:root {
  --navy: #26377d;
  --navy-deep: #101a3b;
  --navy-dark: #091126;
  --green: #2fba59;
  --green-bright: #45d56f;
  --ink: #16191f;
  --muted: #6b7079;
  --line: #dfe2e7;
  --paper: #f5f6f3;
  --white: #ffffff;
  --copper: #c67a45;
  --radius: 3px;
  --shell: min(1240px, calc(100vw - 80px));
  --shadow: 0 30px 70px rgba(14, 25, 58, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body.modal-open {
  overflow: hidden;
}

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

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

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 12px 18px;
  color: var(--white);
  background: var(--navy);
  transform: translateY(-150%);
}

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

.page-shell {
  width: var(--shell);
  margin-inline: auto;
}

.section {
  padding: 130px 0;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(22, 25, 31, 0.1);
  backdrop-filter: blur(15px);
}

.header-inner {
  display: grid;
  grid-template-columns: 190px 1fr 190px;
  align-items: center;
  width: var(--shell);
  height: 84px;
  margin-inline: auto;
}

.brand {
  display: block;
  width: 176px;
  height: 64px;
}

.brand img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
}

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: 27px;
}

.desktop-nav a {
  position: relative;
  padding: 31px 0;
  color: #3d4149;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.025em;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: 23px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--green);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms ease;
}

.desktop-nav a:hover::after,
.desktop-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 168px;
  height: 44px;
  gap: 20px;
  color: var(--white);
  background: var(--navy);
  font-size: 0.79rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: background 180ms ease, transform 180ms ease;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 17px;
}

.language-switcher,
.mobile-languages {
  display: flex;
  padding: 4px;
  align-items: center;
  gap: 4px;
  background: #edf0f2;
  border: 1px solid #e0e3e7;
  border-radius: 999px;
}

.language-button {
  display: flex;
  min-width: 50px;
  height: 34px;
  padding: 0 8px;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: #858991;
  background: transparent;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.63rem;
  font-weight: 800;
  transition: color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.language-button img {
  width: 20px;
  height: 15px;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(7, 13, 32, 0.12);
}

.language-button:hover,
.language-button.active {
  color: var(--navy-deep);
  background: var(--white);
  box-shadow: 0 2px 8px rgba(14, 25, 58, 0.11);
}

.header-cta:hover {
  background: var(--green);
  transform: translateY(-2px);
}

.menu-toggle,
.mobile-menu {
  display: none;
}

.hero {
  position: relative;
  min-height: 760px;
  height: 93vh;
  max-height: 940px;
  overflow: hidden;
  color: var(--white);
  background: var(--navy-dark);
}

.hero-image,
.hero-shade,
.hero-grid {
  position: absolute;
  inset: 0;
}

.hero-image {
  background: var(--ecg-hero-image) center / cover no-repeat;
  transform: scale(1.015);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(6, 14, 34, 0.99) 0%, rgba(8, 18, 43, 0.9) 35%, rgba(8, 18, 43, 0.2) 70%, rgba(8, 18, 43, 0.05) 100%),
    linear-gradient(0deg, rgba(4, 10, 23, 0.6) 0%, transparent 35%);
}

.hero-grid {
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(255,255,255,0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.12) 1px, transparent 1px);
  background-size: 94px 94px;
  mask-image: linear-gradient(90deg, black, transparent 62%);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  min-height: 100%;
  padding-top: 84px;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.eyebrow {
  display: flex;
  align-items: center;
  margin-bottom: 30px;
  gap: 13px;
  color: var(--navy);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow.light {
  color: rgba(255,255,255,0.8);
}

.eyebrow-dot,
.status-dot {
  width: 7px;
  height: 7px;
  background: var(--green-bright);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(69, 213, 111, 0.12);
}

.eyebrow-number {
  color: var(--green);
}

.hero h1,
.section-heading h2,
.quality-copy h2,
.company-copy h2,
.contact-copy h2 {
  margin: 0;
  font-size: clamp(3.7rem, 6.2vw, 6.8rem);
  font-weight: 350;
  letter-spacing: -0.065em;
  line-height: 0.91;
}

.hero h1 {
  max-width: 800px;
}

.hero h1 em,
.section-heading h2 em,
.quality-copy h2 em,
.company-copy h2 em,
.contact-copy h2 em {
  color: var(--green-bright);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -0.055em;
}

