@font-face{
  font-family:'Inter';font-style:normal;font-weight:400 700;font-display:swap;
  src:url(../../fonts/inter-cyrillic.woff2) format('woff2');
  unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;
}
@font-face{
  font-family:'Inter';font-style:normal;font-weight:400 700;font-display:swap;
  src:url(../../fonts/inter-latin.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+2000-206F,U+2122,U+2191,U+2193,U+2212,U+2215;
}

:root{
  --ink:#01033A;          /* bg-inverse з макета */
  --ink-soft:#5C5D6D;
  --paper:#FCFBF9;
  --line:#E4E1DB;
  --accent:#E2571F;
  --accent-soft:#FBEDE3;
  --navy:#02066F;
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--ink);color:var(--ink);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  -webkit-font-smoothing:antialiased;overflow:hidden;
}

/* ---------- каркас ---------- */
.viewport{
  position:fixed;inset:0 0 56px;overflow:hidden;
}
.stage{
  position:absolute;left:50%;top:50%;transform-origin:center center;
  width:1920px;height:1080px;
  background:var(--paper);border-radius:6px;overflow:hidden;
  box-shadow:0 40px 120px rgba(0,0,0,.45);
}

.slide{
  position:absolute;inset:0;padding:0;margin:0;
  opacity:0;visibility:hidden;transform:translateX(40px);
  transition:none;                       /* попередній слайд зникає миттєво — без «привида» */
  background:var(--paper);
}
.slide.is-on{
  opacity:1;visibility:visible;transform:none;z-index:2;
  transition:opacity .3s ease, transform .36s cubic-bezier(.2,.7,.3,1);
}
.slide.is-past{transform:translateX(-40px)}
.is-back .slide.is-on{animation:slide-back .36s cubic-bezier(.2,.7,.3,1)}
@keyframes slide-back{from{opacity:0;transform:translateX(-40px)}to{opacity:1;transform:none}}

.slide__no{
  position:absolute;right:56px;bottom:44px;
  font-size:15px;font-weight:600;letter-spacing:.14em;color:#C3C0B9;
}

/* ---------- типографіка полотна ---------- */
.pad{position:absolute;inset:0;padding:72px 120px 96px;display:flex;flex-direction:column}
.pad--mid{justify-content:center;padding-bottom:140px}
.pad--split{padding-right:0;flex-direction:row;gap:0}
.col{width:960px;flex:none;padding-right:40px;display:flex;flex-direction:column}
/* надзаголовок і тайтл лишаються вгорі, блоки під ними центруються */
.col .s-title{margin-bottom:24px}
.col .box:first-of-type,
.col .ba{margin-top:auto}
.col > :last-child{margin-bottom:auto}

.eyebrow{margin:0 0 22px;font-size:15px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft)}
.rule{display:block;height:1px;background:var(--line);margin-bottom:56px}
.pad--mid .rule{margin-bottom:64px}

.s-title{margin:0 0 56px;font-size:58px;line-height:1.08;font-weight:600;letter-spacing:-.035em;text-wrap:balance}
.s-title--lg{font-size:68px;margin-bottom:24px}
.s-title em{font-style:normal;color:var(--accent)}

.display{
  margin:0;font-size:86px;line-height:1.06;font-weight:600;letter-spacing:-.04em;
  max-width:1560px;text-wrap:balance;
}
.display--quote{font-size:74px;line-height:1.14;letter-spacing:-.035em;max-width:1500px}
.display--center{text-align:center;width:100%}
.display em{font-style:normal;color:var(--accent)}

.kicker{margin:48px 0 0;font-size:26px;line-height:1.4;color:var(--ink-soft);max-width:900px}
.kicker--center{text-align:center;width:100%;margin-top:36px}
.lead{margin:0 0 56px;font-size:24px;line-height:1.5;color:var(--ink-soft);max-width:1300px}
.footnote{
  margin:auto 0 0;padding-top:28px;border-top:1px solid var(--line);
  font-size:22px;font-weight:500;color:var(--ink)
}

