:root {
  --bg: #dfe8f2;
  --bg-soft: #f2f7fb;
  --panel: rgba(255, 255, 255, 0.84);
  --panel-strong: rgba(255, 255, 255, 0.96);
  --text: #203245;
  --muted: #61778e;
  --line: rgba(72, 102, 132, 0.18);
  --brand: #4e79a6;
  --brand-deep: #2f4d6c;
  --accent: #3d648c;
  --gold: #9db7cf;
  --shadow: 0 22px 48px rgba(33, 56, 82, 0.1);
  --radius: 28px;
  --radius-sm: 18px;
  --container: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Segoe UI", "Trebuchet MS", Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(78, 121, 166, 0.12), transparent 24%),
    linear-gradient(180deg, #edf4fa 0%, #dfe8f2 46%, #d3e0ec 100%);
  min-height: 100vh;
}

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

p,
li {
  line-height: 1.7;
}

h1,
h2,
h3,
strong {
  font-family: Georgia, "Times New Roman", serif;
}

.site-shell {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.topbar,
.footer,
.feature-card,
.catalog-card,
.product-card,
.contact-card,
.premium-band,
.composition-panel,
.intro-cell {
  backdrop-filter: blur(10px);
}

.topbar {
  position: sticky;
  top: 18px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(247, 251, 255, 0.86);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--brand), var(--brand-deep));
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.92rem;
  color: var(--muted);
}

.brand-copy strong {
  color: var(--text);
  font-size: 1.04rem;
}

.main-nav {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: end;
  gap: 14px;
}

.main-nav a {
  white-space: nowrap;
}

.main-nav a:not(.button) {
  color: var(--muted);
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--text);
}

.nav-toggle {
  display: none;
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  background: var(--brand-deep);
  color: #fff;
  font: inherit;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 14px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), #7095bd);
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 12px 24px rgba(51, 36, 27, 0.14);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-small {
  min-width: auto;
  min-height: 42px;
  padding: 10px 14px;
}

.button-ghost {
  border-color: rgba(33, 27, 23, 0.1);
  background: rgba(255, 255, 255, 0.58);
  color: var(--text);
  box-shadow: none;
}

.hero,
.page-hero,
.contact-band,
.split,
.premium-band {
  display: grid;
  gap: 28px;
}

.hero {
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  padding: 78px 0 40px;
}

.hero h1,
.page-hero h1,
.section-heading h2,
.split h2,
.contact-band h2,
.premium-copy h2 {
  margin: 0;
  font-size: clamp(1.9rem, 3.4vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.045em;
}

.hero .lead,
.page-hero p,
.section-heading p,
.contact-band p,
.premium-copy p {
  max-width: 60ch;
  color: var(--muted);
}

.hero-copy,
.premium-copy {
  display: grid;
  gap: 20px;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-actions,
.request-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-composition {
  display: grid;
  gap: 16px;
}

.composition-panel {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.composition-panel span,
.product-tag {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(61, 100, 140, 0.1);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
}

.composition-panel strong {
  display: block;
  margin-top: 14px;
  max-width: 16ch;
  font-size: 1.36rem;
  line-height: 1.18;
}

.composition-main {
  padding: 34px 30px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.8), rgba(234, 242, 249, 0.92)),
    var(--panel);
}

.section,
.page-hero {
  padding: 36px 0;
}

.page-hero {
  padding-top: 72px;
}

.page-hero-premium {
  padding-bottom: 18px;
}

.page-hero-catalog {
  padding-bottom: 10px;
}

.page-hero-company {
  padding-bottom: 12px;
}

.section-heading {
  display: grid;
  gap: 14px;
  margin-bottom: 24px;
}

.section-heading-narrow {
  max-width: 760px;
}

.grid {
  display: grid;
  gap: 18px;
}

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

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

.feature-card,
.catalog-card,
.product-card,
.contact-card,
.intro-cell {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.feature-card,
.catalog-card,
.product-card,
.contact-card,
.intro-cell {
  padding: 24px;
}

.feature-card h3,
.catalog-card h2,
.product-card h3 {
  margin: 12px 0 8px;
  max-width: 20ch;
  font-size: 1.22rem;
  line-height: 1.22;
}

.feature-card p,
.catalog-card p,
.product-card p,
.contact-card p,
.intro-cell p,
.timeline-item p,
.material-item p,
.footer p {
  margin: 0;
  max-width: 58ch;
  color: var(--muted);
}

.feature-card-large {
  min-height: 220px;
}

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

.intro-cell strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1rem;
  line-height: 1.25;
}

.premium-band {
  grid-template-columns: 0.95fr 1.05fr;
  align-items: start;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(235, 243, 250, 0.9)),
    var(--panel);
  box-shadow: var(--shadow);
}