.hero-content > p {
  max-width: 560px;
  margin: 34px 0 42px;
  color: rgba(255,255,255,0.68);
  font-size: 1.04rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 34px;
}

.button {
  display: inline-flex;
  min-height: 55px;
  padding: 0 24px;
  align-items: center;
  justify-content: center;
  gap: 35px;
  border: 0;
  border-radius: 0;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.035em;
  transition: color 180ms ease, background 180ms ease, border 180ms ease, transform 180ms ease;
}

.button-primary {
  color: #071328;
  background: var(--green-bright);
}

.button-primary:hover {
  color: var(--white);
  background: var(--navy);
  transform: translateY(-2px);
}

.button-outline {
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
}

.button-outline:hover {
  color: var(--navy-dark);
  background: var(--white);
  border-color: var(--white);
}

.text-link {
  display: inline-flex;
  padding-bottom: 6px;
  align-items: center;
  gap: 13px;
  border-bottom: 1px solid currentColor;
  font-size: 0.81rem;
  font-weight: 700;
}

.light-link {
  color: rgba(255,255,255,0.82);
}

.text-link span {
  transition: transform 180ms ease;
}

.text-link:hover span {
  transform: translate(3px, -2px);
}

.hero-index {
  position: absolute;
  right: 0;
  bottom: 27px;
  left: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 16px;
  color: rgba(255,255,255,0.45);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-index-line {
  width: 70px;
  height: 1px;
  background: rgba(255,255,255,0.22);
}

.proof-strip {
  position: relative;
  z-index: 3;
  color: var(--white);
  background: var(--navy);
}

.proof-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(4, 1fr);
}

.proof-intro,
.proof-item {
  min-height: 122px;
  padding: 27px 28px;
  border-right: 1px solid rgba(255,255,255,0.13);
}

.proof-intro {
  display: flex;
  align-items: center;
  gap: 14px;
  border-left: 1px solid rgba(255,255,255,0.13);
  color: rgba(255,255,255,0.72);
  font-size: 0.71rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.proof-item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}

.proof-item strong {
  font-size: 1.7rem;
  font-weight: 500;
  letter-spacing: -0.04em;
}

.proof-item span {
  color: rgba(255,255,255,0.57);
  font-size: 0.72rem;
}

.catalog {
  background: var(--paper);
}

.section-heading {
  margin-bottom: 70px;
}

.split-heading {
  display: grid;
  grid-template-columns: 1.5fr 0.7fr;
  align-items: end;
  gap: 80px;
}

.section-heading h2,
.quality-copy h2,
.company-copy h2,
.contact-copy h2 {
  color: var(--navy-deep);
  font-size: clamp(3.1rem, 5vw, 5.3rem);
}

.section-heading p {
  max-width: 410px;
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.75;
}

.filter-bar {
  display: flex;
  margin-bottom: 35px;
  border-bottom: 1px solid #cfd3d9;
  gap: 32px;
  overflow-x: auto;
  scrollbar-width: none;
}

.filter-bar::-webkit-scrollbar {
  display: none;
}

.filter-button {
  position: relative;
  padding: 0 0 18px;
  flex: 0 0 auto;
  color: #7b8088;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: 0.77rem;
  font-weight: 700;
}

.filter-button small {
  margin-left: 5px;
  color: #a2a6ac;
  font-size: 0.58rem;
  vertical-align: top;
}

.filter-button::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--green);
  transform: scaleX(0);
}

.filter-button.active {
  color: var(--navy);
}

.filter-button.active::after {
  transform: scaleX(1);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.product-card {
  min-width: 0;
  background: var(--white);
  box-shadow: 0 1px 0 rgba(17, 25, 53, 0.04);
  transition: transform 240ms ease, box-shadow 240ms ease, opacity 180ms ease;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

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

.product-visual {
  position: relative;
  display: grid;
  height: 300px;
  place-items: center;
  overflow: hidden;
  background: #eceff1;
}

.product-visual > img {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms cubic-bezier(.2,.7,.2,1);
}

.product-card:hover .product-visual > img {
  transform: scale(1.045);
}

.product-visual::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.45;
  background-image:
    linear-gradient(rgba(20,30,60,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,30,60,0.07) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

.product-code,
.visual-label {
  position: absolute;
  z-index: 3;
  color: rgba(24, 31, 47, 0.55);
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  direction: ltr;
  unicode-bidi: isolate;
}

