:root {
  --primary-blue: #1e3a8a;
  --secondary-blue: #3b82f6;
  --accent-orange: #f97316;
  --success-green: #10b981;
  --warning-yellow: #f59e0b;
  --error-red: #ef4444;
  --text-dark: #1f2937;
  --text-medium: #4b5563;
  --text-light: #6b7280;
  --background-light: #f9fafb;
  --background-white: #ffffff;
  --border-light: #e5e7eb;
  --border-medium: #d1d5db;
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  background: var(--background-white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-brand h2 {
  color: var(--primary-blue);
  font-weight: 700;
  font-size: 24px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

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

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

.cta-button {
  background: var(--accent-orange);
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.cta-button:hover {
  background: #ea580c;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--background-light) 0%, #e0f2fe 100%);
  padding: 120px 0 80px;
  margin-top: 80px;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text h1 {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  color: var(--text-dark);
}

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

.hero-cta {
  margin-bottom: 32px;
}

.cta-button-large {
  background: var(--accent-orange);
  color: white;
  padding: 18px 36px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
  display: inline-block;
  transition: all 0.3s ease;
}

.cta-button-large:hover {
  background: #ea580c;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(249, 115, 22, 0.3);
}

.cta-subtext {
  font-size: 14px;
  color: var(--text-light);
  margin-top: 12px;
}

.hero-image img {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

/* About Section */
.about {
  padding: 100px 0;
  background: var(--background-white);
}

.about h2 {
  text-align: center;
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 60px;
  color: var(--text-dark);
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 60px;
  align-items: start;
}

.about-text p {
  font-size: 18px;
  line-height: 1.7;
  margin-bottom: 24px;
  color: var(--text-medium);
}

.about-image img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

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

.features h2 {
  text-align: center;
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 60px;
  color: var(--text-dark);
}

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

.feature-card {
  background: var(--background-white);
  padding: 40px;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.feature-card img {
  width: 80px;
  height: 80px;
  border-radius: 12px;
  margin-bottom: 24px;
  object-fit: cover;
}

.feature-card h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-dark);
}

.feature-card p {
  font-size: 16px;
  color: var(--text-medium);
  line-height: 1.6;
}

/* Testimonials Section */
.testimonials {
  padding: 100px 0;
  background: var(--background-white);
}

.testimonials h2 {
  text-align: center;
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 60px;
  color: var(--text-dark);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.testimonial-card {
  background: var(--background-light);
  padding: 32px;
  border-radius: 16px;
  border-left: 4px solid var(--accent-orange);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.testimonial-content p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-medium);
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.testimonial-author img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-author h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.testimonial-author p {
  font-size: 14px;
  color: var(--text-light);
  margin: 0;
}

/* Contact Section */
.contact {
  padding: 100px 0;
  background: var(--primary-blue);
  color: white;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info h2 {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 24px;
}

.contact-info > p {
  font-size: 18px;
  line-height: 1.6;
  margin-bottom: 40px;
  opacity: 0.9;
}

.contact-benefits {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.checkmark {
  background: var(--success-green);
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: bold;
  flex-shrink: 0;
}

.benefit p {
  font-size: 16px;
  margin: 0;
}

.contact-form-container {
  background: var(--background-white);
  padding: 40px;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 32px;
  color: var(--text-dark);
  text-align: center;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.form-group input {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--border-light);
  border-radius: 8px;
  font-size: 16px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--secondary-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-medium);
  line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkmark-box {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-medium);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  flex-shrink: 0;
  margin-top: 2px;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark-box {
  background: var(--secondary-blue);
  border-color: var(--secondary-blue);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark-box::after {
  content: '✓';
  color: white;
  font-size: 12px;
  font-weight: bold;
}

.checkbox-label a {
  color: var(--secondary-blue);
  text-decoration: none;
}

.checkbox-label a:hover {
  text-decoration: underline;
}

.submit-button {
  width: 100%;
  background: var(--accent-orange);
  color: white;
  border: none;
  padding: 18px 24px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 16px;
}

.submit-button:hover {
  background: #ea580c;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(249, 115, 22, 0.3);
}

.form-disclaimer {
  font-size: 12px;
  color: var(--text-light);
  text-align: center;
  margin-top: 16px;
}

.form-disclaimer a {
  color: var(--secondary-blue);
  text-decoration: none;
}

.form-disclaimer a:hover {
  text-decoration: underline;
}

/* Footer */
.footer {
  background: var(--text-dark);
  color: white;
  padding: 60px 0 20px;
}

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

.footer-brand h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--accent-orange);
}

.footer-brand p {
  color: #9ca3af;
  line-height: 1.6;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  color: white;
}

.footer-links a {
  display: block;
  color: #9ca3af;
  text-decoration: none;
  margin-bottom: 8px;
  transition: color 0.3s ease;
}

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

.footer-contact p {
  color: #9ca3af;
  margin-bottom: 8px;
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 20px;
  text-align: center;
}

.footer-bottom p {
  color: #9ca3af;
  font-size: 14px;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .hero-text h1 {
    font-size: 48px;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .nav {
    flex-direction: column;
    gap: 16px;
    padding: 16px;
  }
  
  .nav-links {
    gap: 24px;
  }
  
  .hero {
    padding: 100px 0 60px;
  }
  
  .hero-text h1 {
    font-size: 36px;
  }
  
  .hero-subtitle {
    font-size: 18px;
  }
  
  .about h2,
  .features h2,
  .testimonials h2 {
    font-size: 32px;
  }
  
  .contact-info h2 {
    font-size: 32px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .about,
  .features,
  .testimonials,
  .contact {
    padding: 60px 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .nav-links {
    flex-direction: column;
    gap: 16px;
  }
  
  .hero-text h1 {
    font-size: 28px;
  }
  
  .contact-form-container {
    padding: 24px;
  }
  
  .feature-card,
  .testimonial-card {
    padding: 24px;
  }
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

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

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}