/*
 * Súbor: css/components/site-navigation.css
 * Obsah: Spoločný vzhľad hlavičky: logo, navigačné odkazy a ich hover, telefón, CTA a mobilné tlačidlo menu.
 * Použitie: sluzby.html, index.html, sluzba-betonove_a_oporne_mury.html, sluzba-havarie.html, sluzba-pripojky.html.
 * Zapojenie: <link rel="stylesheet" href="css/components/site-navigation.css">; zachovaj pozíciu v hlavičke podľa css/README.md.
 * Závislosti: HTML triedy a selektory uvedené v pravidlách nižšie, css/general/base.css a farebné premenné témy stránky.
 */
/* Spoločný vzhľad hlavičky pre index.html, sluzba-pripojky.html
 * a sluzba-betonove_a_oporne_mury.html. Načítava sa po štýloch stránky.
 * Odkazy a logá sú v HTML; správanie mobilného menu spravuje js/components/nav.js.
 * Hover kopíruje úvod: zmena farby a podčiarknutie zľava doprava.
 */
.site-header,
.mobile-menu {
  --nav-accent: var(--accent);
  --nav-phone-color: #97530F;
}

html[data-palette="pripojky"] .site-header,
html[data-palette="pripojky"] .mobile-menu {
  --nav-phone-color: #08728C;
}

.site-header .header-inner {
  gap: clamp(12px, 1.8vw, 28px);
}

.site-header .header-logo-mark {
  box-sizing: border-box;
  width: 56px;
  height: 56px;
  flex: 0 0 56px;
  object-fit: contain;
}

.site-header .header-logo-mark--inset {
  padding: 8px;
}

.site-header .desktop-nav {
  gap: clamp(16px, 2vw, 26px);
}

.site-header .desktop-nav a,
.mobile-menu nav > a.nav-link {
  position: relative;
  color: var(--palette-dark);
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms ease;
}

.site-header .nav-link::before,
.mobile-menu .nav-link::before {
  content: none;
}

.site-header .nav-link::after,
.mobile-menu .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -7px;
  height: 2px;
  background: var(--nav-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-header .nav-link:hover,
.site-header .nav-link:focus-visible,
.mobile-menu nav > a.nav-link:hover,
.mobile-menu nav > a.nav-link:focus-visible {
  color: var(--nav-accent);
}

.site-header .nav-link:hover::after,
.site-header .nav-link:focus-visible::after,
.mobile-menu .nav-link:hover::after,
.mobile-menu .nav-link:focus-visible::after {
  transform: scaleX(1);
}

.site-header .header-contact a,
.mobile-menu nav > a[href^="tel:"] {
  color: var(--nav-phone-color);
  background: transparent;
  font-size: clamp(18px, 1.6vw, 22px);
  font-weight: 800;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
  text-underline-offset: 5px;
}

.site-header .header-contact a:hover,
.mobile-menu nav > a[href^="tel:"]:hover {
  text-decoration: underline;
}

.site-header .header-cta {
  min-height: 48px;
  padding-inline: 20px;
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
}

.site-header .menu-toggle {
  width: 52px;
  height: 44px;
  border-color: var(--palette-dark);
  font-size: 13px;
  font-weight: 700;
}

@media (max-width: 1023px) {
  .site-header .header-logo-mark {
    width: 52px;
    height: 52px;
    flex-basis: 52px;
  }

  .mobile-menu .nav-link::after {
    bottom: 0;
  }

  .mobile-menu nav > a[href^="tel:"] {
    padding-block: 20px;
    font-size: 22px;
  }
}

@media (max-width: 767px) {
  .site-header .header-logo-mark {
    width: 44px;
    height: 44px;
    flex-basis: 44px;
  }

  .site-header .header-logo-mark--inset {
    padding: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header .nav-link,
  .mobile-menu .nav-link,
  .site-header .nav-link::after,
  .mobile-menu .nav-link::after {
    transition: none;
  }
}