/* висновок-плашка внизу слайда */
.conclusion{
  display:flex;align-items:center;gap:22px;
  margin:auto 0 0;padding:34px 40px;border-radius:20px;
  background:var(--ink);color:var(--paper);
  font-size:32px;font-weight:600;letter-spacing:-.02em;line-height:1.25;
}
.conclusion__eq{color:var(--accent);font-weight:600}
.conclusion__chip{
  padding:12px 26px;border-radius:999px;background:#fff;color:var(--navy);
  font-weight:600;letter-spacing:-.02em;white-space:nowrap;
}
.conclusion__dot{
  width:12px;height:12px;border-radius:50%;background:var(--accent);flex:none;
  box-shadow:0 0 0 6px rgba(226,87,31,.18);
}
.slide--patterns.is-on .conclusion{animation:concl-in .45s cubic-bezier(.2,.7,.3,1) both;animation-delay:.36s}
@keyframes concl-in{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.slide--patterns.is-on .conclusion{animation:none}}

.pill{
  align-self:flex-start;margin:0 0 32px;padding:11px 22px;border-radius:999px;
  background:var(--ink);color:var(--paper);
  font-size:17px;font-weight:600;letter-spacing:-.01em;
}

/* ---------- обкладинки ---------- */
.cover{position:absolute;inset:0;background:var(--ink);color:var(--paper);display:flex;flex-direction:column;justify-content:center;padding:120px}
.cover__mark{font-size:20px;font-weight:600;letter-spacing:-.02em;opacity:.6}
.cover h1{margin:20px 0 0;font-size:112px;line-height:1.02;font-weight:600;letter-spacing:-.045em;max-width:1400px}
.cover__team{margin:32px 0 0;font-size:26px;color:rgba(252,251,249,.72)}

/* обкладинка з фото команди */
.cover--team{padding:0;justify-content:flex-end;overflow:hidden}
.cover__photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 34%}
.cover__scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(to top, rgba(1,3,58,.95) 0%, rgba(1,3,58,.82) 24%, rgba(1,3,58,.18) 52%, rgba(1,3,58,0) 78%),
    linear-gradient(to right, rgba(1,3,58,.45) 0%, rgba(1,3,58,0) 48%);
}
.cover__logo{
  position:absolute;top:72px;right:72px;width:200px;height:200px;object-fit:cover;
  border-radius:12px;box-shadow:0 24px 60px rgba(0,0,0,.4);
}
.cover__inner{position:relative;padding:0 120px 110px}
.cover__wordmark{display:block;width:300px;height:auto;opacity:.92}
.cover--team h1{max-width:1200px}

/* ---------- agenda ---------- */
.agenda__title{margin:40px 0 72px;font-size:96px;font-weight:600;letter-spacing:-.045em}
.agenda{list-style:none;margin:0;padding:0}
.agenda li{
  display:flex;gap:40px;align-items:baseline;
  padding:26px 0;border-top:1px solid var(--line);
  font-size:30px;line-height:1.35;max-width:1450px;
}
.agenda li:last-child{border-bottom:1px solid var(--line)}
.agenda__n{font-size:16px;font-weight:600;letter-spacing:.12em;color:var(--accent);flex:none;width:40px}
.agenda__cat{
  position:absolute;right:0;bottom:0;width:560px;padding:0;border:0;background:none;
  cursor:pointer;line-height:0;transition:transform .18s ease;
}
.agenda__cat img{width:100%;height:auto;display:block;user-select:none}
.agenda__cat:hover{transform:translateY(-6px) rotate(-1.5deg)}
.agenda__cat:active{transform:translateY(-2px) scale(.99)}

/* ---------- виклик як цитата ---------- */
.slide--challenge .s-title{font-size:52px;max-width:1400px}
.challenge{position:relative;margin:0 0 auto;padding-left:96px;max-width:1240px}
.challenge__mark{
  position:absolute;left:0;top:-26px;
  font-size:150px;line-height:1;color:var(--accent);font-weight:600;
}
.challenge__body{
  margin:0;font-size:30px;line-height:1.52;color:var(--ink);letter-spacing:-.01em;
}
.challenge__body p{margin:0 0 24px}
.challenge__body p:last-child{margin-bottom:0}
.challenge__body p:last-child::after{content:"”"}

