:root {
  --bg: #f8fafc;
  --text: #0f172a;
  --muted: #475569;
  --primary: #f97316;
  --primary-dark: #ea580c;
  --accent: #2563eb;
  --surface: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --radius: 14px;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-2xl: 64px;
  --max-width: 1160px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  padding-bottom: env(safe-area-inset-bottom);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3 {
  line-height: 1.2;
  font-weight: 700;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h3 {
  font-size: 1.25rem;
}

/* Urgency Bar */
.urgency-bar {
  background: linear-gradient(135deg, var(--accent), #1d4ed8);
  color: white;
  padding: var(--spacing-xs) 0;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.urgency-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  font-size: 0.9rem;
  font-weight: 500;
}

.countdown {
  display: flex;
  gap: 2px;
  font-family: 'Courier New', monospace;
  font-weight: bold;
}

.countdown span {
  background: rgba(255, 255, 255, 0.2);
  padding: 4px 8px;
  border-radius: 4px;
  min-width: 24px;
  text-align: center;
}

.urgency-cta {
  background: var(--primary);
  color: white;
  text-decoration: none;
  padding: 6px 16px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.85rem;
  transition: all 0.2s ease;
}

.urgency-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

/* Header */
.header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 40px;
  z-index: 90;
}

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

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.nav-cta {
  background: var(--primary);
  color: white;
  text-decoration: none;
  padding: 8px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  transition: all 0.2s ease;
}

.nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

/* Hero Section */
.hero {
  padding: var(--spacing-2xl) 0;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero-headline {
  margin-bottom: var(--spacing-md);
  color: var(--text);
}

.hero-subheadline {
  font-size: 1.25rem;
  color: var(--muted);
  margin-bottom: var(--spacing-xl);
}

.price-block {
  margin-bottom: var(--spacing-xl);
}

.price-main {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
}

.price-current {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
}

.price-crossed {
  font-size: 1.25rem;
  color: var(--muted);
  text-decoration: line-through;
}

.save-badge {
  background: var(--primary);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

.price-subtext {
  color: var(--muted);
  font-size: 0.875rem;
}

.hero-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

/* CTA Buttons */
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.cta-button.primary {
  background: var(--primary);
  color: white;
}

.cta-button.primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(249, 115, 22, 0.3);
}

.cta-button.secondary {
  background: var(--surface);
  color: var(--text);
  border: 2px solid var(--border);
}

.cta-button.secondary:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.cta-button.large {
  padding: 20px 40px;
  font-size: 1.25rem;
}

.cta-button.loading .cta-text::after {
  content: "Processing...";
}

.cta-button.loading .cta-text {
  opacity: 0;
}

/* Highlights */
.highlights {
  padding: var(--spacing-lg) 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  text-align: center;
}

.highlight-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
}

.highlight-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
}

.highlight-text {
  color: var(--muted);
  font-weight: 500;
}

/* Sections */
.whats-inside,
.what-youll-learn,
.preview-section,
.testimonials,
.faq,
.final-cta {
  padding: var(--spacing-2xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  color: var(--text);
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.feature-card {
  background: var(--surface);
  padding: var(--spacing-xl);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  transition: all 0.2s ease;
}

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

.card-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.card-title {
  margin-bottom: var(--spacing-sm);
  color: var(--text);
}

.card-description {
  color: var(--muted);
}

/* Learn List */
.learn-list {
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
}

.learn-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.check-icon {
  background: var(--primary);
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.learn-cta {
  text-align: center;
}

/* Preview Section */
.preview-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.preview-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.preview-caption {
  font-size: 1.125rem;
  color: var(--muted);
  margin-bottom: var(--spacing-lg);
}

/* Testimonials */
.testimonials {
  background: var(--surface);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.testimonial-card {
  background: var(--bg);
  padding: var(--spacing-xl);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.stars {
  color: #fbbf24;
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
}

.testimonial-text {
  font-style: italic;
  margin-bottom: var(--spacing-md);
  color: var(--text);
}

.testimonial-author strong {
  display: block;
  color: var(--text);
}

.testimonial-author span {
  color: var(--muted);
  font-size: 0.875rem;
}

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

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}

.faq-question:hover {
  color: var(--primary);
}

.faq-icon {
  font-size: 1.5rem;
  color: var(--primary);
  transition: transform 0.2s ease;
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

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

.faq-answer.active {
  max-height: 200px;
}

.faq-answer p {
  padding: 0 0 var(--spacing-md);
  color: var(--muted);
}

/* Final CTA */
.final-cta {
  background: var(--surface);
  text-align: center;
}

.final-cta-content h2 {
  margin-bottom: var(--spacing-md);
}

.final-cta-content p {
  font-size: 1.125rem;
  color: var(--muted);
  margin-bottom: var(--spacing-xl);
}

/* Mobile CTA Bar */
.mobile-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  display: none;
  padding: var(--spacing-sm);
  padding-bottom: calc(var(--spacing-sm) + env(safe-area-inset-bottom));
}

.mobile-cta-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
}

.mobile-price {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.mobile-price-current {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.mobile-price-crossed {
  color: var(--muted);
  text-decoration: line-through;
}

.mobile-cta-button {
  background: var(--primary);
  color: white;
  text-decoration: none;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  transition: all 0.2s ease;
}

.mobile-cta-button:hover {
  background: var(--primary-dark);
}

/* Footer */
.footer {
  background: var(--text);
  color: white;
  padding: var(--spacing-lg) 0;
}

.footer-content {
  text-align: center;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-nav a:hover {
  color: white;
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
  :root {
    --spacing-2xl: var(--spacing-xl);
  }
  
  .hero-content,
  .preview-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .hero-right {
    order: -1;
  }
  
  .cards-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-2xl: var(--spacing-lg);
  }
  
  body {
    padding-bottom: calc(80px + env(safe-area-inset-bottom));
  }
  
  .mobile-cta-bar {
    display: block;
  }
  
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .urgency-content {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .header-content {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }
  
  .nav {
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .highlights-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-nav {
    flex-wrap: wrap;
    gap: var(--spacing-md);
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .price-current {
    font-size: 2rem;
  }
  
  .cta-button {
    padding: 14px 28px;
    font-size: 1rem;
  }
  
  .cta-button.large {
    padding: 16px 32px;
    font-size: 1.125rem;
  }
}