.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  background: rgba(10, 10, 11, 0.76);
  border-bottom: 1px solid var(--color-border);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  padding: 3px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-2));
  box-shadow: 0 12px 26px rgba(192, 197, 206, 0.18);
  overflow: hidden;
  flex-shrink: 0;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 13px;
  background: #0a0a0b;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
  line-height: 1;
}

.brand-copy strong {
  font-size: 1.45rem;
  letter-spacing: 0.05em;
}

.brand-copy span {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  width: 52px;
  height: 52px;
  padding: 0;
  border-radius: 14px;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.04);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

.nav-toggle[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-panel {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.72rem 1rem;
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.nav-links a:hover,
.nav-links a:focus-visible,
.language-link:hover,
.language-link:focus-visible {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
}

.nav-links .btn-nav {
  min-height: 48px;
  color: var(--color-text);
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
}

.language-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 40px;
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-pill);
  color: var(--color-text-dim);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.language-link.is-active {
  color: #0a0a0b;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-2));
  box-shadow: 0 10px 24px rgba(192, 197, 206, 0.16);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(5rem, 10vw, 7.5rem) 0 clamp(3.5rem, 7vw, 5rem);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 10, 11, 0.24), rgba(10, 10, 11, 0.88)),
    radial-gradient(circle at 20% 16%, rgba(102, 207, 242, 0.12), transparent 24%),
    radial-gradient(circle at 82% 18%, rgba(192, 197, 206, 0.16), transparent 26%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.02), transparent 45%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.42), transparent 78%);
  opacity: 0.45;
  pointer-events: none;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 100%, rgba(102, 207, 242, 0.14), transparent 28%),
    radial-gradient(circle at 50% 0%, rgba(192, 197, 206, 0.1), transparent 34%);
  pointer-events: none;
}

.hero-watermark {
  position: absolute;
  top: 50%;
  right: -4rem;
  width: min(40vw, 540px);
  opacity: 0.07;
  transform: translateY(-48%);
  filter: grayscale(1) contrast(1.1);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.9fr);
  gap: 32px;
  align-items: center;
}

.hero-copy,
.hero-card-stack {
  position: relative;
  z-index: 1;
}

.hero-copy {
  max-width: 720px;
}

.hero-logo {
  width: clamp(240px, 34vw, 430px);
  max-width: min(100%, 430px);
  margin-bottom: 1rem;
  border-radius: 0;
  box-shadow: 0 20px 55px rgba(0, 0, 0, 0.35);
}

.hero-copy h1 {
  max-width: 10.5ch;
  margin-bottom: 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 22px;
}

.hero-points {
  display: grid;
  gap: 10px;
  list-style: none;
  padding: 0;
}

.hero-points li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-points li::before {
  content: '•';
  color: var(--color-secondary);
  font-size: 1.45rem;
  line-height: 1;
}

.hero-card-stack {
  display: grid;
  gap: 18px;
}

.stat-card,
.spec-card {
  padding: 24px;
}

.stat-card strong {
  display: block;
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 4rem);
  letter-spacing: 0.03em;
  line-height: 0.95;
  text-transform: uppercase;
}

.stat-card p,
.spec-card p,
.spec-card li {
  margin: 0;
}

.stat-card-primary {
  border-color: rgba(192, 197, 206, 0.22);
  box-shadow: var(--shadow-glow);
}

.spec-card {
  display: grid;
  gap: 12px;
}

.spec-card h2 {
  font-size: clamp(1.7rem, 3vw, 2.6rem);
}

.spec-card ul,
.product-card ul,
.quote-panel ul {
  display: grid;
  gap: 10px;
  padding-left: 1.15rem;
}

.spec-card li::marker,
.product-card li::marker,
.quote-panel li::marker {
  color: var(--color-secondary);
}

.trust-strip {
  padding: 0 0 clamp(2.5rem, 6vw, 4rem);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.trust-grid > div,
.contact-card {
  padding: 20px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
}

.trust-grid strong,
.contact-card h3 {
  display: block;
  margin-bottom: 6px;
  color: var(--color-text);
}

.section-heading {
  display: grid;
  gap: 1rem;
  margin-bottom: clamp(2rem, 5vw, 3.25rem);
  text-align: center;
}

