@import url("https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700&family=Manrope:wght@400;500;600;700&display=swap");

:root {
  --ink: #07131d;
  --ink-soft: #102432;
  --steel: #193444;
  --paper: #f2f2ee;
  --white: #ffffff;
  --muted: #66737a;
  --line: #d8dddc;
  --accent: #c6a362;
  --signal: #52b58a;
  --shell: 1320px;
  --shadow: 0 24px 60px rgba(5, 19, 29, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Manrope", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

button {
  font: inherit;
}

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

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

.shell {
  width: min(var(--shell), calc(100% - 64px));
  margin-inline: auto;
}

.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;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: 78px;
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, rgba(3, 12, 18, 0.92), rgba(3, 12, 18, 0.62));
  transition: background 220ms ease, height 220ms ease;
}

.site-header.is-scrolled,
.site-header.is-solid {
  background: rgba(7, 19, 29, 0.97);
  backdrop-filter: blur(16px);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 42px;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 13px;
  flex: 0 0 auto;
}

.brand-symbol {
  width: 39px;
  height: 39px;
  position: relative;
  display: grid;
  place-items: center;
  border: 1px solid rgba(198, 163, 98, 0.8);
  transform: rotate(45deg);
}

.brand-symbol::before,
.brand-symbol i {
  content: "";
  position: absolute;
  width: 18px;
  height: 4px;
  background: var(--white);
}

.brand-symbol::before {
  transform: translateY(-5px);
}

.brand-symbol i {
  transform: translateY(5px);
}

.brand-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
}

.brand-copy strong {
  display: block;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 25px;
  line-height: 0.86;
  letter-spacing: 0.11em;
}

.brand-copy span {
  display: block;
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.56);
  font-size: 7px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.13em;
  white-space: nowrap;
}

.site-nav,
.guide-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  margin-left: auto;
}

.site-nav a,
.guide-nav a {
  position: relative;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-nav a::after,
.guide-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav a:hover,
.guide-nav a:hover {
  color: var(--white);
}

.site-nav a:hover::after,
.guide-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-cta {
  min-height: 42px;
  padding: 0 19px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 180ms ease, background 180ms ease;
}

.header-cta:hover {
  background: var(--white);
  color: var(--ink);
}

.menu-toggle {
  display: none;
}

.hero {
  height: 100svh;
  min-height: 700px;
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}

.hero-slides,
.hero-slide,
.hero-slide img,
.hero-shade,
.hero-grid {
  position: absolute;
  inset: 0;
}

.hero-slide {
  margin: 0;
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 1000ms ease, transform 7000ms ease;
}

.hero-slide.is-active {
  opacity: 1;
  transform: scale(1);
}

.hero-slide img {
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(4, 13, 20, 0.32) 0%, rgba(4, 13, 20, 0.25) 38%, rgba(4, 13, 20, 0.74) 100%),
    linear-gradient(90deg, rgba(4, 13, 20, 0.35), transparent 34%, transparent 66%, rgba(4, 13, 20, 0.35));
}

.hero-grid {
  z-index: 2;
  opacity: 0.15;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 100px 100px;
  mask-image: linear-gradient(to bottom, transparent, #000 52%, #000);
}

.hero-content {
  position: absolute;
  z-index: 3;
  top: 55%;
  left: 50%;
  width: min(980px, calc(100% - 48px));
  text-align: center;
  transform: translate(-50%, -50%);
}

.hero-subbrand {
  margin: 0 0 15px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.34em;
}

.hero h1 {
  margin: 0;
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(72px, 11vw, 154px);
  font-weight: 600;
  line-height: 0.8;
  letter-spacing: 0.075em;
  text-indent: 0.075em;
  text-shadow: 0 16px 50px rgba(0, 0, 0, 0.3);
}

.hero-positioning {
  margin: 24px auto 0;
  font-size: clamp(18px, 2.2vw, 28px);
  font-weight: 500;
  letter-spacing: 0.015em;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 31px;
}

.button {
  min-height: 52px;
  padding: 0 25px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

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

.button-light {
  background: var(--white);
  color: var(--ink);
}

.button-outline {
  border-color: rgba(255, 255, 255, 0.52);
  color: var(--white);
  background: rgba(7, 19, 29, 0.22);
  backdrop-filter: blur(8px);
}

