/* CSS Custom Properties */
:root {
  --primary-color: #0f866c;
  --primary-dark: #0a6b56;
  --secondary-color: #2563eb;
  --accent-color: #e74c3c;
  --success-color: #27ae60;
  --warning-color: #f39c12;
  --text-primary: #2c3e50;
  --text-secondary: #7f8c8d;
  --text-light: #bdc3c7;
  --background: #ffffff;
  --background-alt: #f8f9fa;
  --background-card: #ffffff;
  --border-color: #e9ecef;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.15);
  --shadow-card: 0 4px 6px rgba(0, 0, 0, 0.05);
  --border-radius: 50px;
  --border-radius-card: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-primary: 'Inter', sans-serif;
  --font-display: 'Playfair Display', serif;
  --max-width: 1200px;
  --header-height: 80px;
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  --gradient-success: linear-gradient(135deg, var(--success-color), var(--primary-color));
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--background);
  overflow-x: hidden;
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--primary-color);
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: 4px;
  z-index: 1000;
}

.skip-link:focus {
  top: 6px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-color);
  text-decoration: none;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--gradient-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

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

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
}

.nav-link:hover::after {
  width: 100%;
}

.cta-button {
  background: var(--primary-color);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

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

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text-primary);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--background);
  border-bottom: 1px solid var(--border-color);
  padding: 2rem;
  z-index: 99;
}

.mobile-menu.open {
  display: block;
}

.mobile-menu ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-menu .nav-link {
  font-size: 1.1rem;
  padding: 0.5rem 0;
}

/* Hero Section */
.hero {
  padding: calc(var(--header-height) + 4rem) 2rem 4rem;
  color: var(--text-primary);
  text-align: center;
  position: relative;
  overflow: hidden;
  min-height: 85vh;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.85);
  z-index: 1;
}

.hero-content {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  animation: fadeInUp 1s ease-out;
  color: var(--text-primary);
  text-shadow: 0 2px 4px rgba(255, 255, 255, 0.8);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 1s ease-out 0.2s both;
  color: var(--text-secondary);
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

/* Trust Signals */
.trust-signals {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin: 2rem 0;
  animation: fadeInUp 1s ease-out 0.3s both;
}

.trust-item {
  text-align: center;
}

.trust-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.trust-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease-out 0.4s both;
  margin-bottom: 1.5rem;
}

.hero-note {
  font-size: 0.9rem;
  color: var(--text-secondary);
  animation: fadeInUp 1s ease-out 0.5s both;
  margin-top: 1rem;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.btn-primary.btn-large {
  padding: 1.25rem 2.5rem;
  font-size: 1.2rem;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  padding: 1rem 2rem;
  border: 2px solid var(--primary-color);
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: var(--transition);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-3px);
}

/* About Section */
.about-section {
  padding: 6rem 2rem;
  background: var(--background-alt);
}

.about-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.about-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.key-points {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.key-point h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.key-point p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.about-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.demo-placeholder {
  background: var(--background-card);
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius-card);
  padding: 3rem 2rem;
  text-align: center;
  transition: var(--transition);
}

.demo-placeholder:hover {
  border-color: var(--primary-color);
  background: rgba(15, 134, 108, 0.05);
}

.demo-placeholder h4 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.demo-placeholder p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.demo-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

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

/* Features Section */
.features {
  padding: 6rem 2rem;
  background: var(--background);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
}

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

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--background-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-card);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-color);
}

.feature-card:hover::before {
  left: 100%;
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: white;
  font-size: 1.5rem;
}

.feature-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Examples Section */
.examples-section {
  padding: 6rem 2rem;
  background: var(--background-alt);
}

.examples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.example-card {
  background: var(--background-card);
  border-radius: var(--border-radius-card);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}

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

.example-image {
  margin-bottom: 1.5rem;
}

.example-placeholder {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.example-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.example-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
  padding: 6rem 2rem;
  background: var(--background);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  margin-top: 4rem;
  counter-reset: step-counter;
}

.step {
  text-align: center;
  position: relative;
}

.step::before {
  content: counter(step-counter);
  counter-increment: step-counter;
  position: absolute;
  top: -1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.1rem;
  z-index: 2;
}

.step-icon {
  width: 80px;
  height: 80px;
  background: white;
  border: 3px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 2rem auto 1.5rem;
  color: var(--primary-color);
  font-size: 2rem;
  transition: var(--transition);
}

.step:hover .step-icon {
  border-color: var(--primary-color);
  transform: scale(1.1);
}

