/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(42, 46, 49, 0.97);
  border-bottom: 1px solid rgba(196, 181, 154, 0.15);
  transition: background var(--transition-base);
}

.header--scrolled {
  background: rgba(26, 28, 30, 0.98);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--color-sand);
}

.logo__icon {
  width: 32px;
  height: 32px;
}

.logo__text {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.1;
}

.logo__sub {
  display: block;
  font-family: var(--font-body);
  font-size: 0.5625rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
}

.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-sand);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

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

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

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

.nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-gunmetal-dark);
  padding: var(--space-xl) var(--space-lg);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
  border-left: 3px solid var(--color-olive);
}

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

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

.nav__link {
  display: block;
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.nav__link:hover,
.nav__link:focus-visible,
.nav__link--active {
  color: var(--color-sand);
  border-left-color: var(--color-sand);
  background: rgba(74, 80, 56, 0.2);
}

.nav__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  margin-left: var(--space-sm);
  background: var(--color-olive);
  color: var(--color-sand);
  font-size: 0.6875rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
}

@media (min-width: 900px) {
  .nav-toggle { display: none; }

  .nav {
    position: static;
    transform: none;
    padding: 0;
    background: transparent;
    border: none;
    overflow: visible;
  }

  .nav__list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-xs);
  }

  .nav__link {
    font-size: 0.8125rem;
    padding: var(--space-sm) var(--space-md);
    border-left: none;
    border-bottom: 2px solid transparent;
  }

  .nav__link:hover,
  .nav__link:focus-visible,
  .nav__link--active {
    border-left-color: transparent;
    border-bottom-color: var(--color-sand);
    background: transparent;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
}

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

.btn--primary {
  background: var(--color-olive);
  color: var(--color-sand);
  border-color: var(--color-olive);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-olive-light);
  color: var(--color-white);
}

.btn--outline {
  background: transparent;
  color: var(--color-sand);
  border-color: var(--color-sand);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  background: var(--color-sand);
  color: var(--color-gunmetal-dark);
}

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

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(40%) contrast(1.1);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(26, 28, 30, 0.95) 0%,
    rgba(26, 28, 30, 0.7) 50%,
    rgba(74, 80, 56, 0.4) 100%
  );
}

.hero__grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(196, 181, 154, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(196, 181, 154, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin-inline: auto;
  padding: var(--space-2xl) var(--space-lg);
}

.hero__tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-olive-light);
  border: 1px solid var(--color-olive);
  padding: var(--space-xs) var(--space-md);
  margin-bottom: var(--space-lg);
}

.hero h1 {
  margin-bottom: var(--space-lg);
  max-width: 16ch;
}

.hero h1 span {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.55em;
  margin-top: var(--space-sm);
}

.hero__lead {
  font-size: clamp(1rem, 2vw, 1.125rem);
  max-width: 48ch;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
  padding-block: var(--space-lg);
  border-top: 1px solid rgba(196, 181, 154, 0.2);
  border-bottom: 1px solid rgba(196, 181, 154, 0.2);
}

.hero__stat-value {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-sand);
}

.hero__stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* Catalog filters */
.catalog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.catalog-filter {
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: var(--color-gunmetal);
  border: 1px solid rgba(196, 181, 154, 0.2);
  transition: all var(--transition-fast);
}

.catalog-filter:hover {
  border-color: var(--color-sand);
  color: var(--color-sand);
}

.catalog-filter--active {
  background: var(--color-olive);
  border-color: var(--color-olive);
  color: var(--color-sand);
}

/* Product cards */
.catalog-grid {
  display: grid;
  gap: var(--grid-gap);
}

.product-card {
  background: var(--color-gunmetal);
  border: 1px solid rgba(196, 181, 154, 0.12);
  transition: border-color var(--transition-base), transform var(--transition-base);
  position: relative;
}

.product-card:hover {
  border-color: rgba(196, 181, 154, 0.35);
  transform: translateY(-2px);
}

.product-card[hidden] { display: none; }

.product-card__image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-gunmetal-dark);
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.product-card:hover .product-card__image img {
  transform: scale(1.03);
}

.product-card__category {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  padding: 2px 8px;
  background: var(--color-olive);
  font-family: var(--font-heading);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-sand);
}

.product-card__body {
  padding: var(--space-lg);
}

.product-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.product-card__name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-sand);
}

.product-card__price {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-sand-light);
  white-space: nowrap;
}

.product-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.product-card__specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  padding: var(--space-md);
  background: rgba(0, 0, 0, 0.25);
  margin-bottom: var(--space-md);
}

.product-card__spec {
  text-align: center;
}

.product-card__spec-label {
  display: block;
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.product-card__spec-value {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text);
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.product-card__compare {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  cursor: pointer;
}

.product-card__compare input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-olive);
  cursor: pointer;
}

.product-card__compare--disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

@media (min-width: 640px) {
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .catalog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Compare panel */
.compare-panel {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  background: var(--color-gunmetal-dark);
  border-top: 2px solid var(--color-olive);
  padding: var(--space-lg);
  transform: translateY(100%);
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-lg);
}

.compare-panel--visible {
  transform: translateY(0);
}

.compare-panel__inner {
  max-width: var(--max-width);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.compare-panel__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.compare-panel__title {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-sand);
}

