:root {
  --claude-orange: #CC785C;
  --claude-cream: #F5F3ED;
  --claude-dark: #1F1F1F;
  --claude-text: #2D2D2D;

  --safe-green: #28B446;
  --warn-orange: #FF9500;
  --danger-red: #FF3B30;
  --safe-cyan: #5AC8FA;
  --safe-purple: #B450F0;
  --deep-purple: #B41EA0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', 'Hiragino Sans', 'Noto Sans CJK SC', sans-serif;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fadeInUp {
  animation: fadeInUp 0.6s ease-out;
}

.btn-primary {
  background: linear-gradient(135deg, var(--claude-orange) 0%, #D68970 100%);
  box-shadow: 0 4px 14px 0 rgba(204, 120, 92, 0.39);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(204, 120, 92, 0.5);
}

.btn-secondary:hover {
  border-color: var(--claude-orange);
  color: var(--claude-orange);
}

.feature-card {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover {
  border-color: var(--claude-orange);
}

.screenshot-card img {
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.screenshot-card:hover img {
  transform: scale(1.05);
}

.legal-content {
  font-size: 0.875rem;
  line-height: 1.75;
  color: #6B7280;
}

.legal-content h2 {
  font-size: 1.125rem;
  color: #374151;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.tab-btn {
  cursor: pointer;
  transition: all 0.2s;
}

.tab-btn.active {
  color: var(--claude-orange);
  border-color: var(--claude-orange);
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 2.5rem;
    line-height: 1.2;
  }
}

@media print {
  header, footer {
    display: none;
  }
}