/* ---------- цифри ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-block:auto}
.stat{
  background:var(--accent-soft);border-radius:20px;padding:56px 48px;
  display:flex;flex-direction:column;justify-content:center;min-height:420px;
}
.stat__value{font-size:184px;line-height:.9;font-weight:600;letter-spacing:-.05em;color:var(--accent);font-variant-numeric:tabular-nums}
.stat__label{margin-top:36px;font-size:19px;font-weight:600;letter-spacing:-.01em;color:var(--ink)}
.stat__sub{margin-top:10px;font-size:22px;color:var(--ink-soft)}
.split__body{
  margin:0;padding:56px 48px;border:1px solid var(--line);border-radius:20px;min-height:420px;
  font-size:24px;line-height:1.6;
}
.split--test{grid-template-columns:520px 1fr;align-items:stretch}
.split--test .split__body{display:flex;flex-direction:column;justify-content:center}
.stat--boxed{align-items:center;text-align:center}
.split__lead{margin:0;font-size:34px;line-height:1.34;font-weight:500;letter-spacing:-.02em;color:var(--ink)}
.split__sub{margin:28px 0 0;font-size:20px;color:var(--ink-soft)}

.goal{display:flex;align-items:center;gap:56px;margin-block:auto}
.goal__cell{
  flex:1;padding:64px 56px;border:1px solid var(--line);border-radius:20px;min-height:380px;
  display:flex;flex-direction:column;justify-content:center;
}
.goal__cell .stat__value{color:var(--ink-soft)}
.goal__cell--target{background:var(--accent-soft);border-color:transparent}
.goal__cell--target .stat__value{color:var(--accent)}
.goal__arrow{font-size:64px;color:var(--ink-soft)}

/* ---------- сітки ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;margin-block:auto}
.cell{
  padding:40px 36px;border:1px solid var(--line);border-radius:20px;background:#fff;
  min-height:300px;
}
.cell--accent{background:var(--accent-soft);border-color:transparent}
.cell__n{display:block;font-size:15px;font-weight:600;letter-spacing:.14em;color:var(--accent)}
.cell h3{margin:22px 0 12px;font-size:29px;font-weight:600;letter-spacing:-.02em}
.cell p{margin:0;font-size:22px;line-height:1.45;color:var(--ink-soft)}

.finding{display:grid;grid-template-columns:520px 1fr;gap:80px;align-items:center;margin-block:auto}
.quote{position:relative;margin:0;padding-left:96px}
.quote__mark{
  position:absolute;left:0;top:-30px;
  font-size:150px;line-height:1;color:var(--accent);font-weight:600;
}
.quote blockquote{
  margin:0;font-size:40px;line-height:1.34;font-weight:500;letter-spacing:-.025em;
  color:var(--ink);text-wrap:balance;
}
.quote blockquote::after{content:"”"}
.quote figcaption{margin-top:28px;font-size:24px;color:var(--ink-soft)}

/* ---------- гіпотези ---------- */
.hypo{display:grid;grid-template-columns:1fr 560px;gap:100px;flex:1;align-items:start}
.hypo__body{
  margin:0;padding-left:44px;border-left:4px solid var(--accent);
  font-size:34px;line-height:1.45;letter-spacing:-.015em;
}
.ref{align-self:end;padding:36px 34px;border-radius:20px;background:var(--ink);color:var(--paper)}
.ref__head{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.ref__logo{width:40px;height:40px;flex:none;border-radius:50%}
.ref h3{margin:0;font-size:24px;font-weight:600}
.ref p{margin:0;font-size:20px;line-height:1.45;color:rgba(252,251,249,.66)}

/* ---------- бар'єри ---------- */
.box{margin-top:24px;padding:34px 32px;border:1px solid var(--line);border-radius:20px;background:#fff}
.box--friction{background:var(--accent-soft);border-color:transparent}
.box--flow{background:var(--ink);color:var(--paper)}
.box__label{
  display:block;margin-bottom:18px;font-size:18px;font-weight:600;letter-spacing:-.01em;color:var(--ink-soft);
}
.box--friction .box__label{color:var(--accent)}
.box p{margin:0;font-size:24px;line-height:1.45}
.box__h{margin:0 0 12px;font-size:32px;font-weight:600;letter-spacing:-.02em}
.box__list{margin-top:18px !important;font-size:20px !important;color:var(--ink-soft)}
.clip{
  margin:24px 0 0;padding-left:26px;position:relative;
  font-size:19px;color:var(--ink-soft);
}
.clip::before{content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:2px;background:var(--accent)}

