:root {
  --primary-color: #2563eb;
  --text-color: #1f2937;
  --bg-color: #ffffff;
  --accent-bg: #f3f4f6;
  --success-color: #059669;
  --danger-color: #dc2626;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background: var(--bg-color);
  min-height: 100vh;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.hero {
  background: var(--accent-bg);
  padding: 4rem 1rem;
  text-align: center;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.hero p {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto;
}

.features {
  display: grid;
  gap: 2rem;
  padding: 2rem 0;
}

.feature-card {
  background: var(--accent-bg);
  padding: 1.5rem;
  border-radius: 8px;
}

.feature-card h2 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.status-badge {
  display: inline-block;
  background: var(--primary-color);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  margin-top: 1rem;
}

@media (max-width: 640px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1.125rem;
  }
  
  .container {
    padding: 1rem;
  }
}

/* Upload Zone Styles */
input[type="file"].hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.upload-zone {
  border: 2px dashed var(--primary-color);
  border-radius: 0.5rem;
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.upload-zone:hover {
  background: var(--accent-bg);
}

.upload-zone.drag-over {
  border-color: var(--success-color);
  background: var(--accent-bg);
}

/* Utility Classes */
.hidden {
  display: none !important;
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  font-weight: 500;
  transition: all 0.3s ease;
  cursor: pointer;
}

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

.btn-primary:hover {
  opacity: 0.9;
}

/* Pricing Section */
.pricing {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--accent-bg);
  border-radius: 0.5rem;
}

.pricing-title {
  color: var(--primary-color);
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.pricing-item {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.1);
}

.pricing-item:last-child {
  border-bottom: none;
}