/* =========================================================
   Úvodná stránka – predstavenie systému a vstup do prihlásenia.
   Farby a tlačidlá sú z app.css, takže sedí svetlý aj tmavý vzhľad.
   ========================================================= */

body.uvod {
  background: var(--bg);
  color: var(--text);
  margin: 0;
  line-height: 1.55;
}
.uvod img { display: block; max-width: 100%; height: auto; }
.uvod h1, .uvod h2, .uvod h3 { line-height: 1.2; margin: 0; }
.uvod p { margin: 0; }

.uv-obal { width: min(1160px, 100% - 32px); margin-inline: auto; }

/* --- lišta --- */
.uv-lista {
  position: sticky; top: 0; z-index: 10;
  background: var(--topbar-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.uv-lista-obsah { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.uv-lista .brand { text-decoration: none; }
.uv-menu { display: flex; gap: 22px; margin-left: auto; }
.uv-menu a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
.uv-menu a:hover { color: var(--text); }
.uv-akcie { display: flex; gap: 8px; align-items: center; }

/* --- úvod --- */
.uv-hero { padding: 72px 0 56px; overflow: hidden; }
.uv-hero-obsah { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: center; }
.uv-nadpis-maly {
  color: var(--accent); font-weight: 600; font-size: 0.85rem;
  letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 14px;
}
.uv-hero h1 { font-size: clamp(2rem, 4.2vw, 3.2rem); letter-spacing: -0.02em; margin-bottom: 18px; }
.uv-uvod { color: var(--muted); font-size: 1.1rem; max-width: 34em; }
.uv-tlacidla { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.uv-tlacidla.stred { justify-content: center; }
.uv-velke { padding: 12px 22px; font-size: 1rem; }
.uv-odznaky { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 28px 0 0; }
.uv-odznaky li {
  font-size: 0.82rem; color: var(--muted);
  border: 1px solid var(--line-strong); border-radius: 999px; padding: 4px 12px;
}
.uv-hero-foto { margin: 0; }
.uv-hero-foto img {
  border-radius: var(--r-xl); border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-3); aspect-ratio: 16 / 9; object-fit: cover; width: 100%;
}

/* --- pás s vlastnosťami --- */
.uv-pas { border-block: 1px solid var(--line); background: var(--surface); }
.uv-pas-obsah { display: grid; grid-template-columns: repeat(4, 1fr); }
.uv-pas-obsah > div { padding: 20px 16px; display: flex; flex-direction: column; gap: 2px; }
.uv-pas-obsah > div + div { border-left: 1px solid var(--line); }
.uv-pas strong { font-size: 1.05rem; }
.uv-pas span { color: var(--muted); font-size: 0.9rem; }

/* --- sekcie --- */
.uv-sekcia { padding: 80px 0; }
.uv-sekcia h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -0.01em; margin-bottom: 12px; }
.uv-podnadpis { color: var(--muted); max-width: 44em; margin-bottom: 36px; font-size: 1.05rem; }

.uv-karty { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.uv-karta {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 24px; display: flex; flex-direction: column; gap: 10px;
}
.uv-karta h3 { font-size: 1.1rem; }
.uv-karta p { color: var(--muted); font-size: 0.95rem; }
.uv-ikona {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
}

.uv-striedave { padding-top: 0; }
.uv-riadok { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center; }
.uv-riadok + .uv-riadok { margin-top: 72px; }
.uv-riadok.obratene > figure { order: 2; }
.uv-riadok figure { margin: 0; }
.uv-riadok img { border-radius: var(--r-lg); border: 1px solid var(--line); box-shadow: var(--shadow-2); }
.uv-riadok h3 { font-size: 1.45rem; margin-bottom: 12px; }
.uv-riadok p { color: var(--muted); font-size: 1.02rem; }

.uv-kroky { list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: krok; }
.uv-kroky li { border-top: 2px solid var(--accent); padding-top: 18px; }
.uv-cislo { display: block; color: var(--accent); font-weight: 700; font-size: 1.6rem; margin-bottom: 6px; }
.uv-kroky h3 { font-size: 1.05rem; margin-bottom: 6px; }
.uv-kroky p { color: var(--muted); font-size: 0.95rem; }

.uv-tmava { background: var(--surface); border-block: 1px solid var(--line); }
.uv-zariadenia { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.uv-zariadenie { background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 20px; }
.uv-zariadenie h3 { font-size: 1.02rem; margin-bottom: 8px; }
.uv-zariadenie p { color: var(--muted); font-size: 0.93rem; }
.uv-steny { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; margin-top: 36px; }
.uv-steny img { aspect-ratio: 1; object-fit: cover; width: 100%; }
.uv-steny img:first-child { border-radius: var(--r-lg) 0 0 var(--r-lg); }
.uv-steny img:last-child { border-radius: 0 var(--r-lg) var(--r-lg) 0; }
.uv-popis-foto { color: var(--faint); font-size: 0.88rem; margin-top: 10px; text-align: center; }

.uv-galeria { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.uv-galeria figure { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.uv-galeria img { aspect-ratio: 720 / 448; object-fit: cover; width: 100%; }
.uv-galeria figcaption { padding: 10px 14px 14px; font-size: 0.9rem; font-weight: 600; }

.uv-dva { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: start; }
.uv-dva p { color: var(--muted); font-size: 1.02rem; }
.uv-zoznam { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.uv-zoznam li {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
  padding: 12px 16px 12px 40px; position: relative;
}
.uv-zoznam li::before {
  content: ""; position: absolute; left: 16px; top: 50%; width: 10px; height: 6px; margin-top: -5px;
  border-left: 2px solid var(--success); border-bottom: 2px solid var(--success); transform: rotate(-45deg);
}

.uv-vyzva { text-align: center; background: linear-gradient(180deg, transparent, var(--accent-soft)); }
.uv-vyzva p { color: var(--muted); margin-bottom: 4px; }

.uv-pata { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: 0.9rem; }
.uv-pata-obsah { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }
.uv-pata nav { display: flex; flex-wrap: wrap; gap: 18px; }
.uv-pata a { color: var(--muted); }
.uv-pata a:hover { color: var(--text); }

/* --- užšie obrazovky --- */
@media (max-width: 980px) {
  .uv-menu { display: none; }
  .uv-akcie { margin-left: auto; }
  .uv-hero { padding-top: 40px; }
  .uv-hero-obsah, .uv-riadok, .uv-dva { grid-template-columns: 1fr; gap: 28px; }
  .uv-riadok.obratene > figure { order: 0; }
  .uv-karty { grid-template-columns: repeat(2, 1fr); }
  .uv-kroky, .uv-zariadenia { grid-template-columns: repeat(2, 1fr); }
  .uv-galeria { grid-template-columns: repeat(2, 1fr); }
  .uv-pas-obsah { grid-template-columns: repeat(2, 1fr); }
  .uv-pas-obsah > div:nth-child(3) { border-left: 0; }
  .uv-pas-obsah > div:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 560px) {
  .uv-sekcia { padding: 56px 0; }
  .uv-karty, .uv-kroky, .uv-zariadenia { grid-template-columns: 1fr; }
  .uv-akcie .jazyk-btn { padding-inline: 8px; }
}

/* Skok z menu nemá zastaviť nadpis pod lepiacou lištou. */
.uv-sekcia[id] { scroll-margin-top: 72px; }