:root {
  --ink: #111318;
  --ink-soft: #39404a;
  --panel: #ffffff;
  --paper: #f5f7f8;
  --line: #dde2e7;
  --steel: #2c343b;
  --steel-2: #171b20;
  --cyan: #00a9de;
  --cyan-dark: #0076a8;
  --green: #12a06a;
  --red: #d33b32;
  --amber: #b97920;
  --shadow: 0 20px 55px rgba(17, 19, 24, 0.14);
  --shell: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  font-family:
    Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial,
    sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
  background: var(--paper);
}

body.menu-open,
body.dialog-open,
body.search-open {
  overflow: hidden;
}

body.dialog-open {
  position: fixed;
  top: calc(var(--dialog-scroll-y, 0px) * -1);
  right: 0;
  left: 0;
  width: 100%;
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

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

.section {
  padding: 96px 0;
  scroll-margin-top: 88px;
}

.section-band {
  position: relative;
  width: 100%;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  display: grid;
  grid-template-columns: minmax(160px, 250px) 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 74px;
  padding: 12px 28px;
  color: #ffffff;
  transition:
    background 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease,
    min-height 180ms ease;
}

.site-header.is-scrolled {
  min-height: 66px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 12px 28px rgba(17, 19, 24, 0.1);
  backdrop-filter: blur(16px);
}

.brand {
  width: 250px;
  max-width: 100%;
}

.brand img {
  width: 100%;
  height: 34px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.site-header.is-scrolled .brand img {
  filter: brightness(0);
}

.desktop-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  padding: 4px;
  background: rgba(17, 19, 24, 0.18);
}

.site-header.is-scrolled .desktop-nav {
  border-color: var(--line);
  background: rgba(245, 247, 248, 0.9);
}

.desktop-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  color: currentColor;
  font-size: 0.92rem;
  font-weight: 650;
  white-space: nowrap;
}

.desktop-nav a:hover,
.desktop-nav a.is-active {
  color: #ffffff;
  background: var(--cyan-dark);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.icon-button,
.primary-action,
.hero-button,
.download-tile a,
.compare-bar button,
.product-card__button,
.detail-actions a,
.detail-actions button,
.product-card__compare,
.choice-chip,
.filter-chip,
.tab-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 750;
  line-height: 1.1;
  transition:
    transform 160ms ease,
    background 160ms ease,
    color 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.icon-button {
  width: 42px;
  padding: 0;
  color: currentColor;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.26);
}

.site-header.is-scrolled .icon-button {
  background: #ffffff;
  border-color: var(--line);
}

.icon-button svg,
.primary-action svg,
.hero-button svg,
.download-tile svg,
.compare-bar svg,
.detail-actions svg,
.product-card__button svg,
.contact-list svg,
.prep-item svg {
  width: 18px;
  height: 18px;
  stroke-width: 2.2;
  flex: 0 0 auto;
}

.icon-button:hover,
.primary-action:hover,
.hero-button:hover,
.download-tile a:hover,
.compare-bar button:hover,
.product-card__button:hover,
.detail-actions a:hover,
.detail-actions button:hover {
  transform: translateY(-1px);
}

.primary-action {
  padding: 0 16px;
  color: #ffffff;
  background: var(--cyan-dark);
}

.primary-action:hover {
  background: var(--red);
}

.menu-button {
  display: none;
}

.mobile-panel {
  position: fixed;
  z-index: 60;
  inset: 0 0 0 auto;
  width: min(390px, 92vw);
  padding: 22px;
  color: var(--ink);
  background: #ffffff;
  box-shadow: -20px 0 55px rgba(17, 19, 24, 0.2);
  transform: translateX(105%);
  transition: transform 220ms ease;
}

.mobile-panel.is-open {
  transform: translateX(0);
}

.mobile-panel__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.mobile-panel__top img {
  width: 170px;
}

.mobile-panel .icon-button {
  color: var(--ink);
  border-color: var(--line);
  background: var(--paper);
}

.mobile-panel a {
  display: flex;
  align-items: center;
  min-height: 54px;
  border-bottom: 1px solid var(--line);
  font-size: 1.08rem;
  font-weight: 750;
}

