:root {
  --ink: #123141;
  --ink-2: #274758;
  --muted: #64747b;
  --sea: #0b7f7b;
  --sea-dark: #075f5c;
  --soft: #f6f8f6;
  --paper: #ffffff;
  --line: #d9e3e1;
  --line-strong: #c7d5d2;
  --aqua: #e9f4f2;
  --gold: #b47a33;
  --shadow: 0 18px 48px rgba(18, 49, 65, .08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: inherit;
}

button,
textarea,
select {
  box-sizing: border-box;
  font: inherit;
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

.skip-link {
  position: absolute;
  top: -60px;
  left: 18px;
  z-index: 40;
  padding: 10px 14px;
  color: #fff;
  background: var(--ink);
  border-radius: 4px;
}

.skip-link:focus {
  top: 18px;
}

.container {
  width: calc(100% - 48px);
  max-width: 1160px;
  margin: 0 auto;
}

.utility-bar {
  color: rgba(255, 255, 255, .8);
  background: #0b2533;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.utility-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 34px;
  gap: 18px;
  font-size: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  min-height: 74px;
  gap: 24px;
}

.brand {
  order: 1;
  width: 190px;
  flex: 0 0 auto;
}

.site-nav {
  order: 2;
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 400;
}

.site-nav a,
.btn {
  text-decoration: none;
}

.nav-group {
  position: relative;
}

.site-nav a {
  padding: 8px 0;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--sea-dark);
}

.site-nav a.is-active {
  color: var(--sea-dark);
}

.mega-menu {
  position: absolute;
  top: calc(100% + 15px);
  left: 50%;
  z-index: 30;
  display: none;
  width: 290px;
  padding: 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--shadow);
  transform: translateX(-50%);
}

.mega-menu::before {
  position: absolute;
  top: -16px;
  right: 0;
  left: 0;
  height: 16px;
  content: "";
}

.mega-menu a {
  display: block;
  padding: 10px 12px;
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.35;
  border-radius: 4px;
}

.mega-menu a:hover,
.mega-menu a:focus-visible {
  color: var(--ink);
  background: var(--soft);
}

.nav-group:hover .mega-menu,
.nav-group:focus-within .mega-menu {
  display: block;
}

.language-select {
  order: 3;
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 8px;
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 400;
}

.language-select select {
  min-width: 112px;
  min-height: 34px;
  padding: 5px 28px 5px 9px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  cursor: pointer;
}

.language-select option:disabled {
  color: #9aa8ad;
}

.nav-toggle {
  order: 4;
  display: none;
  width: 42px;
  height: 42px;
  margin-left: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: #0c2c34;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.hero-static {
  isolation: isolate;
  min-height: min(520px, calc(100vh - 200px));
  background: #082b36;
}

.hero-static::after {
  position: absolute;
  inset: 0;
  z-index: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(4, 23, 31, .82) 0%, rgba(4, 23, 31, .60) 45%, rgba(4, 23, 31, .22) 100%),
    linear-gradient(180deg, rgba(7, 54, 69, .04) 0%, rgba(3, 24, 33, .44) 100%);
  pointer-events: none;
}

.ocean-scene {
  position: absolute;
  inset: -2%;
  z-index: 0;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(229, 247, 248, .08) 0%, rgba(8, 54, 68, .14) 52%, rgba(4, 23, 31, .28) 100%),
    url("assets/hero-ocean.jpg");
  background-position: center 48%;
  background-size: cover;
  transform: scale(1.02);
  animation: oceanPhotoFloat 28s ease-in-out infinite alternate;
}

.ocean-scene::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .08) 0%, transparent 36%),
    linear-gradient(90deg, rgba(4, 23, 31, .10), transparent 42%, rgba(4, 23, 31, .14));
}

.ocean-horizon-line {
  position: absolute;
  top: 37%;
  right: -6%;
  left: -6%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(234, 251, 252, .58), transparent);
  opacity: 0;
  animation: oceanShimmer 7s ease-in-out infinite;
}

