/* SRL Pathology Lab - Performance Optimized & High Converting CSS */
:root {
  --primary: #0b3c5d;
  --primary-hover: #072a42;
  --accent: #008080;
  --accent-light: #e6f4f4;
  --success: #10b981;
  --dark: #0f172a;
  --muted: #475569;
  --light-bg: #f8fafc;
  --card-bg: #ffffff;
  --border-color: #e2e8f0;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.12);
  --radius: 12px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--dark);
  background-color: var(--light-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
}

/* Top Announcement Bar */
.top-bar {
  background: var(--dark);
  color: #fff;
  font-size: 0.85rem;
  padding: 8px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.top-bar-info {
  display: flex;
  gap: 20px;
  align-items: center;
}
.top-bar-info span {
  display: flex;
  align-items: center;
  gap: 6px;
}
.top-bar-cta a {
  color: #38bdf8;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.top-bar-cta a:hover {
  text-decoration: underline;
}

/* Main Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
}
.nav-container {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #0b3c5d, #008080);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: 0 4px 10px rgba(0, 128, 128, 0.3);
}
.brand-text h1 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
  letter-spacing: -0.5px;
}
.brand-text p {
  font-size: 0.72rem;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
  align-items: center;
}
.nav-links a {
  text-decoration: none;
  color: var(--dark);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}
.nav-links a:hover {
  color: var(--accent);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  padding: 10px 20px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(11, 60, 93, 0.25);
}
.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(11, 60, 93, 0.35);
}

.btn-whatsapp {
  background: #25d366;
  color: #fff;
  padding: 10px 20px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.btn-whatsapp:hover {
  background: #1eb956;
  transform: translateY(-2px);
}

.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
  padding: 8px 18px;
  border-radius: 50px;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

/* Mobile Nav Toggle */
.mobile-nav-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--dark);
}

/* Layout Containers */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}
.section {
  padding: 60px 0;
}
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 40px auto;
}
.badge {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 10px;
}
.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.25;
  margin-bottom: 12px;
}
.section-subtitle {
  color: var(--muted);
  font-size: 1rem;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #f0f7ff 0%, #e6f4f4 100%);
  padding: 50px 0 70px 0;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.hero-content {
  z-index: 2;
}
.hero-location-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.9);
  padding: 6px 14px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
  margin-bottom: 16px;
  border: 1px solid rgba(0, 128, 128, 0.2);
}
.hero-title {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1.15;
  margin-bottom: 16px;
}
.hero-title span {
  color: var(--accent);
}
.hero-desc {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 24px;
  line-height: 1.6;
}
.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 30px;
}
.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--dark);
  box-shadow: var(--shadow-sm);
}
.hero-feature-item svg {
  color: var(--success);
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Quick Search Card inside Hero */
.hero-search-card {
  background: #ffffff;
  padding: 24px;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}
.search-box-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.search-input-group {
  position: relative;
  margin-bottom: 16px;
}
.search-input-group input {
  width: 100%;
  padding: 14px 16px 14px 44px;
  border: 2px solid #cbd5e1;
  border-radius: 10px;
  font-size: 1rem;
  transition: var(--transition);
  outline: none;
}
.search-input-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 128, 128, 0.15);
}
.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
}
.popular-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.popular-tag {
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  transition: var(--transition);
}
.popular-tag:hover {
  background: var(--primary);
  color: #fff;
}

.hero-image-wrapper {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero-image-wrapper img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  display: block;
}
.hero-badge-overlay {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  padding: 14px 20px;
  border-radius: 12px;
  display: flex;
  justify-content: space-around;
  text-align: center;
  box-shadow: var(--shadow-md);
}
.overlay-stat h4 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
}
.overlay-stat p {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 600;
}

/* Quick Info / NAP Strip */
.nap-strip {
  background: #ffffff;
  margin-top: -30px;
  position: relative;
  z-index: 10;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  border: 1px solid var(--border-color);
}
.nap-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.nap-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.nap-content h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 2px;
}
.nap-content p {
  font-size: 0.85rem;
  color: var(--muted);
}
.nap-content a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 700;
}

