@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Primary Colors */
  --primary: #CCFF00; /* Lime Green/Yellow for accents */
  --primary-dark: #AADD00;
  --secondary: #333333; /* Dark Charcoal for backgrounds */
  --secondary-light: #555555; /* Medium Gray for secondary backgrounds */
  --tertiary: #4D6082; /* Soft Blue as complementary accent */
  
  /* Functional Colors */
  --success: #33CC33; /* Success Green */
  --alert: #CC3333; /* Alert Red */
  
  /* UI Colors */
  --background: #222222; /* Darker background */
  --card-bg: #333333; /* Card background */
  --border-color: #444444; /* Border color */
  
  /* Text Colors */
  --text-primary: #FFFFFF; /* White text */
  --text-secondary: #DDDDDD; /* Light Gray text */
  --text-muted: #999999; /* Muted text */
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
}

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

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--background);
  background-image: 
    linear-gradient(rgba(51, 51, 51, 0.7) 1px, transparent 1px),
    linear-gradient(90deg, rgba(51, 51, 51, 0.7) 1px, transparent 1px);
  background-size: 20px 20px;
  background-attachment: fixed;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.flex {
  display: flex;
}

.header {
  background-color: var(--secondary);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-icon {
  height: 2rem;
  color: var(--primary);
}

.nav {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 4px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
  background-color: rgba(204, 255, 0, 0.1);
}

.cta-button {
  background-color: var(--primary);
  color: var(--secondary);
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 4px;
  text-decoration: none;
  transition: background-color 0.3s ease;
  display: inline-block;
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  background-color: var(--primary-dark);
}

.hero-section {
  background: linear-gradient(135deg, rgba(51, 51, 51, 0.9), rgba(77, 96, 130, 0.7));
  padding: var(--spacing-xl) var(--spacing-xl);
  border-radius: 8px;
  margin: var(--spacing-lg) 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    repeating-linear-gradient(0deg, transparent, transparent 19px, rgba(204, 255, 0, 0.03) 19px, rgba(204, 255, 0, 0.03) 20px),
    repeating-linear-gradient(90deg, transparent, transparent 19px, rgba(204, 255, 0, 0.03) 19px, rgba(204, 255, 0, 0.03) 20px);
  background-size: 20px 20px;
  opacity: 0.4;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.hero-text {
  flex: 1;
  max-width: 500px;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.hero-img:hover {
  transform: translateY(-5px);
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  color: var(--primary);
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  color: var(--text-secondary);
}

.features-section {
  padding: var(--spacing-xl) 0;
  position: relative;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  text-align: center;
  color: var(--primary);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
}

.features-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xl);
}

.slider-container {
  width: 100%;
  max-width: 1200px;
  height: 500px;
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(51, 51, 51, 0.9), rgba(77, 96, 130, 0.7));
  margin: 0 auto;
  border: 1px solid var(--border-color);
}

.slider-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    repeating-linear-gradient(0deg, transparent, transparent 19px, rgba(204, 255, 0, 0.03) 19px, rgba(204, 255, 0, 0.03) 20px),
    repeating-linear-gradient(90deg, transparent, transparent 19px, rgba(204, 255, 0, 0.03) 19px, rgba(204, 255, 0, 0.03) 20px);
  background-size: 20px 20px;
  opacity: 0.4;
  z-index: 0;
}

.slider-gradient {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(204, 255, 0, 0.05), transparent);
  z-index: 1;
  pointer-events: none;
}

#imageSlider {
  width: 100%;
  height: 100%;
  position: relative;
}

#imageSlider img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity 0.5s ease;
  padding: var(--spacing-md);
}

#imageSlider img.active {
  opacity: 1;
}

.slider-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
}

.slider-nav button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--text-muted);
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.slider-nav button.active {
  background-color: var(--primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  width: 100%;
  margin-top: var(--spacing-xl);
}

.feature-item {
  background-color: var(--card-bg);
  border-radius: 8px;
  padding: var(--spacing-lg);
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.feature-icon {
  width: 56px;
  height: 56px;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  stroke-width: 1.5px;
  background-color: rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.feature-icon.timing {
  color: var(--primary);
  filter: brightness(1.2);
}

