/* HUMEUS — spoločný štýl. Bez externých zdrojov, bez CDN, bez sledovania. */

:root {
  --zelena:        #2F4F21;
  --zelena-svetla: #4E7C33;
  --zelena-list:   #7EA653;
  --hlina:         #7A5C32;
  --hlina-tmava:   #3B2A16;
  --papier:        #FBFAF6;
  --papier-2:      #F3F1EA;
  --text:          #1E211C;
  --text-tlmeny:   #5C6355;
  --linka:         #DFDCD1;
  --max:           1080px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --zelena:        #9DC27B;
    --zelena-svetla: #7EA653;
    --zelena-list:   #A8C77E;
    --papier:        #14170F;
    --papier-2:      #1C2016;
    --text:          #E8EADF;
    --text-tlmeny:   #A2A895;
    --linka:         #2E3426;
  }
}
:root[data-theme="dark"] {
  --zelena:        #9DC27B;
  --zelena-svetla: #7EA653;
  --zelena-list:   #A8C77E;
  --papier:        #14170F;
  --papier-2:      #1C2016;
  --text:          #E8EADF;
  --text-tlmeny:   #A2A895;
  --linka:         #2E3426;
}

* { box-sizing: border-box; }

html, body { overflow-x: clip; }   /* poistka proti vodorovnému posunu pri 100vw pásoch */

body {
  margin: 0;
  background: var(--papier);
  color: var(--text);
  font-family: "Liberation Sans", "DejaVu Sans", Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.62;
  -webkit-text-size-adjust: 100%;
}

.obal { max-width: var(--max); margin: 0 auto; padding: 0 16px; }

/* ---------- hlavička ---------- */
header.hlavicka {
  border-bottom: 1px solid var(--linka);
  background: var(--papier);
  position: sticky; top: 0; z-index: 20;
}
.hlavicka .obal {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap;
}
.znacka { display: flex; align-items: center; text-decoration: none; }
.znacka img { height: 42px; width: auto; display: block; }

nav.menu { display: flex; gap: 20px; flex-wrap: wrap; }
nav.menu a {
  color: var(--text-tlmeny); text-decoration: none; font-size: 15px;
  padding: 4px 0; border-bottom: 2px solid transparent;
}
nav.menu a:hover { color: var(--zelena); }
nav.menu a[aria-current="page"] { color: var(--zelena); border-bottom-color: var(--zelena); }

/* ---------- hero ---------- */
.hero { padding: 64px 0 52px; border-bottom: 1px solid var(--linka); }
.hero h1 {
  font-size: clamp(30px, 5.2vw, 46px); line-height: 1.16;
  margin: 0 0 18px; color: var(--zelena); letter-spacing: -0.01em;
}
.hero .veta { font-size: clamp(17px, 2.3vw, 20px); max-width: 62ch; color: var(--text-tlmeny); margin: 0 0 26px; }

/* ---------- typografia ---------- */
h2 {
  font-size: clamp(21px, 3vw, 26px); color: var(--zelena);
  margin: 46px 0 14px; padding-bottom: 8px; border-bottom: 2px solid var(--zelena);
}
h3 { font-size: 17.5px; margin: 26px 0 8px; }
p { margin: 0 0 14px; max-width: 74ch; }
ul, ol { max-width: 74ch; padding-left: 20px; }
li { margin-bottom: 7px; }
a { color: var(--zelena-svetla); }
main { padding-bottom: 56px; }
.uvod { font-size: 18.5px; color: var(--text-tlmeny); max-width: 68ch; }

/* ---------- mriežka kariet ---------- */
.mriezka { display: grid; gap: 18px; margin: 26px 0 8px; }
@media (min-width: 720px) { .mriezka.tri { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 720px) { .mriezka.dve { grid-template-columns: repeat(2, 1fr); } }

