/* Root Variables */
:root {
  --primary-color: #2563eb;
  --primary-dark: #1e40af;
  --secondary-color: #10b981;
  --accent-color: #f59e0b;
  --dark-bg: #1f2937;
  --light-bg: #f9fafb;
  --text-dark: #111827;
  --text-light: #6b7280;
  --border-color: #e5e7eb;
  --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --card-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
  }
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: #ffffff;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  background: #ffffff;
  color: var(--text-dark);
  box-shadow: var(--card-shadow);
  z-index: 2000;
}

.skip-link:focus {
  left: 0.75rem;
}

a:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--accent-color);
  outline-offset: 3px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  background: #ffffff;
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  padding: 1rem 0;
}

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

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--primary-color);
}

.brand-icon {
  display: block;
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.brand-text-img {
  display: block;
  height: 40px;
  width: auto;
}

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

.nav-link {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  padding: 0.5rem 0;
}

.nav-link.nav-cta {
  padding: 0.55rem 0.9rem;
  border-radius: 0.6rem;
  background-color: var(--primary-color);
  color: #ffffff;
  box-shadow: var(--card-shadow);
}

.nav-link.nav-cta:hover {
  color: #ffffff;
  background-color: var(--primary-dark);
}

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

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 8rem 0 6rem;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: 1.25rem;
  line-height: 1.8;
  margin-bottom: 2.5rem;
  opacity: 0.95;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background-color: white;
  color: var(--primary-color);
  box-shadow: 0 4px 14px 0 rgba(255, 255, 255, 0.39);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.5);
}

.btn-secondary {
  background-color: transparent;
  color: white;
  border: 2px solid white;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.btn-large {
  padding: 1.125rem 2.5rem;
  font-size: 1.125rem;
}

/* Product Section */
.product-section {
  padding: 6rem 0;
  background-color: var(--light-bg);
}

/* Benefits Section */
.benefits-section {
  padding: 6rem 0;
  background-color: #ffffff;
}

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

.section-subtitle {
  text-align: center;
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 4rem;
}

.product-description {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.product-card {
  background: white;
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: var(--card-shadow);
  transition: all 0.3s ease;
  text-align: center;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--card-shadow-hover);
}

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

.product-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.product-card p {
  color: var(--text-light);
  line-height: 1.7;
}

/* Features Section */
.features-section {
  padding: 6rem 0;
  background-color: white;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.feature-item {
  padding: 1.5rem;
  border-left: 4px solid var(--primary-color);
  background-color: var(--light-bg);
  border-radius: 0.5rem;
  transition: all 0.3s ease;
}

.feature-item:hover {
  transform: translateX(5px);
  box-shadow: var(--card-shadow);
}

.feature-item h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-dark);
}

.feature-item p {
  color: var(--text-light);
  line-height: 1.7;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 5rem 0;
  text-align: center;
}

.cta-section h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

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

/* Contact Section */
.contact-section {
  padding: 6rem 0;
  background-color: var(--light-bg);
  text-align: center;
}

.contact-text {
  font-size: 1.125rem;
  color: var(--text-light);
  margin-bottom: 2rem;
}

.contact-card {
  max-width: 520px;
  margin: 0 auto;
  background: #ffffff;
  padding: 1.5rem 1.75rem;
  border-radius: 1rem;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
}

.contact-card-label {
  margin: 0;
  font-weight: 700;
  color: var(--text-dark);
  opacity: 0.9;
}

.contact-email {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.4;
  word-break: break-word;
}

.contact-email:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Footer */
.footer {
  background-color: var(--dark-bg);
  color: white;
  padding: 3rem 0;
  text-align: center;
}

.footer p {
  margin-bottom: 0.5rem;
  opacity: 0.8;
}

.footer-tagline {
  font-size: 0.875rem;
  opacity: 0.6;
}

.footer-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.footer-actions-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
}

.footer-actions-title {
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.02em;
  opacity: 0.9;
}

.footer-actions-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.footer-action-link {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.footer-action-link:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.28);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .nav-links {
    gap: 1rem;
  }

  .nav-link.nav-cta {
    padding: 0.5rem 0.8rem;
  }

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

  .hero {
    padding: 5rem 0 4rem;
  }

  .product-section,
  .features-section,
  .contact-section {
    padding: 4rem 0;
  }

  .cta-section {
    padding: 4rem 0;
  }

  .cta-section h2 {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.9rem;
  }

  .container {
    padding: 0 1rem;
  }

  .product-description,
  .features-grid {
    gap: 1.5rem;
  }
}