/*
 * stranky/titulka.css - titulka MC Signature (D-003).
 *
 * Jen pro mc/index.php. Stavi na tokenech pmc-tokens.css (D-002) a motivu
 * Builderu .cmc-b-template-publicmc-v1; bloky kresli renderer Builderu,
 * sekce se rozlisuji customClass (tit-*), protoze validator Builderu
 * meni attrs.background na objekt a renderer ho pak necte.
 * Plna sirka: zadna max-width se strednim sloupcem, jen okraj --pmc-okraj.
 * Nove hodnoty = lokalni promenne --tit-* (orchestrator je muze prevzit do tokenu).
 * Reference: Squarespace 01_Titulka (home-full-page.jpg, home-scroll-00-settled.jpg,
 * 03_Grow_your_business/home-click-services.jpg), mereni v dukazy/D-003-porovnani.md.
 */
.tit {
  --tit-hero-vyska: 100vh;                                  /* hero pres celou vysku okna */
  --tit-prekryv: linear-gradient(180deg, rgba(10, 8, 6, .55) 0%, rgba(10, 8, 6, .30) 30%, rgba(10, 8, 6, .30) 62%, rgba(10, 8, 6, .55) 100%); /* D-013: ~35 % prumer */
  --tit-karta-obor-vyska: clamp(380px, 33vw, 860px);        /* velka karta oboru: 1210x? pri 1920 -> ODHAD 630 px */
  --tit-ovladani: clamp(40px, 2.5vw, 60px);                 /* kruhova tlacitka 48 px pri 1920 (ODHAD) */
  --tit-plocha-tmava: #1c1c1c;                              /* karty v tmave sekci (jako tokeny bg-dark) */
  position: relative;
}
@supports (height: 100svh) { .tit { --tit-hero-vyska: 100svh; } }

/* =========================================================
   Hero: video vrstva pod blokem hero Builderu
   ========================================================= */
.tit-video {
  position: absolute; top: 0; left: 0; right: 0; z-index: 0;
  height: var(--tit-hero-vyska); min-height: 560px;
  overflow: hidden; background: var(--pmc-cerna);
}
.tit-video::after { content: ""; position: absolute; inset: 0; background: var(--tit-prekryv); pointer-events: none; z-index: 2; }
.tit-video__klip {
  position: absolute; inset: 0; opacity: 0;
  background: var(--pmc-cerna) var(--tit-poster, none) center / cover no-repeat;
  background-position: var(--tit-pos, 50% 50%);
  transition: opacity .4s ease-in-out;                      /* homepageHeroReveal 0,4 s (reference) */
}
.tit-video__klip.is-aktivni { opacity: 1; z-index: 1; }
.tit-video__prvek { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: var(--tit-pos, 50% 50%); display: block; }

/* Ovladani ukazek: Predchozi / tecky / Dalsi / Pauza, vpravo dole v hero */
.tit-ovladani {
  position: absolute; z-index: 3;
  top: calc(max(var(--tit-hero-vyska), 560px) - var(--tit-ovladani) - var(--pmc-okraj));
  right: var(--pmc-okraj);
  display: flex; align-items: center; gap: clamp(8px, .625vw, 14px);
  color: var(--pmc-bila);
}
.tit-ovladani[hidden] { display: none; }
.tit-ovladani__tl {
  width: var(--tit-ovladani); height: var(--tit-ovladani); min-width: 44px; min-height: 44px;
  display: inline-grid; place-items: center; padding: 0;
  border: 1px solid rgba(255, 255, 255, .55); border-radius: 50%;
  background: rgba(0, 0, 0, .25); color: inherit; cursor: pointer;
  font: inherit; font-size: var(--pmc-fs-text); line-height: 1;
  transition: background-color .2s linear, color .2s linear;
}
.tit-ovladani__tl:hover { background: var(--pmc-bila); color: var(--pmc-cerna); }
.tit-ovladani__tecky { display: inline-flex; gap: 6px; align-items: center; padding: 0 4px; }
.tit-ovladani__tecky span { width: 4px; height: 4px; border-radius: 50%; background: rgba(255, 255, 255, .55); transition: width .3s ease; }
.tit-ovladani__tecky span.is-aktivni { width: 16px; height: 6px; border-radius: 3px; background: var(--pmc-bila); }
.tit-ikona-pauza { display: block; width: 10px; height: 12px; border-left: 3px solid currentColor; border-right: 3px solid currentColor; }
.tit.is-pauza .tit-ikona-pauza { width: 0; height: 0; border-style: solid; border-width: 7px 0 7px 12px; border-color: transparent transparent transparent currentColor; border-right: 0; }