.hero {
  min-height: 680px;
  padding-top: 120px;
  padding-bottom: 48px;
  color: #ffffff;
  overflow: hidden;
}

.hero__media,
.hero__overlay {
  position: absolute;
  inset: 0;
}

.hero__media {
  overflow: hidden;
  background-image: url("assets/industrial-wide-placeholder.webp");
  background-position: center;
  background-size: cover;
}

.hero__media picture {
  position: absolute;
  inset: -2%;
  display: block;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.025);
  animation: hero-breath 18s ease-in-out infinite;
  will-change: transform, filter;
}

.hero__media::after {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 72% 68%, rgba(50, 169, 226, 0.2), transparent 27%),
    radial-gradient(circle at 58% 70%, rgba(255, 255, 255, 0.12), transparent 18%);
  content: "";
  mix-blend-mode: screen;
  opacity: 0.45;
  animation: hero-glow 7.5s ease-in-out infinite;
}

.hero__overlay {
  background:
    linear-gradient(90deg, rgba(8, 10, 13, 0.88), rgba(8, 10, 13, 0.45) 56%, rgba(8, 10, 13, 0.18)),
    rgba(8, 10, 13, 0.16);
}

@keyframes hero-breath {
  0%,
  100% {
    filter: saturate(0.98) brightness(0.96);
    transform: scale(1.025) translate3d(0, 0, 0);
  }

  50% {
    filter: saturate(1.04) brightness(1.03);
    transform: scale(1.055) translate3d(0.45%, -0.35%, 0);
  }
}

@keyframes hero-glow {
  0%,
  100% {
    opacity: 0.28;
    transform: scale(0.98);
  }

  50% {
    opacity: 0.52;
    transform: scale(1.04);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__media img,
  .hero__media::after {
    animation: none;
  }
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 1180px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 850;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 920px;
  margin: 0;
  font-size: 4.35rem;
  line-height: 1.05;
  letter-spacing: 0;
}

.hero h1 > span {
  display: block;
}

.hero h1 .title-line {
  white-space: nowrap;
}

.hero h1 .title-line span {
  display: inline;
}

.hero__lead {
  max-width: 620px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.18rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-button {
  min-height: 52px;
  padding: 0 20px;
  color: #ffffff;
  background: var(--cyan-dark);
}

.hero-button--light {
  color: var(--ink);
  background: #ffffff;
}

.hero-button:hover {
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.18);
}

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(130px, 1fr));
  gap: 14px;
  width: min(680px, 100%);
  margin-top: 52px;
}

.hero__metrics div {
  min-height: 96px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
}

.hero__metrics strong {
  display: block;
  font-size: 1.8rem;
  line-height: 1.05;
}

.hero__metrics span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.92rem;
}

.intro-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  min-height: 112px;
  color: #ffffff;
  background: var(--steel-2);
}

.intro-strip a {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 24px 28px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.intro-strip a:hover {
  background: var(--cyan-dark);
}

.intro-strip span {
  font-size: 1.28rem;
  font-weight: 850;
}

.intro-strip small {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.86rem;
}

.section-heading {
  max-width: 780px;
  margin: 0 auto 38px;
  text-align: center;
}

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

.section-heading h2 {
  margin: 0;
  font-size: 2.65rem;
  line-height: 1.12;
  letter-spacing: 0;
}

.section-heading p:not(.eyebrow) {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.product-section {
  background:
    linear-gradient(rgba(245, 247, 248, 0.92), rgba(245, 247, 248, 0.96)),
    url("assets/products-bg.webp") top center / min(1000px, 100%) auto no-repeat;
}

.product-toolbar {
  display: grid;
  grid-template-columns: minmax(260px, 360px) 1fr;
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
}

.search-field {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 12px 28px rgba(17, 19, 24, 0.06);
}

.search-field svg {
  width: 18px;
  height: 18px;
  color: var(--cyan-dark);
}

.search-field input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
}

.segmented-control,
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.segmented-control {
  justify-content: flex-end;
}

.filter-row {
  margin-bottom: 28px;
}

.choice-chip,
.filter-chip {
  min-height: 40px;
  padding: 0 14px;
  color: var(--ink-soft);
  background: #ffffff;
  border: 1px solid var(--line);
}

