:root {
  --ink: #111820;
  --ink-2: #1d2630;
  --muted: #66717b;
  --paper: #f4f1ea;
  --paper-2: #ebe5da;
  --white: #ffffff;
  --line: #d9d1c4;
  --red: #a51f2f;
  --red-dark: #741624;
  --green: #2e604b;
  --blue: #d8e6ec;
  --shadow: 0 28px 90px rgba(17, 24, 32, 0.16);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

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

section {
  scroll-margin-top: 108px;
}

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

.skip-link,
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.skip-link:focus {
  z-index: 100;
  width: auto;
  height: auto;
  clip: auto;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--white);
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 16px;
  left: clamp(14px, 3vw, 34px);
  right: clamp(14px, 3vw, 34px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 74px;
  padding: 12px 16px 12px 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  color: var(--white);
  background: rgba(17, 24, 32, 0.76);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(18px);
  transition:
    background 180ms ease,
    transform 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  background: rgba(17, 24, 32, 0.94);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand img {
  width: 286px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 26px);
  font-size: 14px;
  font-weight: 800;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
  color: rgba(255, 255, 255, 0.9);
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 2px;
  background: var(--red);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

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

.language-toggle,
.nav-toggle {
  color: var(--white);
  background: transparent;
  font: inherit;
  cursor: pointer;
}

.language-toggle {
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 900;
}

.language-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 50%;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  display: grid;
  min-height: 94vh;
  padding: 156px clamp(18px, 5vw, 72px) 86px;
  color: var(--white);
  overflow: hidden;
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(7, 12, 16, 0.88) 0%, rgba(7, 12, 16, 0.66) 42%, rgba(7, 12, 16, 0.16) 100%),
    linear-gradient(0deg, rgba(7, 12, 16, 0.54), transparent 52%);
  content: "";
}

.hero-media {
  position: absolute;
  inset: 0;
}

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

.hero-content {
  position: relative;
  z-index: 2;
  align-self: end;
  width: min(830px, 100%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--blue);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(42px, 6.5vw, 86px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 4vw, 58px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.18;
}

.hero-copy {
  max-width: 690px;
  color: rgba(255, 255, 255, 0.85);
  font-size: clamp(17px, 2vw, 21px);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 19px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 900;
  transition:
    transform 160ms ease,
    background 160ms ease,
    color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: var(--white);
  background: var(--red);
}

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

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.08);
}

.button.secondary:hover {
  background: rgba(255, 255, 255, 0.16);
}

.signal-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line);
  background: var(--ink);
  color: var(--white);
}

.signal-band div {
  min-height: 132px;
  padding: 30px clamp(18px, 4vw, 48px);
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.signal-band div:last-child {
  border-right: 0;
}

.signal-band span,
.signal-band strong {
  display: block;
}

.signal-band span {
  margin-bottom: 10px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.signal-band strong {
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.25;
}

.section,
.contact-section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(74px, 10vw, 136px) clamp(18px, 4vw, 32px);
}

.company-section,
.market-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(36px, 6vw, 84px);
  align-items: start;
}

.copy-stack {
  color: var(--muted);
  font-size: 19px;
}

.copy-stack p {
  margin-bottom: 22px;
}

.section-heading {
  max-width: 790px;
  margin-bottom: 42px;
}

.product-section {
  max-width: none;
  background: var(--white);
}

.product-section .section-heading,
.product-list {
  max-width: var(--max);
  margin-right: auto;
  margin-left: auto;
}

.product-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
}

.product-list article {
  min-height: 278px;
  padding: 28px;
  background: var(--paper);
}

.product-list span {
  display: inline-block;
  margin-bottom: 58px;
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
}

.product-list p {
  color: var(--muted);
}

.brands-section {
  max-width: none;
  color: var(--ink);
  background: var(--paper-2);
}

.brands-section .section-heading,
.brand-logo-grid,
.brand-note {
  max-width: var(--max);
  margin-right: auto;
  margin-left: auto;
}

.brand-logo-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  margin-top: 42px;
}

.brand-logo-grid a {
  display: grid;
  place-items: center;
  min-height: 150px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 14px 42px rgba(17, 24, 32, 0.08);
  transition:
    transform 160ms ease,
    box-shadow 160ms ease;
}

.brand-logo-grid a:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 56px rgba(17, 24, 32, 0.13);
}

.brand-logo-grid img {
  width: 100%;
  max-width: 150px;
  max-height: 86px;
  object-fit: contain;
}

