.inner-hero {
  padding: 100px 0 80px;
  background: linear-gradient(135deg, var(--navy), #173a5e);
  color: #fff;
}
.inner-hero span,
.about-hero span {
  font-size: 11px;
  letter-spacing: 2px;
  color: #86b7d3;
}
.inner-hero h1,
.about-hero h1 {
  font-size: 54px;
  margin: 12px 0;
}
.inner-hero p {
  max-width: 690px;
  color: #b6c5d0;
}
.catalog-section {
  padding: 70px 0 110px;
}
.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.filter-bar button {
  border: 1px solid var(--line);
  background: #fff;
  padding: 9px 16px;
  border-radius: 30px;
  cursor: pointer;
}
.filter-bar button.active {
  background: var(--burgundy);
  border-color: var(--burgundy);
  color: #fff;
}
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.catalog-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  transition: 0.3s;
}
.catalog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}
.catalog-image {
  height: 245px;
  background: #eef2f4;
  position: relative;
}
.catalog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.catalog-image span {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--navy);
  color: #fff;
  font-size: 10px;
  padding: 5px 10px;
  border-radius: 3px;
}
.catalog-card > div:last-child {
  padding: 22px;
}
.catalog-card small {
  color: var(--flow);
  font-size: 9px;
}
.catalog-card h2 {
  font-size: 21px;
  margin: 5px 0;
}
.catalog-card p {
  font-size: 12px;
  color: #71808e;
  min-height: 72px;
}
.catalog-card b {
  color: var(--burgundy);
  font-size: 12px;
}
.product-hero {
  background: #f3f7f9;
  padding: 65px 0;
}
.product-hero-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 60px;
}
.product-intro > a:first-child {
  font-size: 11px;
  color: var(--steel);
}
.product-intro > span {
  display: block;
  color: var(--flow);
  font-size: 11px;
  margin-top: 45px;
}
.product-intro h1 {
  font-size: 55px;
  margin: 8px 0 20px;
}
.product-intro p {
  color: #647584;
}
.product-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 26px;
}
.product-visual {
  height: 570px;
  background: #fff;
  border-radius: 18px;
  position: relative;
  overflow: hidden;
}
.product-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.product-visual i {
  position: absolute;
  left: 20px;
  bottom: 15px;
  font-style: normal;
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--steel);
}
.product-content {
  padding: 100px 0;
}
.product-content-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 90px;
}
.product-content h2 {
  font-size: 31px;
  margin: 10px 0 20px;
}
.product-content p {
  color: #657684;
  margin-bottom: 55px;
}
.benefit-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  list-style: none;
  padding: 0;
}
.benefit-list li {
  padding: 14px 38px 14px 14px;
  background: #f4f7f9;
  position: relative;
}
.benefit-list li:before {
  content: "✓";
  position: absolute;
  right: 13px;
  color: var(--burgundy);
}
.product-content aside {
  background: var(--navy);
  color: #fff;
  padding: 45px;
  border-radius: 18px;
  align-self: start;
  position: sticky;
  top: 110px;
}
.product-content aside > span {
  font-size: 10px;
  letter-spacing: 2px;
  color: #78a9c6;
}
.product-content dl {
  margin: 25px 0;
}
.product-content dl div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 14px 0;
}
.product-content dt {
  color: #98adbc;
  font-size: 12px;
}
.product-content dd {
  margin: 0;
  text-align: left;
  font-size: 13px;
}
.product-content aside small {
  color: #8198a9;
}
.product-anatomy {
  padding: 95px 0;
  background: #f3f7f9;
}
.product-anatomy .section-head {
  margin-bottom: 38px;
}
.anatomy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.anatomy-grid article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}
.anatomy-image {
  height: 430px;
  padding: 24px;
  background: linear-gradient(145deg, #071727, #102c44);
}
.anatomy-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.anatomy-grid article > div:last-child {
  padding: 26px 30px 32px;
}
.anatomy-grid h3 {
  margin: 0 0 8px;
  font-size: 22px;
}
.anatomy-grid p {
  margin: 0;
  color: #657684;
  font-size: 13px;
}
.filter-process {
