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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #333;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Container for consistent max-width and padding */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 3rem 0;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.95);
  color: #2e7d32;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  margin-bottom: 0.75rem;
  color: white;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.subtitle {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 1.5rem;
  font-weight: 300;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-button {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: white;
  color: #667eea;
  text-decoration: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
}

/* Features Section */
.features-section {
  padding: 5rem 0;
  background: #f8f9fa;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  text-align: center;
  margin-bottom: 3rem;
  color: #333;
  font-weight: 700;
}

.section-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: #666;
  margin-top: -2rem;
  margin-bottom: 3rem;
  font-weight: 300;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin: 0 auto;
}

.feature {
  padding: 2rem;
  background: white;
  border-radius: 12px;
  transition: all 0.3s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  text-align: center;
}

.feature:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.feature h3 {
  color: #333;
  margin-bottom: 0.75rem;
  font-size: 1.3rem;
  font-weight: 600;
}

.feature p {
  color: #666;
  line-height: 1.7;
  font-size: 1rem;
}

/* Walkthrough Section */
.walkthrough-section {
  padding: 5rem 0;
  background: white;
}

.walkthrough-steps {
  margin-top: 3rem;
}

.walkthrough-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 5rem;
  position: relative;
}

.walkthrough-step.reverse {
  grid-template-columns: 1fr auto;
}

.walkthrough-step.reverse .step-number {
  grid-column: 2;
  grid-row: 1;
}

.walkthrough-step.reverse .step-content {
  grid-column: 1;
  grid-row: 1;
  text-align: right;
}

.step-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  flex-shrink: 0;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.step-content h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: #333;
  font-weight: 600;
}

.step-content p {
  font-size: 1.1rem;
  color: #666;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.step-content picture {
  display: block;
  width: 100%;
  max-width: 500px; /* Reduced from 800px for steps 1, 2, 4, 6 */
}

/* Larger images for steps 3 and 5 */
.walkthrough-step:nth-child(3) .step-content picture,
.walkthrough-step:nth-child(5) .step-content picture {
  max-width: 700px; /* Slightly smaller than original 800px */
}

.walkthrough-step.reverse .step-content picture {
  margin-left: auto;
}

.step-content img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  border: 1px solid #e0e0e0;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step-content img:hover {
  transform: scale(1.02);
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2);
}

/* CTA Section */
.cta-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  text-align: center;
  color: white;
}

.cta-section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
  font-weight: 700;
}

.cta-section p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.95;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .cta-button {
  background: white;
  color: #667eea;
  padding: 1.2rem 3rem;
  font-size: 1.2rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  .hero-section {
    padding: 2.5rem 0;
  }

  .features-section,
  .walkthrough-section,
  .cta-section {
    padding: 3rem 0;
  }

  .features {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .feature {
    padding: 1.5rem;
    text-align: center;
  }

  .feature-icon {
    display: inline-block;
    margin-bottom: 0;
    margin-right: 0.75rem;
    font-size: 1.8rem;
    vertical-align: middle;
    position: relative;
    top: -2px;
  }

  .feature h3 {
    display: inline-block;
    vertical-align: middle;
    margin-top: 0.3rem;
    margin-bottom: 0.75rem;
  }

  .feature p {
    text-align: left;
  }

  .walkthrough-step {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
  }

  .walkthrough-step.reverse {
    grid-template-columns: 1fr;
  }

  .walkthrough-step .step-number,
  .walkthrough-step.reverse .step-number {
    grid-column: 1;
    grid-row: 1;
    margin: 0 auto 1rem;
  }

  .walkthrough-step .step-content,
  .walkthrough-step.reverse .step-content {
    grid-column: 1;
    grid-row: 2;
    text-align: center;
  }

  .walkthrough-step.reverse .step-content picture {
    margin-left: 0;
  }

  .step-content h3 {
    font-size: 1.3rem;
  }

  .step-content p {
    font-size: 1rem;
  }

  .cta-button {
    padding: 0.9rem 2rem;
    font-size: 1rem;
  }

  .privacy-badge {
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
  }
}

@media (max-width: 480px) {
  .features {
    grid-template-columns: 1fr;
  }

  .feature {
    padding: 1.25rem;
    text-align: center;
  }

  .feature h3 {
    font-size: 1.1rem;
  }

  .feature p {
    font-size: 0.95rem;
    text-align: left;
  }

  .section-title {
    font-size: 1.75rem;
    margin-bottom: 2rem;
  }

  .section-subtitle {
    font-size: 1rem;
    margin-bottom: 2rem;
  }
}

/* Large screens */
@media (min-width: 1400px) {
  .walkthrough-step {
    gap: 4rem;
  }
}

/* Lightbox Styles */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  z-index: 10000;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox.active {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
}

.lightbox-content {
  max-width: 95%;
  max-height: 95%;
  position: relative;
}

.lightbox img {
  width: 100%;
  height: auto;
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
  cursor: default;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 40px;
  font-size: 3rem;
  color: white;
  cursor: pointer;
  font-weight: 300;
  line-height: 1;
  z-index: 10001;
  transition: transform 0.3s ease;
}

.lightbox-close:hover {
  transform: scale(1.2);
}

.lightbox-caption {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: white;
  font-size: 1rem;
  text-align: center;
  padding: 0.5rem 1rem;
  background: rgba(0, 0, 0, 0.7);
  border-radius: 8px;
}