:root {
  --exec-primary: #1a365d;
  --exec-secondary: #4a5568;
  --exec-accent: #2b6cb0;
  --exec-bg: #f7fafc;
  --exec-surface: #ffffff;
  --exec-text: #2d3748;
  --exec-border: #e2e8f0;
  --font-main: 'Inter', sans-serif;
  --font-mono: 'Fira Code', monospace;
}

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

body {
  font-family: var(--font-main);
  color: var(--exec-text);
  background-color: var(--exec-bg);
  line-height: 1.6;
}

img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

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

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

/* Utility Layout */
.vet-sys-wrapper {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 5%;
}

/* Typography */
h1, h2, h3, h4 {
  color: var(--exec-primary);
  font-weight: 700;
  line-height: 1.2;
}

.mono-sub {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--exec-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-badge-mono {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--exec-primary);
  color: #fff;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

/* Header & Nav */
.clinical-nav-bar {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--exec-border);
  z-index: 1000;
  padding: 1rem 0;
}

.nav-flex-layout {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-mark-svg {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--exec-primary);
}

.nav-anchor-list {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-anchor-list a {
  color: var(--exec-secondary);
  font-weight: 600;
  font-size: 0.9rem;
}

.nav-anchor-list a:hover {
  color: var(--exec-primary);
}

.tech-action-btn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--exec-primary);
  border-radius: 4px;
  background: transparent;
  color: var(--exec-primary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.tech-action-btn:hover {
  background: var(--exec-primary);
  color: #fff;
}

.primary-btn {
  background: var(--exec-primary);
  color: #fff;
}

.primary-btn:hover {
  background: var(--exec-accent);
  border-color: var(--exec-accent);
}

/* Hero Section */
.diag-hero-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  padding-top: 6rem;
  padding-bottom: 6rem;
  align-items: center;
}

.hero-text-module h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.hero-sub-text {
  font-size: 1.1rem;
  color: var(--exec-secondary);
  margin-bottom: 2rem;
  max-width: 90%;
}

.hero-data-point {
  border-left: 3px solid var(--exec-accent);
  padding-left: 1rem;
  margin-bottom: 2.5rem;
}

.data-val {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--exec-primary);
  font-weight: 600;
}

.data-label {
  font-size: 0.85rem;
  color: var(--exec-secondary);
}

.hero-imagery-offset {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.hero-img-1 {
  border-radius: 8px;
  transform: translateY(2rem);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.hero-img-2 {
  border-radius: 8px;
  transform: translateY(-2rem);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

/* Approach Section (Deep Content) */
.clinical-approach-sect {
  padding: 5rem 5%;
  background: var(--exec-surface);
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.02);
  margin-bottom: 4rem;
}

.content-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 1px solid var(--exec-border);
  padding-bottom: 1.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.content-header-flex h2 {
  font-size: 2.2rem;
}

.auth-badge {
  margin-bottom: 0;
  background: var(--exec-secondary);
}

.approach-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 3rem;
  align-items: start;
}

.approach-text p {
  margin-bottom: 1.2rem;
  font-size: 1.05rem;
  color: var(--exec-text);
}

.inline-data-link {
  text-decoration: underline;
  text-decoration-color: var(--exec-accent);
  text-underline-offset: 3px;
  font-weight: 600;
}

.approach-image img {
  border-radius: 8px;
  border: 1px solid var(--exec-border);
}

/* Diagnostics Tabs */
.diag-tabs-container {
  padding: 4rem 5%;
  margin-bottom: 4rem;
}

.section-head-minimal {
  margin-bottom: 3rem;
}

.section-head-minimal h2 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.tab-ui-wrapper {
  display: flex;
  gap: 3rem;
}

.tab-nav-sidebar {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 250px;
}

.tab-trigger-btn {
  text-align: left;
  padding: 1rem 1.5rem;
  background: var(--exec-surface);
  border: 1px solid var(--exec-border);
  border-radius: 6px;
  font-family: var(--font-main);
  font-weight: 600;
  color: var(--exec-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab-trigger-btn:hover {
  border-color: var(--exec-accent);
  color: var(--exec-accent);
}

.tab-trigger-btn.active-tab {
  background: var(--exec-primary);
  color: #fff;
  border-color: var(--exec-primary);
}

.tab-content-area {
  flex-grow: 1;
  background: var(--exec-surface);
  padding: 2.5rem;
  border-radius: 8px;
  border: 1px solid var(--exec-border);
}

