:root {
  --bg: #ffffff;
  --surface: #f8f9fb;
  --surface-strong: #f1f3f6;
  --text: #2d2f33;
  --muted: #666b73;
  --accent: #f5d77f;
  --accent-hover: #eec75b;
  --border: #e3e7ec;
  --focus: #4c87ff;
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.3rem;
  --shadow-sm: 0 10px 28px rgba(17, 24, 39, 0.07);
  --shadow-md: 0 18px 48px rgba(17, 24, 39, 0.1);
  --container: 1200px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 7.5rem;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "IBM Plex Sans", "Avenir Next", "Segoe UI", sans-serif;
  line-height: 1.6;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 var(--space-3);
  font-family: "Manrope", "IBM Plex Sans", sans-serif;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
}

h2 {
  font-size: clamp(1.5rem, 3.6vw, 2.2rem);
}

h3 {
  font-size: clamp(1.2rem, 2.8vw, 1.45rem);
}

p {
  margin: 0 0 var(--space-4);
}

a {
  color: inherit;
}

a:hover {
  text-decoration: none;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #111;
  color: #fff;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
  z-index: 1000;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}

.section {
  padding-block: clamp(var(--space-7), 7vw, var(--space-9));
}

.section--tight {
  padding-block: var(--space-6);
}

.section--soft {
  background: var(--surface);
}

.eyebrow {
  margin-bottom: var(--space-3);
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.section-head {
  margin-bottom: clamp(var(--space-5), 3.4vw, var(--space-7));
  max-width: 70ch;
}

.section-head > :last-child {
  margin-bottom: 0;
}

.section-head p,
.lead {
  color: var(--muted);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: 1px solid transparent;
  border-radius: 999px;
  min-height: 3rem;
  padding: 0.75rem 1.25rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.button--primary {
  background: var(--accent);
  color: #222;
}

.button--primary:hover,
.button--primary:focus-visible {
  background: var(--accent-hover);
}

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

.button--secondary:hover,
.button--secondary:focus-visible {
  border-color: #c9ccd1;
}

.button--small {
  min-height: 2.35rem;
  padding: 0.55rem 0.9rem;
  font-size: 0.92rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
}

.site-header__inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: var(--space-3);
  min-height: 76px;
}

.brand {
  text-decoration: none;
  display: grid;
  gap: 0.1rem;
}

.brand__logo {
  display: block;
  width: auto;
  height: 2.9rem;
  max-width: min(48vw, 200px);
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
}

.brand__tagline {
  font-size: 0.8rem;
  color: var(--muted);
}

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.menu-toggle {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
  font: inherit;
}

.header-cta {
  display: none;
}

.site-nav {
  position: absolute;
  left: 0;
  right: 0;
  top: 76px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  display: none;
  padding: var(--space-4);
}

.site-nav.is-open {
  display: block;
}

.site-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-3);
}

.site-nav a {
  text-decoration: none;
  font-weight: 600;
}

.hero {
  padding-top: clamp(var(--space-8), 8vw, var(--space-10));
}

.hero-grid {
  display: grid;
  gap: var(--space-5);
  align-items: center;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero-visual {
  min-height: 280px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 20% 20%, #fff5d6 0%, transparent 44%),
    radial-gradient(circle at 80% 75%, #fdf0c5 0%, transparent 40%),
    linear-gradient(140deg, #ffffff 0%, #f7f7f7 100%);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.hero-visual::after {
  content: "B2B";
  position: absolute;
  right: var(--space-4);
  bottom: var(--space-4);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--border);
}

.grid-3,
.grid-4,
.product-grid,
.post-grid,
.spec-grid,
.partner-steps,
.contacts-grid,
.stats-grid {
  display: grid;
  gap: var(--space-4);
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: clamp(var(--space-4), 2.4vw, var(--space-5));
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card--soft {
  background: var(--surface);
}

