:root {
  --brand: #0f5daa;
  --brand-deep: #063b70;
  --brand-dark: #082d50;
  --brand-bright: #087bc1;
  --accent: #0d9aac;
  --accent-soft: #e8f7f8;
  --ink: #172737;
  --muted: #607184;
  --line: #dce6ef;
  --surface: #ffffff;
  --soft: #f3f7fb;
  --soft-blue: #eaf2fa;
  --warning: #b4650b;
  --warning-soft: #fff8e8;
  --shadow: 0 16px 38px rgba(20, 52, 82, 0.1);
  --radius: 8px;
  --container: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--surface);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.8;
  letter-spacing: 0;
}

body.is-menu-open {
  overflow: hidden;
}

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

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

button,
input {
  font: inherit;
  letter-spacing: 0;
}

button {
  color: inherit;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
figure {
  margin: 0;
  padding: 0;
}

ul,
ol {
  list-style: none;
}

:focus-visible {
  outline: 3px solid rgba(13, 154, 172, 0.45);
  outline-offset: 3px;
}

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

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 9px 14px;
  border-radius: 4px;
  color: #fff;
  background: var(--brand-dark);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.topline {
  color: rgba(255, 255, 255, 0.82);
  background: var(--brand-dark);
  font-size: 13px;
}

.topline__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 34px;
}

.topline__inner p:last-child {
  color: #fff;
}

.site-header {
  position: relative;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-height: 98px;
}

.brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.brand img {
  width: 410px;
  height: auto;
  max-height: 76px;
  object-fit: contain;
  object-position: left center;
}

.header-facts {
  display: flex;
  align-items: stretch;
}

.header-fact {
  min-width: 120px;
  padding: 2px 20px;
  border-left: 1px solid var(--line);
}

.header-fact span,
.header-fact strong {
  display: block;
}

.header-fact span {
  color: var(--muted);
  font-size: 12px;
}

.header-fact strong {
  margin-top: 2px;
  color: var(--brand);
  font-size: 16px;
  line-height: 1.35;
}

.site-nav {
  position: relative;
  z-index: 25;
  color: #fff;
  background: var(--brand);
  box-shadow: 0 8px 24px rgba(4, 47, 88, 0.15);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 58px;
}

.nav-list {
  display: flex;
  align-items: center;
  align-self: stretch;
}

.nav-list a {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 142px;
  min-height: 58px;
  padding: 0 24px;
  font-size: 16px;
}

.nav-list a::after {
  position: absolute;
  right: 24px;
  bottom: 0;
  left: 24px;
  height: 3px;
  background: #6dd6df;
  content: "";
  opacity: 0;
  transform: scaleX(0.5);
  transition: 180ms ease;
}

.nav-list a:hover,
.nav-list a.is-active {
  background: rgba(255, 255, 255, 0.1);
}

.nav-list a:hover::after,
.nav-list a.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle__icon,
.menu-toggle__icon::before,
.menu-toggle__icon::after {
  width: 20px;
  height: 2px;
  background: #fff;
  content: "";
  transition: 180ms ease;
}

.menu-toggle__icon {
  position: relative;
  display: block;
}

.menu-toggle__icon::before,
.menu-toggle__icon::after {
  position: absolute;
  left: 0;
}

.menu-toggle__icon::before {
  top: -6px;
}

.menu-toggle__icon::after {
  top: 6px;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.nav-search {
  display: flex;
  align-items: center;
  width: 260px;
  height: 38px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 6px;
  background: #fff;
}

.nav-search input {
  flex: 1;
  min-width: 0;
  height: 100%;
  padding: 0 12px;
  border: 0;
  outline: 0;
  color: var(--ink);
}

.nav-search button {
  align-self: stretch;
  min-width: 58px;
  border: 0;
  color: #fff;
  background: var(--brand-dark);
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: 510px;
  overflow: hidden;
  color: #fff;
  background: url("../images/about-photo.png") center / cover no-repeat;
}

.hero::before {
  position: absolute;
  inset: 0;
  background: rgba(4, 43, 79, 0.82);
  content: "";
}