/* Blok hero Builderu nad videem: pruhledny, vyska okna */
.tit .cmc-b-document .tit-hero.cmc-b-hero {
  position: relative; z-index: 1;
  min-height: max(var(--tit-hero-vyska), 560px);
  background: transparent; color: var(--pmc-bila);
}
.tit .cmc-b-document .tit-hero.cmc-b-hero h1 { color: var(--pmc-bila); text-shadow: 0 1px 24px rgba(0, 0, 0, .35); max-width: 16ch; }
.tit .cmc-b-document .tit-hero .cmc-b-hero-text { max-width: 40ch; color: var(--pmc-bila); text-shadow: 0 1px 12px rgba(0, 0, 0, .45); }

/* =========================================================
   Spolecne pro sekce titulky
   ========================================================= */
.tit .cmc-b-document .tit-sekce { position: relative; z-index: 1; }
.tit .cmc-b-document .cmc-b-heading.cmc-b-align-center,
.tit .cmc-b-document .cmc-b-paragraph.cmc-b-align-center { text-align: center; margin-left: auto; margin-right: auto; }
.tit .cmc-b-document p.tit-stred { text-align: center; margin: var(--pmc-nadpis-obsah) 0 0; }
.tit .cmc-b-document p.tit-stred + p.tit-stred { margin-top: 16px; }
/* Renderer dava tridu cmc-b-button i obalovemu <p> (cloudmc_builder_public_renderer.php:382)
   a motiv publicmc-v1 ji kresli jako tlacitko -> cerny obdelnik kolem odkazu.
   Obal se tu vraci na obycejny odstavec; tlacitkem je jen <a>. (Hlaseno D-002.) */
.tit .cmc-b-document p.cmc-b-block.cmc-b-button {
  display: block; min-height: 0; padding: 0;
  background: none; color: inherit; box-shadow: none; border: 0;
  font-size: inherit; text-transform: none;
}
/* Odkazove tlacitko (style "link"): text se sipkou, bez plochy */
.tit .cmc-b-document .cmc-b-button.cmc-b-button-link {
  min-height: 0; padding: 0; background: none; color: inherit; box-shadow: none;
  font-size: var(--pmc-fs-maly); text-transform: none; text-decoration: none;
}
.tit .cmc-b-document .cmc-b-button.cmc-b-button-link::after { content: " \2192"; }
.tit .cmc-b-document .cmc-b-button.cmc-b-button-link:hover { text-decoration: underline; text-underline-offset: 3px; }

