:root {
  color-scheme: light;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #ffffff;
  color: #0f172a;
  line-height: 1.65;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #f8fafc;
}

img,
svg {
  max-width: 100%;
}

button,
a {
  font: inherit;
}

.container {
  width: min(1140px, calc(100% - 3rem));
  margin: 0 auto;
}

.page-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
}

.brand {
  color: #0f172a;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #0f172a;
  font-size: 1.8rem;
  cursor: pointer;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.nav-links a {
  color: #475569;
  text-decoration: none;
  transition: color 0.2s ease;
}

.lang-switcher {
  display: inline-flex;
  align-items: center;
}

.language-select {
  appearance: none;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  background: #ffffff;
  color: #0f172a;
  font-size: 0.95rem;
  cursor: pointer;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.nav-links a:hover {
  color: #0f172a;
}

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

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    right: 1.5rem;
    top: 100%;
    left: 1.5rem;
    flex-direction: column;
    gap: 0;
    padding: 1rem 1.2rem;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

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

  .nav-links a {
    display: block;
    padding: 0.9rem 0;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  }

  .nav-links a:last-child {
    border-bottom: none;
  }
}

.hero {
  padding: 3rem 0 2.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 1.8rem;
  align-items: center;
}

.hero-copy {
  max-width: 640px;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 1.5rem;
  color: #375a7a;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

h1 {
  margin: 0;
  font-size: clamp(2.8rem, 4vw, 4.8rem);
  line-height: 1.02;
  color: #0f172a;
}

.hero-copy p,
.section p,
.feature-card p,
.sector-item p,
.step p {
  color: #475569;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.8rem;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-3px);
}

.primary {
  background: #0f172a;
  color: #ffffff;
  box-shadow: 0 22px 50px rgba(15, 23, 42, 0.14);
}

.secondary {
  background: #f1f5f9;
  color: #0f172a;
  border: 1px solid rgba(15, 23, 42, 0.12);
}

.hero-stats {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  margin-top: 3rem;
}

.hero-stats div {
  padding: 1.25rem 1.4rem;
  border-radius: 20px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.hero-stats strong {
  display: block;
  font-size: 1.6rem;
  margin-bottom: 0.45rem;
  color: #0f172a;
}

.hero-visual {
  position: relative;
  min-height: 480px;
}

.visual-panel {
  position: relative;
  width: 100%;
  min-height: 420px;
  border-radius: 32px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  padding: 2rem;
  box-shadow: 0 30px 80px rgba(15, 23, 42, 0.05);
}

.visual-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(31, 101, 255, 0.2), transparent 35%),
    radial-gradient(circle at bottom left, rgba(255, 255, 255, 0.08), transparent 20%);
}

.tag {
  position: relative;
  display: inline-flex;
  z-index: 1;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.05);
  color: #0f172a;
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.visual-card {
  position: relative;
  z-index: 1;
  padding: 2rem;
  border-radius: 28px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.visual-circle {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  margin-bottom: 1.5rem;
  background: radial-gradient(circle, rgba(31, 101, 255, 0.9), rgba(31, 101, 255, 0.22));
  box-shadow: 0 0 50px rgba(31, 101, 255, 0.25);
}

.section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 2.5rem;
}

.section-header--offset {
  margin-top: 2rem;
}

.section-header h2 {
  font-size: clamp(2rem, 3.2vw, 3rem);
  margin: 0.85rem 0 1rem;
}

.services-alt,
.sectors,
.process,
.portfolio {
  background: #f8fafc;
}

.feature-grid,
.portfolio-grid,
.metrics-grid,
.contact-details,
.tech-grid {
  display: grid;
  gap: 1.5rem;
}

.feature-grid,
.tech-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.feature-card,
.metric-card,
.portfolio-card,
.sector-item,
.step {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 26px;
  padding: 2rem;
}

.feature-card h3,
.metric-card h3,
.portfolio-card h3,
.sector-item h3,
.step h4 {
  margin-top: 0;
  color: #0f172a;
}

.feature-card p,
.metric-card p,
.portfolio-card p,
.sector-item p,
.step p {
  margin: 1rem 0 0;
  color: #475569;
}

.split-alt {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.sector-list {
  display: grid;
  gap: 1rem;
}

.sector-item {
  padding: 1.5rem;
}

.metrics-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.about-grid {
  display: grid;
  gap: 1.4rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-top: 2rem;
}

.about-card,
.tech-card,
.vision-card {
  padding: 1.8rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 28px;
  background: #ffffff;
}

.tech-card h3,
.vision-card h3 {
  margin-top: 0;
}

.tech-grid,
.vision-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.metric-card {
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(31, 101, 255, 0.06), transparent 55%);
  opacity: 0.35;
}

.metric-card > * {
  position: relative;
  z-index: 1;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.step {
  display: grid;
  gap: 0.75rem;
}

.step span {
  display: inline-flex;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: #1f65ff;
  color: #fff;
  font-weight: 700;
}

.portfolio-grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.portfolio-card {
  display: grid;
  gap: 1rem;
}

.portfolio-visual {
  min-height: 180px;
  border-radius: 22px;
  background: #e2e8f0;
  position: relative;
  overflow: hidden;
}

