:root {
  --ink: #102a3a;
  --ink-2: #294654;
  --muted: #687d86;
  --line: #dce7e7;
  --soft: #f3f7f7;
  --white: #ffffff;
  --teal: #017f7e;
  --teal-2: #0ea49d;
  --teal-dark: #006968;
  --navy: #0c2535;
  --navy-2: #163b50;
  --amber: #f3a928;
  --danger: #dd5b51;
  --shadow-sm: 0 12px 36px rgba(15, 48, 58, .08);
  --shadow-md: 0 24px 60px rgba(12, 44, 57, .14);
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 30px;
  --container: min(1240px, calc(100% - 64px));
  --ease: cubic-bezier(.2, .8, .2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
body.modal-open { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
p, h1, h2, h3, h4, h5, h6 { margin-top: 0; }
ul { margin: 0; padding: 0; list-style: none; }

.container { width: var(--container); margin-inline: auto; }
.skip-link {
  position: fixed;
  z-index: 9999;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: #fff;
  background: var(--navy);
  border-radius: 8px;
  transform: translateY(-140%);
}
.skip-link:focus { transform: translateY(0); }

.icon {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-solid { fill: currentColor; stroke: none; }

.site-topbar { color: #dce9eb; background: var(--navy); }
.topbar-inner {
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-size: 13px;
}
.topbar-note, .topbar-links { display: flex; align-items: center; gap: 18px; }
.topbar-note strong { color: #fff; font-weight: 600; }
.topbar-links a { color: inherit; transition: color .2s ease; }
.topbar-links a:hover { color: #fff; }
.topbar-divider { width: 1px; height: 12px; background: rgba(255,255,255,.25); }

.site-header {
  position: relative;
  z-index: 50;
  background: rgba(255,255,255,.97);
}
.header-main {
  min-height: 90px;
  display: grid;
  grid-template-columns: minmax(270px, 1fr) minmax(280px, 420px) auto;
  align-items: center;
  gap: 34px;
}
.site-brand { display: inline-flex; align-items: center; gap: 16px; min-width: 0; }
.site-brand img { width: 196px; height: auto; }
.brand-copy { padding-left: 15px; border-left: 1px solid var(--line); }
.brand-copy strong, .brand-copy span { display: block; }
.brand-copy strong { color: var(--ink); font-size: 14px; line-height: 1.35; }
.brand-copy span { margin-top: 3px; color: var(--muted); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }

.site-search { position: relative; }
.site-search input {
  width: 100%;
  height: 44px;
  padding: 0 54px 0 17px;
  color: var(--ink);
  background: var(--soft);
  border: 1px solid transparent;
  border-radius: 999px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.site-search input:focus { background: #fff; border-color: var(--teal-2); box-shadow: 0 0 0 4px rgba(1,127,126,.11); }
.site-search button {
  position: absolute;
  top: 5px;
  right: 5px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  padding: 0;
  color: #fff;
  background: var(--teal);
  border: 0;
  border-radius: 50%;
  cursor: pointer;
}
.header-actions { display: flex; align-items: center; gap: 12px; justify-content: flex-end; }
.language-switch, .design-switch {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
}
.language-switch button, .design-switch a {
  min-width: 34px;
  height: 30px;
  display: grid;
  place-items: center;
  padding: 0 9px;
  font-size: 12px;
  font-weight: 700;
  background: transparent;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
}
.language-switch button.active, .design-switch a.active { color: #fff; background: var(--teal); }
.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-left: 8px;
}
.header-phone .phone-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: var(--teal);
  background: #e7f6f4;
  border-radius: 50%;
}
.header-phone small, .header-phone strong { display: block; white-space: nowrap; }
.header-phone small { color: var(--muted); font-size: 11px; line-height: 1.2; }
.header-phone strong { margin-top: 3px; font-size: 14px; line-height: 1.2; }

.site-nav {
  position: sticky;
  z-index: 45;
  top: 0;
  color: #fff;
  background: var(--teal);
  box-shadow: 0 5px 20px rgba(9, 46, 54, .1);
}
.nav-inner { min-height: 55px; display: flex; align-items: center; justify-content: space-between; }
.nav-list { display: flex; align-items: stretch; align-self: stretch; }
.nav-list li { display: flex; }
.nav-list a {
  position: relative;
  display: flex;
  align-items: center;
  padding: 0 24px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .015em;
  transition: background .2s ease;
}
.nav-list a:hover, .nav-list a.active { background: rgba(0,0,0,.12); }
.nav-list a.active::after {
  position: absolute;
  right: 24px;
  bottom: 8px;
  left: 24px;
  height: 2px;
  content: "";
  background: #fff;
  border-radius: 2px;
}
.nav-cta { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 700; }
.nav-cta .icon { width: 18px; }
.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  color: #fff;
  background: rgba(255,255,255,.12);
  border: 0;
  border-radius: 10px;
  cursor: pointer;
}
.menu-toggle span { display: block; width: 20px; height: 2px; margin: 5px auto; background: currentColor; transition: .25s ease; }

.theme-atlas .site-header { border-bottom: 1px solid rgba(1,127,126,.1); }
.theme-atlas .site-nav { background: #0d303e; }
.theme-atlas .nav-list a.active, .theme-atlas .nav-list a:hover { background: rgba(20,174,164,.18); }
.theme-atlas .nav-list a.active::after { background: #38d1c4; }
.theme-catalog { --teal: #087f7d; --navy: #14344a; }
.theme-catalog .site-topbar { color: #56717d; background: #edf5f4; border-bottom: 1px solid #d9e5e5; }
.theme-catalog .topbar-note strong { color: var(--teal-dark); }
.theme-catalog .topbar-links a:hover { color: var(--teal); }
.theme-catalog .topbar-divider { background: #bfd0d1; }
.theme-catalog .site-nav { border-top: 1px solid var(--line); box-shadow: none; }

.section { position: relative; padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-soft { background: var(--soft); }
.section-dark { color: #fff; background: var(--navy); }
.section-head {
  margin-bottom: 40px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
}
.section-head-centered { display: block; max-width: 720px; margin: 0 auto 44px; text-align: center; }
.section-label {
  margin-bottom: 10px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.section-label::before { width: 26px; height: 2px; content: ""; background: currentColor; }
.section-head-centered .section-label::before { display: none; }
.section-title {
  margin-bottom: 0;
  font-size: clamp(30px, 3.2vw, 46px);
  line-height: 1.2;
  letter-spacing: -.035em;
}
.section-copy { max-width: 570px; margin-bottom: 0; color: var(--muted); }
.section-dark .section-copy { color: #b8cbd1; }
.section-dark .section-label { color: #6ee7d8; }
.section-link { display: inline-flex; align-items: center; gap: 8px; color: var(--teal); font-weight: 700; white-space: nowrap; }
.section-link:hover .icon { transform: translateX(4px); }
.section-link .icon { width: 18px; transition: transform .2s ease; }

.eyebrow {
  margin-bottom: 22px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #91f2e8;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.eyebrow::before { width: 32px; height: 2px; content: ""; background: currentColor; }
.hero-title { margin-bottom: 24px; font-size: clamp(48px, 5.2vw, 76px); line-height: 1.07; letter-spacing: -.055em; }
.hero-title em { color: #66e5d9; font-style: normal; }
.hero-lede { max-width: 610px; margin-bottom: 34px; color: #c0d2d7; font-size: 18px; line-height: 1.85; }
.hero-actions, .button-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 22px;
  color: #fff;
  background: var(--teal);
  border: 1px solid var(--teal);
  border-radius: 11px;
  font-weight: 750;
  line-height: 1.2;
  cursor: pointer;
  transition: transform .22s var(--ease), box-shadow .22s ease, background .22s ease, border-color .22s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(1,127,126,.24); background: var(--teal-dark); border-color: var(--teal-dark); }
.btn-light { color: var(--ink); background: #fff; border-color: #fff; }
.btn-light:hover { color: var(--teal-dark); background: #fff; border-color: #fff; box-shadow: 0 12px 28px rgba(0,0,0,.14); }
.btn-outline { color: var(--ink); background: transparent; border-color: #b9cbcc; }
.btn-outline:hover { color: var(--teal); background: #eff8f7; border-color: var(--teal); box-shadow: none; }
.btn-ghost { color: #fff; background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.28); }
.btn-ghost:hover { background: rgba(255,255,255,.13); border-color: rgba(255,255,255,.5); box-shadow: none; }
.btn .icon { width: 18px; }

.atlas-hero {
  min-height: 700px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: #0a2736;
}
.atlas-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    radial-gradient(circle at 82% 22%, rgba(23,188,176,.17), transparent 32%),
    linear-gradient(90deg, rgba(7,28,42,.98) 0%, rgba(7,31,44,.91) 48%, rgba(7,31,44,.54) 100%),
    url("../images/pic.jpg") center/cover no-repeat;
}
.atlas-hero::after {
  position: absolute;
  inset: 0;
  opacity: .06;
  content: "";
  background-image: linear-gradient(rgba(255,255,255,.35) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.35) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: linear-gradient(to right, transparent, #000 60%);
}
.hero-grid {
  position: relative;
  z-index: 2;
  min-height: 700px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, .95fr);
  align-items: center;
  gap: 60px;
  padding: 74px 0 90px;
}
.hero-copy { position: relative; z-index: 3; }
.hero-trust { margin-top: 44px; display: flex; align-items: center; gap: 20px; color: #afc6cc; font-size: 13px; }
.trust-dots { display: flex; }
.trust-dot { width: 30px; height: 30px; display: grid; place-items: center; margin-left: -7px; color: #fff; background: #1f6370; border: 2px solid #0e3343; border-radius: 50%; font-size: 10px; font-weight: 800; }
.trust-dot:first-child { margin-left: 0; }

.hero-stage { position: relative; min-height: 485px; display: grid; place-items: center; }
.hero-stage::before {
  position: absolute;
  width: 430px;
  height: 430px;
  content: "";
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 50%;
  box-shadow: inset 0 0 80px rgba(70,227,214,.08);
}
.hero-product { position: relative; z-index: 2; width: min(630px, 112%); transform: translate(3%, 3%); filter: drop-shadow(0 30px 32px rgba(0,0,0,.18)); }
.stage-card {
  position: absolute;
  z-index: 3;
  min-width: 165px;
  padding: 14px 17px;
  color: var(--ink);
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 14px;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(8px);
}
.stage-card strong, .stage-card small { display: block; }
.stage-card strong { font-size: 16px; line-height: 1.3; }
.stage-card small { margin-top: 3px; color: var(--muted); font-size: 11px; }
.stage-card-a { top: 53px; right: 0; }
.stage-card-b { bottom: 52px; left: -5px; }
.stage-card .status { width: 7px; height: 7px; display: inline-block; margin-right: 7px; background: #1ecb8f; border-radius: 50%; box-shadow: 0 0 0 5px rgba(30,203,143,.12); }

.hero-service-bar {
  position: relative;
  z-index: 4;
  margin-top: -37px;
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #fff;
  border: 1px solid rgba(221,232,233,.8);
  border-radius: 18px;
  box-shadow: var(--shadow-md);
}
.service-item { min-height: 96px; display: flex; align-items: center; gap: 15px; padding: 20px 24px; border-right: 1px solid var(--line); }
.service-item:last-child { border-right: 0; }
.service-icon { width: 44px; height: 44px; display: grid; flex: 0 0 auto; place-items: center; color: var(--teal); background: #e9f7f5; border-radius: 13px; }
.service-copy strong, .service-copy span { display: block; }
.service-copy strong { font-size: 15px; }
.service-copy span { margin-top: 2px; color: var(--muted); font-size: 12px; }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card {
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .28s var(--ease), box-shadow .28s ease, border-color .28s ease;
}
.product-card:hover { transform: translateY(-7px); border-color: #b8d5d3; box-shadow: var(--shadow-md); }
.product-media { position: relative; min-height: 288px; display: grid; place-items: center; padding: 26px; overflow: hidden; background: linear-gradient(145deg, #f7faf9, #e9f2f2); }
.product-media::before { position: absolute; width: 220px; height: 220px; content: ""; background: #fff; border-radius: 50%; opacity: .75; }
.product-media img { position: relative; z-index: 1; width: 88%; height: 230px; object-fit: contain; transition: transform .35s var(--ease); }
.product-card:hover .product-media img { transform: scale(1.045) translateY(-3px); }
.product-tag { position: absolute; z-index: 2; top: 17px; left: 17px; padding: 5px 10px; color: var(--teal-dark); background: rgba(255,255,255,.9); border-radius: 999px; font-size: 11px; font-weight: 800; letter-spacing: .06em; }
.product-body { padding: 24px 25px 26px; }
.product-kicker { margin-bottom: 7px; color: var(--teal); font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.product-title { margin-bottom: 10px; font-size: 21px; line-height: 1.35; }
.product-title a:hover { color: var(--teal); }
.product-desc { min-height: 52px; margin-bottom: 19px; color: var(--muted); font-size: 14px; line-height: 1.75; }
.product-footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 17px; border-top: 1px solid var(--line); }
.product-footer span { color: var(--muted); font-size: 12px; }
.arrow-button { width: 38px; height: 38px; display: grid; place-items: center; color: var(--teal); background: #edf7f6; border-radius: 50%; transition: color .2s, background .2s; }
.product-card:hover .arrow-button { color: #fff; background: var(--teal); }

