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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: #1f2937;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e5e7eb;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo h2 {
  color: #4f46e5;
  font-weight: 700;
  font-size: 1.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: #6b7280;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #4f46e5;
}

.mobile-menu-toggle {
  display: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: #4f46e5;
}

/* Buttons */
.btn-primary, .btn-secondary {
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px 0 rgba(79, 70, 229, 0.35);
}

.btn-secondary {
  background: #f9fafb;
  color: #374151;
  border: 1px solid #d1d5db;
}

.btn-secondary:hover {
  background: #f3f4f6;
  border-color: #9ca3af;
}

.btn-large {
  padding: 16px 32px;
  font-size: 1.1rem;
}

.btn-full {
  width: 100%;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.05"><circle cx="7" cy="7" r="1"/><circle cx="27" cy="7" r="1"/><circle cx="47" cy="7" r="1"/><circle cx="7" cy="27" r="1"/><circle cx="27" cy="27" r="1"/><circle cx="47" cy="27" r="1"/><circle cx="7" cy="47" r="1"/><circle cx="27" cy="47" r="1"/><circle cx="47" cy="47" r="1"/></g></g></svg>');
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 2rem;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: #fbbf24;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Dashboard Mockup */
.dashboard-mockup {
  background: white;
  border-radius: 12px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  overflow: hidden;
  transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
}

.mockup-header {
  background: #f3f4f6;
  padding: 12px 16px;
  border-bottom: 1px solid #e5e7eb;
}

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

.mockup-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #d1d5db;
}

.mockup-dots span:first-child {
  background: #ef4444;
}

.mockup-dots span:nth-child(2) {
  background: #f59e0b;
}

.mockup-dots span:nth-child(3) {
  background: #10b981;
}

.mockup-content {
  display: flex;
  height: 300px;
}

.mockup-sidebar {
  background: #f9fafb;
  width: 200px;
  padding: 20px 0;
  border-right: 1px solid #e5e7eb;
}

.sidebar-item {
  padding: 12px 20px;
  color: #6b7280;
  font-size: 0.9rem;
  cursor: pointer;
}

.sidebar-item.active {
  background: #4f46e5;
  color: white;
}

.mockup-main {
  flex: 1;
  padding: 20px;
}

.chart-placeholder {
  background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
  height: 150px;
  border-radius: 8px;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
}

.growth-chart {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.metrics-row {
  display: flex;
  gap: 15px;
}

.metric-card {
  background: #f8fafc;
  padding: 15px;
  border-radius: 8px;
  flex: 1;
  text-align: center;
  position: relative;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1f2937;
}

.metric-label {
  font-size: 0.8rem;
  color: #6b7280;
  margin-top: 4px;
}

.metric-trend {
  font-size: 0.75rem;
  margin-top: 4px;
  font-weight: 600;
}

.metric-trend.positive {
  color: #10b981;
}

/* Sections */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #1f2937;
}

.section-header p {
  font-size: 1.1rem;
  color: #6b7280;
  max-width: 600px;
  margin: 0 auto;
}

/* Features Section */
.features {
  padding: 100px 0;
  background: #f9fafb;
}

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

.feature-card {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 1px solid #e5e7eb;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.feature-icon i {
  font-size: 1.5rem;
  color: white;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #1f2937;
}

.feature-card p {
  color: #6b7280;
  line-height: 1.6;
}

/* Use Cases Section */
.use-cases {
  padding: 100px 0;
}

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

.use-case-card {
  background: white;
  padding: 2.5rem;
  border-radius: 16px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
  border: 1px solid #e5e7eb;
}

.use-case-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.use-case-icon i {
  font-size: 2rem;
  color: white;
}

.use-case-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #1f2937;
}

.use-case-card p {
  color: #6b7280;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.use-case-card ul {
  list-style: none;
}

.use-case-card li {
  padding: 0.5rem 0;
  color: #4b5563;
  position: relative;
  padding-left: 1.5rem;
}

.use-case-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #10b981;
  font-weight: bold;
}

/* Screenshots Section */
.screenshots {
  padding: 100px 0;
  background: #f9fafb;
}

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

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

.screenshot-mockup {
  background: white;
  border-radius: 12px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.screenshot-mockup .mockup-header {
  background: #f3f4f6;
  padding: 12px 16px;
  border-bottom: 1px solid #e5e7eb;
  font-size: 0.9rem;
  font-weight: 600;
  color: #374151;
}

.screenshot-mockup .mockup-body {
  padding: 20px;
  min-height: 200px;
}

.campaign-builder .form-field {
  margin-bottom: 15px;
  text-align: left;
}

.campaign-builder label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 5px;
  color: #374151;
}

.campaign-builder .select-field,
.campaign-builder .input-field {
  background: #f9fafb;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 0.9rem;
}

