/* =========================================
   Nexora AI - Premium SaaS Concept Stylesheet
   ========================================= */

:root {
  /* Color Palette */
  --bg-dark: #070B14;
  --bg-dark-card: #0F172A;
  --bg-dark-card-hover: #1E293B;
  --bg-light: #FFFFFF;
  --bg-light-alt: #F8FAFC;
  --bg-light-card: #FFFFFF;

  --text-dark-primary: #F8FAFC;
  --text-dark-secondary: #94A3B8;
  --text-light-primary: #0F172A;
  --text-light-secondary: #475569;

  --accent-primary: #3B82F6;
  --accent-hover: #2563EB;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --accent-violet: #8B5CF6;

  --border-dark: rgba(255, 255, 255, 0.08);
  --border-light: #E2E8F0;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.2);

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;

  --max-width: 1200px;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  overflow-wrap: break-word;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-light);
  color: var(--text-light-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Accessibility */
:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
}

.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;
}

/* Typography Helpers */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Concept Notice Banner */
.concept-banner {
  background: linear-gradient(90deg, #1E293B, #0F172A);
  color: #94A3B8;
  text-align: center;
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  font-weight: 500;
  border-bottom: 1px solid var(--border-dark);
}

.concept-banner span {
  color: var(--accent-primary);
  font-weight: 600;
  margin-right: 0.5rem;
}

/* Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-dark);
  transition: background-color var(--transition-normal);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-dark-primary);
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-violet));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 1rem;
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
}

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

.nav-links a {
  text-decoration: none;
  color: var(--text-dark-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--text-dark-primary);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: white;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

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

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

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

.btn-light-secondary:hover,
.btn-light-secondary:focus {
  background-color: var(--bg-light-alt);
  border-color: #cbd5e1;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-dark-primary);
  cursor: pointer;
  padding: 0.5rem;
}

/* Hero Section */
.hero {
  background-color: var(--bg-dark);
  color: var(--text-dark-primary);
  padding: 6rem 0 8rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, rgba(139, 92, 246, 0.05) 50%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  max-width: 600px;
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  background: rgba(59, 130, 246, 0.1);
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.hero h1 {
  font-size: clamp(2.5rem, 4vw, 3.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.hero p {
  font-size: 1.125rem;
  color: var(--text-dark-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

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

/* Hero Custom Product Preview */
.hero-preview {
  background: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  position: relative;
}

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

.preview-dots {
  display: flex;
  gap: 6px;
}

.preview-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #334155;
}

.preview-dot:nth-child(1) { background-color: #EF4444; }
.preview-dot:nth-child(2) { background-color: #F59E0B; }
.preview-dot:nth-child(3) { background-color: #10B981; }

.preview-title {
  font-size: 0.8125rem;
  color: var(--text-dark-secondary);
  font-weight: 500;
}

.preview-body {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 1rem;
  min-height: 260px;
}

.preview-sidebar {
  border-right: 1px solid var(--border-dark);
  padding-right: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.preview-nav-item {
  font-size: 0.8125rem;
  color: var(--text-dark-secondary);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.preview-nav-item.active {
  background-color: rgba(59, 130, 246, 0.15);
  color: var(--accent-primary);
  font-weight: 600;
}

.preview-main-content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.preview-search-bar {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-dark);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: var(--text-dark-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.preview-card-row {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-dark);
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.preview-card-info h4 {
  font-size: 0.8125rem;
  color: var(--text-dark-primary);
  margin-bottom: 0.125rem;
}

.preview-card-info p {
  font-size: 0.6875rem;
  color: var(--text-dark-secondary);
  margin: 0;
}

.preview-badge {
  font-size: 0.625rem;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
  background: rgba(59, 130, 246, 0.2);
  color: var(--accent-primary);
  font-weight: 600;
}

/* Trust Statement */
.trust-statement {
  background-color: var(--bg-dark);
  border-top: 1px solid var(--border-dark);
  padding: 3rem 0;
  text-align: center;
}

.trust-content {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.25rem;
  color: var(--text-dark-secondary);
  font-weight: 400;
  line-height: 1.6;
}

.trust-content strong {
  color: var(--text-dark-primary);
  font-weight: 600;
}

/* Section Common */
section {
  padding: 7rem 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-header h2 {
  font-size: clamp(2rem, 3vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-light-secondary);
  line-height: 1.7;
}

/* Features Section */
.features {
  background-color: var(--bg-light-alt);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.feature-card {
  background-color: var(--bg-light-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-light-primary);
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-light-secondary);
  line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
  background-color: var(--bg-light);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  position: relative;
}

.step-card {
  background-color: var(--bg-light-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  position: relative;
  transition: transform var(--transition-normal);
}

.step-card:hover {
  transform: translateY(-3px);
}

.step-number {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent-primary);
  background: white;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-light);
}

.step-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-light-primary);
}

.step-card p {
  font-size: 0.9375rem;
  color: var(--text-light-secondary);
  line-height: 1.6;
}

/* Interactive Product Preview Section */
.product-preview-section {
  background-color: var(--bg-light-alt);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.dashboard-container {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 520px;
}