.karta {
  background: var(--papier-2); border: 1px solid var(--linka);
  border-radius: 10px; padding: 20px 20px 18px;
}
.karta h3 { margin-top: 0; color: var(--zelena); }
.karta p:last-child { margin-bottom: 0; }
.karta .cislo {
  display: inline-block; font-size: 12px; letter-spacing: .14em;
  color: var(--text-tlmeny); margin-bottom: 6px;
}

/* ---------- kroky metodiky ---------- */
ol.kroky { list-style: none; padding: 0; counter-reset: k; margin: 24px 0; }
ol.kroky > li {
  counter-increment: k; position: relative;
  padding: 0 0 22px 52px; border-left: 2px solid var(--linka); margin-left: 17px;
}
ol.kroky > li:last-child { border-left-color: transparent; padding-bottom: 0; }
ol.kroky > li::before {
  content: counter(k); position: absolute; left: -18px; top: -2px;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--zelena); color: var(--papier);
  display: flex; align-items: center; justify-content: center;
  font-weight: bold; font-size: 15px;
}
ol.kroky h3 { margin: 2px 0 6px; }

/* ---------- tabuľka ---------- */
.tab-obal { overflow-x: auto; margin: 20px 0; }
table { border-collapse: collapse; width: 100%; font-size: 15.5px; min-width: 460px; }
th {
  background: var(--papier-2); text-align: left; font-weight: bold;
  padding: 10px 12px; border: 1px solid var(--linka);
}
td { padding: 9px 12px; border: 1px solid var(--linka); vertical-align: top; }

/* ---------- výzva ---------- */
.vyzva {
  background: var(--papier-2); border: 1px solid var(--linka);
  border-left: 4px solid var(--zelena);
  border-radius: 8px; padding: 22px 22px 18px; margin: 34px 0;
}
.vyzva h2 { margin-top: 0; border: none; padding: 0; }

.tlacidlo {
  display: inline-block; background: var(--zelena); color: var(--papier);
  padding: 11px 22px; border-radius: 7px; text-decoration: none;
  font-weight: bold; font-size: 16px; border: 2px solid var(--zelena);
}
.tlacidlo:hover { background: transparent; color: var(--zelena); }
.tlacidlo.druhy { background: transparent; color: var(--zelena); }
.tlacidlo.druhy:hover { background: var(--zelena); color: var(--papier); }
.tlacidla { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- poznámka ---------- */
.pozn {
  font-size: 14.5px; color: var(--text-tlmeny);
  border-top: 1px solid var(--linka); padding-top: 12px; margin-top: 30px;
}

/* ---------- pätička ---------- */
footer.paticka {
  border-top: 1px solid var(--linka); background: var(--papier-2);
  padding: 34px 0 26px; font-size: 15px; color: var(--text-tlmeny);
}
footer.paticka .stlpce { display: grid; gap: 22px; }
@media (min-width: 720px) { footer.paticka .stlpce { grid-template-columns: 1.4fr 1fr 1fr; } }
footer.paticka h4 { color: var(--text); font-size: 15px; margin: 0 0 8px; }
footer.paticka a { color: var(--zelena-svetla); text-decoration: none; }
footer.paticka a:hover { text-decoration: underline; }
footer.paticka ul { list-style: none; padding: 0; margin: 0; }
.dole { margin-top: 24px; border-top: 1px solid var(--linka); padding-top: 14px; font-size: 13.5px; }

/* ---------- ilustrácia profilu pôdy ---------- */
.profil { width: 100%; max-width: 560px; height: auto; display: block; margin: 8px 0 4px; }

/* ---------- prepínač jazyka ---------- */
.hlavicka .vpravo { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.jazyk { display: flex; gap: 2px; align-items: center; font-size: 14px; }
.jazyk a {
  color: var(--text-tlmeny); text-decoration: none; padding: 3px 7px;
  border-radius: 5px; letter-spacing: .04em;
}
.jazyk a:hover { color: var(--zelena); background: var(--papier-2); }
.jazyk a[aria-current="true"] {
  color: var(--papier); background: var(--zelena); font-weight: bold;
}
.jazyk span { color: var(--linka); }