.category-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.category-card {
  position: relative;
  min-height: 158px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  overflow: hidden;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  transition: transform .25s var(--ease), border-color .25s ease, background .25s ease;
}
.category-card::after { position: absolute; right: -28px; bottom: -38px; width: 105px; height: 105px; content: ""; background: #e7f4f3; border-radius: 50%; transition: transform .25s ease; }
.category-card:hover { transform: translateY(-4px); color: #fff; background: var(--teal); border-color: var(--teal); }
.category-card:hover::after { transform: scale(1.6); background: rgba(255,255,255,.1); }
.category-icon { position: relative; z-index: 1; width: 44px; height: 44px; display: grid; place-items: center; color: var(--teal); background: #ebf6f5; border-radius: 12px; }
.category-card:hover .category-icon { color: #fff; background: rgba(255,255,255,.16); }
.category-card h3 { position: relative; z-index: 1; margin: 24px 0 2px; font-size: 17px; }
.category-card p { position: relative; z-index: 1; margin: 0; color: var(--muted); font-size: 12px; }
.category-card:hover p { color: rgba(255,255,255,.72); }

.about-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(420px, .9fr); align-items: center; gap: 76px; }
.about-visual { position: relative; min-height: 520px; overflow: hidden; background: var(--navy) url("../images/pic.jpg") center/cover; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.about-visual::after { position: absolute; inset: 0; content: ""; background: linear-gradient(145deg, rgba(8,36,50,.18), rgba(8,36,50,.72)); }
.about-panel { position: absolute; z-index: 2; right: 26px; bottom: 26px; left: 26px; display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; padding: 25px 27px; color: #fff; background: rgba(7,35,48,.78); border: 1px solid rgba(255,255,255,.18); border-radius: 17px; backdrop-filter: blur(12px); }
.about-panel strong { display: block; font-size: 28px; line-height: 1.15; }
.about-panel span { display: block; margin-top: 5px; color: #c9dadd; font-size: 12px; }
.about-copy .section-title { margin-bottom: 24px; }
.about-copy > p { color: var(--muted); }
.check-list { margin: 27px 0 34px; display: grid; grid-template-columns: 1fr 1fr; gap: 15px 24px; }
.check-list li { display: flex; align-items: center; gap: 10px; font-weight: 650; }
.check-list li::before { width: 22px; height: 22px; display: grid; flex: 0 0 auto; place-items: center; color: #fff; content: "✓"; background: var(--teal); border-radius: 50%; font-size: 12px; }

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.14); border-bottom: 1px solid rgba(255,255,255,.14); }
.stat-item { min-height: 150px; display: grid; align-content: center; padding: 28px; text-align: center; border-right: 1px solid rgba(255,255,255,.14); }
.stat-item:last-child { border-right: 0; }
.stat-number { color: #6ee7d8; font-size: 34px; font-weight: 800; letter-spacing: -.04em; }
.stat-label { margin-top: 4px; color: #c5d5d8; font-size: 13px; }

.news-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; }
.news-feature { min-height: 430px; display: flex; flex-direction: column; justify-content: flex-end; padding: 40px; overflow: hidden; color: #fff; background: linear-gradient(0deg, rgba(8,34,47,.96), rgba(8,34,47,.12)), url("../images/pic.jpg") center/cover; border-radius: var(--radius); }
.news-date { margin-bottom: 12px; color: #75e8dc; font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.news-feature h3 { max-width: 520px; margin-bottom: 15px; font-size: 29px; line-height: 1.4; }
.news-feature p { max-width: 530px; margin-bottom: 0; color: #c2d2d6; }
.news-list { display: grid; gap: 14px; }
.news-item { min-height: 128px; display: grid; grid-template-columns: 82px 1fr 32px; align-items: center; gap: 22px; padding: 20px 22px; background: #fff; border: 1px solid var(--line); border-radius: 15px; transition: border-color .2s, transform .2s; }
.news-item:hover { transform: translateX(4px); border-color: #add3d0; }
.news-item time { color: var(--teal); font-size: 12px; font-weight: 800; text-align: center; }
.news-item time strong { display: block; font-size: 27px; line-height: 1; }
.news-item h3 { margin-bottom: 5px; font-size: 17px; line-height: 1.45; }
.news-item p { margin: 0; color: var(--muted); font-size: 13px; }
.news-item .icon { color: var(--teal); }

.client-strip { display: grid; grid-template-columns: repeat(6, 1fr); border: 1px solid var(--line); border-radius: 16px; }
.client-item { min-height: 92px; display: grid; place-items: center; padding: 16px; color: #70838b; border-right: 1px solid var(--line); font-size: 14px; font-weight: 800; letter-spacing: .04em; text-align: center; }
.client-item:last-child { border-right: 0; }

.contact-band { position: relative; overflow: hidden; color: #fff; background: var(--teal); border-radius: var(--radius-lg); }
.contact-band::after { position: absolute; top: -180px; right: -100px; width: 480px; height: 480px; content: ""; border: 70px solid rgba(255,255,255,.08); border-radius: 50%; }
.contact-band-inner { position: relative; z-index: 2; min-height: 280px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 40px; padding: 50px 60px; }
.contact-band .eyebrow { margin-bottom: 13px; color: #b8fff7; }
.contact-band h2 { max-width: 700px; margin-bottom: 13px; font-size: clamp(31px, 3.4vw, 48px); line-height: 1.18; letter-spacing: -.035em; }
.contact-band p { margin: 0; color: #c8f3ef; }

.site-footer { color: #c7d6d9; background: #092331; }
.footer-main { padding: 70px 0 50px; display: grid; grid-template-columns: 1.3fr .8fr .8fr 1fr; gap: 55px; }
.footer-brand { display: inline-flex; margin-bottom: 20px; padding: 10px 12px; background: #fff; border-radius: 9px; }
.footer-brand img { width: 164px; }
.footer-about { max-width: 340px; margin-bottom: 24px; color: #9fb3b8; font-size: 14px; }
.footer-title { margin: 7px 0 22px; color: #fff; font-size: 16px; }
.footer-links { display: grid; gap: 11px; }
.footer-links a { color: #a9bec2; font-size: 14px; transition: color .2s, transform .2s; }
.footer-links a:hover { color: #71e4d8; transform: translateX(3px); }
.footer-contact { display: grid; gap: 14px; }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; color: #a9bec2; font-size: 14px; }
.footer-contact .icon { width: 17px; margin-top: 4px; color: #65dfd3; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.11); }
.footer-bottom-inner { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 30px; color: #81999f; font-size: 12px; }

.floating-tools { position: fixed; z-index: 70; right: 22px; bottom: 28px; display: grid; gap: 9px; }
.floating-button {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--teal);
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 14px;
  box-shadow: 0 11px 26px rgba(7,48,58,.2);
  cursor: pointer;
  transition: transform .2s ease, background .2s ease;
}
.floating-button:hover { transform: translateY(-3px); background: var(--teal-dark); }
.floating-button[data-back-to-top] { opacity: 0; pointer-events: none; transform: translateY(8px); }
.floating-button[data-back-to-top].visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

/* Catalog homepage */
.catalog-hero { position: relative; overflow: hidden; background: linear-gradient(135deg, #f9fbfb 0%, #edf5f4 62%, #dceceb 100%); border-bottom: 1px solid #d4e3e3; }
.catalog-hero::before { position: absolute; right: -9%; bottom: -62%; width: 720px; height: 720px; content: ""; border: 110px solid rgba(1,127,126,.055); border-radius: 50%; }
.catalog-hero-grid { position: relative; min-height: 550px; display: grid; grid-template-columns: minmax(420px, .88fr) minmax(520px, 1.12fr); align-items: center; gap: 20px; padding: 48px 0 62px; }
.catalog-hero .eyebrow { margin-bottom: 16px; color: var(--teal); }
.catalog-hero .hero-title { max-width: 650px; margin-bottom: 19px; color: var(--ink); font-size: clamp(43px, 4.5vw, 66px); }
.catalog-hero .hero-title em { color: var(--teal); }
.catalog-hero .hero-lede { max-width: 560px; margin-bottom: 29px; color: var(--muted); }
.catalog-badges { margin-top: 31px; display: flex; flex-wrap: wrap; gap: 18px; color: #49636e; font-size: 13px; font-weight: 650; }
.catalog-badges span { display: flex; align-items: center; gap: 7px; }
.catalog-badges span::before { width: 7px; height: 7px; content: ""; background: var(--teal); border-radius: 50%; }
.catalog-stage { position: relative; min-height: 450px; display: grid; place-items: center; overflow: hidden; }
.catalog-stage::before { position: absolute; width: 430px; height: 430px; content: ""; background: rgba(255,255,255,.62); border: 1px solid #d8e7e6; border-radius: 50%; }
.catalog-stage img { position: relative; z-index: 2; width: 620px; max-width: 108%; filter: drop-shadow(0 24px 24px rgba(17,55,67,.13)); }
.catalog-chip { position: absolute; z-index: 3; right: 0; bottom: 55px; min-width: 190px; padding: 14px 17px; background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--amber); box-shadow: var(--shadow-md); }
.catalog-chip strong, .catalog-chip span { display: block; }
.catalog-chip strong { font-size: 15px; }
.catalog-chip span { margin-top: 2px; color: var(--muted); font-size: 11px; }
.catalog-dots { position: absolute; z-index: 3; bottom: 20px; left: 50%; display: flex; gap: 8px; transform: translateX(-50%); }
.catalog-dots button { width: 22px; height: 5px; padding: 0; background: #b6cccd; border: 0; border-radius: 5px; cursor: pointer; }
.catalog-dots button.active { width: 42px; background: var(--teal); }

.quick-categories { padding: 32px 0; background: #fff; border-bottom: 1px solid var(--line); }
.quick-category-grid { display: grid; grid-template-columns: repeat(6, 1fr); }
.quick-category { min-height: 104px; display: grid; grid-template-columns: 40px 1fr; align-content: center; align-items: center; gap: 12px; padding: 18px 19px; border-right: 1px solid var(--line); transition: color .2s, background .2s; }
.quick-category:first-child { border-left: 1px solid var(--line); }
.quick-category:hover { color: var(--teal); background: #f2f8f7; }
.quick-category .category-icon { width: 38px; height: 38px; border-radius: 9px; }
.quick-category strong, .quick-category span { display: block; }
.quick-category strong { font-size: 14px; line-height: 1.25; }
.quick-category span { margin-top: 3px; color: var(--muted); font-size: 10px; text-transform: uppercase; }

.catalog-about { display: grid; grid-template-columns: .82fr 1.18fr; align-items: stretch; gap: 0; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.catalog-about-media { min-height: 470px; background: linear-gradient(135deg, rgba(9,42,55,.2), rgba(9,42,55,.58)), url("../images/pic.jpg") center/cover; }
.catalog-about-copy { padding: 54px 58px; }
.catalog-about-copy h2 { margin-bottom: 22px; font-size: 36px; letter-spacing: -.035em; }
.catalog-about-copy p { color: var(--muted); }
.catalog-values { margin-top: 30px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.catalog-value { padding: 18px 14px; background: #f0f7f6; border-radius: 10px; text-align: center; }
.catalog-value strong { display: block; color: var(--teal); font-size: 18px; }
.catalog-value span { color: var(--muted); font-size: 11px; }

