:root {
  --font-heading: "Plus Jakarta Sans", "Be Vietnam Pro", system-ui, sans-serif;
  --font-body: "Be Vietnam Pro", "Inter", system-ui, sans-serif;
  --color-ink: #0a1929;
  --color-text: #344054;
  --color-muted: #667085;
  --color-line: #d7e4ef;
  --color-line-soft: #e8f0f7;
  --color-surface: #ffffff;
  --color-soft: #f6f9fc;
  --color-soft-blue: #edf7fc;
  --color-navy: #071b31;
  --color-navy-2: #0c263f;
  --color-blue-dark: #005ba3;
  --color-blue: #0072ce;
  --color-cyan: #00aadc;
  --color-green: #16a36b;
  --color-amber: #f59e0b;
  --color-red: #e5484d;
  --gradient-blue: linear-gradient(135deg, #005ba3 0%, #0072ce 45%, #00aadc 100%);
  --gradient-soft: linear-gradient(135deg, rgba(0, 91, 163, .08) 0%, rgba(0, 114, 206, .08) 48%, rgba(0, 170, 220, .14) 100%);
  --gradient-navy: linear-gradient(135deg, #06192d 0%, #0c2b49 58%, #004b78 100%);
  --shadow-premium: 0 18px 44px rgba(10, 42, 74, .12);
  --shadow-soft: 0 10px 28px rgba(10, 42, 74, .08);
  --shadow-hover: 0 22px 50px rgba(0, 91, 163, .16);
  --radius-card: 8px;
  --radius-control: 6px;
  --container: 1180px;
  --header-height: 78px;
  --transition: .22s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-surface);
  line-height: 1.68;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-blue);
  text-decoration: none;
}

a:hover {
  color: var(--color-blue-dark);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 0;
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
}

.container {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  border-bottom: 1px solid rgba(215, 228, 239, .9);
  backdrop-filter: blur(18px);
  transition: box-shadow var(--transition), border-color var(--transition), background var(--transition);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, .96);
  border-color: rgba(215, 228, 239, .72);
  box-shadow: 0 10px 30px rgba(10, 42, 74, .08);
}

.topbar {
  background: var(--gradient-navy);
  color: rgba(255, 255, 255, .82);
  font-size: 13px;
}

.topbar-inner {
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.topbar-links {
  display: flex;
  align-items: center;
  gap: 18px;
  white-space: nowrap;
}

.topbar a {
  color: rgba(255, 255, 255, .9);
}

.topbar a:hover {
  color: var(--color-cyan);
}

.nav-inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-ink);
}

.brand:hover,
.footer-brand:hover {
  color: var(--color-ink);
}

.brand-mark {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-card);
  background: var(--gradient-blue);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 23px;
  font-weight: 800;
  box-shadow: 0 12px 28px rgba(0, 114, 206, .24);
}

.brand-text {
  display: grid;
  gap: 2px;
  line-height: 1;
}

.brand-text strong {
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-text small {
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link,
.quote-link {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 14px;
  border-radius: var(--radius-control);
  color: var(--color-text);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  transition: color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-blue);
  background: rgba(0, 114, 206, .08);
}

.quote-link {
  margin-left: 8px;
  padding: 0 17px;
  color: #fff;
  background: var(--gradient-blue);
  box-shadow: 0 12px 26px rgba(0, 114, 206, .24);
}

.quote-link:hover {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 16px 34px rgba(0, 114, 206, .28);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.menu-toggle span {
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-ink);
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 16%, rgba(0, 170, 220, .16), transparent 28%),
    linear-gradient(180deg, #fff 0%, #f7fbfe 100%);
}

.hero-pattern {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 114, 206, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 114, 206, .08) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, .6), transparent 70%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  min-height: 660px;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 58px;
  align-items: center;
  padding: 72px 0 64px;
}

.hero-copy {
  max-width: 620px;
}

.eyebrow,
.section-intro span,
.cta-inner span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 14px;
  color: var(--color-blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow .icon {
  width: 18px;
  height: 18px;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  letter-spacing: 0;
}

.hero h1 {
  margin: 0 0 20px;
  color: var(--color-ink);
  font-size: 54px;
  font-weight: 700;
  line-height: 1.08;
}

