/* ============================================================
   COMPONENTS.CSS — Reusable UI components
   aventium.ai static rebuild
   Etap 1.2: Buttons, Site Header, Site Footer
   Depends on: tokens.css, base.css (must be loaded first)
   ============================================================ */


/* ==========================================================
   SEKCJA 1: BUTTONS
   ========================================================== */

.btn {
  /* Reset */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  /* Wygląd */
  padding: 0.875rem 1.75rem;
  border: 2px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  /* Przejścia */
  transition:
    background-color var(--duration-base) var(--ease-default),
    border-color     var(--duration-base) var(--ease-default),
    color            var(--duration-base) var(--ease-default),
    transform        var(--duration-fast) var(--ease-default),
    box-shadow       var(--duration-base) var(--ease-default);
}

.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

/* Primary — cyan fill */
.btn--primary {
  background-color: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

.btn--primary:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  color: var(--primary-foreground);
  transform: scale(1.02);
  box-shadow: var(--shadow-glow-cyan);
}

.btn--primary:active {
  transform: scale(0.98);
}

/* Outline — transparent z cyan bordem */
.btn--outline {
  background-color: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn--outline:hover {
  background-color: var(--primary-10);
  color: var(--primary);
}

/* Large modifier */
.btn--large {
  padding: 1.125rem 2.5rem;
  font-size: 1.125rem;
}


/* ==========================================================
   SEKCJA 2: SITE HEADER
   ========================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  /* Domyślnie przezroczysty */
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition:
    background-color var(--duration-slow) var(--ease-default),
    border-color     var(--duration-slow) var(--ease-default),
    backdrop-filter  var(--duration-slow) var(--ease-default);
}

/* Po przewinięciu — blur + ciemne tło */
.site-header.is-scrolled {
  background-color: rgba(15, 13, 46, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border-subtle);
}

.site-header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

/* Logo */
.site-header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.site-header__logo img {
  height: 56px;
  width: auto;
}


/* ----------------------------------------------------------
   Hamburger button — tylko mobile
   ---------------------------------------------------------- */

.site-header__hamburger {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  color: var(--foreground);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
  /* Tylko na mobile — ukrywamy na desktop poniżej */
}

.site-header__hamburger:hover {
  color: var(--primary);
}

.site-header__hamburger:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

/* Ikona hamburger — przełączanie open/close przez klasę na nav */
.site-header__hamburger-icon--close {
  display: none;
}

/* Gdy menu otwarte: pokaż X, ukryj 3 kreski */
.primary-nav.is-open ~ * .site-header__hamburger-icon--open,
.site-header.has-open-menu .site-header__hamburger-icon--open {
  display: none;
}

.site-header.has-open-menu .site-header__hamburger-icon--close {
  display: block;
}

/* Prostsze podejście — JS toggleuje klasę na headerze */
.site-header__hamburger[aria-expanded="true"] .site-header__hamburger-icon--open {
  display: none;
}

.site-header__hamburger[aria-expanded="true"] .site-header__hamburger-icon--close {
  display: block;
}


/* ----------------------------------------------------------
   Primary nav — desktop
   ---------------------------------------------------------- */

.primary-nav__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.primary-nav__link {
  position: relative;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--muted-foreground);
  text-decoration: none;
  padding-bottom: 2px;
  transition: color var(--duration-fast) ease;
}

.primary-nav__link:hover {
  color: var(--foreground);
}

/* Animowane podkreślenie */
.primary-nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) ease;
}

.primary-nav__link:hover::after,
.primary-nav__link.is-active::after {
  transform: scaleX(1);
}

.primary-nav__link.is-active {
  color: var(--foreground);
}


/* ----------------------------------------------------------
   Responsywność — mobile first
   ---------------------------------------------------------- */

/* Mobile: hamburger widoczny, nav schowany */
@media (max-width: 767px) {
  .primary-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: rgba(15, 13, 46, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    /* Schowany — przesuń w górę i wygaś */
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition:
      transform var(--duration-slow) var(--ease-default),
      opacity   var(--duration-slow) var(--ease-default);
  }

  .primary-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .primary-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 1rem 1.5rem 1.5rem;
  }

  .primary-nav__list > li {
    width: 100%;
    border-bottom: 1px solid var(--border);
  }

  .primary-nav__list > li:last-child {
    border-bottom: none;
    padding-top: 1rem;
  }

  .primary-nav__link {
    display: block;
    padding: 0.875rem 0;
    font-size: var(--text-base);
    color: var(--foreground);
  }

  .primary-nav__link::after {
    display: none; /* Na mobile bez podkreślenia — za ciasno */
  }

  .primary-nav__list .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Desktop: hamburger schowany, nav widoczna */
@media (min-width: 768px) {
  .site-header__hamburger {
    display: none;
  }

  .primary-nav {
    /* Reset mobile styles */
    position: static;
    transform: none;
    opacity: 1;
    pointer-events: auto;
    background: none;
    backdrop-filter: none;
    border: none;
  }
}


/* ==========================================================
   SEKCJA 3: SITE FOOTER
   ========================================================== */

.site-footer {
  background-color: var(--footer-bg);
  padding-top: 4rem;
  padding-bottom: 2rem;
}

/* Grid 3 kolumny (desktop) / 1 kolumna (mobile) */
.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .site-footer__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
  }
}

/* Kolumna brand */
.site-footer__col--brand .site-footer__logo img {
  height: 62px;
  width: auto;
}

.site-footer__tagline {
  font-style: italic;
  color: var(--primary);
  font-size: var(--text-sm);
  margin-top: 1rem;
  max-width: none; /* override base.css p */
}

.site-footer__slogan {
  color: var(--muted-foreground);
  font-size: var(--text-sm);
  margin-top: 0.5rem;
  max-width: none;
}

/* Nagłówki kolumn */
.site-footer__heading {
  /* Reset base.css h2 */
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
  max-width: none;
  /* Upewnij się że linia bazowa h2 nie nadpisuje */
  line-height: var(--leading-normal);
}

/* Lista nawigacyjna w stopce */
.site-footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.site-footer__list a {
  color: var(--foreground);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.site-footer__list a:hover {
  color: var(--primary);
}

/* Adres firmy */
.site-footer__address {
  font-style: normal;
  line-height: 1.7;
  color: var(--muted-foreground);
  font-size: var(--text-sm);
}

/* Dolna belka */
.site-footer__bottom {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}

@media (min-width: 768px) {
  .site-footer__bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.site-footer__copyright {
  color: var(--muted-foreground);
  font-size: var(--text-sm);
  max-width: none;
}

.site-footer__legal {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.site-footer__legal a,
.site-footer__legal .site-footer__link-button {
  color: var(--muted-foreground);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-footer__legal a:hover,
.site-footer__legal .site-footer__link-button:hover {
  color: var(--primary);
}


/* ==========================================================
   SEKCJA 4: LINK-BUTTON — button stylowany jak link
   ========================================================== */

.site-footer__link-button {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
  text-decoration: none;
  text-align: left;
}

.site-footer__link-button:hover {
  color: var(--primary);
}

.site-footer__link-button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 2px;
}