.section-heading p {
  max-width: 44rem;
  margin: 0 auto;
}

.align-left,
.split-heading {
  text-align: left;
}

.align-left p,
.split-heading p {
  margin-left: 0;
}

.split-heading {
  align-items: end;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.85fr);
  gap: 20px;
}

.category-grid,
.product-grid,
.process-grid,
.contact-cards {
  display: grid;
  gap: 18px;
}

.category-grid,
.product-grid,
.process-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.category-card,
.product-card,
.process-card,
.solution-item,
.quote-panel,
.contact-form {
  padding: 24px;
}

.card-icon,
.process-card > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  min-height: 52px;
  margin-bottom: 1rem;
  padding: 0 0.9rem;
  border-radius: var(--radius-pill);
  background: rgba(192, 197, 206, 0.08);
  border: 1px solid rgba(192, 197, 206, 0.2);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.12em;
}

.category-card h3,
.product-card h3,
.solution-item h3,
.quote-panel h3,
.process-card h3,
.contact-copy h2,
.site-footer h3 {
  margin-bottom: 0.75rem;
}

.category-card p,
.product-card p,
.solution-item p,
.process-card p,
.contact-copy p,
.site-footer p,
.form-note {
  margin-top: 0;
}

.category-card a:not(.btn),
.product-meta a:not(.btn),
.quote-panel a:not(.btn),
.contact-card a:not(.btn),
.site-footer a:not(.btn) {
  color: var(--color-primary);
  font-weight: 700;
}

.category-card a:not(.btn):hover,
.product-meta a:not(.btn):hover,
.quote-panel a:not(.btn):hover,
.contact-card a:not(.btn):hover,
.site-footer a:not(.btn):hover {
  color: var(--color-primary-2);
}

.accent-red,
.accent-blue,
.accent-gold {
  overflow: hidden;
}

.accent-red::before,
.accent-blue::before,
.accent-gold::before {
  content: '';
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  opacity: 0.8;
}

.accent-red::before {
  background: linear-gradient(90deg, var(--color-primary), transparent 75%);
}

.accent-blue::before {
  background: linear-gradient(90deg, var(--color-secondary), transparent 75%);
}

.accent-gold::before {
  background: linear-gradient(90deg, rgba(221, 224, 230, 0.8), transparent 75%);
}

.product-badge {
  margin-bottom: 1rem;
}

.product-card {
  display: flex;
  flex-direction: column;
}

.product-card ul {
  margin-bottom: 1.5rem;
}

.product-meta {
  margin-top: auto;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.product-meta strong {
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 1.75rem;
  letter-spacing: 0.04em;
  line-height: 1;
  text-transform: uppercase;
}

.solutions-grid,
.contact-grid,
.footer-grid {
  display: grid;
  gap: 24px;
}

.solutions-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.8fr);
  align-items: start;
}

.solution-list {
  display: grid;
  gap: 16px;
}

.quote-panel {
  position: sticky;
  top: 108px;
  display: grid;
  gap: 16px;
}

.quote-panel .section-tag {
  margin-bottom: 0;
}

.process-card {
  min-height: 100%;
}

.contact-grid {
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  align-items: start;
}

.contact-cards {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 2rem;
}

.contact-card a,
.contact-card p {
  margin: 0;
  word-break: break-word;
}

.contact-form {
  display: grid;
  gap: 18px;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.contact-form label {
  display: grid;
  gap: 10px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  outline: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

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

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--color-text-dim);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: rgba(192, 197, 206, 0.4);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 0 3px rgba(192, 197, 206, 0.1);
}

.form-note {
  font-size: 0.95rem;
  color: var(--color-text-dim);
}

.site-footer {
  padding: 2.75rem 0 1.5rem;
  border-top: 1px solid var(--color-border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(0, 0, 0, 0));
}

.footer-grid {
  grid-template-columns: minmax(0, 1.2fr) minmax(180px, 0.8fr) minmax(220px, 0.9fr);
  align-items: start;
}

.footer-brand {
  margin-bottom: 1rem;
}

.footer-grid ul {
  display: grid;
  gap: 10px;
  padding-left: 0;
  list-style: none;
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--color-text-dim);
  font-size: 0.92rem;
}

