/* ============================================================
   RADIO GROUP · case study podstránky
   ------------------------------------------------------------
   Rovnaké tokeny ako hlavná stránka (rg.css), ale vlastný, ľahší
   štýl: podstránka nepotrebuje pinovaný hero ani galérie, takže
   nenačítava celý rg.css.
   ============================================================ */
:root {
  --ink: #111213;
  --paper: #FFFFFF;
  --gray: #F2F2F3;
  --line: rgba(0, 0, 0, .1);
  --fun: #E60469;
  --r-card: 24px;
  --pad-x: clamp(20px, 4vw, 56px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #101014;
  color: var(--ink);
  font-family: 'Satoshi', 'Inter Tight', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--fun); color: #fff; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--fun); outline-offset: 3px; }

.display {
  font-family: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.02;
  margin: 0;
}
.cond {
  font-family: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  font-stretch: 74%;
  font-weight: 600;
  text-transform: uppercase;
}
.microlabel { font-size: 11px; letter-spacing: .16em; color: rgba(0, 0, 0, .45); }
.rmark { font-size: .5em; font-weight: 500; vertical-align: super; opacity: .55; margin-left: .08em; }

/* ---------- navigácia ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: clamp(14px, 3vw, 30px);
  padding: 14px var(--pad-x);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  border-radius: 22px 22px 0 0;
  margin: 8px 8px 0;
}
.nav-side { display: flex; align-items: center; gap: 14px; justify-self: end; }
/* prepínač jazyka: rovnaká tichá podoba ako na hlavnej stránke */
.lang { display: inline-flex; align-items: center; gap: 9px; }
.lang-b {
  appearance: none;
  border: 0;
  background: none;
  cursor: pointer;
  padding: 4px 1px;
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .06em;
  line-height: 1;
  color: rgba(0, 0, 0, .34);
  transition: color .3s ease;
}
.lang-b:hover { color: rgba(0, 0, 0, .68); }
.lang-b.is-on { color: var(--ink); }
.lang-b:focus { outline: none; }
.lang-b:focus-visible { outline: 2px solid var(--fun); outline-offset: 3px; border-radius: 3px; }
.lang-sep { width: 1px; height: 11px; background: rgba(0, 0, 0, .16); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.rg-mark { width: 30px; height: 30px; display: block; }
.wordmark { font-weight: 700; letter-spacing: -0.02em; font-size: 17px; white-space: nowrap; }
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 30px);
  justify-self: center;
}
.nav-links a {
  text-decoration: none;
  color: rgba(0, 0, 0, .58);
  font-weight: 500;
  font-size: 14.5px;
  white-space: nowrap;
  transition: color .25s ease;
}
.nav-links a:hover { color: var(--ink); }
/* aktívna sekcia: plná farba a bodka v magente, rovnaká reč ako
   podčiarknutia na hlavnej stránke */
.nav-links a.is-here { color: var(--ink); position: relative; }
.nav-links a.is-here::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -9px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--fun);
  transform: translateX(-50%);
}
/* breadcrumb nad titulkom článku */
.crumb {
  display: inline-block;
  margin-bottom: 18px;
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  color: rgba(0, 0, 0, .5);
  transition: color .25s ease;
}
.crumb:hover { color: var(--ink); }
.crumb span { display: inline-block; transition: transform .3s cubic-bezier(.2, .8, .2, 1); }
.crumb:hover span { transform: translateX(-3px); }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 14.5px;
  white-space: nowrap;
}
.pill span { transition: transform .35s cubic-bezier(.2, .8, .2, 1); }
.pill:hover span { transform: translateX(4px); }

/* ---------- list ---------- */
.sheet {
  background: var(--paper);
  margin: 0 8px;
  border-radius: 0 0 22px 22px;
  overflow: clip;
  padding-bottom: clamp(40px, 6vw, 80px);
}

.cs-head { padding: clamp(48px, 8vw, 110px) var(--pad-x) 0; max-width: 1100px; }
.cs-title { font-size: clamp(40px, 7vw, 96px); margin: 14px 0 0; }
.cs-lead {
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.55;
  color: rgba(0, 0, 0, .62);
  max-width: 56ch;
  margin: clamp(18px, 2.4vw, 28px) 0 0;
}
.cs-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 36px);
}
.fact {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
}
.fact i { font-style: normal; font-size: 10px; letter-spacing: .14em; color: rgba(0, 0, 0, .4); }
.fact b { font-weight: 600; font-size: 14.5px; white-space: nowrap; }

.cs-hero {
  margin: clamp(28px, 4vw, 56px) var(--pad-x) 0;
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--gray);
}
.cs-hero img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 938 / 452;
  object-fit: cover;
  /* zjednocujúci film ako na hlavnej stránke */
  filter: saturate(.9) contrast(1.03) brightness(1.02) sepia(.06);
}