.product-code {
  padding: 7px 9px;
  color: rgba(255,255,255,0.92);
  background: rgba(8, 14, 31, 0.72);
  backdrop-filter: blur(8px);
}

.visual-label {
  padding: 7px 9px;
  color: rgba(255,255,255,0.94);
  background: rgba(38,55,125,0.82);
  backdrop-filter: blur(8px);
}

.product-code {
  top: 20px;
  left: 22px;
}

.visual-label {
  right: 22px;
  bottom: 19px;
}

.visual-power {
  background: linear-gradient(145deg, #e5e8e8, #f8f9f7);
}

.visual-armoured {
  background: linear-gradient(145deg, #d9dce1, #f4f5f6);
}

.visual-solar {
  background: linear-gradient(145deg, #dceee1, #f3f7f2);
}

.visual-control {
  background: linear-gradient(145deg, #dce3f0, #f4f6fa);
}

.visual-building {
  background: linear-gradient(145deg, #e6e6e2, #faf9f4);
}

.visual-data {
  background: linear-gradient(145deg, #d8dde7, #f2f4f8);
}

.cable-disc {
  position: relative;
  z-index: 2;
  display: grid;
  width: 174px;
  height: 174px;
  place-items: center;
  border: 20px solid #171a1e;
  border-radius: 50%;
  background: #2c3038;
  box-shadow:
    inset 0 0 0 4px #050608,
    inset 0 0 18px rgba(255,255,255,0.12),
    0 25px 38px rgba(17,21,28,0.23);
  transform: rotate(-9deg);
}

.cable-disc::after {
  position: absolute;
  inset: -12px;
  content: "";
  border: 2px solid rgba(255,255,255,0.12);
  border-radius: 50%;
}

.cable-four-core {
  grid-template-columns: repeat(2, 45px);
  grid-template-rows: repeat(2, 45px);
}

.cable-four-core i,
.cable-armoured i,
.cable-control i,
.cable-single i {
  position: relative;
  display: block;
  width: 40px;
  height: 40px;
  border: 7px solid #304583;
  border-radius: 50%;
  background: repeating-radial-gradient(circle at center, #e2a674 0 2px, #a65929 3px 4px);
  box-shadow: 0 4px 9px rgba(0,0,0,0.3);
}

.cable-four-core i:nth-child(2) {
  border-color: #2eac58;
}

.cable-four-core i:nth-child(3) {
  border-color: #b9a939;
}

.cable-four-core i:nth-child(4) {
  border-color: #33353b;
}

.cable-armoured {
  grid-template-columns: 40px 40px;
  grid-template-rows: 42px 42px;
  border-color: #2a2d32;
  background: repeating-conic-gradient(#a9adb3 0deg 4deg, #5c6169 4deg 8deg);
  box-shadow:
    inset 0 0 0 12px #14171b,
    inset 0 0 0 17px #7a7f86,
    0 25px 38px rgba(17,21,28,0.23);
}

.cable-armoured i {
  z-index: 2;
  width: 37px;
  height: 37px;
  border-width: 6px;
}

.cable-armoured i:first-child {
  grid-column: 1 / 3;
  justify-self: center;
}

.cable-pair {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 15px;
  transform: rotate(-10deg);
}

.cable-single {
  width: 116px;
  height: 116px;
  border-width: 18px;
}

.cable-single i {
  width: 49px;
  height: 49px;
  border-width: 9px;
  border-color: #20242b;
}

.cable-pair .cable-single:first-child {
  border-color: #23272d;
}

.cable-pair .cable-single:last-child {
  border-color: #2fa955;
}

.cable-control {
  grid-template-columns: repeat(3, 34px);
  gap: 4px;
  border-color: #273a78;
  background: #c8cbd0;
}

.cable-control i {
  width: 32px;
  height: 32px;
  border: 6px solid #e1e2df;
}

.cable-control i:nth-child(even) {
  border-color: #aeb4bd;
}

.building-wires {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 18px;
  transform: rotate(-13deg);
}

.building-wires span {
  position: relative;
  width: 67px;
  height: 180px;
  background: linear-gradient(90deg, #1c2f72, #364c92 58%, #15275f);
  border-radius: 36px;
  box-shadow: 0 22px 28px rgba(18,26,53,0.2);
}

.building-wires span:nth-child(2) {
  background: linear-gradient(90deg, #229d4a, #43c66b 58%, #208b42);
  transform: translateY(-16px);
}

.building-wires span:nth-child(3) {
  background: linear-gradient(90deg, #d7b625, #f2d94d 58%, #b3981e);
}

