@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ==========================================
   DESIGN SYSTEM & VARIABLES
   ========================================== */
:root {
  --font-primary: 'Inter', sans-serif;
  --font-heading: 'Outfit', sans-serif;

  /* Clinical Color Palette */
  --color-primary: #0f172a;       /* Deep slate navy */
  --color-primary-light: #1e293b; /* Medium slate navy */
  --color-secondary: #0d9488;     /* Clinical teal */
  --color-secondary-hover: #0f766e;
  --color-accent: #06b6d4;        /* Biotech cyan */
  --color-accent-light: #ecfeff;  /* Soft cyan tint */
  --color-text-main: #334155;     /* Slate dark text */
  --color-text-muted: #64748b;    /* Slate muted text */
  --color-bg-light: #f8fafc;      /* Medical grey */
  --color-bg-alt: #f1f5f9;        /* Slightly darker grey */
  --color-border: #e2e8f0;        /* Sleek borders */
  --color-white: #ffffff;
  --color-success: #10b981;       /* Active diagnostics green */
  --color-success-bg: #ecfdf5;

  /* Layout and Spacing */
  --max-width: 1280px;
  --header-height: 80px;
  --top-bar-height: 40px;

  /* Shadows and Borders */
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 20px 0 rgba(13, 148, 136, 0.15);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.25;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg-light);
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* ==========================================
   REUSABLE UTILITIES
   ========================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 56px 0;
}

.section-bg {
  background-color: var(--color-bg-light);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 35px auto;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-secondary);
  background-color: var(--color-accent-light);
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 12px;
  border: 1px solid rgba(13, 148, 136, 0.15);
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 16px;
  color: var(--color-primary);
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: var(--transition-normal);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--color-secondary);
  color: var(--color-white);
  box-shadow: 0 4px 10px rgba(13, 148, 136, 0.2);
}

.btn-primary:hover {
  background-color: var(--color-secondary-hover);
  box-shadow: 0 6px 15px rgba(13, 148, 136, 0.3);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-border);
  color: var(--color-primary);
}

.btn-outline:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  background-color: var(--color-bg-light);
  transform: translateY(-1px);
}

.btn-text {
  background: transparent;
  color: var(--color-secondary);
  padding: 0;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-text:hover {
  color: var(--color-secondary-hover);
}

/* ==========================================
   TOP INFO BAR
   ========================================== */
.top-bar {
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 0.85rem;
  height: var(--top-bar-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  width: 100%;
  align-items: center;
}

.top-bar-info {
  display: flex;
  gap: 24px;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.info-item svg {
  width: 14px;
  height: 14px;
  stroke: var(--color-accent);
}

.top-bar-socials {
  display: flex;
  gap: 16px;
  color: rgba(255, 255, 255, 0.6);
}

.top-bar-socials a:hover {
  color: var(--color-accent);
}

/* ==========================================
   NAVIGATION HEADER
   ========================================== */
.header {
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  height: var(--header-height);
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-normal);
}

.header.scrolled {
  height: 70px;
  box-shadow: var(--shadow-md);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

/* Clean Technical Logo */
.logo {
  display: flex;
  align-items: center;
}

.logo-image {
  height: 52px;
  width: auto;
  display: block;
  object-fit: contain;
  transition: var(--transition-normal);
}

.logo-image:hover {
  transform: scale(1.02);
}

.header.scrolled .logo-image {
  height: 44px;
}

/* Nav Menu Links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text-main);
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-secondary);
  transition: var(--transition-normal);
}

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

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active {
  color: var(--color-secondary);
}

.nav-link.active::after {
  width: 100%;
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  margin: 5px 0;
  transition: var(--transition-normal);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
  background-color: var(--color-white);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 40px;
}

.hero-content {
  max-width: 620px;
  z-index: 2;
}

.hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-secondary);
  background-color: var(--color-accent-light);
  padding: 6px 12px;
  border-radius: 50px;
  margin-bottom: 20px;
  border: 1px solid rgba(13, 148, 136, 0.12);
}

.hero-tagline svg {
  width: 14px;
  height: 14px;
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-primary);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-title span {
  color: var(--color-secondary);
  position: relative;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--color-text-main);
  margin-bottom: 35px;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  align-items: center;
}

/* Faded Hero Image Layout */
.hero-image-container {
  position: relative;
  display: flex;
  justify-content: flex-end;
  height: 480px;
  width: 100%;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
}