.catalog-products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.catalog-product { display: grid; grid-template-columns: 155px 1fr; align-items: center; min-height: 186px; overflow: hidden; background: #fff; border: 1px solid var(--line); transition: border-color .2s, box-shadow .2s, transform .2s; }
.catalog-product:hover { transform: translateY(-3px); border-color: #a9d0ce; box-shadow: var(--shadow-sm); }
.catalog-product-media { align-self: stretch; display: grid; place-items: center; padding: 17px; background: #f0f5f5; }
.catalog-product-media img { width: 100%; height: 140px; object-fit: contain; }
.catalog-product-copy { padding: 21px 19px; }
.catalog-product-copy span { color: var(--teal); font-size: 11px; font-weight: 800; letter-spacing: .06em; }
.catalog-product-copy h3 { margin: 7px 0 9px; font-size: 17px; line-height: 1.4; }
.catalog-product-copy p { margin: 0; color: var(--muted); font-size: 12px; }

.catalog-classification { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.classification-column { min-height: 360px; padding: 35px; border-right: 1px solid var(--line); }
.classification-column:last-child { border-right: 0; }
.classification-column h3 { margin-bottom: 20px; padding-bottom: 16px; color: var(--teal); border-bottom: 2px solid var(--teal); font-size: 19px; }
.classification-links { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 18px; }
.classification-links a { position: relative; padding-left: 15px; color: #536b75; font-size: 14px; }
.classification-links a::before { position: absolute; top: .76em; left: 0; width: 5px; height: 5px; content: ""; background: #9bb5b6; border-radius: 50%; }
.classification-links a:hover { color: var(--teal); }
.classification-links a:hover::before { background: var(--teal); }

.knowledge-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.knowledge-panel { padding: 32px; background: #fff; border: 1px solid var(--line); }
.knowledge-head { margin-bottom: 18px; display: flex; align-items: center; justify-content: space-between; padding-bottom: 17px; border-bottom: 2px solid var(--ink); }
.knowledge-head h3 { margin: 0; font-size: 22px; }
.knowledge-list { display: grid; }
.knowledge-list a { display: grid; grid-template-columns: 1fr auto; gap: 18px; padding: 14px 0; border-bottom: 1px solid var(--line); color: #3d5661; font-size: 14px; }
.knowledge-list a:last-child { border-bottom: 0; }
.knowledge-list a:hover { color: var(--teal); }
.knowledge-list time { color: #8ca0a7; font-size: 12px; }

/* Detail pages */
.breadcrumb-bar { background: #f2f6f6; border-bottom: 1px solid var(--line); }
.breadcrumb { min-height: 58px; display: flex; align-items: center; flex-wrap: wrap; gap: 9px; color: var(--muted); font-size: 13px; }
.breadcrumb a:hover { color: var(--teal); }
.breadcrumb .sep { color: #aababc; }
.breadcrumb .current { color: var(--ink); font-weight: 650; }

.product-overview { padding: 72px 0 84px; }
.product-layout { display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(430px, .97fr); gap: 68px; align-items: start; }
.product-gallery { position: sticky; top: 76px; }
.main-visual { position: relative; min-height: 560px; display: grid; place-items: center; padding: 34px; overflow: hidden; background: linear-gradient(145deg, #f7faf9, #e7f0f0); border: 1px solid var(--line); border-radius: var(--radius); }
.main-visual::before { position: absolute; width: 420px; height: 420px; content: ""; background: rgba(255,255,255,.72); border: 1px solid #d9e7e7; border-radius: 50%; }
.main-visual img { position: relative; z-index: 1; width: 92%; height: 470px; object-fit: contain; transition: opacity .2s ease, transform .25s ease; }
.main-visual:hover img { transform: scale(1.025); }
.visual-badge { position: absolute; z-index: 2; top: 22px; left: 22px; padding: 7px 12px; color: #fff; background: var(--teal); border-radius: 999px; font-size: 11px; font-weight: 800; }
.zoom-note { position: absolute; z-index: 2; right: 20px; bottom: 18px; display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 11px; }
.thumb-list { margin-top: 14px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.gallery-thumb { min-height: 100px; display: grid; place-items: center; padding: 10px; background: #f4f8f7; border: 1px solid var(--line); border-radius: 11px; cursor: pointer; transition: border .2s, background .2s; }
.gallery-thumb.active, .gallery-thumb:hover { background: #fff; border-color: var(--teal); box-shadow: inset 0 0 0 1px var(--teal); }
.gallery-thumb img { width: 100%; height: 78px; object-fit: contain; }
.gallery-thumb .detail-swatch { width: 65px; height: 65px; border-radius: 12px; background: linear-gradient(135deg, var(--teal), var(--navy)); }

.product-summary { padding-top: 5px; }
.product-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 19px; }
.pill { display: inline-flex; align-items: center; min-height: 27px; padding: 3px 10px; color: var(--teal-dark); background: #e9f6f4; border-radius: 999px; font-size: 11px; font-weight: 800; letter-spacing: .04em; }
.pill-amber { color: #875b00; background: #fff2d9; }
.product-model { margin-bottom: 9px; color: var(--teal); font-size: 14px; font-weight: 850; letter-spacing: .12em; }
.product-heading { margin-bottom: 20px; font-size: clamp(34px, 3.8vw, 53px); line-height: 1.13; letter-spacing: -.045em; }
.product-intro { margin-bottom: 25px; color: var(--muted); font-size: 16px; }
.feature-chips { margin: 27px 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 11px; }
.feature-chip { min-height: 94px; display: grid; align-content: center; padding: 14px; background: #f2f7f7; border: 1px solid #e3ecec; border-radius: 12px; }
.feature-chip strong, .feature-chip span { display: block; }
.feature-chip strong { color: var(--teal-dark); font-size: 15px; }
.feature-chip span { margin-top: 3px; color: var(--muted); font-size: 11px; }
.product-actions { margin: 26px 0; display: flex; flex-wrap: wrap; gap: 11px; }
.product-meta { display: grid; gap: 11px; padding-top: 23px; border-top: 1px solid var(--line); }
.product-meta li { display: grid; grid-template-columns: 86px 1fr; gap: 13px; color: var(--muted); font-size: 13px; }
.product-meta strong { color: var(--ink); }
.product-assurance { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 16px 24px; color: #546d77; font-size: 12px; }
.product-assurance span { display: flex; align-items: center; gap: 7px; }
.product-assurance .icon { width: 17px; color: var(--teal); }

.detail-section { padding: 0 0 96px; }
.detail-card { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.tab-buttons { display: flex; align-items: stretch; overflow-x: auto; background: #f3f7f7; border-bottom: 1px solid var(--line); scrollbar-width: thin; }
.tab-button { position: relative; min-width: 150px; height: 64px; padding: 0 26px; color: #5a7079; background: transparent; border: 0; border-right: 1px solid var(--line); font-weight: 750; white-space: nowrap; cursor: pointer; }
.tab-button::after { position: absolute; right: 22px; bottom: 0; left: 22px; height: 3px; content: ""; background: transparent; }
.tab-button.active { color: var(--teal); background: #fff; }
.tab-button.active::after { background: var(--teal); }
.tab-panel { display: none; padding: 52px; }
.tab-panel.active { display: block; animation: tabIn .3s ease; }
@keyframes tabIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: none; } }
.content-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; }
.content-grid h2, .tab-panel > h2 { margin-bottom: 20px; font-size: 30px; letter-spacing: -.03em; }
.content-grid p, .tab-panel > p { color: var(--muted); }
.feature-list { display: grid; gap: 15px; }
.feature-list li { position: relative; padding-left: 29px; color: #405b66; }
.feature-list li::before { position: absolute; top: .45em; left: 0; width: 18px; height: 18px; display: grid; place-items: center; color: #fff; content: "✓"; background: var(--teal); border-radius: 50%; font-size: 10px; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td { padding: 15px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.spec-table th { width: 30%; color: var(--ink); background: #f5f8f8; font-size: 13px; }
.spec-table td { color: #526a74; font-size: 14px; }
.spec-note { margin-top: 20px; padding: 14px 18px; color: #5d717a; background: #fff8e9; border-left: 3px solid var(--amber); font-size: 12px; }
.standard-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.standard-card { min-height: 120px; padding: 21px; background: #f3f7f7; border: 1px solid var(--line); border-radius: 12px; }
.standard-card strong { display: block; color: var(--teal-dark); }
.standard-card span { display: block; margin-top: 7px; color: var(--muted); font-size: 12px; }
.video-placeholder { min-height: 390px; display: grid; place-items: center; color: #fff; background: linear-gradient(rgba(8,35,48,.46), rgba(8,35,48,.8)), url("../images/pic.jpg") center/cover; border-radius: 15px; text-align: center; }
.play-button { width: 72px; height: 72px; display: grid; place-items: center; margin: 0 auto 16px; color: var(--teal); background: #fff; border: 0; border-radius: 50%; cursor: pointer; box-shadow: 0 16px 34px rgba(0,0,0,.2); }
.play-button svg { width: 25px; margin-left: 4px; }

.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.related-card { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 15px; transition: transform .2s, box-shadow .2s; }
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.related-media { min-height: 190px; display: grid; place-items: center; padding: 18px; background: #f1f6f6; }
.related-media img { width: 100%; height: 165px; object-fit: contain; }
.related-copy { padding: 18px 19px; }
.related-copy span { color: var(--teal); font-size: 10px; font-weight: 800; }
.related-copy h3 { margin: 5px 0 0; font-size: 16px; line-height: 1.4; }

/* Catalog detail */
.catalog-detail-shell { padding: 54px 0 90px; background: #f5f8f8; }
.catalog-detail-grid { display: grid; grid-template-columns: 245px minmax(0, 1fr); align-items: start; gap: 25px; }
.category-sidebar { position: sticky; top: 74px; overflow: hidden; background: #fff; border: 1px solid var(--line); }
.sidebar-title { padding: 18px 20px; color: #fff; background: var(--teal); font-size: 17px; font-weight: 800; }
.sidebar-list > li { border-bottom: 1px solid var(--line); }
.sidebar-list > li:last-child { border-bottom: 0; }
.sidebar-list a { min-height: 49px; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 18px; color: #48616c; font-size: 13px; }
.sidebar-list a:hover, .sidebar-list a.active { color: var(--teal); background: #eff7f6; }
.sidebar-list a::after { color: #9bb0b4; content: "›"; font-size: 18px; }
.sidebar-contact { margin-top: 16px; padding: 22px; color: #fff; background: var(--navy); }
.sidebar-contact small, .sidebar-contact strong { display: block; }
.sidebar-contact small { color: #a9c0c5; }
.sidebar-contact strong { margin: 8px 0 17px; font-size: 19px; }
.sidebar-contact .btn { width: 100%; min-height: 42px; font-size: 13px; }
.catalog-detail-main { display: grid; gap: 20px; }
.catalog-product-hero { display: grid; grid-template-columns: 1.03fr .97fr; gap: 35px; padding: 34px; background: #fff; border: 1px solid var(--line); }
.catalog-product-hero .main-visual { min-height: 430px; border-radius: 0; }
.catalog-product-hero .main-visual img { height: 360px; }
.catalog-product-hero .thumb-list { grid-template-columns: repeat(3, 1fr); }
.catalog-product-hero .gallery-thumb { border-radius: 0; }
.catalog-product-hero .product-heading { font-size: 38px; }
.catalog-product-hero .feature-chips { grid-template-columns: 1fr; gap: 8px; }
.catalog-product-hero .feature-chip { min-height: 58px; display: grid; grid-template-columns: 95px 1fr; align-items: center; padding: 10px 14px; border-radius: 0; }
.catalog-product-hero .feature-chip span { margin: 0; }
.catalog-tabs { background: #fff; border: 1px solid var(--line); }
.catalog-tabs .tab-buttons { color: #fff; background: var(--navy); border-bottom: 0; }
.catalog-tabs .tab-button { min-width: 130px; height: 54px; color: #cadadd; border-color: rgba(255,255,255,.1); }
.catalog-tabs .tab-button.active { color: #fff; background: var(--teal); }
.catalog-tabs .tab-button.active::after { display: none; }
.catalog-tabs .tab-panel { padding: 40px; }
.quote-callout { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 30px; padding: 28px 32px; color: #fff; background: var(--teal); }
.quote-callout h3 { margin-bottom: 5px; font-size: 24px; }
.quote-callout p { margin: 0; color: #c9f3ef; font-size: 13px; }