.phones{--k:.88;flex:1;display:flex;align-items:center;justify-content:center;gap:28px;padding:0 60px 0 0}
.phone-slot{
  width:calc(402px * var(--k));height:calc(874px * var(--k));flex:none;
  border-radius:40px;overflow:hidden;
  background:#fff;box-shadow:0 30px 70px rgba(1,3,58,.16);border:1px solid var(--line);
}
.phones--1{--k:.94}
.phones--2 .phone-slot:first-child{transform:translateY(22px);opacity:.97}
.phone-embed{
  width:402px;height:874px;border:0;display:block;background:#fff;
  transform:scale(var(--k));transform-origin:top left;
}

/* ---------- було / стало ---------- */
.ba{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start;margin-block:auto}
.ba--stack{grid-template-columns:1fr;gap:20px;margin-block:0}
.track{padding:40px 36px;border:1px solid var(--line);border-radius:20px;background:#fff}
.track--after{background:var(--ink);color:var(--paper);border-color:transparent}
.track__label{display:block;margin-bottom:26px;font-size:19px;font-weight:600;letter-spacing:-.01em;color:var(--ink-soft)}
.track--after .track__label{color:var(--accent)}
.track ol{list-style:none;margin:0;padding:0}
.track li{
  position:relative;padding:0 0 0 30px;margin-bottom:22px;
  font-size:25px;line-height:1.2;
}
.ba--stack .track li{margin-bottom:14px;font-size:22px}
.track li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background:var(--ink-soft);
}
.track--after li::before{background:var(--accent)}
.track li:last-child{margin-bottom:0}

/* ---------- фінал ---------- */
.final{justify-content:center;padding-bottom:150px}
.final .display{max-width:1400px}
.final__body{margin:56px 0 0;max-width:1180px;font-size:24px;line-height:1.6;color:var(--ink-soft)}
.final__note{margin:auto 0 0;font-size:22px;font-weight:500;color:var(--accent)}

/* фінал із фото на всю праву половину */
.final--photo{padding-right:0}
.final--photo .display,
.final--photo .final__body{max-width:900px}
.final__photo{
  position:absolute;right:0;top:0;width:960px;height:100%;
  object-fit:cover;border-radius:0;
  /* мʼяко розчиняється у білому тлі слайда */
  -webkit-mask-image:linear-gradient(to right, transparent 0, rgba(0,0,0,.35) 16%, #000 46%);
          mask-image:linear-gradient(to right, transparent 0, rgba(0,0,0,.35) 16%, #000 46%);
}
.slide--final.is-on .final__photo{animation:photo-in .6s cubic-bezier(.2,.7,.3,1) both;animation-delay:.1s}
@media (prefers-reduced-motion:reduce){.slide--final.is-on .final__photo{animation:none}}

/* слайд «Чому це важливо» — шапка як на решті слайдів + ланцюжок із макета 40000084:13116 */
.slide--statement .s-title{margin-bottom:0}
.statement__wrap{margin-block:auto}
.statement__sub{margin:0 0 44px;font-size:21px;line-height:1.4;color:var(--ink-soft)}

.chain{display:flex;align-items:center;gap:16px;margin-bottom:44px}
.chip{
  display:flex;align-items:center;justify-content:center;height:79px;padding:0 40px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:25px;font-weight:500;letter-spacing:-.01em;white-space:nowrap;
}
.chip--on{background:var(--accent);border-color:transparent;color:#fff;font-weight:600}
.chain__arw{font-size:24px;color:var(--ink-soft);padding:0 4px}
.slide--statement.is-on .chip{animation:chip-in .42s cubic-bezier(.2,.7,.3,1) both;animation-delay:calc(var(--i) * 110ms + 120ms)}
@keyframes chip-in{from{opacity:0;transform:translateX(-18px)}to{opacity:1;transform:none}}

.notecard{
  margin:0;padding:36px 40px;border-radius:16px;background:#fff;border:1px solid var(--line);
  font-size:22px;line-height:1.5;color:var(--ink);
}

@media (prefers-reduced-motion:reduce){
  .slide--statement.is-on .chip{animation:none}
}

.grid-3--needs{gap:32px}
.need{padding:44px 36px;border-top:2px solid var(--ink);background:transparent}
.need__n{display:block;margin-bottom:28px;font-size:52px;font-weight:600;letter-spacing:-.04em;color:var(--accent);font-variant-numeric:tabular-nums}
.need p{margin:0;font-size:25px;line-height:1.4}

