/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(44, 44, 44, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base);
}

.header--light {
  background: rgba(245, 240, 232, 0.95);
  border-bottom-color: var(--color-border-dark);
}

.header--light .logo,
.header--light .nav__link {
  color: var(--color-graphite);
}

.header--light .hamburger__line {
  background: var(--color-graphite);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-ivory);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__list {
  display: flex;
  gap: var(--space-2xl);
}

.nav__link {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-ivory);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-burgundy);
  transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav__link:hover {
  color: var(--color-burgundy-light);
}

.wishlist-btn {
  position: relative;
  background: none;
  border: none;
  color: var(--color-ivory);
  cursor: pointer;
  padding: var(--space-sm);
  font-size: var(--text-lg);
  transition: color var(--transition-fast);
}

.header--light .wishlist-btn {
  color: var(--color-graphite);
}

.wishlist-btn:hover {
  color: var(--color-burgundy);
}

.wishlist-btn__count {
  position: absolute;
  top: 0;
  right: 0;
  min-width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-burgundy);
  color: var(--color-ivory);
  font-size: 10px;
  font-weight: 700;
  border-radius: 50%;
  transform: translate(25%, -25%);
}

.wishlist-btn__count:empty,
.wishlist-btn__count[data-count="0"] {
  display: none;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.hamburger__line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-ivory);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.hamburger[aria-expanded="true"] .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger[aria-expanded="true"] .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger[aria-expanded="true"] .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 767px) {
  .hamburger {
    display: flex;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-graphite);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }

  .nav--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__list {
    flex-direction: column;
    gap: var(--space-md);
  }

  .nav__link {
    display: block;
    padding: var(--space-sm) 0;
    font-size: var(--text-sm);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 1rem 2.5rem;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}

.btn--primary {
  background: var(--color-burgundy);
  color: var(--color-ivory);
}

.btn--primary:hover {
  background: var(--color-burgundy-light);
  color: var(--color-ivory);
}

.btn--outline {
  background: transparent;
  color: var(--color-ivory);
  border: 1px solid var(--color-ivory);
}

.btn--outline:hover {
  background: var(--color-ivory);
  color: var(--color-graphite);
}

.btn--dark {
  background: var(--color-graphite);
  color: var(--color-ivory);
  border: 1px solid var(--color-graphite);
}

.btn--dark:hover {
  background: var(--color-graphite-light);
}

.btn--full {
  width: 100%;
}

.btn--sm {
  padding: 0.625rem 1.25rem;
  font-size: 10px;
}

/* Form */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-dark);
  background: var(--color-white);
  border: 1px solid var(--color-border-dark);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  border-color: var(--color-burgundy);
  box-shadow: 0 0 0 3px rgba(107, 45, 60, 0.15);
}

.form-input--error {
  border-color: #C0392B;
}

.form-error {
  display: block;
  font-size: var(--text-xs);
  color: #C0392B;
  margin-top: var(--space-xs);
  min-height: 1rem;
}

.form-success {
  padding: var(--space-lg);
  background: rgba(107, 45, 60, 0.1);
  border: 1px solid var(--color-burgundy);
  text-align: center;
  color: var(--color-burgundy-dark);
}

.form-success[hidden] {
  display: none;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  background: var(--color-overlay);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal--open {
  opacity: 1;
  visibility: visible;
}

.modal__dialog {
  position: relative;
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--color-ivory);
  color: var(--color-text-dark);
  padding: var(--space-2xl);
  transform: translateY(20px);
  transition: transform var(--transition-base);
}

.modal--open .modal__dialog {
  transform: translateY(0);
}

.modal__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  font-size: var(--text-2xl);
  color: var(--color-graphite);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.modal__close:hover {
  color: var(--color-burgundy);
}

.modal__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-graphite);
  margin-bottom: var(--space-xl);
  padding-right: var(--space-2xl);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.95);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.lightbox--open {
  opacity: 1;
  visibility: visible;
}

.lightbox__image {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
}

.lightbox__close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--color-ivory);
  color: var(--color-ivory);
  font-size: var(--text-2xl);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.lightbox__close:hover {
  background: var(--color-burgundy);
  border-color: var(--color-burgundy);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--color-ivory);
  color: var(--color-ivory);
  font-size: var(--text-xl);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.lightbox__nav:hover {
  background: var(--color-burgundy);
  border-color: var(--color-burgundy);
}

.lightbox__nav--prev { left: var(--space-lg); }
.lightbox__nav--next { right: var(--space-lg); }

.lightbox__caption {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-ivory);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Wishlist panel */
.wishlist-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 2500;
  width: 100%;
  max-width: 400px;
  background: var(--color-ivory);
  color: var(--color-text-dark);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  display: flex;
  flex-direction: column;
}