.diag-panel-content {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.diag-panel-content.active-panel {
  display: block;
}

.diag-panel-content h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.diag-panel-content p {
  margin-bottom: 1.5rem;
}

.panel-img {
  max-height: 300px;
  border-radius: 6px;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Facility Specs Grid */
.facility-specs-grid {
  padding: 4rem 5%;
  margin-bottom: 5rem;
}

.specs-asymmetric-layout {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 1.5rem;
}

.spec-card-module {
  background: var(--exec-surface);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid var(--exec-border);
  transition: transform 0.2s ease;
}

.spec-card-module:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.spec-card-module h4 {
  font-family: var(--font-mono);
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--exec-accent);
}

.card-tall {
  grid-row: span 2;
}

.card-wide {
  grid-column: span 2;
}

.spec-img-inline {
  margin-top: 1.5rem;
  border-radius: 4px;
  max-height: 200px;
}

/* Feedback Masonry */
.case-studies-sect {
  padding: 4rem 5%;
  background: var(--exec-primary);
  color: #fff;
  border-radius: 12px;
  margin-bottom: 5rem;
}

.case-studies-sect .section-head-minimal h2 {
  color: #fff;
}

.feedback-masonry {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.feedback-card-wrap {
  background: rgba(255,255,255,0.05);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.1);
}

.offset-card {
  transform: translateY(2rem);
}

.quote-text {
  font-size: 1.1rem;
  font-style: italic;
  margin-bottom: 1.5rem;
  color: #e2e8f0;
}

.feedback-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.feedback-author img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid var(--exec-accent);
}

.auth-name {
  display: block;
  font-weight: 700;
}

.auth-title {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #a0aec0;
}

/* Contact Form */
.referral-form-sect {
  padding: 4rem 5%;
  margin-bottom: 5rem;
}

.form-grid-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.form-info-panel h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.form-info-panel p {
  margin-bottom: 2rem;
  color: var(--exec-secondary);
}

.micro-details-box {
  background: var(--exec-surface);
  padding: 1.5rem;
  border-left: 3px solid var(--exec-accent);
  margin-bottom: 2rem;
}

.contact-img {
  border-radius: 8px;
  max-height: 250px;
}

.tech-form-layout {
  background: var(--exec-surface);
  padding: 2.5rem;
  border-radius: 8px;
  border: 1px solid var(--exec-border);
  box-shadow: 0 10px 25px rgba(0,0,0,0.03);
}

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

.input-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  color: var(--exec-text);
}

.input-group input, 
.input-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--exec-border);
  border-radius: 4px;
  font-family: var(--font-main);
  font-size: 1rem;
  background: var(--exec-bg);
  transition: border-color 0.2s ease;
}

.input-group input:focus,
.input-group textarea:focus {
  outline: none;
  border-color: var(--exec-accent);
}

.submit-btn {
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.tiny-disclaimer {
  font-size: 0.75rem;
  color: var(--exec-secondary);
  text-align: center;
}

/* Footer */
.global-footer-block {
  background: #0f172a;
  color: #94a3b8;
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .brand-mark-svg {
  color: #fff;
  margin-bottom: 0.5rem;
}

.footer-contact p {
  margin-bottom: 0.5rem;
}

.footer-contact a, .footer-links a {
  color: #94a3b8;
  display: block;
  margin-bottom: 0.5rem;
}

.footer-contact a:hover, .footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.85rem;
}

/* Responsive Leakage & Adaptations */
@media (max-width: 992px) {
  .diag-hero-panel, .approach-grid, .form-grid-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-imagery-offset {
    margin-top: 2rem;
  }
  .hero-img-1 { transform: translateY(1rem); }
  .hero-img-2 { transform: translateY(-1rem); }
  .tab-ui-wrapper {
    flex-direction: column;
  }
  .specs-asymmetric-layout {
    grid-template-columns: 1fr 1fr;
  }
  .card-wide { grid-column: span 2; }
}

@media (max-width: 768px) {
  .nav-anchor-list {
    display: none;
  }
  .feedback-masonry {
    grid-template-columns: 1fr;
  }
  .offset-card {
    transform: none;
  }
  .specs-asymmetric-layout {
    grid-template-columns: 1fr;
  }
  .card-tall, .card-wide {
    grid-row: auto;
    grid-column: auto;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}