/* Smooth Fade Gradient Mask on Left Edge */
.hero-image-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.hero-image-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0.6) 20%, rgba(255, 255, 255, 0) 50%);
  z-index: 2;
  pointer-events: none;
}

/* ==========================================
   FEATURE CARDS GRID (Below Hero)
   ========================================== */
.features-container {
  margin-top: -40px;
  margin-bottom: 48px; /* Spacing between features and stats bar */
  position: relative;
  z-index: 10;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background-color: var(--color-white);
  padding: 30px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow), var(--shadow-lg);
  border-color: rgba(13, 148, 136, 0.3);
}

.feature-icon-box {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  background-color: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary);
  margin-bottom: 20px;
  transition: var(--transition-normal);
}

.feature-card:hover .feature-icon-box {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.feature-icon-box svg {
  width: 24px;
  height: 24px;
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.feature-description {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

/* ==========================================
   STATS COUNTERS BAR
   ========================================== */
.stats-bar {
  background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-accent-light) 100%);
  color: var(--color-text-main);
  padding: 36px 0;
  margin-bottom: 48px; /* Spacing between stats bar and about us section */
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  box-shadow: inset 0 1px 0 var(--color-white), var(--shadow-sm);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  width: 100%;
}

@media (min-width: 769px) {
  .stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 15%;
    height: 70%;
    width: 1px;
    background: linear-gradient(to bottom, rgba(226, 232, 240, 0) 0%, rgba(226, 232, 240, 1) 50%, rgba(226, 232, 240, 0) 100%);
  }
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-secondary);
  line-height: 1.1;
  margin-bottom: 6px;
  text-shadow: 0 2px 4px rgba(13, 148, 136, 0.05);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ==========================================
   ABOUT US SECTION
   ========================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.8fr;
  gap: 32px;
  align-items: center;
}

.about-content-left h3 {
  font-size: 1.75rem;
  margin-bottom: 20px;
  color: var(--color-primary);
}

.about-p {
  margin-bottom: 16px;
  color: var(--color-text-main);
  font-size: 1.05rem;
}

.about-bullets {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.bullet-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 500;
}

.bullet-item svg {
  width: 18px;
  height: 18px;
  stroke: var(--color-secondary);
  flex-shrink: 0;
  margin-top: 2px;
}

.about-image-col {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.about-image-wrapper {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  position: relative;
  transition: var(--transition-normal);
}

.about-image-wrapper:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow), var(--shadow-lg);
  border-color: rgba(13, 148, 136, 0.3);
}

.about-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.about-info-right {
  background-color: var(--color-white);
  padding: 30px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.about-info-title {
  font-size: 1.35rem;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--color-bg-light);
  padding-bottom: 10px;
}

.about-info-table {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.info-row {
  display: grid;
  grid-template-columns: 1.2fr 1.8fr;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--color-bg-light);
  padding-bottom: 8px;
}

.info-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.info-label {
  font-weight: 600;
  color: var(--color-primary);
}

.info-value {
  color: var(--color-text-main);
}

/* ==========================================
   DIAGNOSTICS AWARENESS & CONTEXT SECTION
   ========================================== */
.diagnostics-context-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: flex-start;
}

.context-left-col {
  display: flex;
  flex-direction: column;
}

.context-left-col .section-title {
  text-align: left;
  margin-bottom: 16px;
}

.context-left-col .section-subtitle {
  text-align: left;
  margin-bottom: 24px;
}

.context-intro-p {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--color-text-main);
  margin-bottom: 30px;
}

.context-cards-stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.context-card-row {
  background-color: var(--color-white);
  padding: 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  transition: var(--transition-normal);
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.context-card-row:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow), var(--shadow-lg);
  border-color: rgba(13, 148, 136, 0.3);
}

.context-card-row .context-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary);
  flex-shrink: 0;
  transition: var(--transition-normal);
}

.context-card-row:hover .context-card-icon {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.context-card-row .context-card-icon svg {
  width: 22px;
  height: 22px;
}

.context-card-text h4 {
  font-size: 1.15rem;
  margin-bottom: 6px;
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-weight: 700;
}

.context-card-text p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.context-right-col {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.context-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.context-stat-card {
  background: var(--color-white);
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  text-align: center;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: var(--transition-normal);
}

