/* ==========================================================================
   Lab Management Services of Texas - Core Style Sheet
   Colors: Deep Navy (#0B1F4B), Royal Blue (#1A3A8F), Gold (#C8972A)
   Typography: Outfit (Headings), Inter (Body)
   ========================================================================== */

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

/* --- Custom Properties (Design System) --- */
:root {
  /* Color Palette */
  --color-navy: #0B1F4B;
  --color-navy-light: #162F65;
  --color-navy-dark: #06112C;
  --color-royal: #1A3A8F;
  --color-royal-light: #2A4FA8;
  --color-gold: #C8972A;
  --color-gold-light: #DFAB3A;
  --color-gold-dark: #A5791E;
  
  --color-bg-light: #F6F8FC;
  --color-bg-white: #FFFFFF;
  --color-text-dark: #1E283C;
  --color-text-muted: #5C6E88;
  --color-text-light: #FFFFFF;
  
  --color-success: #10B981;
  --color-border-glass: rgba(200, 151, 42, 0.15);
  --color-bg-glass: rgba(11, 31, 75, 0.85);

  /* Fonts */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Transitions */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease-out;

  /* Layout Constants */
  --header-height-large: 90px;
  --header-height-small: 65px;
  --max-width-container: 1200px;
  --radius-standard: 12px;
  --radius-large: 24px;
}

/* --- Base & Reset Styles --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-light);
  color: var(--color-text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  /* Geometric Grid Background */
  background-image: 
    radial-gradient(var(--color-border-glass) 1px, transparent 1px),
    radial-gradient(var(--color-border-glass) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: 0 0, 20px 20px;
}

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

p {
  margin-bottom: 1.25rem;
}

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

a:hover {
  color: var(--color-gold);
}

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

/* --- Typography & Utilities --- */
.container {
  width: 100%;
  max-width: var(--max-width-container);
  margin-right: auto;
  margin-left: auto;
  padding-right: 1.5rem;
  padding-left: 1.5rem;
}

.text-center { text-align: center; }
.text-gold { color: var(--color-gold); }
.text-white { color: var(--color-text-light); }
.text-muted { color: var(--color-text-muted); }

.section-padding {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

@media (max-width: 768px) {
  .section-padding {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--color-gold);
  margin: 0.75rem auto 0;
  border-radius: 2px;
}

.section-title.left::after {
  margin: 0.75rem 0 0;
}

/* --- Premium Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 30px;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-navy);
  color: var(--color-text-light);
  border-color: var(--color-navy);
}

.btn-primary:hover {
  background-color: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-navy-dark);
  box-shadow: 0 8px 20px rgba(200, 151, 42, 0.25);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}

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

.btn-gold {
  background-color: var(--color-gold);
  color: var(--color-navy-dark);
  border-color: var(--color-gold);
}

.btn-gold:hover {
  background-color: var(--color-gold-light);
  border-color: var(--color-gold-light);
  box-shadow: 0 8px 20px rgba(200, 151, 42, 0.3);
}

.btn-outline-gold {
  background-color: transparent;
  color: var(--color-gold);
  border-color: var(--color-gold);
}

.btn-outline-gold:hover {
  background-color: var(--color-gold);
  color: var(--color-navy-dark);
  box-shadow: 0 8px 20px rgba(200, 151, 42, 0.25);
}

/* --- Layout Components --- */

/* Top Bar */
.top-bar {
  background-color: var(--color-navy-dark);
  color: var(--color-text-light);
  font-size: 0.8rem;
  border-bottom: 1px solid var(--color-border-glass);
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1001;
}

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

.top-bar-left strong {
  color: var(--color-gold);
}

.top-bar-left a {
  color: var(--color-gold);
  text-decoration: underline;
  margin-left: 0.5rem;
  font-weight: 600;
}

.top-bar-left a:hover {
  color: var(--color-gold-light);
}

.top-bar-right {
  display: flex;
  gap: 1.5rem;
}

.top-bar-right span {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: rgba(255, 255, 255, 0.85);
}

@media (max-width: 768px) {
  .top-bar-right {
    display: none;
  }
  .top-bar-left {
    text-align: center;
    width: 100%;
  }
}

/* Sticky Shrinking Header */
header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height-large);
  background-color: rgba(6, 17, 44, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-glass);
  display: flex;
  align-items: center;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), height 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

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

/* Logo Design */
.logo {
  display: flex;
  align-items: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--color-text-light);
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--color-gold);
  margin-left: 0.15rem;
}