/* ---------- stavový pruh (projekt v príprave) ---------- */
.stav {
  border: 1px solid var(--linka); border-left: 4px solid var(--zelena);
  background: var(--papier-2); border-radius: 8px;
  padding: 14px 18px; margin: 4px 0 30px;
  font-size: 15px; line-height: 1.55; color: var(--text-tlmeny);
}
.stav strong { color: var(--text); }

/* ================================================================
   KINEMATICKÁ VRSTVA — pohyb, video, celoplošné pásy
   Bez knižníc. Všetok pohyb sa vypína pri prefers-reduced-motion.
   ================================================================ */

/* ---------- ukazovateľ posunu stránky ---------- */
.pokrok {
  position: fixed; inset: 0 auto auto 0; height: 3px; width: 100%;
  transform: scaleX(0); transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--zelena-list), var(--zelena-svetla));
  z-index: 40; pointer-events: none;
}

/* ---------- hlavička: po posune stmavne a zúži sa ---------- */
header.hlavicka {
  transition: padding .35s ease, background-color .35s ease, box-shadow .35s ease;
  backdrop-filter: saturate(140%) blur(10px);
  background: color-mix(in srgb, var(--papier) 86%, transparent);
}
header.hlavicka.zmensena { box-shadow: 0 6px 24px -18px #000; }
header.hlavicka.zmensena .znacka img { height: 32px; transition: height .35s ease; }
.znacka img { transition: height .35s ease; }

/* ---------- kinematický hero s videom ---------- */
.kino {
  position: relative; min-height: min(92vh, 860px);
  display: flex; align-items: flex-end;
  overflow: hidden; isolation: isolate;
  background: linear-gradient(160deg, var(--hlina-tmava), #10140d 70%);
}
.kino > video, .kino > img.pozadie {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: -2;
  animation: kino-priblizenie 26s ease-in-out infinite alternate;
}
@keyframes kino-priblizenie {
  from { transform: scale(1.03); }
  to   { transform: scale(1.12); }
}
.kino::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(to top, rgba(6,8,5,.96) 0%, rgba(6,8,5,.78) 38%, rgba(6,8,5,.42) 72%, rgba(6,8,5,.30) 100%),
    linear-gradient(to right, rgba(6,8,5,.72) 0%, rgba(6,8,5,.28) 55%, transparent 100%),
    radial-gradient(120% 80% at 18% 100%, rgba(47,79,33,.42), transparent 62%);
}
.kino .obal { padding-top: 120px; padding-bottom: 72px; width: 100%; }
.kino h1 {
  color: #F7F9F1; font-size: clamp(38px, 6.4vw, 78px); line-height: 1.04;
  letter-spacing: -.02em; margin: 0 0 18px; max-width: 16ch;
  text-shadow: 0 2px 26px rgba(4,6,3,.55), 0 1px 3px rgba(4,6,3,.4);
}
.kino .veta {
  color: #E3E8D9; font-size: clamp(17px, 2.1vw, 22px); max-width: 60ch; margin: 0 0 26px;
  text-shadow: 0 1px 16px rgba(4,6,3,.6);
}
.kino .stitok {
  display: inline-block; margin-bottom: 20px; padding: 6px 14px; border-radius: 999px;
  background: rgba(244,246,238,.12); border: 1px solid rgba(244,246,238,.28);
  color: #E9EEE0; font-size: 13.5px; letter-spacing: .08em; text-transform: uppercase;
}
.kino .tlacidlo { background: var(--zelena-list); border-color: var(--zelena-list); color: #12170D; }
.kino .tlacidlo.druhy { background: transparent; color: #F4F6EE; border-color: rgba(244,246,238,.5); }
.kino .tlacidlo.druhy:hover { background: rgba(244,246,238,.12); }

