/* ==========================================================================
   MiimansaAI — Clinical Entity Modeling SaaS Design System
   Color Palette: Clinical Paper White, Lab-Green Primary, Amber Highlighter Accent
   Typography: Source Serif 4 (Headers), IBM Plex Sans (Body UI), IBM Plex Mono (Data/Tags)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,400;0,500;0,600;1,400&family=IBM+Plex+Sans:wght@300;400;500;600;700&family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,600;0,8..60,700;1,8..60,400&display=swap');

:root {
  /* Core Theme Colors */
  --bg-main: #F8FAFC;
  --bg-paper: #FFFFFF;
  --bg-paper-alt: #F1F5F9;
  --bg-dark: #0F172A;
  --bg-dark-card: #1E293B;

  --text-main: #0F172A;
  --text-muted: #475569;
  --text-light: #94A3B8;
  --text-white: #FFFFFF;

  --border-subtle: #E2E8F0;
  --border-strong: #CBD5E1;

  /* Primary Brand: Lab Green */
  --primary: #0D5C46;
  --primary-hover: #094736;
  --primary-light: #10B981;
  --primary-bg: #ECFDF5;
  --primary-border: #A7F3D0;

  /* Accent Color: Amber Highlighter */
  --accent-amber: #F59E0B;
  --accent-amber-hover: #D97706;
  --accent-amber-light: #FEF3C7;
  --accent-amber-border: #FDE68A;

  /* Entity Type Palette */
  --entity-condition-bg: #FEE2E2;
  --entity-condition-border: #FCA5A5;
  --entity-condition-text: #991B1B;
  --entity-condition-tag: #DC2626;

  --entity-medication-bg: #E0F2FE;
  --entity-medication-border: #7DD3FC;
  --entity-medication-text: #075985;
  --entity-medication-tag: #0284C7;

  --entity-procedure-bg: #F3E8FF;
  --entity-procedure-border: #D8B4FE;
  --entity-procedure-text: #6B21A8;
  --entity-procedure-tag: #9333EA;

  --entity-anatomy-bg: #D1FAE5;
  --entity-anatomy-border: #6EE7B7;
  --entity-anatomy-text: #065F46;
  --entity-anatomy-tag: #059669;

  --entity-phi-bg: #E2E8F0;
  --entity-phi-border: #94A3B8;
  --entity-phi-text: #334155;
  --entity-phi-tag: #64748B;

  /* Trait Badges */
  --trait-negation-bg: #FFE4E6;
  --trait-negation-text: #E11D48;
  --trait-temporality-bg: #FEF3C7;
  --trait-temporality-text: #B45309;
  --trait-certainty-bg: #E0E7FF;
  --trait-certainty-text: #4338CA;
  --trait-subject-bg: #F0FDF4;
  --trait-subject-text: #15803D;

  /* Layout & Shadows */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 28px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 20px rgba(13, 92, 70, 0.15);

  --font-display: 'Source Serif 4', Georgia, serif;
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  max-width: 100%;
  overflow-x: hidden;
}

h1, h2, h3, h4, .font-serif {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.25;
}

p {
  color: var(--text-muted);
}

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

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

code, pre, .font-mono {
  font-family: var(--font-mono);
}

/* Layout Utilities */
.container {
  width: 90%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1rem;
}

.container-narrow {
  max-width: 900px;
  margin: 0 auto;
}

.section {
  padding: 5rem 0;
}

.section-alt {
  background-color: var(--bg-paper);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-dark {
  background-color: var(--bg-dark);
  color: var(--text-white);
}

.section-dark h2, .section-dark h3, .section-dark p {
  color: var(--text-white);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-sm { gap: 0.75rem; }
.gap-md { gap: 1.5rem; }
.gap-lg { gap: 2.5rem; }

.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 920px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Navigation Bar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
}

.brand-logo svg {
  width: 32px;
  height: 32px;
}

.brand-tagline {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background: var(--primary-bg);
  color: var(--primary);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--primary-border);
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-weight: 500;
  color: var(--text-muted);
  font-size: 0.95rem;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Buttons & Badges */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--text-white);
  box-shadow: 0 2px 6px rgba(13, 92, 70, 0.25);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  color: var(--text-white);
  box-shadow: 0 4px 12px rgba(13, 92, 70, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-paper);
  color: var(--text-main);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  background-color: var(--bg-paper-alt);
  border-color: var(--text-muted);
}

.btn-accent {
  background-color: var(--accent-amber);
  color: var(--text-main);
  font-weight: 700;
}

.btn-accent:hover {
  background-color: var(--accent-amber-hover);
  color: var(--text-main);
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.95rem 2rem;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 999px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-primary {
  background-color: var(--primary-bg);
  color: var(--primary);
  border: 1px solid var(--primary-border);
}

.badge-amber {
  background-color: var(--accent-amber-light);
  color: var(--accent-amber-hover);
  border: 1px solid var(--accent-amber-border);
}

.badge-outline {
  background-color: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
}