.building-wires span::after {
  position: absolute;
  top: -4px;
  left: 50%;
  width: 32px;
  height: 32px;
  content: "";
  background: repeating-radial-gradient(circle, #e7ad7f 0 2px, #9b4d27 3px 4px);
  border-radius: 50%;
  transform: translate(-50%, -36%);
}

.data-lines {
  position: relative;
  z-index: 2;
  width: 200px;
  height: 155px;
  transform: rotate(-8deg);
}

.data-lines span {
  position: absolute;
  right: 0;
  left: 0;
  height: 22px;
  border-radius: 20px;
  background: #23377e;
  box-shadow: 0 8px 14px rgba(20,33,77,0.18);
}

.data-lines span:nth-child(1) { top: 12px; left: 8px; }
.data-lines span:nth-child(2) { top: 50px; right: 18px; background: #31b55a; }
.data-lines span:nth-child(3) { top: 88px; left: 23px; background: #444a55; }
.data-lines span:nth-child(4) { top: 126px; right: 3px; background: #a7aab0; }

.data-lines span::after {
  position: absolute;
  top: 4px;
  right: -3px;
  width: 14px;
  height: 14px;
  content: "";
  background: var(--copper);
  border: 2px solid #e3b18d;
  border-radius: 50%;
}

.product-body {
  display: flex;
  min-height: 135px;
  padding: 26px 24px 24px;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
}

.product-family {
  display: block;
  margin-bottom: 8px;
  color: var(--green);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.product-body h3 {
  margin: 0;
  color: var(--navy-deep);
  font-size: 1.16rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.spec-trigger {
  display: flex;
  padding: 0;
  flex: 0 0 auto;
  align-items: center;
  gap: 7px;
  color: #7b8088;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: 0.66rem;
  font-weight: 700;
}

.spec-trigger:hover {
  color: var(--navy);
}

.catalog-download {
  display: flex;
  margin-top: 40px;
  padding: 27px 30px;
  align-items: center;
  justify-content: space-between;
  background: #eaede9;
}

.catalog-download p {
  margin: 0;
  color: #555b63;
  font-size: 0.82rem;
}

.installations {
  background: var(--white);
}

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

.system-card {
  position: relative;
  min-height: 370px;
  padding: 29px;
  border-right: 1px solid var(--line);
  overflow: hidden;
}

.system-card:last-child {
  border-right: 0;
}

.system-card::after {
  position: absolute;
  right: -55px;
  bottom: -55px;
  width: 150px;
  height: 150px;
  content: "";
  background: var(--paper);
  border-radius: 50%;
}

.system-index {
  display: block;
  color: #9a9fa7;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.system-diagram {
  display: flex;
  height: 110px;
  margin: 42px 0 38px;
  align-items: center;
  gap: 11px;
}

.wire {
  position: relative;
  display: block;
  width: 36px;
  height: 104px;
  background: #23252a;
  border-radius: 22px;
  box-shadow: 0 12px 20px rgba(21, 26, 42, 0.14);
}

.wire::before {
  position: absolute;
  top: -2px;
  left: 50%;
  width: 18px;
  height: 18px;
  content: "";
  background: repeating-radial-gradient(circle, #dda273 0 2px, #99502e 3px 4px);
  border-radius: 50%;
  transform: translate(-50%, -38%);
}

.wire.phase,
.wire.l1 {
  background: #9e2828;
}

.wire.neutral {
  background: #265cbb;
}

.wire.earth {
  background: repeating-linear-gradient(0deg, #31a553 0 14px, #f0d52f 14px 28px);
}

.wire.l2 {
  background: #23252a;
}

.wire.l3 {
  background: #777b82;
}

.wire.dc-positive {
  background: #c42c2c;
}

.wire.dc-negative {
  background: #1d2025;
}

.system-card h3 {
  margin: 0 0 8px;
  color: var(--navy-deep);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.system-card strong {
  display: block;
  margin-bottom: 16px;
  color: var(--green);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  direction: ltr;
  unicode-bidi: isolate;
}

.system-card p {
  position: relative;
  z-index: 2;
  max-width: 300px;
  margin: 0;
  color: var(--muted);
  font-size: 0.79rem;
  line-height: 1.65;
}

.color-guide {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  padding: 52px;
  gap: 80px;
  color: var(--white);
  background: var(--navy-deep);
}