.hero p {
  margin: 0 0 30px;
  color: var(--color-text);
  font-size: 17px;
  line-height: 1.78;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
}

.btn-primary {
  color: #fff;
  background: var(--gradient-blue);
  box-shadow: 0 14px 30px rgba(0, 114, 206, .26);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 18px 38px rgba(0, 114, 206, .32);
}

.btn-secondary {
  color: var(--color-blue-dark);
  background: rgba(255, 255, 255, .78);
  border-color: rgba(0, 91, 163, .22);
}

.btn-secondary:hover {
  color: var(--color-blue-dark);
  background: var(--color-surface);
  border-color: rgba(0, 114, 206, .36);
  box-shadow: var(--shadow-soft);
}

.btn-light {
  color: var(--color-blue-dark);
  background: #fff;
  box-shadow: 0 14px 30px rgba(0, 42, 82, .16);
}

.btn-light:hover {
  color: var(--color-blue-dark);
  transform: translateY(-1px);
  box-shadow: 0 18px 38px rgba(0, 42, 82, .22);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 34px 0 0;
}

.hero-stats div {
  padding: 0 0 0 14px;
  border-left: 2px solid rgba(0, 114, 206, .18);
}

.hero-stats dt {
  margin: 0;
  font-family: var(--font-heading);
  color: var(--color-ink);
  font-size: 25px;
  font-weight: 800;
  line-height: 1;
}

.hero-stats dd {
  margin: 6px 0 0;
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
}

.hero-visual {
  position: relative;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 34px 0 20px 42px;
  border-radius: var(--radius-card);
  background: var(--gradient-blue);
  opacity: .14;
  filter: blur(4px);
}

.hero-media {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 114, 206, .16);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-premium);
}

.hero-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.hero-slideshow {
  aspect-ratio: 16 / 10;
}

.hero-slideshow::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 52%, rgba(245, 251, 255, .34) 100%);
}

.hero-media .hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.015);
  animation: qlightHeroFade 18s infinite;
}

.hero-media .hero-slide:nth-of-type(1) {
  animation-delay: 0s;
}

.hero-media .hero-slide:nth-of-type(2) {
  animation-delay: 6s;
}

.hero-media .hero-slide:nth-of-type(3) {
  animation-delay: 12s;
}

@keyframes qlightHeroFade {
  0%,
  28% {
    opacity: 1;
    transform: scale(1);
  }

  34%,
  94% {
    opacity: 0;
    transform: scale(1.018);
  }

  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.hero-media-caption {
  position: absolute;
  left: 18px;
  bottom: 18px;
  z-index: 2;
  display: grid;
  gap: 2px;
  max-width: 270px;
  padding: 12px 14px;
  border: 1px solid rgba(215, 228, 239, .86);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 30px rgba(10, 42, 74, .12);
}

.hero-media-caption span {
  color: var(--color-blue);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero-media-caption strong {
  color: var(--color-ink);
  font-size: 14px;
  line-height: 1.35;
}

.trust-strip {
  position: relative;
  z-index: 2;
  margin-top: -30px;
  padding-bottom: 30px;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.trust-item,
.category-card,
.product-card,
.application-card,
.contact-form {
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: 0 1px 0 rgba(10, 42, 74, .02);
}

.trust-item {
  display: flex;
  gap: 13px;
  min-height: 104px;
  align-items: flex-start;
  padding: 18px;
  box-shadow: var(--shadow-soft);
}

.icon-box {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border: 1px solid rgba(0, 114, 206, .16);
  border-radius: var(--radius-card);
  color: var(--color-blue);
  background: var(--gradient-soft);
  transition: color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.trust-item strong {
  display: block;
  color: var(--color-ink);
  font-size: 15px;
  line-height: 1.35;
}

.trust-item span:not(.icon-box) {
  display: block;
  margin-top: 4px;
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.55;
}

.section {
  padding: 86px 0;
}

section[id] {
  scroll-margin-top: 118px;
}

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

.section-soft-blue {
  background:
    linear-gradient(180deg, rgba(237, 247, 252, .92), rgba(255, 255, 255, .96)),
    var(--color-soft-blue);
}

.section-intro {
  max-width: 760px;
  margin: 0 auto 38px;
  text-align: center;
}

