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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #1a1a1a;
  line-height: 1.6;
  background: #ffffff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav {
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  font-family: 'Poppins', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: #0066ff;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  color: #4b5563;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: #0066ff;
}

.hero {
  background: linear-gradient(135deg, #0066ff 0%, #0052cc 100%);
  color: #ffffff;
  padding: 120px 0 100px;
  text-align: center;
}

.hero h1 {
  font-family: 'Poppins', sans-serif;
  font-size: 52px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 24px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero-subtitle {
  font-size: 20px;
  line-height: 1.6;
  max-width: 720px;
  margin: 0 auto 40px;
  color: rgba(255, 255, 255, 0.9);
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  transition: all 0.2s;
  border: 2px solid transparent;
}

.btn-primary {
  background: #ffffff;
  color: #0066ff;
}

.btn-primary:hover {
  background: #f3f4f6;
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
  background: transparent;
  color: #ffffff;
  border-color: #ffffff;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-large {
  padding: 16px 40px;
  font-size: 18px;
}

.features {
  padding: 100px 0;
  background: #f9fafb;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
}

.feature-card {
  background: #ffffff;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: all 0.3s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: #eff6ff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: #0066ff;
}

.feature-card h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 22px;
  margin-bottom: 12px;
  color: #111827;
}

.feature-card p {
  color: #6b7280;
  font-size: 16px;
  line-height: 1.7;
}

.process {
  padding: 100px 0;
}

.section-title {
  font-family: 'Poppins', sans-serif;
  font-size: 40px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 60px;
  color: #111827;
}

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

.timeline-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 32px;
  margin-bottom: 48px;
}

.timeline-marker {
  background: #0066ff;
  color: #ffffff;
  font-weight: 700;
  padding: 12px 0;
  text-align: center;
  border-radius: 8px;
  height: fit-content;
}

.timeline-content h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 22px;
  margin-bottom: 8px;
  color: #111827;
}

.timeline-content p {
  color: #6b7280;
  font-size: 16px;
  line-height: 1.7;
}

.proof {
  padding: 100px 0;
  background: #f9fafb;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
  gap: 40px;
}

.proof-card {
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.proof-image {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.proof-content {
  padding: 32px;
}

.proof-content h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 22px;
  margin-bottom: 12px;
  color: #111827;
}

.proof-content p {
  color: #6b7280;
  font-size: 16px;
  line-height: 1.7;
}

.cta-section {
  padding: 100px 0;
}

.cta-box {
  background: linear-gradient(135deg, #0066ff 0%, #0052cc 100%);
  color: #ffffff;
  padding: 80px 60px;
  border-radius: 16px;
  text-align: center;
}

.cta-box h2 {
  font-family: 'Poppins', sans-serif;
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-box p {
  font-size: 18px;
  margin-bottom: 32px;
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.footer {
  background: #111827;
  color: #9ca3af;
  padding: 40px 0;
  text-align: center;
}

.dashboard-header {
  background: #f9fafb;
  padding: 60px 0 40px;
  border-bottom: 1px solid #e5e7eb;
}

.dashboard-header h1 {
  font-family: 'Poppins', sans-serif;
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #111827;
}

.dashboard-subtitle {
  font-size: 18px;
  color: #6b7280;
  margin-bottom: 16px;
}

.date-range {
  display: inline-block;
  background: #ffffff;
  padding: 8px 20px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  color: #374151;
  border: 1px solid #e5e7eb;
}

.metrics {
  padding: 60px 0;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.metric-card {
  background: #ffffff;
  padding: 32px;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  transition: all 0.2s;
}

.metric-card:hover {
  border-color: #0066ff;
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.1);
}

.metric-label {
  font-size: 14px;
  color: #6b7280;
  font-weight: 500;
  margin-bottom: 8px;
}

.metric-value {
  font-family: 'Poppins', sans-serif;
  font-size: 36px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 8px;
}

.metric-change {
  font-size: 14px;
  font-weight: 600;
}

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

.metric-change.negative {
  color: #ef4444;
}

.platform-breakdown {
  padding: 60px 0;
  background: #f9fafb;
}

.table-wrapper {
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #e5e7eb;
}

.performance-table {
  width: 100%;
  border-collapse: collapse;
}

.performance-table th {
  background: #f9fafb;
  padding: 16px 24px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid #e5e7eb;
}