/* postupné nabehnutie obsahu hera */
.kino .stitok, .kino h1, .kino .veta, .kino .tlacidla {
  animation: hero-nabeh .9s cubic-bezier(.2,.7,.25,1) both;
}
.kino h1 { animation-delay: .06s; }
.kino .veta { animation-delay: .16s; }
.kino .tlacidla { animation-delay: .26s; }
@keyframes hero-nabeh {
  from { opacity: 0; transform: translateY(26px); filter: blur(6px); }
  to   { opacity: 1; transform: none; filter: none; }
}

/* šípka „posuň sa nižšie" */
.kino .posun {
  position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%);
  width: 26px; height: 42px; border: 2px solid rgba(244,246,238,.5); border-radius: 14px;
}
.kino .posun::before {
  content: ""; position: absolute; left: 50%; top: 8px; width: 3px; height: 8px;
  margin-left: -1.5px; border-radius: 2px; background: rgba(244,246,238,.85);
  animation: posun-bodka 1.9s ease-in-out infinite;
}
@keyframes posun-bodka {
  0%, 100% { transform: translateY(0); opacity: 1; }
  60%      { transform: translateY(14px); opacity: .2; }
}

/* ---------- menší hero s obrázkom (vnútorné stránky) ---------- */
.kino.nizky { min-height: min(62vh, 560px); }
.kino.nizky h1 { font-size: clamp(32px, 4.6vw, 54px); }

/* ---------- celoplošný pás s médiom ---------- */
.pas {
  position: relative; min-height: 420px;
  /* pás ide cez celú šírku okna, aj keď je vnútri zovretého <main> */
  margin: 72px calc(50% - 50vw); width: 100vw; max-width: 100vw;
  display: flex; align-items: center; overflow: hidden; isolation: isolate;
  background: linear-gradient(140deg, var(--hlina-tmava), #10140d);
}
.pas > img, .pas > video {
  position: absolute; inset: -12% 0; width: 100%; height: 124%;
  object-fit: cover; z-index: -2; will-change: transform;
}
.pas::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(90deg, rgba(6,8,5,.92) 0%, rgba(6,8,5,.66) 52%, rgba(6,8,5,.30) 100%),
    linear-gradient(to top, rgba(6,8,5,.5), transparent 60%);
}
.pas h2, .pas p { text-shadow: 0 1px 18px rgba(4,6,3,.55); }
.pas .obal { padding: 54px 16px; width: 100%; }
.pas h2 { color: #F4F6EE; border: 0; margin-top: 0; max-width: 20ch; }
.pas p { color: #DCE2D1; max-width: 52ch; margin-bottom: 0; }
.pas .zdroj {
  position: absolute; right: 10px; bottom: 6px; z-index: 1;
  font-size: 11px; color: rgba(244,246,238,.55);
}

/* ---------- odhaľovanie pri posune ---------- */
.odhal { opacity: 0; transform: translateY(28px); }
.odhal.viditelne {
  opacity: 1; transform: none;
  transition: opacity .7s cubic-bezier(.2,.7,.25,1), transform .7s cubic-bezier(.2,.7,.25,1);
}
.odhal.viditelne.krok-1 { transition-delay: .08s; }
.odhal.viditelne.krok-2 { transition-delay: .16s; }
.odhal.viditelne.krok-3 { transition-delay: .24s; }

/* ---------- veľké čísla, ktoré sa dopočítajú ---------- */
.udaje { display: grid; gap: 18px; margin: 30px 0; }
@media (min-width: 720px) { .udaje { grid-template-columns: repeat(3, 1fr); } }
.udaj {
  border: 1px solid var(--linka); border-radius: 12px; padding: 20px 22px;
  background: var(--papier-2);
}
.udaj b {
  display: block; font-size: clamp(30px, 4.4vw, 44px); line-height: 1.1;
  color: var(--zelena); letter-spacing: -.02em; font-variant-numeric: tabular-nums;
}
.udaj span { display: block; margin-top: 6px; font-size: 14.5px; color: var(--text-tlmeny); }

/* ---------- karty: jemné nadvihnutie ---------- */
.karta { transition: transform .35s cubic-bezier(.2,.7,.25,1), box-shadow .35s ease; }
.karta:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -30px #000; }