.ocean-layer {
  position: absolute;
  right: -14%;
  left: -14%;
  display: block;
  transform-origin: center bottom;
  will-change: background-position, transform;
}

.ocean-layer-a {
  bottom: -24%;
  height: 70%;
  background-image:
    repeating-linear-gradient(168deg, transparent 0 28px, rgba(255, 255, 255, .18) 30px 32px, transparent 34px 72px),
    repeating-linear-gradient(12deg, transparent 0 38px, rgba(210, 242, 243, .11) 40px 42px, transparent 44px 92px);
  background-size: 520px 240px, 620px 260px;
  opacity: .14;
  transform: perspective(560px) rotateX(54deg) translateY(9%);
  animation: oceanDrift 18s linear infinite;
}

.ocean-layer-b {
  bottom: -10%;
  height: 52%;
  background-image:
    repeating-linear-gradient(172deg, transparent 0 42px, rgba(255, 255, 255, .13) 44px 46px, transparent 48px 108px);
  background-size: 660px 220px;
  opacity: .08;
  transform: perspective(620px) rotateX(58deg) translateY(7%);
  animation: oceanDriftReverse 24s linear infinite;
}

.ocean-layer-c {
  bottom: 15%;
  height: 28%;
  background-image:
    repeating-linear-gradient(176deg, transparent 0 64px, rgba(235, 255, 255, .10) 66px 67px, transparent 69px 136px);
  background-size: 760px 180px;
  opacity: .06;
  transform: perspective(700px) rotateX(62deg);
  animation: oceanDrift 32s linear infinite;
}

.hero-static-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 860px);
  align-items: center;
  min-height: min(520px, calc(100vh - 200px));
  padding: 62px 0 76px;
}

.hero-copy {
  position: relative;
  z-index: 1;
  min-width: 0;
  max-width: 860px;
}

.hero .kicker {
  color: rgba(173, 219, 214, .94);
}

.hero h1 {
  max-width: 860px;
  color: #fff;
  font-size: clamp(42px, 4.6vw, 56px);
  line-height: 1.04;
  text-shadow: 0 3px 22px rgba(0, 0, 0, .24);
}

.hero .lead {
  max-width: 720px;
  color: rgba(255, 255, 255, .84);
  font-size: 19px;
  text-shadow: 0 2px 14px rgba(0, 0, 0, .24);
}

.hero .btn.primary {
  min-width: 132px;
  color: #fff;
  background: var(--sea-dark);
  border-color: rgba(255, 255, 255, .24);
}

@keyframes oceanDrift {
  from {
    background-position: 0 0, 0 0;
  }

  to {
    background-position: 520px 0, -620px 0;
  }
}

@keyframes oceanPhotoFloat {
  from {
    transform: scale(1.02) translate3d(0, 0, 0);
  }

  to {
    transform: scale(1.045) translate3d(-.6%, .25%, 0);
  }
}

@keyframes oceanDriftReverse {
  from {
    background-position: 0 0;
  }

  to {
    background-position: -660px 0;
  }
}

@keyframes oceanShimmer {
  0%,
  100% {
    opacity: .40;
    transform: translateX(-2%);
  }

  50% {
    opacity: .72;
    transform: translateX(2%);
  }
}

.kicker {
  margin: 0 0 12px;
  color: var(--sea-dark);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 {
  max-width: 720px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(42px, 4.8vw, 60px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: 0;
}

h1 span {
  display: block;
}

h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(30px, 3.2vw, 44px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: 0;
}

.section-title.compact h2 {
  font-size: clamp(28px, 2.8vw, 38px);
}

h3 {
  margin: 0;
  color: var(--ink);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.28;
}

.lead {
  max-width: 640px;
  margin: 24px 0 0;
  color: var(--ink-2);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  color: var(--ink);
  font-weight: 400;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  cursor: pointer;
}

.btn.primary {
  color: #fff;
  background: var(--sea-dark);
  border-color: var(--sea-dark);
}