.choice-chip.is-active,
.filter-chip.is-active {
  color: #ffffff;
  background: var(--steel);
  border-color: var(--steel);
}

.filter-chip:hover,
.choice-chip:hover {
  border-color: var(--cyan-dark);
}

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

.product-card {
  position: relative;
  display: grid;
  grid-template-rows: 230px auto;
  min-height: 500px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 16px 34px rgba(17, 19, 24, 0.08);
  transition:
    transform 170ms ease,
    box-shadow 170ms ease,
    border-color 170ms ease;
}

.product-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 169, 222, 0.45);
  box-shadow: 0 22px 46px rgba(17, 19, 24, 0.13);
}

.product-card__media {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 230px;
  padding: 24px;
  background:
    linear-gradient(135deg, #f7f8f9, #e8edf0),
    #eef2f4;
}

.product-card__media::after {
  position: absolute;
  right: 18px;
  bottom: 14px;
  color: rgba(17, 19, 24, 0.08);
  content: attr(data-series);
  font-size: 3.4rem;
  font-weight: 900;
  line-height: 1;
}

.product-card__media img {
  position: relative;
  z-index: 1;
  width: min(82%, 220px);
  max-height: 210px;
  object-fit: contain;
}

.product-card__body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px;
}

.product-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.product-card h3 {
  margin: 0;
  font-size: 1.45rem;
  line-height: 1.18;
}

.product-card__subtitle {
  margin: 4px 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.series-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 9px;
  border-radius: 999px;
  color: #ffffff;
  background: var(--cyan-dark);
  font-size: 0.78rem;
  font-weight: 850;
  white-space: nowrap;
}

.product-card__desc {
  min-height: 54px;
  margin: 0;
  color: var(--ink-soft);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  min-height: 66px;
}

.tag-list span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink-soft);
  font-size: 0.78rem;
  background: var(--paper);
  white-space: nowrap;
}

.product-card__actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 9px;
  margin-top: auto;
}

.product-card__button {
  padding: 0 14px;
  color: #ffffff;
  background: var(--steel);
}

.product-card__compare {
  width: 44px;
  padding: 0;
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--line);
}

.product-card__compare.is-active {
  color: #ffffff;
  background: var(--green);
  border-color: var(--green);
}

.selector-section {
  color: #ffffff;
  background:
    linear-gradient(120deg, rgba(23, 27, 32, 0.96), rgba(44, 52, 59, 0.9)),
    url("assets/industrial-wide-1280.webp") center / cover;
}

.selector-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 42px;
  align-items: center;
}

.selector-section .section-heading p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.72);
}

.selector-panel {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
}

.selector-panel label {
  display: block;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 750;
}

.selector-panel select {
  width: 100%;
  min-height: 52px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  color: #ffffff;
  background: var(--steel-2);
  outline: 0;
}

.selector-result {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.selector-result h3 {
  margin: 0;
  font-size: 1.55rem;
}

.selector-result p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
}

.recommend-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.recommend-list button {
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.recommend-list button:hover {
  background: var(--cyan-dark);
}

.selector-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.selector-kpis div {
  min-height: 76px;
  padding: 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
}

.selector-kpis strong {
  display: block;
  font-size: 1.3rem;
  line-height: 1.1;
}

.selector-kpis span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.82rem;
}

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

.advantage-grid article {
  min-height: 250px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.advantage-grid svg {
  width: 34px;
  height: 34px;
  color: var(--cyan-dark);
}

.advantage-grid h3 {
  margin: 18px 0 10px;
  font-size: 1.14rem;
  line-height: 1.28;
}

.advantage-grid p {
  margin: 0;
  color: var(--ink-soft);
}

.gallery-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-top: 42px;
}

.gallery-heading h3 {
  margin: 0;
  font-size: 1.55rem;
  line-height: 1.2;
}

.gallery-heading .eyebrow {
  margin-bottom: 8px;
}

.gallery-heading span {
  color: var(--ink-soft);
  font-weight: 700;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 18px;
}