.modal {
  position: fixed;
  z-index: 200;
  inset: 0;
  display: none;
  place-items: center;
  padding: 24px;
  background: rgba(5,25,35,.68);
  backdrop-filter: blur(7px);
}
.modal.open { display: grid; }
.modal-dialog { width: min(560px, 100%); max-height: calc(100vh - 48px); overflow-y: auto; background: #fff; border-radius: 20px; box-shadow: 0 35px 90px rgba(0,0,0,.28); }
.modal-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; padding: 28px 30px 18px; border-bottom: 1px solid var(--line); }
.modal-head h2 { margin-bottom: 4px; font-size: 27px; }
.modal-head p { margin: 0; color: var(--muted); font-size: 13px; }
.modal-close { width: 38px; height: 38px; display: grid; flex: 0 0 auto; place-items: center; padding: 0; color: var(--muted); background: #eff4f4; border: 0; border-radius: 50%; cursor: pointer; }
.quote-form { padding: 24px 30px 30px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.form-field { display: grid; gap: 7px; }
.form-field-full { grid-column: 1 / -1; }
.form-field label { color: #435d68; font-size: 12px; font-weight: 700; }
.form-field input, .form-field textarea {
  width: 100%;
  padding: 12px 14px;
  color: var(--ink);
  background: #f6f9f9;
  border: 1px solid #dbe5e5;
  border-radius: 9px;
  outline: 0;
}
.form-field input:focus, .form-field textarea:focus { background: #fff; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(1,127,126,.1); }
.form-field textarea { min-height: 105px; resize: vertical; }
.form-note { margin: 14px 0 18px; color: var(--muted); font-size: 11px; }
.quote-form .btn { width: 100%; }
.toast { position: fixed; z-index: 300; right: 24px; bottom: 24px; max-width: 360px; padding: 14px 18px; color: #fff; background: var(--navy); border-left: 4px solid #45d5c7; border-radius: 10px; box-shadow: var(--shadow-md); opacity: 0; pointer-events: none; transform: translateY(16px); transition: opacity .25s, transform .25s; }
.toast.show { opacity: 1; transform: none; }

@media (max-width: 1180px) {
  :root { --container: min(100% - 44px, 1100px); }
  .header-main { grid-template-columns: 1fr minmax(250px, 330px) auto; gap: 22px; }
  .brand-copy, .header-phone { display: none; }
  .nav-list a { padding-inline: 17px; }
  .hero-grid { grid-template-columns: 1fr .85fr; gap: 25px; }
  .stage-card-a { right: 10px; }
  .about-grid { gap: 44px; }
  .catalog-hero-grid { grid-template-columns: .9fr 1.1fr; }
  .quick-category-grid { grid-template-columns: repeat(3, 1fr); }
  .quick-category:nth-child(3) { border-right: 1px solid var(--line); }
  .quick-category:nth-child(n+4) { border-top: 1px solid var(--line); }
  .catalog-products { grid-template-columns: repeat(2, 1fr); }
  .catalog-detail-grid { grid-template-columns: 220px minmax(0,1fr); }
  .catalog-product-hero { grid-template-columns: 1fr; }
  .catalog-product-hero .product-gallery { position: static; }
}

@media (max-width: 900px) {
  :root { --container: min(100% - 36px, 800px); }
  .section { padding: 76px 0; }
  .header-main { min-height: 76px; grid-template-columns: 1fr auto; }
  .site-brand img { width: 172px; }
  .site-search { display: none; }
  .menu-toggle { display: block; }
  .nav-inner { min-height: 52px; }
  .nav-list {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    padding: 10px 18px 18px;
    background: var(--navy);
    box-shadow: 0 18px 30px rgba(8,35,49,.2);
  }
  .nav-list.open { display: grid; }
  .nav-list li { display: block; }
  .nav-list a { min-height: 46px; padding: 0 15px; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav-list a.active::after { display: none; }
  .nav-cta { margin-left: auto; margin-right: 12px; }
  .atlas-hero, .hero-grid { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; padding: 70px 0 100px; }
  .hero-copy { max-width: 690px; }
  .hero-stage { min-height: 430px; }
  .hero-product { width: min(600px, 96%); }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .service-item:nth-child(2) { border-right: 0; }
  .service-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .product-grid, .category-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { min-height: 460px; }
  .about-copy { max-width: 700px; }
  .news-grid { grid-template-columns: 1fr; }
  .client-strip { grid-template-columns: repeat(3, 1fr); }
  .client-item:nth-child(3) { border-right: 0; }
  .client-item:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .contact-band-inner { grid-template-columns: 1fr; padding: 48px; }
  .footer-main { grid-template-columns: 1.2fr 1fr 1fr; }
  .footer-main > div:last-child { grid-column: 1 / -1; }
  .catalog-hero-grid { grid-template-columns: 1fr; padding: 62px 0 70px; }
  .catalog-stage { min-height: 410px; }
  .catalog-about { grid-template-columns: 1fr; }
  .catalog-about-media { min-height: 340px; }
  .catalog-classification { grid-template-columns: 1fr; }
  .classification-column { min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .classification-column:last-child { border-bottom: 0; }
  .knowledge-grid { grid-template-columns: 1fr; }
  .product-layout { grid-template-columns: 1fr; }
  .product-gallery { position: static; }
  .main-visual { min-height: 500px; }
  .content-grid { grid-template-columns: 1fr; gap: 32px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .catalog-detail-grid { grid-template-columns: 1fr; }
  .category-sidebar { position: static; order: 2; }
  .catalog-detail-main { order: 1; }
  .sidebar-list { display: grid; grid-template-columns: repeat(3, 1fr); }
  .sidebar-list > li { border-right: 1px solid var(--line); }
  .sidebar-contact { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 20px; }
  .sidebar-contact strong { margin-bottom: 0; }
}

@media (max-width: 640px) {
  :root { --container: calc(100% - 28px); }
  body { font-size: 15px; }
  .section { padding: 60px 0; }
  .section-sm { padding: 46px 0; }
  .topbar-note { display: none; }
  .topbar-inner { justify-content: flex-end; }
  .topbar-links { gap: 10px; }
  .header-main { min-height: 68px; }
  .site-brand img { width: 146px; }
  .language-switch { display: none; }
  .design-switch a { min-width: 30px; height: 28px; padding-inline: 7px; }
  .nav-cta { font-size: 0; }
  .nav-cta .icon { width: 21px; }
  .hero-grid { padding: 58px 0 92px; }
  .hero-title, .catalog-hero .hero-title { font-size: clamp(39px, 12vw, 52px); }
  .hero-lede { font-size: 16px; }
  .hero-stage { min-height: 330px; }
  .hero-stage::before { width: 300px; height: 300px; }
  .hero-product { width: 112%; }
  .stage-card { min-width: 140px; padding: 11px 13px; }
  .stage-card-a { top: 20px; right: 0; }
  .stage-card-b { bottom: 22px; left: 0; }
  .hero-trust { align-items: flex-start; flex-direction: column; gap: 10px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-item { min-height: 82px; border-right: 0; border-bottom: 1px solid var(--line); }
  .service-item:nth-child(3) { border-bottom: 1px solid var(--line); }
  .service-item:last-child { border-bottom: 0; }
  .section-head { align-items: flex-start; flex-direction: column; margin-bottom: 30px; }
  .section-title { font-size: 32px; }
  .product-grid, .category-grid, .catalog-products { grid-template-columns: 1fr; }
  .product-media { min-height: 245px; }
  .product-media img { height: 200px; }
  .check-list { grid-template-columns: 1fr; }
  .about-visual { min-height: 390px; }
  .about-panel { right: 14px; bottom: 14px; left: 14px; padding: 19px; }
  .about-panel strong { font-size: 22px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { min-height: 120px; border-bottom: 1px solid rgba(255,255,255,.14); }
  .stat-item:nth-child(2) { border-right: 0; }
  .stat-item:nth-child(n+3) { border-bottom: 0; }
  .news-feature { min-height: 380px; padding: 28px; }
  .news-feature h3 { font-size: 24px; }
  .news-item { grid-template-columns: 64px 1fr 22px; gap: 13px; padding: 17px 14px; }
  .news-item p { display: none; }
  .client-strip { grid-template-columns: repeat(2, 1fr); }
  .client-item:nth-child(2n) { border-right: 0; }
  .client-item:nth-child(3) { border-right: 1px solid var(--line); }
  .client-item:nth-child(-n+4) { border-bottom: 1px solid var(--line); }
  .contact-band-inner { min-height: 0; padding: 38px 26px; }
  .contact-band h2 { font-size: 31px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 36px 24px; }
  .footer-main > div:first-child, .footer-main > div:last-child { grid-column: 1 / -1; }
  .footer-bottom-inner { align-items: flex-start; flex-direction: column; justify-content: center; gap: 4px; padding: 16px 0; }
  .floating-tools { right: 13px; bottom: 15px; }
  .floating-button { width: 44px; height: 44px; border-radius: 12px; }
  .catalog-stage { min-height: 330px; }
  .catalog-stage::before { width: 310px; height: 310px; }
  .catalog-chip { right: 0; bottom: 20px; min-width: 165px; }
  .quick-category-grid { grid-template-columns: repeat(2, 1fr); }
  .quick-category { border-top: 1px solid var(--line); }
  .quick-category:nth-child(-n+2) { border-top: 0; }
  .quick-category:nth-child(3) { border-right: 0; }
  .quick-category:nth-child(2n+1) { border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
  .catalog-about-copy { padding: 35px 26px; }
  .catalog-about-copy h2 { font-size: 30px; }
  .catalog-values { grid-template-columns: 1fr; }
  .catalog-product { grid-template-columns: 125px 1fr; }
  .catalog-product-media img { height: 118px; }
  .classification-links { grid-template-columns: 1fr; }
  .classification-column, .knowledge-panel { padding: 25px; }
  .product-overview { padding: 48px 0 62px; }
  .product-layout { gap: 38px; }
  .main-visual { min-height: 360px; padding: 20px; }
  .main-visual::before { width: 290px; height: 290px; }
  .main-visual img { height: 320px; width: 108%; }
  .thumb-list { gap: 7px; }
  .gallery-thumb { min-height: 76px; padding: 5px; }
  .gallery-thumb img { height: 62px; }
  .product-heading { font-size: 36px; }
  .feature-chips { grid-template-columns: 1fr; }
  .feature-chip { min-height: 70px; }
  .product-actions .btn { flex: 1 1 150px; }
  .tab-button { min-width: 125px; height: 58px; padding-inline: 16px; }
  .tab-panel, .catalog-tabs .tab-panel { padding: 28px 20px; }
  .standard-grid { grid-template-columns: 1fr; }
  .spec-table th, .spec-table td { display: block; width: 100%; }
  .spec-table th { padding-bottom: 6px; border-bottom: 0; }
  .spec-table td { padding-top: 6px; }
  .video-placeholder { min-height: 300px; }
  .related-grid { grid-template-columns: 1fr; }
  .catalog-detail-shell { padding: 35px 0 65px; }
  .sidebar-list { grid-template-columns: repeat(2, 1fr); }
  .sidebar-contact { grid-template-columns: 1fr; }
  .catalog-product-hero { padding: 20px; }
  .catalog-product-hero .main-visual { min-height: 320px; }
  .catalog-product-hero .main-visual img { height: 280px; }
  .catalog-product-hero .product-heading { font-size: 32px; }
  .catalog-product-hero .feature-chip { grid-template-columns: 82px 1fr; }
  .quote-callout { grid-template-columns: 1fr; padding: 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .modal-head, .quote-form { padding-right: 21px; padding-left: 21px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

:focus-visible { outline: 3px solid rgba(243,169,40,.75); outline-offset: 3px; }

/* Scheme C: catalog structure with the darker Atlas brand language */
.theme-fusion {
  --ink: #0a2a3a;
  --ink-2: #244a59;
  --muted: #657d87;
  --line: #d8e5e6;
  --soft: #f1f6f6;
  --teal: #07958f;
  --teal-2: #20bdb2;
  --teal-dark: #05736f;
  --navy: #082736;
  --navy-2: #0f3b4d;
  --shadow-sm: 0 14px 40px rgba(8, 39, 54, .09);
  --shadow-md: 0 28px 72px rgba(6, 31, 44, .16);
}

