/* ===================================
   PEGASUS THEMIS - PROFESSIONAL UI
   Elevating Visual Authority
   =================================== */

/* === CSS VARIABLES (Design Tokens) === */
:root {
  /* Primary Authority Colors */
  --navy-primary: #1E3C72;
  --blue-refined: #2A5298;
  --white-pure: #FFFFFF;
  
  /* Secondary Professional Colors */
  --blue-light: #4A6FA5;
  --blue-pale: #E8F0FA;
  --gray-blue: #F8FAFE;
  
  /* Accent Colors */
  --gold-judicial: #D4A574;
  --teal-tech: #2DD4BF;
  
  /* Functional Colors */
  --green-success: #10B981;
  --red-error: #EF4444;
  --amber-warning: #F59E0B;
  --blue-info: #3B82F6;
  
  /* Text Hierarchy */
  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;
  --text-inverse: #FFFFFF;
  
  /* Background Layers */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F9FAFB;
  --bg-accent: #F8FAFE;
  --bg-dark: #1F2937;
  
  /* Shadows & Elevation */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 64px rgba(0,0,0,0.16);
  
  /* Spacing System */
  --space-micro: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-xxl: 48px;
  --space-massive: 64px;
  --space-hero: 96px;
  
  /* Transitions */
  --transition-micro: 150ms ease-in-out;
  --transition-standard: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-emphasis: 400ms cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --transition-page: 500ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  
  /* Layout */
  --container-width: 1200px;
  --nav-height: 72px;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

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

body {
  font-family: var(--font-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === TYPOGRAPHY SYSTEM === */

/* Authority Headings */
.h1-expert-declaration {
  font-size: clamp(2.5rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.2;
  color: var(--navy-primary);
  margin-bottom: var(--space-lg);
}

.h2-professional-insight {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.3px;
  line-height: 1.22;
  color: var(--navy-primary);
  margin-bottom: var(--space-md);
}

.h3-practical-guidance {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.2px;
  line-height: 1.29;
  color: var(--navy-primary);
  margin-bottom: var(--space-sm);
}

.h4-detail-emphasis {
  font-size: clamp(1.125rem, 1.5vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.1px;
  line-height: 1.33;
  color: var(--navy-primary);
  margin-bottom: var(--space-xs);
}

/* Content Voice Styles */
.body-authoritative {
  font-size: 1.25rem;
  line-height: 2;
  letter-spacing: 0px;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}

.body-conversational {
  font-size: 1.125rem;
  line-height: 1.78;
  letter-spacing: 0px;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.body-standard {
  font-size: 1rem;
  line-height: 1.5;
  letter-spacing: 0px;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.body-supporting {
  font-size: 0.875rem;
  line-height: 1.43;
  letter-spacing: 0.1px;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.evidence-text {
  font-size: 1rem;
  font-weight: 500;
  font-style: italic;
  line-height: 1.5;
  color: var(--text-primary);
  background: rgba(30,60,114,0.05);
  border-radius: 8px;
  padding: var(--space-md);
  margin: var(--space-lg) 0;
}

.caption-metadata {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  line-height: 1.5;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* === BUTTON SYSTEM === */

/* Authority CTA - Primary Action */
.btn-authority {
  background: linear-gradient(135deg, var(--navy-primary) 0%, var(--blue-refined) 100%);
  color: var(--text-inverse);
  padding: var(--space-md) var(--space-lg);
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.2px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-standard);
  cursor: pointer;
  min-height: 48px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.btn-authority:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(30,60,114,0.3);
  color: var(--text-inverse);
  text-decoration: none;
}

.btn-authority:active {
  transform: translateY(0);
  transition: var(--transition-micro);
}

/* Consultation Button - Professional Dialogue */
.btn-consultation {
  background: transparent;
  color: var(--navy-primary);
  border: 2px solid var(--navy-primary);
  padding: calc(var(--space-md) - 2px) var(--space-lg);
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.2px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-standard);
  cursor: pointer;
  min-height: 48px;
}

