/* =============================================================================
   LetWorkFlow.io - Main Stylesheet
   ============================================================================= */

/* Google Fonts loaded via HTML <link> for better performance */
@import url('variables.css');

/* =============================================================================
   Reset & Base
   ============================================================================= */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  min-height: 100vh;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* =============================================================================
   Typography
   ============================================================================= */

h1, h2, h3, h4, h5, h6 {
  line-height: var(--line-height-tight);
  font-weight: 700;
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

@media (max-width: 768px) {
  h1 { font-size: var(--font-size-4xl); }
  h2 { font-size: var(--font-size-3xl); }
  h3 { font-size: var(--font-size-2xl); }
}

.text-highlight {
  background: var(--color-highlight);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-muted {
  color: var(--color-text-secondary);
}

.sub-heading {
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

/* =============================================================================
   Layout
   ============================================================================= */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section-sm {
  padding: var(--spacing-lg) 0;
}

.section-lg {
  padding: var(--spacing-4xl) 0;
}

.section-xl {
  padding: var(--spacing-5xl) 0;
}

@media (max-width: 768px) {
  .section {
    padding: var(--spacing-2xl) 0;
  }
  .section-lg, .section-xl {
    padding: var(--spacing-3xl) 0;
  }
}

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

.max-w-lg {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* =============================================================================
   Grid
   ============================================================================= */

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

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-6 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4, .grid-6 {
    grid-template-columns: 1fr;
  }
}

/* =============================================================================
   Buttons
   ============================================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-border-hover);
  background: rgba(255, 255, 255, 0.05);
}

.btn-link {
  background: transparent;
  color: var(--color-text-primary);
  padding: var(--spacing-sm) 0;
}

.btn-link:hover {
  color: var(--color-accent);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
}

/* =============================================================================
   Cards
   ============================================================================= */

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
}

.card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
}

.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.card-text {
  color: var(--color-text-secondary);
}

/* =============================================================================
   Navigation
   ============================================================================= */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

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

.navbar-logo {
  height: 40px;
  width: auto;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.navbar-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--spacing-sm);
}

.navbar-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition-fast);
}

@media (max-width: 768px) {
  .navbar-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-secondary);
    flex-direction: column;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
  }

  .navbar-menu.active {
    display: flex;
  }

  .navbar-toggle {
    display: flex;
  }

  .navbar-actions .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
  }
}

/* =============================================================================
   Hero Section
   ============================================================================= */

.hero {
  padding-top: calc(72px + var(--spacing-md));
  padding-bottom: var(--spacing-md);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  margin-top: var(--spacing-3xl);
  margin-bottom: var(--spacing-lg);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
}

/* Remove bottom margin when description is last element (inner pages) */
.hero-description:last-child {
  margin-bottom: 0;
}

.hero-image {
  margin-top: var(--spacing-lg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

/* =============================================================================
   Features Section
   ============================================================================= */

.features {
  background: var(--color-bg-secondary);
}

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

.feature-card img {
  width: 100%;
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
}

/* =============================================================================
   Pricing Section
   ============================================================================= */

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
}

.pricing-toggle-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.pricing-toggle-btn.active {
  background: var(--color-accent);
  color: white;
}

.pricing-card {
  text-align: center;
  padding: var(--spacing-2xl);
}

.pricing-card.featured {
  border-color: var(--color-accent);
  transform: scale(1.05);
}

.pricing-card .price {
  font-size: var(--font-size-5xl);
  font-weight: 900;
  margin: var(--spacing-lg) 0;
}

.pricing-card .price span {
  font-size: var(--font-size-lg);
  font-weight: 400;
  color: var(--color-text-secondary);
}

.pricing-features {
  text-align: left;
  margin: var(--spacing-xl) 0;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  color: var(--color-text-secondary);
}

.pricing-features li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: bold;
}

/* =============================================================================
   FAQ Section
   ============================================================================= */

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) 0;
  font-size: var(--font-size-lg);
  font-weight: 600;
  text-align: left;
  color: var(--color-text-primary);
}

.faq-question::after {
  content: '+';
  font-size: var(--font-size-2xl);
  color: var(--color-accent);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding-bottom: var(--spacing-lg);
  color: var(--color-text-secondary);
}

.faq-item.active .faq-answer {
  display: block;
}

/* =============================================================================
   Footer
   ============================================================================= */

.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

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

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand p {
  color: var(--color-text-secondary);
  margin-top: var(--spacing-md);
  max-width: 300px;
}

.footer-title {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-lg);
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
}

/* =============================================================================
   Utilities
   ============================================================================= */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }

/* =============================================================================
   Accessibility Enhancements
   ============================================================================= */

/* Skip Navigation Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-accent);
  color: white;
  padding: var(--spacing-md) var(--spacing-lg);
  z-index: 9999;
  font-weight: 700;
  text-decoration: none;
  border-radius: 0 0 var(--radius-md) 0;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
  outline: none;
}