.color-guide .eyebrow {
  margin-bottom: 20px;
  color: rgba(255,255,255,0.57);
}

.color-guide-copy h3 {
  margin: 0 0 19px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.15rem;
  font-weight: 400;
  letter-spacing: -0.04em;
}

.color-guide-copy p {
  margin: 0;
  color: rgba(255,255,255,0.6);
  font-size: 0.83rem;
  line-height: 1.75;
}

.color-keys {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.13);
}

.color-keys article {
  display: flex;
  min-height: 112px;
  padding: 22px;
  align-items: center;
  gap: 17px;
  background: var(--navy-deep);
}

.color-keys article > div {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.color-keys strong {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.color-keys article div span {
  color: rgba(255,255,255,0.53);
  font-size: 0.66rem;
  line-height: 1.45;
}

.color-swatch {
  display: block;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border: 5px solid rgba(255,255,255,0.09);
  border-radius: 50%;
}

.swatch-blue {
  background: #2461c6;
}

.swatch-earth {
  background: repeating-linear-gradient(45deg, #2daf55 0 8px, #eed52e 8px 16px);
}

.swatch-phases {
  background: conic-gradient(#9e2828 0 25%, #24262c 25% 50%, #777b82 50% 75%, #74442e 75%);
}

.swatch-dc {
  background: linear-gradient(90deg, #c62e2e 0 50%, #17191d 50%);
}

.technical-note {
  margin: 20px 0 0;
  padding-left: 16px;
  color: #7c8189;
  border-left: 2px solid var(--green);
  font-size: 0.67rem;
  line-height: 1.6;
}

.quality {
  position: relative;
  min-height: 820px;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(8,17,40,0.98) 0%, rgba(11,22,50,0.93) 48%, rgba(13,26,57,0.48) 100%),
    var(--ecg-quality-image) center / cover no-repeat;
}

.quality::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.09;
  background-image:
    linear-gradient(rgba(255,255,255,0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.12) 1px, transparent 1px);
  background-size: 72px 72px;
}

.quality-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  gap: 130px;
}

.quality-copy h2 {
  color: var(--white);
}

.quality-copy > p {
  max-width: 590px;
  margin: 33px 0 40px;
  color: rgba(255,255,255,0.64);
  font-size: 0.98rem;
  line-height: 1.8;
}

.quality-points {
  margin-top: 40px;
  padding: 8px 28px;
  background: rgba(7, 14, 33, 0.58);
  backdrop-filter: blur(10px);
}

.quality-points article {
  display: grid;
  grid-template-columns: 60px 1fr;
  padding: 27px 0;
  border-bottom: 1px solid rgba(255,255,255,0.13);
  gap: 20px;
}

.quality-points article:first-child {
  border-top: 1px solid rgba(255,255,255,0.13);
}

.quality-icon {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  color: var(--green-bright);
  border: 1px solid rgba(69,213,111,0.45);
  border-radius: 50%;
  font-size: 0.62rem;
  font-weight: 800;
}

.quality-points h3 {
  margin: 2px 0 8px;
  font-size: 1rem;
  font-weight: 600;
}

.quality-points p {
  margin: 0;
  color: rgba(255,255,255,0.54);
  font-size: 0.79rem;
  line-height: 1.6;
}

.quality-graphic {
  position: absolute;
  right: -90px;
  bottom: -290px;
  z-index: 1;
  width: 700px;
  height: 700px;
}

.quality-cable {
  position: absolute;
  inset: 0;
  border: 78px solid #05080e;
  border-radius: 50%;
  box-shadow:
    inset 0 0 0 12px #1f242c,
    0 0 90px rgba(48,189,89,0.14);
}

.quality-core {
  position: absolute;
  inset: 150px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  padding: 50px;
  gap: 16px;
  background: #171c24;
  border-radius: 50%;
  transform: rotate(11deg);
}

.quality-core span {
  border: 25px solid #293c80;
  border-radius: 50%;
  background: repeating-radial-gradient(circle, #d99867 0 4px, #8c4324 5px 7px);
}

.quality-core span:nth-child(2) { border-color: #30a958; }
.quality-core span:nth-child(3) { border-color: #d1b530; }
.quality-core span:nth-child(4) { border-color: #22252a; }

.applications {
  background: var(--white);
}

.applications-heading {
  margin-bottom: 60px;
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  min-height: 440px;
}