.wishlist-panel--open {
  transform: translateX(0);
}

.wishlist-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xl);
  border-bottom: 1px solid var(--color-border-dark);
}

.wishlist-panel__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-graphite);
}

.wishlist-panel__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-lg);
}

.wishlist-panel__empty {
  text-align: center;
  color: var(--color-graphite-light);
  padding: var(--space-2xl);
}

.wishlist-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border-dark);
}

.wishlist-item__image {
  width: 80px;
  height: 100px;
  object-fit: cover;
}

.wishlist-item__info {
  flex: 1;
}

.wishlist-item__name {
  font-weight: 600;
  font-size: var(--text-sm);
  margin-bottom: var(--space-xs);
}

.wishlist-item__price {
  font-size: var(--text-sm);
  color: var(--color-burgundy);
}

.wishlist-item__remove {
  background: none;
  border: none;
  color: var(--color-graphite-light);
  cursor: pointer;
  font-size: var(--text-lg);
  padding: var(--space-xs);
}

.wishlist-item__remove:hover {
  color: var(--color-burgundy);
}

.wishlist-overlay {
  position: fixed;
  inset: 0;
  z-index: 2400;
  background: var(--color-overlay);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

/* Footer */
.footer {
  background: var(--color-graphite-dark);
  padding-block: var(--space-3xl);
  border-top: 1px solid var(--color-border);
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer__brand {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.footer__text {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.footer__heading {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-md);
}

.footer__links li {
  margin-bottom: var(--space-sm);
}

.footer__links a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.footer__links a:hover {
  color: var(--color-ivory);
}

.footer__bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

/* Size table */
.size-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.size-table th,
.size-table td {
  padding: var(--space-sm) var(--space-md);
  text-align: center;
  border: 1px solid var(--color-border-dark);
}

.size-table th {
  background: var(--color-graphite);
  color: var(--color-ivory);
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.size-table tr:nth-child(even) {
  background: rgba(44, 44, 44, 0.05);
}

.size-guide__note {
  margin-top: var(--space-lg);
  font-size: var(--text-sm);
  color: var(--color-graphite-light);
}

/* Shop — koszyk i produkt */
.cart-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.75rem;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--color-border-dark);
  color: var(--color-ivory);
  cursor: pointer;
}

.cart-btn__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  height: 1.25rem;
  padding: 0 0.25rem;
  font-size: 0.65rem;
  background: var(--color-burgundy);
  color: var(--color-ivory);
  border-radius: 999px;
}

.shop-overlay {
  position: fixed;
  inset: 0;
  z-index: 1900;
  background: rgba(26, 26, 26, 0.75);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.cart-panel {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 2000;
  width: min(100%, 420px);
  height: 100%;
  background: var(--color-ivory);
  color: var(--color-text-dark);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.2);
}

.cart-panel--open {
  transform: translateX(0);
}

.cart-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--color-border-dark);
}

.cart-panel__steps {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid rgba(44, 44, 44, 0.1);
}

.cart-step {
  color: var(--color-graphite-light);
}

.cart-step--active {
  color: var(--color-burgundy);
  font-weight: 600;
}

.cart-step--done {
  color: var(--color-graphite);
}

.cart-panel__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-lg);
}

.cart-panel__footer {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-top: 1px solid rgba(44, 44, 44, 0.1);
}

.cart-list {
  list-style: none;
  margin: 0 0 var(--space-lg);
  padding: 0;
}

.cart-item {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  padding: var(--space-md) 0;
  border-bottom: 1px solid rgba(44, 44, 44, 0.08);
}

.cart-item img {
  object-fit: cover;
  flex-shrink: 0;
}

.cart-item__name {
  display: block;
  font-weight: 600;
  font-size: var(--text-sm);
}

.cart-item__meta,
.cart-item__price {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-graphite-light);
}

.cart-item__remove {
  margin-left: auto;
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--color-graphite-light);
}

.cart-total {
  font-size: var(--text-lg);
  text-align: right;
}

.cart-empty {
  color: var(--color-graphite-light);
  font-size: var(--text-sm);
}

.cart-success {
  text-align: center;
  padding: var(--space-xl) 0;
}

.product-modal[hidden],
.shop-overlay[hidden],
.cart-panel[hidden] {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

.product-modal {
  position: fixed;
  inset: 0;
  z-index: 2100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.product-modal__dialog {
  position: relative;
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--color-ivory);
  padding: var(--space-xl);
}

.product-modal__grid {
  display: grid;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .product-modal__grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.product-modal__image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.product-modal__price {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  margin: var(--space-sm) 0 var(--space-md);
}

.product-modal__desc,
.product-modal__material {
  font-size: var(--text-sm);
  color: var(--color-graphite-light);
  margin-bottom: var(--space-md);
}

.btn--block {
  width: 100%;
  margin-top: var(--space-sm);
}