/*
Theme Name: O-Ring Minimal
Theme URI: https://o-ringseal.com/
Description: WordPress theme for the O-Ring migration project with Elementor fallbacks, WooCommerce integration, and multi-language SEO helpers.
Author: SEO Empire Team
Version: 0.1.3
Text Domain: oring-minimal
*/

:root {
  --surface-default: #f5f7fa;
  --surface-subtle: #eef2f7;
  --surface-card: #ffffff;
  --surface-border: rgba(9, 30, 66, 0.08);
  --text-primary: #0c2340;
  --text-secondary: #475569;
  --text-muted: #8a94a6;
  --brand-primary: #143f8a;
  --brand-primary-dark: #0f2f68;
  --brand-secondary: #00a3c9;
  --brand-accent: #ff8b3d;
  --brand-accent-soft: rgba(255, 139, 61, 0.18);
  --accent-blue: #1f66b3;
  --accent-sky: #25b1da;
  --accent-orange: #ff8b3d;
  --accent-green: #0fb17c;
  --success-500: #0fb17c;
  --success-600: #0c8e62;
  --warning-500: #f4b740;
  --error-500: #e15050;
  --neutral-50: #f8f9fb;
  --neutral-200: #dfe5ef;
  --neutral-400: #a9b3c4;
  --neutral-700: #1e2a42;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-2xl: 28px;
  --radius-xxl: 36px;
  --radius-full: 999px;
  --shadow-sm: 0 6px 16px rgba(8, 24, 56, 0.08);
  --shadow-md: 0 14px 28px rgba(8, 24, 56, 0.09);
  --shadow-lg: 0 24px 36px rgba(8, 24, 56, 0.12);
  --shadow-xl: 0 40px 60px rgba(8, 24, 56, 0.15);
}


body {
  font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-primary);
  background: var(--surface-default);
  margin: 0;
}

a {
  color: var(--brand-primary);
  text-decoration: none;
}

a:hover {
  color: var(--brand-secondary);
  text-decoration: underline;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  padding: 0;
  border: none;
  background: transparent;
  color: #fff;
  z-index: -1;
}

.skip-link:focus,
.skip-link:focus-visible {
  position: fixed;
  top: 1rem;
  left: 1rem;
  width: auto;
  height: auto;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.95);
  color: #f8fafc;
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.35);
  outline: 3px solid rgba(59, 130, 246, 0.85);
  outline-offset: 3px;
  z-index: 10000;
  text-decoration: none;
}

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

p {
  color: var(--gray-600);
  line-height: 1.7;
}

h1, h2, h3, h4, h5 {
  color: var(--gray-900);
  margin: 0 0 var(--space-3);
}

.primary-menu,
.footer-menu {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  align-items: center;
}

.primary-menu li,
.footer-menu li {
  margin: 0;
  padding: 0;
}

.primary-menu a,
.footer-menu a {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.2s ease;
}

.primary-menu a:hover,
.footer-menu a:hover,
.primary-menu .current-menu-item > a {
  color: var(--brand-primary);
}

.back-to-top-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.12);
  color: var(--brand-primary);
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.back-to-top-link:hover,
.back-to-top-link:focus-visible {
  background: rgba(37, 99, 235, 0.2);
  transform: translateY(-1px);
  outline: 3px solid rgba(37, 99, 235, 0.35);
  outline-offset: 3px;
}

.language-toggle,
.language-toggle-footer a {
  color: var(--brand-primary);
  font-weight: 500;
}

.language-toggle:hover,
.language-toggle-footer a:hover {
  color: var(--brand-accent);
}

.unified-header {
  position: relative;
  background: #ffffff;
  color: var(--text-primary);
  overflow: hidden;
  padding: clamp(1.4rem, 3vw, 1.85rem) 0 clamp(1.2rem, 3vw, 1.6rem);
  margin-bottom: clamp(1.1rem, 3vw, 1.8rem);
  box-shadow: 0 14px 32px rgba(8, 24, 56, 0.08);
  border-bottom: 1px solid rgba(12, 35, 64, 0.05);
}

.unified-header__overlay {
  display: none;
}

.header-container {
  position: relative;
  z-index: 1;
  width: min(1200px, 100% - 3rem);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.5rem);
}

.brand-cluster {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
}

.site-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(20, 63, 138, 0.15);
  background: rgba(0, 163, 201, 0.12);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-primary);
}

.site-title {
  color: var(--text-primary);
  font-weight: 700;
  font-size: clamp(1.35rem, 4vw, 1.75rem);
  letter-spacing: -0.015em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-section {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
}

.unified-nav {
  position: relative;
}

.unified-nav__list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2.2vw, 1.75rem);
  margin: 0;
  padding: 0;
}

