/* GraphFlow Landing CSS - Updated v2.1 - Cache Busting Fix */
:root {
  --bg-page: #F8FAFC;
  --bg-hero-start: #F0FDFA;
  --bg-hero-end: #F1F5F9;
  --bg-card: #FFFFFF;
  --primary-accent: #0D9488;
  --primary-accent-light: #CCFBF1;
  --text-dark: #1E293B;
  --text-medium: #475569;
  --text-light: #94A3B8;
  --border-color: #E2E8F0;
  --error-bg: #FEF2F2;
  --error-text: #DC2626;
  --warning-bg: #FFFBEB;
  --warning-text: #B45309;
  --success-bg: #ECFDF5;
  --success-text: #065F46;
  --info-bg: #EFF6FF;
  --info-text: #1E40AF;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-page);
  color: var(--text-medium);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

h1, h2, h3, h4 {
  color: var(--text-dark);
  line-height: 1.2;
  font-weight: 600;
}

h1 {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

/* Navigation Styles */
.navbar {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-dark);
  text-decoration: none;
  z-index: 101;
}

.nav-logo {
  width: 32px;
  height: 32px;
}

.brand-name {
  font-weight: 800;
}

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

/* Language Switcher */
.language-switcher {
  position: relative;
}

.language-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-dark);
  transition: all 0.2s;
}

.language-toggle:hover {
  border-color: var(--primary-accent);
  background-color: var(--primary-accent-light);
}

.language-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  min-width: 140px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 102;
}

.language-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.language-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  text-decoration: none;
  color: var(--text-dark);
  transition: all 0.2s;
  border-bottom: 1px solid var(--border-color);
}

.language-option:last-child {
  border-bottom: none;
}

.language-option:hover {
  background-color: var(--bg-page);
}

.language-option.active {
  background-color: var(--primary-accent-light);
  color: var(--primary-accent);
}

.language-option span:last-child {
  font-size: 0.75rem;
  opacity: 0.7;
  font-weight: 600;
}

/* Mobile Language Switcher */
.mobile-language-switcher {
  margin-top: 1rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.language-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  text-decoration: none;
  color: var(--text-dark);
  transition: all 0.2s;
  border-radius: 0.5rem;
  margin-bottom: 0.25rem;
}

.language-link.active {
  background-color: var(--primary-accent-light);
  color: var(--primary-accent);
}

.language-link:hover {
  background-color: var(--bg-page);
}

/* Footer Language Links */
.language-links {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.language-links span {
  font-size: 0.875rem;
  color: var(--text-light);
}

.language-link {
  font-size: 0.875rem;
  color: var(--primary-accent);
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  transition: all 0.2s;
}

.language-link:hover {
  background-color: var(--primary-accent-light);
}

.language-link.active {
  background-color: var(--primary-accent);
  color: white;
}

.search-toggle, .nav-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 0.5rem;
  transition: all 0.2s;
  color: var(--text-dark);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.search-toggle:hover, .nav-toggle:hover {
  background-color: var(--primary-accent-light);
  color: var(--primary-accent);
}

/* Navigation Toggle */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--text-dark);
  transition: all 0.3s ease;
  transform-origin: center;
}

/* Search Overlay */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 1100;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 100px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.search-overlay.active {
  opacity: 1;
  visibility: visible;
}

.search-container {
  background-color: var(--bg-card);
  border-radius: 1rem;
  width: 90%;
  max-width: 600px;
  max-height: 70vh;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  transform: translateY(-20px);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

.search-overlay.active .search-container {
  transform: translateY(0);
}

.search-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.search-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
  margin: 0;
}

.search-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--text-light);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 0.5rem;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.search-close:hover {
  background-color: var(--bg-page);
  color: var(--text-dark);
}

.search-input-container {
  position: relative;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.search-icon {
  position: absolute;
  left: 2rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
}

.search-input {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: all 0.2s;
  background-color: var(--bg-page);
  color: var(--text-dark);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-accent);
  box-shadow: 0 0 0 3px var(--primary-accent-light);
}

.search-results {
  flex: 1;
  overflow-y: auto;
  max-height: 400px;
  padding: 1rem 0;
}

.search-result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  transition: all 0.2s;
  gap: 1rem;
}

.search-result-item:hover {
  background-color: var(--bg-page);
}

.search-result-content {
  flex: 1;
}

.search-result-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-dark);
}

.search-result-content p {
  font-size: 0.875rem;
  color: var(--text-light);
  margin: 0;
  line-height: 1.4;
}