.btn.secondary {
  background: #fff;
}

.supply-card {
  padding: 26px;
  background: rgba(255, 255, 255, .94);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.supply-mark {
  width: 68px;
  margin-bottom: 22px;
}

.card-label {
  margin: 0 0 16px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.supply-card ul {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.supply-card li {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.supply-card span {
  color: var(--sea-dark);
  font-size: 13px;
  font-weight: 500;
}

.supply-card strong {
  color: var(--ink);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.4;
}

.home-catalog {
  padding: 46px 0;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.home-catalog-layout {
  display: grid;
  grid-template-columns: minmax(0, .78fr) minmax(440px, 1.22fr);
  gap: 34px;
  align-items: start;
}

.home-catalog-copy {
  min-width: 0;
  padding: 8px 0;
}

.home-catalog-copy h2 {
  font-size: clamp(30px, 3vw, 42px);
}

.home-catalog-copy > p:not(.kicker) {
  margin: 16px 0 0;
  color: var(--ink-2);
  font-size: 16px;
}

.home-category-list {
  display: grid;
  margin-top: 24px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.home-category-list a {
  display: grid;
  grid-template-columns: 42px minmax(126px, 165px) minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 0;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.home-category-list a:last-child {
  border-bottom: 0;
}

.home-category-list a:hover strong,
.home-category-list a:focus-visible strong {
  color: var(--sea-dark);
}

.home-category-list span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 500;
}

.home-category-list strong {
  color: var(--ink);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.3;
}

.home-category-list small {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.home-products-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.home-product {
  display: grid;
  grid-template-rows: 190px auto;
  gap: 0;
  min-height: 246px;
  padding: 0;
  text-decoration: none;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.home-product:hover,
.home-product:focus-visible {
  border-color: var(--line-strong);
  box-shadow: 0 8px 24px rgba(18, 49, 65, .06);
}

.home-product:hover img,
.home-product:focus-visible img,
.product-photos figure:hover img {
  transform: translateY(-2px) scale(1.02);
}

.home-product img {
  width: 100%;
  height: 190px;
  object-fit: contain;
  padding: 14px 18px 10px;
  background: #fff;
  transition: transform .18s ease;
}

.home-product span {
  display: flex;
  align-items: center;
  min-height: 56px;
  padding: 12px 16px;
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.35;
  border-top: 1px solid var(--line);
  background: #fbfcfb;
}

.trust-strip {
  color: #fff;
  background:
    linear-gradient(90deg, rgba(5, 28, 40, .98), rgba(7, 63, 68, .94)),
    #0b2533;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.trust-strip-layout {
  display: grid;
  grid-template-columns: minmax(0, .58fr) minmax(0, 1fr);
  gap: 42px;
  align-items: start;
  padding: 52px 0;
}

.trust-strip .kicker {
  color: rgba(173, 219, 214, .92);
}

.trust-strip-title h2 {
  color: #fff;
  font-size: clamp(28px, 3vw, 40px);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid rgba(255, 255, 255, .16);
}

.trust-grid div {
  min-width: 0;
  padding: 22px;
  border-right: 1px solid rgba(255, 255, 255, .14);
  background: rgba(255, 255, 255, .035);
}

.trust-grid div:first-child {
  padding-left: 22px;
}

.trust-grid div:last-child {
  padding-right: 22px;
  border-right: 0;
}

.trust-grid span {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 500;
}

.trust-grid strong {
  display: block;
  color: #fff;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.28;
}

.trust-grid p {
  margin: 7px 0 0;
  color: rgba(255, 255, 255, .72);
  font-size: 14px;
}

.page-tabs {
  position: sticky;
  top: 74px;
  z-index: 18;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.page-tabs-inner {
  display: flex;
  gap: 26px;
  overflow-x: auto;
  min-height: 48px;
  align-items: center;
  color: var(--ink-2);
  font-size: 13px;
  white-space: nowrap;
}