.theme-fusion .site-topbar {
  color: #bad0d5;
  background: #061f2c;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.theme-fusion .topbar-note strong { color: #fff; }
.theme-fusion .topbar-links a:hover { color: #63e2d6; }
.theme-fusion .site-header { border-bottom: 1px solid rgba(7,149,143,.12); }
.theme-fusion .site-nav {
  background: #0a303f;
  box-shadow: 0 8px 28px rgba(3,24,35,.16);
}
.theme-fusion .nav-list a:hover,
.theme-fusion .nav-list a.active { background: rgba(27,193,180,.14); }
.theme-fusion .nav-list a.active::after { background: #4dd6ca; }
.theme-fusion .design-switch { background: #f8fbfb; }
.theme-fusion .language-switch button.active,
.theme-fusion .design-switch a.active { background: var(--navy); }
.site-language { display: grid; justify-items: end; line-height: 1.25; white-space: nowrap; }
.site-language strong { color: var(--teal-dark); font-size: 13px; }
.site-language span { margin-top: 3px; color: var(--muted); font-size: 10px; }
.site-language a { color: inherit; text-decoration: none; }
.site-language a:hover { color: var(--teal-dark); text-decoration: underline; }

.theme-fusion .catalog-hero {
  color: #fff;
  background:
    radial-gradient(circle at 76% 48%, rgba(18,171,162,.18), transparent 28%),
    radial-gradient(circle at 92% 15%, rgba(64,211,199,.08), transparent 24%),
    linear-gradient(118deg, #061f2d 0%, #0a3040 52%, #0c3a49 100%);
  border-bottom: 0;
}
.theme-fusion .catalog-hero::before {
  inset: 0;
  width: auto;
  height: auto;
  opacity: .08;
  border: 0;
  border-radius: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.28) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: linear-gradient(90deg, transparent 8%, #000 58%, #000 100%);
}
.theme-fusion .catalog-hero::after {
  position: absolute;
  right: -180px;
  bottom: -360px;
  width: 760px;
  height: 760px;
  content: "";
  border: 100px solid rgba(73,218,207,.055);
  border-radius: 50%;
}
.theme-fusion .catalog-hero-grid { z-index: 2; min-height: 620px; padding-top: 62px; padding-bottom: 82px; }
.theme-fusion .catalog-hero .eyebrow { color: #75e8dd; }
.theme-fusion .catalog-hero .hero-title { color: #fff; font-size: clamp(48px, 5vw, 72px); }
.theme-fusion .catalog-hero .hero-title em { color: #55dacc; }
.theme-fusion .catalog-hero .hero-lede { color: #bed1d6; font-size: 17px; }
.theme-fusion .catalog-hero .btn-outline { color: #fff; background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.32); }
.theme-fusion .catalog-hero .btn-outline:hover { background: rgba(255,255,255,.11); border-color: rgba(255,255,255,.56); }
.theme-fusion .catalog-badges { color: #b9ced3; }
.theme-fusion .catalog-badges span::before { background: #4bd3c7; box-shadow: 0 0 0 5px rgba(75,211,199,.1); }
.theme-fusion .catalog-stage::before {
  width: 450px;
  height: 450px;
  background: rgba(255,255,255,.055);
  border-color: rgba(119,231,221,.2);
  box-shadow: inset 0 0 90px rgba(58,210,198,.07), 0 0 0 34px rgba(255,255,255,.018);
}
.theme-fusion .catalog-stage img { filter: drop-shadow(0 34px 28px rgba(0,0,0,.28)); }
.theme-fusion .catalog-chip {
  color: #fff;
  background: rgba(9,42,55,.82);
  border-color: rgba(255,255,255,.18);
  border-left-color: var(--amber);
  border-radius: 14px;
  box-shadow: 0 20px 45px rgba(0,0,0,.22);
  backdrop-filter: blur(14px);
}
.theme-fusion .catalog-chip span { color: #b8cdd2; }
.theme-fusion .catalog-dots button { background: rgba(255,255,255,.3); }
.theme-fusion .catalog-dots button.active { background: #53d8cc; }

.theme-fusion .quick-categories { position: relative; z-index: 4; padding: 0 0 38px; background: #f3f7f7; border-bottom: 0; }
.theme-fusion .quick-category-grid {
  margin-top: -34px;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(216,229,230,.9);
  border-radius: 18px;
  box-shadow: 0 18px 48px rgba(7,39,53,.12);
}
.theme-fusion .quick-category:first-child { border-left: 0; }
.theme-fusion .quick-category:last-child { border-right: 0; }
.theme-fusion .quick-category:hover { color: var(--teal-dark); background: #edf8f7; }
.theme-fusion .quick-category .category-icon { border-radius: 12px; }

.theme-fusion .section-soft { background: #eff5f5; }
.theme-fusion .catalog-about { border-radius: 26px; box-shadow: var(--shadow-md); }
.theme-fusion .catalog-about-media { position: relative; }
.theme-fusion .catalog-about-copy { padding: 60px 62px; }
.theme-fusion .catalog-value { background: #edf7f6; border: 1px solid #d9ecea; border-radius: 14px; }
.theme-fusion .catalog-products { gap: 22px; }
.theme-fusion .catalog-product {
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(8,39,54,.045);
}
.theme-fusion .catalog-product:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.theme-fusion .catalog-product-media { background: linear-gradient(145deg, #f6faf9, #e5efef); }
.theme-fusion .catalog-classification { gap: 18px; border: 0; }
.theme-fusion .classification-column {
  background: #fff;
  border: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 10px 32px rgba(8,39,54,.05);
}
.theme-fusion .classification-column h3 { color: var(--ink); border-color: var(--teal); }
.theme-fusion .knowledge-panel { border-radius: 18px; box-shadow: 0 10px 32px rgba(8,39,54,.05); }
.theme-fusion .client-strip { overflow: hidden; background: #fff; box-shadow: 0 10px 32px rgba(8,39,54,.05); }
.theme-fusion .contact-band {
  background:
    radial-gradient(circle at 86% 20%, rgba(67,213,202,.2), transparent 30%),
    linear-gradient(115deg, #082736, #0b4453);
  box-shadow: var(--shadow-md);
}
.theme-fusion .contact-band::after { border-color: rgba(86,223,212,.1); }
.theme-fusion .site-footer { background: #061f2c; }

.theme-fusion .breadcrumb-bar { background: #edf4f4; }
.theme-fusion .catalog-detail-shell {
  background:
    radial-gradient(circle at 85% 12%, rgba(7,149,143,.08), transparent 23%),
    #f2f6f6;
}
.theme-fusion .category-sidebar {
  overflow: hidden;
  border: 0;
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
}
.theme-fusion .sidebar-title {
  position: relative;
  padding: 21px 22px;
  background: var(--navy);
}
.theme-fusion .sidebar-title::after { position: absolute; right: 22px; bottom: 0; left: 22px; height: 3px; content: ""; background: var(--teal-2); }
.theme-fusion .sidebar-list a:hover,
.theme-fusion .sidebar-list a.active { background: #eaf6f5; }
.theme-fusion .sidebar-contact {
  border-radius: 18px;
  background: linear-gradient(145deg, #082736, #0b4352);
  box-shadow: var(--shadow-sm);
}
.theme-fusion .catalog-detail-main { gap: 24px; }
.theme-fusion .catalog-product-hero {
  gap: 40px;
  padding: 38px;
  border: 0;
  border-radius: 24px;
  box-shadow: var(--shadow-md);
}
.theme-fusion .catalog-product-hero .main-visual { border-radius: 18px; }
.theme-fusion .catalog-product-hero .gallery-thumb { border-radius: 11px; }
.theme-fusion .catalog-product-hero .feature-chip { border-radius: 12px; }
.theme-fusion .catalog-tabs {
  overflow: hidden;
  border: 0;
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
}
.theme-fusion .catalog-tabs .tab-buttons { background: var(--navy); }
.theme-fusion .catalog-tabs .tab-button.active { background: var(--teal); }
.theme-fusion .quote-callout {
  overflow: hidden;
  background: linear-gradient(115deg, var(--navy), #0a5660);
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
}
.theme-fusion .related-card { border-radius: 18px; }
.theme-fusion .modal-dialog { border-radius: 24px; }

@media (max-width: 1200px) {
  .theme-fusion .catalog-hero-grid { min-height: 580px; }
  .theme-fusion .catalog-product-hero { padding: 30px; }
}

@media (max-width: 900px) {
  .theme-fusion .catalog-hero-grid { min-height: auto; padding-top: 66px; padding-bottom: 92px; }
  .theme-fusion .catalog-stage { min-height: 420px; }
  .theme-fusion .quick-category-grid { margin-top: -26px; }
  .theme-fusion .catalog-about-copy { padding: 48px 42px; }
  .theme-fusion .classification-column { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
}

@media (max-width: 620px) {
  .theme-fusion .catalog-hero-grid { padding-top: 52px; padding-bottom: 72px; }
  .theme-fusion .catalog-hero .hero-title { font-size: clamp(40px, 12vw, 52px); }
  .theme-fusion .catalog-stage { min-height: 340px; }
  .theme-fusion .catalog-stage::before { width: 310px; height: 310px; }
  .theme-fusion .quick-categories { padding-bottom: 26px; }
  .theme-fusion .quick-category-grid { margin-top: -18px; border-radius: 14px; }
  .theme-fusion .catalog-about-copy { padding: 36px 26px; }
  .theme-fusion .catalog-product { border-radius: 14px; }
  .theme-fusion .catalog-product-hero { padding: 20px; border-radius: 18px; }
  .theme-fusion .catalog-tabs { border-radius: 16px; }
}

/* Complete multi-page site */
.page-inner { background: #fff; }
.page-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 82% 28%, rgba(14, 164, 157, .42), transparent 25%),
    linear-gradient(120deg, #071f2d 0%, #0a3946 66%, #087b78 130%);
}
.page-hero::before,
.page-hero::after {
  position: absolute;
  z-index: -1;
  content: "";
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 50%;
}
.page-hero::before { width: 420px; height: 420px; top: -260px; right: 2%; }
.page-hero::after { width: 260px; height: 260px; right: 18%; bottom: -210px; }
.page-hero-inner {
  min-height: 330px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  padding-block: 68px;
}
.page-hero-inner > div:first-child { max-width: 760px; }
.page-kicker,
.section-label {
  display: inline-block;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .18em;
}
.page-kicker { margin-bottom: 14px; color: #7ae0d9; }
.page-hero h1 { max-width: 800px; margin-bottom: 16px; font-size: clamp(38px, 4.7vw, 64px); line-height: 1.12; letter-spacing: -.04em; }
.page-hero p { max-width: 720px; margin: 0; color: #d2e3e6; font-size: 18px; }
.page-hero-mark { color: rgba(255,255,255,.08); font-size: clamp(76px, 11vw, 150px); font-weight: 900; letter-spacing: -.07em; white-space: nowrap; }
.inner-section { padding: 92px 0; }
.section-soft { background: #f2f6f6; }
.section-heading { max-width: 760px; margin-bottom: 38px; }
.section-heading.center { margin-right: auto; margin-left: auto; text-align: center; }
.section-heading.split { max-width: none; display: flex; align-items: end; justify-content: space-between; gap: 50px; }
.section-heading.split > p { max-width: 500px; margin: 0; }
.section-heading h2,
.story-copy h2,
.contact-info h2,
.download-toolbar h2 { margin: 8px 0 14px; font-size: clamp(30px, 3.6vw, 48px); line-height: 1.2; letter-spacing: -.035em; }
.section-heading p,
.story-copy p,
.contact-info > p { color: var(--muted); }
.prototype-note {
  margin-top: 28px;
  padding: 15px 18px;
  color: #47646d;
  background: #eaf5f4;
  border-left: 4px solid var(--teal);
  border-radius: 0 10px 10px 0;
  font-size: 14px;
}