.card h3,
.card h2,
.card h4 {
  margin-bottom: var(--space-2);
}

.card p:last-child {
  margin-bottom: 0;
}

.category-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 220px;
}

.category-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: var(--space-3);
  font-weight: 600;
  color: #2f3540;
  text-decoration: none;
}

.category-card__link::after {
  content: "→";
  font-size: 1rem;
}

.category-card:hover,
.category-card:focus-within {
  border-color: #d7dce2;
  transform: translateY(-2px);
}

.product-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.product-card__link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.product-card:hover,
.product-card:focus-within {
  border-color: #d7dce2;
  transform: translateY(-2px);
}

.product-card__image {
  aspect-ratio: 4 / 3;
  background: var(--surface-strong);
}

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

.product-card__placeholder {
  height: 100%;
  background: linear-gradient(145deg, #f8f8f8, #efefef);
}

.product-card__content {
  padding: var(--space-4);
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.6rem;
  font-size: 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--muted);
}

.filter-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-sm);
  padding: clamp(var(--space-4), 3vw, var(--space-6));
  margin-bottom: clamp(var(--space-5), 4vw, var(--space-7));
}

.filter-grid {
  display: grid;
  gap: var(--space-4);
}

.field {
  display: grid;
  gap: var(--space-1);
}

.field label {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--muted);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 3.15rem;
  border: 1px solid #cfd5dd;
  border-radius: 0.7rem;
  padding: 0.6rem 0.85rem;
  font: inherit;
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: #b8c2ce;
  box-shadow: 0 0 0 4px rgba(245, 215, 127, 0.28);
  outline: none;
}

.field textarea {
  min-height: 140px;
}

.filter-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.link-muted {
  color: var(--muted);
}

.breadcrumbs {
  margin-bottom: clamp(var(--space-4), 2.4vw, var(--space-5));
  font-size: 0.95rem;
  line-height: 1.35;
}

.breadcrumbs__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.42rem 0.28rem;
}

.breadcrumbs__item {
  display: inline-flex;
  align-items: center;
  color: var(--muted);
}

.breadcrumbs__item a {
  display: inline-flex;
  align-items: center;
  min-height: 1.85rem;
  padding: 0.18rem 0.5rem;
  margin-inline: -0.2rem;
  border-radius: 0.42rem;
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.breadcrumbs__item a:hover {
  color: #2c323d;
  background: #f2f4f7;
}

.breadcrumbs__item a:focus-visible {
  outline: 2px solid #c9d6ea;
  outline-offset: 1px;
  background: #edf3fb;
}

.breadcrumbs__item:not(:last-child)::after {
  content: "›";
  color: #a5acb6;
  margin-left: 0.16rem;
  margin-right: 0.12rem;
}

.breadcrumbs__item [aria-current="page"] {
  display: inline-flex;
  align-items: center;
  min-height: 1.85rem;
  padding: 0.18rem 0.32rem;
  color: #2f3540;
  font-weight: 600;
}

.product-single {
  display: grid;
  gap: clamp(var(--space-5), 4vw, var(--space-7));
}

.product-single__gallery {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.product-single__placeholder {
  min-height: 320px;
}

.product-single__body {
  margin-top: var(--space-6);
}

.product-single__body p {
  color: #444;
}

.product-specs {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: clamp(var(--space-4), 2.8vw, var(--space-6));
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.spec-list {
  margin: 0 0 var(--space-5);
  display: grid;
  gap: var(--space-3);
}

.spec-list__row {
  display: grid;
  grid-template-columns: minmax(100px, 132px) 1fr;
  gap: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px dashed #d9dee5;
}

.spec-list dt {
  font-weight: 700;
}

.spec-list dd {
  margin: 0;
  color: #353a42;
}

.product-specs__material {
  margin: 0 0 var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: 0.8rem;
  background: #f8fafc;
  border: 1px solid #e4e8ee;
}

