.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.landing-nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.landing-nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-primary);
}

.landing-nav-logo-icon {
  font-size: 24px;
}

.landing-nav-logo-text {
  font-size: 18px;
  font-weight: 600;
}

.landing-nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.landing-hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 20px 60px;
  position: relative;
  overflow: hidden;
}

.landing-hero-content {
  text-align: center;
  color: white;
  position: relative;
  z-index: 1;
  max-width: 600px;
}

.landing-hero-icon {
  font-size: 80px;
  margin-bottom: 16px;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

.landing-hero-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 12px;
}

.landing-hero-subtitle {
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 16px;
  opacity: 0.95;
}

.landing-hero-desc {
  font-size: 16px;
  opacity: 0.85;
  margin-bottom: 32px;
  line-height: 1.6;
}

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

.landing-hero-decoration {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.landing-hero-circle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.landing-hero-circle-1 {
  width: 300px;
  height: 300px;
  top: -100px;
  right: -100px;
}

.landing-hero-circle-2 {
  width: 200px;
  height: 200px;
  bottom: 10%;
  left: -50px;
}

.landing-hero-circle-3 {
  width: 150px;
  height: 150px;
  top: 30%;
  right: 10%;
}

.landing-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

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

.landing-section-title {
  font-size: 32px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.landing-section-subtitle {
  font-size: 16px;
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 48px;
}

.landing-features {
  background: var(--bg-primary);
}

.landing-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.landing-feature-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

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

.landing-feature-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.landing-feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.landing-flow {
  background: var(--bg-secondary);
}

.landing-flow-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.landing-flow-step {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  flex: 1;
  max-width: 280px;
  position: relative;
}

.landing-flow-number {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
}

.landing-flow-icon {
  font-size: 48px;
  margin-bottom: 16px;
  margin-top: 8px;
}

.landing-flow-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.landing-flow-desc {
  font-size: 14px;
  color: var(--text-secondary);
}

.landing-flow-arrow {
  font-size: 24px;
  color: var(--primary);
  font-weight: 600;
}

.landing-scenarios {
  background: var(--bg-primary);
}

.landing-scenarios-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.landing-scenario-card {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  color: white;
  transition: transform 0.3s ease;
}

.landing-scenario-card:hover {
  transform: scale(1.02);
}

.landing-scenario-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.landing-scenario-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.landing-scenario-desc {
  font-size: 14px;
  opacity: 0.9;
}

.landing-testimonials {
  background: var(--bg-secondary);
}

.landing-testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.landing-testimonial-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
}

.landing-testimonial-content {
  margin-bottom: 20px;
}

.landing-testimonial-content p {
  font-size: 15px;
  color: var(--text-primary);
  line-height: 1.6;
  font-style: italic;
}

.landing-testimonial-content p::before {
  content: '"';
  font-size: 24px;
  color: var(--primary);
  line-height: 0;
  vertical-align: -6px;
  margin-right: 4px;
}

.landing-testimonial-content p::after {
  content: '"';
  font-size: 24px;
  color: var(--primary);
  line-height: 0;
  vertical-align: -6px;
  margin-left: 4px;
}

.landing-testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.landing-testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 18px;
}

.landing-testimonial-info {
  flex: 1;
}

.landing-testimonial-name {
  font-weight: 600;
  color: var(--text-primary);
}

.landing-testimonial-role {
  font-size: 13px;
  color: var(--text-secondary);
}

.landing-faq {
  background: var(--bg-primary);
}

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

.landing-faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  overflow: hidden;
}

.landing-faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 500;
  color: var(--text-primary);
  transition: background 0.3s ease;
}

.landing-faq-question:hover {
  background: var(--bg-secondary);
}

.landing-faq-arrow {
  font-size: 12px;
  color: var(--text-secondary);
  transition: transform 0.3s ease;
}

.landing-faq-item.active .landing-faq-arrow {
  transform: rotate(180deg);
}

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

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

.landing-faq-answer p {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.landing-cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 80px 20px;
  text-align: center;
  color: white;
}

.landing-cta-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
}

.landing-cta-subtitle {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 32px;
}