.unified-nav__list li {
  margin: 0;
}

.unified-nav__list a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.unified-nav__list a:hover,
.unified-nav__list .current-menu-item > a,
.unified-nav__list .current_page_item > a {
  color: var(--brand-primary);
  background: rgba(20, 63, 138, 0.08);
  transform: translateY(-1px);
}

.unified-nav__list a[href*="/zh/"] {
  display: none;
}

.nav-action-group {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.contact-chips {
  display: inline-flex;
  gap: 0.45rem;
}

.contact-chips a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(34, 38, 46, 0.08);
  color: var(--text-secondary);
  font-weight: 500;
  background: rgba(34, 38, 46, 0.04);
}

.contact-chips a span {
  font-size: 0.85rem;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(20, 63, 138, 0.15);
  border-radius: 999px;
  background: rgba(20, 63, 138, 0.05);
  overflow: hidden;
}

.language-switch__link {
  padding: 0.4rem 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
}

.language-switch__link.is-active {
  background: #fff;
  color: var(--brand-primary);
}

.language-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.language-select {
  appearance: none;
  -webkit-appearance: none;
  font: inherit;
  font-weight: 600;
  color: var(--text-primary);
  border: 1px solid rgba(15, 23, 42, 0.18);
  border-radius: 999px;
  padding: 0.45rem 2.5rem 0.45rem 0.85rem;
  background: #fff;
  cursor: pointer;
}

.language-select:focus-visible {
  outline: 3px solid rgba(0, 163, 201, 0.35);
  outline-offset: 2px;
}

.language-dropdown__chevron {
  position: absolute;
  right: 0.9rem;
  pointer-events: none;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.65rem 1.5rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 16px 28px rgba(15, 33, 66, 0.18);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 36px rgba(15, 33, 66, 0.2);
  color: #fff;
}

.language-dropdown {
  position: relative;
}

.language-dropdown__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.18);
  background: #fff;
  color: var(--text-primary);
  font-weight: 600;
  cursor: pointer;
}

.language-dropdown__toggle:focus-visible {
  outline: 3px solid rgba(0, 163, 201, 0.35);
  outline-offset: 2px;
}

.language-dropdown__toggle .language-dropdown__chevron {
  transition: transform 0.2s ease;
}

.language-dropdown.is-open .language-dropdown__toggle .language-dropdown__chevron {
  transform: rotate(180deg);
}

.language-dropdown__menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.35rem);
  list-style: none;
  margin: 0;
  padding: 0.4rem 0;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.15);
  background: #fff;
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.15);
  min-width: 180px;
  z-index: 20;
}

.language-dropdown:not(.is-open) .language-dropdown__menu {
  display: none;
}

.language-dropdown__item {
  display: block;
  padding: 0.45rem 0.85rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
}

.language-dropdown__item:hover,
.language-dropdown__item:focus-visible {
  background: rgba(15, 23, 42, 0.05);
}

.language-dropdown__item.is-active {
  font-weight: 700;
  color: var(--brand-primary);
}

.unified-nav__list a:focus-visible,
.language-toggle:focus-visible,
.nav-cta:focus-visible {
  outline: 3px solid rgba(0, 163, 201, 0.6);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(20, 63, 138, 0.15);
  text-decoration: none;
}

.mobile-menu-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(15, 23, 42, 0.1);
  backdrop-filter: blur(12px);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.mobile-menu-toggle:hover {
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(15, 23, 42, 0.2);
}

.mobile-menu-toggle:focus-visible {
  outline: 3px solid rgba(59, 130, 246, 0.9);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(15, 23, 42, 0.5);
}

.mobile-menu-toggle .hamburger-line {
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: #fff;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.unified-header.is-menu-open .mobile-menu-toggle .hamburger-line:nth-of-type(1) {
  transform: translateY(7px) rotate(45deg);
}

.unified-header.is-menu-open .mobile-menu-toggle .hamburger-line:nth-of-type(2) {
  opacity: 0;
}

.unified-header.is-menu-open .mobile-menu-toggle .hamburger-line:nth-of-type(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.header-nav-overlay {
  display: none;
}

.privacy-notice {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  background: rgba(15, 23, 42, 0.96);
  color: #e2e8f0;
  padding: clamp(1rem, 3vw, 1.5rem);
  box-shadow: 0 -16px 32px rgba(15, 23, 42, 0.45);
}

.privacy-notice[hidden] {
  display: none;
}

.privacy-notice__content {
  width: min(960px, 100% - 2rem);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.privacy-notice__message {
  margin: 0;
  color: #f8fafc;
  font-size: 0.95rem;
  line-height: 1.6;
  flex: 1 1 360px;
}

.privacy-notice__actions {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.privacy-notice__button {
  border: none;
  padding: 0.65rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.privacy-notice__button--accept {
  background: #2563eb;
  color: #f8fafc;
  box-shadow: 0 16px 30px rgba(37, 99, 235, 0.35);
}

