/* ============================================
   ACTN3 BIOINFORMATICS CORPORATE WEBSITE
   Professional Styling for B2B Biotech/Pharma
   ============================================ */

:root {
  /* Colors - Dark Mode (Default) */
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --text-primary: #c9d1d9;
  --text-secondary: #8b949e;
  --accent-green: #a6ce39;
  --accent-blue: #58a6ff;
  --accent-purple: #bc8cff;
  --accent-red: #ff6b6b;
  --border-color: #30363d;
  
  /* Typography */
  --font-body: 'Inter', -apple-system, system-ui, sans-serif;
  --font-heading: 'Space Grotesk', 'Inter', sans-serif;
  --font-mono: 'Fira Code', monospace;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Effects */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --glow-green: 0 0 20px rgba(166, 206, 57, 0.3);
  --glow-blue: 0 0 20px rgba(88, 166, 255, 0.3);
}

/* Light Theme */
[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f6f8fa;
  --bg-tertiary: #e8ecef;
  --text-primary: #24292f;
  --text-secondary: #57606a;
  --border-color: #d0d7de;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* ============================================
   BASE STYLES
   ============================================ */

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

/* CRITICAL: Prevent transparent text inheritance */
*:not(.hero-title):not(.gradient-text) {
  -webkit-text-fill-color: currentColor !important;
}

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

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

.quarto-title-block,
#title-block-header {
  display: none !important;
}

::selection {
  background: var(--accent-green);
  color: var(--bg-primary);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent !important;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  color: var(--text-primary);
  position: relative;
  padding-bottom: var(--spacing-sm);
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-blue));
  margin: var(--spacing-sm) auto 0;
  border-radius: 2px;
}

.cta-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  text-align: center;
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

strong, b {
  font-weight: 700;
  color: var(--text-primary);
}

em, i {
  font-style: italic;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--accent-green);
}

code {
  font-family: var(--font-mono);
  background: var(--bg-tertiary);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.875rem;
  color: var(--accent-blue);
}

/* ============================================
   NAVBAR & HAMBURGER MENU
   ============================================ */

.navbar {
  background: var(--bg-primary) !important;
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--accent-green) !important;
}

.navbar-brand img {
  height: 45px;
  width: auto;
  max-height: 45px;
}

/* Retina display support for logo */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .navbar-brand img[src*="actn3-logo.png"] {
    content: url('assets/icons/actn3-logo@2x.png');
  }
}

.navbar-nav .nav-link {
  color: var(--text-primary) !important;
  font-weight: 500;
  transition: all 0.3s ease;
  margin: 0 0.5rem;
  font-size: 1rem;
}

.navbar-nav .nav-link:hover {
  color: var(--accent-green) !important;
  transform: translateY(-2px);
}

.navbar-nav .nav-item:last-child .nav-link {
  background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
  color: var(--bg-primary) !important;
  padding: 0.5rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

/* Hamburger Menu - Proper Visibility */
.navbar-toggler {
  border-color: var(--border-color);
  padding: 0.5rem;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.2rem rgba(166, 206, 57, 0.3);
}

/* Dark theme - white icon */
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Light theme - dark icon */
[data-theme="light"] .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(36, 41, 47, 0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ============================================
   THEME TOGGLE
   ============================================ */

.theme-toggle {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 999;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
}

.theme-toggle:hover {
  transform: scale(1.1) rotate(15deg);
  border-color: var(--accent-green);
  box-shadow: var(--glow-green);
}

.theme-toggle-icon {
  font-size: 24px;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero-section {
  min-height: 85vh;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
  padding: var(--spacing-xl) var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
}

.hero-content {
  z-index: 10;
}

.hero-stats-inline {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 600;
  margin: var(--spacing-md) 0;
  padding: var(--spacing-sm) 0;
  border-top: 2px solid var(--border-color);
  border-bottom: 2px solid var(--border-color);
}