.hero::after {
  position: absolute;
  inset: 0 0 0 auto;
  width: 36%;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(8, 123, 193, 0.16);
  content: "";
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 510px;
  padding: 58px 0 48px;
}

.hero__content {
  max-width: 820px;
}

.hero__eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
}

.hero__eyebrow {
  color: #84e1e7;
}

.hero__eyebrow::before,
.section-kicker::before {
  width: 32px;
  height: 2px;
  background: currentColor;
  content: "";
}

.hero h1 {
  max-width: 760px;
  margin-top: 18px;
  font-size: 48px;
  line-height: 1.22;
  letter-spacing: 0;
}

.hero__lead {
  max-width: 760px;
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 18px;
  line-height: 1.9;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 700;
  transition: 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--light {
  color: var(--brand-dark);
  background: #fff;
  box-shadow: 0 10px 24px rgba(1, 24, 45, 0.18);
}

.button--outline {
  border-color: rgba(255, 255, 255, 0.62);
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.button--primary {
  color: #fff;
  background: var(--brand);
}

.button--primary:hover {
  background: var(--brand-deep);
}

.button__arrow {
  margin-left: 10px;
  font-size: 18px;
  line-height: 1;
}

.hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 44px;
  border-top: 1px solid rgba(255, 255, 255, 0.24);
  border-bottom: 1px solid rgba(255, 255, 255, 0.24);
}

.hero__fact {
  min-width: 190px;
  padding: 16px 24px 16px 0;
}

.hero__fact + .hero__fact {
  padding-left: 24px;
  border-left: 1px solid rgba(255, 255, 255, 0.24);
}

.hero__fact strong,
.hero__fact span {
  display: block;
}

.hero__fact strong {
  font-size: 23px;
  line-height: 1.3;
}

.hero__fact span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.section {
  padding: 72px 0;
}

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

.section--blue {
  color: #fff;
  background: var(--brand-dark);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 34px;
}

.section-head__copy {
  max-width: 760px;
}

.section-head h2,
.intro-copy h2,
.section-title {
  margin-top: 8px;
  color: var(--ink);
  font-size: 36px;
  line-height: 1.35;
}

.section-head p,
.intro-copy > p,
.section-desc {
  margin-top: 12px;
  color: var(--muted);
}

.section--blue .section-head h2,
.section--blue .section-head p,
.section--blue .section-kicker {
  color: #fff;
}

.section--blue .section-head p {
  color: rgba(255, 255, 255, 0.72);
}

.text-link {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  color: var(--brand);
  font-weight: 700;
}

.text-link::after {
  margin-left: 8px;
  content: "\2192";
}

.intro-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 54px;
  align-items: center;
}

.intro-media {
  position: relative;
}

.intro-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  object-fit: cover;
  box-shadow: var(--shadow);
}

.intro-media figcaption {
  position: absolute;
  right: 16px;
  bottom: 16px;
  max-width: calc(100% - 32px);
  padding: 8px 12px;
  border-radius: 4px;
  color: #fff;
  background: rgba(6, 45, 80, 0.82);
  font-size: 12px;
}

.intro-copy > p + p {
  margin-top: 14px;
}

.value-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 28px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.value-list li {
  padding: 20px 16px 20px 0;
}

.value-list li + li {
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.value-list strong,
.value-list span {
  display: block;
}

.value-list strong {
  color: var(--brand);
  font-size: 22px;
}

.value-list span {
  color: var(--muted);
  font-size: 13px;
}

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

.service-card,
.adv-card {
  min-height: 240px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: 180ms ease;
}

.service-card:hover,
.adv-card:hover {
  border-color: #aecce6;
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.service-card__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 6px;
  color: #fff;
  background: var(--brand);
  font-weight: 700;
}

.service-card:nth-child(2) .service-card__number,
.service-card:nth-child(5) .service-card__number {
  background: var(--accent);
}

.service-card h3,
.adv-card h3 {
  margin-top: 22px;
  font-size: 21px;
  line-height: 1.45;
}

.service-card p,
.adv-card p {
  margin-top: 10px;
  color: var(--muted);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