.step-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.step-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Comparison Section */
.comparison-section {
  padding: 6rem 2rem;
  background: var(--background-alt);
}

.comparison-table {
  background: var(--background-card);
  border-radius: var(--border-radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  max-width: 800px;
  margin: 0 auto;
}

.comparison-header {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  background: var(--gradient-primary);
  color: white;
  font-weight: 600;
}

.comparison-header > div {
  padding: 1rem;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.comparison-header > div:last-child {
  border-right: none;
}

.comparison-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  border-bottom: 1px solid var(--border-color);
}

.comparison-row:last-child {
  border-bottom: none;
}

.comparison-row > div {
  padding: 1rem;
  border-right: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.comparison-row > div:first-child {
  justify-content: flex-start;
  font-weight: 500;
}

.comparison-row > div:last-child {
  border-right: none;
}

.comparison-us {
  background: rgba(39, 174, 96, 0.1);
  color: var(--success-color);
  font-weight: 600;
}

.comparison-other {
  color: var(--text-secondary);
}

/* Testimonials Section */
.testimonials {
  padding: 6rem 2rem;
  background: var(--background);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.testimonial {
  background: var(--background-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-card);
  padding: 2rem;
  position: relative;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

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

.testimonial::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 20px;
  font-size: 4rem;
  color: var(--primary-color);
  font-family: var(--font-display);
}

.rating {
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.testimonial-text {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-style: italic;
  line-height: 1.6;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
}

.author-info h4 {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.author-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* FAQ Section */
.faq-section {
  padding: 6rem 2rem;
  background: var(--background-alt);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.faq-item {
  background: var(--background-card);
  border-radius: var(--border-radius-card);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.faq-question {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  cursor: pointer;
}

.faq-answer {
  color: var(--text-secondary);
  line-height: 1.6;
}

.faq-answer p {
  margin-bottom: 1rem;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

/* CTA Section */
.cta-section {
  padding: 6rem 2rem;
  background: var(--gradient-primary);
  color: white;
  text-align: center;
}

.cta-content h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  margin-bottom: 1rem;
}

.cta-content p {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-feature {
  font-size: 1rem;
  opacity: 0.9;
}

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

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  margin-bottom: 1rem;
  color: white;
  font-weight: 600;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.footer-stats {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.stat {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

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

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-badges {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.8rem;
  padding: 0.25rem 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.8);
}

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

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .comparison-table {
    font-size: 0.9rem;
  }
  
  .comparison-header,
  .comparison-row {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero {
    padding: calc(var(--header-height) + 2rem) 1rem 2rem;
  }
  
  .trust-signals {
    flex-direction: column;
    gap: 1rem;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .features,
  .how-it-works,
  .testimonials,
  .cta-section,
  .about-section,
  .examples-section,
  .comparison-section,
  .faq-section {
    padding: 4rem 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-primary,
  .btn-secondary {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .steps {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .examples-grid {
    grid-template-columns: 1fr;
  }
  
  .faq-grid {
    grid-template-columns: 1fr;
  }
  
  .comparison-table {
    font-size: 0.8rem;
  }
  
  .comparison-header,
  .comparison-row {
    grid-template-columns: 1fr;
  }
  
  .comparison-header > div,
  .comparison-row > div {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
    justify-content: flex-start;
  }
  
  .comparison-header > div:last-child,
  .comparison-row:last-child > div:last-child {
    border-bottom: none;
  }
  
  .cta-features {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-badges {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .trust-signals {
    gap: 0.5rem;
  }
  
  .trust-number {
    font-size: 1.2rem;
  }
  
  .trust-label {
    font-size: 0.8rem;
  }
  
  .features-grid,
  .examples-grid,
  .faq-grid {
    gap: 1rem;
  }
  
  .feature-card,
  .example-card,
  .faq-item {
    padding: 1.5rem;
  }
}

/* Performance optimizations */
.hero,
.cta-section {
  will-change: transform;
}

.feature-card,
.step,
.testimonial,
.example-card,
.faq-item {
  will-change: transform;
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .fade-in {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Dark mode support - DISABLED to maintain white theme */
/*
@media (prefers-color-scheme: dark) {
  :root {
    --background: #1a1a1a;
    --background-alt: #2d2d2d;
    --background-card: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --border-color: #404040;
  }
  
  .hero::before {
    background: rgba(26, 26, 26, 0.85);
  }
  
  .header {
    background: rgba(26, 26, 26, 0.95);
  }
}
*/