/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: black;
  color: white;
  line-height: 1.6;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Hero section */
.hero {
  position: relative;
  padding: 6rem 0;
  text-align: center;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(37, 99, 235, 0.2), rgba(96, 165, 250, 0.2));
  pointer-events: none;
}

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

h1 {
  font-size: 3.5rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
  background: linear-gradient(to right, #60a5fa, #3b82f6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  font-size: 1.875rem;
  margin-bottom: 2rem;
}

/* Buttons */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: white;
  background: linear-gradient(to right, #3b82f6, #1d4ed8);
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s;
}

.cta-button:hover {
  background: linear-gradient(to right, #2563eb, #1e40af);
}

/* Sections */
section {
  padding: 5rem 0;
}

h2 {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
  background: linear-gradient(to right, #60a5fa, #3b82f6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-align: center;
}

.intro p, .presentation p {
  color: #d1d5db;
  font-size: 1.125rem;
  max-width: 800px;
  margin: 0 auto;
  margin-bottom: 1.5rem;
}

/* Presentation Section */
.presentation-content {
  background: linear-gradient(to right, #111827, #1f2937);
  border-radius: 1rem;
  padding: 2rem;
  margin-top: 2rem;
}

/* Target Audience */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.audience-card {
  background: linear-gradient(to right, #111827, #1f2937);
  padding: 2rem;
  border-radius: 0.5rem;
  transition: transform 0.2s;
}

.audience-card:hover {
  transform: translateY(-5px);
}

.audience-icon {
  width: 2.5rem;
  height: 2.5rem;
  color: #3b82f6;
  margin-bottom: 1rem;
}

.audience-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: #fff;
}

.audience-card p {
  color: #9ca3af;
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.feature-card {
  padding: 1.5rem;
  border-radius: 0.5rem;
  background: linear-gradient(to right, #111827, #1f2937);
  transition: transform 0.2s;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-icon {
  width: 3rem;
  height: 3rem;
  color: #3b82f6;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: #fff;
}

.feature-card p {
  color: #9ca3af;
  margin-bottom: 1rem;
}

.feature-steps {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(156, 163, 175, 0.2);
}

.step {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.step-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: #3b82f6;
}

.feature-list {
  list-style: none;
  margin-top: 1rem;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  color: #9ca3af;
}

.feature-list li i {
  color: #3b82f6;
  width: 1.25rem;
  height: 1.25rem;
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.pricing-card {
  padding: 1.5rem;
  border-radius: 0.5rem;
  background: linear-gradient(to right, #111827, #1f2937);
  text-align: center;
  transition: transform 0.2s;
}

.pricing-card:hover {
  transform: translateY(-5px);
}

.price {
  font-size: 2.25rem;
  font-weight: bold;
  margin: 1rem 0;
  background: linear-gradient(to right, #60a5fa, #3b82f6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.articles {
  color: #9ca3af;
  margin-bottom: 1rem;
}

.features-list {
  list-style: none;
  margin: 1.5rem 0;
  text-align: left;
}

.features-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.features-list i {
  color: #3b82f6;
  width: 1.25rem;
  height: 1.25rem;
}

.pricing-button {
  width: 100%;
  padding: 0.75rem;
  background-color: #3b82f6;
  color: white;
  border: none;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
}

.pricing-button:hover {
  background-color: #2563eb;
}

/* CTA Section */
.cta-section {
  text-align: center;
  padding: 3rem;
  border-radius: 1rem;
  background: linear-gradient(to right, rgba(30, 58, 138, 0.5), rgba(29, 78, 216, 0.5));
}

.cta-section p {
  color: #d1d5db;
  font-size: 1.25rem;
  margin-bottom: 2rem;
}

/* Sticky CTA Bar */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(59, 130, 246, 0.2);
  padding: 1rem 0;
  z-index: 1000;
  transform: translateY(100%);
  animation: slideUp 0.5s ease-out forwards;
  animation-delay: 2s;
}

@keyframes slideUp {
  to {
    transform: translateY(0);
  }
}

.sticky-cta-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.sticky-cta p {
  font-size: 1.125rem;
  color: #d1d5db;
}

/* Responsive design */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.5rem;
  }

  section {
    padding: 3rem 0;
  }

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

  .presentation-content {
    padding: 1.5rem;
  }

  .sticky-cta-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .sticky-cta {
    padding: 1rem;
  }
}