.gallery button {
  position: relative;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 14px;
  height: 430px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  cursor: pointer;
  background: #ffffff;
  box-shadow: 0 18px 38px rgba(17, 19, 24, 0.08);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.gallery img {
  width: 100%;
  height: 100%;
  min-height: 0;
  border-radius: 6px;
  object-fit: contain;
  transition: transform 220ms ease;
  background:
    linear-gradient(135deg, #f8fafb, #eef2f4),
    #f4f6f7;
}

.gallery button:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 169, 222, 0.45);
  box-shadow: 0 24px 52px rgba(17, 19, 24, 0.14);
}

.gallery button:hover img {
  transform: scale(1.015);
}

.gallery-caption {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 12px;
  border-radius: 8px;
  color: var(--ink);
  background: var(--paper);
  font-weight: 800;
  line-height: 1.25;
}

.company-section {
  color: #ffffff;
  background: var(--steel-2);
}

.company-layout {
  display: grid;
  grid-template-columns: 1fr 390px;
  gap: 56px;
  align-items: center;
}

.company-copy h2 {
  margin: 0;
  font-size: 2.4rem;
  line-height: 1.16;
}

.company-copy p:not(.eyebrow) {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.74);
}

.company-layout img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 8px;
}

.company-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.company-points span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.download-tile {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 22px;
  align-items: center;
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 16px 34px rgba(17, 19, 24, 0.07);
}

.download-tile img {
  width: 180px;
  height: 118px;
  border-radius: 8px;
  object-fit: cover;
}

.download-tile h3 {
  margin: 0;
  font-size: 1.35rem;
}

.download-tile p {
  margin: 8px 0 18px;
  color: var(--ink-soft);
}

.download-tile a {
  min-height: 44px;
  padding: 0 14px;
  width: fit-content;
  color: #ffffff;
  background: var(--steel);
}

.partner-section {
  overflow: hidden;
  padding: 22px 0;
  background: #ffffff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.partner-track {
  display: flex;
  gap: 18px;
  width: max-content;
  animation: partner-scroll 42s linear infinite;
}

.partner-track:hover {
  animation-play-state: paused;
}

.partner-logo {
  display: grid;
  place-items: center;
  width: 178px;
  height: 86px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.partner-logo img {
  max-width: 150px;
  max-height: 62px;
  object-fit: contain;
}

@keyframes partner-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.contact-section {
  background:
    linear-gradient(90deg, rgba(245, 247, 248, 0.96), rgba(245, 247, 248, 0.86)),
    url("assets/products-bg.webp") center / cover no-repeat;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(360px, 0.78fr) minmax(520px, 0.92fr);
  gap: clamp(32px, 5vw, 70px);
  align-items: center;
}

.contact-copy {
  max-width: 660px;
}

.contact-copy h2 {
  margin: 0;
  font-size: clamp(2.45rem, 3.4vw, 3.65rem);
  line-height: 1.15;
  text-wrap: balance;
}

.contact-copy p {
  max-width: 560px;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.contact-address {
  margin: 26px 0;
  font-style: normal;
  color: var(--ink-soft);
  font-weight: 650;
  line-height: 1.7;
}

.contact-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  max-width: 620px;
}

.contact-list a {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  min-height: 76px;
  padding: 13px 14px;
  border: 1px solid rgba(207, 216, 224, 0.76);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.64);
  box-shadow: 0 12px 30px rgba(31, 43, 53, 0.06);
}

.contact-list a:first-child,
.contact-list a:nth-child(2) {
  background: rgba(255, 255, 255, 0.88);
}

.contact-list a:nth-child(5) {
  grid-column: 1 / -1;
}

.contact-list a svg {
  width: 22px;
  height: 22px;
  color: var(--cyan-dark);
}

.contact-list a span {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.contact-list a em {
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-style: normal;
  font-weight: 750;
}

.contact-list a strong {
  min-width: 0;
  color: var(--ink);
  font-size: 0.94rem;
  font-weight: 850;
  line-height: 1.28;
  word-break: break-word;
}

.contact-list a:hover {
  border-color: rgba(0, 130, 177, 0.36);
  color: var(--cyan-dark);
  transform: translateY(-1px);
}

.contact-panel {
  display: grid;
  gap: 24px;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.contact-panel.is-highlighted {
  border-color: rgba(0, 130, 177, 0.46);
  box-shadow: 0 26px 74px rgba(0, 130, 177, 0.2);
  transform: translateY(-2px);
}