.application-card {
  position: relative;
  display: flex;
  padding: 24px;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
  border-right: 1px solid rgba(255,255,255,0.17);
  transition: flex 300ms ease, transform 220ms ease;
}

.application-card::before {
  position: absolute;
  inset: 0;
  content: "";
  z-index: 1;
  opacity: 1;
  background:
    radial-gradient(circle at 85% 10%, rgba(77,226,119,0.22), transparent 25%),
    linear-gradient(0deg, rgba(5,10,27,0.92) 0%, rgba(5,10,27,0.42) 58%, rgba(5,10,27,0.16) 100%);
  transition: background 350ms ease;
}

.application-card::after {
  position: absolute;
  inset: -4%;
  z-index: 0;
  content: "";
  background: var(--app-image) center / cover no-repeat;
  transform: scale(1.03);
  transition: transform 800ms cubic-bezier(.2,.75,.2,1), filter 500ms ease;
}

.application-card > * {
  position: relative;
  z-index: 2;
}

.application-card:hover {
  transform: translateY(-7px);
}

.application-card:hover::after {
  transform: scale(1.13) translate3d(0, -1.5%, 0);
  filter: saturate(1.08) contrast(1.04);
}

.application-card:hover::before {
  background:
    radial-gradient(circle at 85% 10%, rgba(77,226,119,0.32), transparent 27%),
    linear-gradient(0deg, rgba(5,10,27,0.94) 0%, rgba(5,10,27,0.3) 66%, rgba(5,10,27,0.08) 100%);
}

.app-energy { --app-image: var(--ecg-app-energy); }
.app-industry { --app-image: var(--ecg-app-industry); }
.app-building { --app-image: var(--ecg-app-building); }
.app-renewable { --app-image: var(--ecg-app-renewable); }

.application-number {
  align-self: flex-end;
  color: rgba(255,255,255,0.52);
  font-size: 0.64rem;
  font-weight: 700;
}

.application-icon {
  display: block;
  margin-bottom: 32px;
  color: var(--green-bright);
  font-size: 3rem;
  font-weight: 300;
}

.app-renewable .application-icon {
  color: var(--white);
}

.application-card h3 {
  margin: 0 0 14px;
  font-size: 1.3rem;
  font-weight: 550;
}

.application-card p {
  margin: 0;
  color: rgba(255,255,255,0.58);
  font-size: 0.79rem;
  line-height: 1.65;
}

.app-renewable p {
  color: rgba(255,255,255,0.72);
}

.company {
  overflow: hidden;
  background: var(--paper);
}

.company-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 80px;
}

.company-media {
  position: relative;
  margin: 0;
  height: 420px;
  overflow: hidden;
  background: var(--navy-deep);
}

.company-media::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(0deg, rgba(5, 12, 29, 0.75), transparent 55%);
}

.company-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.company-media figcaption {
  position: absolute;
  right: 28px;
  bottom: 25px;
  left: 28px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.78);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.company-copy > p {
  max-width: 540px;
  margin: 33px 0;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.8;
}

.company-values {
  display: flex;
  padding-top: 25px;
  border-top: 1px solid #d1d5da;
  gap: 34px;
}

.company-values span {
  color: var(--navy);
  font-size: 0.71rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.company-values span::before {
  margin-right: 9px;
  color: var(--green);
  content: "•";
}

.contact {
  position: relative;
  padding: 130px 0;
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
}

.contact::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    radial-gradient(circle at 5% 100%, rgba(51,194,92,0.23), transparent 35%),
    linear-gradient(90deg, transparent 49.9%, rgba(255,255,255,0.12) 50%, transparent 50.1%);
}

.contact-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.8fr 1fr;
  gap: 130px;
}

.contact-copy h2 {
  color: var(--white);
}

.contact-copy > p {
  max-width: 480px;
  margin: 32px 0 0;
  color: rgba(255,255,255,0.64);
  font-size: 0.94rem;
  line-height: 1.75;
}

.quote-form {
  display: grid;
  gap: 21px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.quote-form label {
  display: grid;
  gap: 9px;
}

.quote-form label > span {
  color: rgba(255,255,255,0.62);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  padding: 15px 0;
  color: var(--white);
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,0.28);
  border-radius: 0;
  outline: none;
}

.quote-form input:focus,
.quote-form select:focus,
.quote-form textarea:focus {
  border-bottom-color: var(--green-bright);
}

.quote-form input::placeholder,
.quote-form textarea::placeholder {
  color: rgba(255,255,255,0.35);
}

