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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: #fafbfc;
  color: #1a1a1a;
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #00b894 0%, #00cec9 100%);
  color: white;
  padding: 80px 0 100px;
  text-align: center;
}

.hero-logo {
  max-width: 450px;
  width: 100%;
  height: auto;
  margin: 0 auto 32px;
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.2;
}

.hero-description {
  font-size: 20px;
  margin-bottom: 40px;
  opacity: 0.95;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.cta-button {
  display: inline-block;
  background: white;
  color: #00b894;
  padding: 16px 48px;
  border-radius: 12px;
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  letter-spacing: 0.3px;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.25);
  background: #f0f9f7;
}

.cta-button-large {
  padding: 20px 60px;
  font-size: 20px;
}

/* Install Buttons */
.install-buttons {
  display: flex;
  gap: 16px;
  margin-top: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.install-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  padding: 12px 24px;
  border-radius: 12px;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 200px;
}

.install-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.install-btn:active {
  transform: translateY(0);
}

.install-icon {
  font-size: 28px;
  line-height: 1;
}

.install-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.install-text strong {
  font-size: 15px;
  font-weight: 700;
  display: block;
  margin-bottom: 2px;
}

.install-text small {
  font-size: 12px;
  opacity: 0.9;
  font-weight: 400;
}

/* Features Section */
.features {
  padding: 80px 0;
  background: white;
}

.features h2 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 60px;
  color: #1a1a1a;
  font-weight: 700;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
}

.feature-card {
  text-align: center;
  padding: 32px 24px;
  background: white;
  border-radius: 16px;
  border: 1px solid #e8eef2;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,184,148,0.15);
  border-color: #00b894;
}

.feature-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 22px;
  margin-bottom: 12px;
  color: #1a1a1a;
  font-weight: 700;
}

.feature-card p {
  color: #4a5568;
  font-size: 16px;
  line-height: 1.7;
}

/* Benefits Section */
.benefits {
  padding: 80px 0;
  background: #f7fafc;
}

.benefits h2 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 60px;
  color: #1a1a1a;
  font-weight: 700;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
}

.benefit-card {
  background: white;
  padding: 32px 24px;
  border-radius: 16px;
  border: 1px solid #e8eef2;
  transition: all 0.3s ease;
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,184,148,0.15);
  border-color: #00b894;
}

.benefit-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
  color: #1a1a1a;
  font-weight: 700;
}

.benefit-card p {
  color: #4a5568;
  font-size: 15px;
  line-height: 1.7;
}

/* FAQ Section */
.faq {
  padding: 80px 0;
  background: white;
}

.faq h2 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 48px;
  color: #1a1a1a;
  font-weight: 700;
}

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

.faq-item {
  background: white;
  border: 1px solid #e8eef2;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
  transition: all 0.3s ease;
}

.faq-item:hover {
  box-shadow: 0 8px 24px rgba(0,184,148,0.1);
  border-color: #00b894;
}

.faq-question {
  font-size: 18px;
  color: #1a1a1a;
  margin-bottom: 12px;
  font-weight: 700;
}

.faq-answer {
  color: #4a5568;
  line-height: 1.7;
  font-size: 15px;
}

.faq-answer strong {
  color: #00b894;
  font-weight: 600;
}

/* Platforms Section */
.platforms {
  padding: 80px 0;
  background: #f7fafc;
}

.platforms h2 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 16px;
  color: #1a1a1a;
  font-weight: 700;
}

.platforms-subtitle {
  text-align: center;
  color: #4a5568;
  font-size: 18px;
  margin-bottom: 48px;
}

.platforms-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.platform-badge {
  background: #f0f9f7;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  color: #00b894;
  border: 2px solid #b2f5ea;
  transition: all 0.3s ease;
}

.platform-badge:hover {
  background: #00b894;
  color: white;
  border-color: #00b894;
  transform: translateY(-2px);
}

/* CTA Section */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #1a1a1a 0%, #2d3748 100%);
  color: white;
  text-align: center;
}

.cta-section h2 {
  font-size: 40px;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 20px;
  margin-bottom: 32px;
  opacity: 0.9;
}

/* Footer */
footer {
  padding: 32px 0;
  text-align: center;
  background: white;
  color: #777;
  font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    padding: 60px 0 80px;
  }
  
  .hero h1 {
    font-size: 32px;
  }
  
  .hero-description {
    font-size: 18px;
  }
  
  .hero-logo {
    max-width: 300px;
  }
  
  .features h2,
  .platforms h2,
  .benefits h2,
  .faq h2 {
    font-size: 28px;
  }
  
  .features,
  .platforms,
  .benefits,
  .faq {
    padding: 60px 0;
  }
  
  .cta-section h2 {
    font-size: 32px;
  }
  
  .features-grid,
  .benefits-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-button {
    padding: 14px 32px;
    font-size: 16px;
  }
  
  .cta-button-large {
    padding: 16px 40px;
    font-size: 18px;
  }
  
  .faq-item {
    padding: 20px;
  }
  
  .faq-question {
    font-size: 16px;
  }
  
  .faq-answer {
    font-size: 14px;
  }
  
  .install-buttons {
    flex-direction: column;
    width: 100%;
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
  }
  
  .install-btn {
    width: 100%;
  }
  
  .pwa-banner {
    bottom: 16px;
    left: 16px;
    right: 16px;
    border-radius: 12px;
  }
  
  .pwa-banner-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .pwa-banner-text {
    flex: 1;
    padding-right: 0;
  }
  
  .pwa-install-btn {
    width: 100%;
    padding: 12px 24px;
  }
  
  .pwa-close-btn {
    position: absolute;
    top: 12px;
    right: 12px;
  }
}

/* PWA Install Banner */
.pwa-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  max-width: 600px;
  width: calc(100% - 48px);
  background: linear-gradient(135deg, #00b894 0%, #00cec9 100%);
  color: white;
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0, 184, 148, 0.4);
  z-index: 9999;
  opacity: 0;
  transform: translateX(-50%) translateY(100px);
}

.pwa-banner-show {
  animation: bounceIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: translateX(-50%) translateY(100px) scale(0.9);
  }
  50% {
    opacity: 1;
    transform: translateX(-50%) translateY(-10px) scale(1.02);
  }
  100% {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
  }
}

.pwa-banner-content {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  position: relative;
}

.pwa-banner-icon {
  font-size: 36px;
  line-height: 1;
  animation: pulseIcon 2s ease-in-out infinite;
}

@keyframes pulseIcon {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

.pwa-banner-text {
  flex: 1;
  padding-right: 100px;
}

.pwa-banner-text strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.pwa-banner-text span {
  display: block;
  font-size: 14px;
  opacity: 0.95;
  line-height: 1.4;
}

.pwa-install-btn {
  background: white;
  color: #00b894;
  border: none;
  padding: 14px 36px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  animation: pulseButton 2s ease-in-out infinite;
}

@keyframes pulseButton {
  0%, 100% {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }
  50% {
    box-shadow: 0 6px 20px rgba(0, 184, 148, 0.3);
  }
}

.pwa-install-btn:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  background: #f0f9f7;
  animation: none;
}

.pwa-install-btn:active {
  transform: translateY(-1px) scale(0.98);
}

.pwa-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  line-height: 1;
}

.pwa-close-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: rotate(90deg);
}