/* =========================================================
   Obory: nadpis + veta na stred, stitky, velka karta (reference "Grow your business")
   ========================================================= */
.tit .cmc-b-document .tit-obory h2 { margin-bottom: clamp(12px, .8333vw, 20px); }
.tit .cmc-b-document .tit-obory > .cmc-b-container > .cmc-b-paragraph { max-width: 46ch; margin-bottom: clamp(28px, 2.0833vw, 52px); }
.tit .tit-zalozky { margin: 0; }
.tit .tit-pill-lista { margin: 0 auto clamp(24px, 2.0833vw, 52px); }
.tit .tit-pill-lista .pmc-pill { font-family: inherit; min-height: 44px; height: auto; padding-top: 4px; padding-bottom: 4px; }
/* Bez JS: akordeon (kazdy obor rozbalitelny) */
.tit .tit-zalozky .cmc-b-tabs { display: grid; gap: 0; margin: 0; }
.tit .tit-zalozky .cmc-b-tab-item { border: 0; border-top: 1px solid var(--pmc-linka); border-radius: 0; padding: 16px 0; background: none; }
.tit .tit-zalozky .cmc-b-tab-item > summary { font-weight: var(--pmc-pismo-vaha-text); font-size: var(--pmc-fs-h3); min-height: 44px; display: flex; align-items: center; }
/* S JS: jedna velka karta, ostatni skryte */
.tit .tit-zalozky .cmc-b-tabs.is-zalozky { display: block; }
.tit .tit-zalozky .is-zalozky .cmc-b-tab-item { display: none; border: 0; padding: 0; }
.tit .tit-zalozky .is-zalozky .cmc-b-tab-item.is-aktivni { display: block; }
.tit .tit-zalozky .is-zalozky .cmc-b-tab-item > summary { display: none; }
.tit .tit-zalozky .is-zalozky .cmc-b-tab-panel {
  position: relative; overflow: hidden;
  min-height: var(--tit-karta-obor-vyska); padding: clamp(24px, 2.0833vw, 52px);
  border-radius: var(--pmc-radius-karta);
  background: #2b2b2b var(--tit-obraz, none) center / cover no-repeat;
  color: var(--pmc-bila); font-size: var(--pmc-fs-text); line-height: var(--pmc-lh-text);
  text-shadow: 0 1px 12px rgba(0, 0, 0, .45);
  animation: pmc-nastup .4s ease-in-out both;
}
.tit .tit-zalozky .is-zalozky .cmc-b-tab-panel::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0, 0, 0, .62) 0%, rgba(0, 0, 0, .25) 55%, rgba(0, 0, 0, .05) 100%); }
.tit .tit-zalozky .is-zalozky .cmc-b-tab-panel > * { position: relative; }
.tit .tit-zalozky .cmc-b-tab-panel strong { display: inline-block; font-weight: var(--pmc-pismo-vaha-nadpis); font-size: var(--pmc-fs-h2); line-height: var(--pmc-lh-h2); letter-spacing: var(--pmc-ls-h2); margin-bottom: 12px; }
.tit .tit-zalozky .cmc-b-tab-panel a { display: inline-flex; align-items: center; min-height: 44px; margin-top: 12px; color: inherit; text-underline-offset: 3px; }
.tit .tit-zalozky .cmc-b-tab-panel a::after { content: " \2192"; }
/* Vlastni postery D-013 se stridaji podle poradi oboru */
.tit .tit-zalozky .cmc-b-tab-item:nth-child(4n+1) { --tit-obraz: url("../video/mc-hero-03-poster.jpg"); }
.tit .tit-zalozky .cmc-b-tab-item:nth-child(4n+2) { --tit-obraz: url("../video/mc-hero-02-poster.jpg"); }
.tit .tit-zalozky .cmc-b-tab-item:nth-child(4n+3) { --tit-obraz: url("../video/mc-hero-01-poster.jpg"); }
.tit .tit-zalozky .cmc-b-tab-item:nth-child(4n+4) { --tit-obraz: url("../video/mc-hero-04-poster.jpg"); }

/* =========================================================
   Vse pro web: karty funkci (tokeny .pmc-karty 430x640), neutralni plochy
   ========================================================= */
.tit .tit-karty > .cmc-b-column { position: relative; overflow: hidden; transition: transform .5s; }
.tit .tit-karty > .cmc-b-column:nth-child(1) { background: linear-gradient(160deg, #3a2a1c 0%, #1b1410 100%); }
.tit .tit-karty > .cmc-b-column:nth-child(2) { background: linear-gradient(160deg, #1d1d1d 0%, #000 100%); }
.tit .tit-karty > .cmc-b-column:nth-child(3) { background: linear-gradient(160deg, #2c2620 0%, #121010 100%); }
.tit .tit-karty > .cmc-b-column:nth-child(4) { background: linear-gradient(160deg, #10203a 0%, #050a14 100%); }
.tit .tit-karty > .cmc-b-column .cmc-b-button-link { position: static; margin-top: auto; }
.tit .tit-karty > .cmc-b-column > p:last-child { margin: auto 0 0; text-align: right; }
.tit .tit-karty > .cmc-b-column .cmc-b-button-link::before { content: ""; position: absolute; inset: 0; } /* cela karta je odkaz */
.tit .tit-karty > .cmc-b-column:hover { transform: scale(var(--pmc-hover-zvetseni)); }