/* Enhanced Focus Indicators */
*:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

*:focus:not(:focus-visible) {
  outline: none;
}

*:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Button Focus */
.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.3);
}

/* Form Input Focus */
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  border-color: var(--color-accent);
}

/* Error States */
.error-message {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.error-message::before {
  content: '!';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  background: var(--color-error);
  color: white;
  border-radius: 50%;
  font-size: 10px;
  font-weight: bold;
}

input[aria-invalid="true"],
textarea[aria-invalid="true"],
select[aria-invalid="true"] {
  border-color: var(--color-error);
}

/* Success States */
.success-message {
  color: var(--color-success);
  font-size: var(--font-size-base);
  padding: var(--spacing-lg);
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-md);
  text-align: center;
}

/* Required Field Indicator */
.required-indicator {
  color: var(--color-error);
  margin-left: 2px;
}

/* Form Group */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:hover,
.form-group textarea:hover,
.form-group select:hover {
  border-color: var(--color-border-hover);
}

/* Trust Signals Section */
.trust-section {
  padding: var(--spacing-xl) 0;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-xl);
  align-items: center;
}

.trust-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.trust-badge-icon {
  font-size: 2rem;
}

/* Testimonial Cards */
.testimonial-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: left;
}

.testimonial-quote {
  font-size: var(--font-size-lg);
  font-style: italic;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
  line-height: var(--line-height-relaxed);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}

.testimonial-info {
  display: flex;
  flex-direction: column;
}

.testimonial-name {
  font-weight: 600;
  color: var(--color-text-primary);
}

.testimonial-role {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Pricing Badge */
.pricing-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--color-accent);
  color: white;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card {
  position: relative;
}

/* Urgency Badge */
.urgency-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

/* Social Proof Counter */
.social-proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-lg);
}

.avatar-stack {
  display: flex;
}

.avatar-stack-item {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--color-bg-primary);
  margin-left: -8px;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-xs);
  font-weight: bold;
}

.avatar-stack-item:first-child {
  margin-left: 0;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .animate-fade-in-up {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

/* Live Region for Screen Readers */
.sr-live {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Visually Hidden (for screen readers) */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* =============================================================================
   Blog Article Styles
   ============================================================================= */

/* Blog Hero - Ensure centered content */
.blog-post .hero {
  padding-top: calc(72px + var(--spacing-2xl));
  padding-bottom: var(--spacing-xl);
}

.blog-post .hero-content {
  margin: 0 auto;
  text-align: center;
}

/* Blog Content Typography */
.blog-content {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.blog-content p {
  margin-bottom: 1.5em;
}

.blog-content .lead {
  font-size: var(--font-size-xl);
  line-height: 1.7;
  color: var(--color-text-primary);
  margin-bottom: 2em;
}

.blog-content h2 {
  font-size: var(--font-size-3xl);
  color: var(--color-text-primary);
  margin-top: 2.5em;
  margin-bottom: 0.75em;
  line-height: 1.3;
}

.blog-content h3 {
  font-size: var(--font-size-2xl);
  color: var(--color-text-primary);
  margin-top: 2em;
  margin-bottom: 0.5em;
  line-height: 1.4;
}

.blog-content h4 {
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

.blog-content ul,
.blog-content ol {
  margin-bottom: 1.5em;
  padding-left: 1.5em;
}

.blog-content ul {
  list-style: disc;
}

.blog-content ol {
  list-style: decimal;
}

.blog-content li {
  margin-bottom: 0.75em;
  line-height: 1.7;
}

.blog-content li strong {
  color: var(--color-text-primary);
}

.blog-content blockquote {
  border-left: 4px solid var(--color-accent);
  padding-left: var(--spacing-lg);
  margin: 2em 0;
  font-style: italic;
  color: var(--color-text-primary);
}

.blog-content code {
  background: var(--color-bg-secondary);
  padding: 0.2em 0.4em;
  border-radius: var(--radius-sm);
  font-family: monospace;
  font-size: 0.9em;
}

.blog-content pre {
  background: var(--color-bg-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: 1.5em;
}

.blog-content pre code {
  background: none;
  padding: 0;
}

.blog-content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.blog-content a:hover {
  color: var(--color-accent-hover);
}

/* Preserve button styling within blog content */
.blog-content a.btn {
  text-decoration: none;
}

.blog-content a.btn-primary {
  color: white;
}

.blog-content a.btn-primary:hover {
  color: white;
}

.blog-content img {
  border-radius: var(--radius-lg);
  margin: 2em 0;
}

/* Blog Post Featured Image */
.blog-featured-image {
  max-width: 800px;
  margin: 0 auto var(--spacing-2xl);
}