/* Hero Section */
.hero {
  padding: 4.5rem 0 3rem 0;
  background: radial-gradient(circle at 50% 0%, rgba(16, 185, 129, 0.08) 0%, rgba(248, 250, 252, 0) 70%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-paper);
  border: 1px solid var(--border-strong);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.hero-title {
  font-size: 3.2rem;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

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

.hero-title span::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 8px;
  background-color: var(--accent-amber-light);
  z-index: -1;
  border-radius: 2px;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

/* Live Interactive Annotation Engine Demo Container */
.demo-container {
  background-color: var(--bg-paper);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  overflow: hidden;
  margin-top: 1rem;
}

.demo-header {
  background-color: var(--bg-paper-alt);
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.demo-controls-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.demo-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.sample-selector {
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background-color: var(--bg-paper);
  color: var(--text-main);
  cursor: pointer;
}

.demo-views-right {
  display: flex;
  align-items: center;
  background-color: rgba(0,0,0,0.04);
  padding: 0.2rem;
  border-radius: var(--radius-sm);
}

.view-btn {
  background: none;
  border: none;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.view-btn.active {
  background-color: var(--bg-paper);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

/* Annotation Work Area */
.demo-body {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  min-height: 480px;
}

.clinical-text-pane {
  padding: 1.75rem;
  border-right: 1px solid var(--border-subtle);
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-main);
  background-color: var(--bg-paper);
  position: relative;
  overflow-y: auto;
  max-height: 580px;
}

.clinical-text-pane h4 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 1rem;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
}

/* Entity Spans styling inside text */
.entity-span {
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  border: 1px solid transparent;
  font-weight: 500;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
  display: inline;
}

.entity-span:hover, .entity-span.active {
  box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.2);
  transform: scale(1.02);
}

.entity-span .entity-tag-lbl {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.05rem 0.3rem;
  border-radius: 3px;
  margin-left: 0.35rem;
  vertical-align: middle;
  text-transform: uppercase;
}

/* Entity Class Specific Colors */
.entity-condition {
  background-color: var(--entity-condition-bg);
  border-color: var(--entity-condition-border);
  color: var(--entity-condition-text);
}
.entity-condition .entity-tag-lbl {
  background-color: var(--entity-condition-tag);
  color: #FFF;
}

.entity-medication {
  background-color: var(--entity-medication-bg);
  border-color: var(--entity-medication-border);
  color: var(--entity-medication-text);
}
.entity-medication .entity-tag-lbl {
  background-color: var(--entity-medication-tag);
  color: #FFF;
}

.entity-procedure {
  background-color: var(--entity-procedure-bg);
  border-color: var(--entity-procedure-border);
  color: var(--entity-procedure-text);
}
.entity-procedure .entity-tag-lbl {
  background-color: var(--entity-procedure-tag);
  color: #FFF;
}

.entity-anatomy {
  background-color: var(--entity-anatomy-bg);
  border-color: var(--entity-anatomy-border);
  color: var(--entity-anatomy-text);
}
.entity-anatomy .entity-tag-lbl {
  background-color: var(--entity-anatomy-tag);
  color: #FFF;
}

.entity-phi {
  background-color: var(--entity-phi-bg);
  border-color: var(--entity-phi-border);
  color: var(--entity-phi-text);
}
.entity-phi.redacted {
  background-color: #334155;
  color: transparent;
  user-select: none;
  border-radius: 4px;
  padding: 0.1rem 0.5rem;
}
.entity-phi .entity-tag-lbl {
  background-color: var(--entity-phi-tag);
  color: #FFF;
}

/* Sidebar Inspector Pane */
.inspector-pane {
  background-color: var(--bg-paper-alt);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  overflow-y: auto;
  max-height: 580px;
}

.inspector-card {
  background-color: var(--bg-paper);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  padding: 1.15rem;
  box-shadow: var(--shadow-sm);
}

.inspector-card h5 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.entity-detail-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.trait-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.trait-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.55rem;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 4px;
  font-family: var(--font-mono);
}

.trait-negation { background-color: var(--trait-negation-bg); color: var(--trait-negation-text); }
.trait-temporality { background-color: var(--trait-temporality-bg); color: var(--trait-temporality-text); }
.trait-certainty { background-color: var(--trait-certainty-bg); color: var(--trait-certainty-text); }
.trait-subject { background-color: var(--trait-subject-bg); color: var(--trait-subject-text); }

.code-mapping-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.code-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-main);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.code-system {
  font-weight: 700;
  color: var(--primary);
}

.code-value {
  color: var(--text-main);
  font-weight: 600;
}

.confidence-bar-bg {
  width: 100%;
  height: 6px;
  background-color: var(--border-subtle);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 0.4rem;
}

.confidence-bar-fill {
  height: 100%;
  background-color: var(--primary-light);
  border-radius: 3px;
  transition: width 0.4s ease;
}

/* Problem Stats Strip */
.stats-strip {
  background-color: var(--bg-paper);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 3rem 0;
}

.stat-item {
  text-align: center;
  padding: 1rem;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-number.amber {
  color: var(--accent-amber-hover);
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 260px;
  margin: 0 auto;
}

/* Feature Cards & Grid */
.card {
  background-color: var(--bg-paper);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--primary-bg);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