.context-stat-card:hover {
  border-color: rgba(13, 148, 136, 0.3);
  box-shadow: var(--shadow-glow), var(--shadow-md);
  transform: translateY(-3px);
}

.context-stat-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-secondary);
  margin-bottom: 6px;
  line-height: 1.1;
}

.context-stat-lbl {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.3;
}

/* Comparison Methodology Table */
.comparison-container {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 40px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.comparison-title {
  font-size: 1.5rem;
  margin-bottom: 24px;
  text-align: center;
  color: var(--color-primary);
  font-family: var(--font-heading);
  position: relative;
  padding-bottom: 12px;
}

.comparison-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background-color: var(--color-secondary);
  border-radius: 2px;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.comparison-table th {
  background-color: var(--color-bg-light);
  color: var(--color-primary);
  font-weight: 700;
  padding: 16px 20px;
  border-bottom: 2px solid var(--color-border);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.comparison-table td {
  padding: 20px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-main);
  line-height: 1.6;
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.comparison-table tbody tr {
  transition: var(--transition-fast);
}

.comparison-table tbody tr:hover {
  background-color: var(--color-bg-light);
}

.comparison-table td.method-name {
  font-size: 1.05rem;
  color: var(--color-primary);
  white-space: nowrap;
}

.table-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.tag-rapid {
  background-color: #fef3c7;
  color: #d97706;
  border: 1px solid rgba(217, 119, 6, 0.15);
}

.tag-elisa {
  background-color: #ecfeff;
  color: #0891b2;
  border: 1px solid rgba(8, 145, 178, 0.15);
}

.tag-pcr {
  background-color: #e0f2fe;
  color: #0284c7;
  border: 1px solid rgba(2, 132, 199, 0.15);
}

/* ==========================================
   PRODUCT CATALOG SECTION
   ========================================== */
.catalog-controls {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

/* Tabs */
.tabs-wrapper {
  display: flex;
  gap: 12px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 12px;
  margin-bottom: 16px;
  overflow-x: auto;
  white-space: nowrap;
}

.tab-btn {
  background: none;
  border: 1px solid var(--color-border);
  padding: 10px 20px;
  border-radius: 30px;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: var(--transition-normal);
  font-size: 0.9rem;
}

.tab-btn:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.tab-btn.active {
  background-color: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
  box-shadow: 0 4px 10px rgba(13, 148, 136, 0.15);
}

/* Search and Filters */
.search-filter-bar {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.search-input-wrapper {
  position: relative;
  flex-grow: 1;
  min-width: 250px;
}

.search-input-wrapper svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  stroke: var(--color-text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 12px 16px 12px 42px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-light);
  color: var(--color-text-main);
  transition: var(--transition-fast);
}

.search-input:focus {
  border-color: var(--color-secondary);
  background-color: var(--color-white);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

/* Filter Tags (Species) */
.filter-tags-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.filter-tag {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition-fast);
  color: var(--color-text-main);
  font-weight: 500;
}

.filter-tag:hover {
  background-color: var(--color-bg-alt);
}

.filter-tag.active {
  background-color: var(--color-accent-light);
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  font-weight: 600;
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-secondary);
}

.product-badges {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.badge-brand {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-secondary);
  background-color: var(--color-accent-light);
  padding: 4px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}

.badge-species {
  font-size: 0.75rem;
  font-weight: 600;
  background-color: var(--color-bg-alt);
  color: var(--color-text-main);
  padding: 4px 8px;
  border-radius: 4px;
}

.product-title {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.product-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 14px;
  flex-grow: 1;
}

.product-specs {
  border-top: 1px solid var(--color-bg-light);
  padding-top: 10px;
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.spec-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.spec-item span:last-child {
  font-weight: 600;
  color: var(--color-text-main);
}

.product-action {
  width: 100%;
}

/* Empty State */
.catalog-empty {
  text-align: center;
  padding: 60px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  grid-column: 1 / -1;
  display: none;
}

.catalog-empty svg {
  width: 48px;
  height: 48px;
  stroke: #94a3b8;
  margin-bottom: 16px;
}

/* ==========================================
   TURNKEY LAB SETUP SECTION
   ========================================== */
.lab-setup-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 36px;
  align-items: center;
}