.contact-panel__head {
  display: grid;
  gap: 10px;
}

.contact-panel__head h3 {
  margin: 0;
  color: var(--ink);
  font-size: 1.55rem;
  line-height: 1.2;
}

.contact-panel__head p {
  margin: 0;
  color: var(--ink-soft);
}

.contact-focus {
  display: grid;
  grid-template-columns: 26px minmax(0, auto) minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid rgba(0, 130, 177, 0.24);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(0, 130, 177, 0.08);
}

.contact-focus[hidden] {
  display: none;
}

.contact-focus svg {
  width: 21px;
  height: 21px;
  color: var(--cyan-dark);
}

.contact-focus span {
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 750;
}

.contact-focus strong {
  min-width: 0;
  font-weight: 850;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.prep-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.prep-item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  column-gap: 12px;
  row-gap: 4px;
  min-height: 116px;
  padding: 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.prep-item:nth-child(2n) {
  border-right: 0;
}

.prep-item:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.prep-item svg {
  grid-row: 1 / span 2;
  width: 24px;
  height: 24px;
  color: var(--cyan-dark);
}

.prep-item strong {
  color: var(--ink);
}

.prep-item span {
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.55;
}

.response-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.response-flow div {
  min-height: 132px;
  padding: 16px;
  border: 1px solid rgba(207, 216, 224, 0.78);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #f7fafc);
}

.response-flow span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 24px;
  margin-bottom: 12px;
  border-radius: 999px;
  color: #ffffff;
  background: var(--cyan-dark);
  font-size: 0.78rem;
  font-weight: 850;
}

.response-flow strong {
  display: block;
  color: var(--ink);
  font-weight: 850;
}

.response-flow p {
  margin: 7px 0 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.5;
}

.site-footer {
  color: rgba(255, 255, 255, 0.76);
  background: var(--steel-2);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 72px;
  padding: 18px 0;
  text-align: center;
  font-size: 0.92rem;
}

.site-footer a {
  color: #ffffff;
  font-weight: 750;
}

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

.compare-bar {
  position: fixed;
  z-index: 35;
  right: 18px;
  bottom: 18px;
  left: 18px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  width: min(880px, calc(100% - 36px));
  margin: 0 auto;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 20px 58px rgba(17, 19, 24, 0.2);
  backdrop-filter: blur(16px);
}

.compare-bar[hidden] {
  display: none;
}

.compare-bar strong,
.compare-bar span {
  display: block;
  line-height: 1.2;
}

.compare-bar span {
  color: var(--ink-soft);
  font-size: 0.86rem;
}

.compare-items {
  display: flex;
  gap: 8px;
  overflow: hidden;
}

.compare-pill {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 38px;
  align-items: center;
  gap: 8px;
  width: 158px;
  min-height: 46px;
  padding: 0 8px 0 16px;
  border: 1px solid #cfd7de;
  border-radius: 8px;
  color: var(--ink);
  background: #f3f6f8;
  font-weight: 850;
  white-space: nowrap;
}

.compare-pill__label {
  min-width: 0;
  overflow: hidden;
  color: var(--ink) !important;
  font-size: 1rem !important;
  text-overflow: ellipsis;
}

.compare-pill button {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  min-height: 38px;
  padding: 0;
  border: 0;
  border-radius: 8px;
  color: #ffffff;
  background: var(--steel);
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 900;
}

.compare-bar > button {
  min-height: 42px;
  padding: 0 14px;
  color: #ffffff !important;
  background: var(--cyan-dark);
}

.compare-bar > button span,
.compare-bar > button svg {
  color: #ffffff;
  stroke: #ffffff;
}

dialog {
  border: 0;
  padding: 0;
  color: var(--ink);
  background: transparent;
}

dialog::backdrop {
  background: rgba(8, 10, 13, 0.64);
  backdrop-filter: blur(7px);
}

.compare-dialog {
  position: relative;
  width: min(1040px, calc(100% - 32px));
  max-height: min(840px, calc(100vh - 32px));
  overflow: auto;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.32);
}