@media (max-width: 1080px) {
  .hero-grid,
  .solutions-grid,
  .contact-grid,
  .split-heading,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy h1 {
    max-width: 100%;
  }

  .quote-panel {
    position: static;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .nav-panel {
    position: absolute;
    top: calc(100% + 10px);
    left: 12px;
    right: 12px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    border: 1px solid var(--color-border);
    border-radius: 22px;
    background: rgba(10, 10, 11, 0.96);
    box-shadow: var(--shadow-lg);
  }

  .nav-panel.is-open {
    display: flex;
  }

  .nav-links,
  .language-switch {
    width: 100%;
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
  }

  .language-switch {
    justify-content: center;
  }

  .nav-links a,
  .language-link {
    width: 100%;
  }

  .trust-grid,
  .category-grid,
  .product-grid,
  .process-grid,
  .contact-cards,
  .field-row {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .navbar {
    min-height: 78px;
  }

  .brand-copy strong {
    font-size: 1.2rem;
  }

  .hero {
    padding-top: 4.6rem;
  }

  .hero-watermark {
    top: auto;
    right: -2rem;
    bottom: -2rem;
    width: min(72vw, 320px);
    transform: none;
  }

  .hero-actions {
    flex-direction: column;
  }

  .product-meta {
    flex-direction: column;
    align-items: flex-start;
  }
}


/* Article and guide layouts */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.guide-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 100%;
  padding: 24px;
}

.guide-card p {
  margin: 0;
  flex: 1;
}

.guide-card a {
  color: var(--color-primary);
  font-weight: 700;
}

.guide-card a:hover {
  color: var(--color-primary-2);
}

.article-page {
  position: relative;
}

.article-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4.75rem, 9vw, 6.75rem) 0 clamp(2.75rem, 6vw, 4rem);
  border-bottom: 1px solid var(--color-border);
}

.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(10, 10, 11, 0.86)),
    radial-gradient(circle at 18% 18%, rgba(102, 207, 242, 0.12), transparent 26%),
    radial-gradient(circle at 78% 14%, rgba(192, 197, 206, 0.14), transparent 28%);
  pointer-events: none;
}

.article-hero-grid,
.article-layout {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 24px;
}

.article-hero-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.78fr);
  align-items: start;
}

.article-hero-copy {
  max-width: 780px;
}

.breadcrumb-link {
  display: inline-flex;
  align-items: center;
  margin-bottom: 1.2rem;
  color: var(--color-primary);
  font-size: 0.95rem;
  font-weight: 700;
}

.article-summary-card,
.article-section,
.article-sidebar-card,
.article-cta-panel {
  padding: 24px;
}

.article-facts {
  display: grid;
  gap: 14px;
  margin-top: 1rem;
}

.article-fact {
  display: grid;
  gap: 0.35rem;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
}

.article-fact:first-child {
  padding-top: 0;
  border-top: 0;
}

.article-fact span {
  color: var(--color-text-dim);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.article-fact strong {
  color: var(--color-text);
  font-size: 1.1rem;
}

.article-content-shell {
  padding-top: clamp(2.75rem, 6vw, 4rem);
}

.article-layout {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 340px);
  align-items: start;
}

.article-body,
.article-sidebar {
  display: grid;
  gap: 18px;
}

.article-sidebar {
  position: sticky;
  top: 108px;
}

.article-section h2,
.article-cta-panel h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw, 3rem);
}

.article-section p,
.article-cta-panel p,
.article-sidebar-card p {
  margin: 0;
}

.article-section p + p,
.article-cta-panel p + p,
.article-sidebar-card p + p {
  margin-top: 1rem;
}

.article-section ul,
.article-sidebar-card ul {
  display: grid;
  gap: 10px;
  padding-left: 1.15rem;
  margin-top: 1rem;
}

.article-section li::marker,
.article-sidebar-card li::marker {
  color: var(--color-secondary);
}

.article-sidebar-card a:not(.btn) {
  color: var(--color-primary);
  font-weight: 700;
}

.article-sidebar-card .btn + .btn {
  margin-top: 0.75rem;
}

@media (max-width: 1080px) {
  .article-hero-grid,
  .article-layout,
  .guide-grid {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    position: static;
  }
}

@media (max-width: 860px) {
  .guide-grid {
    grid-template-columns: 1fr;
  }
}