.feature-icon.signatures {
  color: #8899BB;
  background-color: rgba(136, 153, 187, 0.15);
}

.feature-icon.platform {
  color: #6D80A2;
  background-color: rgba(109, 128, 162, 0.15);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

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

.download-section {
  padding: var(--spacing-xl) 0;
  text-align: center;
  background: linear-gradient(135deg, rgba(51, 51, 51, 0.8), rgba(77, 96, 130, 0.6));
  border-radius: 8px;
  margin: var(--spacing-xl) auto;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-color);
  max-width: 1200px;
}

.download-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    repeating-linear-gradient(0deg, transparent, transparent 19px, rgba(204, 255, 0, 0.02) 19px, rgba(204, 255, 0, 0.02) 20px),
    repeating-linear-gradient(90deg, transparent, transparent 19px, rgba(204, 255, 0, 0.02) 19px, rgba(204, 255, 0, 0.02) 20px);
  background-size: 20px 20px;
  opacity: 0.3;
  z-index: 0;
}

.os-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
  position: relative;
  z-index: 1;
}

.os-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--text-primary);
  transition: transform 0.3s ease;
}

.os-link:hover {
  transform: translateY(-5px);
}

.os-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--spacing-sm);
}

.os-name {
  font-weight: 600;
  font-size: 1.1rem;
}

.pricing-section {
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.pricing-card {
  background-color: var(--card-bg);
  border-radius: 8px;
  padding: var(--spacing-xl);
  border: 1px solid var(--border-color);
  max-width: 500px;
  margin: var(--spacing-xl) auto;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.pricing-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.pricing-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: var(--spacing-md);
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: var(--spacing-lg) 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pricing-feature {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pricing-feature::before {
  content: '✓';
  color: var(--primary);
  margin-right: var(--spacing-sm);
  font-weight: 700;
}

.pricing-button {
  width: 100%;
  padding: var(--spacing-md) 0;
  background-color: var(--primary);
  color: var(--secondary);
  border: none;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease;
  font-size: 1rem;
}

.pricing-button:hover {
  background-color: var(--primary-dark);
}

.footer {
  position: relative;
  width: 100%;
  background-color: var(--secondary);
  border-top: 1px solid var(--border-color);
  margin-top: var(--spacing-xl);
  overflow: hidden;
}

.footer-wave {
  position: relative;
  width: 100%;
  height: 100px;
  overflow: hidden;
}

.footer-wave svg {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.footer-wave path {
  fill: var(--primary);
  opacity: 0.1;
}

.footer-content {
  padding: var(--spacing-xl) 0;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
}

.footer-column {
  display: flex;
  flex-direction: column;
}

.footer-column-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--primary);
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: var(--spacing-sm);
  transition: color 0.3s ease;
}

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

.footer-text {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.social-link {
  color: var(--text-secondary);
  font-size: 1.25rem;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.copyright {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-nav {
  display: flex;
  gap: var(--spacing-md);
}

.footer-nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.mobile-menu-icon {
  color: var(--text-primary);
  font-size: 1.5rem;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--secondary);
  z-index: 200;
  padding: var(--spacing-xl);
  flex-direction: column;
}

.mobile-menu.active {
  display: flex;
}

.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.mobile-menu-close {
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.mobile-nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 500;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border-color);
  transition: color 0.3s ease;
}

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

.mobile-cta {
  margin-top: var(--spacing-xl);
}

.digital-display {
  font-family: 'Roboto Mono', monospace;
  background-color: #111111;
  color: var(--primary);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: 4px;
  display: inline-block;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 2px;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5);
  border: 1px solid #444444;
  margin-bottom: var(--spacing-md);
}

@media (max-width: 992px) {
  .hero-content {
    flex-direction: column;
  }
  
  .hero-text {
    max-width: 100%;
    text-align: center;
  }
  
  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
  }

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

  .hero-title {
    font-size: 2rem;
  }
  
  .slider-container {
    height: 400px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
}

@media (max-width: 576px) {
  .slider-container {
    height: 300px;
  }
  
  .os-links {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
}