.button-outline:hover {
  background: var(--white);
  color: var(--ink);
}

.button-dark {
  background: var(--ink);
  color: var(--white);
}

.carousel-arrow {
  position: absolute;
  z-index: 5;
  top: 52%;
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  background: rgba(7, 19, 29, 0.22);
  color: var(--white);
  cursor: pointer;
  transition: background 180ms ease;
}

.carousel-arrow:hover {
  background: rgba(7, 19, 29, 0.72);
}

.carousel-arrow svg {
  width: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.carousel-prev {
  left: 32px;
}

.carousel-next {
  right: 32px;
}

.hero-rail {
  position: absolute;
  z-index: 4;
  right: 0;
  bottom: 0;
  left: 0;
  min-height: 100px;
  padding: 0 max(32px, calc((100vw - var(--shell)) / 2));
  display: flex;
  align-items: center;
  gap: 34px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(4, 14, 21, 0.42);
  backdrop-filter: blur(8px);
}

.feature-list {
  flex: 1;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  list-style: none;
}

.feature-list li {
  min-height: 40px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  gap: 9px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.8);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.35;
}

.feature-list li:first-child {
  padding-left: 0;
}

.feature-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  background: var(--signal);
  transform: rotate(45deg);
}

.carousel-dots {
  display: flex;
  gap: 8px;
}

.carousel-dots button {
  width: 24px;
  height: 3px;
  padding: 0;
  border: 0;
  background: rgba(255, 255, 255, 0.32);
  cursor: pointer;
}

.carousel-dots button.is-active {
  background: var(--accent);
}

.products-section,
.resources-section,
.oem-section,
.contact-section,
.guide-section,
.articles-section {
  padding: 108px 0;
}

.section-heading {
  margin-bottom: 42px;
  display: grid;
  grid-template-columns: 1.1fr 0.7fr;
  align-items: end;
  gap: 80px;
}

.eyebrow {
  margin: 0 0 13px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h2 {
  margin: 0;
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(45px, 5vw, 68px);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.015em;
}

.section-heading > p,
.guide-intro > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.product-card {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 16px 45px rgba(7, 19, 29, 0.08);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.product-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow);
}

.product-media {
  height: 260px;
  position: relative;
  overflow: hidden;
  background: var(--steel);
}

.product-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(4, 13, 20, 0.62));
}

.product-media img {
  height: 100%;
  object-fit: cover;
  transition: transform 650ms ease;
}

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

.product-media > span {
  position: absolute;
  z-index: 2;
  right: 22px;
  bottom: 13px;
  color: rgba(255, 255, 255, 0.82);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 34px;
}

.product-content {
  min-height: 310px;
  padding: 30px;
  display: flex;
  flex-direction: column;
}

.product-content h3 {
  margin: 0 0 14px;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 31px;
  font-weight: 600;
  line-height: 1.04;
}

.product-content p {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 14px;
}

.product-content a,
.text-link {
  width: fit-content;
  margin-top: auto;
  color: var(--ink);
  border-bottom: 1px solid var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.matrix-section {
  padding: 108px 0 118px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.025) 25%, transparent 25%) 0 0 / 36px 36px,
    var(--ink);
}

.section-heading-light h2 {
  color: var(--white);
}

.section-heading-light > p {
  color: rgba(255, 255, 255, 0.57);
}

.matrix {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.matrix-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.matrix-tab {
  min-height: 76px;
  padding: 0 20px;
  border: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  background: transparent;
  color: rgba(255, 255, 255, 0.54);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease;
}

.matrix-tab:first-child {
  border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.matrix-tab.is-active {
  background: var(--accent);
  color: var(--ink);
}

.matrix-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.matrix-card {
  min-height: 310px;
  padding: 36px;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.matrix-number {
  color: var(--accent);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 17px;
}

.matrix-card > p {
  margin: 39px 0 7px;
  color: rgba(255, 255, 255, 0.48);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.matrix-card h3 {
  margin: 0 0 22px;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 31px;
  font-weight: 600;
}

.matrix-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.matrix-card li {
  padding: 8px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
}

.resources-section {
  padding: 70px 0;
}

.resources-banner {
  padding: 42px 48px;
  display: grid;
  grid-template-columns: 1.15fr 1fr auto;
  align-items: center;
  gap: 45px;
  background: var(--steel);
  color: var(--white);
  box-shadow: var(--shadow);
}

.resources-banner h2 {
  color: var(--white);
  font-size: clamp(38px, 4vw, 54px);
}