.dashboard-sidebar {
  background: #F1F5F9;
  border-right: 1px solid var(--border-light);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.dashboard-sidebar-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748B;
  margin-bottom: 0.75rem;
}

.category-filters {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.category-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.625rem 0.875rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-light-secondary);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
}

.category-btn:hover,
.category-btn:focus {
  background: rgba(0, 0, 0, 0.04);
  color: var(--text-light-primary);
}

.category-btn.active {
  background: var(--accent-primary);
  color: white;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.25);
}

.dashboard-main {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.dashboard-toolbar {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.dashboard-search-input {
  flex: 1;
  padding: 0.625rem 1rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  background: white;
  color: var(--text-light-primary);
  transition: border-color var(--transition-fast);
}

.dashboard-search-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.document-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-height: 380px;
  overflow-y: auto;
}

.document-item {
  background: var(--bg-light-alt);
  border: 1px solid var(--border-light);
  padding: 1rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: border-color var(--transition-fast);
}

.document-item:hover {
  border-color: #cbd5e1;
}

.document-info h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-light-primary);
  margin-bottom: 0.25rem;
}

.document-meta {
  font-size: 0.75rem;
  color: var(--text-light-secondary);
  display: flex;
  gap: 1rem;
}

.document-tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
  background: #E2E8F0;
  color: var(--text-light-secondary);
  font-weight: 500;
}

.no-results {
  text-align: center;
  padding: 3rem;
  color: var(--text-light-secondary);
  font-size: 0.9375rem;
}

/* Pricing Section */
.pricing {
  background-color: var(--bg-light);
}

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

.pricing-card {
  background-color: var(--bg-light-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.pricing-card.featured {
  background-color: white;
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-md);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--accent-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-light-primary);
}

.pricing-header p {
  font-size: 0.875rem;
  color: var(--text-light-secondary);
  margin-bottom: 1.5rem;
}

.pricing-price {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-light-primary);
  margin-bottom: 2rem;
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
}

.pricing-price span {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-light-secondary);
}

.pricing-features {
  list-style: none;
  margin-bottom: 2.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.pricing-features li {
  font-size: 0.9375rem;
  color: var(--text-light-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pricing-features li svg {
  color: var(--accent-primary);
  flex-shrink: 0;
}

.concept-note-box {
  background: rgba(59, 130, 246, 0.05);
  border: 1px dashed rgba(59, 130, 246, 0.3);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: #1E40AF;
  text-align: center;
  margin-bottom: 1.5rem;
}

/* FAQ Section */
.faq {
  background-color: var(--bg-light-alt);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: #cbd5e1;
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-light-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  gap: 1rem;
}

.faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: transform var(--transition-normal);
  color: var(--text-light-secondary);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--accent-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding var(--transition-normal);
  padding: 0 1.5rem;
  font-size: 0.9375rem;
  color: var(--text-light-secondary);
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding-bottom: 1.25rem;
}

/* Final CTA Section */
.cta {
  background-color: var(--bg-dark);
  color: var(--text-dark-primary);
  text-align: center;
  padding: 7rem 0;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  bottom: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, rgba(59, 130, 246, 0.05) 60%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta h2 {
  font-size: clamp(2.25rem, 3.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.cta p {
  font-size: 1.125rem;
  color: var(--text-dark-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

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

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

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.6;
  margin-top: 1rem;
  max-width: 320px;
}

.footer-column h4 {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dark-primary);
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-dark-secondary);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-dark);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
}

.footer-disclaimer {
  color: #64748B;
}

/* Responsive Media Queries */
@media (max-width: 968px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .hero-content {
    margin: 0 auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .dashboard-container {
    grid-template-columns: 1fr;
  }

  .dashboard-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border-light);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }

  .footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .footer-brand .logo {
    justify-content: center;
  }

  .footer-brand p {
    margin-left: auto;
    margin-right: auto;
  }

  .footer-links {
    align-items: center;
  }
}

@media (max-width: 768px) {
  section {
    padding: 4rem 0;
  }

  .hero {
    padding: 4rem 0 5rem;
  }

  .features-grid,
  .steps-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .nav-links,
  .nav-actions .btn-primary {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  /* Mobile Nav Menu Active State */
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background-color: var(--bg-dark);
    padding: 2rem;
    border-bottom: 1px solid var(--border-dark);
    box-shadow: var(--shadow-lg);
    gap: 1.5rem;
    align-items: center;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
    z-index: 1000;
  }

  .nav-links.active a {
    font-size: 1.125rem;
  }

  .preview-body {
    grid-template-columns: 1fr;
  }

  .preview-sidebar {
    display: none;
  }

  .document-item,
  .preview-card-row {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .document-info,
  .preview-card-info {
    min-width: 0;
    flex: 1;
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .hero h1 {
    font-size: 2.125rem;
    line-height: 1.2;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }

  .feature-card,
  .step-card,
  .pricing-card {
    padding: 1.5rem 1.25rem;
  }

  .pricing-price {
    font-size: 2rem;
  }
}