:root {
  --ink: #14202b;
  --muted: #62707b;
  --line: #dce4ea;
  --paper: #f5f8fa;
  --navy: #102f4a;
  --blue: #1d6da8;
  --amber: #d99a35;
  --white: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.55;
}
a { color: inherit; }

.header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 16px 5vw;
  color: var(--white);
  background: rgba(10, 27, 42, .9);
  backdrop-filter: blur(10px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 2px solid rgba(255,255,255,.75);
  border-radius: 50%;
  font-weight: 800;
}
.brand strong,
.brand small { display: block; }
.brand small { color: #cbd8e2; font-size: 12px; }
nav { display: flex; gap: 20px; font-size: 14px; }
nav a { text-decoration: none; color: #edf5fb; }
.language-switch {
  display: flex;
  gap: 6px;
  align-items: center;
}
.language-switch button {
  min-height: 32px;
  padding: 6px 9px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 4px;
  color: #edf5fb;
  background: transparent;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
}
.language-switch button.active {
  color: #081928;
  background: var(--amber);
  border-color: var(--amber);
}

.hero {
  min-height: 92vh;
  position: relative;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: #0c1d2c;
}
.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7,18,30,.92), rgba(7,18,30,.66) 48%, rgba(7,18,30,.18));
}
.hero-text {
  position: relative;
  z-index: 1;
  max-width: 760px;
  padding: 130px 5vw 80px;
  color: var(--white);
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--amber);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 820px;
  margin-bottom: 22px;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.03;
  letter-spacing: 0;
}
h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.12;
  letter-spacing: 0;
}
h3 { margin-bottom: 8px; font-size: 21px; }
.hero-text p {
  max-width: 620px;
  color: #dce8f0;
  font-size: 19px;
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.btn {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid rgba(255,255,255,.6);
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  color: var(--white);
}
.btn.primary { background: var(--amber); border-color: var(--amber); color: #081928; }

.quick {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  color: var(--white);
  background: var(--navy);
}
.quick div { padding: 24px 5vw; border-right: 1px solid rgba(255,255,255,.14); }
.quick strong, .quick span { display: block; }
.quick span { margin-top: 5px; color: #cbd8e2; font-size: 14px; }

.section { padding: 78px 5vw; }
.intro { max-width: 760px; margin-bottom: 34px; }
.intro p, .section > p, .split p, .contact p { color: var(--muted); font-size: 17px; }

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

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

.about-grid div,
.price-grid div {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.about-grid strong,
.about-grid span,
.price-grid strong,
.price-grid span {
  display: block;
}

.about-grid span,
.price-grid span {
  margin-top: 8px;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.cards article {
  min-height: 180px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}
.cards article::before {
  content: "";
  display: block;
  width: 42px;
  height: 4px;
  margin-bottom: 22px;
  background: var(--amber);
}
.cards p { color: var(--muted); margin-bottom: 0; }

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

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

.photo-grid figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.photo-grid img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.photo-grid figcaption {
  min-height: 54px;
  padding: 14px 16px;
  color: var(--ink);
  font-weight: 700;
  font-size: 14px;
}

.split {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 50px;
  background: var(--paper);
}
.quality-media {
  display: grid;
  grid-template-columns: .85fr 1fr;
  gap: 18px;
  align-items: stretch;
}
.quality-media > img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
}
.quality-box {
  display: grid;
  gap: 14px;
}
.quality-box div {
  padding: 26px;
  border-left: 5px solid var(--blue);
  border-radius: 8px;
  background: var(--white);
}
.quality-box strong,
.quality-box span { display: block; }
.quality-box span { margin-top: 8px; color: var(--muted); }

.oem {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 42px;
  align-items: center;
  color: var(--white);
  background: var(--navy);
}
.oem p { max-width: 760px; color: #d2dee8; font-size: 17px; }
.oem img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.2);
}

.price-grid {
  grid-template-columns: repeat(3, 1fr);
}

.markets ul {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  padding: 0;
  margin: 26px 0 0;
  list-style: none;
}
.markets li {
  padding: 15px 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-weight: 700;
}

.contact {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 46px;
  padding: 78px 5vw;
  background: var(--paper);
}
.contact-card {
  padding: 26px;
  border-radius: 8px;
  background: var(--white);
  border: 1px solid var(--line);
}
.contact-card p { margin-bottom: 10px; color: var(--ink); }
.contact-card a { color: var(--blue); }

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 5vw;
  color: #d4e0ea;
  background: #081928;
  font-size: 14px;
}

@media (max-width: 900px) {
  .header { position: absolute; align-items: flex-start; flex-direction: column; }
  nav { width: 100%; overflow-x: auto; padding-bottom: 2px; }
  .language-switch { flex-wrap: wrap; }
  .hero { min-height: 760px; }
  .quick, .cards, .split, .markets ul, .contact, .about-grid, .price-grid, .photo-grid, .quality-media, .oem { grid-template-columns: 1fr; }
  .quick div { border-right: 0; border-top: 1px solid rgba(255,255,255,.14); }
  .quality-media > img { min-height: 280px; }
  footer { flex-direction: column; }
}