  padding: 100px 0;
  background: var(--navy);
  color: #fff;
}
.filter-process .section-head {
  margin-bottom: 36px;
}
.filter-process .section-head h2 {
  color: #fff;
}
.filter-process .section-head p {
  color: #91a6b7;
}
.overall-flow {
  margin: 0 0 24px;
  min-height: 560px;
  background: #050d15;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  padding: 24px;
  position: relative;
}
.overall-flow img {
  width: 100%;
  height: 540px;
  object-fit: contain;
}
.overall-flow figcaption {
  position: absolute;
  right: 26px;
  bottom: 22px;
  background: rgba(154, 27, 34, 0.92);
  border-radius: 4px;
  padding: 8px 13px;
  font-size: 11px;
}
.process-steps {
  display: grid;
  gap: 18px;
}
.process-steps article {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  min-height: 390px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  background: #0a2135;
}
.process-steps article:nth-child(even) .process-step-copy {
  order: 2;
}
.process-step-copy {
  padding: 48px;
  align-self: center;
}
.process-step-copy > span {
  display: block;
  color: #55c8ff;
  font: 800 14px/1 sans-serif;
  letter-spacing: 2px;
  margin-bottom: 22px;
}
.process-step-copy h3 {
  font-size: 27px;
  margin: 0 0 12px;
}
.process-step-copy p {
  color: #a9bbc8;
  font-size: 14px;
}
.process-step-image {
  background: #02070b;
  min-height: 390px;
}
.process-step-image img {
  width: 100%;
  height: 100%;
  max-height: 480px;
  object-fit: contain;
}
.related {
  padding: 80px 0;
  background: #f2f6f8;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.related-grid a {
  background: #fff;
  padding: 16px;
  display: grid;
  grid-template-columns: 85px 1fr;
  align-items: center;
  gap: 15px;
}
.related-grid img {
  width: 85px;
  height: 70px;
  object-fit: cover;
  grid-row: span 2;
}
.related-grid span {
  font-size: 11px;
  color: var(--burgundy);
}
.about-hero {
  background: var(--navy);
  color: #fff;
}
.about-hero-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  align-items: center;
  min-height: 560px;
}
.about-hero img {
  width: 100%;
  height: 560px;
  object-fit: cover;
}
.about-hero p {
  color: #aebfcb;
}
.about-story {
  padding: 110px 0;
}
.story-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 100px;
}
.story-grid h2 {
  font-size: 38px;
}
.story-text p {
  color: #536675;
  margin: 0 0 24px;
}
.about-values {
  padding: 80px 0;
  background: #f2f6f8;
}
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
}
.value-grid article {
  background: #fff;
  border-top: 3px solid var(--burgundy);
  padding: 28px;
}
.value-grid b {
  font-size: 18px;
}
.value-grid p {
  font-size: 12px;
  color: #71808e;
}
@media (max-width: 900px) {
  .catalog-grid {
    grid-template-columns: 1fr 1fr;
  }
  .product-hero-grid,
  .product-content-grid,
  .anatomy-grid,
  .about-hero-grid,
  .story-grid {
    grid-template-columns: 1fr;
  }
  .product-visual {
    height: 450px;
  }
  .process-steps article {
    grid-template-columns: 1fr;
  }
  .process-steps article:nth-child(even) .process-step-copy {
    order: 0;
  }
  .story-grid {
    gap: 30px;
  }
  .value-grid {
    grid-template-columns: 1fr 1fr;
  }
  .about-hero-grid {
    padding-top: 60px;
  }
  .about-hero img {
    height: 400px;
  }
}
@media (max-width: 600px) {
  .inner-hero h1,
  .about-hero h1,
  .product-intro h1 {
    font-size: 38px;
  }
  .catalog-grid {
    grid-template-columns: 1fr;
  }
  .product-visual {
    height: 350px;
  }
  .product-anatomy,
  .filter-process {
    padding: 70px 0;
  }
  .anatomy-image {
    height: 330px;
  }
  .overall-flow {
    min-height: 400px;
    padding: 10px;
  }
  .overall-flow img {
    height: 390px;
  }
  .overall-flow figcaption {
    right: 16px;
    bottom: 14px;
  }
  .process-step-copy {
    padding: 30px 24px;
  }
  .process-step-image {
    min-height: 300px;
  }
  .benefit-list {
    grid-template-columns: 1fr;
  }
  .product-content-grid {
    gap: 40px;
  }
  .product-content aside {
    position: static;
    padding: 28px;
  }
  .related-grid,
  .value-grid {
    grid-template-columns: 1fr;
  }
  .about-hero img {
    height: 300px;
  }
}