.search-result-button {
  background-color: var(--primary-accent);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}

.search-result-button:hover {
  background-color: #0b8378;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.2);
}

.no-results {
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--text-light);
}

/* Navigation Slider */
.nav-slider {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background-color: var(--bg-card);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
  transition: right 0.3s ease-in-out;
  z-index: 1001;
  overflow-y: auto;
}

.nav-slider.active {
  right: 0;
}

.slider-content {
  padding: 1.5rem;
  height: 100%;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.slider-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--text-dark);
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.slider-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.slider-link {
  display: block;
  padding: 1rem;
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
  border-radius: 0.5rem;
  transition: all 0.2s;
}

.slider-link:hover, .slider-link.active {
  background-color: var(--primary-accent-light);
  color: var(--primary-accent);
}

/* Overlay when slider is open */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Hide old navigation elements */
.nav-links {
  display: none;
}

.mobile-menu-toggle {
  display: none;
}

/* Hero Section */
.hero-section {
  padding: clamp(3rem, 8vw, 6rem) clamp(1rem, 4vw, 2rem);
  background-image: linear-gradient(120deg, var(--bg-hero-start), var(--bg-hero-end));
  position: relative;
  overflow: hidden;
  text-align: center;
  width: 100%;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero-text p {
  font-size: clamp(1rem, 3vw, 1.25rem);
  margin-top: 0.75rem;
  margin-bottom: 2rem;
  color: var(--text-dark);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Quick Stats */
.quick-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin: 2.5rem 0;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary-accent);
  margin-bottom: 0.25rem;
}

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

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.cta-button {
  display: inline-block;
  padding: clamp(0.75rem, 2vw, 1rem) clamp(1.5rem, 4vw, 2rem);
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  font-size: clamp(0.875rem, 2vw, 1rem);
  border: none;
  cursor: pointer;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-button.primary {
  background-color: var(--primary-accent);
  color: white;
}

.cta-button.primary:hover {
  background-color: #0b8378;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.2);
}

.cta-button.secondary {
  background-color: transparent;
  color: var(--primary-accent);
  border: 2px solid var(--primary-accent);
}

.cta-button.secondary:hover {
  background-color: var(--primary-accent-light);
  transform: translateY(-2px);
  color: var(--primary-accent);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Featured Section */
.featured-section {
  padding: 4rem 0;
  background-color: var(--bg-page);
}

.section-title {
  text-align: center;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.section-subtitle {
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-medium);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.featured-card {
  background: var(--bg-card);
  border-radius: 1rem;
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.featured-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-accent), #0b8378);
}

.featured-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.coming-soon-card {
  background: linear-gradient(135deg, var(--bg-card), #f8fafc);
  border: 1px dashed var(--border-color);
}

.coming-soon-card::before {
  background: linear-gradient(90deg, var(--text-light), #94a3b8);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.coming-soon-card .card-icon {
  background: #f1f5f9;
}

.card-icon i {
  font-size: 1.5rem;
  color: var(--primary-accent);
}

.coming-soon-card .card-icon i {
  color: var(--text-light);
}

.featured-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.featured-card p {
  color: var(--text-medium);
  margin-bottom: 1.5rem;
  line-height: 1.6;
  flex-grow: 1;
}

.card-actions {
  margin-top: auto;
}

.card-button {
  display: inline-block;
  background: var(--primary-accent);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
  width: 100%;
  text-align: center;
}

.card-button:hover {
  background: #0b8378;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.2);
}

.card-button.secondary {
  background: transparent;
  color: var(--text-medium);
  border: 1px solid var(--border-color);
}

.card-button.secondary:hover {
  background: var(--bg-page);
  color: var(--text-dark);
  transform: translateY(-2px);
}

/* Categories Section */
.categories-section {
  padding: 4rem 0;
  background: var(--bg-hero-end);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.category-card {
  background: var(--bg-card);
  border-radius: 1rem;
  padding: 2rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.category-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.coming-soon-category {
  background: linear-gradient(135deg, var(--bg-card), #f8fafc);
  border: 1px dashed var(--border-color);
}

.category-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.category-header i {
  font-size: 1.5rem;
  color: var(--primary-accent);
  width: 40px;
  height: 40px;
  background: var(--primary-accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.coming-soon-category .category-header i {
  color: var(--text-light);
  background: #f1f5f9;
}

