:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --ink: #101820;
  --muted: #5d6a75;
  --line: #dbe2ea;
  --blue: #006ee6;
  --blue-dark: #004a9c;
  --steel: #202933;
  --green: #19a974;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: white;
  background: var(--blue);
  border-radius: 6px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 15px;
}

.site-nav a:hover {
  color: var(--blue);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  min-height: 40px;
  padding: 0 14px;
  border-radius: 6px;
  font-weight: 700;
}

.hero {
  min-height: calc(100vh - 70px);
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  align-items: center;
  gap: clamp(24px, 5vw, 72px);
  padding: clamp(42px, 7vw, 92px) clamp(18px, 4vw, 56px);
  background: linear-gradient(110deg, #ffffff 0%, #ffffff 46%, #e8eef5 46%, #e8eef5 100%);
}

.hero-copy {
  max-width: 620px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(46px, 7vw, 88px);
}

h2 {
  font-size: clamp(28px, 4vw, 48px);
}

.hero-subtitle {
  margin: 18px 0 0;
  color: var(--steel);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
}

.hero-text {
  max-width: 520px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 6px;
  font-weight: 800;
}

.button.primary {
  color: #ffffff;
  background: var(--blue);
}

.button.secondary {
  color: var(--blue-dark);
  border: 1px solid var(--line);
  background: #ffffff;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(16, 24, 32, 0.22);
}

.section {
  padding: clamp(48px, 7vw, 88px) clamp(18px, 4vw, 56px);
}

.intro,
.cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.8fr);
  align-items: center;
  gap: 32px;
  background: var(--surface);
}

.intro p:last-child,
.cta p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.section-heading {
  margin-bottom: 28px;
}

.product-grid,
.category-list,
.contact-list {
  display: grid;
  gap: 16px;
}

.product-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.product-card,
.category,
.contact-list a,
.stats div {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.product-card {
  min-height: 190px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  padding: 20px;
}

.product-card span {
  color: var(--blue);
  font-weight: 800;
}

.product-card strong {
  font-size: 16px;
  line-height: 1.45;
}

.cta {
  color: #ffffff;
  background: var(--steel);
}

.cta .eyebrow {
  color: #8cc4ff;
}

.cta .button {
  justify-self: end;
}

.page-hero {
  padding: clamp(56px, 9vw, 104px) clamp(18px, 4vw, 56px);
  color: #ffffff;
  background: var(--steel);
}

.page-hero h1 {
  max-width: 980px;
  font-size: clamp(36px, 6vw, 70px);
}

.content-section {
  max-width: 960px;
}

.content-section p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 21px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding-top: 0;
}

.stats div {
  padding: 22px;
}

.stats strong,
.stats span {
  display: block;
}

.stats strong {
  font-size: 22px;
}

.stats span {
  color: var(--muted);
  margin-top: 6px;
}

.category-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.category {
  padding: 24px;
}

.category h2 {
  font-size: 26px;
}

.category ul {
  margin: 18px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.contact-list {
  max-width: 860px;
}

.contact-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 22px;
  font-size: 20px;
  font-weight: 800;
}

.contact-list span {
  color: var(--muted);
  font-size: 16px;
  font-weight: 400;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(18px, 4vw, 56px);
  color: #dbe2ea;
  background: #101820;
}

@media (max-width: 980px) {
  .hero,
  .intro,
  .cta {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    background: #ffffff;
  }

  .hero-media {
    order: -1;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cta .button {
    justify-self: start;
  }
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-top: 1px solid var(--line);
    padding-top: 8px;
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    min-height: 42px;
    display: flex;
    align-items: center;
  }

  .product-grid,
  .category-list,
  .stats {
    grid-template-columns: 1fr;
  }

  .contact-list a,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}