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

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

.card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Chip Grid for Entity Taxonomy */
.taxonomy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.taxonomy-chip {
  background-color: var(--bg-paper);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.taxonomy-chip:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.taxonomy-chip-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.taxonomy-chip-title {
  font-weight: 700;
  font-size: 1rem;
}

.taxonomy-vocabs {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 600;
}

/* 5-Phase Pipeline Visualizer */
.pipeline-stepper {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 3rem;
}

.pipeline-step-card {
  background-color: var(--bg-paper);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1.75rem;
  display: grid;
  grid-template-columns: 80px 1fr 1fr;
  gap: 1.5rem;
  align-items: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: border-color var(--transition-fast);
}

.pipeline-step-card:hover {
  border-color: var(--primary);
}

.step-num-badge {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--primary-bg);
  color: var(--primary);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--primary-border);
}

.step-info h3 {
  font-size: 1.35rem;
  margin-bottom: 0.35rem;
}

.step-io {
  background-color: var(--bg-main);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.step-io-title {
  color: var(--text-light);
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

/* Pricing Cards & Toggle */
.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.pricing-card {
  background-color: var(--bg-paper);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.pricing-card.featured {
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.pricing-card.featured::before {
  content: 'MOST POPULAR FOR CROs';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary);
  color: var(--text-white);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.85rem;
  border-radius: 999px;
  letter-spacing: 0.05em;
}

.price-val {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 1rem 0 0.5rem 0;
}

.price-val span {
  font-size: 1rem;
  font-family: var(--font-body);
  color: var(--text-muted);
  font-weight: 400;
}

.pricing-features {
  list-style: none;
  margin: 1.5rem 0 2rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.pricing-features li svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
  flex-shrink: 0;
}

/* Code Snippet Box */
.code-block {
  background-color: var(--bg-dark);
  color: #E2E8F0;
  border-radius: var(--radius-md);
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  overflow-x: auto;
  border: 1px solid #334155;
  position: relative;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.75rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid #334155;
  font-size: 0.75rem;
  color: #94A3B8;
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

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

.modal-card {
  background-color: var(--bg-paper);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-strong);
  width: 100%;
  max-width: 580px;
  padding: 2.25rem;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
}

/* Form Controls */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: var(--font-body);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background-color: var(--bg-paper);
  color: var(--text-main);
  transition: border-color var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13, 92, 70, 0.15);
}

/* Footer */
.footer {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 4rem 0 2rem 0;
  border-top: 1px solid #334155;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  color: var(--text-white);
  margin-bottom: 0.75rem;
}

.footer-links h5 {
  color: var(--text-white);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: var(--text-light);
  font-size: 0.9rem;
}

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

.footer-bottom {
  border-top: 1px solid #1E293B;
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

/* ==========================================================================
   Responsive Media Queries for Mobile & Tablet
   ========================================================================== */

@media (max-width: 920px) {
  .demo-body {
    grid-template-columns: 1fr !important;
  }

  .clinical-text-pane {
    border-right: none !important;
    border-bottom: 1px solid var(--border-subtle);
    max-height: 380px !important;
  }

  .inspector-pane {
    max-height: 420px !important;
  }

  /* Force grid wrapping earlier */
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 768px) {
  /* Global Adjustments */
  .section {
    padding: 3rem 0;
  }

  /* Typography Scale */
  .hero-title {
    font-size: 2.0rem;
    line-height: 1.25;
  }

  .hero-subtitle {
    font-size: 0.98rem;
  }

  /* Navigation Bar Compactness */
  .navbar-container {
    height: auto;
    padding: 0.75rem 1rem;
    flex-direction: column;
    gap: 0.75rem;
    align-items: stretch;
  }

  .nav-links {
    justify-content: center;
    gap: 0.75rem 1.25rem;
    flex-wrap: wrap;
  }

  .nav-link {
    font-size: 0.88rem;
  }

  .nav-actions {
    justify-content: center;
    width: 100%;
    gap: 0.5rem;
  }

  .nav-actions .btn {
    flex: 1;
    text-align: center;
    padding: 0.6rem 1rem;
    font-size: 0.88rem;
  }

  /* Stepper Cards */
  .pipeline-step-card {
    grid-template-columns: 1fr !important;
    text-align: center;
    justify-items: center;
    padding: 1.5rem;
  }

  .step-io {
    width: 100%;
    text-align: left;
    box-sizing: border-box;
  }

  /* Table and Code Block Wrapping */
  table {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
  }

  .code-block code {
    white-space: pre-wrap !important;
    word-break: break-all !important;
  }

  /* Stack Hero CTA earlier */
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  /* Demo Header controls stack earlier */
  .demo-header {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .demo-views-right {
    overflow-x: auto;
    white-space: nowrap;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
  }

  /* Footer Adjustments */
  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  /* Modal Adjustments */
  .modal-card {
    padding: 1.5rem;
    width: 100%;
    max-width: 95%;
  }
}

@media (max-width: 480px) {
  .brand-tagline {
    display: none !important;
  }

  .pricing-toggle {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .view-btn {
    padding: 0.35rem 0.55rem;
    font-size: 0.75rem;
  }
}