.product-dialog {
  position: relative;
  width: min(1280px, calc(100% - 32px));
  max-height: min(840px, calc(100vh - 32px));
  overflow: hidden;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.32);
}

.dialog-close {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 3;
  margin: 0;
  color: var(--ink);
  background: #ffffff;
  border-color: var(--line);
  box-shadow: 0 10px 30px rgba(17, 19, 24, 0.16);
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(330px, 420px) minmax(0, 1fr);
  align-items: start;
  gap: 34px;
  max-height: min(840px, calc(100vh - 32px));
  padding: 36px;
  overflow: hidden;
}

.detail-media {
  display: grid;
  place-items: center;
  align-self: start;
  height: min(620px, calc(100vh - 104px));
  min-height: 420px;
  border-radius: 8px;
  background: var(--paper);
}

.detail-media img {
  width: min(82%, 380px);
  max-height: 420px;
  object-fit: contain;
}

.detail-content {
  min-width: 0;
  max-height: calc(100vh - 104px);
  overflow: auto;
  padding-right: 72px;
}

.detail-content h2 {
  margin: 0;
  font-size: 2.5rem;
  line-height: 1.1;
}

.detail-content .detail-subtitle {
  margin: 6px 0 14px;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.detail-summary {
  color: var(--ink-soft);
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0;
}

.detail-actions a,
.detail-actions button {
  min-height: 46px;
  padding: 0 14px;
  color: #ffffff;
  background: var(--steel);
}

.detail-actions button {
  background: var(--cyan-dark);
}

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.tab-button {
  min-height: 38px;
  padding: 0 12px;
  color: var(--ink-soft);
  background: #ffffff;
  border: 1px solid var(--line);
}

.tab-button.is-active {
  color: #ffffff;
  background: var(--steel);
  border-color: var(--steel);
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

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

.feature-list li {
  position: relative;
  padding-left: 22px;
  color: var(--ink-soft);
}

.feature-list li::before {
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan-dark);
  content: "";
}

.spec-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.spec-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  background: #ffffff;
}

.spec-table th,
.spec-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.spec-table thead th {
  color: var(--ink);
  background: #e9eef2;
  font-weight: 850;
}

.spec-table tbody th {
  width: 22%;
  color: var(--ink);
  background: var(--paper);
  font-weight: 850;
}

.spec-table tbody td:first-of-type {
  width: 28%;
  font-weight: 750;
}

.spec-table tr:last-child th,
.spec-table tr:last-child td {
  border-bottom: 0;
}

.compare-table-wrap {
  padding: 30px;
  overflow-x: auto;
}

.compare-table-wrap h2 {
  margin: 0 0 20px;
  font-size: 2rem;
}

.compare-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

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

.compare-table th {
  background: var(--paper);
}

.compare-table img {
  width: 120px;
  height: 100px;
  object-fit: contain;
}

.gallery-dialog {
  width: min(760px, calc(100% - 32px));
  border-radius: 8px;
  overflow: hidden;
  background: #ffffff;
}

.gallery-dialog img {
  width: 100%;
  max-height: calc(100vh - 90px);
  object-fit: contain;
  background: var(--steel-2);
}

.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: grid;
  place-items: start center;
  padding: 100px 20px 20px;
  background: rgba(8, 10, 13, 0.64);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.search-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.search-box {
  width: min(720px, 100%);
  padding: 22px;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.32);
}

.search-box > .icon-button {
  float: right;
  color: var(--ink);
  background: var(--paper);
  border-color: var(--line);
}

.search-box label {
  display: grid;
  gap: 10px;
  clear: both;
  font-weight: 850;
}

.search-box input {
  min-height: 54px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: 0;
  background: var(--paper);
}

.search-results {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.search-result {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 14px;
  align-items: center;
  min-height: 86px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.search-result img {
  width: 70px;
  height: 66px;
  object-fit: contain;
  border-radius: 8px;
  background: var(--paper);
}

.search-result h3,
.search-result p {
  margin: 0;
}

.search-result p {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.search-result button {
  min-height: 38px;
  padding: 0 12px;
  border: 0;
  border-radius: 8px;
  color: #ffffff;
  background: var(--steel);
  cursor: pointer;
  font-weight: 750;
}

