:root {
  --blue: #0051aa;
  --blue-2: #0b7ccf;
  --ink: #1d2733;
  --muted: #627083;
  --line: #d8e4ef;
  --soft: #eef6fb;
  --paper: #ffffff;
  --accent: #d71920;
  --green: #1f8f65;
  --shadow: 0 18px 50px rgba(18, 46, 76, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  background: #f8fbfd;
  line-height: 1.55;
}

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

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 72px;
  padding: 0 42px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 260px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 56px;
  height: 32px;
  color: #fff;
  font-weight: 800;
  letter-spacing: 0;
  background: linear-gradient(135deg, var(--accent) 0 24%, var(--blue) 25% 100%);
  border-radius: 2px;
}

.brand-mark.red {
  background: #d71920;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 15px;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.main-nav {
  display: flex;
  justify-content: center;
  flex: 1;
  gap: 24px;
  color: #304052;
  font-size: 14px;
}

.main-nav a {
  padding: 24px 0;
}

.header-cta,
.button,
.inquiry-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-weight: 700;
  cursor: pointer;
}

.header-cta,
.button.primary,
.inquiry-form button {
  color: #fff;
  background: var(--blue);
}

.button.secondary {
  color: var(--blue);
  background: #fff;
  border-color: #b7cee3;
}

.hero {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(420px, 1.1fr);
  gap: 42px;
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: 64px 6vw 48px;
  background:
    linear-gradient(100deg, rgba(255,255,255,0.98) 0 46%, rgba(236,247,255,0.72) 46% 100%),
    radial-gradient(circle at 85% 12%, rgba(11,124,207,0.16), transparent 34%),
    #f7fbff;
}

.hero .button.secondary {
  background: rgba(255, 255, 255, 0.9);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(44px, 6vw, 76px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.2;
}

.hero-text {
  max-width: 720px;
  color: #435267;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  max-width: 680px;
  margin: 42px 0 0;
}

.hero-metrics div {
  padding: 18px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.hero-metrics dt {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.hero-metrics dd {
  margin: 4px 0 0;
  font-weight: 800;
}

.hero-visual {
  overflow: hidden;
  border: 1px solid #cbdceb;
  border-radius: 8px;
  box-shadow: var(--shadow);
  background: #fff;
}

.hero-visual img {
  width: 100%;
  height: min(68vh, 680px);
  object-fit: contain;
  object-position: center;
  background: #f4f9fd;
}

.intro-band {
  padding: 24px 6vw;
  color: #fff;
  background: linear-gradient(90deg, var(--blue), var(--blue-2));
}

.division-section {
  background: #fff;
}

.division-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.division-card {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 30px;
  color: #fff;
  border-radius: 8px;
}

.division-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
}

.division-card::after {
  content: "";
  position: absolute;
  inset: 0;
}

.division-card.equipment::before {
  background-image: url("./assets/products-clean/steam-engineering-w9160.jpg");
}

.division-card.equipment::after {
  background: linear-gradient(180deg, rgba(0, 49, 105, 0.1), rgba(0, 49, 105, 0.92));
}

.division-card.chemicals::before {
  background-image: url("./assets/chemical-clean/spot-lifter-main.jpg");
}

.division-card.chemicals::after {
  background: linear-gradient(180deg, rgba(128, 0, 10, 0.1), rgba(128, 0, 10, 0.9));
}

.division-card div {
  position: relative;
  z-index: 1;
  max-width: 620px;
}

.division-card .eyebrow,
.division-card h3,
.division-card p {
  color: #fff;
}

.division-card h3 {
  font-size: clamp(26px, 3vw, 38px);
}

.division-card p {
  color: rgba(255, 255, 255, 0.84);
}

.division-card .button.primary {
  margin-top: 10px;
  background: #fff;
  color: var(--blue);
}

.division-card.chemicals .button.primary {
  color: var(--accent);
}

.intro-band p {
  max-width: 1180px;
  margin: 0 auto;
  font-size: 19px;
  font-weight: 700;
}

.section,
.featured-section,
.contact-section,
.why-band {
  padding: 82px 6vw;
}