/* ---------- obrázok v texte ---------- */
figure.snimka { margin: 30px 0; }
figure.snimka img {
  width: 100%; height: auto; border-radius: 14px; display: block;
  box-shadow: 0 24px 60px -44px #000;
}
figure.snimka figcaption { margin-top: 8px; font-size: 13.5px; color: var(--text-tlmeny); }

/* ---------- bez médií: čitateľná náhrada ---------- */
.kino.bez-media::after, .pas.bez-media::after {
  background:
    linear-gradient(to top, rgba(8,10,6,.9), rgba(8,10,6,.45)),
    repeating-linear-gradient(135deg, rgba(126,166,83,.10) 0 14px, transparent 14px 28px);
}

/* ---------- kto nechce pohyb, nedostane ho ---------- */
@media (prefers-reduced-motion: reduce) {
  .kino > video, .kino > img.pozadie { animation: none; }
  .kino .stitok, .kino h1, .kino .veta, .kino .tlacidla { animation: none; }
  .kino .posun::before { animation: none; }
  .odhal { opacity: 1; transform: none; }
  .karta:hover { transform: none; }
  .pokrok { display: none; }
  html { scroll-behavior: auto; }
}
html { scroll-behavior: smooth; }

/* ---------- mobilná ponuka (tlačidlo sa zjaví, až keď beží JS) ---------- */
.hamburger {
  display: none; width: 42px; height: 38px; padding: 9px 8px; margin-left: auto;
  background: transparent; border: 1px solid var(--linka); border-radius: 10px;
  cursor: pointer; flex-direction: column; justify-content: space-between;
}
.hamburger span {
  display: block; height: 2px; width: 100%; background: var(--text); border-radius: 2px;
  transition: transform .3s ease, opacity .25s ease;
}
@media (max-width: 719px) {
  .js-menu .hamburger { display: flex; }
  .js-menu nav.menu {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: flex-start; gap: 2px;
    background: var(--papier); border-bottom: 1px solid var(--linka);
    padding: 10px 16px 16px; box-shadow: 0 22px 40px -30px #000;
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
  }
  .js-menu nav.menu a { padding: 9px 0; width: 100%; font-size: 17px; }
  .js-menu.otvorene nav.menu { opacity: 1; visibility: visible; transform: none; }
  .js-menu.otvorene .hamburger span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .js-menu.otvorene .hamburger span:nth-child(2) { opacity: 0; }
  .js-menu.otvorene .hamburger span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .hlavicka .obal { position: relative; }
  .hlavicka .vpravo { gap: 10px; width: 100%; justify-content: flex-end; }
}

/* na úzkych displejoch je vodorovný prekryv priveľa — obrázok by zmizol */
@media (max-width: 719px) {
  .kino::after {
    background:
      linear-gradient(to top, rgba(6,8,5,.94) 0%, rgba(6,8,5,.68) 45%, rgba(6,8,5,.28) 100%),
      radial-gradient(130% 70% at 20% 100%, rgba(47,79,33,.38), transparent 62%);
  }
  .pas::after {
    background:
      linear-gradient(to top, rgba(6,8,5,.93) 0%, rgba(6,8,5,.6) 55%, rgba(6,8,5,.3) 100%);
  }
  .pas { min-height: 340px; margin: 48px calc(50% - 50vw); }
}

/* ================================================================
   KINEMATICKÁ VRSTVA II — znelka, skladané nadpisy, živé pásy,
   prilepené kapitoly, mikrointerakcie, prechody medzi stránkami
   ================================================================ */