.category-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
  margin: 0;
}

.category-tools {
  list-style: none;
  margin: 0;
  padding: 0;
}

.category-tools li {
  margin-bottom: 0.75rem;
}

.category-tools a {
  color: var(--text-medium);
  text-decoration: none;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.category-tools a::before {
  content: '→';
  color: var(--primary-accent);
  font-weight: 600;
  transition: transform 0.2s;
}

.category-tools a:hover {
  color: var(--primary-accent);
}

.category-tools a:hover::before {
  transform: translateX(3px);
}

.coming-soon {
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.coming-soon::before {
  content: '⏱';
  color: var(--text-light);
  font-weight: 600;
}

.coming-soon small {
  font-size: 0.75rem;
  opacity: 0.7;
}

/* Benefits Section */
.benefits-section {
  padding: 4rem 0;
  background: var(--bg-page);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.benefit-item {
  text-align: center;
  padding: 2rem 1rem;
}

.benefit-icon {
  width: 80px;
  height: 80px;
  background: var(--primary-accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.benefit-icon i {
  font-size: 2rem;
  color: var(--primary-accent);
}

.benefit-item h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.benefit-item p {
  color: var(--text-medium);
  line-height: 1.6;
}

/* CTA Section */
.cta-section {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--primary-accent), #0b8378);
  color: white;
  text-align: center;
}

.cta-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-subtitle {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-section .cta-button.primary {
  background: white;
  color: var(--primary-accent);
}

.cta-section .cta-button.primary:hover {
  background: var(--bg-page);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.cta-section .cta-button.secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.cta-section .cta-button.secondary:hover {
  background: white;
  color: var(--primary-accent);
  transform: translateY(-2px);
}

/* Footer Styles */
.footer {
  background: var(--text-dark);
  color: white;
  padding: 3rem 0 1rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section {
  display: flex;
  flex-direction: column;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-logo {
  width: 32px;
  height: 32px;
}

.footer-description {
  color: #94a3b8;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.footer-heading {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: white;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: white;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  color: #94a3b8;
  font-size: 1.25rem;
  transition: color 0.2s;
}

.social-links a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid #334155;
  padding-top: 1.5rem;
  text-align: center;
  color: #94a3b8;
  font-size: 0.875rem;
}

/* Animation Classes */
.animate-on-load {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease forwards;
}

.animate-hidden {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-slider {
    width: 100%;
  }
  
  .featured-grid {
    grid-template-columns: 1fr;
  }
  
  .categories-grid {
    grid-template-columns: 1fr;
  }
  
  .benefits-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-button.primary,
  .cta-button.secondary {
    width: 100%;
    max-width: 300px;
    text-align: center;
  }
  
  .quick-stats {
    gap: 1.5rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-buttons .cta-button {
    width: 100%;
    max-width: 300px;
  }
  
  .search-overlay {
    padding-top: 80px;
  }
  
  .search-container {
    width: 95%;
    max-height: 80vh;
  }
  
  .search-result-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .search-result-button {
    align-self: stretch;
    text-align: center;
    margin-left: 0;
  }

  .language-switcher {
    display: none;
  }

  .mobile-language-switcher {
    display: block;
  }
}

@media (min-width: 769px) {
  .mobile-language-switcher {
    display: none;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 1rem;
  }
  
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .featured-card,
  .category-card {
    padding: 1.5rem;
  }
  
  .quick-stats {
    gap: 1rem;
  }
  
  .stat-number {
    font-size: 1.5rem;
  }
  
  .categories-grid {
    grid-template-columns: 1fr;
  }
  
  .nav-actions {
    gap: 0.5rem;
  }
  
  .search-toggle, .nav-toggle {
    width: 36px;
    height: 36px;
  }
}

/* Enhanced Overview Section */
.overview-section {
  padding: 4rem 0;
  background: var(--bg-page);
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.overview-card {
  background: var(--bg-card);
  border-radius: 1rem;
  padding: 2rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
}

.overview-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.overview-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-accent), #0b8378);
  border-radius: 1rem 1rem 0 0;
}

.overview-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.overview-icon i {
  font-size: 1.5rem;
  color: var(--primary-accent);
}

.overview-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.overview-card p {
  color: var(--text-medium);
  line-height: 1.6;
  margin: 0;
}

/* Use Cases Section */
.use-cases-section {
  padding: 4rem 0;
  background: var(--bg-hero-end);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.use-case-card {
  background: var(--bg-card);
  border-radius: 1rem;
  padding: 2rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.use-case-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.use-case-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.use-case-header i {
  font-size: 1.5rem;
  color: var(--primary-accent);
  width: 50px;
  height: 50px;
  background: var(--primary-accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.use-case-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
  margin: 0;
}