.quote-form select {
  color-scheme: dark;
}

.quote-form textarea {
  resize: vertical;
}

.form-submit {
  width: 190px;
  margin-top: 6px;
}

.form-note,
.form-status {
  margin: -8px 0 0;
  color: rgba(255,255,255,0.4);
  font-size: 0.66rem;
}

.form-status {
  min-height: 1em;
  color: var(--green-bright);
}

.site-footer {
  padding: 80px 0 30px;
  color: var(--white);
  background: #070d20;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  padding-bottom: 70px;
  gap: 100px;
}

.footer-logo {
  width: 230px;
  height: 93px;
}

.footer-brand p {
  max-width: 300px;
  margin: 22px 0 0;
  color: rgba(255,255,255,0.48);
  font-size: 0.8rem;
  line-height: 1.6;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.footer-links div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.footer-links h3 {
  margin: 0 0 8px;
  color: var(--green-bright);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-links a,
.footer-links span {
  color: rgba(255,255,255,0.52);
  font-size: 0.76rem;
}

.footer-links a:hover {
  color: var(--green);
}

.footer-bottom {
  display: flex;
  padding-top: 24px;
  justify-content: space-between;
  color: rgba(255,255,255,0.36);
  border-top: 1px solid rgba(255,255,255,0.11);
  font-size: 0.66rem;
}

.spec-modal {
  width: min(560px, calc(100vw - 34px));
  padding: 45px;
  color: var(--ink);
  background: var(--white);
  border: 0;
  box-shadow: 0 50px 120px rgba(3, 8, 21, 0.35);
}

.spec-modal::backdrop {
  background: rgba(7, 13, 29, 0.74);
  backdrop-filter: blur(5px);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 18px;
  width: 34px;
  height: 34px;
  color: #6d727a;
  background: #f0f2ef;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.25rem;
}

.modal-kicker {
  margin-bottom: 18px;
  color: var(--green);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.spec-modal h2 {
  margin: 0;
  color: var(--navy-deep);
  font-size: 2.2rem;
  font-weight: 500;
  letter-spacing: -0.045em;
}

.spec-modal > p {
  margin: 17px 0 26px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.65;
}

.spec-modal dl {
  margin: 0 0 30px;
  border-top: 1px solid var(--line);
}

.spec-modal dl > div {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.spec-modal dt {
  color: #81868d;
  font-size: 0.69rem;
}

.spec-modal dd {
  margin: 0;
  color: var(--navy-deep);
  font-size: 0.74rem;
  font-weight: 700;
}

html[dir="rtl"] body {
  font-family: Tahoma, Arial, sans-serif;
  text-align: right;
}

html[dir="rtl"] .brand img {
  object-position: right center;
}

html[dir="rtl"] .hero-image {
  transform: scaleX(-1) scale(1.015);
}

html[dir="rtl"] .hero-shade {
  background:
    linear-gradient(270deg, rgba(6, 14, 34, 0.99) 0%, rgba(8, 18, 43, 0.9) 35%, rgba(8, 18, 43, 0.2) 70%, rgba(8, 18, 43, 0.05) 100%),
    linear-gradient(0deg, rgba(4, 10, 23, 0.6) 0%, transparent 35%);
}

html[dir="rtl"] .hero-grid {
  mask-image: linear-gradient(270deg, black, transparent 62%);
}

html[dir="rtl"] .hero-content {
  align-items: flex-start;
}

html[dir="rtl"] .product-body,
html[dir="rtl"] .catalog-download,
html[dir="rtl"] .footer-bottom {
  flex-direction: row-reverse;
}

html[dir="rtl"] .technical-note {
  padding-right: 16px;
  padding-left: 0;
  border-right: 2px solid var(--green);
  border-left: 0;
}

html[dir="rtl"] .quality-points article {
  grid-template-columns: 1fr 60px;
}

html[dir="rtl"] .quality-icon {
  grid-column: 2;
  grid-row: 1;
}

html[dir="rtl"] .quality-points article > div {
  grid-column: 1;
  grid-row: 1;
}

html[dir="rtl"] .company-values span::before {
  margin-right: 0;
  margin-left: 9px;
}