.logo-tagline {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  display: block;
  font-weight: 500;
  margin-top: -2px;
}

/* Navigation Menu */
nav ul {
  display: flex;
  list-style: none;
  gap: 2.25rem;
}

nav a {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-light);
  letter-spacing: 0.02em;
  position: relative;
  padding: 0.5rem 0;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-gold);
  transition: var(--transition-smooth);
}

nav a:hover {
  color: var(--color-gold);
}

nav a:hover::after,
nav li.active a::after {
  width: 100%;
}

nav li.active a {
  color: var(--color-gold);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-nav-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-gold);
  margin: 5px 0;
  transition: var(--transition-smooth);
}

/* Smart Sticky Header Classes */
body.scrolled header {
  height: var(--header-height-small);
  background-color: var(--color-navy-dark);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Slide header up and out of view when scrolling down */
body.scrolled:not(.pinned) header {
  transform: translateY(-100%);
}

/* Slide header down and into view when scrolling up or at top */
body.pinned header {
  transform: translateY(0);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  background: radial-gradient(circle at center, var(--color-navy-light) 0%, var(--color-navy-dark) 100%);
  color: var(--color-text-light);
  padding-top: 6rem;
  padding-bottom: 7rem;
  overflow: hidden;
  border-bottom: 3px solid var(--color-gold);
}

/* Abstract Graphic Accents */
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26, 58, 143, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.75rem;
  color: var(--color-text-light);
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero-content h1 span {
  color: var(--color-gold);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2.25rem;
  font-weight: 300;
  max-width: 580px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item h3 {
  font-size: 2.25rem;
  color: var(--color-gold);
  margin-bottom: 0.25rem;
}

.stat-item p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-bottom: 0;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-large);
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  border: 2px solid var(--color-gold);
  background: var(--color-bg-white);
}

.hero-image-wrapper img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.hero-image-wrapper:hover img {
  transform: scale(1.03);
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  .hero-content h1 {
    font-size: 2.75rem;
  }
  .hero-buttons {
    justify-content: center;
  }
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-stats {
    justify-content: center;
    max-width: 500px;
    margin: 3rem auto 0;
  }
}

/* --- Cards & Features --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.card {
  background-color: var(--color-bg-white);
  padding: 2.5rem 2rem;
  border-radius: var(--radius-standard);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
  border: 1px solid rgba(200, 151, 42, 0.08);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--color-gold);
  transform: scaleY(0);
  transition: var(--transition-smooth);
  transform-origin: bottom;
}

.card:hover {
  box-shadow: 0 20px 50px rgba(11, 31, 75, 0.1);
  border-color: rgba(200, 151, 42, 0.3);
}

.card:hover::before {
  transform: scaleY(1);
}

.card-icon {
  width: 60px;
  height: 60px;
  background-color: rgba(26, 58, 143, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--color-royal);
  font-size: 1.5rem;
}

.card:hover .card-icon {
  background-color: var(--color-navy);
  color: var(--color-gold);
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

/* --- Workflow Steps --- */
.steps-wrapper {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 3.5rem;
  position: relative;
}

.step-card {
  text-align: center;
  position: relative;
}

.step-number {
  width: 50px;
  height: 50px;
  background-color: var(--color-navy);
  color: var(--color-gold);
  border: 2px solid var(--color-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  margin: 0 auto 1.5rem;
  box-shadow: 0 5px 15px rgba(11, 31, 75, 0.2);
}

.step-card h4 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

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

/* Desktop Connecting Lines */
@media (min-width: 992px) {
  .step-card:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 25px;
    left: calc(50% + 25px);
    width: calc(100% - 50px);
    height: 2px;
    background: repeating-linear-gradient(to right, var(--color-gold) 0, var(--color-gold) 5px, transparent 5px, transparent 10px);
    z-index: -1;
  }
}

@media (max-width: 992px) {
  .steps-wrapper {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem 2rem;
  }
}

@media (max-width: 576px) {
  .steps-wrapper {
    grid-template-columns: 1fr;
  }
}

/* --- Interactive Test Menus Portal --- */
.menus-portal {
  background-color: var(--color-bg-white);
  border-radius: var(--radius-large);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-border-glass);
  padding: 3rem;
  margin-top: 3rem;
}

.menus-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  border-bottom: 2px solid rgba(11, 31, 75, 0.06);
  padding-bottom: 1.5rem;
}