.privacy-notice__button--accept:hover,
.privacy-notice__button--accept:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 18px 34px rgba(37, 99, 235, 0.45);
}

.privacy-notice__button--essential {
  background: #1e293b;
  color: #f8fafc;
  box-shadow: inset 0 0 0 1px rgba(241, 245, 249, 0.25);
}

.privacy-notice__button--essential:hover,
.privacy-notice__button--essential:focus-visible {
  transform: translateY(-1px);
  box-shadow: inset 0 0 0 1px rgba(241, 245, 249, 0.45);
}

.privacy-notice__button:focus-visible {
  outline: 3px solid rgba(249, 115, 22, 0.85);
  outline-offset: 2px;
}

@media (max-width: 640px) {
  .privacy-notice__content {
    flex-direction: column;
    align-items: flex-start;
  }

  .privacy-notice__actions {
    width: 100%;
    justify-content: stretch;
  }

  .privacy-notice__button {
    width: 100%;
    text-align: center;
  }
}

.commercial-value-bar {
  border-radius: 999px;
  padding: 0.5rem;
  background: linear-gradient(120deg, rgba(20, 63, 138, 0.15), rgba(0, 163, 201, 0.1));
  color: var(--brand-primary);
  font-weight: 600;
  text-align: center;
}

.commercial-value-bar .main-container {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.enhanced-hero {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.hero-container {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.5rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(1.4rem, 4vw, 2.4rem);
  background: linear-gradient(145deg, #f8faff, #e8f0ff);
  border-radius: var(--radius-xxl);
  padding: clamp(1.5rem, 4vw, 2.35rem);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.hero-keywords {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin: var(--space-2, 0.5rem) 0 var(--space-6, 1.5rem);
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text-primary, #0c2340);
  font-weight: 600;
  font-size: 1rem;
  box-shadow: 0 10px 30px rgba(12, 35, 64, 0.12);
}


.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero-gradient-text {
  background: linear-gradient(135deg, #7dd3f7, #ffb280);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  color: var(--text-secondary);
  font-size: clamp(1rem, 2.6vw, 1.1rem);
  margin-bottom: 1.5rem;
}

.value-props-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.value-prop-card {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 1.25rem;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(12, 35, 64, 0.05);
}

.value-prop-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  background: rgba(0, 163, 201, 0.12);
  color: var(--brand-primary);
}

.metric-grid {
  display: grid;
  gap: 0.75rem;
}

.metric-item {
  background: rgba(15, 23, 42, 0.75);
  padding: 1rem 1.25rem;
  border-radius: 18px;
  display: grid;
  gap: 0.35rem;
}

.metric-item span:first-child {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
}

.metric-item span:last-child {
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.9rem;
}

.material-article {
  display: grid;
  gap: 1.5rem;
}

.material-article table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.material-article table th,
.material-article table td {
  border: 1px solid rgba(148, 163, 184, 0.35);
  padding: 0.75rem;
  text-align: left;
}

.material-article table thead {
  background: var(--surface-subtle);
  color: var(--gray-900);
  font-weight: 600;
}

.material-article > ul,
.material-article > ol {
  padding-left: 1.5rem;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.material-article ul ul,
.material-article ol ol {
  margin-top: 0.5rem;
}

.material-article li {
  color: var(--gray-700);
}

.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-bold { font-weight: 700; }
.text-gray-900,
.text-slate-900 { color: var(--gray-900); }
.text-gray-800,
.text-slate-800 { color: var(--gray-800); }
.text-gray-700,
.text-slate-700 { color: var(--gray-700); }
.text-gray-600,
.text-slate-600 { color: var(--gray-600); }
.text-gray-500,
.text-slate-500 { color: var(--gray-500); }
.text-gray-400,
.text-slate-400 { color: var(--text-muted); }
.text-sm { font-size: 0.875rem; line-height: 1.6; }
.text-base { font-size: 1rem; line-height: 1.7; }
.text-lg { font-size: 1.125rem; line-height: 1.7; }
.text-xl { font-size: 1.25rem; line-height: 1.6; }
.leading-relaxed { line-height: 1.75; }
.uppercase { text-transform: uppercase; letter-spacing: 0.08em; }

.space-y-1 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.25rem; }
.space-y-2 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.5rem; }
.space-y-3 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.75rem; }
.space-y-4 > :not([hidden]) ~ :not([hidden]) { margin-top: 1rem; }
.space-y-6 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.5rem; }
.space-y-8 > :not([hidden]) ~ :not([hidden]) { margin-top: 2rem; }

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.mt-12 { margin-top: 3rem; }

