@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');

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

:root {
  --white:   #ffffff;
  --off:     #f4f6f8;
  --light:   #e8ecf0;
  --mid:     #8a9bb0;
  --dark:    #1e2e42;
  --black:   #111820;
  --accent:  #1565c0;
  --accent-h:#0d47a1;
}

html { font-size: 14px; }

body {
  background: #eef0f3;
  color: var(--black);
  font-family: 'Roboto', sans-serif;
  font-weight: 400;
  min-height: 100vh;
}

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

button {
  font-family: 'Roboto', sans-serif;
  cursor: pointer;
  border: none;
  background: none;
}

.site-wrap {
  max-width: 1280px;
  margin: 0 auto;
  background: var(--white);
  min-height: 100vh;
}

/* ─── SITE HEADER ────────────────────────────────────── */

.site-header {
  background: var(--dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 60px;
  position: sticky;
  top: 0;
  z-index: 200;
}

.site-logo {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
}

.site-logo span { color: #64b5f6; }

.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.burger span {
  display: block;
  height: 2px;
  background: var(--white);
  transition: transform 0.2s, opacity 0.2s;
}

.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #7a9bbf;
  transition: color 0.15s;
  position: relative;
}

.nav-link:hover { color: var(--white); }

.nav-link.active { color: var(--white); }

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: #64b5f6;
}

.nav-contact-phone {
  font-size: 12px;
  font-weight: 600;
  color: #64b5f6;
  letter-spacing: 0.03em;
  transition: color 0.15s;
  margin-left: 8px;
}

.nav-contact-phone:hover { color: var(--white); }

/* ─── SITE FOOTER ────────────────────────────────────── */

.site-footer {
  background: var(--dark);
  padding: 32px 40px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-logo { font-size: 16px; }

.footer-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.footer-nav a {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #7a9bbf;
  transition: color 0.15s;
}

.footer-nav a:hover { color: var(--white); }

.footer-copy {
  font-size: 11px;
  letter-spacing: 0.04em;
  color: #3a5060;
}

.footer-contacts {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: #7a9bbf;
  transition: color 0.15s;
}

.footer-contact-item:hover { color: var(--white); }

.footer-contact-item svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ─── CATALOG CTA ────────────────────────────────────── */

.catalog-cta {
  background: var(--dark);
  padding: 52px 40px;
}

.catalog-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.catalog-cta .section-label { color: #64b5f6; }

/* ─── CONTACTS ────────────────────────────────────────── */

.contacts {
  padding: 72px 40px;
  background: var(--white);
}

.contacts-header {
  text-align: center;
  margin-bottom: 48px;
}

.contacts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 36px 24px;
  border: 1px solid var(--light);
  background: var(--off);
  text-align: center;
  transition: border-color 0.15s, background 0.15s;
}

.contact-card:hover {
  border-color: var(--accent);
  background: var(--white);
}

.contact-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.contact-icon svg {
  width: 100%;
  height: 100%;
}

.contact-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mid);
}

.contact-value {
  font-size: 15px;
  font-weight: 500;
  color: var(--dark);
}

/* ─── HERO ────────────────────────────────────────────── */

.hero {
  background: var(--dark);
  padding: 72px 40px 80px;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-deco { display: none; }

.hero-supra {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #64b5f6;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.hero-supra::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: #64b5f6;
  flex-shrink: 0;
}

.hero-title {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 15px;
  line-height: 1.75;
  color: #7a9bbf;
  margin-bottom: 40px;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding: 0 26px;
  background: var(--accent);
  color: var(--white);
  font-family: 'Roboto', sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--accent);
  transition: background 0.15s, border-color 0.15s;
}

.btn-primary:hover {
  background: var(--accent-h);
  border-color: var(--accent-h);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding: 0 26px;
  background: transparent;
  color: var(--white);
  font-family: 'Roboto', sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.22);
  transition: border-color 0.15s;
}

.btn-secondary:hover {
  border-color: rgba(255,255,255,0.6);
}

.btn-disabled {
  opacity: 0.4;
  cursor: default;
  pointer-events: none;
}

/* ─── ABOUT ───────────────────────────────────────────── */

.about {
  padding: 52px 40px;
  background: var(--white);
  border-bottom: 1px solid var(--light);
}

.about-inner {
  max-width: 800px;
}

.section-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

.about-quote {
  border-left: 3px solid var(--accent);
  padding-left: 28px;
  font-size: 16px;
  line-height: 1.85;
  color: #334455;
  font-style: normal;
  font-weight: 300;
}

.about-quote strong {
  font-weight: 600;
  color: var(--dark);
}

/* ─── CONDITIONS ──────────────────────────────────────── */

.conditions {
  padding: 52px 40px;
  background: var(--off);
  border-bottom: 1px solid var(--light);
}