@media (max-width: 1100px) {
  :root {
    --shell: min(100% - 48px, 960px);
  }

  .header-inner {
    grid-template-columns: 180px 1fr auto;
  }

  .desktop-nav {
    gap: 22px;
  }

  .header-actions {
    gap: 10px;
  }

  .header-cta {
    width: 150px;
  }

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

  .quality-layout,
  .contact-layout {
    gap: 70px;
  }

  .quality-graphic {
    opacity: 0.6;
  }

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

  .application-card {
    min-height: 340px;
  }
}

@media (max-width: 820px) {
  :root {
    --shell: calc(100% - 36px);
  }

  .section {
    padding: 90px 0;
  }

  .header-inner {
    display: flex;
    height: 72px;
    justify-content: space-between;
  }

  .desktop-nav,
  .header-actions {
    display: none;
  }

  .brand {
    width: 150px;
    height: 60px;
  }

  .menu-toggle {
    display: flex;
    width: 45px;
    height: 45px;
    padding: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 7px;
    background: transparent;
    border: 1px solid var(--line);
  }

  .menu-toggle span:not(.sr-only) {
    width: 18px;
    height: 2px;
    background: var(--navy);
    transition: transform 180ms ease;
  }

  .menu-toggle[aria-expanded="true"] span:nth-last-child(2) {
    transform: translateY(4.5px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-4.5px) rotate(-45deg);
  }

  .mobile-menu {
    display: grid;
    max-height: 0;
    padding: 0 18px;
    overflow: hidden;
    background: var(--white);
    opacity: 0;
    transition: max-height 260ms ease, opacity 180ms ease, padding 260ms ease;
  }

  .mobile-menu.open {
    max-height: 400px;
    padding: 10px 18px 24px;
    opacity: 1;
  }

  .mobile-menu a {
    padding: 15px 0;
    color: var(--navy);
    border-bottom: 1px solid var(--line);
    font-size: 0.86rem;
    font-weight: 650;
  }

  .mobile-languages {
    padding-top: 16px;
  }

  .hero {
    min-height: 720px;
    height: 90vh;
  }

  .hero-content {
    padding-top: 72px;
  }

  .hero-image {
    background-position: 62% center;
  }

  .hero-shade {
    background: linear-gradient(90deg, rgba(6,14,34,0.98), rgba(6,14,34,0.72) 70%, rgba(6,14,34,0.38));
  }

  .hero-content > p {
    max-width: 480px;
  }

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

  .proof-intro {
    grid-column: 1 / 3;
    min-height: 80px;
  }

  .proof-item {
    min-height: 105px;
    border-bottom: 1px solid rgba(255,255,255,0.13);
  }

  .split-heading,
  .quality-layout,
  .company-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 50px;
  }

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

  .system-card {
    min-height: 330px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .system-card:last-child {
    border-bottom: 0;
  }

  .color-guide {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .section-heading p {
    max-width: 580px;
  }

  .quality {
    min-height: auto;
  }

  .quality-points {
    padding-top: 0;
  }

  .quality-graphic {
    right: -370px;
    bottom: -250px;
  }

  .company-media {
    height: 340px;
  }

  .contact::before {
    background: radial-gradient(circle at 5% 100%, rgba(51,194,92,0.23), transparent 35%);
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 50px;
  }
}

@media (max-width: 560px) {
  :root {
    --shell: calc(100% - 28px);
  }

  .section {
    padding: 76px 0;
  }

  .hero {
    min-height: 680px;
    height: 88vh;
  }

  .hero h1 {
    font-size: clamp(3.2rem, 15vw, 4.5rem);
  }

  .hero-content > p {
    margin: 28px 0 34px;
    font-size: 0.91rem;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 23px;
  }

  .hero-index {
    display: none;
  }

  .proof-intro,
  .proof-item {
    padding: 22px 16px;
  }

  .proof-item strong {
    font-size: 1.4rem;
  }

  .section-heading {
    margin-bottom: 48px;
  }

  .section-heading h2,
  .quality-copy h2,
  .company-copy h2,
  .contact-copy h2 {
    font-size: clamp(2.8rem, 13vw, 4rem);
  }

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

  .product-visual {
    height: 285px;
  }

  .filter-bar {
    gap: 25px;
  }

  .catalog-download {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }

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

  .application-card {
    min-height: 300px;
  }

  .color-guide {
    padding: 34px 24px;
  }

  .color-keys {
    grid-template-columns: 1fr;
  }

  .company-media {
    height: 290px;
  }

  .company-values {
    align-items: flex-start;
    flex-direction: column;
    gap: 13px;
  }

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

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 38px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .spec-modal {
    padding: 38px 25px 30px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}