.border { border: 1px solid rgba(148, 163, 184, 0.2); }
.border-dashed { border-style: dashed; }
.rounded-lg { border-radius: 16px; }
.rounded-xl { border-radius: 24px; }
.rounded-2xl { border-radius: 32px; }
.bg-surface { background: var(--surface-card); }
.bg-muted { background: var(--surface-subtle); }
.shadow { box-shadow: var(--shadow-lg); }
.text-balance { text-wrap: balance; }

body.nav-locked {
  overflow: hidden;
}

@media (max-width: 1024px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .unified-header.has-nav-js .nav-section {
    position: fixed;
    top: clamp(72px, 10vw, 96px);
    right: 1.5rem;
    left: 1.5rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    background: rgba(15, 23, 42, 0.92);
    border-radius: 24px;
    padding: clamp(1.25rem, 4vw, 1.75rem);
    backdrop-filter: blur(30px);
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.5);
    z-index: 20;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

  .unified-header.has-nav-js.is-menu-open .nav-section {
    display: flex;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .language-dropdown {
    width: 100%;
  }

  .language-dropdown__toggle {
    width: 100%;
    justify-content: space-between;
  }

  .language-dropdown__menu {
    position: static;
    width: 100%;
    margin-top: 0.35rem;
    box-shadow: none;
  }

  .language-dropdown {
    width: 100%;
  }

  .language-dropdown__toggle {
    width: 100%;
    justify-content: space-between;
  }

  .language-dropdown__menu {
    position: static;
    width: 100%;
    margin-top: 0.35rem;
    box-shadow: none;
  }

  .unified-header.has-nav-js .unified-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .unified-header.has-nav-js .unified-nav__list a {
    justify-content: flex-start;
    padding: 0.85rem 1rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
  }

  .unified-header.has-nav-js .nav-action-group {
    flex-direction: column;
    align-items: stretch;
  }

  .unified-header.has-nav-js .language-dropdown,
  .unified-header.has-nav-js .nav-cta {
    width: 100%;
    justify-content: center;
  }

  .unified-header.has-nav-js .language-dropdown {
    flex-direction: column;
    align-items: stretch;
  }

  .unified-header.has-nav-js .language-select {
    width: 100%;
  }

  .unified-header.has-nav-js .language-dropdown__chevron {
    right: 1rem;
  }

  .header-nav-overlay {
    display: none;
  }

  .unified-header.has-nav-js .header-nav-overlay {
    position: fixed;
    inset: 0;
    display: block;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(2px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    z-index: 15;
  }

  .unified-header.has-nav-js.is-menu-open .header-nav-overlay {
    opacity: 1;
    visibility: visible;
  }
}

@media (max-width: 768px) {
  .site-wrapper {
    width: min(720px, 100% - 1.5rem);
    padding-block: clamp(1.5rem, 6vw, 3rem);
    gap: clamp(1rem, 4vw, 2rem);
  }

  .home-content {
    padding: clamp(1.5rem, 6vw, 3rem);
  }

  .hero-grid {
    padding: clamp(1.75rem, 8vw, 2.5rem);
  }

  .commercial-value-bar .main-container {
    justify-content: center;
  }

  .value-prop-card {
    flex-direction: column;
    align-items: flex-start;
  }
}


.site-wrapper {
  width: min(1200px, 100% - 3rem);
  margin-inline: auto;
  padding-block: clamp(2rem, 4vw, 4rem);
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.home-shell {
  width: 100%;
  margin: 0;
  padding: clamp(2.5rem, 5vw, 4.5rem) 0;
  background: var(--surface-default);
}

.surface-card {
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--surface-border);
  padding: clamp(1.75rem, 3vw, 2.75rem);
  box-shadow: var(--shadow-sm);
}

.surface--elevated {
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--surface-border);
  box-shadow: var(--shadow-sm);
}

.hero {
  display: grid;
  gap: 2rem;
}

.hero__content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0.35rem 0 1rem;
}

.meta-label {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.cta-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: linear-gradient(125deg, var(--brand-primary), var(--brand-secondary));
  color: #fff;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 32px rgba(11, 34, 77, 0.25);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: var(--brand-accent-soft);
  color: var(--brand-accent);
  border: 1px solid rgba(255, 139, 61, 0.25);
  text-decoration: none;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

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

.product-meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.65rem;
}

.hero__meta dl {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  margin: 0;
}

a {
  color: var(--brand-primary);
  text-decoration: none;
}

a:hover {
  color: var(--brand-accent);
  text-decoration: underline;
}

p {
  color: var(--gray-600);
  line-height: 1.7;
}

h1, h2, h3, h4, h5 {
  color: var(--gray-900);
  margin: 0 0 var(--space-3);
}


.hero__meta dt {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.hero__meta dd {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 600;
}