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

.product-card {
  display: flex;
  min-width: 0;
  overflow: hidden;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: 180ms ease;
}

.product-card:hover {
  border-color: #a9c8e3;
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.product-card__media {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 3;
  padding: 20px;
  border-bottom: 1px solid var(--line);
  background: #f8fafc;
}

.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 20px;
}

.product-card__category {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.product-card h3 {
  display: -webkit-box;
  min-height: 58px;
  margin-top: 8px;
  overflow: hidden;
  font-size: 18px;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.product-card p {
  display: -webkit-box;
  min-height: 66px;
  margin-top: 10px;
  overflow: hidden;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.product-grid--catalog .product-card p {
  display: block;
  min-height: 110px;
  overflow: visible;
}

.product-card__code {
  margin-top: auto;
  padding-top: 15px;
  border-top: 1px solid var(--line);
  color: #65788b;
  font-size: 12px;
}

.collaboration-band {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
  gap: 60px;
  align-items: center;
}

.collaboration-band h2 {
  margin-top: 10px;
  font-size: 36px;
  line-height: 1.4;
}

.collaboration-band p {
  max-width: 720px;
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.76);
}

.collaboration-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  border-left: 1px solid rgba(255, 255, 255, 0.22);
}

.collaboration-points li {
  min-height: 82px;
  padding: 16px;
  border-right: 1px solid rgba(255, 255, 255, 0.22);
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.collaboration-points strong {
  display: block;
  color: #72d9e1;
  font-size: 18px;
}

.collaboration-points span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.page-hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 260px;
  overflow: hidden;
  color: #fff;
  background-position: center;
  background-size: cover;
}

.page-hero::before {
  position: absolute;
  inset: 0;
  background: rgba(4, 48, 88, 0.75);
  content: "";
}

.page-hero--about {
  background-image: url("../images/about-banner.jpg");
}

.page-hero--products {
  background-image: url("../images/products-banner.png");
}

.page-hero__inner {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  font-size: 42px;
  line-height: 1.3;
}

.page-hero p {
  max-width: 760px;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 16px;
}

.breadcrumb {
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.breadcrumb__inner {
  display: flex;
  align-items: center;
  min-height: 54px;
  color: var(--muted);
  font-size: 13px;
}

.breadcrumb a:hover {
  color: var(--brand);
}

.page-shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
  padding: 56px 0 76px;
}

.section-nav {
  position: sticky;
  top: 20px;
  border-top: 3px solid var(--brand);
  border-bottom: 1px solid var(--line);
}

.section-nav h2 {
  padding: 16px 14px;
  font-size: 18px;
}

.section-nav a {
  position: relative;
  display: block;
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.section-nav a::before {
  position: absolute;
  top: 50%;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--accent);
  content: "";
  transform: translateY(-50%);
  transition: 180ms ease;
}

.section-nav a:hover,
.section-nav a.is-active {
  color: var(--brand);
  background: var(--soft-blue);
}

.section-nav a.is-active::before {
  height: 100%;
}

.page-content {
  min-width: 0;
}

.content-section {
  scroll-margin-top: 24px;
  padding-bottom: 52px;
}

.content-section + .content-section {
  padding-top: 52px;
  border-top: 1px solid var(--line);
}

.content-section:last-child {
  padding-bottom: 0;
}

.content-section__head {
  max-width: 780px;
  margin-bottom: 26px;
}

.content-section__head h2 {
  color: var(--ink);
  font-size: 30px;
  line-height: 1.4;
}

.content-section__head p {
  margin-top: 10px;
  color: var(--muted);
}

.story-lead {
  padding-left: 20px;
  border-left: 4px solid var(--brand);
  color: var(--brand-dark);
  font-size: 20px;
  line-height: 1.8;
}

.story-copy {
  margin-top: 24px;
  color: var(--muted);
}

.story-copy p + p {
  margin-top: 14px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 28px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.metric {
  min-height: 112px;
  padding: 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--soft);
}

.metric strong,
.metric span {
  display: block;
}

.metric strong {
  color: var(--brand);
  font-size: 24px;
  line-height: 1.35;
}