.page-tabs a {
  text-decoration: none;
}

.page-tabs a:hover,
.page-tabs a:focus-visible {
  color: var(--sea-dark);
}

.section {
  padding: 78px 0;
}

.page-hero {
  padding: 70px 0 44px;
  background-image:
    linear-gradient(90deg, rgba(246, 248, 246, .99) 0%, rgba(246, 248, 246, .93) 58%, rgba(246, 248, 246, .76) 100%),
    url("assets/ocean-horizon.svg");
  background-position: center;
  background-size: cover;
  border-bottom: 1px solid var(--line);
}

.page-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(260px, .44fr);
  gap: 60px;
  align-items: end;
}

.page-hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(36px, 4.2vw, 54px);
  line-height: 1.05;
}

.page-hero p:not(.kicker) {
  max-width: 650px;
  margin: 18px 0 0;
  color: var(--ink-2);
  font-size: 18px;
}

.page-hero-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.page-hero-list li {
  padding: 13px 15px;
  color: var(--ink-2);
  font-size: 14px;
  border-bottom: 1px solid var(--line);
}

.page-hero-list li:last-child {
  border-bottom: 0;
}

.content-band {
  padding: 62px 0;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.content-band.alt {
  background: var(--soft);
}

.buyer-section {
  background: #fbfcfb;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, .58fr) minmax(0, 1fr);
  gap: 58px;
  align-items: start;
}

.content-copy {
  max-width: 680px;
}

.content-copy p {
  margin: 0 0 14px;
  color: var(--ink-2);
  font-size: 16px;
}

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

.specification-layout .section-title {
  max-width: 720px;
  margin-bottom: 24px;
}

.buyer-check {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.buyer-check div {
  padding: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.buyer-check span,
.buyer-check strong {
  display: block;
}

.buyer-check span {
  margin-bottom: 7px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
}

.buyer-check strong {
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.45;
}

.table-wrap {
  overflow-x: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.data-table {
  width: 100%;
  min-width: 940px;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 14px 15px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.data-table th {
  color: var(--sea-dark);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  background: var(--soft);
}

.data-table td {
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.45;
}

.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.data-table tbody tr:hover {
  background: #fbfcfb;
}

.data-table td:first-child {
  color: var(--ink);
  font-weight: 500;
}

@media (max-width: 820px) {
  .table-wrap {
    overflow: visible;
    background: transparent;
    border: 0;
    border-radius: 0;
  }

  .data-table {
    min-width: 0;
    border-collapse: separate;
    border-spacing: 0;
  }

  .data-table thead {
    display: none;
  }

  .data-table tbody {
    display: grid;
    gap: 10px;
  }

  .data-table tr,
  .data-table td {
    display: block;
    width: 100%;
  }

  .data-table tr {
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 6px;
  }

  .data-table td {
    display: grid;
    grid-template-columns: minmax(86px, 30%) minmax(0, 1fr);
    gap: 12px;
    padding: 11px 13px;
    font-size: 13.5px;
    border-bottom: 1px solid var(--line);
  }

  .data-table td::before {
    color: var(--muted);
    font-size: 11px;
    font-weight: 500;
    line-height: 1.35;
    text-transform: uppercase;
    content: attr(data-label);
  }

  .data-table td:first-child {
    display: block;
    color: var(--sea-dark);
    font-size: 15px;
    background: var(--soft);
  }

  .data-table td:first-child::before {
    display: none;
  }

  .data-table tbody tr:last-child td {
    border-bottom: 1px solid var(--line);
  }

  .data-table td:last-child {
    border-bottom: 0;
  }
}

.catalog-detail {
  display: grid;
  gap: 16px;
}

.catalog-row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 138px;
}

.catalog-row:first-child {
  padding-top: 0;
}

.catalog-row:last-child {
  border-bottom: 0;
}

.catalog-row h2,
.catalog-row h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.18;
}

.catalog-row p {
  margin: 0 0 12px;
  color: var(--ink-2);
}

.tag-line {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.tag-line span {
  padding: 6px 9px;
  color: var(--ink-2);
  font-size: 12px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.standard-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.standard-item {
  min-width: 0;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.standard-item span {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
}