.section-intro-left {
  margin-left: 0;
  text-align: left;
}

.section-intro h2,
.why-copy h2,
.contact-copy h2,
.cta-inner h2 {
  margin: 0;
  color: var(--color-ink);
  font-size: 38px;
  font-weight: 700;
  line-height: 1.18;
}

.section-intro p,
.contact-copy p,
.why-panel p,
.cta-inner p {
  margin: 14px 0 0;
  color: var(--color-text);
  font-size: 15px;
  line-height: 1.78;
}

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

.category-card {
  display: grid;
  gap: 18px;
  min-height: 266px;
  padding: 22px;
  color: var(--color-ink);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
}

.category-card:hover,
.product-card:hover,
.application-card:hover {
  color: var(--color-ink);
  transform: translateY(-3px);
  border-color: rgba(0, 114, 206, .28);
  box-shadow: var(--shadow-hover);
}

.category-card:hover .icon-box,
.product-card:hover .icon-box,
.application-card:hover .icon-box,
.contact-list a:hover .icon-box {
  color: #fff;
  border-color: transparent;
  background: var(--gradient-blue);
  box-shadow: 0 14px 30px rgba(0, 114, 206, .24);
}

.category-card strong,
.application-card h3,
.product-card h3 {
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
}

.category-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 18px;
}

.category-card span:not(.icon-box) {
  display: block;
  margin-bottom: 10px;
  color: var(--color-blue);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.45;
}

.category-card p,
.product-card p,
.application-card p {
  margin: 0;
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.68;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product-card {
  display: grid;
  gap: 16px;
  padding: 24px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.product-card-media {
  display: block;
  overflow: hidden;
  margin: -6px -6px 0;
  border: 1px solid rgba(215, 228, 239, .82);
  border-radius: calc(var(--radius-card) - 2px);
  background:
    radial-gradient(circle at 76% 22%, rgba(0, 170, 220, .16), transparent 32%),
    linear-gradient(145deg, #ffffff 0%, #f4f9fd 100%);
  aspect-ratio: 16 / 10;
}

.product-card-media img {
  width: 100%;
  height: 100%;
  padding: 14px;
  object-fit: contain;
  transition: transform var(--transition);
}

.product-card:hover .product-card-media img {
  transform: scale(1.035);
}

.product-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.product-code {
  color: var(--color-blue);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.product-card h3 {
  min-height: 54px;
  margin: 0;
  font-size: 21px;
}

.product-card ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-card li {
  position: relative;
  padding-left: 18px;
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.55;
}

.product-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gradient-blue);
}

.text-link {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 7px;
  color: var(--color-blue);
  font-size: 14px;
  font-weight: 800;
}

.text-link .icon {
  width: 17px;
  height: 17px;
  transition: transform var(--transition);
}

.text-link:hover .icon {
  transform: translateX(3px);
}

.why-grid {
  display: grid;
  grid-template-columns: minmax(0, .78fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}

.why-panel {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  padding: 38px;
  border-radius: var(--radius-card);
  color: #fff;
  background: var(--gradient-navy);
  box-shadow: var(--shadow-premium);
}

.why-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .08) 1px, transparent 1px);
  background-size: 34px 34px;
  opacity: .55;
}

.why-panel > * {
  position: relative;
  z-index: 1;
}

.why-number {
  display: block;
  margin-bottom: 18px;
  font-family: var(--font-heading);
  font-size: 86px;
  font-weight: 800;
  line-height: .95;
  color: #fff;
}

.why-panel strong {
  display: block;
  max-width: 360px;
  font-family: var(--font-heading);
  font-size: 24px;
  line-height: 1.25;
}

.why-panel p {
  color: rgba(255, 255, 255, .76);
}

.cert-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 30px;
}

.cert-row span {
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--radius-control);
  color: rgba(255, 255, 255, .86);
  background: rgba(255, 255, 255, .08);
  font-size: 12px;
  font-weight: 800;
}

.why-copy h2 {
  max-width: 620px;
}

.why-list {
  display: grid;
  gap: 18px;
  margin-top: 30px;
}

.why-list > div {
  display: flex;
  gap: 15px;
  align-items: flex-start;
}

.why-list strong {
  display: block;
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: 18px;
  line-height: 1.35;
}

.why-list p {
  margin: 5px 0 0;
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.68;
}

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

.application-card {
  min-height: 230px;
  padding: 22px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
}