.btn-consultation:hover {
  background: var(--navy-primary);
  color: var(--text-inverse);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  text-decoration: none;
}

/* Resource Access - Knowledge Sharing */
.btn-resource {
  background: #E8F0FA;
  color: var(--navy-primary);
  border: none;
  padding: var(--space-sm) var(--space-md);
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.1px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-standard);
  cursor: pointer;
  min-height: 44px;
}

.btn-resource:hover {
  background: var(--navy-primary);
  color: var(--text-inverse);
  transform: translateY(-2px);
  text-decoration: none;
}

/* === CARD SYSTEM === */

/* Case Study Cards - Credibility Display */
.card-case-study {
  background: var(--bg-primary);
  border-radius: 12px;
  padding: var(--space-lg);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transition: var(--transition-standard);
  position: relative;
  border: 1px solid rgba(30,60,114,0.08);
}


.card-case-study:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  border-color: rgba(30,60,114,0.15);
}

/* Methodology Cards - Knowledge Containers */
.card-methodology {
  background: var(--bg-primary);
  border-radius: 12px;
  padding: var(--space-lg);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  border: 1px solid rgba(30,60,114,0.08);
  transition: var(--transition-standard);
}

.card-methodology:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  border-color: rgba(30,60,114,0.15);
}

/* Product Cards - Solution Display */
.card-product {
  background: var(--bg-primary);
  border-radius: 12px;
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transition: var(--transition-standard);
  border: 1px solid rgba(30,60,114,0.08);
  position: relative;
}

.card-product:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  border-color: rgba(30,60,114,0.15);
}

.card-product::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(30,60,114,0.02) 0%, rgba(42,82,152,0.02) 100%);
  border-radius: 16px;
  pointer-events: none;
  opacity: 0;
  transition: var(--transition-standard);
}

.card-product:hover::after {
  opacity: 1;
}

/* === NAVIGATION SYSTEM === */

.nav-professional {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(30,60,114,0.08);
  z-index: 1000;
  height: var(--nav-height);
  transition: var(--transition-standard);
}

.nav-professional.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.nav-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-professional {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy-primary);
  text-decoration: none;
  letter-spacing: -0.5px;
  transition: var(--transition-standard);
}

.logo-professional:hover {
  color: var(--blue-refined);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
  align-items: center;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--navy-primary);
  margin: 2px 0;
  transition: 0.3s;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -5px);
}

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-standard);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--navy-primary);
  transition: var(--transition-standard);
}

.nav-link:hover {
  color: var(--navy-primary);
  text-decoration: none;
}

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

/* === INPUT SYSTEM === */

.input-professional {
  height: 56px;
  border-radius: 8px;
  border: 1.5px solid #E5E7EB;
  background: var(--bg-primary);
  color: var(--text-primary);
  padding: 0 var(--space-md);
  font-size: 1rem;
  font-family: var(--font-primary);
  transition: var(--transition-standard);
  width: 100%;
}

.input-professional:focus {
  outline: none;
  border-color: var(--navy-primary);
  box-shadow: 0 0 0 3px rgba(30,60,114,0.1);
}

.input-professional::placeholder {
  color: var(--text-muted);
}

/* === LAYOUT SYSTEM === */

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-massive) 0;
}

.section-hero {
  padding: var(--space-hero) 0 var(--space-massive);
}

.section-alt {
  background: var(--bg-secondary);
}

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

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

/* === GRID SYSTEM === */

.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

/* === SPECIAL COMPONENTS === */

/* Hero Section - Authority Establishment */
.hero-authority {
  background: linear-gradient(135deg, #2A5298 0%, #4A6FA5 50%, #E8F0FA 100%);
  color: var(--navy-primary);
  position: relative;
  overflow: hidden;
}

.hero-authority::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
  background-size: 50px 50px;
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-hero) 0;
}