.use-case-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.problem-solution {
  background: var(--info-bg);
  padding: 1rem;
  border-radius: 0.5rem;
  border-left: 4px solid var(--info-text);
}

.problem-solution strong {
  color: var(--info-text);
}

.pro-tip {
  background: var(--success-bg);
  padding: 1rem;
  border-radius: 0.5rem;
  border-left: 4px solid var(--success-text);
}

.pro-tip strong {
  color: var(--success-text);
}

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

.metric {
  background: var(--primary-accent-light);
  color: var(--primary-accent);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
}

/* How-To Guide Section */
.how-to-section {
  padding: 4rem 0;
  background: var(--bg-page);
}

.how-to-content {
  max-width: 800px;
  margin: 3rem auto 0;
}

.how-to-step {
  display: flex;
  gap: 2rem;
  margin-bottom: 3rem;
  align-items: flex-start;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--primary-accent);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  flex-shrink: 0;
}

.step-content {
  flex: 1;
}

.step-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.step-content p {
  color: var(--text-medium);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.quick-tip {
  background: var(--primary-accent-light);
  padding: 1rem;
  border-radius: 0.5rem;
  border-left: 4px solid var(--primary-accent);
}

.quick-tip strong {
  color: var(--primary-accent);
}

/* Tips Section */
.tips-section {
  padding: 4rem 0;
  background: var(--bg-hero-end);
}

.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.tip-card {
  background: var(--bg-card);
  border-radius: 1rem;
  padding: 2rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
}

.tip-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.tip-number {
  position: absolute;
  top: -1rem;
  left: 2rem;
  width: 40px;
  height: 40px;
  background: var(--primary-accent);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
}

.tip-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0.5rem 0 1rem;
  color: var(--text-dark);
}

.tip-card p {
  color: var(--text-medium);
  line-height: 1.6;
  margin: 0;
}

/* FAQ Section */
.faq-section {
  padding: 4rem 0;
  background: var(--bg-page);
}

.faq-grid {
  max-width: 800px;
  margin: 3rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.faq-item {
  background: var(--bg-card);
  border-radius: 1rem;
  padding: 2rem;
  border: 1px solid var(--border-color);
}

.faq-item h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.faq-item p {
  color: var(--text-medium);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.faq-item p:last-child {
  margin-bottom: 0;
}

/* Success Stories Section */
.success-stories-section {
  padding: 4rem 0;
  background: var(--bg-hero-end);
}

.stories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.story-card {
  background: var(--bg-card);
  border-radius: 1rem;
  padding: 2rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.story-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.story-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.story-avatar {
  width: 60px;
  height: 60px;
  background: var(--primary-accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.story-avatar i {
  font-size: 1.5rem;
  color: var(--primary-accent);
}

.story-meta h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
  color: var(--text-dark);
}

.story-meta span {
  color: var(--text-light);
  font-size: 0.875rem;
}

.story-content p {
  color: var(--text-medium);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.story-results {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.result-metric {
  background: var(--primary-accent-light);
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  text-align: center;
  flex: 1;
  min-width: 120px;
}

.result-metric strong {
  display: block;
  font-size: 0.875rem;
  color: var(--primary-accent);
  margin-bottom: 0.25rem;
}

.result-metric span {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-dark);
}

/* Technical Deep Dive Section */
.technical-section {
  padding: 4rem 0;
  background: var(--bg-page);
}

.technical-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.technical-card {
  background: var(--bg-card);
  border-radius: 1rem;
  padding: 2rem;
  border: 1px solid var(--border-color);
}

.technical-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.technical-card p {
  color: var(--text-medium);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.technical-card p:last-child {
  margin-bottom: 0;
}

/* Responsive Design for New Sections */
@media (max-width: 768px) {
  .overview-grid,
  .use-cases-grid,
  .tips-grid,
  .stories-grid,
  .technical-content {
    grid-template-columns: 1fr;
  }
  
  .how-to-step {
    flex-direction: column;
    gap: 1rem;
  }
  
  .step-number {
    align-self: flex-start;
  }
  
  .metrics {
    flex-direction: column;
  }
  
  .story-results {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .overview-card,
  .use-case-card,
  .tip-card,
  .faq-item,
  .story-card,
  .technical-card {
    padding: 1.5rem;
  }
  
  .how-to-content {
    margin-top: 2rem;
  }
}