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

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #8b5cf6;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --dark: #0f172a;
  --dark-light: #1e293b;
  --light: #f8fafc;
  --gray: #64748b;
  --gray-light: #94a3b8;
  --border: #e2e8f0;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--dark);
  color: var(--light);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* Navigation */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--light);
}

.nav-logo {
  width: 32px;
  height: 32px;
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  color: var(--gray-light);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

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

/* Hero Section */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 80px 0;
  min-height: calc(100vh - 80px);
}

.hero-content {
  animation: fadeIn 0.8s ease-out;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  padding: 8px 16px;
  border-radius: 20px;
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: var(--primary);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
}

.gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--gray-light);
  margin-bottom: 32px;
  max-width: 500px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
}

.btn-primary, .btn-secondary {
  padding: 16px 32px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background: var(--gradient);
  color: white;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--light);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.stat {
  background: rgba(30, 41, 59, 0.5);
  padding: 20px;
  border-radius: 12px;
  text-align: center;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--gray-light);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: float 3s ease-in-out infinite;
}

.qr-demo {
  width: 400px;
  height: 400px;
  background: rgba(30, 41, 59, 0.5);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.qr-demo::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient);
  opacity: 0.1;
  animation: rotate 10s linear infinite;
}

.qr-code {
  width: 200px;
  height: 200px;
  animation: pulseQR 3s ease-in-out infinite;
}

/* Features Section */
.features {
  padding: 100px 0;
  background: var(--dark-light);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.2rem;
  color: var(--gray-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--dark);
  padding: 40px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--gray-light);
  line-height: 1.6;
}

/* Pricing Section */
.pricing {
  padding: 100px 0;
}

.pricing-card {
  max-width: 600px;
  margin: 0 auto;
  background: var(--dark-light);
  border-radius: 20px;
  padding: 50px;
  border: 2px solid var(--primary);
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: var(--gradient);
  opacity: 0.1;
}

.pricing-header {
  text-align: center;
  margin-bottom: 30px;
  position: relative;
}

.pricing-badge {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.pricing-header h3 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 20px;
}

.pricing-price {
  margin-bottom: 20px;
}

.price-currency {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
}

.price-unit {
  font-size: 1.2rem;
  color: var(--gray-light);
}

.pricing-features {
  list-style: none;
  margin-bottom: 30px;
}

.pricing-features li {
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--light);
}

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

/* Demo Section */
.demo {
  padding: 100px 0;
  background: var(--dark-light);
}

.demo-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 1000px;
  margin: 0 auto;
}

.demo-form {
  background: var(--dark);
  padding: 30px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--dark-light);
  color: var(--light);
  font-size: 1rem;
}

.demo-result {
  background: var(--dark);
  padding: 30px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.qr-placeholder {
  color: var(--gray-light);
  text-align: center;
}

.qr-info {
  margin-top: 20px;
  text-align: left;
  width: 100%;
}

.qr-info p {
  margin-bottom: 8px;
  color: var(--gray-light);
}

/* API Section */
.api {
  padding: 100px 0;
}

.api-endpoints {
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin-bottom: 40px;
}

.api-endpoint {
  background: var(--dark-light);
  border-radius: 16px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.api-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.api-header h3 {
  font-size: 1.4rem;
  font-weight: 700;
}

.api-method {
  background: var(--success);
  color: white;
  padding: 6px 12px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
}

.api-url {
  margin-bottom: 20px;
}

.api-url code {
  background: var(--dark);
  padding: 12px 20px;
  border-radius: 8px;
  font-family: monospace;
  font-size: 1rem;
}

.api-body h4 {
  margin-bottom: 12px;
  color: var(--gray-light);
}

.api-body pre {
  background: var(--dark);
  padding: 20px;
  border-radius: 8px;
  overflow-x: auto;
  margin-bottom: 16px;
}

.api-body code {
  color: var(--light);
  font-family: monospace;
  font-size: 0.9rem;
}

.api-example {
  max-width: 800px;
  margin: 0 auto;
}

.api-example h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.api-example pre {
  background: var(--dark);
  padding: 30px;
  border-radius: 12px;
  overflow-x: auto;
}

/* Footer */
.footer {
  background: var(--dark-light);
  padding: 60px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo {
  width: 40px;
  height: 40px;
  color: var(--primary);
}

.footer-brand p {
  color: var(--gray-light);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 30px;
}

.footer-links a {
  color: var(--light);
  text-decoration: none;
  transition: color 0.3s;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--gray-light);
  font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulseQR {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .demo-container {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  .footer-content {
    flex-direction: column;
    gap: 30px;
  }
}