:root {
  --primary-color: #ff4b24;
  --primary-light: #ff6b4a;
  --primary-dark: #e6331a;
  --secondary-color: #2563eb;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --neutral-50: #f9fafb;
  --neutral-100: #f3f4f6;
  --neutral-200: #e5e7eb;
  --neutral-300: #d1d5db;
  --neutral-400: #9ca3af;
  --neutral-500: #6b7280;
  --neutral-600: #4b5563;
  --neutral-700: #374151;
  --neutral-800: #1f2937;
  --neutral-900: #111827;
  
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  --gradient-hero: linear-gradient(135deg, var(--primary-color) 0%, #ff6b4a 50%, #ff8c69 100%);
  --gradient-card: linear-gradient(145deg, rgba(255, 75, 36, 0.05) 0%, rgba(255, 107, 74, 0.05) 100%);
  
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--neutral-800);
  background-color: #ffffff;
}

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

/* Header */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--neutral-200);
  z-index: 1000;
  transition: var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-img {
    width: auto;
    height: auto;
    max-height: 35px;
}

.logo-text {
  font-size: 24px;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-link {
  text-decoration: none;
  color: var(--neutral-600);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--neutral-600);
  transition: var(--transition);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 14px;
}

.btn-large {
  padding: 16px 32px;
  font-size: 16px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 12px rgba(255, 75, 36, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 75, 36, 0.4);
}

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

.btn-secondary:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #fef7f0 0%, #fff 50%, #fef7f0 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 80%, rgba(255, 75, 36, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(255, 107, 74, 0.1) 0%, transparent 50%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  color: var(--neutral-900);
}

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

.hero-subtitle {
  font-size: 20px;
  color: var(--neutral-600);
  margin-bottom: 40px;
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-card {
  background: white;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
  padding: 24px;
  max-width: 400px;
  width: 100%;
}

.chat-interface {
  background: var(--neutral-50);
  border-radius: 16px;
  overflow: hidden;
}

.chat-header {
  background: var(--gradient-primary);
  color: white;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}

.chat-status {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
}

.chat-messages {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.message {
  max-width: 80%;
  padding: 12px 16px;
  border-radius: 18px;
  font-size: 14px;
}

.message.incoming {
  background: white;
  border: 1px solid var(--neutral-200);
  align-self: flex-start;
}

.message.outgoing {
  background: var(--gradient-primary);
  color: white;
  align-self: flex-end;
}

/* Features Section */
.features {
  padding: 80px 0;
  background: white;
}

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

.section-title {
  font-size: 40px;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--neutral-600);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
}

.feature-card {
  background: var(--gradient-card);
  border: 1px solid var(--neutral-200);
  border-radius: 16px;
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-color: var(--primary-color);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: white;
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--neutral-900);
  margin-bottom: 16px;
}

.feature-card p {
  color: var(--neutral-600);
  margin-bottom: 20px;
  line-height: 1.6;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  padding: 6px 0;
  color: var(--neutral-700);
  position: relative;
  padding-left: 20px;
}

.feature-list li::before {
  content: '•';
  color: var(--primary-color);
  position: absolute;
  left: 0;
  font-weight: bold;
}

/* Why Choose Section */
.why-choose {
  padding: 80px 0;
  background: var(--neutral-50);
}

.why-choose-content {
  text-align: center;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-top: 40px;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: white;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  font-weight: 600;
  color: var(--neutral-700);
}

.check-icon {
  font-size: 24px;
}

/* CTA Section */
.cta-section {
  padding: 80px 0;
  background: var(--gradient-hero);
  color: white;
  text-align: center;
}

.cta-content h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
}

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

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

.cta-section .btn-primary:hover {
  background: var(--neutral-100);
}

/* Footer */
.footer {
  background: var(--neutral-900);
  color: var(--neutral-300);
  padding: 60px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h4 {
  color: white;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 12px;
}

.footer-section ul li a {
  color: var(--neutral-300);
  text-decoration: none;
  transition: var(--transition);
}

.footer-section ul li a:hover {
  color: var(--primary-color);
}

.footer-section p {
  color: var(--neutral-400);
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid var(--neutral-700);
  padding-top: 20px;
  text-align: center;
  color: var(--neutral-400);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  
  .hero-title {
    font-size: 48px;
  }
  
  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .hamburger {
    display: flex;
  }
  
  .hero {
    padding: 100px 0 60px;
  }
  
  .hero-title {
    font-size: 36px;
  }
  
  .hero-subtitle {
    font-size: 18px;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .section-title {
    font-size: 32px;
  }
  
  .cta-content h2 {
    font-size: 28px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .hero-title {
    font-size: 28px;
  }
  
  .hero-subtitle {
    font-size: 16px;
  }
  
  .feature-card {
    padding: 24px;
  }
}

/* Page-specific styles */
.page-header {
  padding: 120px 0 60px;
  background: var(--gradient-hero);
  color: white;
  text-align: center;
}

.page-header h1 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
}

.page-header p {
  font-size: 18px;
  opacity: 0.9;
}

.page-content {
  padding: 80px 0;
}

.content-section {
  margin-bottom: 60px;
}

.content-section h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 24px;
}

.content-section h3 {
  font-size: 24px;
  font-weight: 600;
  color: var(--neutral-800);
  margin-bottom: 16px;
}

.content-section p {
  color: var(--neutral-600);
  line-height: 1.6;
  margin-bottom: 16px;
}

.content-section ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.content-section li {
  color: var(--neutral-600);
  margin-bottom: 8px;
}

/* Form Styles */
.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--neutral-700);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--neutral-200);
  border-radius: 8px;
  font-size: 16px;
  transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(255, 75, 36, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Pricing Styles */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 60px;
}

.pricing-card {
  background: white;
  border: 2px solid var(--neutral-200);
  border-radius: 16px;
  padding: 40px 32px;
  text-align: center;
  position: relative;
  transition: var(--transition);
}

.pricing-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
  border-color: var(--primary-color);
  background: var(--gradient-card);
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: white;
  padding: 6px 20px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.pricing-header h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.pricing-period {
  color: var(--neutral-500);
  font-size: 14px;
  margin-bottom: 32px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
}

.pricing-features li {
  padding: 8px 0;
  color: var(--neutral-600);
  display: flex;
  align-items: center;
  gap: 12px;
}

.pricing-features li::before {
  content: '✓';
  color: var(--success-color);
  font-weight: bold;
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.table-responsive {
  overflow-x: auto;
  margin: 40px 0;
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.pricing-table th,
.pricing-table td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid var(--neutral-200);
}

.pricing-table th {
  background: var(--gradient-primary);
  color: white;
  font-weight: 600;
}

.pricing-table tr:hover {
  background: var(--neutral-50);
}

/* Animation classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.6s ease forwards;
}

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

.slide-in-left {
  opacity: 0;
  transform: translateX(-30px);
  animation: slideInLeft 0.6s ease forwards;
}

@keyframes slideInLeft {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  opacity: 0;
  transform: translateX(30px);
  animation: slideInRight 0.6s ease forwards;
}

@keyframes slideInRight {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}