.application-card h3 {
  margin: 18px 0 9px;
  font-size: 18px;
}

.cta-band {
  position: relative;
  overflow: hidden;
  background: var(--gradient-blue);
  color: #fff;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .14) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: .42;
}

.cta-inner {
  position: relative;
  z-index: 1;
  min-height: 240px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 36px;
  align-items: center;
  padding: 44px 0;
}

.cta-inner span,
.cta-inner h2,
.cta-inner p {
  color: #fff;
}

.cta-inner p {
  max-width: 760px;
  color: rgba(255, 255, 255, .82);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
  gap: 42px;
  align-items: start;
}

.contact-list {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.contact-list a,
.contact-list > div {
  display: flex;
  gap: 13px;
  align-items: center;
  color: var(--color-ink);
}

.contact-list strong {
  display: block;
  color: var(--color-ink);
  font-size: 15px;
  line-height: 1.35;
}

.contact-list small {
  display: block;
  margin-top: 3px;
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.45;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  box-shadow: var(--shadow-soft);
}

.form-heading h3 {
  margin: 0;
  color: var(--color-ink);
  font-size: 24px;
  line-height: 1.25;
}

.form-heading p {
  margin: 6px 0 0;
  color: var(--color-muted);
  font-size: 14px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: var(--color-ink);
  font-size: 13px;
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-control);
  padding: 12px 13px;
  color: var(--color-ink);
  background: #fff;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.contact-form textarea {
  resize: vertical;
  min-height: 128px;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: rgba(0, 114, 206, .76);
  box-shadow: 0 0 0 4px rgba(0, 114, 206, .12);
}

.submit-btn {
  width: 100%;
}

.form-note {
  margin: -2px 0 0;
  color: var(--color-muted);
  font-size: 12px;
  text-align: center;
}

.site-footer {
  padding: 58px 0 24px;
  color: rgba(255, 255, 255, .76);
  background:
    radial-gradient(circle at 88% 12%, rgba(0, 170, 220, .16), transparent 30%),
    var(--color-navy);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.45fr 1fr 1fr 1fr;
  gap: 38px;
}

.footer-brand .brand-mark {
  box-shadow: none;
}

.footer-brand .brand-text strong,
.footer-brand .brand-text small {
  color: #fff;
}

.footer-brand-block p {
  max-width: 430px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, .72);
  font-size: 14px;
  line-height: 1.75;
}

.footer-socials {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.footer-socials a {
  display: inline-flex;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius-control);
  color: #8fdfff;
  background: rgba(255, 255, 255, .06);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.footer-socials a:hover {
  color: #fff;
  background: rgba(0, 170, 220, .22);
  transform: translateY(-1px);
}

.footer-grid h3 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  text-transform: uppercase;
}

.footer-grid ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-grid li,
.footer-grid a {
  color: rgba(255, 255, 255, .72);
  font-size: 14px;
}

.footer-grid a:hover {
  color: #8fdfff;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 42px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  color: rgba(255, 255, 255, .58);
  font-size: 13px;
}

.footer-bottom a {
  color: rgba(255, 255, 255, .72);
}

.footer-bottom a:hover {
  color: #8fdfff;
}

.floating-contact {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 50;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--gradient-blue);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  box-shadow: 0 16px 34px rgba(0, 114, 206, .3);
}

.floating-contact:hover {
  color: #fff;
  transform: translateY(-1px);
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0;
  background:
    radial-gradient(circle at 10% 12%, rgba(0, 170, 220, .15), transparent 30%),
    linear-gradient(180deg, #fff 0%, #f6fbfe 100%);
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 114, 206, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 114, 206, .08) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, .62), transparent 74%);
}

.page-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 48px;
  align-items: center;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  align-items: center;
  margin-bottom: 18px;
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 700;
}

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

.breadcrumb span {
  color: var(--color-ink);
}

.breadcrumb i {
  color: var(--color-line);
  font-style: normal;
}

.page-hero h1 {
  max-width: 780px;
  margin: 0;
  color: var(--color-ink);
  font-size: 46px;
  font-weight: 700;
  line-height: 1.12;
}

.page-hero p {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.78;
}

.page-hero-card,
.contact-info-card,
.selection-card,
.spec-card,
.model-card,
.document-card,
.aside-card {
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.page-hero-card {
  display: grid;
  gap: 18px;
  padding: 24px;
}