.campaign-preview {
  margin-top: 20px;
}

.preview-box {
  background: #e0e7ff;
  border: 2px dashed #4f46e5;
  border-radius: 8px;
  padding: 30px;
  color: #4f46e5;
  font-weight: 500;
}

.analytics-chart {
  background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
  height: 100px;
  border-radius: 8px;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
}

.analytics-svg {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.analytics-metrics {
  display: flex;
  gap: 15px;
}

.analytics-metrics .metric {
  background: #f8fafc;
  padding: 10px;
  border-radius: 6px;
  flex: 1;
  text-align: center;
}

.metric-growth {
  font-size: 0.8rem;
  color: #10b981;
  font-weight: 600;
  margin-top: 4px;
}

.mobile-app {
  width: 200px;
  margin: 0 auto;
  background: #1f2937;
  border-radius: 20px;
  padding: 10px;
}

.mobile-header {
  background: #000;
  height: 20px;
  border-radius: 15px 15px 0 0;
  position: relative;
}

.mobile-notch {
  position: absolute;
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 4px;
  background: #374151;
  border-radius: 2px;
}

.mobile-body {
  background: white;
  border-radius: 0 0 10px 10px;
  padding: 15px 10px;
  min-height: 180px;
}

.mobile-nav {
  display: flex;
  justify-content: space-between;
  margin-bottom: 15px;
  font-size: 0.8rem;
}

.mobile-nav .nav-item {
  padding: 5px 8px;
  border-radius: 4px;
}

.mobile-nav .nav-item.active {
  background: #4f46e5;
  color: white;
}

.campaign-card {
  background: #f9fafb;
  border-radius: 8px;
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.campaign-status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
}

.campaign-info h5 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.campaign-info p {
  font-size: 0.8rem;
  color: #6b7280;
}

.screenshot-item h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #1f2937;
}

.screenshot-item p {
  color: #6b7280;
}

/* Pricing Section */
.pricing {
  padding: 100px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  padding: 2.5rem;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
  border-color: #4f46e5;
  box-shadow: 0 20px 25px -5px rgba(79, 70, 229, 0.1);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  color: white;
  padding: 6px 20px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.pricing-header {
  text-align: center;
  margin-bottom: 2rem;
}

.pricing-header h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #1f2937;
}

.price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  margin-bottom: 1rem;
}

.currency {
  font-size: 1.5rem;
  color: #6b7280;
}

.amount {
  font-size: 3rem;
  font-weight: 700;
  color: #1f2937;
}

.period {
  font-size: 1rem;
  color: #6b7280;
  margin-left: 4px;
}

.pricing-header p {
  color: #6b7280;
}

.pricing-features ul {
  list-style: none;
  margin-bottom: 2rem;
}

.pricing-features li {
  padding: 0.75rem 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pricing-features .fa-check {
  color: #10b981;
  font-size: 0.9rem;
}

/* Testimonials Section */
.testimonials {
  padding: 100px 0;
  background: #f9fafb;
}

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

.testimonial-card {
  background: white;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.testimonial-content p {
  font-size: 1.1rem;
  line-height: 1.6;
  color: #374151;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  overflow: hidden;
}

.author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-info h4 {
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.25rem;
}

.author-info p {
  color: #6b7280;
  font-size: 0.9rem;
}

/* FAQ Section */
.faq {
  padding: 100px 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid #e5e7eb;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  cursor: pointer;
  transition: all 0.3s ease;
}

.faq-question:hover {
  color: #4f46e5;
}

.faq-question h3 {
  font-size: 1.1rem;
  font-weight: 600;
}

.faq-question i {
  transition: transform 0.3s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding-bottom: 1.5rem;
}

.faq-answer p {
  color: #6b7280;
  line-height: 1.6;
}

/* Final CTA Section */
.final-cta {
  padding: 100px 0;
  background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
  color: white;
  text-align: center;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

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

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.cta-guarantee {
  opacity: 0.8;
}

.cta-guarantee i {
  margin-right: 0.5rem;
  color: #10b981;
}

/* Footer */
.footer {
  background: #1f2937;
  color: white;
  padding: 60px 0 30px;
}

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

.footer-section h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #4f46e5;
}

.footer-section h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-section p {
  opacity: 0.8;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: #d1d5db;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: #4f46e5;
}

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

.social-links a {
  width: 40px;
  height: 40px;
  background: #374151;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: #4f46e5;
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  opacity: 0.8;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

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

  .section-header h2 {
    font-size: 2rem;
  }

  .features-grid,
  .use-cases-grid,
  .screenshots-grid,
  .pricing-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .final-cta .cta-content h2 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .hero {
    padding: 100px 0 60px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

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

  .pricing-card,
  .feature-card,
  .use-case-card {
    padding: 1.5rem;
  }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Animation classes */
.fade-in {
  animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.scale-in {
  animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}