.hero-stats-inline strong {
  color: var(--accent-green);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.ngs-graphic {
  max-width: 100%;
  height: auto;
  filter: drop-shadow(var(--shadow-lg));
}

/* ============================================
   BUTTONS
   ============================================ */

.cta-buttons {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
}

.btn-primary, .btn-secondary, .btn-primary-large, .btn-secondary-large {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  text-align: center;
  border: 2px solid transparent;
}

.btn-primary, .btn-primary-large {
  background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
  color: var(--bg-primary);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover, .btn-primary-large:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), var(--glow-green);
  color: var(--bg-primary);
}

.btn-secondary, .btn-secondary-large {
  background: transparent;
  color: var(--accent-green);
  border-color: var(--accent-green);
}

.btn-secondary:hover, .btn-secondary-large:hover {
  background: var(--accent-green);
  color: var(--bg-primary);
  transform: translateY(-3px);
}

.btn-primary-large, .btn-secondary-large {
  font-size: 1.1rem;
  padding: 1.2rem 2.5rem;
}

/* ============================================
   SECTIONS & CARDS
   ============================================ */

.section-why {
  padding: var(--spacing-xl) var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
  background: var(--bg-secondary);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.why-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: var(--spacing-md);
  transition: all 0.4s ease;
}

.why-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-green);
  box-shadow: var(--shadow-lg), var(--glow-green);
}

.why-card h3 {
  color: var(--accent-green);
  margin-bottom: var(--spacing-sm);
  font-size: 1.3rem;
}

.why-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.section-services {
  padding: var(--spacing-xl) var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
}

.service-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: var(--spacing-md);
  transition: all 0.4s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-lg), var(--glow-blue);
}

.service-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  display: inline-block;
}

.service-card h3 {
  color: var(--accent-blue);
  margin-bottom: var(--spacing-sm);
  font-size: 1.3rem;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.service-card strong {
  color: var(--text-primary);
  font-size: 0.9rem;
}

.service-card a {
  font-size: 0.9rem;
  font-weight: 600;
}

.cta-center {
  text-align: center;
  margin-top: var(--spacing-lg);
}

.section-tech {
  padding: var(--spacing-xl) var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
  background: var(--bg-secondary);
}

.tech-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.tech-category {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--spacing-md);
  text-align: center;
}

.tech-category h3 {
  color: var(--accent-purple);
  margin-bottom: var(--spacing-sm);
  font-size: 1.2rem;
}

.tech-category p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.section-proof {
  padding: var(--spacing-xl) var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.proof-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.proof-item {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.proof-item:hover {
  border-color: var(--accent-green);
  transform: scale(1.05);
}

.proof-item strong {
  display: block;
  font-size: 2.5rem;
  color: var(--accent-green);
  margin-bottom: 0.5rem;
}

.proof-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.testimonial-highlight {
  background: var(--bg-secondary);
  border-left: 4px solid var(--accent-green);
  padding: var(--spacing-lg);
  border-radius: 8px;
  margin-top: var(--spacing-md);
}

.testimonial-highlight h3 {
  color: var(--accent-blue);
  margin-bottom: var(--spacing-md);
}

.testimonial-highlight p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-sm);
}

.testimonial-highlight strong {
  display: block;
  color: var(--text-primary);
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

.section-cta-final {
  padding: var(--spacing-xl) var(--spacing-lg);
  max-width: 1000px;
  margin: var(--spacing-xl) auto;
  text-align: center;
  background: linear-gradient(135deg, rgba(166, 206, 57, 0.1), rgba(88, 166, 255, 0.1));
  border-radius: 24px;
}

.cta-buttons-footer {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.contact-info-footer {
  margin-top: var(--spacing-md);
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

.contact-info-footer strong {
  color: var(--text-primary);
}

/* FAQ Section */
.section-faq {
  padding: var(--spacing-xl) var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
  background: var(--bg-secondary);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.faq-item {
  background: var(--bg-primary);
  border-left: 4px solid var(--accent-green);
  padding: var(--spacing-md);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.faq-item:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-md);
  border-left-color: var(--accent-blue);
}