.performance-table td {
  padding: 20px 24px;
  border-bottom: 1px solid #f3f4f6;
  color: #374151;
  font-size: 15px;
}

.performance-table tbody tr:hover {
  background: #f9fafb;
}

.performance-table .positive {
  color: #10b981;
  font-weight: 600;
}

.performance-table .neutral {
  color: #6b7280;
  font-weight: 600;
}

.campaign-insights {
  padding: 80px 0;
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
}

.insight-card {
  background: #ffffff;
  padding: 32px;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  transition: all 0.2s;
}

.insight-card:hover {
  border-color: #0066ff;
  box-shadow: 0 8px 20px rgba(0, 102, 255, 0.08);
}

.insight-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.insight-header h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 19px;
  font-weight: 600;
  color: #111827;
  flex: 1;
}

.platform-tag {
  background: #eff6ff;
  color: #0066ff;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
}

.insight-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid #f3f4f6;
}

.insight-metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.insight-metric .label {
  font-size: 12px;
  color: #9ca3af;
  font-weight: 500;
}

.insight-metric .value {
  font-size: 20px;
  font-weight: 700;
  color: #111827;
}

.insight-note {
  font-size: 14px;
  color: #6b7280;
  line-height: 1.6;
}

.hero-alt {
  background: #f9fafb;
  padding: 80px 0 60px;
  text-align: center;
  border-bottom: 1px solid #e5e7eb;
}

.hero-alt h1 {
  font-family: 'Poppins', sans-serif;
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
  color: #111827;
}

.hero-alt .hero-subtitle {
  color: #6b7280;
  max-width: 700px;
}

.optimization-modules {
  padding: 80px 0;
}

.module-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 40px;
  margin-bottom: 32px;
}

.module-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.module-header h2 {
  font-family: 'Poppins', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: #111827;
}

.status-badge {
  background: #d1fae5;
  color: #065f46;
  padding: 6px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
}

.module-description {
  font-size: 16px;
  color: #6b7280;
  line-height: 1.7;
  margin-bottom: 32px;
}

.module-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
  padding: 24px;
  background: #f9fafb;
  border-radius: 8px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-size: 32px;
  font-weight: 700;
  color: #0066ff;
}

.stat-label {
  font-size: 13px;
  color: #6b7280;
  font-weight: 500;
}

.module-example {
  background: #fffbeb;
  border-left: 4px solid #f59e0b;
  padding: 20px;
  border-radius: 6px;
}

.module-example h4 {
  font-size: 14px;
  font-weight: 600;
  color: #92400e;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.module-example p {
  font-size: 15px;
  color: #78350f;
  line-height: 1.6;
}

.automation-workflow {
  padding: 80px 0;
  background: #f9fafb;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}

.workflow-step {
  background: #ffffff;
  padding: 32px;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
}

.step-number {
  font-family: 'Poppins', sans-serif;
  font-size: 48px;
  font-weight: 700;
  color: #e5e7eb;
  margin-bottom: 16px;
}

.workflow-step h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 20px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 12px;
}

.workflow-step p {
  font-size: 15px;
  color: #6b7280;
  line-height: 1.7;
}

.proof-section {
  padding: 80px 0;
}

.section-intro {
  text-align: center;
  font-size: 18px;
  color: #6b7280;
  max-width: 700px;
  margin: 0 auto 48px;
}

.proof-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}

.proof-logo {
  height: 48px;
  width: auto;
  opacity: 0.6;
  filter: grayscale(100%);
  transition: all 0.3s;
}

.proof-logo:hover {
  opacity: 1;
  filter: grayscale(0%);
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 36px;
  }
  .hero-subtitle {
    font-size: 18px;
  }
  .section-title {
    font-size: 32px;
  }
  .nav-links {
    gap: 16px;
  }
  .nav-links a {
    font-size: 14px;
  }
  .timeline-item {
    grid-template-columns: 1fr;
  }
  .proof-grid {
    grid-template-columns: 1fr;
  }
  .cta-box {
    padding: 60px 32px;
  }
  .cta-box h2 {
    font-size: 32px;
  }
}