/* слайд із прототипом */
.proto .col{justify-content:center}
.proto__note{margin:0;max-width:760px;font-size:26px;line-height:1.5;color:var(--ink-soft)}
.proto__link{margin:36px 0 0}
.proto__link span{
  display:inline-block;padding:14px 26px;border-radius:999px;
  background:var(--ink);color:var(--paper);font-size:22px;font-weight:600;letter-spacing:-.01em;
}
.phones--big{--k:1}
.phones--big .phone-slot{border-radius:46px}

/* фінальний слайд із фото команди */
/* фото та окуляри живуть в одній системі координат — самому фото 1920×1498 */
.closing__stage{position:absolute;left:0;top:-125px;width:1920px;height:1498px}
.closing__photo{display:block;width:1920px;height:1498px}
.closing__photo--after{
  position:absolute;left:0;top:0;object-fit:cover;opacity:0;
}
.slide--closing.is-on .closing__photo--after{
  animation:shades-in 1.1s ease .9s both;
}
@keyframes shades-in{from{opacity:0}to{opacity:1}}
@media (prefers-reduced-motion:reduce){
  .slide--closing.is-on .closing__photo--after{animation:none;opacity:1}
}
.closing__scrim{position:absolute;inset:0;background:rgba(1,3,58,.72)}
.closing--photo{position:absolute;z-index:4}
/* кішка на фінальному слайді */
.closing__cat{
  position:absolute;left:60px;bottom:0;width:560px;height:auto;z-index:5;
  cursor:pointer;user-select:none;transition:transform .18s ease;
  filter:drop-shadow(0 20px 44px rgba(0,0,0,.5));
}
.closing__cat:hover{transform:translateY(-8px) rotate(-1.5deg)}
.slide--closing.is-on .closing__cat{animation:cat-in .7s cubic-bezier(.2,.8,.3,1) both;animation-delay:.5s}
@keyframes cat-in{from{opacity:0;transform:translateY(60px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.slide--closing.is-on .closing__cat{animation:none}}

.closing__team{margin:28px 0 0;text-align:center;width:100%;font-size:26px;color:rgba(252,251,249,.78)}

.closing{align-items:center;justify-content:center}
.slide--closing{background:var(--ink)}
.slide--closing .pad{color:var(--paper)}
.slide--closing .kicker{color:rgba(252,251,249,.66)}
.slide--closing .slide__no{color:rgba(252,251,249,.35)}

/* салют */
.fx{position:absolute;inset:0;width:1920px;height:1080px;pointer-events:none;z-index:3}
.slide--closing .pad,.slide--final .pad{position:absolute;z-index:4}

/* інсайт із вирізаною постаттю */
.insight--cutout .display{max-width:1140px}
.insight__cutout{
  position:absolute;right:96px;bottom:0;width:560px;height:auto;
  pointer-events:none;user-select:none;
  filter:drop-shadow(0 24px 48px rgba(1,3,58,.18));
}
.slide--insight.is-on .insight__cutout{animation:cutout-in .55s cubic-bezier(.2,.7,.3,1) both;animation-delay:.12s}
@keyframes cutout-in{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.slide--insight.is-on .insight__cutout{animation:none}}

/* розділовий слайд із фото персони на весь екран */
.slide--section:has(.section--photo){background:var(--ink)}
.section--photo{padding:120px}
.section__photo{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:center 42%;
}
.section__duo{position:absolute;inset:0;display:grid;grid-template-columns:1fr 1fr}
.section__duo img{width:100%;height:100%;object-fit:cover;display:block}
.section--duo .section__scrim{
  background:
    linear-gradient(to top, rgba(1,3,58,.95) 0%, rgba(1,3,58,.72) 30%, rgba(1,3,58,.2) 60%, rgba(1,3,58,.12) 100%);
}
.section--duo .section__col{max-width:1400px;margin-top:auto}
.slide--section.is-on .section__duo img{animation:photo-in .6s cubic-bezier(.2,.7,.3,1) both}
.slide--section.is-on .section__duo img:last-child{animation-delay:.12s}
@media (prefers-reduced-motion:reduce){.slide--section.is-on .section__duo img{animation:none}}