.related-card-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.related-card {
  display: block;
  padding: 1rem;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.24);
  text-decoration: none;
  color: inherit;
}

.related-card__title {
  font-weight: 600;
}

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

/* --------------------------------------------------------------------------- */
/* Home content overrides                                                      */
/* --------------------------------------------------------------------------- */

.home-content {
  background: var(--surface-card);
  border-radius: var(--radius-xxl);
  box-shadow: var(--shadow-lg);
  padding: clamp(2rem, 4vw, 3.5rem);
  display: grid;
  gap: var(--space-10);
  width: min(1200px, 100% - 3rem);
  margin-inline: auto;
}

.home-content .main-container {
  width: min(1100px, 100%);
  margin-inline: auto;
}

.home-content section {
  display: block;
}

.skip-link {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand-primary);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  z-index: 999;
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
}

.commercial-value-bar {
  background: linear-gradient(90deg, rgba(37, 99, 235, 0.12), rgba(14, 165, 233, 0.12));
  border-radius: var(--radius-xl);
  padding: 0.85rem var(--space-4);
  margin-bottom: var(--space-4);
  color: var(--gray-700);
  font-weight: 600;
}

.unified-header {
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(148, 163, 184, 0.18);
  padding: var(--space-4);
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 1rem;
  z-index: 10;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.logo-section {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.site-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.12);
  color: var(--brand-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.site-title {
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--text-primary);
  text-decoration: none;
}

.mobile-menu-toggle {
  display: none;
}

.unified-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.unified-nav a {
  text-decoration: none;
  color: var(--gray-600);
  font-weight: 600;
  transition: color 0.2s ease;
}

.unified-nav br {
  display: none;
}

.unified-nav a + a {
  margin-left: var(--space-3);
}

.unified-nav a:hover {
  color: var(--brand-primary);
}

.nav-quote-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  background: var(--brand-primary);
  color: #fff !important;
  font-weight: 600;
}

.enhanced-hero {
  background: linear-gradient(135deg, #111827, #1f2937);
  color: #fff;
  border-radius: var(--radius-xxl);
  padding: clamp(2rem, 6vw, 4rem);
  box-shadow: var(--shadow-lg);
}

.hero-container {
  display: grid;
  gap: var(--space-8);
}

.hero-grid {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  align-items: start;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.2);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #22d3ee;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  line-height: 1.1;
  margin-bottom: var(--space-4);
}

.hero-gradient-text {
  background: linear-gradient(135deg, #38bdf8, #818cf8);
  -webkit-background-clip: text;
  color: transparent;
}

.hero-subtitle {
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  font-size: 1.05rem;
}

.value-props-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-3);
  margin: var(--space-6) 0;
}

.value-prop-card {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  padding: var(--space-3);
  border-radius: var(--radius-xl);
  background: rgba(15, 23, 42, 0.25);
}

.value-prop-icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.btn-primary-commercial,
.btn-secondary-commercial {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-decoration: none;
  font-size: 1rem;
}

.btn-primary-commercial {
  background: linear-gradient(135deg, var(--brand-primary), var(--accent-sky));
  color: #fff;
  box-shadow: 0 15px 40px rgba(37, 99, 235, 0.35);
}

.btn-secondary-commercial {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary-commercial:hover,
.btn-secondary-commercial:hover {
  transform: translateY(-1px);
}

.hero-search-panel {
  background: rgba(15, 23, 42, 0.35);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: grid;
  gap: var(--space-4);
  border: 1px solid rgba(148, 163, 184, 0.25);
}

.search-panel-title {
  font-size: 1.4rem;
  font-weight: 700;
}

.search-mode-tabs {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.search-tab {
  flex: 1 1 120px;
  padding: 0.75rem 0.85rem;
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(15, 23, 42, 0.25);
  color: #e2e8f0;
  font-weight: 600;
  cursor: pointer;
}

.search-tab.active {
  background: #fff;
  color: var(--text-primary);
}

.search-mode {
  display: grid;
  gap: var(--space-3);
}

.search-input {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border-radius: 14px;
  border: none;
  font-size: 1rem;
}

.search-button {
  margin-top: var(--space-3);
  width: 100%;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: none;
  background: var(--brand-primary);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.performance-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.metric-card {
  text-align: center;
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: rgba(15, 23, 42, 0.25);
}

.metric-value {
  font-size: 1.75rem;
  font-weight: 700;
}

.metric-label {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
}

.trust-indicators {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.trust-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-xl);
  background: #fff;
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: var(--shadow-lg);
}

.trust-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}

.quick-access {
  position: sticky;
  top: 96px;
  background: rgba(15, 23, 42, 0.05);
  border-radius: var(--radius-xl);
  padding: var(--space-3);
  margin-bottom: var(--space-6);
}