.product-visual-card {
  overflow: hidden;
  padding: 0;
}

.product-visual-card .hero-media {
  border: 0;
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  box-shadow: none;
}

.product-visual-card .hero-card-content {
  display: grid;
  gap: 18px;
  padding: 24px;
}

.product-hero-slideshow {
  aspect-ratio: 16 / 9;
}

.page-hero-card strong {
  display: block;
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: 21px;
  line-height: 1.3;
}

.page-hero-card p {
  margin: 0;
  font-size: 14px;
}

.hero-card-list,
.feature-list,
.spec-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-card-list li,
.feature-list li,
.spec-list li {
  position: relative;
  padding-left: 18px;
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.58;
}

@media (prefers-reduced-motion: reduce) {
  .hero-media .hero-slide {
    animation: none;
  }

  .hero-media .hero-slide:first-of-type {
    opacity: 1;
    transform: none;
  }
}

.hero-card-list li::before,
.feature-list li::before,
.spec-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gradient-blue);
}

.contact-page-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 42px;
  align-items: start;
}

.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.contact-info-card {
  display: flex;
  gap: 14px;
  min-height: 132px;
  align-items: flex-start;
  padding: 20px;
  color: var(--color-ink);
}

.contact-info-card:hover .icon-box {
  color: #fff;
  border-color: transparent;
  background: var(--gradient-blue);
  box-shadow: 0 14px 30px rgba(0, 114, 206, .24);
}

.contact-info-card strong {
  display: block;
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: 17px;
  line-height: 1.32;
}

.contact-info-card span:not(.icon-box),
.contact-info-card small {
  display: block;
  margin-top: 6px;
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.55;
}

.contact-info-card.address-card {
  grid-column: 1 / -1;
}

.address-lines {
  display: grid;
  gap: 6px;
  margin-top: 8px;
}

.address-lines span {
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.55;
}

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

.process-card {
  min-height: 190px;
  padding: 22px;
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-card);
  background: var(--color-surface);
}

.process-card .step {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  border-radius: 50%;
  color: #fff;
  background: var(--gradient-blue);
  font-family: var(--font-heading);
  font-weight: 800;
}

.process-card h3 {
  margin: 0 0 8px;
  color: var(--color-ink);
  font-size: 18px;
}

.process-card p {
  margin: 0;
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.66;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, .98fr) minmax(0, 1.02fr);
  gap: 46px;
  align-items: start;
}

.product-visual-card {
  position: sticky;
  top: 112px;
  overflow: hidden;
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-card);
  background: linear-gradient(135deg, #f8fbfe, #edf7fc);
  box-shadow: var(--shadow-premium);
}

.product-visual-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.product-visual-caption {
  display: grid;
  gap: 6px;
  padding: 20px;
  background: rgba(255, 255, 255, .9);
}

.product-visual-caption span {
  color: var(--color-blue);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.product-visual-caption strong {
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: 19px;
  line-height: 1.3;
}

.detail-copy h2,
.selection-card h2,
.aside-card h2 {
  margin: 0 0 14px;
  color: var(--color-ink);
  font-size: 30px;
  line-height: 1.2;
}

.detail-copy p {
  margin: 0 0 16px;
  color: var(--color-text);
  font-size: 15px;
  line-height: 1.78;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.spec-card {
  padding: 20px;
}

.spec-card strong {
  display: block;
  color: var(--color-blue);
  font-family: var(--font-heading);
  font-size: 24px;
  line-height: 1;
}

.spec-card span {
  display: block;
  margin-top: 8px;
  color: var(--color-text);
  font-size: 13px;
  line-height: 1.5;
}

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

.model-card {
  display: grid;
  gap: 14px;
  padding: 22px;
}

.model-card h3 {
  margin: 0;
  color: var(--color-ink);
  font-size: 19px;
}

.model-card p {
  margin: 0;
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.68;
}

.selection-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  align-items: start;
}

.selection-card,
.aside-card {
  padding: 24px;
}

.document-list {
  display: grid;
  gap: 12px;
}

.document-card {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  color: var(--color-ink);
}

.document-card span {
  color: var(--color-blue);
  font-size: 13px;
  font-weight: 800;
}