/* About and gallery */
.story-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); gap: clamp(48px, 7vw, 96px); align-items: center; }
.story-photo { position: relative; min-height: 520px; overflow: hidden; border-radius: 28px; box-shadow: var(--shadow-md); }
.story-photo::after { position: absolute; inset: 0; content: ""; background: linear-gradient(180deg, transparent 58%, rgba(6,31,44,.72)); }
.story-photo img { width: 100%; height: 100%; min-height: 520px; object-fit: cover; }
.story-photo span { position: absolute; z-index: 1; right: 28px; bottom: 24px; left: 28px; color: #e2edef; font-size: 13px; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 34px; }
.stat-row > div { padding: 18px; background: #f2f7f7; border-radius: 14px; }
.stat-row strong,
.stat-row span { display: block; }
.stat-row strong { color: var(--teal); font-size: 30px; line-height: 1.2; }
.stat-row span { margin-top: 4px; color: var(--muted); font-size: 13px; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value-card { position: relative; min-height: 260px; padding: 34px; overflow: hidden; background: #fff; border-radius: 20px; box-shadow: var(--shadow-sm); }
.value-card > span { position: absolute; top: 12px; right: 20px; color: #e8efef; font-size: 72px; font-weight: 900; line-height: 1; }
.value-card h3 { position: relative; margin: 54px 0 12px; font-size: 24px; }
.value-card p { position: relative; margin: 0; color: var(--muted); }
.timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-bottom: 54px; border-top: 1px solid var(--line); }
.timeline article { position: relative; padding: 36px 36px 12px 0; }
.timeline article::before { position: absolute; top: -6px; left: 0; width: 11px; height: 11px; content: ""; background: var(--teal); border: 3px solid #fff; border-radius: 50%; box-shadow: 0 0 0 1px var(--teal); }
.timeline strong { color: var(--teal); font-size: 13px; }
.timeline h3 { margin: 8px 0; font-size: 21px; }
.timeline p { color: var(--muted); font-size: 14px; }
.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 42px 48px; color: #fff; background: linear-gradient(120deg, var(--navy), #0a5c62); border-radius: 24px; }
.cta-band h2 { margin-bottom: 6px; }
.cta-band p { margin: 0; color: #cee0e3; }
.cta-band > div:last-child { display: flex; gap: 12px; flex: 0 0 auto; }
.btn-ghost-light { color: #fff; background: transparent; border-color: rgba(255,255,255,.45); }
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 360px; gap: 22px; }
.gallery-card { position: relative; overflow: hidden; margin: 0; background: #edf3f3; border-radius: 20px; }
.gallery-card.gallery-wide { grid-column: span 2; }
.gallery-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.gallery-card:not(:first-child) img { padding: 46px; object-fit: contain; }
.gallery-card:hover img { transform: scale(1.04); }
.gallery-card figcaption { position: absolute; inset: auto 0 0; padding: 72px 24px 22px; color: #fff; background: linear-gradient(transparent, rgba(5,28,40,.88)); }
.gallery-card figcaption span { color: #66d7d1; font-size: 12px; font-weight: 800; }
.gallery-card figcaption h3 { margin: 3px 0; }
.gallery-card figcaption p { margin: 0; color: #cee0e3; font-size: 13px; }

/* Product and consumable listings */
.listing-layout { display: grid; grid-template-columns: 270px minmax(0, 1fr); gap: 32px; align-items: start; }
.filter-sidebar { position: sticky; top: 80px; overflow: hidden; background: #fff; border-radius: 18px; box-shadow: var(--shadow-sm); }
.filter-title { padding: 24px; color: #fff; background: var(--navy); }
.filter-title span { color: #61d4ce; font-size: 10px; font-weight: 800; letter-spacing: .16em; }
.filter-title h2 { margin: 4px 0 0; font-size: 22px; }
.filter-sidebar nav a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 20px; color: #425e68; border-bottom: 1px solid #edf2f2; font-size: 14px; transition: .2s ease; }
.filter-sidebar nav a:hover,
.filter-sidebar nav a.active { color: var(--teal); background: #eaf6f5; padding-left: 24px; }
.filter-sidebar nav span { color: #8ca0a7; font-size: 11px; }
.filter-help { padding: 24px; color: #fff; background: linear-gradient(145deg, #0b3847, #0b6568); }
.filter-help strong { display: block; }
.filter-help p { margin: 6px 0 16px; color: #c7dcdf; font-size: 13px; }
.filter-help .btn { width: 100%; color: var(--teal); background: #fff; }
.listing-main { min-width: 0; }
.listing-toolbar { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0 22px; margin-bottom: 22px; background: #fff; border-radius: 14px; box-shadow: var(--shadow-sm); }
.listing-toolbar strong,
.listing-toolbar span { display: block; }
.listing-toolbar span { color: var(--muted); font-size: 12px; }
.inline-search { display: flex; }
.inline-search input { width: 220px; height: 40px; padding: 0 13px; border: 1px solid var(--line); border-radius: 9px 0 0 9px; outline: none; }
.inline-search button { padding: 0 16px; color: #fff; background: var(--teal); border: 0; border-radius: 0 9px 9px 0; cursor: pointer; }
.product-list-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.listing-product { overflow: hidden; background: #fff; border-radius: 18px; box-shadow: 0 10px 32px rgba(15,48,58,.07); transition: transform .25s var(--ease), box-shadow .25s var(--ease); }
.listing-product:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.listing-product-media { position: relative; min-height: 235px; display: grid; place-items: center; overflow: hidden; background: linear-gradient(145deg, #f5f8f8, #e8f1f1); }
.listing-product-media > span { position: absolute; z-index: 1; top: 14px; left: 14px; padding: 4px 8px; color: #fff; background: var(--teal); border-radius: 6px; font-size: 9px; font-weight: 800; letter-spacing: .12em; }
.listing-product-media img { width: 82%; height: 205px; object-fit: contain; transition: transform .45s var(--ease); }
.listing-product:hover .listing-product-media img { transform: scale(1.04); }
.listing-product-copy { padding: 22px; }
.listing-product-copy small { color: var(--teal); font-size: 11px; font-weight: 700; }
.listing-product-copy h2 { min-height: 52px; margin: 6px 0 1px; font-size: 19px; line-height: 1.35; }
.listing-product-copy > strong { color: #769097; font-size: 12px; letter-spacing: .08em; }
.listing-product-copy p { min-height: 48px; margin: 12px 0 16px; color: var(--muted); font-size: 13px; }
.listing-product-copy > div { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.text-link { color: var(--teal); font-weight: 700; }
.mini-quote { padding: 5px 10px; color: var(--teal); background: #e9f6f5; border-radius: 7px; font-size: 12px; font-weight: 700; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 38px; }
.pagination a { width: 40px; height: 40px; display: grid; place-items: center; background: #fff; border: 1px solid var(--line); border-radius: 9px; font-weight: 700; }
.pagination a:hover,
.pagination a.active { color: #fff; background: var(--teal); border-color: var(--teal); }
.consumable-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.consumable-card { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 20px; transition: .25s var(--ease); }
.consumable-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.consumable-media { position: relative; height: 280px; display: grid; place-items: center; background: #eff5f5; }
.consumable-media span { position: absolute; top: 16px; right: 18px; color: #c5d3d5; font-size: 38px; font-weight: 900; }
.consumable-media img { width: 76%; height: 220px; object-fit: contain; }
.consumable-card > div:last-child { padding: 26px; }
.consumable-card h2 { margin-bottom: 8px; font-size: 22px; }
.consumable-card p { min-height: 54px; color: var(--muted); }
.standard-guide { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; margin-top: 60px; padding: 45px; color: #fff; background: var(--navy); border-radius: 24px; }
.standard-guide h2 { margin: 8px 0 0; font-size: 30px; }
.standard-guide ol { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 0; padding: 0; list-style: none; counter-reset: guide; }
.standard-guide li { position: relative; padding: 18px 18px 18px 48px; background: rgba(255,255,255,.07); border-radius: 12px; counter-increment: guide; }
.standard-guide li::before { position: absolute; left: 17px; content: counter(guide, decimal-leading-zero); color: #6bd5cf; font-size: 11px; font-weight: 800; }
.standard-guide li strong,
.standard-guide li span { display: block; }
.standard-guide li span { color: #c8dade; font-size: 12px; }

/* Resources and articles */
.support-entry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.support-entry-grid a { position: relative; min-height: 230px; padding: 30px; overflow: hidden; color: #fff; background: linear-gradient(145deg, #0b2f40, #0b6669); border-radius: 20px; transition: transform .25s var(--ease); }
.support-entry-grid a:nth-child(even) { color: var(--ink); background: #eaf3f3; }
.support-entry-grid a:hover { transform: translateY(-5px); }
.support-entry-grid span { color: #66d9d3; font-size: 13px; font-weight: 800; }
.support-entry-grid h2 { margin: 50px 0 8px; font-size: 24px; }
.support-entry-grid p { margin: 0; color: #c8dcdf; font-size: 14px; }
.support-entry-grid a:nth-child(even) p { color: var(--muted); }
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.article-card { padding: 28px; background: #fff; border-radius: 18px; box-shadow: var(--shadow-sm); }
.article-card.article-featured { grid-column: span 2; grid-row: span 2; display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.article-visual { position: relative; min-height: 330px; display: grid; place-items: center; background: #e8f1f1; border-radius: 14px; }
.article-visual img { width: 84%; height: 290px; object-fit: contain; }
.article-visual span { position: absolute; top: 14px; left: 14px; padding: 5px 9px; color: #fff; background: var(--teal); border-radius: 7px; font-size: 10px; font-weight: 700; }
.article-card time { color: #84999f; font-size: 12px; }
.article-card h2 { margin: 12px 0; font-size: 21px; line-height: 1.4; }
.article-featured h2 { font-size: 28px; }
.article-card p { color: var(--muted); }
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.video-card { position: relative; padding: 0; overflow: hidden; color: var(--ink); background: #eef4f4; border: 0; border-radius: 18px; text-align: left; cursor: pointer; }
.video-card img { width: 100%; height: 260px; padding: 38px; object-fit: contain; }
.video-card strong { display: block; padding: 20px 70px 22px 22px; background: #fff; }
.video-card small { position: absolute; right: 20px; bottom: 25px; color: var(--muted); }
.video-play { position: absolute; z-index: 1; top: 110px; left: calc(50% - 24px); width: 48px; height: 48px; display: grid; place-items: center; padding-left: 3px; color: #fff; background: rgba(1,127,126,.9); border-radius: 50%; }
.article-layout { display: grid; grid-template-columns: minmax(0, 820px) 290px; gap: 68px; align-items: start; }
.article-body { color: #36515d; font-size: 17px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 20px; padding-bottom: 18px; margin-bottom: 30px; color: #789097; border-bottom: 1px solid var(--line); font-size: 13px; }
.article-meta span:first-child { color: var(--teal); font-weight: 700; }
.article-lead { color: var(--ink); font-size: 21px; line-height: 1.75; }
.article-body h2 { margin: 42px 0 14px; color: var(--ink); font-size: 28px; }
.article-body ul { padding-left: 22px; list-style: disc; }
.article-body li { margin: 8px 0; }
.article-body blockquote { margin: 34px 0; padding: 25px 28px; color: var(--ink); background: #edf6f5; border-left: 4px solid var(--teal); font-size: 20px; font-weight: 600; }
.article-cover { width: 100%; max-height: 470px; margin-bottom: 30px; object-fit: cover; border-radius: 18px; }
.compare-table { margin: 20px 0 28px; border: 1px solid var(--line); border-radius: 14px; }
.compare-table > div { display: grid; grid-template-columns: 120px 1fr 1.5fr; gap: 20px; padding: 18px 20px; }
.compare-table > div + div { border-top: 1px solid var(--line); }
.compare-table span { color: var(--muted); }
.article-video { display: flex; align-items: center; gap: 18px; padding: 24px; margin: 32px 0; color: #fff; background: linear-gradient(120deg, var(--navy), #0a5b61); border-radius: 16px; }
.article-video button { width: 54px; height: 54px; color: #fff; background: var(--teal); border: 0; border-radius: 50%; cursor: pointer; }
.article-video strong,
.article-video span { display: block; }
.article-video span { color: #c8dcdf; font-size: 13px; }
.download-box { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 24px; margin: 30px 0; background: #f2f6f6; border-radius: 15px; }
.download-box strong,
.download-box span { display: block; }
.download-box span { color: var(--muted); font-size: 13px; }
.article-cta { margin-top: 50px; padding: 34px; color: #fff; background: var(--teal); border-radius: 18px; }
.article-cta h2 { margin-top: 0; color: #fff; }
.article-cta p { color: #e1f1f0; }
.article-aside { position: sticky; top: 80px; display: grid; gap: 24px; }
.toc-card,
.aside-product { padding: 24px; background: #f2f6f6; border-radius: 16px; }
.toc-card strong { display: block; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.toc-card a { display: block; padding: 8px 0; color: #547078; font-size: 14px; }
.toc-card a:hover { color: var(--teal); }
.aside-product { background: #e7f2f2; }
.aside-product img { width: 100%; height: 170px; object-fit: contain; }
.aside-product small { color: var(--teal); font-weight: 700; }
.aside-product h3 { margin: 4px 0; font-size: 24px; }
.aside-product p { color: var(--muted); font-size: 13px; }
.aside-product a { color: var(--teal); font-weight: 700; }

