/* ==========================================================================
   Business Tacts International — Exact Theme Stylesheet & RFQ Module
   ========================================================================== */

:root {
  --primary-purple: #5E41A2;
  --primary-purple-hover: #4E338A;
  --secondary-purple: #8667c7;
  --dark-navy: #1D1B24;
  --text-dark: #2C2A36;
  --text-muted: #666475;
  --border-light: #E4E2ED;
  --bg-light: #F8F7FC;
  --bg-white: #FFFFFF;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(94, 65, 162, 0.08);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.12);
  --font-main: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Montserrat', sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  color: var(--text-dark);
  background-color: var(--bg-white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--dark-navy);
  line-height: 1.3;
}

a {
  color: var(--primary-purple);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-purple-hover);
}

.text-purple {
  color: var(--primary-purple);
}

/* Top Bar */
.top-bar {
  background-color: var(--dark-navy);
  color: #FFFFFF;
  font-size: 0.82rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-contact-item {
  color: #D9D7E8;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
}

.top-contact-item:hover {
  color: #FFFFFF;
}

.top-rfq-btn {
  background: var(--primary-purple);
  color: #FFFFFF;
  border: none;
  padding: 4px 14px;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.top-rfq-btn:hover {
  background: var(--secondary-purple);
}

/* Main Navigation Header */
.main-header {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all 0.3s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

.header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.main-logo-img {
  height: 48px;
  width: auto;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  color: var(--dark-navy);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 8px 0;
  position: relative;
}

.nav-link:hover {
  color: var(--primary-purple);
}

.nav-dropdown-wrapper {
  position: relative;
}

.nav-dropdown-wrapper:hover .nav-dropdown {
  display: block;
}

.nav-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  border-radius: 6px;
  min-width: 240px;
  padding: 8px 0;
  z-index: 1100;
}

.nav-dropdown a {
  display: block;
  padding: 10px 18px;
  color: var(--dark-navy);
  font-size: 0.88rem;
  font-weight: 500;
  border-bottom: 1px solid rgba(0,0,0,0.03);
}

.nav-dropdown a:hover {
  background: var(--bg-light);
  color: var(--primary-purple);
}

.caret {
  font-size: 0.75rem;
  margin-left: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-rfq-header {
  background: var(--primary-purple);
  color: #FFFFFF;
  border: none;
  padding: 10px 18px;
  border-radius: 4px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s ease;
}

.btn-rfq-header:hover {
  background: var(--primary-purple-hover);
  transform: translateY(-1px);
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark-navy);
  margin: 5px 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.25s ease;
  border: 1px solid transparent;
}

.btn-primary-solid {
  background: var(--primary-purple);
  color: #FFFFFF;
  border-color: var(--primary-purple);
  padding: 12px 24px;
  font-size: 0.92rem;
}

.btn-primary-solid:hover {
  background: var(--primary-purple-hover);
  border-color: var(--primary-purple-hover);
  color: #FFFFFF;
}

.btn-secondary-outline {
  background: transparent;
  color: var(--primary-purple);
  border-color: var(--primary-purple);
  padding: 12px 24px;
  font-size: 0.92rem;
}

.btn-secondary-outline:hover {
  background: var(--primary-purple);
  color: #FFFFFF;
}

.btn-outline-purple {
  background: transparent;
  color: var(--primary-purple);
  border: 1px solid var(--primary-purple);
  padding: 6px 14px;
  font-size: 0.82rem;
  border-radius: 4px;
}

.btn-outline-purple:hover {
  background: var(--primary-purple);
  color: #FFFFFF;
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.82rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn-full-width {
  width: 100%;
}

/* Hero Section */
.hero-banner-section {
  position: relative;
  background: #191724;
}

.hero-slide-bg {
  background: url('/wp-content/uploads/2025/05/pharma_industrial_manufacturing_solutions-1024x576.jpeg') center center / cover no-repeat;
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(29, 27, 36, 0.92) 0%, rgba(29, 27, 36, 0.75) 50%, rgba(29, 27, 36, 0.4) 100%);
}

