:root {
  --blue: #194c93;
  --sky: #51acfb;
  --ink: #172033;
  --muted: #667085;
  --line: #e7eaf0;
  --soft: #f5f8fb;
  --green: #50c6a8;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Inter, Arial, Helvetica, sans-serif;
  background: #fff;
}

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

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

.wrap {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.nav {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.logo img {
  width: 190px;
}

.menu {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--blue);
  font-weight: 700;
  font-size: 15px;
}

.menu a {
  white-space: nowrap;
}

.menu a:hover,
.menu a.active {
  color: var(--sky);
}

.lang {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
}

.quote {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 20px;
  border-radius: 999px;
  color: #fff;
  background: var(--sky);
  font-weight: 800;
}

.hero {
  position: relative;
  min-height: 620px;
  color: #fff;
  overflow: hidden;
}

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

.hero:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10,42,84,.86), rgba(10,42,84,.45) 52%, rgba(10,42,84,.08));
}

.hero-content {
  position: relative;
  z-index: 1;
  min-height: 620px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 760px;
  padding: 56px 0;
}

.eyebrow {
  color: var(--green);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
  margin-bottom: 16px;
}

h1 {
  margin: 0;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.03;
  letter-spacing: 0;
}

.hero p,
.lead {
  color: rgba(255,255,255,.86);
  font-size: 19px;
  line-height: 1.65;
  margin: 24px 0 0;
}

.hero-actions,
.actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
}

.btn.primary {
  background: var(--sky);
  color: #fff;
}

.btn.secondary {
  background: #fff;
  color: var(--blue);
}

.btn.outline {
  border-color: var(--line);
  color: var(--blue);
  background: #fff;
}

.section {
  padding: 76px 0;
}

.section.soft {
  background: var(--soft);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 36px;
  margin-bottom: 34px;
}

.section-head h2,
.page-title h1,
.product-detail h1 {
  margin: 0;
  color: var(--blue);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.12;
  letter-spacing: 0;
}

.section-head p,
.page-title p,
.muted {
  color: var(--muted);
  line-height: 1.7;
}

.grid {
  display: grid;
  gap: 24px;
}

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

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

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 38px rgba(25,76,147,.14);
}

.card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.card-body {
  padding: 22px;
}

.card h3 {
  margin: 0;
  color: var(--blue);
  font-size: 21px;
  line-height: 1.25;
}

.card p {
  color: var(--muted);
  line-height: 1.65;
}

.specs {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 18px 0 0;
}

.specs li {
  list-style: none;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: center;
}

.about-panel {
  background: var(--blue);
  color: #fff;
  padding: 42px;
  border-radius: 8px;
}

.about-panel p {
  line-height: 1.7;
  color: rgba(255,255,255,.86);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 28px;
}

.stat {
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 8px;
  padding: 18px;
}

.stat strong {
  display: block;
  font-size: 28px;
}

.banner {
  position: relative;
  min-height: 300px;
  color: #fff;
  display: flex;
  align-items: center;
  overflow: hidden;
}

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

.banner:after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(25,76,147,.62);
}

.banner .wrap {
  position: relative;
  z-index: 1;
}

.page-title {
  max-width: 780px;
}

.page-title h1 {
  color: #fff;
}

.page-title p {
  color: rgba(255,255,255,.86);
}

.product-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .85fr);
  gap: 44px;
  align-items: start;
}

.product-detail img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.detail-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px;
}

.detail-box h2,
.text-block h2 {
  color: var(--blue);
  margin-top: 0;
}

.text-block {
  max-width: 940px;
}

.text-block p,
.text-block li,
.detail-box li {
  color: var(--muted);
  line-height: 1.75;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px 22px;
  background: #fff;
}

.faq details + details {
  margin-top: 14px;
}

.faq summary {
  cursor: pointer;
  color: var(--blue);
  font-weight: 800;
}

.contact-grid {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 28px;
}

.contact-list {
  padding: 0;
  margin: 0;
}

.contact-list li {
  list-style: none;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.contact-list strong {
  display: block;
  color: var(--blue);
  margin-bottom: 5px;
}

.cta {
  background: var(--blue);
  color: #fff;
  padding: 52px 0;
}

.cta .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.cta h2 {
  margin: 0;
  font-size: 34px;
}

.footer {
  background: #101828;
  color: #fff;
  padding: 54px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr .7fr .7fr 1fr;
  gap: 30px;
}

.footer h3 {
  margin: 0 0 16px;
  color: #fff;
}

.footer p,
.footer a,
.footer li {
  color: rgba(255,255,255,.72);
  line-height: 1.7;
}

.footer ul {
  padding: 0;
  margin: 0;
}

.footer li {
  list-style: none;
}

.copy {
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.55);
}

@media (max-width: 980px) {
  .nav,
  .section-head,
  .cta .wrap {
    align-items: flex-start;
    flex-direction: column;
  }

  .menu {
    flex-wrap: wrap;
  }

  .hero,
  .hero-content {
    min-height: 560px;
  }

  .grid.cols-3,
  .grid.cols-4,
  .split,
  .product-detail,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 620px) {
  .wrap {
    width: min(100% - 28px, var(--max));
  }

  .nav {
    min-height: 78px;
  }

  .logo img {
    width: 160px;
  }

  .hero,
  .hero-content {
    min-height: 520px;
  }

  .section {
    padding: 54px 0;
  }

  .about-panel {
    padding: 28px;
  }
}