.blog-featured-image img {
  width: 100%;
  border-radius: var(--radius-lg);
}

/* Responsive Blog Typography */
@media (max-width: 768px) {
  .blog-content {
    font-size: var(--font-size-base);
  }

  .blog-content .lead {
    font-size: var(--font-size-lg);
  }

  .blog-content h2 {
    font-size: var(--font-size-2xl);
    margin-top: 2em;
  }

  .blog-content h3 {
    font-size: var(--font-size-xl);
  }
}

/* =============================================================================
   Use Cases Section
   ============================================================================= */

#use-cases .use-cases-grid,
.use-cases-grid {
  display: grid !important;
  grid-template-columns: repeat(2, 1fr) !important;
  gap: var(--spacing-xl);
  max-width: 1100px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  #use-cases .use-cases-grid,
  .use-cases-grid {
    grid-template-columns: 1fr !important;
  }
}

.use-case-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
  display: block;
}

.use-case-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.use-case-card .card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-md);
  display: block;
}

.use-case-card .industry-label {
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  display: block;
}

.use-case-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.use-case-card .challenge {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.use-case-card .solution {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
}

/* =============================================================================
   Blog Insights Section (Homepage)
   ============================================================================= */

.blog-insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

@media (max-width: 992px) {
  .blog-insights-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .blog-insights-grid {
    grid-template-columns: 1fr;
  }
}

.blog-insight-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.blog-insight-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.blog-insight-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.blog-insight-card .card-content {
  padding: var(--spacing-lg);
}

.blog-insight-card .card-category {
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.blog-insight-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
}

.blog-insight-card h3 a {
  color: inherit;
  text-decoration: none;
}

.blog-insight-card h3 a:hover {
  color: var(--color-accent);
}

.blog-insight-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

/* =============================================================================
   Newsletter Section
   ============================================================================= */

.newsletter-section {
  background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-secondary) 100%);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-3xl) 0;
}

.newsletter-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.newsletter-content h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-sm);
}

.newsletter-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.newsletter-form {
  display: flex;
  gap: var(--spacing-sm);
  max-width: 460px;
  margin: 0 auto;
}

.newsletter-form input[type="email"] {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
}

.newsletter-form input[type="email"]::placeholder {
  color: var(--color-text-muted);
}

.newsletter-form input[type="email"]:focus {
  outline: none;
  border-color: var(--color-accent);
}

.newsletter-form button {
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--color-accent);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition-fast);
  white-space: nowrap;
}

.newsletter-form button:hover {
  background: var(--color-accent-hover);
}

.newsletter-disclaimer {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--spacing-md);
}

.newsletter-disclaimer a {
  color: var(--color-text-secondary);
  text-decoration: underline;
}

@media (max-width: 640px) {
  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-form button {
    width: 100%;
  }
}

/* =============================================================================
   Service Templates Section
   ============================================================================= */

.service-templates-section {
  background: var(--color-bg-secondary);
}

#templates .service-templates-content,
.service-templates-content {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: var(--spacing-3xl);
  align-items: center;
}

@media (max-width: 992px) {
  #templates .service-templates-content,
  .service-templates-content {
    grid-template-columns: 1fr !important;
    gap: var(--spacing-xl);
  }
}

.service-templates-text {
  text-align: left;
}

.service-templates-text h2 {
  margin-bottom: var(--spacing-md);
  text-align: left;
}

.service-templates-text > p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: var(--line-height-relaxed);
  text-align: left;
}

.service-templates-features {
  list-style: none !important;
  padding: 0 !important;
  margin: 0 0 var(--spacing-xl) 0 !important;
  text-align: left;
}

.service-templates-features li {
  display: flex !important;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
  padding-left: 0;
  text-indent: 0;
}

.service-templates-features li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: 700;
  flex-shrink: 0;
  margin-right: var(--spacing-sm);
}

.service-templates-image {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.service-templates-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* =============================================================================
   Architecture & Reliability Section
   ============================================================================= */

.architecture-section {
  background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

#architecture .architecture-grid,
.architecture-grid {
  display: grid !important;
  grid-template-columns: repeat(2, 1fr) !important;
  gap: var(--spacing-xl);
  max-width: 1100px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  #architecture .architecture-grid,
  .architecture-grid {
    grid-template-columns: 1fr !important;
  }
}

.architecture-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
}

.architecture-card:hover {
  border-color: var(--color-accent);
}

.architecture-card .card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-md);
  color: var(--color-accent);
}

.architecture-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.architecture-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* =============================================================================
   Homepage FAQ Section
   ============================================================================= */

.homepage-faq {
  background: var(--color-bg-primary);
}

.homepage-faq .faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  max-width: 1000px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .homepage-faq .faq-grid {
    grid-template-columns: 1fr;
  }
}

.homepage-faq .faq-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.homepage-faq .faq-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

.homepage-faq .faq-card h3 {
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.homepage-faq .faq-card p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0;
}