:45;width:clamp(36px,3vw,46px);aspect-ratio:1;
  border-radius:50%;border:1px solid rgba(255,255,255,.2);background:rgba(6,10,26,.4);color:rgba(244,246,255,.8);
  font-size:16px;cursor:pointer;transition:.25s;backdrop-filter:blur(6px)}
.nav:hover{border-color:var(--gold);color:var(--gold)}
.nav[disabled]{opacity:.2;pointer-events:none}
.prev{left:clamp(8px,1.2vw,22px)}
.next{right:clamp(8px,1.2vw,22px)}
.dots{position:fixed;left:50%;transform:translateX(-50%);bottom:clamp(12px,2vh,22px);z-index:45;display:flex;gap:6px}
.dots button{width:6px;height:6px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.26);cursor:pointer;transition:.3s}
.dots button.on{background:var(--gold);transform:scale(1.4)}

@media (max-width:1100px){
  .content{width:min(100%,860px)}
  .figures,.figures.four,.trio,.line-facts,.facts,.waves,.columns{grid-template-columns:repeat(2,1fr)}
  .portrait-grid{grid-template-columns:1fr;gap:20px}
  .portrait{max-width:220px}
}
@media (max-width:660px){
  .figures,.figures.four,.trio,.line-facts,.facts,.waves,.columns{grid-template-columns:1fr}
  .row{grid-template-columns:1fr;gap:4px}
  .nav,.credit{display:none}
  .content{padding-top:80px;overflow-y:auto}
  h2{font-size:30px}
}
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.2s!important}}

.srcline{margin:clamp(14px,2vh,22px) 0 0;font-size:var(--t-sm);
  letter-spacing:.02em;color:var(--mute)}

/* the closing "Главное" row sits flush under a preceding block */
.rows + .rows{margin-top:0}
.rows + .rows .row{border-top:0}