/* ============================================
   ntabs Landing Page - Design System & Styles
   ============================================ */

/* Design Tokens */
.home-page {
  /* Colors */
  --ntabs-primary: #f7b500;
  --ntabs-primary-hover: #e5a800;
  --ntabs-primary-light: rgba(247, 181, 0, 0.1);

  --ntabs-text: #1a1a1a;
  --ntabs-text-secondary: #666;
  --ntabs-text-muted: #999;

  --ntabs-bg: #ffffff;
  --ntabs-bg-secondary: #f8f9fa;
  --ntabs-bg-tertiary: #f0f0f0;

  --ntabs-border: #e5e5e5;
  --ntabs-border-dark: #d0d0d0;

  --ntabs-success: #10b981;
  --ntabs-accent: #2563eb;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
}

/* Base Reset */
.home-page * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.home-page {
  font-family: var(--font-sans);
  color: var(--ntabs-text);
  line-height: 1.6;
  background: var(--ntabs-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100vw;
}

.home-page a {
  color: inherit;
  text-decoration: none;
}

/* ============================================
   Layout
   ============================================ */
.home-page section {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-lg);
}

.home-page .section-title {
  font-size: 2.25rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
}

.home-page .section-subtitle {
  font-size: 1.125rem;
  color: var(--ntabs-text-secondary);
  text-align: center;
  margin-bottom: var(--space-2xl);
}

/* ============================================
   Buttons
   ============================================ */
.home-page .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.home-page .btn-primary {
  background: var(--ntabs-primary);
  color: #000;
}

.home-page .btn-primary:hover {
  background: var(--ntabs-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.home-page .btn-secondary {
  background: transparent;
  color: var(--ntabs-text);
  border: 2px solid var(--ntabs-border-dark);
}

.home-page .btn-secondary:hover {
  border-color: var(--ntabs-text);
  background: var(--ntabs-bg-secondary);
}

.home-page .btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.home-page .btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
}

.home-page .btn-block {
  width: 100%;
}

/* ============================================
   Navbar
   ============================================ */
.home-page .navbar-section {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ntabs-border);
  padding: var(--space-md) var(--space-lg) !important;
  max-width: 100% !important;
}

.home-page .navbar-section nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}

.home-page .navbar-section .logo {
  font-size: 1.25rem;
  font-weight: 700;
}

.home-page .nav-links {
  display: flex;
  gap: var(--space-xl);
}

.home-page .nav-links a {
  font-size: 0.9375rem;
  color: var(--ntabs-text-secondary);
  transition: color var(--transition-fast);
}

.home-page .nav-links a:hover {
  color: var(--ntabs-text);
}

.home-page .nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.home-page .nav-link {
  font-size: 0.9375rem;
  color: var(--ntabs-text-secondary);
}

.home-page .nav-link:hover {
  color: var(--ntabs-text);
}

.home-page .mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

/* ============================================
   Hero Section
   ============================================ */
.home-page .hero-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  padding-top: var(--space-3xl) !important;
  padding-bottom: var(--space-2xl) !important;
  min-height: calc(100vh - 200px);
}

.home-page .hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
}

.home-page .hero-highlight {
  display: block;
  background: linear-gradient(135deg, var(--ntabs-primary) 0%, #ffd700 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.home-page .hero-subtitle {
  font-size: 1.25rem;
  color: var(--ntabs-text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 480px;
}

.home-page .hero-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.home-page .cta-form {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.home-page .input-wrapper {
  display: flex;
  align-items: center;
  background: var(--ntabs-bg);
  border: 2px solid var(--ntabs-border-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.home-page .input-wrapper:focus-within {
  border-color: var(--ntabs-primary);
  box-shadow: 0 0 0 3px var(--ntabs-primary-light);
}

.home-page .domain-prefix {
  padding: 0.75rem 0 0.75rem 1rem;
  font-weight: 600;
  color: var(--ntabs-text-secondary);
  background: var(--ntabs-bg-secondary);
  border-right: 1px solid var(--ntabs-border);
}

.home-page .input-wrapper input {
  flex: 1;
  min-width: 140px;
  padding: 0.75rem;
  border: none;
  outline: none;
  font-size: 1rem;
  font-family: inherit;
  background: transparent;
}