.product-specs__actions {
  margin-top: var(--space-4);
}

.cta-band {
  background: #111319;
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: grid;
  gap: var(--space-4);
}

.cta-band .button--primary {
  justify-self: start;
}

.page-rich-text {
  margin-top: var(--space-5);
  padding: clamp(var(--space-5), 3.2vw, var(--space-7));
}

.page-rich-text > :last-child {
  margin-bottom: 0;
}

.partner-steps--ui {
  margin-top: var(--space-4);
}

.partner-card {
  position: relative;
  padding-top: 3.25rem;
}

.partner-card h2,
.about-card h2 {
  text-wrap: balance;
}

.partner-card__step {
  position: absolute;
  top: 1.15rem;
  left: 1.2rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  font-weight: 700;
  text-transform: uppercase;
  color: #515761;
  background: #fff4cf;
  border: 1px solid #f0d686;
  border-radius: 999px;
  padding: 0.2rem 0.5rem;
}

.partner-cta {
  margin-top: var(--space-5);
}

.partner-cta__list {
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-2);
}

.partner-cta__list li {
  position: relative;
  padding-left: 1.05rem;
  color: rgba(255, 255, 255, 0.88);
}

.partner-cta__list li::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--accent);
  position: absolute;
  left: 0;
  top: 0.52rem;
}

.about-grid {
  margin-top: var(--space-4);
}

.about-card {
  position: relative;
  padding-top: calc(var(--space-5) + 0.65rem);
}

.about-card__accent {
  position: absolute;
  left: var(--space-5);
  top: var(--space-4);
  width: 68px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), #ffeab1);
}

.about-story {
  border-color: #dfe4ea;
  background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
}

.site-footer {
  margin-top: var(--space-8);
  border-top: 1px solid var(--border);
  background: #fff;
}

.site-footer__grid {
  padding-block: var(--space-7);
  display: grid;
  gap: var(--space-5);
}

.site-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-2);
}

.footer-list {
  color: var(--muted);
}

.footer-title {
  margin-bottom: var(--space-3);
  font-size: 1rem;
}

.site-footer__bottom {
  border-top: 1px solid var(--border);
  padding-block: var(--space-4);
  color: var(--muted);
  font-size: 0.9rem;
}

.post-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
  padding: var(--space-4);
}

.post-card h2,
.post-card h3 {
  margin-bottom: var(--space-3);
}

.post-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.pagination {
  margin-top: var(--space-5);
}

.page-numbers {
  display: inline-flex;
  min-width: 2rem;
  min-height: 2rem;
  justify-content: center;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--border);
  margin-right: var(--space-2);
  text-decoration: none;
}

.page-numbers.current {
  background: var(--accent);
  border-color: var(--accent);
}

.not-found {
  text-align: center;
  max-width: 60ch;
  margin-inline: auto;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

@media (min-width: 720px) {
  .filter-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-4,
  .product-grid,
  .post-grid,
  .spec-grid,
  .partner-steps,
  .contacts-grid,
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }

  .brand__logo {
    height: 3.2rem;
    max-width: 220px;
  }

  .site-nav {
    position: static;
    display: block;
    border: 0;
    padding: 0;
    background: transparent;
  }

  .site-nav ul {
    display: flex;
    gap: var(--space-4);
    align-items: center;
  }

  .header-cta {
    display: inline-flex;
    background: var(--accent);
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  }

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

  .grid-4,
  .product-grid,
  .post-grid,
  .partner-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .filter-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .filter-actions .button {
    min-width: 185px;
  }

  .product-single {
    grid-template-columns: minmax(0, 1.45fr) minmax(320px, 1fr);
    align-items: start;
  }

  .product-specs {
    position: sticky;
    top: 98px;
  }

  .partner-cta {
    grid-template-columns: 1fr auto;
    align-items: end;
  }

  .partner-cta__action {
    align-self: center;
  }

  .site-footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}