:root {
  --blue: #003f88;
  --blue-dark: #002d63;
  --ink: #151515;
  --muted: #4c5863;
  --line: #d7d7d7;
  --soft: #f7f7f7;
  --white: #fff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

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

.pc-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 82px;
  padding: 0 28px;
  background: var(--white);
  border-bottom: 1px solid #e9e9e9;
}

.pc-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 142px;
  color: var(--blue);
}

.pc-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 2px solid var(--blue);
  border-radius: 9px;
  font-weight: 800;
}

.pc-logo strong {
  display: block;
  font-size: 30px;
  line-height: 0.9;
}

.pc-logo small {
  display: block;
  color: #5a6f86;
  font-size: 12px;
}

.pc-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
  justify-content: center;
  font-size: 20px;
}

.quote-button,
.blue-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 20px;
  color: var(--white);
  background: var(--blue);
  border-radius: 5px;
  font-weight: 700;
}

.search-button {
  color: var(--blue-dark);
  font-size: 30px;
  line-height: 1;
}

.language-select {
  min-width: 106px;
  padding: 12px 16px;
  border: 1px solid #e5e5e5;
  border-radius: 5px;
  text-align: center;
}

.home-hero {
  min-height: 440px;
  display: grid;
  align-items: end;
  background: #fff;
}

.hero-photo {
  max-width: 1080px;
  width: calc(100% - 80px);
  margin: 84px auto 0;
}

.hero-photo img {
  width: 100%;
  max-height: 430px;
  object-fit: cover;
  object-position: center;
  display: block;
}

.intro-block,
.content-section {
  padding: 48px 0;
  max-width: 1420px;
  margin: 0 auto;
}

.intro-block > p {
  max-width: 1380px;
  margin: 0;
  font-size: 19px;
}

.section-title {
  margin-bottom: 24px;
}

.section-title h2 {
  margin: 0;
  color: var(--blue);
  font-size: 34px;
  line-height: 1.15;
}

.section-title span {
  display: block;
  width: 50px;
  height: 8px;
  margin-top: 18px;
  background: linear-gradient(135deg, var(--blue) 0 70%, transparent 70% 100%);
}

.home-category-grid {
  max-width: 1420px;
  margin: 0 auto 92px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
}

.home-category-card {
  min-height: 338px;
  padding: 28px 16px;
  text-align: center;
  background: var(--soft);
}

.home-category-card h3 {
  margin: 0 0 24px;
  color: var(--blue);
  font-size: 28px;
  line-height: 1.2;
}

.home-category-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background: #fff;
  border: 1px solid #ebebeb;
}

.home-category-card .blue-button {
  margin-top: 20px;
}

.quality-band {
  min-height: 360px;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  align-items: center;
  gap: 50px;
  padding: 58px 19vw;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(0, 63, 136, 0.78), rgba(0, 63, 136, 0.38)),
    url('/assets/hero-kitchenware.png') center/cover;
}

.quality-band p,
.quality-band h2 {
  margin: 0;
  font-size: 34px;
}

.quality-band span {
  display: block;
  width: 44px;
  height: 2px;
  margin: 28px 0 42px;
  background: #fff;
}

.quality-band ul {
  margin: 0;
  padding: 0;
  list-style: none;
  color: #fff;
  font-size: 20px;
}

.quality-band li + li {
  margin-top: 10px;
}

.category-hero {
  min-height: 424px;
  display: grid;
  align-content: center;
  justify-items: center;
  padding: 42px 5vw;
  color: #fff;
  text-align: center;
  background:
    linear-gradient(rgba(55, 55, 55, 0.54), rgba(55, 55, 55, 0.54)),
    url('/assets/hero-kitchenware.png') center/cover;
}

.category-hero h1 {
  margin: 0 0 22px;
  font-size: 38px;
  line-height: 1.2;
}

.category-hero p {
  max-width: 1320px;
  margin: 0 0 26px;
  font-size: 18px;
  font-weight: 700;
}