/* ---------- úvodná znelka ---------- */
.znelka {
  position: fixed; inset: 0; z-index: 60; display: none;
  align-items: center; justify-content: center;
  background: radial-gradient(120% 90% at 50% 40%, #1b2415, #0A0D07 70%);
}
html.znelka-bezi .znelka { display: flex; }
html.znelka-bezi body { overflow: hidden; }
.znelka-obsah { text-align: center; }
.znelka img {
  width: min(120px, 26vw); height: auto; display: block; margin: 0 auto 18px;
  opacity: 0; transform: scale(.94) translateY(10px);
  animation: znelka-znacka .9s cubic-bezier(.2,.75,.25,1) .08s forwards;
  filter: drop-shadow(0 18px 40px rgba(0,0,0,.5));
}
.znelka-nazov {
  display: block; color: #EDF1E4; font-size: clamp(22px, 4vw, 34px);
  letter-spacing: .3em; margin: 0 0 20px 0; padding-left: .3em;
  opacity: 0; transform: translateY(8px);
  animation: znelka-znacka .8s cubic-bezier(.2,.75,.25,1) .3s forwards;
}
.znelka-nazov small {
  display: block; font-size: 11px; letter-spacing: .24em; color: #9DB27F;
  margin-top: 8px; padding-left: .1em;
}
.znelka-linka {
  display: block; width: min(280px, 58vw); height: 2px; margin: 0 auto;
  background: rgba(244,246,238,.18); position: relative; overflow: hidden; border-radius: 2px;
}
.znelka-linka::after {
  content: ""; position: absolute; inset: 0; transform-origin: 0 50%; transform: scaleX(0);
  background: linear-gradient(90deg, var(--zelena-list), #E9EEE0);
  animation: znelka-linka 1.05s cubic-bezier(.4,.1,.2,1) .2s forwards;
}
@keyframes znelka-znacka { to { opacity: 1; transform: none; } }
@keyframes znelka-linka  { to { transform: scaleX(1); } }
.znelka.odchadza {
  animation: znelka-odchod .75s cubic-bezier(.7,0,.2,1) forwards;
}
@keyframes znelka-odchod {
  to { opacity: 0; transform: translateY(-4%); visibility: hidden; }
}

/* ---------- nadpis skladaný po slovách ---------- */
h1.skladane { overflow: hidden; }
h1.skladane .slovo { display: inline-block; overflow: hidden; vertical-align: bottom; }
h1.skladane .slovo > span {
  display: inline-block;
  transform: translateY(110%) rotate(3deg);
  animation: slovo-hore .95s cubic-bezier(.16,.84,.28,1) forwards;
  animation-delay: .12s;
}
/* stagger po slovách — v štýlopise, nie inline (CSP style-src 'self') */
h1.skladane .slovo:nth-child(1) > span { animation-delay: 0.120s; }
h1.skladane .slovo:nth-child(2) > span { animation-delay: 0.195s; }
h1.skladane .slovo:nth-child(3) > span { animation-delay: 0.270s; }
h1.skladane .slovo:nth-child(4) > span { animation-delay: 0.345s; }
h1.skladane .slovo:nth-child(5) > span { animation-delay: 0.420s; }
h1.skladane .slovo:nth-child(6) > span { animation-delay: 0.495s; }
h1.skladane .slovo:nth-child(7) > span { animation-delay: 0.570s; }
h1.skladane .slovo:nth-child(8) > span { animation-delay: 0.645s; }
h1.skladane .slovo:nth-child(9) > span { animation-delay: 0.720s; }
h1.skladane .slovo:nth-child(10) > span { animation-delay: 0.795s; }
h1.skladane .slovo:nth-child(11) > span { animation-delay: 0.870s; }
h1.skladane .slovo:nth-child(12) > span { animation-delay: 0.945s; }
h1.skladane .slovo:nth-child(13) > span { animation-delay: 1.020s; }
h1.skladane .slovo:nth-child(14) > span { animation-delay: 1.095s; }
h1.skladane .slovo:nth-child(15) > span { animation-delay: 1.170s; }
h1.skladane .slovo:nth-child(16) > span { animation-delay: 1.245s; }
@keyframes slovo-hore { to { transform: none; } }
/* pri skladanom nadpise sa celé h1 už neanimuje naraz */
.kino h1.skladane { animation: none; opacity: 1; filter: none; transform: none; }