.conditions-header {
  margin-bottom: 32px;
}

.section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--black);
}

.conditions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--light);
}

.condition-item {
  padding: 32px 28px;
  background: var(--white);
  border-right: 1px solid var(--light);
}

.condition-item:last-child {
  border-right: none;
}

.condition-icon {
  width: 40px;
  height: 40px;
  color: var(--accent);
  margin-bottom: 20px;
}

.condition-icon svg {
  width: 40px;
  height: 40px;
}

.condition-heading {
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.condition-text {
  font-size: 13px;
  line-height: 1.75;
  color: #556070;
}

/* ─── STEPS ───────────────────────────────────────────── */

.steps {
  padding: 52px 40px 60px;
  background: var(--white);
  border-bottom: 2px solid var(--off);
}

.steps-header {
  margin-bottom: 36px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.step {
  padding: 28px 24px 28px 0;
  border-top: 2px solid var(--light);
  border-right: 1px solid var(--light);
  padding-right: 28px;
}

.step:last-child {
  border-right: none;
}

.step-num {
  font-size: 40px;
  font-weight: 700;
  color: var(--light);
  line-height: 1;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.step-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--dark);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.step-text {
  font-size: 13px;
  line-height: 1.75;
  color: #556070;
}

/* ─── CATALOG SECTION ─────────────────────────────────── */

.catalog-section {
  background: var(--white);
  scroll-margin-top: 0;
}

.catalog-head {
  padding: 52px 40px 32px;
}

.catalog-head-top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 24px;
}

.count-label {
  font-size: 12px;
  color: var(--mid);
  white-space: nowrap;
  padding-bottom: 4px;
}

/* ─── CATALOG FILTERS (chip style) ───────────────────── */

.catalog-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.catalog-tab {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mid);
  padding: 7px 18px;
  border: 1px solid var(--light);
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.catalog-tab:hover {
  color: var(--black);
  border-color: #b0bec5;
}

.catalog-tab.active {
  color: var(--white);
  background: var(--accent);
  border-color: var(--accent);
}

/* ─── CATALOG SEARCH ──────────────────────────────────── */

.catalog-search {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 44px;
  padding: 0 16px;
  border: 1px solid var(--light);
  background: var(--off);
  transition: border-color 0.15s;
}

.catalog-search:focus-within {
  border-color: #b0bec5;
}

.search-icon {
  width: 15px;
  height: 15px;
  color: var(--mid);
  flex-shrink: 0;
}

.catalog-search input {
  flex: 1;
  font-family: 'Roboto', sans-serif;
  font-size: 14px;
  color: var(--black);
  background: none;
  border: none;
  outline: none;
}

.catalog-search input::placeholder { color: var(--mid); }

/* ─── CATALOG GRID ────────────────────────────────────── */

.catalog-wrap {
  padding: 0 40px 60px;
  background: var(--off);
}

.catalog-grid {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* ─── PRODUCT CARD ────────────────────────────────────── */

.product-card {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  cursor: pointer;
  background: var(--white);
  min-height: 120px;
  transition: box-shadow 0.15s;
}

.product-card:hover {
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  position: relative;
  z-index: 1;
}

.product-card:hover .card-img img {
  transform: scale(1.05);
}

.card-img {
  width: 140px;
  height: 120px;
  overflow: hidden;
  background: var(--off);
  flex-shrink: 0;
  align-self: stretch;
  max-height: 120px;
}

.card-img img {
  width: 140px;
  height: 120px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.card-body {
  padding: 16px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  border-left: 1px solid var(--off);
}

.card-category {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.card-name {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--black);
}

.card-sku {
  font-size: 11px;
  color: var(--mid);
}

.card-footer {
  padding: 16px 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  gap: 10px;
  border-left: 1px solid var(--off);
  min-width: 140px;
}

.card-price {
  font-size: 20px;
  font-weight: 700;
  color: var(--black);
  white-space: nowrap;
}

.card-arrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 4px;
}

.card-arrow svg {
  width: 12px;
  height: 12px;
  transition: transform 0.15s;
}

.product-card:hover .card-arrow svg {
  transform: translateX(3px);
}

/* ─── PRODUCT PAGE ────────────────────────────────────── */

.product-header {
  background: var(--dark);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 0 40px;
  height: 56px;
}

.logo-sm {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--white);
  text-transform: uppercase;
}

.logo-sm span { color: #64b5f6; }

.header-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.back-link {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #7a9bbf;
  transition: color 0.15s;
}