/* Download, news, forms, search */
.download-toolbar { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 30px; }
.download-toolbar h2 { margin-bottom: 0; }
.download-toolbar form { display: flex; align-items: center; }
.download-toolbar input,
.download-toolbar select { height: 46px; padding: 0 14px; background: #fff; border: 1px solid var(--line); outline: none; }
.download-toolbar input { width: 280px; border-radius: 9px 0 0 9px; }
.download-toolbar select { border-left: 0; }
.download-toolbar .btn { height: 46px; border-radius: 0 9px 9px 0; }
.download-list { overflow: hidden; background: #fff; border-radius: 18px; box-shadow: var(--shadow-sm); }
.download-head,
.download-row { display: grid; grid-template-columns: 1fr 140px 80px; gap: 20px; align-items: center; }
.download-head { padding: 14px 22px; color: #688087; background: #e8f0f0; font-size: 12px; font-weight: 700; }
.download-row { padding: 20px 22px; border-top: 1px solid #e9efef; }
.download-row > div { display: flex; align-items: center; gap: 16px; }
.download-row p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.download-row > span { color: var(--muted); font-size: 13px; }
.download-row > a { color: var(--teal); font-weight: 700; }
.file-badge { min-width: 44px; height: 52px; display: grid; place-items: center; color: #fff; background: var(--teal); border-radius: 7px; font-size: 10px; font-weight: 800; }
.copyright-note { display: flex; gap: 30px; padding: 22px 26px; margin-top: 24px; background: #fff7e7; border: 1px solid #f4dfb2; border-radius: 14px; }
.copyright-note strong { flex: 0 0 auto; color: #8a5a00; }
.copyright-note p { margin: 0; color: #7b6740; font-size: 14px; }
.news-feature { display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; color: #fff; background: var(--navy); border-radius: 24px; }
.news-feature > div:first-child { padding: 52px; }
.news-feature span { color: #6edbd5; font-size: 11px; font-weight: 800; letter-spacing: .18em; }
.news-feature time { display: block; margin-top: 18px; color: #9bb0b6; font-size: 12px; }
.news-feature h2 { margin: 12px 0; font-size: clamp(28px, 3.1vw, 42px); line-height: 1.3; }
.news-feature p { color: #c8dade; }
.news-feature-image img { width: 100%; height: 100%; min-height: 460px; object-fit: cover; }
.news-filter { display: flex; align-items: center; justify-content: space-between; gap: 30px; margin: 55px 0 25px; }
.news-filter > div { display: flex; flex-wrap: wrap; gap: 8px; }
.news-filter a { padding: 7px 14px; color: #58727a; background: #eff4f4; border-radius: 999px; font-size: 13px; }
.news-filter a.active,
.news-filter a:hover { color: #fff; background: var(--teal); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; }
.news-card-media { position: relative; height: 230px; display: grid; place-items: center; background: #edf4f4; }
.news-card-media img { width: 78%; height: 190px; object-fit: contain; }
.news-card-media span { position: absolute; bottom: 14px; left: 14px; padding: 5px 9px; color: #fff; background: var(--teal); border-radius: 6px; font-size: 11px; }
.news-card > div:last-child { padding: 24px; }
.news-card time { color: #84999f; font-size: 12px; }
.news-card h2 { margin: 8px 0; font-size: 20px; line-height: 1.45; }
.news-card p { min-height: 72px; color: var(--muted); font-size: 14px; }
.contact-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(440px, 1.1fr); gap: 80px; align-items: start; }
.contact-card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 34px; }
.contact-card { min-height: 150px; padding: 22px; background: #f0f5f5; border-radius: 15px; }
.contact-card span,
.contact-card strong,
.contact-card small { display: block; }
.contact-card span { color: var(--teal); font-size: 11px; font-weight: 800; letter-spacing: .1em; }
.contact-card strong { margin: 12px 0 3px; font-size: 17px; }
.contact-card small { color: var(--muted); }
.form-card { padding: 38px; background: #fff; border-radius: 22px; box-shadow: var(--shadow-md); }
.form-head { margin-bottom: 24px; }
.form-alert { padding: 13px 15px; margin-bottom: 18px; border-radius: 9px; font-size: 14px; font-weight: 700; }
.form-alert.success { color: #075f5e; background: #e3f4f1; border: 1px solid #b9e1dc; }
.form-alert.error { color: #8d3832; background: #fff0ee; border: 1px solid #f1c9c4; }
.page-alert-wrap { padding-top: 18px; }
.form-head > span { color: var(--teal); font-size: 11px; font-weight: 800; letter-spacing: .15em; }
.form-head h2 { margin: 5px 0 2px; font-size: 30px; }
.form-head p { color: var(--muted); font-size: 13px; }
.field-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field { display: grid; gap: 6px; color: #3f5963; font-size: 13px; font-weight: 700; }
.captcha-field { grid-column: 1 / -1; display: grid; gap: 7px; color: #3f5963; font-size: 13px; font-weight: 700; }
.captcha-control { display: grid; grid-template-columns: minmax(140px, 1fr) 160px 58px; gap: 9px; align-items: center; }
.captcha-control input { width: 100%; min-width: 0; height: 52px; padding: 0 14px; color: var(--ink); background: #fff; border: 1px solid #cadadd; border-radius: 10px; letter-spacing: .12em; }
.captcha-control input:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(1,127,126,.1); }
.captcha-image-button { height: 52px; padding: 0; overflow: hidden; background: #edf6f5; border: 1px solid #d5e4e3; border-radius: 10px; cursor: pointer; }
.captcha-image-button img { width: 100%; height: 100%; display: block; object-fit: contain; }
.captcha-refresh { height: 52px; padding: 0 6px; color: #496871; background: #e9f2f1; border: 0; border-radius: 10px; cursor: pointer; font-size: 11px; }
.captcha-refresh:hover { color: #fff; background: var(--teal); }
.captcha-field > small { color: #809198; font-size: 11px; font-weight: 400; }
.field-full { grid-column: 1 / -1; }
.field input,
.field select,
.field textarea { width: 100%; min-width: 0; padding: 11px 13px; color: var(--ink); background: #f6f8f8; border: 1px solid #dce6e6; border-radius: 9px; outline: none; }
.field input,
.field select { height: 46px; }
.field textarea { min-height: 125px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus { background: #fff; border-color: var(--teal-2); box-shadow: 0 0 0 3px rgba(1,127,126,.1); }
.field small { color: var(--muted); font-weight: 400; }
.privacy-check { display: flex; align-items: flex-start; gap: 8px; margin: 20px 0; color: var(--muted); font-size: 13px; }
.privacy-check input { margin-top: 5px; }
.map-section { padding: 0 0 90px; }
.map-card { min-height: 330px; display: grid; grid-template-columns: 1fr 1fr; align-items: center; overflow: hidden; color: #fff; background: var(--navy); border-radius: 24px; }
.map-card > div:first-child { padding: 48px; }
.map-card span { color: #62d5cf; font-size: 11px; font-weight: 800; letter-spacing: .16em; }
.map-card h2 { margin: 10px 0; font-size: 30px; }
.map-card p { color: #c5dadd; }
.map-card a { color: #75ddd7; font-weight: 700; }
.map-pattern { position: relative; align-self: stretch; overflow: hidden; background: linear-gradient(145deg, #0b5f64, #0c3b4a); }
.map-pattern i { position: absolute; width: 70%; height: 1px; background: rgba(255,255,255,.18); transform: rotate(-32deg); }
.map-pattern i:nth-child(1) { top: 10%; left: -10%; }
.map-pattern i:nth-child(2) { top: 40%; left: 30%; }
.map-pattern i:nth-child(3) { top: 70%; left: -5%; }
.map-pattern i:nth-child(4) { top: 55%; left: 25%; width: 14px; height: 14px; background: #fff; border: 6px solid var(--teal-2); border-radius: 50%; box-shadow: 0 0 0 15px rgba(255,255,255,.12); }
.inquiry-layout { display: grid; grid-template-columns: 370px minmax(0, 1fr); gap: 44px; align-items: start; }
.inquiry-side { position: sticky; top: 80px; }
.inquiry-side h2 { margin: 7px 0 22px; font-size: 34px; }
.inquiry-items { display: grid; gap: 12px; }
.inquiry-item { display: grid; grid-template-columns: 82px 1fr; gap: 15px; align-items: center; padding: 15px; background: #fff; border-radius: 14px; box-shadow: var(--shadow-sm); }
.inquiry-item img { width: 82px; height: 72px; object-fit: contain; }
.inquiry-item small,
.inquiry-item strong,
.inquiry-item span { display: block; }
.inquiry-item small { color: var(--teal); font-size: 10px; font-weight: 800; }
.inquiry-item span { color: var(--muted); font-size: 12px; }
.inquiry-item.optional { opacity: .75; }
.inquiry-tip { padding: 24px; margin-top: 20px; color: #fff; background: var(--navy); border-radius: 16px; }
.inquiry-tip ul { padding-left: 18px; margin-top: 9px; list-style: disc; }
.inquiry-tip li { color: #c9dcdf; font-size: 13px; }
.search-page { max-width: 920px; }
.search-large { display: flex; max-width: 820px; padding: 8px; background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow-sm); }
.search-large input { min-width: 0; flex: 1; height: 48px; padding: 0 14px; background: transparent; border: 0; outline: none; }
.search-large .btn { min-width: 110px; }
.search-summary { display: flex; justify-content: space-between; gap: 30px; padding: 42px 0 16px; border-bottom: 1px solid var(--line); }
.search-summary span { color: var(--muted); font-size: 13px; }
.search-results article { display: grid; grid-template-columns: 70px 1fr; gap: 22px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.search-results article > span { width: fit-content; height: fit-content; padding: 4px 9px; color: var(--teal); background: #e8f5f4; border-radius: 6px; font-size: 11px; font-weight: 700; }
.search-results h2 { margin: 0 0 5px; font-size: 21px; }
.search-results h2 a:hover { color: var(--teal); }
.search-results p { margin: 0; color: var(--muted); }
.search-empty { padding: 60px 0; text-align: center; }
.search-empty strong { font-size: 24px; }
.search-empty p { color: var(--muted); }
.error-page { min-height: 680px; display: grid; place-items: center; padding: 90px 0; background: radial-gradient(circle at 80% 20%, rgba(14,164,157,.13), transparent 25%), #f2f7f7; }
.error-inner { max-width: 820px; text-align: center; }
.error-code { margin-bottom: -30px; color: #dbe8e8; font-size: clamp(120px, 24vw, 260px); font-weight: 900; line-height: .8; letter-spacing: -.09em; }
.error-inner h1 { margin: 10px 0; font-size: clamp(34px, 5vw, 58px); }
.error-inner > p { color: var(--muted); font-size: 18px; }
.error-inner .search-large { margin: 34px auto 26px; text-align: left; }
.error-actions { display: flex; align-items: center; justify-content: center; gap: 13px; flex-wrap: wrap; }
.error-server { background: radial-gradient(circle at 78% 18%, rgba(243,169,40,.13), transparent 24%), #f4f7f7; }
.error-server .error-code { color: #e7e3d8; }
.error-symbol { width: 150px; height: 150px; display: grid; place-items: center; margin: 0 auto 26px; color: #fff; background: linear-gradient(145deg, var(--teal), #0a5961); border-radius: 50%; box-shadow: 0 24px 60px rgba(1,127,126,.22); font-size: 92px; font-weight: 300; line-height: 1; }
.error-status { max-width: 570px; display: flex; align-items: center; justify-content: center; gap: 14px; padding: 16px 20px; margin: 28px auto; background: #fff; border: 1px solid var(--line); border-radius: 13px; text-align: left; box-shadow: var(--shadow-sm); }
.error-status > span { width: 12px; height: 12px; flex: 0 0 auto; background: var(--amber); border-radius: 50%; box-shadow: 0 0 0 6px rgba(243,169,40,.14); }
.error-status strong,
.error-status small { display: block; }
.error-status small { color: var(--muted); }
.error-help { max-width: 650px; display: grid; grid-template-columns: 1fr repeat(3, auto); gap: 14px; align-items: center; padding: 18px 22px; margin: 30px auto; color: #526d75; background: #fff; border: 1px solid var(--line); border-radius: 14px; font-size: 13px; text-align: left; }
.error-help strong { color: var(--ink); }
.error-help span { padding-left: 14px; border-left: 1px solid var(--line); }