/* =========================================================
   Vzory: karty s posterem nahore
   ========================================================= */
.tit .cmc-b-document .tit-vzory { background: var(--pmc-seda-100); }
.tit .tit-vzory-karty > .cmc-b-column { position: relative; background: var(--pmc-bila); padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.tit .tit-vzory-karty .cmc-b-image { margin: 0; overflow: hidden; aspect-ratio: 16 / 10; }
.tit .tit-vzory-karty .cmc-b-image img { width: 100%; height: 100%; object-fit: cover; transition: var(--pmc-pohyb-obrazek); }
.tit .tit-vzory-karty > .cmc-b-column:hover .cmc-b-image img { transform: scale(var(--pmc-hover-zvetseni)); }
.tit .tit-vzory-karty > .cmc-b-column > :not(.cmc-b-image) { padding-left: clamp(18px, 1.25vw, 32px); padding-right: clamp(18px, 1.25vw, 32px); }
.tit .tit-vzory-karty > .cmc-b-column > h3 { margin-top: clamp(18px, 1.25vw, 32px); }
.tit .cmc-b-document .tit-vzory-karty > .cmc-b-column > p.cmc-b-block:last-child { margin: auto 0 0; padding: 16px clamp(18px, 1.25vw, 32px) clamp(18px, 1.25vw, 32px); }
.tit .tit-vzory-karty .cmc-b-button-link::before { content: ""; position: absolute; inset: 0; }
.tit .tit-vzory-karty .cmc-b-button-link { min-height: 44px; }

/* =========================================================
   Panel produktu MC: cerna sekce, tmave karty, originalni loga (_w)
   ========================================================= */
.tit .cmc-b-document .tit-produkty { background: var(--pmc-cerna); color: var(--pmc-bila); }
.tit .cmc-b-document .tit-produkty h2,
.tit .cmc-b-document .tit-produkty h3 { color: var(--pmc-bila); }
.tit .tit-produkty .cmc-b-paragraph { color: var(--pmc-text-tlumeny-inverz); }
.tit .tit-produkty-karty { margin-bottom: var(--pmc-mezera-mrizky) !important; }
.tit .tit-produkty-karty:last-child { margin-bottom: 0 !important; }
.tit .tit-produkty-karty > .cmc-b-column {
  position: relative; background: var(--tit-plocha-tmava); color: var(--pmc-bila);
  display: flex; flex-direction: column; gap: 12px;
  min-height: clamp(220px, 15.625vw, 400px);              /* ODHAD 300 px pri 1920 */
  transition: background-color .2s linear;
}
.tit .tit-produkty-karty > .cmc-b-column:hover { background: #262626; }
.tit .tit-produkty-karty .tit-logo { margin: 0 0 clamp(16px, 1.25vw, 32px); text-align: left; }
.tit .tit-produkty-karty .tit-logo img { height: clamp(32px, 2.2917vw, 56px); width: auto; max-width: 100%; mix-blend-mode: screen; } /* loga _w maji cerne pozadi */
.tit .tit-produkty-karty .tit-produkt-nazev { font-size: var(--pmc-fs-h2); line-height: clamp(32px, 2.2917vw, 56px); margin: 0 0 clamp(16px, 1.25vw, 32px); }
.tit .tit-produkty-karty > .cmc-b-column > p:last-child { margin: auto 0 0; }
.tit .tit-produkty-karty .cmc-b-button-link { color: var(--pmc-bila); }
.tit .tit-produkty-karty .cmc-b-button-link::before { content: ""; position: absolute; inset: 0; }

/* =========================================================
   Pribehy, otazky, zaverecna vyzva
   ========================================================= */
.tit .cmc-b-document .tit-pribehy { border-top: 1px solid var(--pmc-linka); }
.tit .cmc-b-document .tit-pribehy .pmc-sloupce-text { margin-bottom: clamp(24px, 2.0833vw, 52px); }
.tit .cmc-b-document .tit-pribehy p.cmc-b-button { margin: 0 0 0 calc(50% + var(--pmc-mezera-mrizky) / 2); }