.faq-item strong {
  display: block;
  color: var(--accent-blue);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.faq-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

/* Inline CTA */
.cta-inline {
  background: linear-gradient(135deg, rgba(166, 206, 57, 0.1), rgba(88, 166, 255, 0.1));
  border: 2px solid var(--accent-green);
  border-radius: 16px;
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  text-align: center;
}

.cta-inline h3 {
  color: var(--accent-green);
  margin-bottom: var(--spacing-sm);
  font-size: 1.5rem;
}

.cta-inline p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.cta-inline .btn-primary,
.cta-inline .btn-secondary {
  margin: 0.5rem;
}

/* Trust Badges */
.trust-badges {
  background: var(--bg-secondary);
  border: 2px solid var(--accent-green);
  border-radius: 16px;
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.trust-badges strong {
  display: block;
  color: var(--accent-blue);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.trust-badges p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: var(--spacing-sm);
}

.trust-badges .btn-secondary {
  margin: 0.5rem;
}

/* ============================================
   SERVICES PAGE SPECIFIC
   ============================================ */

.service-section {
  padding: var(--spacing-lg) 0;
  max-width: 900px;
  margin: 0 auto;
}

.tech-list {
  background: var(--bg-secondary);
  padding: var(--spacing-md);
  border-radius: 12px;
  border-left: 4px solid var(--accent-green);
  margin: var(--spacing-md) 0;
}

.tech-list p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-sm);
}

.tech-list strong {
  color: var(--accent-blue);
  font-size: 1rem;
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.approach-step {
  background: var(--bg-secondary);
  padding: var(--spacing-md);
  border-radius: 12px;
  text-align: center;
}

.approach-step strong {
  display: block;
  color: var(--accent-green);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

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

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-sm);
  margin: var(--spacing-md) 0;
}

.feature-grid p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  padding: 0.5rem;
  background: var(--bg-secondary);
  border-radius: 8px;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.dashboard-type {
  background: var(--bg-secondary);
  padding: var(--spacing-md);
  border-radius: 12px;
  text-align: center;
}

.dashboard-type strong {
  display: block;
  color: var(--accent-green);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.dashboard-type p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.process-step {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--spacing-md);
}

.process-step h3 {
  color: var(--accent-blue);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.process-step strong {
  display: block;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-sm);
}

.process-step p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.faq-item {
  background: var(--bg-secondary);
  padding: var(--spacing-md);
  border-radius: 12px;
  border-left: 3px solid var(--accent-green);
}

.faq-item strong {
  display: block;
  color: var(--accent-blue);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.faq-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.cta-final-services {
  text-align: center;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, rgba(166, 206, 57, 0.1), rgba(88, 166, 255, 0.1));
  border-radius: 16px;
  margin-top: var(--spacing-lg);
}

/* ============================================
   FOOTER
   ============================================ */

.page-footer {
  background: var(--bg-primary) !important;
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-primary);
  font-size: 0.9rem;
}

.page-footer p, .page-footer a, .page-footer td {
  color: var(--text-primary);
  font-size: 0.9rem;
}

.page-footer a {
  color: var(--accent-green);
}

.page-footer a:hover {
  color: var(--accent-blue);
}

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

@media (max-width: 1200px) {
  .hero-section {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-visual {
    order: -1;
  }
}

@media (max-width: 992px) {
  :root {
    --spacing-xl: 4rem;
  }
  
  .why-grid, .services-grid, .tech-categories {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-xl: 3rem;
    --spacing-lg: 2rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-section {
    padding: var(--spacing-lg) var(--spacing-sm);
  }
  
  .cta-buttons, .cta-buttons-footer {
    flex-direction: column;
  }
}

/* ============================================
   UTILITIES
   ============================================ */

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

/* ============================================
   SCROLLBAR
   ============================================ */

::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-green);
  border-radius: 6px;
  border: 3px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-blue);
}