.home-page .input-wrapper input::placeholder {
  color: var(--ntabs-text-muted);
}

.home-page .hero-hint {
  font-size: 0.875rem;
  color: var(--ntabs-text-muted);
}

/* Demo Visual */
.home-page .hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.home-page .demo-container {
  width: 100%;
  max-width: 500px;
  background: var(--ntabs-bg);
  border: 1px solid var(--ntabs-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.home-page .demo-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--ntabs-bg-secondary);
  border-bottom: 1px solid var(--ntabs-border);
}

.home-page .demo-dots {
  display: flex;
  gap: 6px;
}

.home-page .demo-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ntabs-border-dark);
}

.home-page .demo-dots span:first-child { background: #ff5f56; }
.home-page .demo-dots span:nth-child(2) { background: #ffbd2e; }
.home-page .demo-dots span:last-child { background: #27ca40; }

.home-page .demo-url {
  font-size: 0.8125rem;
  color: var(--ntabs-text-muted);
  font-family: var(--font-mono);
}

.home-page .demo-content {
  padding: var(--space-xl);
}

.home-page .demo-editor {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
}

.home-page .demo-editor pre {
  margin: 0;
  white-space: pre-wrap;
}

.home-page .demo-editor .md-h1 {
  color: var(--ntabs-accent);
  font-weight: 600;
}

.home-page .demo-editor .md-em {
  color: var(--ntabs-primary);
}

.home-page .demo-editor .md-list {
  color: var(--ntabs-success);
}

/* ============================================
   Social Proof
   ============================================ */
.home-page .social-proof-section {
  background: var(--ntabs-bg-secondary);
  padding: var(--space-xl) var(--space-lg) !important;
  border-top: 1px solid var(--ntabs-border);
  border-bottom: 1px solid var(--ntabs-border);
  max-width: 100% !important;
}

.home-page .social-proof-content {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2xl);
  max-width: 800px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.home-page .social-stat {
  text-align: center;
}

.home-page .stat-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ntabs-text);
}

.home-page .stat-label {
  font-size: 0.875rem;
  color: var(--ntabs-text-secondary);
}

.home-page .social-divider {
  width: 1px;
  height: 40px;
  background: var(--ntabs-border-dark);
}

.home-page .social-rating {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.home-page .stars {
  display: flex;
  gap: 2px;
  color: var(--ntabs-primary);
}

.home-page .rating-text {
  font-weight: 600;
  color: var(--ntabs-text);
}

/* ============================================
   How It Works
   ============================================ */
.home-page .how-it-works-section {
  background: var(--ntabs-bg);
}

.home-page .steps-grid {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: var(--space-lg);
}

.home-page .step {
  flex: 1;
  max-width: 280px;
  text-align: center;
  padding: var(--space-xl);
}

.home-page .step-number {
  width: 32px;
  height: 32px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ntabs-primary);
  color: #000;
  font-weight: 700;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
}

.home-page .step-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--ntabs-text-secondary);
}

.home-page .step h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.home-page .step p {
  font-size: 0.9375rem;
  color: var(--ntabs-text-secondary);
}

.home-page .step-arrow {
  display: flex;
  align-items: center;
  padding-top: 80px;
  color: var(--ntabs-border-dark);
}

/* ============================================
   Use Cases
   ============================================ */
.home-page .use-cases-section {
  background: var(--ntabs-bg-secondary);
}

.home-page .use-cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.home-page .use-case-card {
  background: var(--ntabs-bg);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--ntabs-border);
  transition: all var(--transition-base);
}

.home-page .use-case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--ntabs-primary);
}

.home-page .use-case-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ntabs-primary-light);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  color: var(--ntabs-primary);
}

.home-page .use-case-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.home-page .use-case-card p {
  font-size: 0.9375rem;
  color: var(--ntabs-text-secondary);
  margin-bottom: var(--space-lg);
}

.home-page .use-case-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ntabs-primary);
  transition: gap var(--transition-fast);
}

.home-page .use-case-link:hover {
  gap: var(--space-sm);
}

/* ============================================
   Features Grid
   ============================================ */
.home-page .features-section {
  background: var(--ntabs-bg);
}

