/* ═══════════════════════════════════════════════════════════════
   header.css — HLAVIČKA A NAVIGÁCIA
   ───────────────────────────────────────────────────────────────
   TODO: Výšku hlavičky zmeň cez padding-block v .header-inner
   TODO: Logo zmeň v index.html — nahraď text <img> tagom
   TODO: Nav-CTA tlačidlo (Kontakt) — štýl je .nav-cta
═══════════════════════════════════════════════════════════════ */

/* Sticky hlavička */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-header);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

/* JS pridá triedu .scrolled po 10px scrollu */
.site-header.scrolled {
  border-color: var(--clr-border);
  box-shadow:   var(--shadow-sm);
}

.header-inner {
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  width:           100%;
  max-width:       var(--container-max);
  margin-inline:   auto;
  padding-block:   12px;
}

/* Logo */
.logo {
  display:         flex;
  align-items:     center;
  text-decoration: none;
  flex-shrink:     0;
}
/* SVG/PNG logo — veľkosť kontroluj cez max-height */
.logo img {
  display:    block;
  width:      auto;
  height:     auto;
  max-width:  240px;
  max-height: var(--header-logo-height, 28px);
}

/* Navigačné odkazy */
.nav ul      { display: flex; align-items: center; gap: 4px; }

/* Logo v navigácii — vedľa "Domov", s pravým oddeľovačom */
.nav-logo-item {
  display:      flex;
  align-items:  center;
  padding-right: 12px;
  margin-right:  8px;
  border-right:  1px solid var(--clr-border);
}
.nav-logo-item a {
  display:    flex;
  align-items: center;
  padding:    0;
  background: none !important;
}
.nav-logo-item img {
  display:    block;
  height:     22px;
  width:      auto;
  max-height: 22px;
  opacity:    0.85;
  transition: opacity var(--transition);
}
.nav-logo-item a:hover img { opacity: 1; }
.nav a {
  padding:         8px 12px;
  border-radius:   var(--radius-sm);
  text-decoration: none;
  font-size:       0.95rem;
  color:           var(--clr-muted);
  font-weight:     500;
  transition:      color var(--transition), background var(--transition);
}
.nav a:hover {
  color:      var(--clr-dark);
  background: rgba(10, 59, 102, 0.05);
}

/* TODO: Posledný odkaz v nav (Kontakt) — štylizovaný ako tlačidlo */
.nav-cta {
  background:  var(--clr-primary) !important;
  color:       #fff !important;
  padding:     8px 16px !important;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--clr-primary-dk) !important; }

/* Hamburger tlačidlo — zobrazí sa len na mobile */
.menu-toggle {
  display:         none;
  flex-direction:  column;
  justify-content: center;
  gap:             5px;
  background:      none;
  border:          none;
  cursor:          pointer;
  padding:         8px;
}
.menu-toggle .bar {
  display:       block;
  width:         24px;
  height:        2px;
  background:    var(--clr-dark);
  border-radius: 2px;
  transition:    transform var(--transition), opacity var(--transition);
}

/* Language switcher on the right */
.header-lang {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 12px;
}
.header-lang a {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-size: 1rem;
}
.header-lang img {
  display: block;
  width: 20px;
  height: auto;
}

@media (max-width: 1100px) {
  .menu-toggle { display: flex; }
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: var(--space-sm) var(--space-md);
    background: #fff;
    border-bottom: 1px solid var(--clr-border);
    box-shadow: var(--shadow-md);
  }
  .nav.open { display: block; }
  .nav ul { flex-direction: column; gap: 4px; }
  .nav-logo-item { display: none; }
  .nav-cta { margin-top: 4px; }
}