.metric span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.focus-grid,
.support-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.focus-item,
.support-item {
  min-height: 150px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.focus-item strong,
.support-item strong {
  display: block;
  color: var(--brand);
  font-size: 18px;
}

.focus-item p,
.support-item p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.team-panel {
  padding: 30px;
  border-left: 5px solid var(--accent);
  color: #fff;
  background: var(--brand-dark);
}

.team-panel h3 {
  font-size: 23px;
}

.team-panel p {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.78);
}

.partner-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 36px;
}

.criteria-list,
.promise-list {
  display: grid;
  gap: 12px;
}

.criteria-list li,
.promise-list li {
  position: relative;
  min-height: 52px;
  padding: 13px 16px 13px 46px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.criteria-list li::before,
.promise-list li::before {
  position: absolute;
  top: 14px;
  left: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 4px;
  color: #fff;
  background: var(--brand);
  content: "\2713";
  font-size: 12px;
  font-weight: 700;
}

.promise-list li::before {
  background: var(--accent);
}

.quote-panel {
  margin-top: 28px;
  padding: 28px;
  border-radius: var(--radius);
  color: #fff;
  background: var(--brand);
}

.quote-panel blockquote {
  margin: 0;
  font-size: 23px;
  line-height: 1.7;
}

.quote-panel p {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.76);
}

.filter-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 26px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.product-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-filter button {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid #cbd9e5;
  border-radius: 5px;
  color: #4b6277;
  background: #fff;
  cursor: pointer;
}

.product-filter button:hover,
.product-filter button.is-active {
  border-color: var(--brand);
  color: #fff;
  background: var(--brand);
}

.product-count {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 13px;
}

.product-card.is-hidden {
  display: none;
}

.notice {
  margin-top: 26px;
  padding: 16px 18px;
  border-left: 4px solid #e2a031;
  color: #76521f;
  background: var(--warning-soft);
  font-size: 13px;
}

.site-map {
  padding: 44px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  background: var(--brand-dark);
}

.site-map__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.75fr 0.75fr 1.3fr;
  gap: 40px;
  align-items: start;
}

.footer-brand {
  align-self: start;
}

.footer-brand img {
  width: 250px;
  height: auto;
  max-width: 100%;
  padding: 8px;
  border-radius: 4px;
  background: #fff;
  object-fit: contain;
}

.footer-brand p {
  max-width: 250px;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.68);
}

.site-map h2 {
  margin-bottom: 16px;
  font-size: 17px;
}

.site-map a,
.site-map li,
.site-map address,
.site-map p {
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
  font-style: normal;
}

.site-map a {
  display: inline-block;
  margin-bottom: 8px;
}

.site-map a:hover {
  color: #fff;
}

.site-footer {
  color: rgba(255, 255, 255, 0.7);
  background: #051f36;
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 54px;
  font-size: 12px;
}

.back-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: var(--brand);
  box-shadow: 0 10px 24px rgba(5, 41, 74, 0.24);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: 180ms ease;
  visibility: hidden;
}

.back-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  visibility: visible;
}

@media (max-width: 1080px) {
  .header-fact {
    min-width: 105px;
    padding-right: 14px;
    padding-left: 14px;
  }

  .brand img {
    width: 340px;
  }

  .intro-layout,
  .collaboration-band {
    gap: 36px;
  }

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

  .page-shell {
    gap: 32px;
  }
}

@media (max-width: 900px) {
  .topline {
    display: none;
  }

  .site-header__inner {
    min-height: 82px;
  }

  .header-facts {
    display: none;
  }

  .brand img {
    width: 360px;
    max-width: 100%;
    max-height: 66px;
  }

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

  .site-nav__inner {
    min-height: 56px;
  }

  .nav-list {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    padding: 10px 20px 18px;
    background: var(--brand-deep);
    box-shadow: 0 16px 28px rgba(3, 36, 66, 0.24);
  }

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

  .nav-list a {
    justify-content: flex-start;
    min-width: 0;
    min-height: 48px;
    padding: 0 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.13);
  }