.home-page .features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  max-width: 900px;
  margin: 0 auto;
}

.home-page .feature-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--ntabs-bg-secondary);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 500;
}

.home-page .feature-item svg {
  flex-shrink: 0;
  color: var(--ntabs-success);
}

/* ============================================
   Pricing
   ============================================ */
.home-page .pricing-section {
  background: var(--ntabs-bg-secondary);
}

.home-page .pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  max-width: 1000px;
  margin: 0 auto;
}

.home-page .pricing-card {
  background: var(--ntabs-bg);
  border: 2px solid var(--ntabs-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  position: relative;
  display: flex;
  flex-direction: column;
}

.home-page .pricing-card-featured {
  border-color: var(--ntabs-primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.02);
}

.home-page .pricing-card-yearly {
  border-color: var(--ntabs-primary);
  background: linear-gradient(to bottom, #fffbe6, var(--ntabs-bg));
}

.home-page .pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ntabs-text);
  color: var(--ntabs-bg);
  padding: 0.25rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.home-page .pricing-badge-value {
  background: var(--ntabs-primary);
  color: #000;
}

.home-page .pricing-header {
  text-align: center;
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--ntabs-border);
  margin-bottom: var(--space-lg);
}

.home-page .pricing-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.home-page .pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-xs);
}

.home-page .price-amount {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.home-page .price-period {
  font-size: 1rem;
  color: var(--ntabs-text-secondary);
}

.home-page .pricing-term {
  font-size: 0.875rem;
  color: var(--ntabs-text-muted);
  margin-top: var(--space-xs);
}

.home-page .pricing-equivalent {
  font-size: 0.875rem;
  color: var(--ntabs-text-secondary);
  margin-top: var(--space-xs);
}

.home-page .pricing-savings {
  display: inline-block;
  background: var(--ntabs-primary-light);
  color: #b48a00;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-top: var(--space-sm);
}

.home-page .pricing-features {
  list-style: none;
  flex: 1;
  margin-bottom: var(--space-lg);
}

.home-page .pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  font-size: 0.9375rem;
}

.home-page .pricing-features svg {
  flex-shrink: 0;
  color: var(--ntabs-success);
}

.home-page .pricing-offer {
  text-align: center;
  font-size: 0.8125rem;
  color: #b48a00;
  margin-top: var(--space-md);
}

/* ============================================
   Testimonials
   ============================================ */
.home-page .testimonials-section {
  background: var(--ntabs-bg);
}

.home-page .testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.home-page .testimonial-card {
  background: var(--ntabs-bg-secondary);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--ntabs-border);
}

.home-page .testimonial-quote {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ntabs-text);
  margin-bottom: var(--space-lg);
  font-style: italic;
}

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

.home-page .testimonial-avatar {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ntabs-primary);
  color: #000;
  font-weight: 700;
  border-radius: var(--radius-full);
}

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

.home-page .testimonial-name {
  font-weight: 600;
  font-size: 0.9375rem;
}

.home-page .testimonial-role {
  font-size: 0.8125rem;
  color: var(--ntabs-text-secondary);
}

/* ============================================
   Final CTA
   ============================================ */
.home-page .final-cta-section {
  background: var(--ntabs-text);
  color: var(--ntabs-bg);
  text-align: center;
  border-radius: var(--radius-xl);
  margin: var(--space-2xl) auto;
  max-width: 1000px !important;
}

.home-page .final-cta-section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.home-page .final-cta-section p {
  font-size: 1.125rem;
  opacity: 0.8;
  margin-bottom: var(--space-xl);
}

.home-page .cta-form-large {
  justify-content: center;
}

.home-page .input-wrapper-large {
  background: var(--ntabs-bg);
}

.home-page .input-wrapper-large .domain-prefix {
  background: var(--ntabs-bg-secondary);
}

/* ============================================
   Footer
   ============================================ */
.home-page .footer-section {
  background: var(--ntabs-bg-secondary);
  padding: var(--space-3xl) var(--space-lg) var(--space-xl) !important;
  max-width: 100% !important;
  border-top: 1px solid var(--ntabs-border);
}