.quick-access-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--gray-600);
}

.quick-access-list {
  list-style: none;
  padding: 0;
  margin: var(--space-2) 0 0;
  display: grid;
  gap: var(--space-2);
}

.quick-access-link {
  text-decoration: none;
  color: var(--gray-600);
  font-size: 0.95rem;
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
}

.services-section,
.industrial-section,
.manufacturing-section,
.quote-section,
.capabilities-section {
  display: grid;
  gap: var(--space-6);
}

.services-grid,
.quote-grid,
.capability-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
}

.service-card,
.quote-card,
.capability-card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.price-display {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--brand-primary);
}

.price-range {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(37, 99, 235, 0.1);
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
  font-weight: 600;
  color: var(--brand-primary);
}

.quote-card .quote-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.25rem;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--quote-orange), #fb7185);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-4);
}

.process-step {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: var(--shadow-lg);
}

.page-nav {
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  background: #fff;
  box-shadow: var(--shadow-lg);
}

.page-nav-title {
  margin-top: 0;
  font-size: 1rem;
  color: var(--gray-700);
  font-weight: 700;
}

.page-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-nav-link {
  text-decoration: none;
  color: var(--gray-600);
  font-weight: 600;
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--brand-primary);
  text-decoration: none;
  font-weight: 600;
}

.unified-footer {
  background: var(--surface-card);
  border-radius: var(--radius-xxl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(148, 163, 184, 0.15);
  display: grid;
  gap: var(--space-6);
}

.footer-container {
  display: grid;
  gap: var(--space-6);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
}

.footer-column h4 {
  margin-top: 0;
  font-size: 1rem;
  color: var(--gray-800);
}

.footer-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.footer-column a {
  text-decoration: none;
  color: var(--gray-600);
}

.footer-bottom {
  text-align: center;
  font-size: 0.9rem;
  color: var(--gray-500);
}

@media (max-width: 960px) {
  .unified-nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: inline-flex;
    flex-direction: column;
    gap: 4px;
    border: none;
    background: rgba(15, 23, 42, 0.08);
    padding: 0.65rem;
    border-radius: 12px;
  }

  .hamburger-line {
    width: 22px;
    height: 2px;
    background: var(--gray-700);
  }

  .home-content {
    padding: var(--space-6);
  }
}


/* --- Unified professional layout helpers --- */
.main-container {
  width: min(1200px, 100% - 3rem);
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 3vw, 2.5rem);
}

.page-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(30, 58, 138, 0.08), rgba(8, 145, 178, 0.08));
  border-radius: var(--radius-2xl);
  padding: clamp(3rem, 5vw, 5rem) 0;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  overflow: hidden;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230f172a' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
  opacity: 0.4;
  pointer-events: none;
}

.hero-container {
  position: relative;
  z-index: 1;
  width: min(1100px, 100% - 3rem);
  margin-inline: auto;
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  font-size: 0.95rem;
  color: var(--gray-500);
}

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

.breadcrumb a:hover {
  color: var(--brand-primary);
  text-decoration: underline;
}

.hero-title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin: 0;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--gray-600);
  max-width: 900px;
  line-height: 1.75;
}

.feature-grid,
.content-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.content-card {
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(148, 163, 184, 0.16);
  box-shadow: var(--shadow-lg);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  display: grid;
  gap: var(--space-4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.content-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2xl);
}

.content-card.text-center {
  text-align: center;
}

.card-header {
  display: grid;
  gap: var(--space-3);
  justify-items: center;
}

.card-icon {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-lg);
  background: rgba(37, 99, 235, 0.1);
  color: var(--brand-primary);
  font-size: 2rem;
}

.card-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.btn,
button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(125deg, var(--brand-primary), var(--brand-secondary));
  color: #fff;
  box-shadow: 0 12px 26px rgba(12, 35, 64, 0.18);
}

.btn-secondary {
  background: rgba(20, 63, 138, 0.07);
  color: var(--brand-primary);
  border: 1px solid rgba(20, 63, 138, 0.2);
}

.btn:hover,
button.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(12, 35, 64, 0.2);
}

.text-center {
  text-align: center;
}

.as568-specs-bar {
  background: var(--surface-card);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: 0 22px 45px -32px rgba(15, 23, 42, 0.22);
  padding: var(--space-4) 0;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.specs-container {
  width: min(1200px, 100% - 3rem);
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  justify-content: center;
}

.spec-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid rgba(148, 163, 184, 0.24);
  background: rgba(15, 23, 42, 0.04);
}

.spec-badge.standard {
  border-color: rgba(29, 78, 216, 0.3);
  color: var(--as568-engineering-blue);
  background: rgba(29, 78, 216, 0.12);
}