.cs-body { padding: clamp(36px, 5vw, 72px) var(--pad-x) 0; max-width: 880px; }
.cs-sub { font-size: clamp(24px, 3vw, 40px); margin-bottom: clamp(14px, 2vw, 24px); }
.cs-body p {
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.65;
  color: rgba(0, 0, 0, .68);
  margin: 0 0 1em;
  max-width: 62ch;
}

/* ---------- video · klikacia fasáda ---------- */
.cs-video { padding: clamp(20px, 3vw, 40px) var(--pad-x) 0; }
.vid {
  position: relative;
  display: block;
  width: 100%;
  max-width: 980px;
  aspect-ratio: 16 / 9;
  border: 0;
  padding: 0;
  border-radius: var(--r-card);
  overflow: hidden;
  cursor: pointer;
  background: #0E1116;
}
.vid img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .92;
  transition: transform .6s cubic-bezier(.2, .8, .2, 1);
}
.vid:hover img { transform: scale(1.03); }
.vid-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 74px;
  height: 74px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 14px 36px rgba(0, 0, 0, .35);
  transition: transform .35s cubic-bezier(.2, .8, .2, 1);
}
.vid:hover .vid-play { transform: translate(-50%, -50%) scale(1.07); }
.vid-play svg { margin-left: 3px; }
.vid-cap {
  position: absolute;
  left: 18px;
  bottom: 16px;
  font-size: 10.5px;
  letter-spacing: .15em;
  color: rgba(255, 255, 255, .85);
}
.vid iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
/* viac videí vedľa seba (referencie) */
.vid-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; max-width: 980px; }
.vid-grid .vid { max-width: none; }
@media (max-width: 720px) { .vid-grid { grid-template-columns: 1fr; } }

/* ---------- dokumenty (osobné údaje) ---------- */
.doc-list { display: flex; flex-direction: column; gap: 10px; }
.doc {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  text-decoration: none;
  color: var(--ink);
  transition: background .25s ease;
}
.doc:hover { background: var(--gray); }
.doc-txt { display: flex; flex-direction: column; gap: 2px; }
.doc-txt b { font-weight: 600; font-size: 16px; }
.doc-txt span { font-size: 13.5px; color: rgba(0, 0, 0, .55); }
.doc-meta { font-size: 10.5px; letter-spacing: .12em; color: rgba(0, 0, 0, .45); white-space: nowrap; }
.cs-body a { color: var(--ink); }

/* ---------- ďalšie kampane ---------- */
.more { padding: clamp(52px, 8vw, 110px) var(--pad-x) 0; }
.more-title { font-size: clamp(26px, 3.4vw, 44px); margin-top: 10px; }
.more-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  margin-top: clamp(20px, 3vw, 32px);
}
.more-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--ink);
  background: var(--gray);
  border-radius: 18px;
  overflow: hidden;
  position: relative;
}
.more-photo { display: block; aspect-ratio: 938 / 452; overflow: hidden; }
.more-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.9) contrast(1.03) brightness(1.02) sepia(.06);
  transition: transform .6s cubic-bezier(.2, .8, .2, 1);
}
.more-card:hover .more-photo img { transform: scale(1.045); }
.more-meta { display: flex; flex-direction: column; gap: 2px; padding: 14px 52px 16px 16px; }
.more-meta b { font-weight: 600; font-size: 15.5px; }
.more-meta span { font-size: 12.5px; color: rgba(0, 0, 0, .5); }
.more-ar {
  position: absolute;
  right: 14px;
  bottom: 14px;
  color: rgba(0, 0, 0, .4);
  transition: transform .35s cubic-bezier(.2, .8, .2, 1), color .25s ease;
}
.more-card:hover .more-ar { transform: translateX(3px); color: var(--ink); }

/* ---------- záverečná výzva ---------- */
.cs-cta {
  margin: clamp(52px, 8vw, 110px) var(--pad-x) 0;
  padding: clamp(36px, 5vw, 64px);
  border-radius: var(--r-card);
  background: var(--fun);
  color: #fff;
  text-align: center;
}
.cs-cta h2 { font-size: clamp(26px, 3.6vw, 46px); }
.cs-cta p { margin: 12px auto 22px; max-width: 44ch; opacity: .92; }
.cs-cta .pill { background: var(--ink); }
.pill--big { padding: 15px 28px; font-size: 15.5px; }

/* ---------- päta ---------- */
.foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  padding: 22px calc(var(--pad-x) + 8px) 26px;
  color: rgba(255, 255, 255, .6);
}
.foot .brand { color: #fff; }
.foot-note { font-size: 12.5px; }