.catalog-stat-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  max-width: 760px;
  margin: 30px 0 0;
  padding: 0;
}

.catalog-stat-strip div {
  padding: 16px;
  border: 1px solid rgba(0, 114, 206, .14);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, .72);
  box-shadow: 0 12px 28px rgba(10, 42, 74, .06);
}

.catalog-stat-strip dt {
  margin: 0;
  color: var(--color-blue);
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
}

.catalog-stat-strip dd {
  margin: 7px 0 0;
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.35;
}

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

.category-summary-card,
.catalog-card,
.ordering-card,
.accessory-card,
.data-table-wrap {
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: 0 1px 0 rgba(10, 42, 74, .02);
}

.category-summary-card {
  display: flex;
  gap: 16px;
  min-height: 186px;
  padding: 24px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.category-summary-card:hover,
.catalog-card:hover,
.ordering-card:hover,
.accessory-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 114, 206, .28);
  box-shadow: var(--shadow-hover);
}

.category-summary-card:hover .icon-box,
.catalog-card:hover .icon-box,
.accessory-card:hover .icon-box {
  color: #fff;
  border-color: transparent;
  background: var(--gradient-blue);
  box-shadow: 0 14px 30px rgba(0, 114, 206, .24);
}

.category-summary-card strong {
  display: block;
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: 20px;
  line-height: 1.28;
}

.category-summary-card span:not(.icon-box) {
  display: block;
  margin-top: 5px;
  color: var(--color-blue);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.category-summary-card p {
  margin: 12px 0 0;
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.68;
}

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

.visual-gallery-card {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-card);
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.visual-gallery-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 114, 206, .28);
  box-shadow: var(--shadow-hover);
}

.visual-gallery-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  padding: 18px;
  object-fit: contain;
  background:
    radial-gradient(circle at 78% 24%, rgba(0, 170, 220, .14), transparent 34%),
    linear-gradient(145deg, #ffffff 0%, #f3f8fc 100%);
  transition: transform var(--transition);
}

.visual-gallery-card:hover img {
  transform: scale(1.035);
}

.visual-gallery-card figcaption {
  display: grid;
  gap: 6px;
  padding: 16px 18px 18px;
  border-top: 1px solid var(--color-line-soft);
}

.visual-gallery-card strong {
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: 16px;
  line-height: 1.35;
}

.visual-gallery-card span {
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.55;
}

.catalog-toolbar {
  position: relative;
  display: grid;
  grid-template-columns: minmax(260px, .9fr) minmax(0, 1.1fr) auto;
  gap: 14px;
  align-items: center;
  margin-bottom: 22px;
  padding: 14px;
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, .86);
  box-shadow: var(--shadow-soft);
}

.catalog-search {
  display: flex;
  min-height: 48px;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-control);
  color: var(--color-blue);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.catalog-search:focus-within {
  border-color: rgba(0, 114, 206, .72);
  box-shadow: 0 0 0 4px rgba(0, 114, 206, .12);
}

.catalog-search input {
  width: 100%;
  min-width: 0;
  border: 0;
  color: var(--color-ink);
  background: transparent;
  outline: none;
  font-size: 14px;
}

.catalog-search input::placeholder {
  color: #8a9aab;
}

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

.filter-button {
  min-height: 40px;
  padding: 0 13px;
  border: 1px solid rgba(0, 114, 206, .16);
  border-radius: var(--radius-control);
  color: var(--color-blue-dark);
  background: rgba(255, 255, 255, .78);
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
  transition: color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.filter-button:hover,
.filter-button.active {
  color: #fff;
  border-color: transparent;
  background: var(--gradient-blue);
  box-shadow: 0 12px 24px rgba(0, 114, 206, .2);
}

.catalog-count {
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

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

.catalog-card,
.accessory-card {
  display: grid;
  gap: 14px;
  min-width: 0;
  padding: 22px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.catalog-card[hidden] {
  display: none;
}

.catalog-card-head {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.catalog-card .product-code,
.accessory-card .product-code {
  max-width: 72%;
  text-align: right;
  overflow-wrap: anywhere;
}

.catalog-card h3,
.accessory-card h3,
.ordering-card h3 {
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.28;
}

.catalog-card p,
.accessory-card p,
.ordering-card p {
  margin: 0;
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.66;
}

