/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --secondary-color: #8b5cf6;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --bg-white: #ffffff;
  --bg-gray: #f9fafb;
  --bg-gray-dark: #f3f4f6;
  --border-color: #e5e7eb;
  --success-color: #10b981;
  --error-color: #ef4444;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  background-color: var(--bg-white);
}

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

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  padding: 1rem 0;
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.logo-icon {
  font-size: 1.5rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--primary-color);
}

/* Hero Section */
.hero {
  padding: 4rem 0 6rem;
  background: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--bg-white);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

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

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

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

.btn-large {
  padding: 1.125rem 2.25rem;
  font-size: 1.125rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Demo Container */
.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.demo-container {
  width: 100%;
  max-width: 600px;
}

.demo-browser {
  background: white;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.browser-header {
  background: var(--bg-gray-dark);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.browser-dots {
  display: flex;
  gap: 0.5rem;
}

.browser-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-light);
}

.browser-dots span:nth-child(1) {
  background: #ef4444;
}

.browser-dots span:nth-child(2) {
  background: #f59e0b;
}

.browser-dots span:nth-child(3) {
  background: #10b981;
}

.browser-url {
  flex: 1;
  background: white;
  padding: 0.5rem 1rem;
  border-radius: 0.25rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.demo-content {
  padding: 2rem;
}

.demo-input {
  margin-bottom: 1.5rem;
}

.demo-input.large {
  margin-bottom: 0;
}

.input-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.input-field {
  background: var(--bg-gray);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 0.875rem 1rem;
  font-size: 0.9375rem;
  color: var(--text-primary);
}

.input-field.template-preview {
  min-height: 200px;
  background: linear-gradient(135deg, #f0f9ff 0%, #e0e7ff 100%);
  border-color: var(--primary-color);
  position: relative;
}

.template-badge {
  position: absolute;
  top: -12px;
  right: 1rem;
  background: var(--primary-color);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  box-shadow: var(--shadow-md);
}

/* Features Section */
.features {
  padding: 6rem 0;
  background: var(--bg-white);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: white;
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s;
}

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

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Use Cases Section */
.use-cases {
  padding: 6rem 0;
  background: var(--bg-gray);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.use-case-card {
  background: white;
  padding: 2rem;
  border-radius: 1rem;
  text-align: center;
  transition: all 0.3s;
}

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

.use-case-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.use-case-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.use-case-card p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Pricing Section */
.pricing {
  padding: 6rem 0;
  background: var(--bg-white);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  background: white;
  border: 2px solid var(--border-color);
  border-radius: 1rem;
  padding: 2.5rem;
  position: relative;
  transition: all 0.3s;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.pricing-header {
  text-align: center;
  margin-bottom: 2rem;
}

.pricing-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.5rem;
}

.price-amount {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
}

.price-period {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
}

.pricing-features li {
  padding: 0.75rem 0;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

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

.pricing-card .btn {
  width: 100%;
  justify-content: center;
}

/* CTA Section */
.cta {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  text-align: center;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-description {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

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

.cta .btn-primary:hover {
  background: var(--bg-gray);
  transform: translateY(-2px);
}

.cta-note {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
  font-size: 0.875rem;
  opacity: 0.9;
}

/* Footer */
.footer {
  background: var(--text-primary);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-description {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

.footer-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }

  .nav-links {
    gap: 1rem;
    font-size: 0.875rem;
  }

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

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

  .use-cases-grid {
    grid-template-columns: 1fr;
    max-width: 100%;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .cta-title {
    font-size: 2rem;
  }

  .cta-note {
    flex-direction: column;
    gap: 0.5rem;
  }
}