.brand-logo-grid a:nth-child(3) img {
  max-width: 136px;
}

.brand-logo-grid a:nth-child(4) img {
  max-width: 170px;
  transform: scale(1.42);
}

.brand-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 14px;
}

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

.market-map div {
  display: grid;
  place-items: center;
  min-height: 126px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
  font-size: clamp(22px, 3vw, 36px);
  font-weight: 900;
  box-shadow: 0 14px 42px rgba(17, 24, 32, 0.08);
}

.standards-section {
  max-width: none;
  padding-top: 0;
  background: var(--paper-2);
}

.standards-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(340px, 1.05fr);
  gap: clamp(24px, 4vw, 50px);
  align-items: stretch;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(24px, 4vw, 40px);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.standards-copy {
  display: grid;
  align-content: center;
  gap: 26px;
  padding: clamp(12px, 2vw, 18px) 0;
}

.standards-copy h2 {
  font-size: clamp(30px, 3.4vw, 48px);
  line-height: 1.08;
}

.standards-visual {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--ink);
}

.standards-visual::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 30%, rgba(7, 12, 16, 0.74) 100%),
    linear-gradient(90deg, rgba(7, 12, 16, 0.18), transparent 58%);
  content: "";
}

.standards-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.standards-badges {
  position: absolute;
  z-index: 1;
  right: 22px;
  bottom: 22px;
  left: 22px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.standards-badges span {
  display: grid;
  min-height: 54px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  color: var(--white);
  background: rgba(17, 24, 32, 0.76);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  font-weight: 800;
}

.check-list li::before {
  position: absolute;
  top: 3px;
  left: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  content: "";
}

.check-list li::after {
  position: absolute;
  top: 7px;
  left: 6px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--white);
  border-bottom: 2px solid var(--white);
  content: "";
  transform: rotate(42deg);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 430px);
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
}

.contact-section p {
  max-width: 620px;
  color: var(--muted);
  font-size: 18px;
}

.contact-card {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--line);
  box-shadow: var(--shadow);
}

.contact-card > a,
.contact-card > div {
  display: grid;
  gap: 4px;
  padding: 22px;
  background: var(--white);
}

.contact-card span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.contact-card strong {
  font-size: 18px;
}

.contact-card .button {
  border-radius: 0;
  background: var(--red);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 4vw, 48px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.site-footer a {
  color: var(--ink);
  font-weight: 900;
}

@media (max-width: 1040px) {
  .brand img {
    width: 240px;
  }

  .site-nav {
    gap: 14px;
  }
}

@media (max-width: 920px) {
  .site-header {
    min-height: 66px;
  }

  .brand img {
    width: 184px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 82px;
    right: 0;
    left: 0;
    display: grid;
    gap: 0;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius);
    color: var(--white);
    background: rgba(17, 24, 32, 0.98);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition:
      opacity 160ms ease,
      transform 160ms ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 14px;
  }

  .language-toggle {
    width: 100%;
    margin-top: 8px;
  }

  .hero {
    min-height: 90vh;
  }

  .signal-band,
  .company-section,
  .market-section,
  .standards-panel,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .standards-copy {
    padding: 0;
  }

  .standards-visual {
    min-height: 320px;
  }

  .signal-band div {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

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

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

@media (max-width: 640px) {
  .site-header {
    top: 10px;
    left: 10px;
    right: 10px;
    padding: 10px 12px;
  }

  .brand img {
    width: 164px;
  }

  .hero {
    min-height: 88vh;
    padding: 122px 18px 48px;
  }

  .hero::before {
    background:
      linear-gradient(90deg, rgba(7, 12, 16, 0.9), rgba(7, 12, 16, 0.56)),
      linear-gradient(0deg, rgba(7, 12, 16, 0.6), transparent 58%);
  }

  h1 {
    font-size: 40px;
  }

  h2 {
    font-size: 34px;
  }

  .button,
  .hero-actions {
    width: 100%;
  }

  .product-list,
  .brand-logo-grid,
  .market-map {
    grid-template-columns: 1fr;
  }

  .product-list article {
    min-height: 220px;
  }

  .product-list span {
    margin-bottom: 36px;
  }

  .brand-logo-grid a {
    min-height: 88px;
  }

  .standards-panel {
    padding: 18px;
  }

  .standards-visual {
    min-height: 260px;
  }

  .standards-badges {
    right: 14px;
    bottom: 14px;
    left: 14px;
    grid-template-columns: 1fr;
  }

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