.spec-badge.dimension {
  border-color: rgba(234, 88, 12, 0.28);
  color: var(--as568-dimension-orange);
  background: rgba(234, 88, 12, 0.12);
}

.spec-badge.tolerance {
  border-color: rgba(124, 58, 237, 0.28);
  color: var(--as568-tolerance-purple);
  background: rgba(124, 58, 237, 0.12);
}

.spec-badge.measurement {
  border-color: rgba(8, 145, 178, 0.28);
  color: var(--as568-measurement-cyan);
  background: rgba(8, 145, 178, 0.12);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.data-table th,
.data-table td {
  padding: 0.9rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.data-table thead {
  background: rgba(15, 23, 42, 0.03);
  font-weight: 600;
}

.contact-hero {
  background: var(--surface-card);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  padding: clamp(3rem, 6vw, 5rem) 0;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.contact-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.contact-method,
.response-card {
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(148, 163, 184, 0.18);
  box-shadow: var(--shadow-lg);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: grid;
  gap: var(--space-3);
}

.contact-icon {
  font-size: 2rem;
  color: var(--brand-primary);
}

.contact-form {
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(148, 163, 184, 0.16);
  box-shadow: var(--shadow-lg);
  padding: clamp(2rem, 4vw, 3rem);
  display: grid;
  gap: var(--space-4);
}

.form-group {
  display: grid;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.32);
  padding: 0.75rem 1rem;
  font: inherit;
  color: var(--text-primary);
  background: rgba(248, 250, 252, 0.9);
}

.submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--brand-primary), var(--accent-orange));
  color: #fff;
  border: none;
  border-radius: var(--radius-lg);
  padding: 0.85rem 1.75rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2xl);
}

.article-header {
  text-align: center;
  margin-bottom: clamp(2rem, 5vw, 3rem);
}

.article-meta {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  color: var(--gray-500);
  font-size: 0.95rem;
  flex-wrap: wrap;
}

.article-content {
  background: var(--surface-card);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(148, 163, 184, 0.18);
  box-shadow: var(--shadow-lg);
  padding: clamp(2rem, 4vw, 3rem);
  line-height: 1.8;
}

.article-cta {
  margin-top: clamp(2rem, 4vw, 3rem);
  background: linear-gradient(135deg, var(--brand-primary), var(--accent-sky));
  color: #fff;
  border-radius: var(--radius-xl);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  display: grid;
  gap: var(--space-3);
  text-align: center;
}

.blog-article .entry-content > * + * {
  margin-top: var(--space-4);
}

.grid {
  display: grid;
  gap: var(--space-4);
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.mb-30 {
  margin-bottom: 1.875rem;
}

.py-20 {
  padding-block: 5rem;
}

@media (max-width: 960px) {
  .header-container {
    flex-wrap: wrap;
    gap: var(--space-4);
  }

  .nav-section {
    width: 100%;
  }

  .unified-nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
  }

  .specs-container {
    justify-content: flex-start;
  }

  .contact-grid,
  .content-grid,
  .feature-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
}

/* === Homepage 2025 Header & Search === */
.site-header {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  z-index: 30;
}

.site-header .header-container {
  width: min(1280px, 100% - 3rem);
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 0;
}

.site-header .brand-cluster {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.site-header .mobile-menu-toggle {
  display: none;
  background: none;
  border: 0;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  font-weight: 600;
}

.site-nav a {
  color: var(--text-secondary);
  text-decoration: none;
}

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

.nav-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-header__phone {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  font-weight: 600;
  color: var(--text-primary);
}

.site-header__phone a {
  color: inherit;
  text-decoration: none;
}

.language-switch {
  display: inline-flex;
  border: 1px solid rgba(15, 23, 42, 0.15);
  border-radius: 999px;
  overflow: hidden;
}

.language-switch a {
  padding: 0.35rem 0.9rem;
  text-decoration: none;
  font-weight: 600;
  color: var(--text-secondary);
}

.language-switch a.is-active {
  background: var(--brand-primary);
  color: #fff;
}

.header-icon-btn {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.15);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.1rem;
}

.global-search {
  background: #f0f2f8;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.global-search__inner {
  width: min(1100px, 100% - 3rem);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
}

.global-search__inner span {
  font-size: 1.2rem;
  color: var(--text-muted);
}

.global-search__inner input {
  width: 100%;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 999px;
  padding: 0.65rem 1.2rem;
  background: #fff;
  font-size: 0.95rem;
}

@media (max-width: 1024px) {
  .site-header .header-container {
    grid-template-columns: 1fr auto;
  }

  .site-header .mobile-menu-toggle {
    display: inline-flex;
    justify-self: end;
  }

  .nav-section {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.9);
    color: #fff;
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    gap: 2rem;
  }

  .nav-section[aria-hidden="true"] {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
  }