.portfolio-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(31, 101, 255, 0.35), transparent 40%),
    radial-gradient(circle at bottom right, rgba(255, 255, 255, 0.12), transparent 20%);
}

.catalog-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 2rem;
  align-items: start;
  margin-top: 2rem;
}

.sidebar {
  position: sticky;
  top: 96px;
}

.sidebar-card {
  padding: 2rem;
  border-radius: 28px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #ffffff;
}

.sidebar-card h3 {
  margin-top: 0;
  color: #0f172a;
}

.sidebar-list,
.sidebar-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-list > li {
  margin-bottom: 1.5rem;
  color: #475569;
}

.sidebar-list > li ul {
  margin-top: 0.75rem;
  padding-left: 1rem;
}

.sidebar-list li li {
  margin: 0.5rem 0;
  font-size: 0.95rem;
  color: #64748b;
}

.catalog-content {
  display: grid;
  gap: 1.5rem;
}

.catalog-intro-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.product-group-card,
.product-card {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 28px;
  padding: 2rem;
}

.product-group-card h3,
.product-card h4 {
  margin-top: 0;
  color: #0f172a;
}

.product-group-card p,
.product-card p {
  color: #475569;
}

.product-group-card ul {
  list-style: disc inside;
  margin: 1rem 0 0;
  padding-left: 1rem;
  color: #475569;
}

.product-group-card ul li {
  margin-bottom: 0.7rem;
}

.product-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.filter-panel {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.filter-label {
  color: #0f172a;
  font-weight: 700;
}

.filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.filter-options label {
  background: #f8fafc;
  padding: 0.35rem 0.65rem;
  border-radius: 12px;
  color: #475569;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.tag-badge {
  display: inline-flex;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  background: #1e3a8a;
  color: #fff;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-label {
  margin: 1rem 0 0;
  display: inline-block;
  color: #7fb4ff;
  font-weight: 700;
  font-size: 0.9rem;
}

.product-copy {
  margin: 1rem 0 0;
}

.request-button {
  margin-top: 1.5rem;
  width: 100%;
  border: none;
  border-radius: 999px;
  padding: 0.95rem 1.25rem;
  background: #1e3a8a;
  color: #ffffff;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease;
}

.request-button:hover {
  background: #2b5ac1;
}

.product-image {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 16px;
  margin-bottom: 0.9rem;
  background: #f1f5f9;
}

.card-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.card-actions .request-button {
  flex: 1 1 auto;
  width: auto;
  color: #0f172a;
  background: #f1f5f9;
  border: 1px solid rgba(15, 23, 42, 0.12);
}

.upload-btn {
  background: transparent;
  border: 1px solid rgba(15, 23, 42, 0.12);
  color: #475569;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  cursor: pointer;
}

/* Logo in header */
.site-logo {
  height: 50px;
  display: inline-block;
  vertical-align: middle;
  margin-right: 0.8rem;
}

.brand-text {
  color: #0f172a;
  font-weight: 800;
  font-size: 1.05rem;
  vertical-align: middle;
}

.visual-card img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  margin-bottom: 1rem;
}

/* Hero carousel */
.carousel {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  background: #ffffff;
  padding: 0.75rem;
  min-height: 200px;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s ease;
  align-items: center;
}

.carousel-slide {
  min-width: 100%;
  box-sizing: border-box;
  padding: 0.35rem;
}

.carousel-slide img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  border-radius: 12px;
}

.carousel-caption {
  color: #0f172a;
  margin-top: 0.8rem;
  font-size: 1rem;
}

.carousel-control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(15, 23, 42, 0.15);
  color: #0f172a;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 1.4rem;
}

.carousel-control.prev { left: 12px; }
.carousel-control.next { right: 12px; }

@media (max-width: 760px) {
  .carousel-slide img { height: 130px; }
  .carousel { min-height: 170px; }
}

@media (max-width: 1024px) {
  .catalog-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }
}

.contact-box {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.2fr 0.9fr;
  align-items: stretch;
  border-radius: 32px;
  padding: 2.5rem;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.contact-form {
  display: grid;
  gap: 1.5rem;
}

.contact-form-wrapper {
  display: grid;
  gap: 1.5rem;
}

.contact-form-wrapper--offset {
  max-width: 900px;
  margin: 2rem auto;
}

.contact-form .form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-weight: 600;
  color: #0f172a;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 1rem 1.1rem;
  border-radius: 18px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #f8fafc;
  color: #0f172a;
}

.contact-form textarea {
  min-height: 160px;
  resize: vertical;
}

@media (max-width: 760px) {
  .contact-form .form-row {
    grid-template-columns: 1fr;
  }
}

.contact-details {
  grid-template-columns: 1fr;
  padding: 1.5rem;
  border-radius: 28px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.contact-details div {
  margin-bottom: 1.25rem;
}

.contact-details h3 {
  margin-bottom: 0.5rem;
}

.footer {
  padding: 1.5rem 0 2rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: #64748b;
}

@media (max-width: 1024px) {
  .hero-grid,
  .split-alt,
  .contact-box {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .header-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3rem;
  }

  h1 {
    font-size: clamp(2.4rem, 7vw, 3.6rem);
  }
}