.menu-tabs {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.tab-btn {
  background: none;
  border: 1px solid rgba(11, 31, 75, 0.15);
  color: var(--color-text-dark);
  padding: 0.65rem 1.5rem;
  border-radius: 25px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

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

.tab-btn.active {
  background-color: var(--color-navy);
  border-color: var(--color-navy);
  color: var(--color-text-light);
}

.tab-btn.active:hover {
  background-color: var(--color-royal);
}

.search-box {
  position: relative;
  min-width: 280px;
}

.search-box input {
  width: 100%;
  padding: 0.75rem 1.25rem 0.75rem 2.75rem;
  border-radius: 25px;
  border: 1px solid rgba(11, 31, 75, 0.15);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text-dark);
  transition: var(--transition-smooth);
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 10px rgba(200, 151, 42, 0.15);
}

.search-box::before {
  content: '🔍';
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-52%);
  font-size: 0.95rem;
  opacity: 0.5;
}

/* Detail Panels & Grid styling */
.panels-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.panel-detail-card {
  border: 1px solid rgba(11, 31, 75, 0.08);
  border-radius: var(--radius-standard);
  background-color: var(--color-bg-light);
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.01);
  display: flex;
  flex-direction: column;
}

.panel-header-bar {
  background-color: var(--color-navy);
  color: var(--color-text-light);
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-bottom: 2px solid var(--color-gold);
}

.panel-header-bar h3 {
  color: var(--color-text-light);
  font-size: 1.35rem;
  margin-bottom: 0;
}

.panel-tag {
  background-color: var(--color-gold);
  color: var(--color-navy-dark);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 15px;
  text-transform: uppercase;
}

.panel-body-content {
  padding: 2rem;
  background-color: var(--color-bg-white);
  flex-grow: 1;
}

.panel-desc {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.analytes-block-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.75rem;
  margin-bottom: 1.5rem;
}

.analytes-category {
  background-color: #F8FAFD;
  border: 1px solid rgba(11, 31, 75, 0.04);
  border-radius: var(--radius-standard);
  padding: 1.25rem;
}

.analytes-category h4 {
  font-size: 1rem;
  color: var(--color-royal);
  margin-bottom: 0.75rem;
  border-bottom: 1.5px solid rgba(26, 58, 143, 0.15);
  padding-bottom: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.analytes-list {
  list-style: none;
  font-size: 0.85rem;
  color: var(--color-text-dark);
  line-height: 1.6;
}

.analytes-list li {
  margin-bottom: 0.35rem;
  display: flex;
  align-items: flex-start;
}

.analytes-list li::before {
  content: '•';
  color: var(--color-gold);
  font-weight: bold;
  display: inline-block;
  width: 0.8em;
  margin-left: -0.1em;
}

.panel-footer-clinical {
  background-color: #F0F4FA;
  padding: 1.25rem 2rem;
  border-top: 1px solid rgba(11, 31, 75, 0.05);
  font-size: 0.85rem;
  color: var(--color-navy);
}

.panel-footer-clinical strong {
  color: var(--color-royal-light);
  display: block;
  margin-bottom: 0.25rem;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

@media (max-width: 768px) {
  .menus-portal {
    padding: 1.5rem;
  }
  .menus-controls {
    flex-direction: column;
    align-items: stretch;
  }
}

/* --- Native Disclosures (FAQ Accordion) --- */
.faq-list {
  max-width: 800px;
  margin: 3rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

details.disclosure {
  background-color: var(--color-bg-white);
  border: 1px solid rgba(11, 31, 75, 0.08);
  border-radius: var(--radius-standard);
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.01);
  transition: var(--transition-smooth);
}

details.disclosure[open] {
  border-color: var(--color-gold);
  box-shadow: 0 10px 25px rgba(11, 31, 75, 0.04);
}

details.disclosure summary {
  padding: 1.5rem 2rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--color-navy);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  outline: none;
}

/* Hide native arrow */
details.disclosure summary::-webkit-details-marker {
  display: none;
}

details.disclosure summary::after {
  content: '+';
  color: var(--color-gold);
  font-size: 1.5rem;
  font-weight: 400;
  transition: transform 0.3s;
}

details.disclosure[open] summary::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 2rem 1.5rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  border-top: 1px solid rgba(11, 31, 75, 0.04);
  padding-top: 1.25rem;
}

/* --- Forms & Contacts --- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

@media (max-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

.contact-info-block {
  background-color: var(--color-navy);
  color: var(--color-text-light);
  padding: 3rem;
  border-radius: var(--radius-large);
  border: 1px solid var(--color-border-glass);
  box-shadow: 0 15px 35px rgba(11, 31, 75, 0.2);
}