.premium-band-soft {
  background:
    linear-gradient(135deg, rgba(249, 252, 255, 0.9), rgba(232, 241, 248, 0.92)),
    var(--panel);
}

.material-list {
  display: grid;
  gap: 16px;
}

.material-item {
  padding: 18px 20px;
  border-left: 2px solid rgba(78, 121, 166, 0.46);
  background: rgba(255, 255, 255, 0.38);
}

.material-item strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
  line-height: 1.24;
}

.split {
  grid-template-columns: 0.9fr 1.1fr;
  align-items: start;
}

.split-premium {
  grid-template-columns: 0.88fr 1.12fr;
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-light .timeline-item {
  padding: 18px 20px 18px 24px;
  border-left: 2px solid rgba(78, 121, 166, 0.28);
  background: rgba(255, 255, 255, 0.36);
}

.timeline-item strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
  line-height: 1.24;
}

.collection-showcase {
  padding-top: 24px;
}

.product-card-minimal {
  background: rgba(249, 252, 255, 0.9);
}

.catalog-card-premium {
  min-height: 290px;
}

.section-catalog {
  padding-top: 26px;
  padding-bottom: 30px;
}

.section-catalog-band {
  margin-top: 10px;
}

.section-catalog-band-last {
  margin-top: 18px;
}

.hero-home {
  padding-bottom: 28px;
}

.section-home-intro {
  padding-top: 12px;
  padding-bottom: 30px;
}

.section-home-grid {
  padding-top: 24px;
  padding-bottom: 30px;
}

.section-home-band {
  margin-top: 10px;
}

.section-home-split {
  padding-top: 30px;
  padding-bottom: 28px;
}

.section-home-showcase {
  padding-top: 22px;
  padding-bottom: 30px;
}

.section-home-band-last {
  margin-top: 16px;
}

.section-home-band-tight {
  margin-top: 8px;
}

.section-company-split {
  padding-top: 28px;
  padding-bottom: 30px;
}

.section-company-band {
  margin-top: 10px;
}

.section-company-grid {
  padding-top: 30px;
  padding-bottom: 28px;
}

.section-company-band-last {
  margin-top: 16px;
}

.bullet-list {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.bullet-list li + li {
  margin-top: 6px;
}

.contact-band {
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.84), rgba(233, 241, 248, 0.92)),
    var(--panel);
  box-shadow: var(--shadow);
}

.price-band {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 30px 34px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 2px);
  background:
    linear-gradient(135deg, rgba(248, 252, 255, 0.88), rgba(227, 238, 248, 0.92)),
    var(--panel);
  box-shadow: var(--shadow);
}

.price-band-copy {
  display: grid;
  gap: 14px;
}

.price-band-copy p {
  margin: 0;
  max-width: 60ch;
  color: var(--muted);
}

.price-card {
  display: grid;
  gap: 14px;
  min-width: min(100%, 330px);
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-strong);
  justify-items: center;
}

.price-card p {
  margin: 0;
  text-align: center;
  color: var(--muted);
}

.request-band-premium {
  position: relative;
  overflow: hidden;
}

.request-band-premium::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(78, 121, 166, 0.18), transparent 70%);
  pointer-events: none;
}

.contact-card {
  display: grid;
  gap: 12px;
  min-width: min(100%, 340px);
  background: var(--panel-strong);
}

.contact-card-strong {
  border-color: rgba(59, 45, 36, 0.16);
}

.contact-kicker {
  margin: 0 0 2px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-card a {
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.35;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 24px;
  padding: 24px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(247, 251, 255, 0.88);
}

.footer > div:first-child {
  max-width: 520px;
}

.footer-links {
  display: flex;
  flex-wrap: nowrap;
  justify-content: end;
  gap: 16px;
  color: var(--muted);
}




.footer-credit {
  flex: 0 0 100%;
  margin-top: -4px;
  text-align: center;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-credit a {
  font-weight: 700;
}

.footer-credit a:hover,
.footer-credit a:focus-visible {
  color: var(--text);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  justify-content: flex-end;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-legal a:hover,
.footer-legal a:focus-visible {
  color: var(--text);
}

.seo-section {
  padding-top: 26px;
  padding-bottom: 26px;
}

.seo-grid {
  align-items: stretch;
}

.seo-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(249, 252, 255, 0.88);
  box-shadow: var(--shadow);
}

.seo-card h3 {
  margin: 0 0 10px;
  max-width: 22ch;
  font-size: 1.12rem;
  line-height: 1.24;
}

.seo-card p {
  margin: 0;
  max-width: 60ch;
  color: var(--muted);
}

.footer-links a,
.main-nav a:not(.button) {
  line-height: 1.3;
}

@media (max-width: 1024px) {
  .hero,
  .premium-band,
  .split,
  .contact-band,
  .price-band,
  .grid-3,
  .grid-2,
  .intro-strip {
    grid-template-columns: 1fr 1fr;
  }