@media (max-width: 1100px) {
  .page-hero-mark { display: none; }
  .product-list-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .support-entry-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { gap: 44px; }
  .article-layout { grid-template-columns: minmax(0, 1fr) 260px; gap: 38px; }
}

@media (max-width: 900px) {
  .page-hero-inner { min-height: 280px; padding-block: 55px; }
  .inner-section { padding: 70px 0; }
  .story-grid,
  .listing-layout,
  .contact-grid,
  .inquiry-layout,
  .article-layout { grid-template-columns: 1fr; }
  .story-photo { min-height: 440px; }
  .story-photo img { min-height: 440px; }
  .value-grid,
  .consumable-grid,
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: 1fr; border-top: 0; border-left: 1px solid var(--line); }
  .timeline article { padding: 0 0 30px 32px; }
  .timeline article::before { top: 7px; left: -6px; }
  .filter-sidebar,
  .inquiry-side,
  .article-aside { position: static; }
  .filter-sidebar nav { display: grid; grid-template-columns: repeat(2, 1fr); }
  .article-aside { grid-template-columns: repeat(2, 1fr); }
  .article-card.article-featured { grid-column: 1 / -1; grid-row: auto; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .video-grid .video-card:last-child { display: none; }
  .download-toolbar { display: block; }
  .download-toolbar form { margin-top: 20px; }
  .news-feature { grid-template-columns: 1fr; }
  .news-feature-image { order: -1; }
  .news-feature-image img { min-height: 330px; max-height: 380px; }
  .map-card { grid-template-columns: 1fr; }
  .map-pattern { min-height: 220px; }
}

@media (max-width: 620px) {
  .site-language,
  .topbar-links > span:last-child,
  .topbar-links .topbar-divider:last-of-type { display: none; }
  .page-hero-inner { min-height: 235px; padding-block: 42px; }
  .page-hero h1 { font-size: 36px; }
  .page-hero p { font-size: 15px; }
  .inner-section { padding: 52px 0; }
  .section-heading.split,
  .cta-band,
  .news-filter,
  .download-box,
  .copyright-note { display: block; }
  .section-heading.split > p { margin-top: 12px; }
  .story-photo,
  .story-photo img { min-height: 330px; }
  .stat-row,
  .value-grid,
  .gallery-grid,
  .product-list-grid,
  .consumable-grid,
  .support-entry-grid,
  .article-grid,
  .video-grid,
  .news-grid,
  .contact-card-grid,
  .article-aside { grid-template-columns: 1fr; }
  .gallery-grid { grid-auto-rows: 310px; }
  .gallery-card.gallery-wide { grid-column: auto; }
  .cta-band { padding: 32px 26px; }
  .cta-band > div:last-child { margin-top: 20px; flex-wrap: wrap; }
  .filter-sidebar nav { grid-template-columns: 1fr; }
  .listing-toolbar { min-height: 0; display: block; padding: 18px; }
  .inline-search { margin-top: 14px; }
  .inline-search input { width: 100%; min-width: 0; }
  .standard-guide { grid-template-columns: 1fr; gap: 28px; padding: 30px 24px; }
  .standard-guide ol { grid-template-columns: 1fr; }
  .article-card.article-featured { display: block; }
  .article-featured .article-visual { margin-bottom: 24px; }
  .video-grid .video-card:last-child { display: block; }
  .compare-table > div { grid-template-columns: 1fr; gap: 5px; }
  .article-body { font-size: 16px; }
  .article-lead { font-size: 18px; }
  .download-toolbar form { display: grid; grid-template-columns: 1fr; gap: 8px; }
  .download-toolbar input,
  .download-toolbar select { width: 100%; border: 1px solid var(--line); border-radius: 9px; }
  .download-toolbar .btn { border-radius: 9px; }
  .download-head { display: none; }
  .download-row { grid-template-columns: 1fr auto; }
  .download-row > span { display: none; }
  .copyright-note p { margin-top: 7px; }
  .news-feature > div:first-child { padding: 30px 24px; }
  .news-feature-image img { min-height: 250px; }
  .news-filter > div { margin-top: 14px; }
  .form-card { padding: 26px 20px; }
  .field-grid { grid-template-columns: 1fr; }
  .captcha-control { grid-template-columns: minmax(0, 1fr) 58px; }
  .captcha-control input { grid-column: 1 / -1; }
  .field-full { grid-column: auto; }
  .map-card > div:first-child { padding: 32px 24px; }
  .search-large { display: grid; grid-template-columns: 1fr; gap: 8px; }
  .search-large .btn { width: 100%; }
  .search-results article { grid-template-columns: 1fr; gap: 10px; }
  .error-code { margin-bottom: -12px; }
  .error-symbol { width: 110px; height: 110px; font-size: 68px; }
  .error-help { grid-template-columns: 1fr; }
  .error-help span { padding: 8px 0 0; border-top: 1px solid var(--line); border-left: 0; }
}

/* 2026 visual refinement layer */
:where(a, button, input, select, textarea):focus-visible {
  outline: 3px solid rgba(14, 164, 157, .32);
  outline-offset: 3px;
}
.theme-fusion { background: #f8fbfa; }
.theme-fusion .site-header {
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 10px 34px rgba(6, 31, 44, .055);
  backdrop-filter: blur(18px);
}
.theme-fusion .site-search input { background: #f2f7f6; border-color: #e3eceb; }
.theme-fusion .site-search button { box-shadow: 0 8px 18px rgba(1, 127, 126, .22); transition: transform .2s ease, background .2s ease; }
.theme-fusion .site-search button:hover { background: var(--teal-2); transform: scale(1.06); }
.theme-fusion .site-nav { border-bottom: 1px solid rgba(83, 216, 204, .12); }
.theme-fusion .nav-list a { transition: color .2s ease, background .2s ease; }
.theme-fusion .nav-cta { padding: 9px 14px; background: rgba(85, 218, 204, .12); border: 1px solid rgba(85, 218, 204, .22); border-radius: 999px; }
.theme-fusion .section { padding-block: clamp(72px, 7vw, 92px); }
.theme-fusion .section-sm { padding-block: clamp(52px, 5vw, 68px); }
.theme-fusion .section-title { letter-spacing: -.035em; }
.theme-fusion .section-copy { max-width: 550px; }
.theme-fusion .section-link { padding-bottom: 3px; border-bottom: 1px solid rgba(1, 127, 126, .25); }
.theme-fusion .section-link:hover { color: var(--teal-dark); border-color: var(--teal); }
.theme-fusion .catalog-stage img { transition: opacity .18s ease, transform .55s var(--ease); }
.theme-fusion .catalog-stage:hover img { transform: translateY(-8px) scale(1.015); }
.theme-fusion .quick-category { transition: color .2s ease, background .2s ease, transform .25s var(--ease); }
.theme-fusion .quick-category:hover { transform: translateY(-3px); }
.theme-fusion .catalog-about { overflow: hidden; border: 1px solid rgba(216, 229, 230, .8); }
.theme-fusion .catalog-about-media::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(125deg, transparent 52%, rgba(3, 44, 55, .28));
}
.theme-fusion .catalog-product { overflow: hidden; border-color: rgba(210, 226, 226, .88); }
.theme-fusion .catalog-product-media img { transition: transform .45s var(--ease); }
.theme-fusion .catalog-product:hover .catalog-product-media img { transform: scale(1.055); }
.theme-fusion .classification-column { transition: transform .25s var(--ease), box-shadow .25s var(--ease); }
.theme-fusion .classification-column:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.theme-fusion .classification-links a { border-radius: 8px; transition: color .2s ease, background .2s ease, padding-left .2s ease; }
.theme-fusion .classification-links a:hover { padding-left: 12px; color: var(--teal-dark); background: #eff8f7; }
.theme-fusion .knowledge-panel { border-color: rgba(214, 229, 229, .9); }
.theme-fusion .knowledge-list a { transition: color .2s ease, padding-left .2s ease; }
.theme-fusion .knowledge-list a:hover { padding-left: 8px; color: var(--teal-dark); }
.theme-fusion .client-item { min-height: 84px; transition: color .2s ease, background .2s ease; }
.theme-fusion .client-item:hover { color: var(--teal-dark); background: #eaf6f5; }
.theme-fusion .contact-band { overflow: hidden; border-radius: 24px; }
.theme-fusion .site-footer { border-top: 1px solid rgba(97, 220, 209, .13); }
.theme-fusion .footer-links a { transition: color .2s ease, transform .2s ease; }
.theme-fusion .footer-links a:hover { color: #68ded4; transform: translateX(4px); }
.theme-fusion .listing-product { border: 1px solid rgba(215, 228, 229, .86); box-shadow: 0 12px 34px rgba(15, 48, 58, .065); }
.theme-fusion .listing-product-copy h2 { letter-spacing: -.015em; }
.theme-fusion .mini-quote { transition: color .2s ease, background .2s ease; }
.theme-fusion .mini-quote:hover { color: #fff; background: var(--teal); }
.theme-fusion .news-feature { box-shadow: 0 26px 70px rgba(8, 39, 54, .15); }
.theme-fusion .news-card { background: #fff; box-shadow: 0 10px 30px rgba(8, 39, 54, .045); transition: transform .25s var(--ease), box-shadow .25s var(--ease); }
.theme-fusion .news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.theme-fusion .news-grid { grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); }
.theme-fusion .form-card { border: 1px solid rgba(215, 228, 229, .9); }
.theme-fusion .catalog-detail-shell { padding-top: 46px; }
.theme-fusion .catalog-product-hero .product-heading { letter-spacing: -.035em; }
.theme-fusion .catalog-tabs .tab-buttons { padding: 7px; gap: 5px; }
.theme-fusion .catalog-tabs .tab-button { border-radius: 9px; }
.theme-fusion .catalog-tabs .tab-panel { min-height: 300px; }
.theme-fusion .product-richtext p { color: var(--muted); }
.theme-fusion .feature-list strong { color: var(--ink); }
.theme-fusion .related-products-panel { padding: 28px; }
.theme-fusion .related-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.theme-fusion .related-card { overflow: hidden; background: #fff; transition: transform .25s var(--ease), box-shadow .25s var(--ease); }
.theme-fusion .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.theme-fusion .related-card img { transition: transform .4s var(--ease); }
.theme-fusion .related-card:hover img { transform: scale(1.06); }
.resource-video-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.resource-video-card { min-height: 110px; display: flex; align-items: center; gap: 18px; padding: 20px; background: #f1f7f6; border: 1px solid #dbe9e8; border-radius: 14px; transition: transform .2s ease, border-color .2s ease; }
.resource-video-card:hover { transform: translateY(-2px); border-color: #a9d6d2; }
.resource-video-icon { width: 48px; height: 48px; flex: 0 0 auto; display: grid; place-items: center; color: #fff; background: var(--teal); border-radius: 50%; box-shadow: 0 10px 24px rgba(1, 127, 126, .22); }
.resource-video-card strong,
.resource-video-card small { display: block; }
.resource-video-card small { margin-top: 4px; color: var(--muted); }
.listing-empty.compact { min-height: 130px; display: grid; place-items: center; padding: 24px; background: #f5f8f8; border: 1px dashed #cedddd; border-radius: 14px; text-align: center; }
.listing-empty.compact p { margin: 0; color: var(--muted); }

@media (max-width: 900px) {
  .theme-fusion .section { padding-block: 68px; }
  .theme-fusion .nav-cta { padding: 0; background: transparent; border: 0; }
  .theme-fusion .news-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  :root { --container: min(100% - 34px, 1240px); }
  .theme-fusion .section { padding-block: 54px; }
  .theme-fusion .section-sm { padding-block: 46px; }
  .theme-fusion .site-header { backdrop-filter: none; }
  .theme-fusion .catalog-hero .hero-lede { font-size: 15px; }
  .theme-fusion .catalog-badges { gap: 10px 16px; }
  .theme-fusion .catalog-about { border-radius: 18px; }
  .theme-fusion .catalog-about-copy { padding: 32px 23px; }
  .theme-fusion .section-head { margin-bottom: 28px; }
  .theme-fusion .news-grid,
  .resource-video-list { grid-template-columns: 1fr; }
  .theme-fusion .catalog-tabs .tab-panel { min-height: 0; }
  .theme-fusion .related-products-panel { padding: 22px 18px; }
  .theme-fusion .related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
}