.lab-setup-text h3 {
  font-size: 1.75rem;
  margin-bottom: 20px;
}

.lab-setup-text p {
  font-size: 1.05rem;
  margin-bottom: 24px;
}

.lab-setup-partner {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 24px;
  border-radius: var(--radius-md);
  margin-top: 30px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: var(--shadow-sm);
}

.partner-logo-box {
  font-weight: 800;
  font-size: 1rem;
  color: var(--color-primary);
  background-color: var(--color-bg-alt);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  text-align: center;
  font-family: var(--font-heading);
  white-space: nowrap;
}

.partner-text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.partner-text strong {
  color: var(--color-primary);
  display: block;
  margin-bottom: 4px;
  font-size: 0.95rem;
}

/* Timeline/Workflow Steps */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-left: 20px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background-color: var(--color-border);
}

.timeline-step {
  position: relative;
  padding-left: 20px;
}

.timeline-step::before {
  content: '';
  position: absolute;
  left: -25px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-white);
  border: 2px solid var(--color-secondary);
  transition: var(--transition-normal);
}

.timeline-step:hover::before {
  background-color: var(--color-secondary);
  transform: scale(1.2);
  box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.15);
}

.step-num {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-secondary);
  text-transform: uppercase;
  margin-bottom: 4px;
  letter-spacing: 0.05em;
}

.step-title {
  font-size: 1.1rem;
  margin-bottom: 6px;
  color: var(--color-primary);
}

.step-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ==========================================
   BRANDS SECTION
   ========================================== */
.brands-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.brand-logo-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: var(--transition-normal);
  height: 85px;
}

.brand-logo-card:hover {
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.brand-logo-name {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.brand-logo-origin {
  font-size: 0.65rem;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-top: 4px;
}

/* ==========================================
   CONTACT & INQUIRY FORM SECTION
   ========================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: stretch;
}

.form-wrapper {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 40px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.form-title {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.form-desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 30px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
}

.form-group input, 
.form-group select, 
.form-group textarea {
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-light);
  color: var(--color-text-main);
  transition: var(--transition-fast);
  width: 100%;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
  border-color: var(--color-secondary);
  background-color: var(--color-white);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Feedback message styling */
.form-feedback {
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  display: none;
}

.form-feedback.success {
  display: block;
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

/* Contact Info Column */
.contact-info-col {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.info-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: var(--shadow-sm);
}

.info-card-title {
  font-size: 1.25rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--color-bg-light);
  padding-bottom: 12px;
}

.info-card-title svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-secondary);
}

.info-detail-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.detail-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
}

.detail-item svg {
  width: 18px;
  height: 18px;
  stroke: var(--color-secondary);
  flex-shrink: 0;
  margin-top: 3px;
}

.detail-text strong {
  display: block;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.detail-text a:hover {
  color: var(--color-secondary);
}

/* Map Embed */
.map-card {
  flex-grow: 1;
  overflow: hidden;
  position: relative;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  min-height: 250px;
  box-shadow: var(--shadow-sm);
}

.map-card iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ==========================================
   FOOTER SECTION
   ========================================== */
.footer {
  background-color: #0b0f19; /* Richer deep B2B dark blue */
  color: rgba(255, 255, 255, 0.6);
  padding: 64px 0 30px 0;
  border-top: 4px solid var(--color-secondary); /* Premium teal strip */
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 50px;
  margin-bottom: 40px;
}

/* Footer Logo Styling */
.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.footer-logo-image {
  height: 48px;
  filter: brightness(0) invert(1);
  opacity: 0.9;
  transition: var(--transition-normal);
}

.footer-logo-image:hover {
  opacity: 1;
  transform: scale(1.02);
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: 20px;
  position: relative;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 30px;
  height: 2px;
  background-color: var(--color-secondary);
}

.footer-col p {
  line-height: 1.6;
  margin-bottom: 16px;
}

/* Footer Navigation Links */
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links li {
  margin-bottom: 0;
}

.footer-links li a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
}

.footer-links li a::before {
  content: '→';
  color: var(--color-accent);
  opacity: 0;
  transform: translateX(-6px);
  transition: var(--transition-fast);
  font-size: 0.8rem;
}

.footer-links li a:hover {
  color: var(--color-white);
  transform: translateX(6px);
}

.footer-links li a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

/* Custom Bullet List */
.footer-bullet-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-bullet-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.4;
}