.hero-content-box {
  position: relative;
  z-index: 2;
  color: #FFFFFF;
  max-width: 650px;
  padding: 60px 0;
}

.hero-subtitle {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #D9D0EF;
  display: block;
  margin-bottom: 12px;
}

.hero-main-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  color: #FFFFFF;
  margin-bottom: 18px;
}

.hero-description {
  font-size: 1.05rem;
  color: #E6E4F0;
  margin-bottom: 28px;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Category Feature Strip */
.hero-category-strip {
  background: var(--bg-light);
  padding: 30px 0;
  border-bottom: 1px solid var(--border-light);
}

.category-cards-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.cat-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 20px 14px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.cat-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-purple);
  box-shadow: var(--shadow-md);
}

.cat-icon-box {
  width: 70px;
  height: 70px;
  margin-bottom: 12px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cat-icon-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cat-card h3 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--dark-navy);
  margin-bottom: 6px;
  flex-grow: 1;
}

.cat-link-text {
  font-size: 0.78rem;
  color: var(--primary-purple);
  font-weight: 600;
}

/* Statistics Counters */
.stats-counter-section {
  padding: 60px 0;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-light);
}

.stats-flex {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.stat-box {
  border-left: 3px solid var(--primary-purple);
  padding-left: 20px;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--primary-purple);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-text {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark-navy);
  margin-bottom: 8px;
}

.stat-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Sections */
.section {
  padding: 80px 0;
}

.section-badge {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--primary-purple);
  text-transform: uppercase;
  display: block;
  margin-bottom: 10px;
}

.section-title-wrap {
  margin-bottom: 48px;
}

.section-title-wrap.text-center {
  text-align: center;
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* About Company Section */
.about-company-section {
  background: var(--bg-light);
}

.about-flex {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.about-title {
  font-size: 2.1rem;
  margin-bottom: 18px;
}

.about-lead {
  font-size: 1.1rem;
  color: var(--dark-navy);
  font-weight: 500;
  margin-bottom: 14px;
}

.about-paragraph {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.about-cta-row {
  display: flex;
  gap: 14px;
}

.we-offer-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.we-offer-title {
  font-size: 1.4rem;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--primary-purple);
  padding-bottom: 8px;
}

.we-offer-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 20px;
}

.we-offer-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.check-icon {
  color: var(--primary-purple);
  font-weight: 800;
  font-size: 1rem;
}

.we-offer-list strong {
  font-size: 0.88rem;
  color: var(--dark-navy);
  display: block;
}

.we-offer-list p {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Cleanrooms Section */
.cleanroom-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cleanroom-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 30px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all 0.3s;
}

.cleanroom-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-purple);
  box-shadow: var(--shadow-md);
}

.cr-icon {
  font-size: 2.2rem;
  margin-bottom: 14px;
}

.cleanroom-card h4 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.cleanroom-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  flex-grow: 1;
}

.btn-card-rfq {
  background: transparent;
  border: none;
  color: var(--primary-purple);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0;
  text-align: left;
}

.btn-card-rfq:hover {
  color: var(--primary-purple-hover);
}

/* Product Showcase Grid */
.section-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 16px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.product-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all 0.3s;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--secondary-purple);
}

.prod-img-wrap {
  height: 200px;
  overflow: hidden;
  background: var(--bg-light);
}

.prod-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.product-card:hover .prod-img-wrap img {
  transform: scale(1.05);
}

.prod-details {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.prod-details h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.prod-details p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  flex-grow: 1;
}

.prod-actions {
  display: flex;
}

.prod-actions button {
  width: 100%;
}

/* Laboratory Section */
.lab-section {
  background: var(--bg-light);
}

.lab-items-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.lab-box {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 24px 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.lab-img-thumb {
  height: 60px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lab-img-thumb img {
  max-height: 40px;
  max-width: 100%;
}

