/* ===== CSS Variables ===== */
:root {
  /* Colors */
  --color-primary: #1e40af;
  --color-primary-dark: #1e3a8a;
  --color-primary-light: #3b82f6;
  --color-secondary: #059669;
  --color-accent: #f59e0b;

  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-text-muted: #9ca3af;

  --color-bg: #ffffff;
  --color-bg-gray: #f3f4f6;
  --color-bg-dark: #111827;

  --color-border: #e5e7eb;
  --color-border-dark: #d1d5db;

  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Container */
  --container-max: 1280px;
  --container-padding: 1rem;
}

/* ===== Reset ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* ===== Container ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-base);
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

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

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

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

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

.btn--lg {
  padding: 1rem 2rem;
  font-size: var(--font-size-lg);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
}

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

/* ===== Section ===== */
.section {
  padding: var(--spacing-3xl) 0;
}

.section--gray {
  background-color: var(--color-bg-gray);
}

.section__title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.section__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.section__header .section__title {
  margin-bottom: 0;
  text-align: left;
}

.section__link {
  color: var(--color-primary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.section__link:hover {
  color: var(--color-primary-dark);
}

/* ===== Header ===== */
.header {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
}

.header__logo-icon {
  font-size: 1.5rem;
}

.header__nav-list {
  display: flex;
  gap: var(--spacing-lg);
}

.header__nav-link {
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition-fast);
  padding: var(--spacing-sm) 0;
}

.header__nav-link:hover {
  color: var(--color-primary);
}

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

.header__search-btn,
.header__cart,
.header__account {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: all var(--transition-fast);
  background: none;
  border: none;
  cursor: pointer;
}

.header__search-btn:hover,
.header__cart:hover,
.header__account:hover {
  background-color: var(--color-bg-gray);
  color: var(--color-primary);
}

.header__cart {
  position: relative;
}

.header__cart-count {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background-color: var(--color-primary);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.header__login-btn {
  padding: 0.5rem 1rem;
  background-color: var(--color-primary);
  color: white;
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: background-color var(--transition-fast);
}

.header__login-btn:hover {
  background-color: var(--color-primary-dark);
}

.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  height: 24px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 3px 0;
}

.header__burger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  transition: all var(--transition-base);
}

/* Search Modal */
.search-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 100px;
  z-index: 2000;
}

.search-modal.active {
  display: flex;
}

.search-modal__content {
  background-color: var(--color-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  position: relative;
}

.search-modal__form {
  display: flex;
  gap: var(--spacing-sm);
}

.search-modal__input {
  flex: 1;
  padding: var(--spacing-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-lg);
}

.search-modal__input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.search-modal__submit {
  padding: var(--spacing-md) var(--spacing-xl);
  background-color: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  cursor: pointer;
}

.search-modal__close {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  cursor: pointer;
  color: var(--color-text-light);
}

/* ===== Hero Section ===== */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  padding: var(--spacing-3xl) 0;
}

.hero__content {
  max-width: 700px;
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: var(--spacing-lg);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-bottom: var(--spacing-xl);
}

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

.hero .btn--primary {
  background-color: white;
  color: var(--color-primary);
}

.hero .btn--primary:hover {
  background-color: var(--color-bg-gray);
}

.hero .btn--outline {
  border-color: white;
  color: white;
}

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

/* ===== Categories Section ===== */
.categories__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.category-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all var(--transition-base);
}

.category-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.category-card__icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.category-card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.category-card__desc {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* ===== Features Section ===== */
.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.feature-card {
  text-align: center;
  padding: var(--spacing-lg);
}

.feature-card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.feature-card__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.feature-card__desc {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* ===== Products Grid ===== */
.products__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--spacing-lg);
}

.product-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
}

.product-card__image {
  height: 200px;
  background-color: var(--color-bg-gray);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.product-card__content {
  padding: var(--spacing-md);
}

.product-card__title {
  font-size: var(--font-size-base);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card__price {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
}

.product-card__old-price {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-decoration: line-through;
  margin-left: var(--spacing-sm);
}

/* Placeholder cards */
.product-card--placeholder .product-card__image {
  animation: pulse 2s infinite;
}

.product-card__title-placeholder,
.product-card__price-placeholder {
  height: 20px;
  background-color: var(--color-bg-gray);
  border-radius: var(--radius-sm);
  animation: pulse 2s infinite;
}

.product-card__title-placeholder {
  width: 80%;
  margin-bottom: var(--spacing-sm);
}

.product-card__price-placeholder {
  width: 50%;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ===== CTA Section ===== */
.cta {
  background: linear-gradient(135deg, var(--color-secondary) 0%, #047857 100%);
  color: white;
}

.cta__content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.cta__title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

.cta__text {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-bottom: var(--spacing-xl);
}

.cta__form {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.cta__input {
  padding: var(--spacing-md);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  width: 250px;
}

.cta .btn--primary {
  background-color: white;
  color: var(--color-secondary);
}

.cta__note {
  margin-top: var(--spacing-md);
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

.cta__note a {
  text-decoration: underline;
}

/* ===== Footer ===== */
.footer {
  background-color: var(--color-bg-dark);
  color: white;
  padding: var(--spacing-3xl) 0 0;
  margin-top: auto;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.footer__description {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-lg);
}

.footer__phone {
  font-size: var(--font-size-xl);
  font-weight: 600;
  display: block;
  margin-bottom: var(--spacing-xs);
}