.landing-cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 20px;
}

.landing-cta-login {
  font-size: 14px;
  opacity: 0.8;
}

.landing-cta-login a {
  color: white;
  text-decoration: underline;
}

.landing-footer {
  background: #1a1a1a;
  color: white;
  padding: 48px 20px 24px;
}

.landing-footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.landing-footer-logo {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.landing-footer-slogan {
  font-size: 14px;
  opacity: 0.7;
}

.landing-footer-links {
  display: flex;
  gap: 24px;
}

.landing-footer-links a {
  color: white;
  opacity: 0.7;
  font-size: 14px;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.landing-footer-links a:hover {
  opacity: 1;
}

.landing-footer-copyright {
  text-align: center;
}

.landing-footer-copyright p {
  font-size: 13px;
  opacity: 0.5;
}

.pwa-install-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.pwa-install-modal.active {
  opacity: 1;
  visibility: visible;
}

.pwa-install-content {
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 400px;
  width: 90%;
  text-align: center;
  position: relative;
}

.pwa-install-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-secondary);
  cursor: pointer;
}

.pwa-install-icon {
  font-size: 64px;
  margin-bottom: 16px;
}

.pwa-install-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.pwa-install-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.pwa-install-guide {
  margin-bottom: 24px;
}

.pwa-ios-guide {
  text-align: left;
}

.pwa-ios-step {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

.pwa-ios-step:last-child {
  border-bottom: none;
}

.pwa-ios-step-num {
  width: 24px;
  height: 24px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
}

.pwa-ios-step span {
  flex: 1;
  font-size: 14px;
  color: var(--text-primary);
}

.pwa-ios-icon {
  font-size: 20px;
}

.pwa-install-actions {
  display: flex;
  gap: 12px;
}

.pwa-install-actions .btn {
  flex: 1;
}

.btn-white {
  background: white;
  color: var(--primary);
  border: none;
}

.btn-white:hover {
  background: #f5f5f5;
}

.btn-outline-white {
  background: transparent;
  color: white;
  border: 2px solid white;
}

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

.btn-outline-light {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-outline-light:hover {
  background: var(--bg-secondary);
}

.btn-icon {
  margin-right: 8px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}

@media (max-width: 992px) {
  .landing-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .landing-scenarios-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .landing-testimonials-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .landing-hero-title {
    font-size: 32px;
  }

  .landing-hero-subtitle {
    font-size: 18px;
  }

  .landing-hero-desc {
    font-size: 14px;
  }

  .landing-hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .landing-hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }

  .landing-section {
    padding: 60px 0;
  }

  .landing-section-title {
    font-size: 24px;
  }

  .landing-section-subtitle {
    font-size: 14px;
    margin-bottom: 32px;
  }

  .landing-features-grid {
    grid-template-columns: 1fr;
  }

  .landing-flow-steps {
    flex-direction: column;
  }

  .landing-flow-arrow {
    transform: rotate(90deg);
  }

  .landing-flow-step {
    max-width: 100%;
  }

  .landing-scenarios-grid {
    grid-template-columns: 1fr;
  }

  .landing-cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .landing-cta-actions .btn {
    width: 100%;
    max-width: 280px;
  }

  .landing-footer-content {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }

  .landing-footer-links {
    justify-content: center;
    flex-wrap: wrap;
  }

  .landing-nav-container {
    padding: 10px 16px;
  }

  .landing-nav-logo-text {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .landing-hero {
    padding: 80px 16px 40px;
  }

  .landing-hero-icon {
    font-size: 60px;
  }

  .landing-hero-title {
    font-size: 28px;
  }

  .landing-hero-subtitle {
    font-size: 16px;
  }

  .landing-feature-card,
  .landing-flow-step,
  .landing-scenario-card {
    padding: 24px 16px;
  }

  .landing-testimonial-card {
    padding: 20px 16px;
  }

  .landing-faq-question {
    padding: 16px;
    font-size: 14px;
  }

  .landing-faq-answer p {
    padding: 0 16px 16px;
    font-size: 13px;
  }
}