.section__scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(to right, rgba(1,3,58,.94) 0%, rgba(1,3,58,.86) 34%, rgba(1,3,58,.42) 62%, rgba(1,3,58,.3) 100%),
    linear-gradient(to top, rgba(1,3,58,.5) 0%, rgba(1,3,58,0) 45%);
}
.section__col{position:relative;z-index:2;max-width:1000px;display:flex;flex-direction:column}
.section--photo .eyebrow{color:rgba(252,251,249,.72)}
.section--photo .rule{background:rgba(252,251,249,.28);margin-bottom:44px}
.section--photo .display{font-size:64px;line-height:1.1;color:var(--paper);text-shadow:0 2px 24px rgba(1,3,58,.5)}
.section--photo .kicker{color:rgba(252,251,249,.78)}
.slide--section:has(.section--photo) .slide__no{color:rgba(252,251,249,.4)}
.slide--section.is-on .section__photo{animation:photo-in .6s cubic-bezier(.2,.7,.3,1) both;animation-delay:.1s}
@keyframes photo-in{from{opacity:0;transform:translateY(24px) scale(.98)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.slide--section.is-on .section__photo{animation:none}}

/* ---------- темний варіант окремого слайда ---------- */
.slide.is-dark{background:var(--ink);color:var(--paper)}
.slide.is-dark .eyebrow{color:rgba(252,251,249,.55)}
.slide.is-dark .rule{background:rgba(252,251,249,.18)}
.slide.is-dark .slide__no{color:rgba(252,251,249,.3)}
.slide.is-dark .kicker,
.slide.is-dark .lead,
.slide.is-dark .split__sub,
.slide.is-dark .statement__sub{color:rgba(252,251,249,.66)}
.slide.is-dark .box,
.slide.is-dark .cell,
.slide.is-dark .track,
.slide.is-dark .notecard,
.slide.is-dark .split__body,
.slide.is-dark .goal__cell{
  background:rgba(252,251,249,.06);border-color:rgba(252,251,249,.16);color:var(--paper);
}
.slide.is-dark .cell p,
.slide.is-dark .box__label,
.slide.is-dark .track__label{color:rgba(252,251,249,.6)}
.slide.is-dark .ref{
  background:rgba(252,251,249,.08);border:1px solid rgba(252,251,249,.16);
}
.slide.is-dark .footnote{border-top-color:rgba(252,251,249,.18);color:var(--paper)}

/* ---------- нижня панель ---------- */
.bar{
  position:fixed;left:0;right:0;bottom:0;height:56px;
  display:flex;align-items:center;gap:20px;padding:0 20px;
  background:var(--ink);color:rgba(252,251,249,.72);
  font-size:13px;letter-spacing:.02em;
}
.bar__home{color:inherit;text-decoration:none;font-weight:600;white-space:nowrap}
.bar__home:hover{color:#fff}
.bar__chapter{font-weight:600;color:#fff;white-space:nowrap}
.bar__dot{opacity:.35}
.rail{display:flex;gap:3px;flex:1;min-width:0;align-items:center;height:100%}
.tick{
  flex:1;min-width:0;height:3px;padding:0;border:0;border-radius:2px;
  background:rgba(252,251,249,.22);cursor:pointer;transition:background .2s, height .2s;
}
.tick:hover{height:9px;background:rgba(252,251,249,.5)}
.tick.is-on{background:var(--accent)}
.bar__counter{font-variant-numeric:tabular-nums;white-space:nowrap}
.nav{display:flex;gap:8px}
.nav button{
  width:36px;height:32px;border-radius:8px;border:1px solid rgba(252,251,249,.22);
  background:transparent;color:inherit;cursor:pointer;font-size:15px;line-height:1;
  transition:background .15s, border-color .15s;
}
.nav button:hover{background:rgba(252,251,249,.12);border-color:rgba(252,251,249,.4)}
.nav button svg{width:16px;height:16px;fill:currentColor;display:block;margin:0 auto}
.nav button.is-on{background:var(--accent);border-color:transparent;color:#fff}

/* тост про скопійоване посилання */
.toast{
  position:fixed;left:50%;bottom:72px;transform:translate(-50%,8px);
  padding:12px 18px;border-radius:12px;background:var(--paper);color:var(--ink);
  font-size:14px;font-weight:500;box-shadow:0 18px 44px rgba(0,0,0,.35);
  opacity:0;pointer-events:none;transition:opacity .2s ease, transform .2s ease;z-index:20;
}
.toast.is-on{opacity:1;transform:translate(-50%,0)}

:where(a,button):focus-visible{outline:2px solid var(--accent);outline-offset:3px}

@media (prefers-reduced-motion:reduce){
  .slide{transition:opacity .01ms}
  .slide.is-past,.slide{transform:none}
}