.resources-banner > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
}

.oem-section {
  background: var(--white);
}

.oem-layout {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: stretch;
}

.oem-image {
  min-height: 540px;
  overflow: hidden;
}

.oem-image img {
  height: 100%;
  object-fit: cover;
}

.oem-content {
  padding: 68px;
  background: var(--paper);
}

.oem-content h2 {
  margin-bottom: 25px;
}

.oem-content > p:not(.eyebrow) {
  color: var(--muted);
}

.oem-content ul {
  margin: 30px 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  list-style: none;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.oem-content li {
  min-height: 80px;
  padding: 18px;
  display: flex;
  align-items: center;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  font-weight: 600;
}

.contact-section {
  padding-top: 84px;
}

.contact-panel {
  padding: 55px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  border: 1px solid var(--line);
  background: var(--white);
}

.contact-panel h2 {
  font-size: clamp(42px, 5vw, 62px);
}

.contact-panel p:not(.eyebrow) {
  max-width: 760px;
  margin: 16px 0 0;
  color: var(--muted);
}

.contact-panel .button {
  flex: 0 0 auto;
}

.site-footer {
  padding: 34px 0;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.5);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.footer-inner p,
.footer-inner a {
  margin: 0;
  font-size: 12px;
}

.footer-signature {
  color: rgba(255, 255, 255, 0.72);
  font-weight: 600;
  letter-spacing: 0.025em;
}

.footer-inner a {
  color: var(--accent);
}

/* Technical guide */
.guide-page {
  padding-top: 78px;
}

.guide-hero {
  height: 570px;
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}

.guide-hero > img,
.guide-hero-shade {
  position: absolute;
  inset: 0;
  height: 100%;
  object-fit: cover;
}

.guide-hero-shade {
  background: linear-gradient(90deg, rgba(5, 16, 25, 0.94) 0%, rgba(5, 16, 25, 0.74) 45%, rgba(5, 16, 25, 0.22) 100%);
}

.guide-hero-content {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.guide-hero h1 {
  max-width: 760px;
  margin: 0;
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(56px, 7vw, 88px);
  font-weight: 600;
  line-height: 0.94;
}

.guide-hero-content > p:last-child {
  max-width: 620px;
  margin: 25px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 17px;
}

.guide-intro {
  max-width: 720px;
  margin-bottom: 40px;
}

.guide-intro h2 {
  margin-bottom: 20px;
}

.defect-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.guide-card {
  min-height: 270px;
  padding: 34px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.card-index {
  color: var(--accent);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 17px;
}

.guide-card h3 {
  margin: 38px 0 13px;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 32px;
  font-weight: 600;
  line-height: 1;
}

.guide-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.control-section {
  padding: 108px 0;
  color: var(--white);
  background: var(--ink);
}

.guide-intro-light h2 {
  color: var(--white);
}

.control-list {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.control-list article {
  padding: 34px 0;
  display: grid;
  grid-template-columns: 100px 0.7fr 1fr;
  align-items: start;
  gap: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.control-list article > span {
  color: var(--accent);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 18px;
}

.control-list h3 {
  margin: 0;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 34px;
  font-weight: 600;
  line-height: 1;
}

.control-list p {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
}

.articles-layout {
  display: grid;
  grid-template-columns: 0.72fr 1fr;
  gap: 80px;
  align-items: start;
}

.articles-layout .button {
  margin-top: 28px;
}

.article-links {
  border-top: 1px solid var(--line);
}

.article-links article {
  padding: 26px 8px;
  border-bottom: 1px solid var(--line);
}

.article-links span {
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.article-links h3 {
  margin: 8px 0 7px;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 28px;
  font-weight: 600;
  line-height: 1.1;
}

.article-links p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 1100px) {
  .site-nav,
  .guide-nav {
    gap: 20px;
  }

  .feature-list {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 8px;
  }

  .feature-list li:nth-child(3n) {
    border-right: 0;
  }

  .hero-rail {
    min-height: 118px;
  }

  .product-content {
    min-height: 345px;
  }

  .resources-banner {
    grid-template-columns: 1fr auto;
  }

  .resources-banner > p {
    grid-column: 1;
  }

  .resources-banner .button {
    grid-column: 2;
    grid-row: 1 / span 2;
  }
}

@media (max-width: 860px) {
  .shell {
    width: min(var(--shell), calc(100% - 36px));
  }