.standard-item h2,
.standard-item h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.standard-item p {
  margin: 0;
  color: var(--muted);
}

.section-title {
  max-width: 680px;
  margin-bottom: 34px;
}

.section-title.compact {
  max-width: 520px;
  margin-bottom: 0;
}

.section-title p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.about-section,
.contact-section {
  background: var(--paper);
}

.about-section {
  border-bottom: 1px solid var(--line);
}

.about-grid,
.standards-grid,
.contact-grid,
.work-grid {
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
  gap: 68px;
  align-items: start;
}

.about-copy {
  max-width: 610px;
}

.about-copy p,
.standards-copy p,
.contact-lead {
  margin: 0;
  color: var(--ink-2);
  font-size: 17px;
}

.about-copy p + p {
  margin-top: 13px;
}

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

.product-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin: -14px 0 24px;
  padding: 14px 16px;
  color: var(--muted);
  font-size: 13px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.product-toolbar label {
  display: grid;
  gap: 6px;
  min-width: 0;
  width: min(360px, 100%);
  color: var(--ink-2);
}

.product-toolbar label span {
  color: var(--muted);
  font-size: 12px;
}

.product-toolbar select {
  width: 100%;
  min-width: 0;
  min-height: 38px;
  padding: 7px 30px 7px 10px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
}

.product-photos {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: -10px 0 28px;
}

.product-photos figure {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.product-photos img {
  width: 100%;
  height: 168px;
  object-fit: contain;
  padding: 14px;
  background: #fff;
  transition: transform .18s ease;
}

.product-photos figcaption {
  padding: 10px 12px;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 400;
  border-top: 1px solid var(--line);
  background: #fbfcfb;
}

.range-list {
  background: var(--paper);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.range-list article {
  display: grid;
  grid-template-columns: 54px minmax(160px, 210px) minmax(0, 1fr) minmax(230px, 310px);
  gap: 24px;
  align-items: start;
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 138px;
}

.range-list article:last-child {
  border-bottom: 0;
}

.range-list span {
  color: var(--gold);
  font-size: 14px;
  font-weight: 500;
}

.range-list p,
.range-list small {
  margin: 0;
  color: var(--muted);
}

.range-list small {
  display: block;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.45;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.spec-grid div {
  min-width: 0;
  padding: 16px;
  border-right: 1px solid var(--line);
}

.spec-grid div:last-child {
  border-right: 0;
}

.spec-grid span,
.spec-grid strong {
  display: block;
}

.spec-grid span {
  margin-bottom: 5px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
}

.spec-grid strong {
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.45;
}

.work-section {
  color: #fff;
  background: var(--ink);
}

.work-section .kicker,
.work-section h2 {
  color: #fff;
}

.work-steps {
  border-top: 1px solid rgba(255, 255, 255, .22);
}

.work-steps article {
  display: grid;
  grid-template-columns: 86px minmax(150px, 220px) 1fr;
  gap: 22px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .22);
}

.work-steps span {
  color: #98d6d1;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.work-steps h3 {
  color: #fff;
}

.work-steps p {
  margin: 0;
  color: rgba(255, 255, 255, .76);
}

.standards-section {
  background: var(--soft);
  border-bottom: 1px solid var(--line);
}

.check-list {
  display: grid;
  gap: 0;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.check-list li {
  position: relative;
  padding: 14px 0 14px 28px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line);
}

.check-list li::before {
  position: absolute;
  top: 22px;
  left: 0;
  width: 8px;
  height: 8px;
  content: "";
  background: var(--sea);
  border-radius: 50%;
}

.requirement-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.requirement-strip span {
  padding: 7px 11px;
  color: var(--ink-2);
  font-size: 13px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.contact-section {
  border-top: 1px solid var(--line);
}

.contact-panel {
  padding: 26px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.main-mail {
  margin: 0 0 22px;
  color: var(--ink);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 400;
  line-height: 1.12;
}

.mail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 22px;
}

.mail-grid div {
  min-width: 0;
  padding: 12px 13px;
  color: var(--ink-2);
  font-size: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.mail-grid span,
.mail-grid strong {
  display: block;
}

