/* ================================================================
   Navigation — pill bar, mega dropdown, fullscreen overlay
   ================================================================ */

.site-header {
  position: fixed;
  top: var(--header-offset);
  left: 0;
  right: 0;
  z-index: 200;
  background: transparent;
  border-bottom: none;
  box-shadow: none;
}

.site-header.is-scrolled {
  background: transparent;
  box-shadow: none;
}

body {
  padding-top: calc(var(--header-h) + var(--header-offset));
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 20px;
}

/* Logo — równe koło: ten sam width/height + równy padding */
.logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 88px;
  height: 88px;
  padding: 10px;
  background: var(--white);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease);
}

.logo:hover {
  transform: scale(1.03);
}

.logo__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  flex-shrink: 0;
  background: transparent;
}

.logo__text {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--black);
  letter-spacing: -0.02em;
  line-height: 1.25;
  max-width: 72px;
  opacity: 0.85;
}

/* Pill navigation (desktop) */
.nav-pill {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-soft);
  padding: 5px;
  border-radius: var(--radius-full);
}

.nav-pill__link,
.nav-pill__trigger {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: var(--radius-full);
  transition: all 0.25s var(--ease);
  white-space: nowrap;
}

.nav-pill__link {
  padding: 9px 18px;
}

.nav-pill__trigger {
  padding: 10px 28px;
  min-width: 124px;
  justify-content: center;
}

.nav-pill__link:hover,
.nav-pill__trigger:hover {
  color: var(--black);
  background: rgba(255, 255, 255, 0.7);
}

.nav-pill__link.is-active,
.nav-pill__trigger.is-active {
  background: var(--white);
  color: var(--black);
  box-shadow: var(--shadow-sm);
}

.nav-pill__trigger svg {
  width: 14px;
  height: 14px;
  transition: transform 0.3s var(--ease);
}

.nav-pill__item.is-open .nav-pill__trigger svg {
  transform: rotate(180deg);
}

.nav-pill__item {
  position: relative;
}

/* Mega dropdown */
.mega-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  width: 560px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0s linear 0.3s;
}

.mega-menu::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: -16px;
  height: 16px;
}

.nav-pill__item.is-open .mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0s;
}

.mega-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.mega-menu__title {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-light);
}

.mega-menu__all {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--black);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.25s;
}

.mega-menu__all:hover { gap: 8px; }

.mega-menu__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.mega-menu__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  transition: background 0.25s;
}

.mega-menu__item:hover {
  background: var(--bg);
}

.mega-menu__item img {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}

.mega-menu__item span {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--black);
}

.mega-menu__item small {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-light);
  margin-top: 1px;
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.header-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--text-muted);
  background: var(--bg-soft);
  transition: all 0.25s var(--ease);
}

.header-icon-btn:hover {
  background: var(--black);
  color: var(--white);
}

.header-icon-btn.is-active {
  background: var(--black);
  color: var(--white);
}

.header-icon-btn svg {
  width: 18px;
  height: 18px;
}

.menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--black);
  color: var(--white);
  transition: transform 0.3s var(--ease);
}

.menu-btn svg {
  width: 20px;
  height: 20px;
}

.menu-btn.is-open {
  transform: rotate(90deg);
}

/* Search bar */
.search-bar {
  position: fixed;
  top: calc(var(--header-h) + var(--header-offset));
  left: 0;
  right: 0;
  z-index: 199;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.4s var(--ease), opacity 0.4s;
  box-shadow: var(--shadow-md);
}

.search-bar.is-open {
  transform: translateY(0);
  opacity: 1;
}

.search-bar__inner {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-bar__inner svg {
  width: 22px;
  height: 22px;
  color: var(--text-light);
  flex-shrink: 0;
}

.search-bar__inner input {
  flex: 1;
  border: none;
  font-family: var(--font);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--black);
  outline: none;
}

.search-bar__inner input::placeholder {
  color: var(--text-light);
}

.search-bar__close {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  transition: background 0.25s;
}

.search-bar__close:hover {
  background: var(--bg-soft);
  color: var(--black);
}

/* Fullscreen menu overlay */
.menu-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  min-height: 100vh;
  min-height: 100dvh;
  z-index: 250;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0.4s;
}

.menu-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.menu-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(420px, 90vw);
  height: 100vh;
  height: 100dvh;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--white);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.45s var(--ease);
  overflow-y: auto;
}

.menu-overlay.is-open .menu-panel {
  transform: translateX(0);
}

.menu-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.menu-panel__close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-soft);
  transition: background 0.25s;
}

.menu-panel__close:hover {
  background: var(--black);
  color: var(--white);
}

.menu-panel__nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 32px;
}

.menu-panel__link {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--black);
  letter-spacing: -0.03em;
  padding: 12px 0;
  transform: translateX(20px);
  opacity: 0;
  transition: transform 0.4s var(--ease), opacity 0.4s, color 0.25s;
}

.menu-overlay.is-open .menu-panel__link {
  transform: translateX(0);
  opacity: 1;
}

.menu-overlay.is-open .menu-panel__link:nth-child(1) { transition-delay: 0.05s; }
.menu-overlay.is-open .menu-panel__link:nth-child(2) { transition-delay: 0.1s; }
.menu-overlay.is-open .menu-panel__link:nth-child(3) { transition-delay: 0.15s; }
.menu-overlay.is-open .menu-panel__link:nth-child(4) { transition-delay: 0.2s; }
.menu-overlay.is-open .menu-panel__link:nth-child(5) { transition-delay: 0.25s; }

.menu-panel__link:hover { color: var(--text-muted); }

.menu-panel__link.is-active {
  color: var(--black);
}

.menu-panel__cats {
  margin-top: auto;
}

.menu-panel__cats-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light);
  margin-bottom: 12px;
}

.menu-panel__cats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.menu-panel__cat {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--black);
  transition: background 0.25s;
}

.menu-panel__cat:hover { background: var(--bg-soft); }

.menu-panel__cat img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
}

.menu-panel__footer {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

body.menu-open {
  overflow-x: hidden;
}

@media (max-width: 768px) {
  html,
  body {
    max-width: 100%;
  }
}

/* Responsive */
@media (max-width: 900px) {
  .nav-pill { display: none; }
  .header-actions .btn--sm { display: none; }
  .menu-btn { display: flex; }
}

@media (min-width: 901px) {
  .menu-overlay { display: none; }
}

@media (max-width: 480px) {
  .logo__text { display: none; }
}