/* Test Catalog Grid */
.test-category-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}
.tab-btn {
  background: #fff;
  border: 1px solid var(--border-color);
  padding: 10px 20px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  color: var(--dark);
}
.tab-btn.active, .tab-btn:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.tests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.test-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  position: relative;
}
.test-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}
.test-tag {
  align-self: flex-start;
  background: #f1f5f9;
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 10px;
}
.test-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}
.test-desc {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 14px;
}
.test-details {
  font-size: 0.8rem;
  color: #64748b;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.test-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px dashed var(--border-color);
}
.test-price {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--dark);
}
.test-price span {
  font-size: 0.75rem;
  color: var(--muted);
  text-decoration: line-through;
  margin-left: 6px;
  font-weight: 500;
}

/* Home Sample Collection Banner */
.home-collection-banner {
  background: linear-gradient(135deg, var(--primary) 0%, #004d40 100%);
  color: #fff;
  border-radius: 20px;
  padding: 40px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 30px;
  align-items: center;
}
.hcb-text h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.2;
}
.hcb-text p {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: 20px;
}
.hcb-bullets {
  list-style: none;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.hcb-bullets li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
}
.hcb-image img {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
}

/* Booking Modal Form */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}
.modal-card {
  background: #fff;
  width: 100%;
  max-width: 500px;
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow-lg);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: #f1f5f9;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-weight: 700;
  color: var(--muted);
}
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--dark);
  margin-bottom: 6px;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}
.form-group input:focus, .form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 128, 128, 0.15);
}

/* Why Choose Us & Trust Badges */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.why-card {
  background: #fff;
  padding: 24px;
  border-radius: 14px;
  border: 1px solid var(--border-color);
  text-align: center;
  transition: var(--transition);
}
.why-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}
.why-icon {
  width: 60px;
  height: 60px;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px auto;
}
.why-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.why-card p {
  font-size: 0.85rem;
  color: var(--muted);
}

/* FAQ Accordion */
.faq-grid {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  padding: 16px 20px;
  text-align: left;
  background: none;
  border: none;
  font-weight: 700;
  font-size: 1rem;
  color: var(--primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}
.faq-answer {
  padding: 0 20px 16px 20px;
  color: var(--muted);
  font-size: 0.92rem;
  display: none;
  line-height: 1.6;
}
.faq-item.open .faq-answer {
  display: block;
}

/* Map & Location Section */
.location-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.location-info {
  padding: 36px;
}
.location-info h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
}
.info-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}
.info-list-item {
  display: flex;
  gap: 12px;
}
.info-list-item svg {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}
.map-frame {
  width: 100%;
  height: 100%;
  min-height: 320px;
  border: none;
}

/* Floating Mobile Call/WhatsApp Bar */
.sticky-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #ffffff;
  padding: 10px 16px;
  box-shadow: 0 -4px 16px rgba(0,0,0,0.12);
  z-index: 1500;
  gap: 10px;
}
.sticky-bottom-bar a {
  flex: 1;
  text-align: center;
  padding: 12px 10px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* Footer */
.footer {
  background: var(--dark);
  color: #94a3b8;
  padding: 50px 0 20px 0;
  font-size: 0.88rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4 {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-col a {
  color: #cbd5e1;
  text-decoration: none;
  transition: var(--transition);
}
.footer-col a:hover {
  color: var(--accent);
}
.footer-bottom {
  border-top: 1px solid #334155;
  padding-top: 20px;
  text-align: center;
  font-size: 0.8rem;
}

/* Responsive Media Queries */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .location-card {
    grid-template-columns: 1fr;
  }
  .home-collection-banner {
    grid-template-columns: 1fr;
    padding: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
  .mobile-nav-btn {
    display: block;
  }
  .sticky-bottom-bar {
    display: flex;
  }
  body {
    padding-bottom: 60px;
  }
}