.tit .cmc-b-document .tit-faq { background: var(--pmc-cerna); color: var(--pmc-bila); }
.tit .cmc-b-document .tit-faq h2 { color: var(--pmc-bila); margin-bottom: clamp(24px, 2.0833vw, 52px); }
.tit .tit-faq-seznam { margin: 0; }
.tit .tit-faq-seznam details { background: none; border: 0; border-top: 1px solid rgba(255, 255, 255, .22); border-radius: 0; margin: 0; padding: 0; }
.tit .tit-faq-seznam details:last-child { border-bottom: 1px solid rgba(255, 255, 255, .22); }
.tit .tit-faq-seznam summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 24px;
  min-height: 44px; padding: clamp(16px, 1.25vw, 30px) 0;
  font-weight: var(--pmc-pismo-vaha-text); font-size: var(--pmc-fs-h3); line-height: var(--pmc-lh-h3);
}
.tit .tit-faq-seznam summary::-webkit-details-marker { display: none; }
.tit .tit-faq-seznam summary::after { content: "+"; font-size: 1.2em; line-height: 1; transition: transform .2s ease; }
.tit .tit-faq-seznam details[open] summary::after { transform: rotate(45deg); }
.tit .tit-faq-seznam details > div { padding: 0 0 clamp(16px, 1.25vw, 30px); max-width: 70ch; color: var(--pmc-text-tlumeny-inverz); }
.tit .tit-faq-seznam a { color: var(--pmc-bila); }

.tit .cmc-b-document .tit-vyzva {
  background: var(--pmc-cerna) url("../video/mc-hero-04-poster.jpg") 50% 50% / cover no-repeat;
  color: var(--pmc-bila); text-align: center;
  min-height: clamp(520px, 50vw, 1100px); display: grid; align-content: center;
  border-top: 1px solid rgba(255, 255, 255, .12);
}
.tit .cmc-b-document .tit-vyzva::before { content: ""; position: absolute; inset: 0; background: rgba(0, 0, 0, .55); }
.tit .cmc-b-document .tit-vyzva > .cmc-b-container { position: relative; }
.tit .cmc-b-document .tit-vyzva h2 { color: var(--pmc-bila); font-size: var(--pmc-fs-h1); line-height: var(--pmc-lh-h1); letter-spacing: var(--pmc-ls-h1); margin-bottom: clamp(16px, 1.25vw, 30px); }
.tit .cmc-b-document .tit-vyzva .cmc-b-button-primary { background: var(--pmc-bila); color: var(--pmc-cerna); }
.tit .cmc-b-document .tit-vyzva p.cmc-b-block.tit-stred { display: inline-block; margin: clamp(28px, 2.0313vw, 52px) 8px 0; }

/* =========================================================
   Tablet a mobil
   ========================================================= */
@media (max-width: 1024px) {
  .tit .cmc-b-document .tit-pribehy p.cmc-b-button { margin-left: 0; }
}
@media (max-width: 760px) {
  .tit-video__klip { background-image: var(--tit-poster-m, var(--tit-poster, none)); background-position: var(--tit-pos-m, 50% 50%); }
  .tit-video__prvek { object-position: var(--tit-pos-m, 50% 50%); }
  .tit { --tit-karta-obor-vyska: 440px; }
  .tit .cmc-b-document .tit-hero.cmc-b-hero { min-height: max(var(--tit-hero-vyska), 560px); padding-top: clamp(120px, 26vh, 220px); }
  .tit-ovladani { left: var(--pmc-okraj); right: var(--pmc-okraj); justify-content: center; }
  .tit .tit-pill-lista { flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto; scroll-snap-type: x mandatory; margin-left: calc(-1 * var(--pmc-okraj)); margin-right: calc(-1 * var(--pmc-okraj)); padding: 0 var(--pmc-okraj); scrollbar-width: none; }
  .tit .tit-pill-lista::-webkit-scrollbar { display: none; }
  .tit .tit-pill-lista li, .tit .tit-pill-lista .pmc-pill { flex: none; scroll-snap-align: start; white-space: nowrap; }
  .tit .tit-zalozky .is-zalozky .cmc-b-tab-panel::before { background: linear-gradient(180deg, rgba(0, 0, 0, .70) 0%, rgba(0, 0, 0, .35) 60%, rgba(0, 0, 0, .15) 100%); }
  .tit .cmc-b-document.cmc-b-template-publicmc-v1 .tit-karty > .cmc-b-column { aspect-ratio: auto; min-height: 260px; }
  .tit .tit-karty > .cmc-b-column:hover { transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .tit-video__klip, .tit-ovladani__tecky span, .tit .tit-karty > .cmc-b-column { transition: none; }
  .tit .tit-zalozky .is-zalozky .cmc-b-tab-panel { animation: none; }
  .tit .tit-karty > .cmc-b-column:hover { transform: none; }
}