.footer-bullet-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-size: 1.3rem;
  line-height: 1;
  top: -2px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.8rem;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.5);
  transition: var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--color-white);
}

/* ==========================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================== */
@media (max-width: 1024px) {
  .section {
    padding: 50px 0;
  }
  .hero-title {
    font-size: 2.75rem;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-container {
    margin-top: -20px;
    margin-bottom: 32px; /* Responsive spacing */
    padding: 0 1rem;
  }
  .stats-bar {
    margin-bottom: 32px; /* Responsive spacing */
  }
  .about-grid, .lab-setup-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .diagnostics-context-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .brands-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  .section {
    padding: 40px 0;
  }
  .top-bar {
    display: none; /* Hide top bar on mobile to save space */
  }
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 40px;
    gap: 24px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    z-index: 99;
    overflow-y: auto;
  }
  .nav-menu.open {
    left: 0;
  }
  .nav-toggle {
    display: block;
  }
  .nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .hero-content {
    text-align: center;
    max-width: 100%;
  }
  .hero-ctas {
    justify-content: center;
  }
  .hero-image-container {
    height: 320px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  .about-bullets {
    grid-template-columns: 1fr;
  }
  .products-grid {
    grid-template-columns: 1fr;
  }
  .brands-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.25rem;
  }
  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }
  .hero-ctas .btn {
    width: 100%;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .brands-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .context-stats-grid {
    grid-template-columns: 1fr;
  }
  .context-card-row {
    flex-direction: column;
    gap: 12px;
  }
  .comparison-container {
    padding: 24px 16px;
  }
}

/* ==========================================
   MICRO-ANIMATIONS & EFECTS
   ========================================== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

/* ==========================================
   COOKIE CONSENT BANNER & SETTINGS
   ========================================== */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 24px;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  z-index: 999;
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: none; /* Controlled by JS */
  animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideUp {
  from { transform: translateY(120%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.cookie-banner-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.cookie-banner-text {
  flex-grow: 1;
}

.cookie-banner-text strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 6px;
  color: var(--color-accent);
}

.cookie-banner-text p {
  font-size: 0.85rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.85);
}

.cookie-banner-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

/* ==========================================
   LEGAL MODAL OVERLAYS
   ========================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  width: 90%;
  max-width: 550px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}

.modal-overlay.open .modal-card {
  transform: scale(1);
}

.modal-card.modal-large {
  max-width: 800px;
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 1.3rem;
  color: var(--color-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 2rem;
  line-height: 1;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-primary);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex-grow: 1;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background-color: var(--color-bg-light);
}

/* ==========================================
   COOKIE OPTION SWITCHES
   ========================================== */
.cookie-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-bg-alt);
  gap: 20px;
}

.cookie-option:last-child {
  border-bottom: none;
}

.cookie-option-info {
  flex-grow: 1;
}

.cookie-option-info strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.cookie-option-info p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* Toggle Switch Slider */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #cbd5e1;
  transition: .3s;
  border-radius: 24px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

input:checked + .toggle-slider {
  background-color: var(--color-secondary);
}

input:focus + .toggle-slider {
  box-shadow: 0 0 1px var(--color-secondary);
}

input:checked + .toggle-slider:before {
  transform: translateX(20px);
}

/* ==========================================
   POLICY CONTENT TEXT LAYOUT
   ========================================== */
.policy-content {
  line-height: 1.7;
}

.policy-content h4 {
  font-size: 1.05rem;
  color: var(--color-primary);
  margin: 20px 0 8px 0;
}

.policy-content p {
  font-size: 0.9rem;
  color: var(--color-text-main);
  margin-bottom: 12px;
}

.policy-content ul {
  padding-left: 20px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  color: var(--color-text-main);
}

.policy-content li {
  margin-bottom: 6px;
}

/* ==========================================
   RESPONSIVE MODAL MEDIA QUERIES
   ========================================== */
@media (max-width: 768px) {
  .cookie-banner {
    bottom: 0;
    left: 0;
    right: 0;
    border-radius: 0;
    padding: 20px;
  }
  .cookie-banner-content {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }
  .cookie-banner-actions {
    width: 100%;
    justify-content: flex-end;
  }
  .cookie-banner-actions .btn {
    flex-grow: 1;
    text-align: center;
  }
  .modal-card {
    height: 90vh;
    max-height: 90vh;
  }
}