.catalog-shell {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 40px;
  padding: 50px 0;
}

.catalog-sidebar {
  align-self: start;
}

.search-input {
  width: 100%;
  height: 44px;
  padding: 0 12px;
  border: 1px solid #aaa;
  font: inherit;
}

.catalog-sidebar h2 {
  margin: 24px 0 20px;
  color: var(--blue);
  font-size: 30px;
}

.category-tree,
.category-tree ul {
  margin: 0;
  padding-left: 20px;
}

.category-tree li {
  margin: 8px 0;
}

.category-tree ul li {
  list-style-type: square;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
}

.product-grid.wide {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.pc-product-card {
  min-height: 430px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 0 16px 20px;
}

.product-image-box {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 230px;
  margin: 0 -16px 24px;
  background: #fff;
  border-bottom: 1px solid #eee;
}

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

.pc-product-card h3 {
  margin: 0 0 34px;
  color: var(--blue);
  font-size: 20px;
  line-height: 1.35;
  font-weight: 500;
}

.read-more {
  color: #27473e;
  font-weight: 700;
}

.breadcrumb {
  max-width: 1440px;
  margin: 24px auto 0;
  font-size: 16px;
}

.pc-product-detail {
  max-width: 1440px;
  margin: 20px auto 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(480px, 0.95fr);
  gap: 40px;
}

.main-product-image {
  width: 100%;
  height: 560px;
  object-fit: cover;
  display: block;
}

.thumb-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.thumb-row img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  opacity: 0.58;
}

.product-copy h1 {
  margin: 0 0 18px;
  color: var(--blue);
  font-size: 34px;
  line-height: 1.25;
}

.product-copy h2 {
  margin: 28px 0 8px;
  color: var(--blue);
  font-size: 28px;
}

.product-copy p {
  margin: 0 0 18px;
  font-size: 18px;
}

.certificate-placeholder {
  min-height: 150px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}

.certificate-placeholder span {
  min-width: 110px;
  padding: 28px 18px;
  color: var(--blue);
  border: 2px solid var(--blue);
  border-radius: 4px;
  font-size: 24px;
  font-weight: 800;
  text-align: center;
}

.description-columns,
.contact-shell {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 54px;
}

.description-columns h3 {
  margin: 0 0 20px;
  color: var(--blue);
  font-size: 26px;
}

.contact-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 60px 0;
}

.quote-form {
  display: grid;
  gap: 14px;
  padding: 26px;
  border: 1px solid var(--line);
}

.quote-form label {
  display: grid;
  gap: 6px;
  font-weight: 700;
}

.quote-form input,
.quote-form textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line);
  font: inherit;
}

.quote-form textarea {
  min-height: 140px;
}

.floating-tools {
  position: fixed;
  right: 30px;
  bottom: 42px;
  z-index: 40;
  display: grid;
  gap: 4px;
}

.floating-tools a {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  color: #fff;
  background: var(--blue);
  border-radius: 5px;
  font-size: 22px;
}

.pc-footer {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 30px;
  margin-top: 40px;
  padding: 44px 5vw;
  color: #dbe8f4;
  background: var(--blue-dark);
}

@media (max-width: 980px) {
  .pc-header,
  .pc-nav {
    gap: 14px;
  }

  .pc-nav {
    justify-content: start;
    overflow-x: auto;
    font-size: 16px;
  }

  .home-category-grid,
  .product-grid,
  .product-grid.wide,
  .catalog-shell,
  .quality-band,
  .pc-product-detail,
  .description-columns,
  .contact-shell,
  .pc-footer {
    grid-template-columns: 1fr;
  }

  .catalog-shell,
  .intro-block,
  .content-section,
  .breadcrumb,
  .pc-product-detail,
  .contact-shell {
    width: calc(100% - 32px);
  }

  .language-select,
  .search-button {
    display: none;
  }
}