  .site-header {
    height: 70px;
  }

  .header-cta {
    display: none;
  }

  .menu-toggle {
    width: 42px;
    height: 42px;
    margin-left: auto;
    padding: 10px;
    display: grid;
    align-content: center;
    gap: 5px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: transparent;
  }

  .menu-toggle > span:not(.sr-only) {
    height: 1px;
    display: block;
    background: var(--white);
  }

  .site-nav {
    position: fixed;
    top: 70px;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 50px 24px;
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 0;
    background: rgba(7, 19, 29, 0.99);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .site-nav a {
    width: 100%;
    padding: 18px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    font-family: "Barlow Condensed", sans-serif;
    font-size: 26px;
  }

  .guide-nav {
    display: none;
  }

  .hero {
    min-height: 740px;
  }

  .hero-content {
    top: 48%;
  }

  .hero-rail {
    padding: 16px 18px;
    align-items: flex-end;
  }

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

  .feature-list li {
    border-right: 0;
  }

  .carousel-dots {
    padding-bottom: 9px;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 18px;
  }

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

  .product-card {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
  }

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

  .product-content {
    min-height: 320px;
  }

  .matrix-tabs {
    grid-template-columns: 1fr 1fr;
  }

  .matrix-tab:nth-child(3) {
    border-left: 1px solid rgba(255, 255, 255, 0.14);
  }

  .matrix-panel {
    grid-template-columns: 1fr;
  }

  .matrix-card {
    min-height: auto;
  }

  .resources-banner {
    padding: 36px;
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .resources-banner > p,
  .resources-banner .button {
    grid-column: auto;
    grid-row: auto;
  }

  .resources-banner .button {
    width: fit-content;
  }

  .oem-layout,
  .articles-layout {
    grid-template-columns: 1fr;
  }

  .oem-image {
    min-height: 420px;
  }

  .contact-panel {
    align-items: flex-start;
    flex-direction: column;
  }

  .guide-page {
    padding-top: 70px;
  }

  .guide-hero {
    height: 520px;
  }

  .control-list article {
    grid-template-columns: 60px 1fr;
  }

  .control-list p {
    grid-column: 2;
  }
}

@media (max-width: 580px) {
  .shell {
    width: min(var(--shell), calc(100% - 28px));
  }

  .brand-symbol {
    width: 34px;
    height: 34px;
  }

  .brand-copy strong {
    font-size: 22px;
  }

  .brand-copy span {
    margin-top: 6px;
    font-size: 6px;
    letter-spacing: 0.1em;
  }

  .hero {
    min-height: 720px;
  }

  .hero-content {
    top: 45%;
  }

  .hero h1 {
    font-size: 64px;
    line-height: 0.88;
    letter-spacing: 0.055em;
    text-indent: 0.055em;
  }

  .hero-positioning {
    max-width: 330px;
    font-size: 17px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    width: min(290px, 100%);
    margin-inline: auto;
  }

  .carousel-arrow {
    display: none;
  }

  .hero-rail {
    min-height: 142px;
    align-items: center;
  }

  .feature-list {
    row-gap: 7px;
  }

  .feature-list li {
    padding: 0 6px 0 0;
    font-size: 10px;
  }

  .carousel-dots {
    display: none;
  }

  .products-section,
  .oem-section,
  .contact-section,
  .guide-section,
  .articles-section,
  .control-section,
  .matrix-section {
    padding: 76px 0;
  }

  h2 {
    font-size: 45px;
  }

  .product-card {
    display: block;
  }

  .product-media {
    min-height: 230px;
    height: 230px;
  }

  .product-content {
    min-height: 300px;
    padding: 26px;
  }

  .matrix-tabs {
    grid-template-columns: 1fr;
  }

  .matrix-tab,
  .matrix-tab:nth-child(3) {
    border-left: 1px solid rgba(255, 255, 255, 0.14);
  }

  .matrix-card {
    padding: 28px;
  }

  .oem-image {
    min-height: 300px;
  }

  .oem-content {
    padding: 38px 28px;
  }

  .oem-content ul {
    grid-template-columns: 1fr;
  }

  .contact-panel {
    padding: 38px 28px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 15px;
  }

  .guide-hero {
    height: 540px;
  }

  .guide-hero-shade {
    background: rgba(5, 16, 25, 0.78);
  }

  .guide-hero h1 {
    font-size: 54px;
  }

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

  .control-list article {
    grid-template-columns: 1fr;
    gap: 13px;
  }

  .control-list p {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}