.back-link:hover { color: var(--white); }

/* ─── PRODUCT PAGE ───────────────────────────────────── */

.product-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 40px 60px;
}

.product-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--mid);
  margin-bottom: 28px;
}

.product-breadcrumb a { color: var(--mid); text-decoration: none; }
.product-breadcrumb a:hover { color: var(--accent); }
.product-breadcrumb span { color: var(--light); }

.product-top {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 32px;
}

.product-gallery {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.gallery-main {
  border: 1px solid var(--light);
}

.gallery-main img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  display: block;
  background: var(--off);
  padding: 16px;
}

.gallery-thumbs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.gallery-thumb {
  width: 64px;
  height: 64px;
  border: 1px solid var(--light);
  background: var(--off);
  padding: 0;
  cursor: pointer;
  flex-shrink: 0;
}

.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  padding: 4px;
}

.gallery-thumb.active {
  border-color: var(--accent);
}

.gallery-thumb:hover:not(.active) {
  border-color: var(--mid);
}

.product-info-col {}

.product-category {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: #e3f0ff;
  padding: 3px 10px;
  margin-bottom: 12px;
}

.product-name {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--black);
  margin-bottom: 8px;
}

.product-price-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 16px 0 24px;
}

.product-price {
  font-size: 30px;
  font-weight: 700;
  color: var(--black);
}

.product-price-old {
  font-size: 18px;
  color: var(--mid);
  text-decoration: line-through;
}

.product-sku {
  font-size: 12px;
  color: var(--mid);
  margin-left: auto;
  background: var(--off);
  padding: 3px 10px;
}

.specs-title {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 10px;
}

.product-specs {}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.specs-table tr { border-bottom: 1px solid var(--light); }
.specs-table tr:first-child { border-top: 1px solid var(--light); }

.specs-table td { padding: 9px 12px; }

.specs-table .spec-label {
  color: var(--mid);
  width: 40%;
  font-weight: 400;
}

.specs-table .spec-value {
  color: var(--black);
  font-weight: 500;
}

.spec-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.spec-list li {
  padding: 2px 8px;
  border-left: 2px solid var(--accent);
  font-size: 0.9rem;
}

.product-dims {
  padding: 28px 0;
  border-top: 1px solid var(--light);
}

.product-dims-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 12px;
}

.product-dims-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.dims-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  white-space: nowrap;
}

.dims-table th {
  background: var(--off);
  border: 1px solid var(--light);
  padding: 6px 12px;
  font-weight: 600;
  text-align: center;
  color: var(--dark);
}

.dims-table td {
  border: 1px solid var(--light);
  padding: 5px 12px;
  text-align: center;
  color: var(--black);
}

.dims-table tbody tr:hover {
  background: var(--off);
}

.product-docs {
  display: flex;
  gap: 12px;
  padding: 28px 0;
  border-top: 1px solid var(--light);
  border-bottom: 1px solid var(--light);
  margin-bottom: 32px;
}

.btn-doc {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border: 1px solid var(--light);
  font-size: 13px;
  font-weight: 500;
  color: var(--dark);
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}

.btn-doc svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--accent);
}

.btn-doc:hover {
  border-color: var(--accent);
  background: #f0f5ff;
}

.product-desc-block {}

.product-desc-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 12px;
}

.product-desc {
  font-size: 14px;
  line-height: 1.8;
  color: #445566;
  max-width: 780px;
}

/* ─── CART ICON ───────────────────────────────────────── */

.toolbar-right-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.cart-icon-btn {
  position: relative;
  display: flex;
  align-items: center;
  color: var(--dark);
  transition: color 0.15s;
}

.cart-icon-btn svg {
  width: 22px;
  height: 22px;
}

.cart-icon-btn:hover { color: var(--accent); }

.cart-badge {
  position: absolute;
  top: -6px;
  right: -8px;
  background: var(--accent);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-link-toolbar {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mid);
  transition: color 0.15s;
}

.back-link-toolbar:hover { color: var(--black); }

/* ─── ADD TO CART ROW ─────────────────────────────────── */

.add-row {
  display: flex;
  gap: 0;
  margin-bottom: 28px;
  align-items: center;
}

.qty-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--light);
}

.qty-btn {
  width: 40px;
  height: 48px;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--black);
  background: none;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
}

.qty-btn:hover { background: var(--off); }

.qty-input {
  width: 48px;
  height: 48px;
  border: none;
  border-left: 1px solid var(--light);
  border-right: 1px solid var(--light);
  text-align: center;
  font-family: 'Roboto', sans-serif;
  font-size: 15px;
  color: var(--black);
  background: none;
  outline: none;
}