/* ---------- živý pás so slučkou ---------- */
.pas > video.slucka {
  position: absolute; inset: -12% 0; width: 100%; height: 124%;
  object-fit: cover; z-index: -2; will-change: transform;
}

/* ---------- prilepené kapitoly ---------- */
.kapitoly {
  position: relative;
  margin: 78px calc(50% - 50vw); width: 100vw; max-width: 100vw;
}
.kapitoly .scena {
  position: sticky; top: 0; height: 100vh; overflow: hidden; isolation: isolate;
  display: flex; align-items: center;
  background: linear-gradient(150deg, var(--hlina-tmava), #0c1008);
}
.kapitoly .scena > img, .kapitoly .scena > video {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2;
  transform: scale(1.06);
}
.kapitoly .scena::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, rgba(6,8,5,.94) 0%, rgba(6,8,5,.7) 50%, rgba(6,8,5,.42) 100%);
}
.kapitoly .scena .obal { width: 100%; }
.kapitoly .nazov { color: #F4F6EE; font-size: clamp(24px, 3.4vw, 40px); margin: 0 0 26px; }
.kapitola-text { max-width: 54ch; }
.kapitola-text h3 {
  color: var(--zelena-list); font-size: clamp(19px, 2.4vw, 27px); margin: 0 0 10px;
}
.kapitola-text p { color: #DCE2D1; margin: 0; }
.kapitoly .krok-obsah {
  position: absolute; opacity: 0; transform: translateY(18px);
  transition: opacity .5s ease, transform .5s cubic-bezier(.2,.7,.25,1);
  pointer-events: none;
}
.kapitoly .krok-obsah.aktivny { opacity: 1; transform: none; pointer-events: auto; }
.kapitoly .ukazovatel { display: flex; gap: 8px; margin-top: 30px; }
.kapitoly .ukazovatel span {
  width: 34px; height: 3px; border-radius: 2px; background: rgba(244,246,238,.25);
  transition: background .4s ease, transform .4s ease;
}
.kapitoly .ukazovatel span.aktivny { background: var(--zelena-list); transform: scaleY(1.7); }
.kapitoly .spust > div { height: 100vh; }

/* ---------- mikrointerakcie ---------- */
.tlacidlo { transition: transform .25s cubic-bezier(.2,.7,.25,1), background-color .25s ease, color .25s ease; }
.karta { transform-style: preserve-3d; }
.karta.naklon { transition: transform .12s ease-out, box-shadow .35s ease; }

/* jemné zrno cez celý web */
body::after {
  content: ""; position: fixed; inset: 0; z-index: 50; pointer-events: none; opacity: .045;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/></filter><rect width='120' height='120' filter='url(%23n)'/></svg>");
}

/* kapitolové značky v ukazovateli posunu */
.znacky { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 39; pointer-events: none; }
.znacky i {
  position: absolute; top: 0; width: 2px; height: 3px; background: var(--linka); opacity: .85;
}

/* ---------- prechody medzi stránkami ---------- */
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: vt-von .28s ease both; }
::view-transition-new(root) { animation: vt-dnu .42s cubic-bezier(.2,.7,.25,1) both; }
@keyframes vt-von { to { opacity: 0; transform: translateY(-10px); } }
@keyframes vt-dnu { from { opacity: 0; transform: translateY(14px); } }
header.hlavicka { view-transition-name: hlavicka; }

@media (prefers-reduced-motion: reduce) {
  .znelka { display: none !important; }
  html.znelka-bezi body { overflow: auto; }
  h1.skladane .slovo > span { animation: none; transform: none; }
  .kapitoly .krok-obsah { position: static; opacity: 1; transform: none; }
  .kapitoly .scena { position: static; height: auto; padding: 48px 0; }
  .kapitoly .spust { display: none; }
  body::after { display: none; }
  ::view-transition-old(root), ::view-transition-new(root) { animation: none; }
}