:root {
  --ink: #102234;
  --muted: #5c6b79;
  --line: #d9e4ee;
  --paper: #ffffff;
  --soft: #f4f8fb;
  --blue: #0871b8;
  --blue-dark: #064c82;
  --blue-soft: #e8f4fb;
  --steel: #233b50;
  --orange: #ef6b2e;
  --green: #17866f;
  --shadow: 0 20px 50px rgba(16, 34, 52, 0.12);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body.nav-open {
  overflow: hidden;
}

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

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

.container {
  width: min(1180px, calc(100% - 44px));
  margin: 0 auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  transform: translateY(-140%);
  padding: 10px 14px;
  color: #fff;
  background: var(--ink);
  border-radius: 6px;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.top-strip {
  color: #fff;
  background: linear-gradient(90deg, var(--blue-dark), var(--blue));
}

.top-strip__inner {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 13px;
}

.top-strip__inner > span {
  font-weight: 700;
}

.top-strip__links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.top-strip__links a {
  color: rgba(255, 255, 255, 0.92);
}

.main-nav__inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand__mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--blue-dark), var(--orange));
  border-radius: 8px;
  font-weight: 800;
  letter-spacing: 0;
  box-shadow: 0 12px 24px rgba(8, 113, 184, 0.22);
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.1;
}

.brand strong {
  font-size: 18px;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 9px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  display: block;
  padding: 14px 12px;
  color: var(--steel);
  font-size: 14px;
  font-weight: 700;
}

.nav-list a:hover,
.nav-list a:focus {
  color: var(--blue);
}

.hero {
  overflow: hidden;
  background:
    linear-gradient(90deg, #fff 0%, #fff 52%, var(--blue-soft) 52%, var(--blue-soft) 100%),
    #fff;
  border-bottom: 1px solid var(--line);
}

.hero__inner {
  min-height: 690px;
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 44px;
  align-items: center;
  padding: 62px 0 48px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
dl,
dd {
  margin: 0;
}

h1 {
  max-width: 620px;
  font-size: 56px;
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  font-size: 36px;
  line-height: 1.16;
  letter-spacing: 0;
}

h3 {
  font-size: 20px;
  line-height: 1.3;
}

p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.hero__copy > p:not(.eyebrow) {
  max-width: 640px;
  margin-top: 22px;
  font-size: 17px;
}

.hero__actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 30px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 800;
}

.button--primary {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 14px 28px rgba(8, 113, 184, 0.23);
}

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

.button--secondary {
  color: var(--blue-dark);
  background: #fff;
  border-color: var(--line);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 38px;
  max-width: 650px;
}

.hero-stats div {
  min-height: 104px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
}

.hero-stats dt {
  color: var(--blue-dark);
  font-size: 24px;
  font-weight: 850;
}

.hero-stats dd {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.hero__image {
  margin: 0;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
}

.hero__image img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.section {
  padding: 86px 0;
}

.section--white {
  background: #fff;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.7fr);
  align-items: end;
  gap: 48px;
  margin-bottom: 38px;
}

.about-grid,
.tech-grid,
.service-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 46px;
  align-items: center;
}

.about-grid figure,
.tech-grid figure,
.service-grid figure,
.application-grid figure {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.about-grid img,
.tech-grid img,
.service-grid img,
.application-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-mini {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.contact-mini a {
  color: var(--blue-dark);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.product-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(16, 34, 52, 0.06);
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #f8fbfd;
}

.product-card div {
  padding: 22px;
}

.product-card span {
  display: block;
  margin-bottom: 10px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.product-card p {
  margin-top: 10px;
  font-size: 14px;
}

.feature-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.feature-list li,
.service-points span {
  position: relative;
  padding: 13px 14px 13px 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--steel);
  font-size: 14px;
  font-weight: 700;
}

.feature-list li::before,
.service-points span::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 18px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

.service-grid {
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
}

.service-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.application-grid img {
  aspect-ratio: 16 / 10;
}

.contact-section {
  color: #fff;
  background:
    linear-gradient(105deg, rgba(6, 76, 130, 0.97), rgba(23, 134, 111, 0.94)),
    var(--blue-dark);
}

.contact-section .eyebrow,
.contact-section p {
  color: rgba(255, 255, 255, 0.84);
}

.contact-section h2 {
  color: #fff;
}

.contact-card {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
}

.contact-card h3 {
  margin-bottom: 20px;
  color: #fff;
}

.contact-card dl {
  display: grid;
  gap: 14px;
}

.contact-card div {
  display: grid;
  gap: 5px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.contact-card div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.contact-card dt {
  color: rgba(255, 255, 255, 0.64);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.contact-card a {
  color: #fff;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.site-footer {
  padding: 34px 0;
  color: var(--muted);
  background: #fff;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
}

.footer-grid strong {
  color: var(--ink);
}

.footer-grid p {
  margin-top: 8px;
  font-size: 13px;
}

.footer-grid div:last-child {
  display: grid;
  justify-items: end;
  gap: 8px;
}

.footer-grid a {
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

@media (max-width: 980px) {
  .top-strip__inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 10px 0;
    gap: 8px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-panel {
    position: fixed;
    inset: 118px 16px auto 16px;
    display: none;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--shadow);
  }

  body.nav-open .nav-panel {
    display: block;
  }

  .nav-list {
    display: grid;
    gap: 4px;
  }

  .nav-list a {
    padding: 12px;
  }

  .hero {
    background: #fff;
  }

  .hero__inner,
  .section-heading,
  .about-grid,
  .tech-grid,
  .service-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero__inner {
    min-height: auto;
    padding: 52px 0 42px;
  }

  h1 {
    font-size: 44px;
  }

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

@media (max-width: 680px) {
  .container {
    width: min(100% - 32px, 1180px);
  }

  .top-strip__links {
    gap: 8px;
  }

  .top-strip__links a {
    width: 100%;
  }

  .brand strong {
    font-size: 16px;
  }

  .brand small {
    font-size: 11px;
  }

  .hero__inner {
    padding-top: 38px;
  }

  h1 {
    font-size: 36px;
  }

  h2 {
    font-size: 30px;
  }

  .hero-stats,
  .product-grid,
  .service-points,
  .application-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero__actions,
  .contact-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .section {
    padding: 60px 0;
  }

  .product-card img {
    aspect-ratio: 16 / 10;
  }

  .footer-grid div:last-child {
    justify-items: start;
  }
}