  .hero,
  .premium-band,
  .split,
  .contact-band,
  .price-band,
  .footer {
    grid-template-columns: 1fr;
  }

  .footer {
    display: grid;
  }

  .footer-links {
    justify-content: start;
  }

  

.footer-legal {
    justify-content: start;
  }
}

@media (max-width: 760px) {
  .site-shell {
    width: min(calc(100% - 20px), var(--container));
    padding-top: 14px;
  }

  .topbar {
    top: 10px;
    flex-wrap: wrap;
    border-radius: 26px;
    padding: 14px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .main-nav {
    display: none;
    width: 100%;
    grid-template-columns: 1fr;
    justify-content: stretch;
    gap: 10px;
    padding-top: 6px;
  }

  .main-nav a {
    width: 100%;
  }

  .main-nav.is-open {
    display: grid;
  }

  .hero,
  .page-hero {
    padding-top: 36px;
  }

  .hero h1,
  .page-hero h1,
  .section-heading h2,
  .split h2,
  .contact-band h2,
  .premium-copy h2 {
    font-size: clamp(1.7rem, 7vw, 2.4rem);
  }

  .feature-card h3,
  .catalog-card h2,
  .product-card h3 {
    max-width: none;
  }

  .page-hero-catalog {
    padding-bottom: 4px;
  }

  .page-hero-company {
    padding-bottom: 6px;
  }

  .section-catalog {
    padding-top: 20px;
    padding-bottom: 24px;
  }

  .section-catalog-band,
  .section-catalog-band-last {
    margin-top: 12px;
  }

  .hero-home {
    padding-bottom: 20px;
  }

  .section-home-intro,
  .section-home-grid,
  .section-home-split,
  .section-home-showcase,
  .section-company-split,
  .section-company-grid {
    padding-top: 20px;
    padding-bottom: 24px;
  }

  .section-home-band,
  .section-home-band-last,
  .section-company-band,
  .section-company-band-last {
    margin-top: 12px;
  }

  .section-home-band-tight {
    margin-top: 10px;
  }

  .grid-3,
  .grid-2,
  .intro-strip,
  .footer-links {
    grid-template-columns: 1fr;
  }

  

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

  .contact-band,
  .premium-band,
  .price-band {
    padding: 22px;
  }

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

.product-page {
  padding: 42px 0 34px;
}

.product-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  color: var(--muted);
  font-weight: 700;
}

.product-breadcrumbs a,
.product-nav a {
  color: var(--accent);
}

.product-detail {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: 30px;
  align-items: start;
}

.product-gallery {
  display: grid;
  gap: 14px;
}

.product-main-image,
.product-thumb {
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(242, 247, 251, 0.78);
}

.product-main-image {
  min-height: 420px;
  padding: 22px;
}

.product-main-image img {
  max-width: 100%;
  max-height: 420px;
  width: auto;
  height: auto;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.product-thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(88px, 1fr));
  gap: 10px;
}

.product-thumb {
  min-height: 88px;
  padding: 8px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.product-thumb:hover,
.product-thumb:focus-visible,
.product-thumb.is-active {
  border-color: rgba(78, 121, 166, 0.55);
  box-shadow: 0 10px 24px rgba(38, 63, 89, 0.12);
}

.product-thumb.is-active {
  transform: translateY(-1px);
}

.product-thumb img {
  max-width: 100%;
  max-height: 86px;
  width: auto;
  height: auto;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.product-info {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel-strong);
  box-shadow: var(--shadow);
  padding: 28px;
}

.product-info h1 {
  margin-bottom: 14px;
}

.product-code {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(78, 121, 166, 0.12);
  color: var(--accent);
  font-weight: 800;
}

.product-category {
  color: var(--muted);
  font-weight: 700;
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0;
}

.product-meta span {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 800;
}

.product-meta .status {
  color: #8f3b28;
  border-color: rgba(143, 59, 40, 0.24);
  background: rgba(143, 59, 40, 0.08);
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.product-nav {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 26px;
}

.product-nav a {
  font-weight: 800;
}

.certificates-page {
  padding: 42px 0 34px;
}

.certificates-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 26px;
}

.certificate-card {
  display: grid;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel-strong);
  box-shadow: var(--shadow);
  padding: 18px;
}

.certificate-card a {
  display: grid;
  place-items: center;
  min-height: 360px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(242, 247, 251, 0.78);
}

.certificate-card img {
  display: block;
  max-width: 100%;
  max-height: 520px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.certificate-card h2 {
  margin: 0;
  font-size: 1.08rem;
}

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

@media (max-width: 860px) {
  .product-detail {
    grid-template-columns: 1fr;
  }

  .product-main-image {
    min-height: 300px;
  }

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