.mail-grid span {
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

.mail-grid strong {
  color: var(--ink);
  font-weight: 400;
  overflow-wrap: anywhere;
}

.inquiry-note {
  padding: 14px 15px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.inquiry-note span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 12px;
}

.inquiry-note p {
  margin: 0;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.45;
}

.site-footer {
  padding: 46px 0;
  color: rgba(255, 255, 255, .74);
  background: #0b2533;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1.4fr) repeat(3, minmax(150px, 1fr));
  gap: 34px;
  align-items: start;
}

.footer-brand img {
  width: 184px;
  padding: 4px;
  background: #fff;
  border-radius: 3px;
}

.footer-brand p {
  max-width: 280px;
  margin: 16px 0 0;
  color: rgba(255, 255, 255, .72);
}

.site-footer h3 {
  margin: 0 0 13px;
  color: #fff;
  font-size: 15px;
  font-weight: 400;
}

.site-footer a,
.site-footer p {
  display: block;
  margin: 0;
  color: rgba(255, 255, 255, .7);
  font-size: 14px;
  line-height: 1.7;
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: #fff;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 34px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .14);
}

.footer-bottom span {
  color: rgba(255, 255, 255, .58);
  font-size: 13px;
}

.back-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 25;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  color: var(--ink);
  font-size: 18px;
  text-decoration: none;
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  box-shadow: 0 12px 30px rgba(18, 49, 65, .12);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease;
}

.back-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 980px) {
  .container {
    width: calc(100% - 36px);
    max-width: 780px;
  }

  .brand {
    width: 174px;
  }

  .header-inner {
    min-height: 70px;
    gap: 14px;
    justify-content: space-between;
  }

  .nav-toggle {
    display: block;
    flex: 0 0 auto;
    margin-left: 0;
  }

  .site-nav {
    position: absolute;
    top: 70px;
    right: 18px;
    left: 18px;
    display: none;
    margin: 0;
    padding: 14px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 6px;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: grid;
    gap: 8px;
  }

  .nav-group {
    display: grid;
  }

  .mega-menu {
    position: static;
    display: grid;
    width: auto;
    padding: 4px 0 0 12px;
    border: 0;
    box-shadow: none;
    transform: none;
  }

  .mega-menu::before {
    display: none;
  }

  .mega-menu a {
    padding: 6px 0;
    color: var(--muted);
    background: transparent;
  }

  .language-select {
    margin-left: auto;
  }

  .hero-static-inner,
  .page-hero-inner,
  .home-catalog-layout,
  .trust-strip-layout,
  .about-grid,
  .content-grid,
  .work-grid,
  .standards-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .hero-static,
  .hero-static-inner {
    min-height: min(500px, calc(100vh - 170px));
  }

  .hero-static-inner {
    padding: 52px 0 70px;
  }

  .supply-card {
    max-width: 560px;
  }

  .range-list article {
    grid-template-columns: 46px minmax(150px, 200px) minmax(0, 1fr);
  }

  .range-list small {
    grid-column: 2 / -1;
  }

  .work-steps article {
    grid-template-columns: 80px 1fr;
  }

  .work-steps p {
    grid-column: 2 / -1;
  }

  .page-tabs {
    top: 70px;
  }

  .spec-grid,
  .standard-list,
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .spec-grid div:nth-child(2) {
    border-right: 0;
  }

  .spec-grid div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 700px) {
  .container {
    width: calc(100% - 28px);
    max-width: 540px;
  }

  .section {
    padding: 58px 0;
  }

  .utility-bar,
  .page-tabs {
    display: none;
  }

  .language-select span {
    display: none;
  }

  .language-select select {
    min-width: 102px;
  }

  h1 {
    font-size: clamp(30px, 8.4vw, 38px);
    line-height: 1.08;
  }

  .hero h1 {
    font-size: clamp(27px, 7.2vw, 32px);
    line-height: 1.05;
  }

  h2 {
    font-size: 30px;
  }

  .lead {
    font-size: 16px;
  }

  .hero-actions,
  .btn {
    width: 100%;
  }

  .hero-static,
  .hero-static-inner {
    min-height: min(420px, calc(100vh - 250px));
  }