/* Quote System - Evidence Display */
.quote-authority {
  background: var(--bg-accent);
  border-left: 4px solid var(--navy-primary);
  padding: var(--space-lg);
  margin: var(--space-xl) 0;
  border-radius: 0 8px 8px 0;
  font-size: 1.25rem;
  font-style: italic;
  color: var(--text-primary);
  position: relative;
}

.quote-authority::before {
  content: '"';
  font-size: 4rem;
  color: var(--blue-pale);
  position: absolute;
  top: -10px;
  left: var(--space-md);
  font-family: Georgia, serif;
}

/* Metrics Display - Professional Results */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.metric-item {
  text-align: center;
  padding: var(--space-lg);
  background: var(--bg-primary);
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transition: var(--transition-standard);
}

.metric-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}

.metric-value {
  font-size: 3rem;
  font-weight: 700;
  color: var(--navy-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.metric-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Testimonial System - Credibility Building */
.testimonial-professional {
  background: var(--bg-primary);
  padding: var(--space-lg);
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  border: 1px solid rgba(30,60,114,0.08);
  margin: var(--space-lg) 0;
  position: relative;
}

.testimonial-text {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--text-primary);
  font-style: italic;
  margin-bottom: var(--space-md);
}

.testimonial-author {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Article Cards - Content Presentation */
.article-card-professional {
  background: var(--bg-primary);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transition: var(--transition-emphasis);
  border: 1px solid rgba(30,60,114,0.05);
  margin-bottom: var(--space-lg);
}

.article-card-professional:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  border-color: var(--blue-pale);
}

.article-content {
  padding: var(--space-lg);
}

.article-date {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.2px;
}

.article-title {
  margin: var(--space-xs) 0 var(--space-md);
  color: var(--navy-primary);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
}

.article-excerpt {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.article-link {
  color: var(--navy-primary);
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition-standard);
}

.article-link:hover {
  color: var(--blue-refined);
  text-decoration: none;
}

/* === ARTICLE CONTENT SYSTEM === */

/* Article Layout & Spacing */
.article-body {
  max-width: 800px;
  margin: 0 auto;
}

/* Article Section Containers */
.article-section {
  margin-bottom: var(--space-massive);
}

/* Article Headlines - Professional Hierarchy with Proportional Gradients */
.h2-section-title {
  font-size: clamp(1.5rem, 2.5vw, 1.875rem);
  font-weight: 600;
  letter-spacing: -0.2px;
  line-height: 1.3;
  color: var(--navy-primary);
  margin: var(--space-massive) 0 var(--space-xl);
  position: relative;
  padding-bottom: var(--space-sm);
}

.h2-section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  width: 75%;
  background: linear-gradient(
    90deg, 
    var(--navy-primary) 0%, 
    var(--blue-refined) 40%, 
    transparent 100%
  );
  border-radius: 2px;
}

.h3-subsection {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.1px;
  line-height: 1.4;
  color: var(--navy-primary);
  margin: var(--space-xl) 0 var(--space-lg);
  position: relative;
  padding-bottom: var(--space-xs);
}

.h3-subsection::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  width: 50%;
  background: linear-gradient(
    90deg, 
    var(--navy-primary) 0%, 
    var(--blue-refined) 35%, 
    transparent 100%
  );
  border-radius: 1px;
}

.h4-detail-emphasis {
  font-size: clamp(1.125rem, 1.5vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.1px;
  line-height: 1.33;
  color: var(--navy-primary);
  margin: var(--space-lg) 0 var(--space-md);
  position: relative;
  padding-bottom: 4px;
}

.h4-detail-emphasis::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  height: 1.5px;
  width: 30%;
  background: linear-gradient(
    90deg, 
    var(--navy-primary) 0%, 
    var(--blue-refined) 30%, 
    transparent 100%
  );
  border-radius: 1px;
}

/* Article Text Styles - Justified & Readable */
.body-text-large {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  text-align: justify;
  text-justify: inter-word;
}