.contact-info-block h3 {
  color: var(--color-text-light);
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.contact-info-block p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.contact-detail-item {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.contact-detail-icon {
  color: var(--color-gold);
  font-size: 1.25rem;
}

.contact-detail-text h4 {
  color: var(--color-text-light);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.contact-detail-text p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* Form Styles */
.form-card {
  background-color: var(--color-bg-white);
  padding: 3rem;
  border-radius: var(--radius-large);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(200, 151, 42, 0.08);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.25rem;
  border: 1.5px solid rgba(11, 31, 75, 0.12);
  border-radius: var(--radius-standard);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text-dark);
  background-color: #FCFDFE;
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-gold);
  background-color: var(--color-bg-white);
  box-shadow: 0 0 12px rgba(200, 151, 42, 0.15);
}

/* Form Validation feedback */
.form-control:user-invalid,
.form-control.is-invalid {
  border-color: #EF4444;
  background-color: #FEF2F2;
}

.form-control:user-valid {
  border-color: var(--color-success);
}

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

.form-success-msg {
  display: none;
  background-color: #ECFDF5;
  border: 1px solid #10B981;
  color: #065F46;
  padding: 1.25rem;
  border-radius: var(--radius-standard);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  text-align: center;
}

.form-error-msg {
  display: none;
  background-color: #FEF2F2;
  border: 1px solid #EF4444;
  color: #991B1B;
  padding: 1.25rem;
  border-radius: var(--radius-standard);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  text-align: center;
}

/* --- Footer --- */
footer {
  background-color: var(--color-navy-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 4.5rem 0 2rem;
  border-top: 4px solid var(--color-gold);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3.5rem;
  margin-bottom: 3.5rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.footer-col h4 {
  color: var(--color-text-light);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

.footer-col h4::after {
  content: '';
  display: block;
  width: 30px;
  height: 2px;
  background-color: var(--color-gold);
  margin-top: 0.5rem;
}

.footer-logo {
  color: var(--color-text-light);
  font-size: 1.5rem;
  font-family: var(--font-heading);
  font-weight: 800;
  margin-bottom: 1rem;
}

.footer-logo span {
  color: var(--color-gold);
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--color-gold);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

/* --- Hero Elements (visible immediately, no JS animation needed) --- */

.hero::after {
  content: '';
  position: absolute;
  bottom: -15%;
  left: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 151, 42, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* --- Scroll Reveal (content visible immediately) --- */

/* --- Section Title Underline (always visible) --- */

/* --- CTA Banner --- */

/* --- Card & Button Hover Transitions (CSS only) --- */
.card-icon {
  transition: background-color 0.3s ease, color 0.3s ease;
}

.card {
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
}

.panel-detail-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.panel-detail-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
}

.btn {
  transition: var(--transition-smooth);
}

.btn:hover {
  transform: translateY(-2px);
}

/* --- Footer Link Hover Transition --- */
.footer-links a {
  transition: color 0.3s ease, padding-left 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- FAQ Accordion Smooth Open --- */
details.disclosure {
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

details.disclosure:hover {
  box-shadow: 0 8px 25px rgba(11, 31, 75, 0.05);
}

/* --- Mobile Nav Overlay --- */
@media (max-width: 768px) {
  .mobile-nav-toggle {
    display: block;
    z-index: 1001;
  }
  
  nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--color-navy-dark);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    padding: 7rem 2.5rem;
    transition: var(--transition-smooth);
    border-left: 1px solid var(--color-border-glass);
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.3);
  }
  
  nav.open {
    right: 0;
  }
  
  nav ul {
    flex-direction: column;
    gap: 2rem;
  }
  
  nav a {
    font-size: 1.15rem;
  }
  
  .mobile-menu-active .mobile-nav-toggle span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }
  
  .mobile-menu-active .mobile-nav-toggle span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-active .mobile-nav-toggle span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

/* --- Detail Card Expander Transitions --- */
.bio-details {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease, margin-top 0.4s ease;
}

.card.bio-expanded .bio-details {
  max-height: 350px; /* High enough to hold detailed bio */
  opacity: 1;
  margin-top: 1rem;
}

.bio-toggle-btn {
  background: none;
  border: 1px solid rgba(26, 58, 143, 0.3);
  color: var(--color-royal);
  padding: 0.45rem 1.35rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 20px;
  cursor: pointer;
  margin-top: 1.25rem;
  transition: var(--transition-smooth);
}