.compare-panel__count {
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  text-transform: none;
  letter-spacing: 0;
}

.compare-panel__slots {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.compare-slot {
  flex: 1;
  min-width: 120px;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-gunmetal);
  border: 1px dashed rgba(196, 181, 154, 0.3);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-align: center;
}

.compare-slot--filled {
  border-style: solid;
  border-color: var(--color-olive);
  color: var(--color-text);
}

.compare-slot__remove {
  margin-left: var(--space-sm);
  color: var(--color-error);
  font-size: 0.75rem;
  text-decoration: underline;
}

.compare-panel__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Compare table */
.compare-section {
  background: var(--color-gunmetal-dark);
}

.compare-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.compare-table th,
.compare-table td {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  border: 1px solid rgba(196, 181, 154, 0.12);
  font-size: 0.875rem;
}

.compare-table th {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: var(--color-gunmetal);
  width: 160px;
}

.compare-table td {
  color: var(--color-text);
  background: rgba(61, 67, 71, 0.5);
}

.compare-table__product-name {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-sand);
}

.compare-table__price {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  color: var(--color-sand-light);
}

.compare-empty {
  text-align: center;
  padding: var(--space-3xl);
  color: var(--color-text-muted);
}

.compare-empty[hidden] { display: none; }

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

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-sand);
  margin-bottom: var(--space-sm);
}

.form-label--required::after {
  content: " *";
  color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-gunmetal-dark);
  border: 1px solid rgba(196, 181, 154, 0.25);
  color: var(--color-text);
  transition: border-color var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-sand);
  outline: none;
}

.form-input--error,
.form-select--error,
.form-textarea--error {
  border-color: var(--color-error);
}

.form-error {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-error);
  margin-top: var(--space-xs);
  min-height: 1.25rem;
}

.form-row {
  display: grid;
  gap: var(--space-lg);
}

.form-success {
  padding: var(--space-lg);
  background: rgba(90, 122, 74, 0.15);
  border: 1px solid var(--color-success);
  color: var(--color-success);
  text-align: center;
}

@media (min-width: 640px) {
  .form-row { grid-template-columns: repeat(2, 1fr); }
}

/* Features strip */
.features-strip {
  display: grid;
  gap: var(--space-lg);
}

.feature-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-gunmetal);
  border-left: 3px solid var(--color-olive);
}

.feature-item__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-olive-dark);
  font-size: 1.125rem;
}

.feature-item h3 {
  font-size: 0.9375rem;
  margin-bottom: var(--space-xs);
}

.feature-item p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0;
}

@media (min-width: 768px) {
  .features-strip {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Footer */
.footer {
  background: var(--color-gunmetal-dark);
  border-top: 1px solid rgba(196, 181, 154, 0.1);
  padding-block: var(--space-2xl);
}

.footer__grid {
  display: grid;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.footer__heading {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-sand);
  margin-bottom: var(--space-md);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
}

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

.footer__brand p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: var(--space-md);
}

.footer__bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(196, 181, 154, 0.1);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: center;
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* Koszyk i modal produktu */
.cart-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid rgba(196, 181, 154, 0.35);
  color: var(--color-sand);
  cursor: pointer;
}

.cart-btn__count {
  min-width: 1.1rem;
  height: 1.1rem;
  padding: 0 0.2rem;
  font-size: 0.65rem;
  background: var(--color-olive);
  color: var(--color-sand);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.product-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.product-card__footer {
  flex-direction: column;
  align-items: stretch;
}

.shop-overlay {
  position: fixed;
  inset: 0;
  z-index: 1900;
  background: rgba(0, 0, 0, 0.7);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s, visibility 0.25s;
}

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

.cart-panel {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 2000;
  width: min(100%, 400px);
  height: 100%;
  background: var(--color-gunmetal);
  border-left: 1px solid rgba(196, 181, 154, 0.15);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

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

.cart-panel__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg);
  border-bottom: 1px solid rgba(196, 181, 154, 0.12);
}

.cart-panel__steps {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

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

.cart-step--done {
  color: var(--color-olive-light, #8a9a6e);
}

.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(196, 181, 154, 0.12);
}

.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-sm) 0;
  border-bottom: 1px solid rgba(196, 181, 154, 0.1);
}

.cart-item img {
  object-fit: cover;
  border-radius: 2px;
}

.cart-item__name {
  display: block;
  font-weight: 500;
  font-size: 0.875rem;
}

.cart-item__meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

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

.cart-total {
  text-align: right;
  font-size: 1.1rem;
}

.cart-empty,
.cart-success {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.cart-success h3 {
  color: var(--color-sand);
  margin-bottom: var(--space-sm);
}

.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: 880px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--color-gunmetal);
  border: 1px solid rgba(196, 181, 154, 0.2);
  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;
  }
}

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

.product-modal__price {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-sand);
  margin: var(--space-sm) 0;
}

.product-modal__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.product-modal__specs {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-lg);
  font-size: 0.8rem;
}

.product-modal__specs li {
  padding: 0.25rem 0;
  border-bottom: 1px solid rgba(196, 181, 154, 0.08);
}

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