.lab-box h4 {
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.lab-box p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  flex-grow: 1;
}

/* Exhibitions Banner */
.exhibition-banner-wrap {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  max-height: 380px;
}

.exhibition-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.exhibition-overlay-content {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(0deg, rgba(29, 27, 36, 0.95) 0%, rgba(29, 27, 36, 0.6) 60%, transparent 100%);
  padding: 40px;
  color: #FFFFFF;
}

.exhibition-overlay-content h3 {
  color: #FFFFFF;
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.exhibition-overlay-content p {
  color: #E6E4F0;
  font-size: 1rem;
  margin-bottom: 16px;
}

/* Partners Strip */
.partners-section {
  padding: 60px 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  background: #FFFFFF;
}

.partners-grid-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.partner-logo-item {
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.partner-logo-item img {
  height: 36px;
  width: auto;
  filter: grayscale(80%);
  opacity: 0.85;
  transition: all 0.3s;
}

.partner-logo-item:hover img {
  filter: none;
  opacity: 1;
}

/* News Section */
.news-cards-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.news-item-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.news-thumb img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.news-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.news-date {
  font-size: 0.75rem;
  color: var(--primary-purple);
  font-weight: 700;
  display: block;
  margin-bottom: 6px;
}

.news-content h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.news-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  flex-grow: 1;
}

.news-read-more {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary-purple);
}

/* Contact Section */
.contact-section-wrap {
  background: var(--bg-light);
}

.contact-section-flex {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 48px;
}

.contact-subhead {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.contact-direct-box {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 20px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
}

.contact-direct-box p {
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.locations-box h3 {
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.office-item {
  margin-bottom: 16px;
}

.office-item strong {
  font-size: 0.95rem;
  color: var(--dark-navy);
}

.office-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.rfq-inline-form-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.rfq-inline-form-card h3 {
  font-size: 1.4rem;
  margin-bottom: 4px;
}

.rfq-inline-form-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--dark-navy);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  font-family: var(--font-main);
  font-size: 0.9rem;
  color: var(--dark-navy);
  transition: border-color 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-purple);
}

select.form-input {
  background: #FFFFFF;
  cursor: pointer;
}

.form-status-msg {
  margin-top: 14px;
  padding: 12px;
  border-radius: 4px;
  font-size: 0.88rem;
}

/* Footer */
.site-footer {
  background: var(--dark-navy);
  color: #FFFFFF;
  padding-top: 60px;
}

.footer-content-flex {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
}

.footer-logo-img {
  height: 48px;
  filter: brightness(1.3);
  margin-bottom: 12px;
}

.footer-tagline {
  font-size: 0.88rem;
  color: #B4B0C7;
  max-width: 320px;
}

.footer-col-links h4, .footer-col-rfq h4 {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 16px;
}

.footer-col-links ul {
  list-style: none;
}

.footer-col-links li {
  margin-bottom: 8px;
}

.footer-col-links a {
  color: #B4B0C7;
  font-size: 0.88rem;
}

.footer-col-links a:hover {
  color: #FFFFFF;
}

.footer-col-rfq p {
  font-size: 0.88rem;
  color: #B4B0C7;
  margin-bottom: 14px;
}

.footer-bottom-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  font-size: 0.82rem;
  color: #8C889E;
}

.footer-bottom-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-legal-links {
  display: flex;
  gap: 12px;
}

.footer-legal-links a {
  color: #8C889E;
}

.footer-legal-links a:hover {
  color: #FFFFFF;
}

.footer-copyright strong {
  color: #FFFFFF;
}

/* ==========================================================================
   RFQ Modal Dialog
   ========================================================================== */

.rfq-modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 99999;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.rfq-modal-dialog {
  background: #FFFFFF;
  border-radius: 8px;
  width: 100%;
  max-width: 640px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