.btn-cart {
  flex: 1;
  height: 48px;
  background: var(--accent);
  color: var(--white);
  font-family: 'Roboto', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
  margin-left: 2px;
}

.btn-cart:hover { background: var(--accent-h); }

/* ─── CART PAGE ───────────────────────────────────────── */

.cart-wrap {
  padding: 32px 40px 60px;
  background: var(--off);
  min-height: calc(100vh - 46px);
}

.cart-empty {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 80px 40px;
  background: var(--white);
  text-align: center;
}

.cart-empty svg {
  width: 56px;
  height: 56px;
  color: var(--light);
}

.cart-empty h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--black);
}

.cart-empty p {
  font-size: 14px;
  color: var(--mid);
}

.cart-content {
  grid-template-columns: 1fr 320px;
  gap: 20px;
  align-items: start;
}

.cart-content.visible {
  display: grid;
}

.cart-empty.visible {
  display: flex;
}

.cart-main {
  background: var(--white);
}

.cart-head {
  display: grid;
  grid-template-columns: 1fr 100px 140px 100px 40px;
  padding: 12px 20px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
  border-bottom: 1px solid var(--light);
}

.cart-item {
  display: grid;
  grid-template-columns: 1fr 100px 140px 100px 40px;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--off);
}

.ci-product {
  display: flex;
  align-items: center;
  gap: 14px;
}

.ci-product img {
  width: 60px;
  height: 60px;
  object-fit: cover;
  background: var(--off);
  flex-shrink: 0;
}

.ci-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--black);
  line-height: 1.3;
}

.ci-sku {
  font-size: 11px;
  color: var(--mid);
  margin-top: 3px;
}

.ci-price, .ci-subtotal {
  font-size: 14px;
  font-weight: 500;
  color: var(--black);
}

.ci-qty {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--light);
  width: fit-content;
}

.ci-qty .qty-btn {
  width: 32px;
  height: 32px;
  font-size: 16px;
}

.qty-val {
  width: 36px;
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  border-left: 1px solid var(--light);
  border-right: 1px solid var(--light);
  height: 32px;
  line-height: 32px;
}

.ci-remove {
  font-size: 20px;
  color: var(--mid);
  cursor: pointer;
  background: none;
  border: none;
  line-height: 1;
  transition: color 0.15s;
  padding: 4px 8px;
}

.ci-remove:hover { color: #c62828; }

.cart-summary {
  background: var(--white);
  padding: 24px;
}

.cart-summary h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 20px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 14px;
  color: var(--black);
  margin-bottom: 12px;
}

.summary-note {
  font-size: 12px;
  color: var(--mid);
}

.summary-divider {
  border-top: 1px solid var(--light);
  margin: 16px 0;
}

.summary-total {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
}

.btn-checkout {
  display: block;
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: var(--white);
  font-family: 'Roboto', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-checkout:hover { background: var(--accent-h); }

/* ─── LOADING ─────────────────────────────────────────── */

.loading-row {
  padding: 60px;
  text-align: center;
  font-size: 13px;
  color: var(--mid);
  background: var(--white);
}

/* ─── RESPONSIVE ──────────────────────────────────────── */

@media (max-width: 900px) {
  .burger { display: flex; }

  .site-nav {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--dark);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
    z-index: 199;
  }

  .site-nav.open { display: flex; }

  .site-nav .nav-link {
    font-size: 18px;
    letter-spacing: 0.15em;
  }

  .hero { padding: 52px 24px 60px; }
  .hero-title { font-size: 28px; }
  .hero-deco { display: none; }

  .about { padding: 40px 24px; }
  .about-quote { font-size: 14px; }

  .conditions { padding: 40px 24px; }
  .conditions-grid { grid-template-columns: 1fr; }
  .condition-item { border-right: none; border-bottom: 1px solid var(--light); }
  .condition-item:last-child { border-bottom: none; }

  .steps { padding: 40px 24px 48px; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .step { padding: 20px 16px; }

  .catalog-head { padding: 40px 24px 28px; }
  .catalog-wrap { padding: 0 24px 40px; }

  .product-card { grid-template-columns: 100px 1fr auto; min-height: 100px; }
  .card-img { width: 100px; height: 100px; }
  .card-img img { width: 100px; height: 100px; }

  .product-page { padding: 20px; }
  .product-top { grid-template-columns: 1fr; gap: 24px; }
  .product-docs { flex-direction: column; }
  .product-name { font-size: 22px; }
}

@media (max-width: 600px) {
  .hero-title { font-size: 22px; }
  .hero-cta { flex-direction: column; align-items: flex-start; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }

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

  .filter-btn { padding: 0 10px; font-size: 12px; }
  .card-footer { min-width: 100px; padding: 12px 14px; }
}