.catalog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.catalog-meta span {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 9px;
  border: 1px solid rgba(0, 114, 206, .12);
  border-radius: var(--radius-control);
  color: var(--color-blue-dark);
  background: var(--gradient-soft);
  font-size: 11px;
  font-weight: 800;
}

.catalog-specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.catalog-spec {
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-control);
  background: #f9fcfe;
}

.catalog-spec strong {
  display: block;
  color: var(--color-muted);
  font-size: 10px;
  font-weight: 800;
  line-height: 1.25;
  text-transform: uppercase;
}

.catalog-spec span {
  display: block;
  margin-top: 4px;
  color: var(--color-ink);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.catalog-empty {
  margin: 22px 0 0;
  padding: 18px;
  border: 1px solid rgba(0, 114, 206, .14);
  border-radius: var(--radius-card);
  color: var(--color-text);
  background: #fff;
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.ordering-grid,
.accessory-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.ordering-card {
  display: grid;
  gap: 12px;
  min-width: 0;
  padding: 20px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.ordering-card > span {
  color: var(--color-blue);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.ordering-card code {
  display: block;
  padding: 10px;
  border: 1px solid rgba(0, 114, 206, .12);
  border-radius: var(--radius-control);
  color: var(--color-blue-dark);
  background: var(--gradient-soft);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.ordering-card ul {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ordering-card li {
  position: relative;
  padding-left: 14px;
  color: var(--color-muted);
  font-size: 12px;
  line-height: 1.45;
}

.ordering-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gradient-blue);
}

.ordering-card > strong {
  color: var(--color-ink);
  font-size: 12px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.accessory-card {
  min-height: 250px;
}

.data-table-wrap {
  overflow-x: auto;
  box-shadow: var(--shadow-soft);
}

.table-gap {
  margin-top: 18px;
}

.data-table {
  width: 100%;
  min-width: 840px;
  border-collapse: collapse;
  color: var(--color-text);
  font-size: 13px;
}

.data-table th,
.data-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--color-line-soft);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: var(--color-ink);
  background: #f6fafe;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  white-space: nowrap;
}

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

.data-table tbody tr:hover {
  background: rgba(0, 114, 206, .04);
}

.part-lookup-panel {
  padding: 20px;
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-premium);
}

.part-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.part-summary-grid div {
  padding: 16px;
  border: 1px solid rgba(0, 114, 206, .12);
  border-radius: var(--radius-card);
  background: var(--gradient-soft);
}

.part-summary-grid strong {
  display: block;
  color: var(--color-blue);
  font-family: var(--font-heading);
  font-size: 26px;
  line-height: 1;
}

.part-summary-grid span {
  display: block;
  margin-top: 7px;
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 800;
}

.part-toolbar {
  display: grid;
  grid-template-columns: minmax(260px, 1.35fr) repeat(4, minmax(118px, .6fr)) auto;
  gap: 12px;
  align-items: end;
  margin-bottom: 12px;
}

.part-search {
  min-height: 52px;
}

.part-select-label {
  display: grid;
  gap: 6px;
  min-width: 0;
  color: var(--color-ink);
  font-size: 12px;
  font-weight: 800;
}

.part-select-label span {
  color: var(--color-muted);
  text-transform: uppercase;
}

.part-select-label select {
  width: 100%;
  min-width: 0;
  min-height: 52px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-control);
  padding: 0 12px;
  color: var(--color-ink);
  background: #fff;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.part-select-label select:focus {
  border-color: rgba(0, 114, 206, .72);
  box-shadow: 0 0 0 4px rgba(0, 114, 206, .12);
}

.part-reset {
  min-height: 52px;
  align-self: end;
}

.part-status-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin: 4px 0 14px;
}

.part-hint {
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.45;
  text-align: right;
}

.part-table-wrap {
  max-width: 100%;
  max-height: 680px;
  overflow: auto;
}

.part-table {
  min-width: 1480px;
}

.part-table th {
  position: sticky;
  top: 0;
  z-index: 2;
}

.part-number-cell strong {
  display: block;
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: 13px;
  line-height: 1.25;
  white-space: nowrap;
}

.part-number-cell span {
  display: block;
  margin-top: 4px;
  color: var(--color-muted);
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}