.body-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  text-align: justify;
  text-justify: inter-word;
}

.body-text-small {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  text-align: justify;
  text-justify: inter-word;
}

/* Professional Highlight Boxes */
.highlight-box {
  background: var(--bg-accent);
  border-radius: 8px;
  padding: var(--space-lg);
  margin: var(--space-xl) 0;
  border-left: 4px solid var(--navy-primary);
  position: relative;
}

.highlight-box.warning {
  background: #fef3c7;
  border-left-color: var(--amber-warning);
}

.highlight-box.info {
  background: #eff6ff;
  border-left-color: var(--blue-info);
}

.highlight-box.success {
  background: #f0fdf4;
  border-left-color: var(--green-success);
}

.highlight-box h3 {
  color: var(--navy-primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm) 0;
}

.highlight-box.warning h3 {
  color: #92400e;
}

.highlight-box.info h3 {
  color: #1d4ed8;
}

.highlight-box.success h3 {
  color: #166534;
}

.highlight-box p {
  margin: 0;
  line-height: 1.6;
}

/* Info Boxes for Professional Content */
.info-box {
  background: var(--bg-primary);
  border: 1px solid rgba(30,60,114,0.15);
  border-radius: 8px;
  padding: var(--space-lg);
  margin: var(--space-xl) 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.info-box h4 {
  color: var(--navy-primary);
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 var(--space-md) 0;
}

/* Professional Lists */
.styled-list {
  margin: var(--space-md) 0;
  padding-left: var(--space-lg);
}

.styled-list li {
  margin-bottom: var(--space-sm);
  line-height: 1.6;
  color: var(--text-primary);
}

.styled-list li strong {
  color: var(--navy-primary);
}

/* Content Sections */
.content-section {
  margin-bottom: var(--space-massive);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(30,60,114,0.1);
}

.content-section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

/* Article Navigation Elements */
.article-navigation {
  background: var(--bg-accent);
  border-radius: 8px;
  padding: var(--space-lg);
  margin: var(--space-xl) 0;
  border-left: 4px solid var(--gold-judicial);
}

.article-navigation h3 {
  color: var(--navy-primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm) 0;
}

/* Professional Blockquotes */
blockquote {
  background: var(--bg-accent);
  border-left: 4px solid var(--navy-primary);
  margin: var(--space-xl) 0;
  padding: var(--space-lg);
  border-radius: 0 8px 8px 0;
  font-style: italic;
  position: relative;
}

blockquote::before {
  content: '"';
  font-size: 3rem;
  color: rgba(30,60,114,0.2);
  position: absolute;
  top: -10px;
  left: var(--space-md);
  font-family: Georgia, serif;
}

/* Professional Use Cases Grid */
.use-cases-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin: var(--space-xl) 0;
}

@media (max-width: 768px) {
  .use-cases-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

/* Recommended Use Cases */
.use-case-recommended {
  background: #f0fdf4;
  border: 2px solid #16a34a;
  border-radius: 12px;
  padding: var(--space-lg);
  position: relative;
}

.use-case-recommended h4 {
  color: #166534;
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 var(--space-lg) 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.use-case-recommended ul {
  margin: 0;
  padding-left: var(--space-xl);
  list-style: none;
}

.use-case-recommended ul li {
  position: relative;
  margin-bottom: var(--space-md);
  line-height: 1.6;
  color: #15803d;
  font-size: 0.95rem;
}

.use-case-recommended ul li::before {
  content: '→';
  position: absolute;
  left: calc(-1 * var(--space-lg));
  color: #16a34a;
  font-weight: bold;
}

/* Prohibited Use Cases */
.use-case-prohibited {
  background: #fef2f2;
  border: 2px solid #dc2626;
  border-radius: 12px;
  padding: var(--space-lg);
  position: relative;
}

.use-case-prohibited h4 {
  color: #991b1b;
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 var(--space-lg) 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.use-case-prohibited ul {
  margin: 0;
  padding-left: var(--space-xl);
  list-style: none;
}