.bio-toggle-btn:hover {
  background-color: var(--color-royal);
  color: var(--color-text-light);
  border-color: var(--color-royal);
}

.card.bio-expanded .bio-toggle-btn {
  background-color: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-navy-dark);
}

.card.bio-expanded .bio-toggle-btn:hover {
  background-color: var(--color-gold-light);
  border-color: var(--color-gold-light);
}

/* --- Hero Geometric Wheel (static decorative) --- */
.hero-decorative-wheel {
  position: absolute;
  top: 5%;
  right: -120px;
  width: 500px;
  height: 500px;
  color: var(--color-gold);
  opacity: 0.07;
  pointer-events: none;
  z-index: 1;
}

@media (max-width: 992px) {
  .hero-decorative-wheel {
    width: 350px;
    height: 350px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    right: auto;
    opacity: 0.04;
  }
}


/* --- Masking Hover Spotlight Animation (Reference style) --- */
.masked {
  position: relative;
  overflow: hidden;
  background-color: var(--color-gold) !important;
  padding: 80px 0 !important;
}

.masked .container {
  position: relative;
  z-index: 2;
}

.masked .inner {
  background-color: white;
  color: var(--color-navy);
  padding: 80px 40px;
  border-radius: var(--radius-standard);
  position: relative;
  box-shadow: var(--shadow-standard);
}

.masked .inner h2 {
  color: var(--color-navy) !important;
}

.masked .inner .content p {
  color: var(--color-navy) !important;
  font-size: 1.35rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.masked .btn-masked-cta {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translate(-50%, 50%);
  z-index: 3;
  min-width: 240px;
  background-color: var(--color-navy);
  color: var(--color-gold);
  border: 2px solid var(--color-navy);
  font-weight: bold;
}

.masked .btn-masked-cta:hover {
  background-color: var(--color-gold);
  color: var(--color-navy);
  border-color: var(--color-gold);
}

.mask {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  overflow: hidden;
  z-index: 1;
  pointer-events: none; /* Make sure mouse events pass through to .masked section */
  
  /* Radial mask gradient */
  mask-image: radial-gradient(circle, black, transparent 50%);
  -webkit-mask-image: radial-gradient(circle, black, transparent 50%);
  mask-repeat: no-repeat;
  -webkit-mask-repeat: no-repeat;
  mask-size: 2000px 2000px;
  -webkit-mask-size: 2000px 2000px;
  mask-position: 240px -700px;
  -webkit-mask-position: 240px -700px;
}

.mask .mask-inner {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: #ECD486; /* Lighter gold color */
  background-image: url("../images/pattern-seamless-use.svg");
  background-size: 1000px 310px;
  background-repeat: repeat;
  background-position: bottom center;
}

@media (max-width: 768px) {
  .masked .inner {
    padding: 40px 20px;
  }
  .mask {
    mask-position: -400px center !important;
    -webkit-mask-position: -400px center !important;
    opacity: 0.5;
  }
  .mask .mask-inner {
    background-size: 666px 203px;
  }
}

/* --- Spectrometer SVG --- */
.hero-image-wrapper svg {
  width: 100%;
  height: 100%;
  max-width: 100%;
  display: block;
  overflow: visible;
}

/* ==========================================================================
   Whimsical Scroll-Driven Animation System
   ========================================================================== */

/* --- Floating Background Particles (static decorative) --- */
.floating-decorations-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

.floating-particle {
  position: absolute;
  pointer-events: none;
  z-index: 1;
}

/* --- Scroll-drawn Section Wave Dividers --- */
.scroll-divider-container {
  width: 100%;
  overflow: visible;
}

.scroll-divider-svg {
  display: block;
  overflow: visible;
  filter: drop-shadow(0px 2px 10px rgba(11, 31, 75, 0.08));
}

.scroll-divider-path-draw {
  stroke-dasharray: 1250;
  stroke-dashoffset: 1250;
  will-change: stroke-dashoffset;
}

@keyframes draw-swoop {
  to {
    stroke-dashoffset: 0;
  }
}

/* Native CSS Scroll-Driven Draw Binding */
@supports ((animation-timeline: view()) and (animation-range: entry)) {
  .scroll-divider-path-draw {
    animation: draw-swoop linear both;
    animation-timeline: view();
    animation-range: entry 0% cover 50%;
  }
}

/* --- Cards & Steps (visible immediately) --- */

/* --- Layout Grid Utility Classes for Mobile Responsiveness --- */
.grid-2-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.grid-how-it-works {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.grid-2-col-compact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.grid-phase-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  align-items: start;
}