.rfq-modal-header {
  background: var(--dark-navy);
  color: #FFFFFF;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.rfq-badge {
  background: var(--primary-purple);
  color: #FFFFFF;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 2px 8px;
  border-radius: 3px;
  display: inline-block;
  margin-bottom: 6px;
}

.rfq-title-box h3 {
  color: #FFFFFF;
  font-size: 1.3rem;
  margin-bottom: 2px;
}

.rfq-title-box p {
  color: #B4B0C7;
  font-size: 0.82rem;
}

.rfq-close-btn {
  background: transparent;
  border: none;
  color: #FFFFFF;
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
}

.rfq-modal-body {
  padding: 24px;
}

.rfq-success-message {
  margin-top: 16px;
  padding: 16px;
  background: #E8F8F0;
  border: 1px solid #10B981;
  border-radius: 6px;
  color: #065F46;
  font-size: 0.9rem;
}

/* Responsive Queries */
@media (max-width: 1024px) {
  .category-cards-grid, .product-grid, .lab-items-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .about-flex, .contact-section-flex, .footer-content-flex {
    grid-template-columns: 1fr;
  }
  .stats-flex {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .main-header {
    height: 70px;
  }
  .nav-menu {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: #FFFFFF;
    flex-direction: column;
    padding: 20px;
    box-shadow: var(--shadow-md);
  }
  .nav-menu.open {
    display: flex;
  }
  .mobile-menu-btn {
    display: block;
  }
  .hero-main-title {
    font-size: 2.3rem;
  }
  .category-cards-grid, .product-grid, .lab-items-grid, .cleanroom-cards-grid, .news-cards-row, .stats-flex {
    grid-template-columns: 1fr;
  }
  .form-row, .we-offer-list {
    grid-template-columns: 1fr;
  }
  .top-bar-left {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

/* RFQ Search & Interactive Elements */
.pulse-dot {
  width: 7px;
  height: 7px;
  background: #FFFFFF;
  border-radius: 50%;
  display: inline-block;
  margin-right: 4px;
  animation: pulseDot 1.5s infinite;
}

@keyframes pulseDot {
  0% { opacity: 0.4; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.2); }
  100% { opacity: 0.4; transform: scale(0.8); }
}

.search-filter-box {
  position: relative;
}

.search-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  max-height: 220px;
  overflow-y: auto;
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  box-shadow: var(--shadow-lg);
  z-index: 10000;
}

.search-item {
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.search-item:hover {
  background: var(--bg-light);
  color: var(--primary-purple);
}

.search-item .item-cat {
  font-size: 0.72rem;
  color: var(--text-muted);
  background: #ECEAF4;
  padding: 2px 6px;
  border-radius: 3px;
}

.btn-whatsapp-rfq {
  background: #25D366;
  color: #FFFFFF;
  border: none;
  padding: 10px 16px;
  border-radius: 4px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-whatsapp-rfq:hover {
  background: #1EBE5D;
  color: #FFFFFF;
  transform: translateY(-1px);
}

/* ==========================================================================
   Human Representative Chat Widget & Dialog Styles
   ========================================================================== */

.rep-float-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
}

.rep-float-btn {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  box-shadow: 0 8px 24px rgba(94, 65, 162, 0.18), 0 2px 6px rgba(0, 0, 0, 0.08);
  padding: 8px 16px 8px 10px;
  border-radius: 30px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.rep-float-btn:hover {
  transform: translateY(-3px) scale(1.02);
  border-color: var(--primary-purple);
  box-shadow: 0 12px 32px rgba(94, 65, 162, 0.25);
}

.rep-avatar-wrap {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  overflow: visible;
}

.rep-avatar-img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary-purple);
}

.rep-online-dot {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 11px;
  height: 11px;
  background: #10B981;
  border: 2px solid #FFFFFF;
  border-radius: 50%;
}

.rep-btn-text {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.rep-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--dark-navy);
  line-height: 1.2;
}