.use-case-prohibited ul li {
  position: relative;
  margin-bottom: var(--space-md);
  line-height: 1.6;
  color: #b91c1c;
  font-size: 0.95rem;
}

.use-case-prohibited ul li::before {
  content: '×';
  position: absolute;
  left: calc(-1 * var(--space-lg));
  color: #dc2626;
  font-weight: bold;
  font-size: 1.1rem;
}

/* Professional Step-by-Step Process */
.process-steps {
  counter-reset: step-counter;
  margin: var(--space-xl) 0;
}

.process-step {
  counter-increment: step-counter;
  margin-bottom: var(--space-xl);
  position: relative;
  padding-left: calc(var(--space-xl) + var(--space-md));
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
}

.process-step::before {
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: var(--space-xl);
  height: var(--space-xl);
  background: linear-gradient(135deg, var(--navy-primary) 0%, var(--blue-refined) 100%);
  color: var(--text-inverse);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1rem;
  box-shadow: 0 2px 8px rgba(30,60,114,0.3);
  flex-shrink: 0;
}

.process-step-content {
  flex: 1;
  margin-top: 2px; /* Pequeño ajuste para alinear con el círculo */
}

.process-step h4 {
  color: var(--navy-primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 var(--space-md) 0;
  line-height: 1.3;
}

.process-step p {
  margin: 0;
  line-height: 1.6;
  color: var(--text-primary);
}

.process-step p strong {
  color: var(--navy-primary);
}

/* Critical Steps Highlight */
.process-step.critical::before {
  background: linear-gradient(135deg, var(--amber-warning) 0%, #f59e0b 100%);
}

.process-step.critical h4 {
  color: #92400e;
}

/* === SPECIALTY SECTIONS === */

/* Experience Box - Authority Display */
.experience-authority {
  background: linear-gradient(135deg, var(--navy-primary) 0%, var(--blue-refined) 100%);
  color: var(--text-inverse);
  padding: var(--space-lg);
  border-radius: 12px;
  margin: var(--space-xl) 0;
  position: relative;
  overflow: hidden;
}

.experience-authority::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 200%;
  background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.05) 50%, transparent 70%);
  transform: rotate(45deg);
  transition: var(--transition-emphasis);
  opacity: 0;
}

.experience-authority:hover::before {
  opacity: 1;
  animation: shine 1.5s ease-in-out;
}

@keyframes shine {
  0% { transform: translateX(-100%) rotate(45deg); }
  100% { transform: translateX(100%) rotate(45deg); }
}

/* CTA Sections - Conversion Optimization */
.cta-professional {
  background: linear-gradient(135deg, var(--navy-primary) 0%, var(--blue-refined) 100%);
  color: var(--text-inverse);
  padding: var(--space-lg);
  border-radius: 12px;
  text-align: center;
  margin: var(--space-xl) 0;
  position: relative;
}

.cta-professional h3 {
  color: var(--text-inverse);
  margin-bottom: var(--space-md);
}

.cta-professional p {
  opacity: 0.95;
  margin-bottom: var(--space-lg);
  font-size: 1.125rem;
}

/* === UTILITY CLASSES === */

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-inverse { color: var(--text-inverse); }
.text-navy { color: var(--navy-primary); }
.text-gold { color: var(--gold-judicial); }

/* Spacing Utilities */
.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }

/* === PROGRESSIVE REVEAL ANIMATIONS === */

.reveal-fade {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-fade.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-slide-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-slide-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-slide-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-slide-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

.reveal-stagger {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-stagger.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays for multiple elements */
.reveal-stagger:nth-child(1).revealed { transition-delay: 0ms; }
.reveal-stagger:nth-child(2).revealed { transition-delay: 100ms; }
.reveal-stagger:nth-child(3).revealed { transition-delay: 200ms; }
.reveal-stagger:nth-child(4).revealed { transition-delay: 300ms; }
.reveal-stagger:nth-child(5).revealed { transition-delay: 400ms; }