.section-heading {
  max-width: 850px;
  margin-bottom: 36px;
}

.section-heading p {
  color: var(--muted);
  font-size: 17px;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.category-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 32px rgba(18, 46, 76, 0.08);
}

.category-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  object-position: center;
  background: var(--soft);
}

.category-card div {
  padding: 22px;
}

.category-card span {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--blue);
  font-weight: 800;
}

.category-card p,
.feature-list p,
.split p,
.about p,
.contact-copy p {
  color: var(--muted);
}

.category-card ul {
  margin: 18px 0 0;
  padding-left: 18px;
  color: #314257;
  font-size: 14px;
}

.category-card .text-link {
  margin-top: 18px;
}

.featured-section {
  background: #fff;
}

.chemical-preview {
  background: #fff;
}

.chemical-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.chemical-strip article {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 32px rgba(18, 46, 76, 0.08);
}

.chemical-strip img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  background: #fff;
}

.chemical-strip h3 {
  min-height: 78px;
  margin: 0;
  padding: 22px;
  font-size: 22px;
}

.chemical-note,
.notice-band {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 22px 0 0;
  padding: 16px 18px;
  color: #5a3000;
  background: #fff6e4;
  border: 1px solid #f0c57a;
  border-radius: 6px;
}

.notice-band {
  margin: 0;
  padding: 18px 6vw;
  border-right: 0;
  border-left: 0;
  border-radius: 0;
}

.chemical-hero {
  background:
    linear-gradient(115deg, rgba(255,255,255,0.96), rgba(255,241,241,0.86)),
    #fff8f8;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-list article {
  min-height: 220px;
  padding: 28px;
  color: #fff;
  background:
    linear-gradient(150deg, rgba(0,81,170,0.96), rgba(11,124,207,0.84)),
    #0051aa;
  border-radius: 8px;
}

.feature-list p {
  color: rgba(255, 255, 255, 0.86);
}

.split {
  display: grid;
  grid-template-columns: minmax(340px, 0.8fr) minmax(420px, 1.2fr);
  gap: 44px;
  align-items: center;
}

.split.reverse {
  grid-template-columns: minmax(420px, 1.2fr) minmax(340px, 0.8fr);
}

.split.reverse div {
  order: 2;
}

.split img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.text-link {
  display: inline-flex;
  margin-top: 12px;
  color: var(--blue);
  font-weight: 800;
  border-bottom: 2px solid var(--blue);
}

.why-band {
  display: grid;
  grid-template-columns: minmax(320px, 0.68fr) minmax(520px, 1.32fr);
  gap: 44px;
  color: #fff;
  background: #12324f;
}

.why-band .eyebrow,
.why-band h2 {
  color: #fff;
}

.benefits {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.benefits li {
  padding: 22px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
}

.benefits strong,
.benefits span {
  display: block;
}

.benefits span {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.76);
}

.about {
  background: #fff;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(340px, 0.85fr) minmax(380px, 1.15fr);
  gap: 48px;
  background: var(--soft);
}

.contact-copy dl {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.contact-copy dt {
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
}

.contact-copy dd {
  margin: 2px 0 0;
  font-weight: 800;
}

.inquiry-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.inquiry-form label {
  display: grid;
  gap: 7px;
  color: #314257;
  font-size: 13px;
  font-weight: 800;
}

.inquiry-form label:nth-last-of-type(1),
.inquiry-form button {
  grid-column: 1 / -1;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  color: var(--ink);
  font: inherit;
  border: 1px solid #c8d7e5;
  border-radius: 4px;
  background: #fff;
}

.inquiry-form textarea {
  resize: vertical;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 6vw;
  color: #d7e4f0;
  background: #0c2239;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: #fff;
  font-weight: 800;
}

.page-hero {
  padding: 82px 6vw 54px;
  background:
    linear-gradient(115deg, rgba(255,255,255,0.98), rgba(236,247,255,0.86)),
    #f7fbff;
}

.page-hero.compact {
  min-height: auto;
}

.page-hero h1 {
  max-width: 900px;
  margin-bottom: 18px;
  font-size: clamp(42px, 5vw, 64px);
}

.page-hero p:not(.eyebrow) {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
}

.catalog-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 28px;
  padding: 42px 6vw 82px;
}