  .nav-section[aria-hidden="false"] {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav ul {
    flex-direction: column;
    gap: 1rem;
  }

  .site-nav a {
    color: #fff;
  }

  .site-header__actions {
    flex-direction: column;
    align-items: flex-start;
    color: #fff;
  }

  .unified-header.is-menu-open .site-header__phone a {
    color: #fff;
  }

  .unified-header.is-menu-open .language-switch {
    border-color: rgba(255, 255, 255, 0.4);
  }

  .unified-header.is-menu-open .language-switch a {
    color: #fff;
  }

  .unified-header.is-menu-open .language-switch a.is-active {
    background: rgba(255, 255, 255, 0.15);
  }

  .unified-header.is-menu-open .header-icon-btn {
    border-color: rgba(255, 255, 255, 0.4);
    color: #fff;
  }
}

/* clickable card arrow hint */
.card-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--brand-accent, #ff8b3d);
  margin-top: 0.35rem;
}

.product-range__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6, 1.5rem);
  max-width: 1000px;
  margin: 0 auto;
}

.range-card {
  border: 1px solid var(--surface-border, rgba(9, 30, 66, 0.08));
  border-radius: var(--radius-md, 14px);
  padding: 1.4rem;
  background: var(--surface-card, #fff);
  box-shadow: var(--shadow-sm, 0 6px 16px rgba(8, 24, 56, 0.08));
  display: grid;
  gap: 0.5rem;
  position: relative;
}

.range-card h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1rem;
}

.range-card p {
  margin: 0;
  color: var(--text-secondary, #475569);
  line-height: 1.6;
}

.range-card::before {
  content: '';
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand-primary, #143f8a), var(--brand-accent, #ff8b3d));
  position: absolute;
  top: 18px;
  right: 18px;
  opacity: 0.75;
}

/* Material article */
.material-article {
  max-width: 900px;
  margin: 0 auto var(--space-10, 2.5rem);
  display: grid;
  gap: var(--space-6, 1.5rem);
}

.material-article .material-sections {
  display: grid;
  gap: var(--space-5, 1.25rem);
}

.material-toc {
  border: 1px solid var(--surface-border, rgba(9, 30, 66, 0.08));
  border-radius: var(--radius-md, 14px);
  padding: 1rem 1.25rem;
  background: #fff;
  box-shadow: var(--shadow-sm, 0 6px 16px rgba(8, 24, 56, 0.08));
}

.material-toc h2 {
  margin: 0 0 0.5rem 0;
  font-size: 1rem;
}

.material-toc ol {
  margin: 0;
  padding-left: 1.25rem;
  line-height: 1.6;
  color: var(--text-secondary, #475569);
}

.material-article h1 {
  margin: 0 0 0.5rem 0;
}

.material-article p {
  margin: 0.4rem 0 0;
  color: var(--text-secondary, #475569);
}

.material-article .material-block {
  padding: 1.25rem;
  border: 1px solid var(--surface-border, rgba(9, 30, 66, 0.08));
  border-radius: var(--radius-md, 14px);
  background: #fff;
  box-shadow: var(--shadow-sm, 0 6px 16px rgba(8, 24, 56, 0.08));
}

.material-article .material-block h2 {
  margin-top: 0;
  margin-bottom: 0.35rem;
  font-size: 1.1rem;
}

.material-article ul {
  margin: 0.25rem 0 0;
  padding-left: 1.1rem;
  color: var(--text-secondary, #475569);
  line-height: 1.6;
}

.material-article li + li {
  margin-top: 0.25rem;
}

.material-media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
}

.material-media-grid figure {
  margin: 0;
  border-radius: var(--radius-md, 14px);
  overflow: hidden;
  background: #f8f9fb;
  border: 1px solid var(--surface-border, rgba(9, 30, 66, 0.08));
}

.material-media-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.material-cta .cta-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.stat-strip {
  background: #0f1b33;
  border-radius: var(--radius-xl, 24px);
  padding: 2.5rem;
  color: #fff;
  box-shadow: var(--shadow-md, 0 14px 28px rgba(8, 24, 56, 0.09));
}

.stat-strip .section-heading {
  margin-bottom: var(--space-5, 1.25rem);
  color: #fff;
}

.stat-strip .section-heading h2,
.stat-strip .section-heading p,
.stat-strip .section-heading .eyebrow {
  color: #fff;
}

.stat-strip__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
}

.stat-strip__item h3 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
  color: #fff;
}

.stat-strip__item p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
}

.resource-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
  text-decoration: none;
  color: inherit;
}

.resource-card:hover .card-arrow,
a.material-panel:hover .card-arrow,
a.kit-card:hover .card-arrow,
.industry-card:hover .card-arrow {
  transform: translateX(4px);
  transition: transform 0.15s ease;
}