.color-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--color-ink);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.color-chip i {
  width: 10px;
  height: 10px;
  border: 1px solid rgba(10, 25, 41, .12);
  border-radius: 50%;
  background: var(--color-line);
}

.color-chip.color-red i {
  background: var(--color-red);
}

.color-chip.color-green i {
  background: var(--color-green);
}

.color-chip.color-amber i {
  background: var(--color-amber);
}

.color-chip.color-blue i {
  background: var(--color-blue);
}

.color-chip.color-white i {
  background: #fff;
}

.color-chip.color-2-colors i,
.color-chip.color-3-colors i,
.color-chip.color-7-color i {
  background: conic-gradient(var(--color-red), var(--color-amber), var(--color-green), var(--color-blue), var(--color-red));
}

.part-description {
  min-width: 250px;
}

.part-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 18px;
}

@media (max-width: 1100px) {
  .category-grid,
  .application-grid,
  .category-summary-grid,
  .catalog-grid,
  .ordering-grid,
  .accessory-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 42px;
    min-height: auto;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero h1 {
    max-width: 760px;
  }

  .hero-visual::before {
    inset: 24px 20px 10px 34px;
  }

  .page-hero-grid,
  .product-detail-grid,
  .selection-grid {
    grid-template-columns: 1fr;
  }

  .product-visual-card {
    position: static;
  }

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

@media (max-width: 980px) {
  :root {
    --header-height: 68px;
  }

  section[id] {
    scroll-margin-top: 84px;
  }

  .topbar {
    display: none;
  }

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

  .nav-menu {
    position: fixed;
    inset: 68px 16px auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    max-height: calc(100vh - 88px);
    overflow: auto;
    padding: 12px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-card);
    background: rgba(255, 255, 255, .98);
    box-shadow: var(--shadow-premium);
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-link,
  .quote-link {
    justify-content: flex-start;
    min-height: 46px;
    width: 100%;
  }

  .quote-link {
    margin-left: 0;
    justify-content: center;
  }

  .trust-grid,
  .product-grid,
  .why-grid,
  .contact-grid,
  .footer-grid,
  .contact-page-grid,
  .process-grid,
  .model-grid,
  .visual-gallery-grid,
  .catalog-toolbar {
    grid-template-columns: 1fr 1fr;
  }

  .why-grid,
  .contact-grid {
    gap: 32px;
  }

  .cta-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 32px, var(--container));
  }

  .hero-grid {
    padding: 54px 0 58px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero p {
    font-size: 16px;
  }

  .hero-stats,
  .catalog-stat-strip,
  .part-summary-grid,
  .trust-grid,
  .category-grid,
  .product-grid,
  .application-grid,
  .why-grid,
  .contact-grid,
  .contact-page-grid,
  .footer-grid,
  .category-summary-grid,
  .visual-gallery-grid,
  .catalog-grid,
  .ordering-grid,
  .accessory-grid,
  .catalog-toolbar,
  .part-toolbar {
    grid-template-columns: 1fr;
  }

  .trust-strip {
    margin-top: 0;
    padding: 24px 0 0;
    background: var(--color-soft);
  }

  .section {
    padding: 64px 0;
  }

  .section-intro h2,
  .why-copy h2,
  .contact-copy h2,
  .cta-inner h2,
  .page-hero h1 {
    font-size: 30px;
  }

  .section-intro {
    margin-bottom: 28px;
    text-align: left;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .page-hero {
    padding: 54px 0;
  }

  .contact-info-grid,
  .process-grid,
  .model-grid,
  .spec-grid {
    grid-template-columns: 1fr;
  }

  .catalog-count {
    white-space: normal;
  }

  .part-status-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .part-hint {
    text-align: left;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .brand-mark {
    width: 38px;
    height: 38px;
    font-size: 21px;
  }

  .brand-text strong {
    font-size: 17px;
  }

  .hero h1 {
    font-size: 33px;
  }

  .hero-actions {
    display: grid;
  }

  .hero-media-caption {
    position: static;
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
    border-radius: 0;
    max-width: none;
  }

  .category-card,
  .product-card,
  .application-card,
  .contact-form,
  .why-panel {
    padding: 20px;
  }

  .why-number {
    font-size: 64px;
  }

  .floating-contact {
    right: 16px;
    bottom: 16px;
  }
}