.catalog-layout.single {
  grid-template-columns: 1fr;
}

.filter-panel {
  position: sticky;
  top: 96px;
  align-self: start;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.filter-panel h2 {
  margin-bottom: 18px;
  font-size: 22px;
}

.filter-list {
  display: grid;
  gap: 8px;
}

.filter-list a {
  padding: 11px 12px;
  color: #314257;
  border: 1px solid transparent;
  border-radius: 4px;
}

.filter-list a.is-active,
.filter-list a:hover {
  color: var(--blue);
  background: var(--soft);
  border-color: #c8ddec;
}

.catalog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.catalog-toolbar p {
  margin: 0;
  color: var(--muted);
  font-weight: 800;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 32px rgba(18, 46, 76, 0.08);
}

.product-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  object-position: center;
  background: #fff;
}

.product-card div {
  padding: 24px;
}

.product-card h2 {
  margin-bottom: 10px;
  font-size: 24px;
}

.product-card p {
  color: var(--muted);
}

.product-category {
  margin-bottom: 8px;
  color: var(--blue) !important;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.product-card dl {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
}

.product-card dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.product-card dd {
  margin: 2px 0 0;
  color: #2c3d51;
}

.product-hero-detail {
  display: grid;
  grid-template-columns: minmax(360px, 0.8fr) minmax(460px, 1.2fr);
  gap: 42px;
  align-items: center;
  padding: 70px 6vw;
  background:
    linear-gradient(120deg, rgba(255,255,255,0.96) 0 45%, rgba(236,247,255,0.82) 45% 100%),
    #f8fbfd;
}

.product-hero-detail h1 {
  font-size: clamp(40px, 5vw, 64px);
}

.product-hero-detail p:not(.eyebrow) {
  color: var(--muted);
  font-size: 18px;
}

.product-hero-detail img {
  width: 100%;
  max-height: 620px;
  object-fit: contain;
  object-position: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.product-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 42px 6vw 0;
}

.detail-panel {
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.detail-panel h2 {
  font-size: 26px;
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 24px;
  color: #314257;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 9px;
  height: 9px;
  background: var(--green);
  border-radius: 50%;
}

.spec-section {
  background: #fff;
}

.spec-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.spec-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: #fff;
}

.spec-table th,
.spec-table td {
  padding: 15px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.spec-table th {
  width: 210px;
  color: #20324a;
  background: #eef6fb;
}

.spec-table tr:last-child th,
.spec-table tr:last-child td {
  border-bottom: 0;
}

.related-section {
  padding: 0 6vw 82px;
  background: #fff;
}

.compact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 1100px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
    padding: 16px 24px;
  }

  .main-nav {
    order: 3;
    justify-content: flex-start;
    width: 100%;
    overflow-x: auto;
  }

  .main-nav a {
    padding: 4px 0;
  }

  .hero,
  .split,
  .split.reverse,
  .why-band,
  .contact-section,
  .catalog-layout,
  .product-hero-detail {
    grid-template-columns: 1fr;
  }

  .filter-panel {
    position: static;
  }

  .split.reverse div {
    order: 0;
  }

  .category-grid,
  .feature-list,
  .division-grid,
  .chemical-strip,
  .product-grid,
  .compact-grid,
  .product-detail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .site-header {
    position: static;
  }

  .brand {
    min-width: 0;
  }

  .main-nav {
    flex-wrap: wrap;
    gap: 12px 18px;
    overflow-x: visible;
  }

  .header-cta {
    width: 100%;
  }

  .hero {
    min-height: auto;
    padding-top: 46px;
  }

  h1 {
    font-size: 44px;
  }

  .hero-metrics,
  .category-grid,
  .feature-list,
  .division-grid,
  .chemical-strip,
  .benefits,
  .inquiry-form,
  .product-grid,
  .compact-grid,
  .product-detail-grid {
    grid-template-columns: 1fr;
  }

  .section,
  .featured-section,
  .contact-section,
  .why-band,
  .catalog-layout,
  .product-hero-detail,
  .product-detail-grid,
  .related-section {
    padding: 58px 22px;
  }

  .page-hero {
    padding: 48px 22px 34px;
  }

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