  .nav-list a::after {
    display: none;
  }

  .hero,
  .hero__inner {
    min-height: 470px;
  }

  .hero h1 {
    font-size: 40px;
  }

  .intro-layout,
  .collaboration-band,
  .partner-layout {
    grid-template-columns: 1fr;
  }

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

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

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

  .page-shell {
    grid-template-columns: 1fr;
  }

  .section-nav {
    position: static;
  }

  .section-nav h2 {
    display: none;
  }

  .section-nav__links {
    display: flex;
    overflow-x: auto;
    border-top: 1px solid var(--line);
  }

  .section-nav a {
    flex: 0 0 auto;
    border-top: 0;
  }

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

@media (max-width: 640px) {
  .container {
    width: min(var(--container), calc(100% - 28px));
  }

  .site-header__inner {
    justify-content: center;
    min-height: 74px;
  }

  .brand img {
    width: min(100%, 310px);
    max-height: 58px;
    object-position: center;
  }

  .site-nav__inner {
    gap: 12px;
  }

  .nav-search {
    width: min(100%, 230px);
  }

  .hero,
  .hero__inner {
    min-height: 430px;
  }

  .hero__inner {
    padding: 42px 0 34px;
  }

  .hero::after {
    display: none;
  }

  .hero h1 {
    margin-top: 14px;
    font-size: 32px;
  }

  .hero__lead {
    margin-top: 14px;
    font-size: 15px;
    line-height: 1.8;
  }

  .hero__actions {
    margin-top: 22px;
  }

  .button {
    flex: 1 1 150px;
    padding: 0 14px;
  }

  .hero__facts {
    margin-top: 28px;
  }

  .hero__fact {
    min-width: 33.333%;
    padding: 12px 8px;
    text-align: center;
  }

  .hero__fact + .hero__fact {
    padding-left: 8px;
  }

  .hero__fact strong {
    font-size: 17px;
  }

  .hero__fact span {
    font-size: 11px;
  }

  .section {
    padding: 52px 0;
  }

  .section-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 26px;
  }

  .section-head h2,
  .intro-copy h2,
  .section-title,
  .collaboration-band h2 {
    font-size: 28px;
  }

  .intro-layout {
    gap: 28px;
  }

  .value-list {
    grid-template-columns: 1fr;
  }

  .value-list li,
  .value-list li + li {
    padding: 14px 0;
    border-left: 0;
  }

  .value-list li + li {
    border-top: 1px solid var(--line);
  }

  .card-grid,
  .focus-grid,
  .support-grid,
  .product-grid,
  .product-grid--catalog,
  .site-map__grid,
  .metric-grid,
  .collaboration-points {
    grid-template-columns: 1fr;
  }

  .service-card,
  .adv-card {
    min-height: 0;
    padding: 22px;
  }

  .product-card h3,
  .product-card p {
    min-height: 0;
  }

  .product-grid--catalog .product-card p {
    min-height: 0;
  }

  .page-hero {
    min-height: 220px;
  }

  .page-hero h1 {
    font-size: 32px;
  }

  .page-hero p {
    font-size: 14px;
  }

  .page-shell {
    gap: 28px;
    padding: 36px 0 56px;
  }

  .section-nav__links {
    flex-wrap: wrap;
    overflow-x: visible;
  }

  .section-nav a {
    flex: 1 1 33.333%;
    min-width: 96px;
    padding-right: 10px;
    padding-left: 10px;
    text-align: center;
  }

  .content-section {
    padding-bottom: 40px;
  }

  .content-section + .content-section {
    padding-top: 40px;
  }

  .content-section__head h2 {
    font-size: 26px;
  }

  .story-lead {
    padding-left: 14px;
    font-size: 17px;
  }

  .partner-layout {
    gap: 28px;
  }

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

  .product-filter {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .product-filter button {
    min-width: 0;
    padding: 0 8px;
  }

  .footer-brand img {
    width: 230px;
  }

  .site-footer__inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 12px 0;
  }

  .back-top {
    right: 14px;
    bottom: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}