.rep-status {
  font-size: 0.72rem;
  color: #10B981;
  font-weight: 600;
}

/* Chat Dialog Window */
.rep-chat-modal {
  display: none;
  position: fixed;
  bottom: 84px;
  right: 24px;
  width: 390px;
  max-width: calc(100vw - 32px);
  z-index: 10000;
  animation: repChatSlideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes repChatSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.rep-chat-dialog {
  background: #FFFFFF;
  border-radius: 12px;
  border: 1px solid var(--border-light);
  box-shadow: 0 16px 48px rgba(29, 27, 36, 0.22);
  display: flex;
  flex-direction: column;
  height: 520px;
  overflow: hidden;
}

.rep-chat-header {
  background: var(--dark-navy);
  color: #FFFFFF;
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.rep-header-profile {
  display: flex;
  align-items: center;
  gap: 12px;
}

.rep-avatar-large {
  position: relative;
  width: 40px;
  height: 40px;
}

.rep-avatar-large img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #FFFFFF;
}

.rep-online-dot-large {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 10px;
  height: 10px;
  background: #10B981;
  border: 2px solid var(--dark-navy);
  border-radius: 50%;
}

.rep-header-profile h4 {
  color: #FFFFFF;
  font-size: 0.95rem;
  margin: 0;
  line-height: 1.2;
}

.rep-header-sub {
  font-size: 0.72rem;
  color: #B4B0C7;
}

.rep-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.rep-header-wa {
  background: #25D366;
  color: #FFFFFF;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
  text-decoration: none;
}

.rep-header-wa:hover {
  background: #1EBE5D;
  color: #FFFFFF;
}

.rep-chat-close {
  background: transparent;
  border: none;
  color: #FFFFFF;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

.rep-chat-messages {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: #F8F7FC;
}

.rep-msg {
  display: flex;
  flex-direction: column;
}

.rep-msg-bubble {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.85rem;
  line-height: 1.45;
  max-width: 90%;
}

.bot-msg .rep-msg-bubble {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  color: var(--dark-navy);
  align-self: flex-start;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.user-msg .rep-msg-bubble {
  background: var(--primary-purple);
  color: #FFFFFF;
  align-self: flex-end;
}

.rep-chat-suggestions {
  padding: 8px 12px;
  background: #FFFFFF;
  border-top: 1px solid var(--border-light);
  display: flex;
  gap: 6px;
  overflow-x: auto;
  white-space: nowrap;
}

.rep-sug-chip {
  background: #F1EFF8;
  border: 1px solid var(--border-light);
  color: var(--dark-navy);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.rep-sug-chip:hover {
  background: var(--primary-purple);
  color: #FFFFFF;
  border-color: var(--primary-purple);
}

.rep-chat-input-bar {
  padding: 10px 12px;
  background: #FFFFFF;
  border-top: 1px solid var(--border-light);
  display: flex;
  gap: 8px;
  align-items: center;
}

.rep-chat-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border-light);
  border-radius: 20px;
  font-family: var(--font-main);
  font-size: 0.85rem;
  outline: none;
}

.rep-chat-input:focus {
  border-color: var(--primary-purple);
}

.rep-chat-send-btn {
  background: var(--primary-purple);
  color: #FFFFFF;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
}

.rep-chat-send-btn:hover {
  background: var(--primary-purple-hover);
}

/* Vault Link in Header & Top Bar */
.top-vault-btn {
  background: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-right: 8px;
  transition: all 0.2s;
}

.top-vault-btn:hover {
  background: #FFFFFF;
  color: var(--primary-purple);
}

.nav-vault-link .lock-pill {
  background: var(--primary-purple);
  color: #FFFFFF;
  padding: 4px 10px;
  border-radius: 14px;
  font-size: 0.78rem;
  font-weight: 700;
  transition: all 0.2s;
}

.nav-vault-link:hover .lock-pill {
  background: var(--primary-purple-hover);
}