/* ---------- CTA · tmavý technologický blok ----------
   Vodoznak značky, kurzorový spotlight (len transformové a
   opacity efekty), rátajúce čísla a živý počet poslucháčov,
   ktorý sa ukáže až keď reálne prídu dáta (html.zive-live). */
.cta2 {
  position: relative;
  margin: clamp(52px, 8vw, 110px) var(--pad-x) 0;
  padding: clamp(36px, 5vw, 72px) clamp(28px, 4vw, 64px) clamp(28px, 3.6vw, 52px);
  border-radius: var(--r-card);
  background: #101014;
  color: #fff;
  overflow: hidden;
}
.microlabel--light { color: rgba(255, 255, 255, .5); }
.cta2-mark {
  position: absolute;
  right: -6%;
  top: 50%;
  width: min(46%, 460px);
  transform: translateY(-50%) rotate(-60deg);
  color: rgba(255, 255, 255, .07);
  transition: transform 1.1s cubic-bezier(.16, 1, .3, 1);
  pointer-events: none;
}
.cta2.is-in .cta2-mark { transform: translateY(-50%) rotate(0deg); }
.cta2-mark svg { display: block; width: 100%; height: auto; }
/* kurzorový spotlight: jemné svetlo sleduje myš */
.cta2::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(560px circle at var(--sx, 70%) var(--sy, 30%), rgba(255, 255, 255, .07), transparent 60%);
  opacity: 0;
  transition: opacity .5s ease;
  pointer-events: none;
}
.cta2:hover::after { opacity: 1; }
.cta2-head { position: relative; z-index: 1; max-width: 640px; }
.cta2-head h2 { font-size: clamp(30px, 4vw, 54px); margin: 14px 0 0; }
.cta2-head p { margin: 16px 0 0; max-width: 52ch; color: rgba(255, 255, 255, .68); font-size: clamp(15px, 1.3vw, 17.5px); }
.cta2-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: clamp(22px, 3vw, 34px); }
.pill--fun { background: var(--fun); }
.pill--ghost2 {
  background: none;
  border: 1px solid rgba(255, 255, 255, .32);
  color: #fff;
  transition: border-color .3s ease, background .3s ease;
}
.pill--ghost2:hover { border-color: #fff; background: rgba(255, 255, 255, .06); }
.pdftag { font-size: 9.5px; letter-spacing: .12em; opacity: .65; margin-left: 2px; }
.cta2-stats {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(24px, 4vw, 64px);
  margin-top: clamp(30px, 4.4vw, 56px);
  padding-top: clamp(18px, 2.4vw, 26px);
  border-top: 1px solid rgba(255, 255, 255, .16);
}
.st2 { display: flex; flex-direction: column; gap: 4px; }
.st2 .num {
  font-family: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 500;
  font-size: clamp(24px, 2.6vw, 36px);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.st2 > span { font-size: 12.5px; color: rgba(255, 255, 255, .55); max-width: 24ch; }
/* živý počet: schovaný, kým neprídu skutočné dáta */
.st2--live { display: none; }
html.zive-live .st2--live { display: flex; }
.live-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #3DDC68;
  animation: ldot 1.8s ease infinite;
}
@keyframes ldot { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

/* ---------- päta v plnej výbave ---------- */
.foot2 { padding: 26px calc(var(--pad-x) + 8px) 30px; color: rgba(255, 255, 255, .6); }
.foot2-top { display: flex; align-items: center; gap: 18px 28px; flex-wrap: wrap; }
.foot2 .brand { color: #fff; }
.foot2-links { display: flex; flex-wrap: wrap; gap: 18px; margin-left: auto; }
.foot2-links a { color: rgba(255, 255, 255, .72); text-decoration: none; font-size: 14px; transition: color .25s ease; }
.foot2-links a:hover { color: #fff; }
.foot2-top-btn { color: #fff; text-decoration: none; font-weight: 600; font-size: 14px; }
.foot2-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 22px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, .14);
  font-size: 12px;
  color: rgba(255, 255, 255, .45);
}

/* ---------- reveal ---------- */
html.rev [data-reveal] { opacity: 0; transform: translateY(22px); }
html.rev [data-reveal].is-in {
  opacity: 1;
  transform: none;
  transition: opacity .7s cubic-bezier(.2, .8, .2, 1), transform .7s cubic-bezier(.2, .8, .2, 1);
}

@media (max-width: 720px) {
  /* menu sa nezbaľuje: značka a tlačidlo hore, odkazy ako druhý
     riadok s horizontálnym posuvom, všetko stále na očiach */
  .nav { display: flex; flex-wrap: wrap; row-gap: 10px; padding-bottom: 10px; }
  .nav-side { margin-left: auto; }
  .nav .pill { padding: 9px 16px; font-size: 13.5px; }
  .nav-links {
    order: 3;
    width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
    padding-bottom: 2px;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a.is-here::after { bottom: -6px; }
  .cta2-mark { display: none; }
  .cta2-stats { gap: 18px 28px; }
  .foot2-links { margin-left: 0; }
  .cs-facts { gap: 8px; }
  .fact { padding: 10px 14px; }
  .more-grid { grid-template-columns: 1fr; }
}