.footer__phone:hover {
  color: var(--color-primary-light);
}

.footer__phone-note {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
}

.footer__title {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer__list li {
  margin-bottom: var(--spacing-sm);
}

.footer__list a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer__list a:hover {
  color: white;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) 0;
}

.footer__copyright {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-sm);
}

.footer__payments {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.footer__payment-label {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-sm);
}

.footer__payment-icons {
  display: flex;
  gap: var(--spacing-sm);
  font-size: 1.5rem;
}

/* ===== Cookie Banner ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-bg-dark);
  color: white;
  padding: var(--spacing-md);
  z-index: 1000;
  display: none;
}

.cookie-banner.active {
  display: block;
}

.cookie-banner__content {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
}

.cookie-banner__content p {
  font-size: var(--font-size-sm);
}

.cookie-banner__content a {
  color: var(--color-primary-light);
  text-decoration: underline;
}

.cookie-banner__accept {
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  white-space: nowrap;
}

/* ===== Breadcrumbs ===== */
.breadcrumbs {
  background-color: var(--color-bg-gray);
  padding: var(--spacing-md) 0;
}

.breadcrumbs__list {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.breadcrumbs__list li:not(:last-child)::after {
  content: '/';
  margin-left: var(--spacing-sm);
  color: var(--color-text-muted);
}

.breadcrumbs__list a {
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

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

.breadcrumbs__list span {
  color: var(--color-text);
}

/* ===== Catalog Page ===== */
.catalog__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.catalog__title {
  font-size: var(--font-size-3xl);
}

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

.catalog__sort {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.catalog__sort label {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

.catalog__sort-select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
}

.catalog__view {
  display: flex;
  gap: var(--spacing-xs);
}

.catalog__view-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
  color: var(--color-text-light);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.catalog__view-btn:hover,
.catalog__view-btn--active {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.catalog__content {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--spacing-xl);
}

.catalog__sidebar {
  position: sticky;
  top: 90px;
  align-self: start;
}

.filter-block {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.filter-block__title {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
}

.filter-block__list li {
  margin-bottom: var(--spacing-sm);
}

.filter-checkbox {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
}

.filter-checkbox input {
  display: none;
}

.filter-checkbox__mark {
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.filter-checkbox input:checked + .filter-checkbox__mark {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.filter-checkbox input:checked + .filter-checkbox__mark::after {
  content: '✓';
  color: white;
  font-size: 12px;
}

.filter-checkbox__text {
  font-size: var(--font-size-sm);
}

.filter-price {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.filter-price__input {
  flex: 1;
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  width: 80px;
}

.filter-price__separator {
  color: var(--color-text-muted);
}

.filter-apply,
.filter-reset {
  margin-top: var(--spacing-sm);
}

.catalog__empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--spacing-3xl);
  color: var(--color-text-light);
}

.catalog__empty-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
}

/* ===== Pagination ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-xl);
}

.pagination__btn {
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pagination__btn:hover,
.pagination__btn--active {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination__btn--active {
  background-color: var(--color-primary);
  color: white;
}

/* ===== Error Pages ===== */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
}

.error-page__content {
  text-align: center;
  max-width: 500px;
  margin: 0 auto;
}

.error-page__code {
  font-size: 8rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--spacing-md);
}

.error-page__title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

.error-page__text {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
}

.error-page__actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
}

.error-page__details {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-md);
  background-color: var(--color-bg-gray);
  border-radius: var(--radius-md);
  text-align: left;
  overflow-x: auto;
}

.error-page__details pre {
  font-family: monospace;
  font-size: var(--font-size-sm);
  color: var(--color-error);
}

/* ===== Info Pages ===== */
.info-page {
  padding: var(--spacing-3xl) 0;
}

.info-page__content {
  max-width: 800px;
  margin: 0 auto;
}

.info-page__title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-xl);
}

.info-page__content h2 {
  font-size: var(--font-size-xl);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.info-page__content p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-light);
}

.info-page__content ul,
.info-page__content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-xl);
}

.info-page__content li {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-light);
  list-style: disc;
}

.info-page__content ol li {
  list-style: decimal;
}

/* ===== Contact Page ===== */
.contacts__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
}

.contacts__info-item {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.contacts__info-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-primary);
  color: white;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contacts__info-title {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.contacts__info-text {
  color: var(--color-text-light);
}

.contacts__info-text a {
  color: var(--color-primary);
}

.contacts__form {
  background-color: var(--color-bg-gray);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

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

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .catalog__content {
    grid-template-columns: 1fr;
  }

  .catalog__sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
  }

  .filter-block {
    margin-bottom: 0;
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
  }

  .header__nav {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .header__nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .header__nav-list {
    flex-direction: column;
    gap: 0;
  }

  .header__nav-link {
    display: block;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
  }

  .header__burger {
    display: flex;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }

  .catalog__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .catalog__sidebar {
    grid-template-columns: 1fr;
  }

  .contacts__grid {
    grid-template-columns: 1fr;
  }

  .cookie-banner__content {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  h1 { font-size: var(--font-size-2xl); }
  h2 { font-size: var(--font-size-xl); }

  .section {
    padding: var(--spacing-2xl) 0;
  }

  .categories__grid {
    grid-template-columns: 1fr;
  }

  .products__grid {
    grid-template-columns: 1fr;
  }

  .cta__form {
    flex-direction: column;
  }

  .cta__input {
    width: 100%;
  }
}

/* ===== Main Content ===== */
.main-content {
  flex: 1;
}