.back-to-top {
  position: fixed;
  z-index: 34;
  right: 18px;
  bottom: 18px;
  color: #ffffff;
  background: var(--steel);
  border-color: rgba(255, 255, 255, 0.1);
  opacity: 0;
  pointer-events: none;
}

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

.compare-bar:not([hidden]) ~ .back-to-top {
  bottom: 102px;
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: minmax(160px, 220px) 1fr auto;
  }

  .desktop-nav {
    display: none;
  }

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

  .hero h1 {
    font-size: 3.55rem;
  }

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

  .selector-layout,
  .company-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .company-layout img {
    width: min(420px, 100%);
  }
}

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

  .section {
    padding: 72px 0;
  }

  .site-header {
    grid-template-columns: 1fr auto;
    padding: 10px 16px;
  }

  .brand {
    width: 174px;
  }

  .brand img {
    height: 28px;
  }

  .primary-action span {
    display: none;
  }

  .hero {
    min-height: 650px;
    padding-top: 116px;
    padding-bottom: 34px;
  }

  .hero__overlay {
    background: rgba(8, 10, 13, 0.7);
  }

  .hero h1 {
    font-size: 2.55rem;
    line-height: 1.1;
  }

  .hero__lead {
    font-size: 1rem;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero-button {
    width: 100%;
  }

  .hero__metrics {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-top: 24px;
  }

  .hero__metrics div {
    min-height: 76px;
    padding: 12px;
  }

  .hero__metrics strong {
    font-size: 1.2rem;
  }

  .hero__metrics span {
    margin-top: 5px;
    font-size: 0.78rem;
  }

  .intro-strip {
    grid-template-columns: 1fr;
  }

  .product-toolbar,
  .download-grid {
    grid-template-columns: 1fr;
  }

  .contact-panel {
    padding: 22px;
  }

  .contact-list,
  .response-flow {
    grid-template-columns: 1fr;
  }

  .contact-list a {
    width: 100%;
    min-width: 0;
    word-break: break-word;
  }

  .prep-grid {
    grid-template-columns: 1fr;
  }

  .prep-item,
  .prep-item:nth-child(2n),
  .prep-item:nth-last-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .prep-item:last-child {
    border-bottom: 0;
  }

  .segmented-control {
    justify-content: flex-start;
  }

  .product-grid,
  .advantage-grid,
  .gallery {
    grid-template-columns: 1fr;
  }

  .gallery-heading {
    align-items: start;
    flex-direction: column;
  }

  .product-card {
    grid-template-rows: 210px auto;
    min-height: 470px;
  }

  .section-heading h2,
  .company-copy h2,
  .contact-copy h2 {
    font-size: 2rem;
  }

  .selector-kpis {
    grid-template-columns: 1fr;
  }

  .gallery button {
    height: 380px;
  }

  .download-tile {
    grid-template-columns: 1fr;
  }

  .download-tile img {
    width: 100%;
    height: 170px;
  }

  .site-footer__inner {
    flex-direction: column;
    gap: 6px;
  }

  .compare-bar {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .compare-items {
    flex-wrap: wrap;
  }

  .compare-pill {
    width: min(100%, 190px);
  }

  .compare-bar > button {
    width: 100%;
  }

  .detail-grid {
    grid-template-columns: 1fr;
    max-height: none;
    overflow: visible;
    padding: 22px;
  }

  .detail-media {
    height: auto;
    min-height: 320px;
  }

  .detail-content {
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }

  .product-dialog {
    overflow: auto;
  }

  .detail-content h2 {
    font-size: 2rem;
  }

  .search-result {
    grid-template-columns: 60px 1fr;
  }

  .search-result button {
    grid-column: 1 / -1;
  }
}

@media (max-width: 430px) {
  .header-actions {
    gap: 7px;
  }

  .primary-action,
  .icon-button {
    width: 40px;
    min-height: 40px;
    padding: 0;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero h1 .title-line {
    white-space: normal;
  }

  .choice-chip,
  .filter-chip {
    flex: 1 1 auto;
  }

  .product-card__actions {
    grid-template-columns: 1fr;
  }

  .product-card__compare {
    width: 100%;
  }
}