/* === INTERACTIVE PRODUCT CARDS === */

.card-product-interactive {
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-product-interactive::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(30,60,114,0.1), transparent);
  transition: left 0.5s ease;
}

.card-product-interactive:hover::before {
  left: 100%;
}

.card-product-interactive:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}

.card-product-interactive .product-details {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-product-interactive:hover .product-details {
  max-height: 200px;
  opacity: 1;
  margin-top: var(--space-md);
}

/* === DYNAMIC HERO CTA === */

.btn-hero-dynamic {
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-hero-dynamic::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.4s ease;
}

.btn-hero-dynamic:hover::before {
  width: 300px;
  height: 300px;
}

.btn-hero-dynamic:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 10px 20px rgba(30,60,114,0.3);
}

.btn-hero-dynamic:active {
  transform: translateY(0) scale(0.98);
  transition: all 0.1s ease;
}

/* Pulse animation for attention */
.btn-hero-dynamic.pulse {
  animation: heroButtonPulse 2s infinite;
}

@keyframes heroButtonPulse {
  0% { box-shadow: 0 0 0 0 rgba(30,60,114,0.7); }
  70% { box-shadow: 0 0 0 10px rgba(30,60,114,0); }
  100% { box-shadow: 0 0 0 0 rgba(30,60,114,0); }
}

/* === RESPONSIVE DESIGN === */

@media (max-width: 768px) {
  :root {
    --space-hero: 48px;
    --space-massive: 32px;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    gap: 0;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
    border-top: 1px solid rgba(30,60,114,0.08);
    display: none;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-link {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid rgba(30,60,114,0.05);
    width: 100%;
    text-align: left;
  }
  
  .nav-link:last-child {
    border-bottom: none;
  }
  
  .hero-content {
    padding: calc(var(--nav-height) + var(--space-lg)) var(--space-md) var(--space-massive);
  }
  
  .h1-expert-declaration {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
    line-height: 1.3;
    margin-bottom: var(--space-md);
    padding: 0 var(--space-xs);
    word-break: break-word;
  }
  
  .body-authoritative {
    font-size: clamp(1rem, 3vw, 1.125rem);
    line-height: 1.6;
    padding: 0 var(--space-sm);
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .btn-authority,
  .btn-consultation {
    width: 100%;
    justify-content: center;
    font-size: 0.95rem;
    padding: var(--space-sm) var(--space-md);
    margin: var(--space-xs) 0;
  }
  
  .experience-authority,
  .cta-professional {
    padding: var(--space-lg);
  }
}

/* === ADVANCED INTERACTIONS === */

/* Scroll Reveal Animations */
.reveal-fade {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-emphasis);
}

.reveal-fade.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Professional Loading States */
.loading-professional {
  position: relative;
  overflow: hidden;
}

.loading-professional::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(30,60,114,0.1), transparent);
  animation: loading-shimmer 1.5s infinite;
}

@keyframes loading-shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* === DARK MODE SUPPORT === */

@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --bg-accent: #334155;
    --bg-dark: #0F172A;
    --text-primary: #F1F5F9;
    --text-secondary: #CBD5E1;
    --text-muted: #94A3B8;
    --navy-primary: #3B82F6;
  }
  
  .nav-professional {
    background: rgba(15, 23, 42, 0.95);
  }
  
  .card-case-study,
  .card-methodology,
  .card-product {
    background: var(--bg-secondary);
    border-color: rgba(59,130,246,0.2);
  }
}

/* === PRINT STYLES === */

@media print {
  .nav-professional,
  .btn-authority,
  .btn-consultation,
  .btn-resource {
    display: none;
  }
  
  .hero-authority,
  .cta-professional {
    background: transparent;
    color: var(--text-primary);
  }
  
  .card-case-study,
  .card-methodology {
    box-shadow: none;
    border: 1px solid #E5E7EB;
  }
}