/* --- Page Banner Headings --- */
.page-banner-title {
  color: var(--color-text-light);
  font-size: 3rem;
  margin-bottom: 1rem;
}

.page-banner-subtitle {
  max-width: 600px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.15rem;
  font-weight: 300;
}

/* ==========================================================================
   Comprehensive Responsive Overrides
   ========================================================================== */

/* --- Tablet landscape and below (max-width: 992px) --- */
@media (max-width: 992px) {
  .section-title {
    font-size: 2rem;
  }
}

/* --- Tablet portrait and below (max-width: 768px) --- */
@media (max-width: 768px) {
  .floating-decorations-container {
    display: none !important;
  }

  .scroll-divider-container {
    height: 30px !important;
  }

  .scroll-divider-svg {
    top: -15px !important;
    height: 30px !important;
  }

  .grid-2-col {
    grid-template-columns: 1fr !important;
    gap: 2.5rem !important;
  }

  .grid-how-it-works {
    grid-template-columns: 1fr !important;
    gap: 2.5rem !important;
  }

  .hero-content h1 {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: 1.05rem;
  }

  .hero {
    padding-top: 3.5rem;
    padding-bottom: 4rem;
  }

  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }

  .stat-item h3 {
    font-size: 1.65rem;
  }

  .stat-item p {
    font-size: 0.75rem;
  }

  .card-grid {
    grid-template-columns: 1fr !important;
    gap: 1.5rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .page-banner-title {
    font-size: 2.25rem;
  }

  .page-banner-subtitle {
    font-size: 1rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }

  .comp-table {
    font-size: 0.8rem;
  }

  .comp-table th,
  .comp-table td {
    padding: 0.65rem 0.75rem;
  }
}

/* --- Small phones (max-width: 576px) --- */
@media (max-width: 576px) {
  html {
    font-size: 15px;
  }

  .container {
    padding-right: 1rem;
    padding-left: 1rem;
  }

  .grid-2-col-compact {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }

  .grid-phase-item {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
    text-align: center !important;
  }

  .grid-phase-item .step-number {
    margin: 0 auto !important;
  }

  .hero-content h1 {
    font-size: 1.85rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

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

  .hero-buttons .btn {
    width: 100%;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    text-align: center;
  }

  .stat-item h3 {
    font-size: 1.75rem;
  }

  .steps-wrapper {
    grid-template-columns: 1fr !important;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .page-banner-title {
    font-size: 1.75rem;
  }

  .page-banner-subtitle {
    font-size: 0.9rem;
  }

  .masked {
    padding: 40px 0 !important;
  }

  .masked .inner {
    padding: 30px 16px;
  }

  .masked .inner .content p {
    font-size: 1rem;
  }

  .masked .btn-masked-cta {
    min-width: 200px;
    font-size: 0.85rem;
    padding: 0.75rem 1.5rem;
  }

  .contact-grid {
    gap: 2rem;
  }

  .contact-info-block {
    padding: 2rem;
  }

  .form-card {
    padding: 2rem;
  }

  .footer-grid {
    gap: 2rem;
  }

  .comp-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .analytes-block-grid {
    grid-template-columns: 1fr !important;
  }

  .panel-header-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
  }

  .panel-body-content {
    padding: 1.25rem;
  }

  .panel-footer-clinical {
    padding: 1rem 1.25rem;
  }

  .menu-tabs {
    width: 100%;
  }

  .tab-btn {
    flex: 1;
    text-align: center;
    padding: 0.55rem 0.75rem;
    font-size: 0.8rem;
  }

  .search-box {
    min-width: unset;
    width: 100%;
  }
}

/* --- Very small phones (max-width: 400px) --- */
@media (max-width: 400px) {
  .hero-content h1 {
    font-size: 1.6rem;
  }

  .hero {
    padding-top: 2.5rem;
    padding-bottom: 3rem;
  }

  .btn {
    padding: 0.7rem 1.25rem;
    font-size: 0.85rem;
  }

  .top-bar-left {
    font-size: 0.7rem;
  }

  .logo {
    font-size: 1.2rem;
  }

  .logo-tagline {
    font-size: 0.55rem;
  }
}

/* --- Accessibility Policy (prefers-reduced-motion) --- */
@media (prefers-reduced-motion: reduce) {
  .scroll-divider-path-draw {
    animation: none !important;
    stroke-dashoffset: 0 !important;
  }
}