  .hero-static-inner {
    padding: 34px 0 48px;
  }

  .supply-card {
    padding: 20px;
  }

  .supply-card li {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .trust-grid,
  .buyer-check,
  .product-photos,
  .home-products-grid,
  .mail-grid,
  .spec-grid,
  .standard-list,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .home-product {
    grid-template-columns: 1fr;
    grid-template-rows: 190px auto;
  }

  .home-catalog .home-products-grid {
    grid-template-columns: 1fr;
  }

  .home-product img {
    width: 100%;
    height: 190px;
  }

  .page-hero {
    padding: 52px 0 36px;
  }

  .page-hero h1 {
    font-size: 34px;
  }

  .content-band {
    padding: 50px 0;
  }

  .home-catalog {
    padding: 36px 0;
  }

  .home-catalog-layout {
    gap: 26px;
  }

  .home-category-list a {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 5px 12px;
    padding: 13px 0;
  }

  .home-category-list small {
    grid-column: 2;
  }

  .trust-strip-layout {
    gap: 24px;
    padding: 40px 0;
  }

  .catalog-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .product-toolbar {
    display: grid;
    align-items: start;
    margin-top: -10px;
  }

  .product-photos {
    margin: -6px 0 22px;
    gap: 10px;
  }

  .product-photos img {
    height: 150px;
  }

  .spec-grid div,
  .spec-grid div:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .spec-grid div:last-child {
    border-bottom: 0;
  }

  .trust-grid div,
  .trust-grid div:first-child,
  .trust-grid div:last-child {
    padding: 19px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust-grid div:last-child {
    border-bottom: 0;
  }

  .trust-strip .trust-grid div,
  .trust-strip .trust-grid div:first-child,
  .trust-strip .trust-grid div:last-child {
    padding: 18px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .14);
  }

  .trust-strip .trust-grid div:last-child {
    border-bottom: 0;
  }

  .range-list article {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 20px 18px;
  }

  .range-list small,
  .work-steps p {
    grid-column: auto;
  }

  .work-steps article {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .contact-panel {
    padding: 20px;
  }

  .footer-bottom {
    display: grid;
    gap: 6px;
  }

  .back-top {
    display: none;
  }
}

@media (max-width: 420px) {
  .container {
    width: calc(100% - 24px);
  }

  .header-inner {
    min-height: 64px;
    gap: 8px;
  }

  .brand {
    width: 136px;
  }

  .language-select select {
    width: 92px;
    min-width: 0;
    padding-right: 18px;
    padding-left: 7px;
    font-size: 12px;
  }

  .nav-toggle {
    width: 38px;
    height: 38px;
  }

  .site-nav {
    top: 64px;
    right: 12px;
    left: 12px;
  }

  h1 {
    font-size: 30px;
  }

  .page-hero {
    padding: 42px 0 30px;
  }

  .page-hero-inner {
    gap: 24px;
  }

  .page-hero h1 {
    font-size: 30px;
    line-height: 1.06;
  }

  .page-hero p:not(.kicker) {
    margin-top: 12px;
    font-size: 16px;
  }

  .page-hero-list li {
    padding: 10px 12px;
    font-size: 13px;
  }

  .hero-static,
  .hero-static-inner {
    min-height: min(410px, calc(100vh - 238px));
  }
}

@media (max-width: 350px) {
  .brand {
    width: 126px;
  }

  .language-select select {
    width: 86px;
    padding-right: 16px;
  }

  .nav-toggle {
    width: 36px;
    height: 36px;
  }

  .hero h1 {
    font-size: 26px;
  }

  .hero .lead {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .back-top,
  .home-product img,
  .product-photos img {
    transition: none;
  }

  .ocean-scene,
  .ocean-horizon-line,
  .ocean-layer {
    animation: none;
  }
}