.home-page .footer-content {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3xl);
  max-width: 1200px;
  margin: 0 auto var(--space-2xl);
}

.home-page .footer-brand {
  max-width: 300px;
}

.home-page .footer-logo {
  font-size: 1.5rem;
  font-weight: 700;
  display: block;
  margin-bottom: var(--space-sm);
}

.home-page .footer-brand p {
  font-size: 0.9375rem;
  color: var(--ntabs-text-secondary);
}

.home-page .footer-links {
  display: flex;
  gap: var(--space-3xl);
}

.home-page .footer-column h4 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ntabs-text-muted);
  margin-bottom: var(--space-md);
}

.home-page .footer-column a {
  display: block;
  font-size: 0.9375rem;
  color: var(--ntabs-text-secondary);
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.home-page .footer-column a:hover {
  color: var(--ntabs-text);
}

.home-page .footer-bottom {
  text-align: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--ntabs-border);
  max-width: 1200px;
  margin: 0 auto;
}

.home-page .footer-bottom p {
  font-size: 0.875rem;
  color: var(--ntabs-text-muted);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  .home-page .hero-section {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-2xl);
  }

  .home-page .hero-title {
    font-size: 2.75rem;
  }

  .home-page .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .home-page .hero-cta {
    align-items: center;
  }

  .home-page .cta-form {
    flex-direction: column;
    align-items: center;
  }

  .home-page .hero-visual {
    order: -1;
  }

  .home-page .demo-container {
    max-width: 400px;
  }

  .home-page .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .home-page .pricing-card-featured {
    transform: none;
  }
}

@media (max-width: 768px) {
  .home-page .section-title {
    font-size: 1.75rem;
  }

  .home-page .nav-links {
    display: none;
  }

  .home-page .mobile-menu-toggle {
    display: block;
  }

  .home-page .nav-actions {
    display: none;
  }

  .home-page .hero-title {
    font-size: 2.25rem;
  }

  .home-page .hero-subtitle {
    font-size: 1.125rem;
  }

  .home-page .steps-grid {
    flex-direction: column;
    align-items: center;
  }

  .home-page .step-arrow {
    transform: rotate(90deg);
    padding: var(--space-md) 0;
  }

  .home-page .use-cases-grid {
    grid-template-columns: 1fr;
  }

  .home-page .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .home-page .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .home-page .footer-content {
    flex-direction: column;
    gap: var(--space-2xl);
  }

  .home-page .footer-links {
    flex-wrap: wrap;
    gap: var(--space-xl);
  }

  .home-page .social-proof-content {
    gap: var(--space-lg);
  }

  .home-page .social-divider {
    display: none;
  }
}

@media (max-width: 480px) {
  .home-page section {
    padding: var(--space-2xl) var(--space-md);
  }

  .home-page .hero-title {
    font-size: 1.875rem;
  }

  .home-page .features-grid {
    grid-template-columns: 1fr;
  }

  .home-page .input-wrapper {
    flex-direction: column;
    align-items: stretch;
  }

  .home-page .domain-prefix {
    border-right: none;
    border-bottom: 1px solid var(--ntabs-border);
    text-align: center;
  }

  .home-page .final-cta-section {
    border-radius: 0;
    margin: 0;
  }
}

/* ============================================
   Animations
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
  .home-page .use-case-card,
  .home-page .pricing-card,
  .home-page .testimonial-card {
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  }

  .home-page .btn {
    transition: all var(--transition-base);
  }

  /* Scroll-driven animation for sections */
  @supports (animation-timeline: view()) {
    .home-page .how-it-works-section,
    .home-page .use-cases-section,
    .home-page .features-section,
    .home-page .pricing-section,
    .home-page .testimonials-section {
      animation: fadeInUp 1s ease forwards;
      animation-timeline: view();
      animation-range: entry 0% cover 40%;
    }

    @keyframes fadeInUp {
      0% {
        opacity: 0.2;
        transform: translateY(20px);
      }
      100% {
        opacity: 1;
        transform: translateY(0);
      }
    }
  }
}

/* ============================================
   Dark Mode Support (future)
   ============================================ */
@media (prefers-color-scheme: dark) {
  /* Ready for dark mode implementation */
}