/* ===================================
   CSS Reset and Base Styles
   =================================== */

/* Modern CSS Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Root Variables for Consistent Design */
:root {
  /* Colors */
  --color-primary: #e67e22; /* Orange from logo */
  --color-primary-dark: #d35400; /* Darker orange for hover */
  --color-secondary: #2c3e50; /* Dark blue-gray */
  --color-accent: #3498db; /* Blue for links */
  --color-success: #27ae60; /* Green for success indicators */

  /* Neutral Colors */
  --color-white: #ffffff;
  --color-gray-50: #f8f9fa;
  --color-gray-100: #e9ecef;
  --color-gray-200: #dee2e6;
  --color-gray-300: #ced4da;
  --color-gray-600: #6c757d;
  --color-gray-800: #343a40;
  --color-gray-900: #212529;

  /* Typography */
  --font-family-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono',
    Consolas, 'Courier New', monospace;

  /* Font Sizes */
  --font-size-xs: 0.75rem; /* 12px */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-base: 1rem; /* 16px */
  --font-size-lg: 1.125rem; /* 18px */
  --font-size-xl: 1.25rem; /* 20px */
  --font-size-2xl: 1.5rem; /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem; /* 36px */
  --font-size-5xl: 3rem; /* 48px */

  /* Spacing */
  --spacing-xs: 0.25rem; /* 4px */
  --spacing-sm: 0.5rem; /* 8px */
  --spacing-md: 1rem; /* 16px */
  --spacing-lg: 1.5rem; /* 24px */
  --spacing-xl: 2rem; /* 32px */
  --spacing-2xl: 3rem; /* 48px */
  --spacing-3xl: 4rem; /* 64px */

  /* Layout */
  --container-max-width: 1200px;
  --header-height: 70px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-base: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
}

/* Base HTML and Body Styles */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===================================
   Typography
   =================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-4xl);
}
h2 {
  font-size: var(--font-size-3xl);
}
h3 {
  font-size: var(--font-size-2xl);
}
h4 {
  font-size: var(--font-size-xl);
}
h5 {
  font-size: var(--font-size-lg);
}
h6 {
  font-size: var(--font-size-base);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-gray-600);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary);
}

/* ===================================
   Layout Components
   =================================== */

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

.section {
  padding: var(--spacing-3xl) 0;
}

.section--alternate {
  background-color: var(--color-gray-50);
}

.section--compact {
  padding: var(--spacing-xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* ===================================
   Header and Navigation
   =================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-200);
  z-index: 1000;
  transition: all var(--transition-base);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
  font-size: var(--font-size-xl);
  color: var(--color-secondary);
}

.logo {
  height: 40px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  list-style: none;
}

.nav-link {
  color: var(--color-gray-600);
  font-weight: 500;
  padding: var(--spacing-sm) 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

.nav-link--external::after {
  content: '↗';
  margin-left: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

/* Mobile Navigation Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 30px;
  height: 30px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger {
  width: 20px;
  height: 2px;
  background-color: var(--color-gray-800);
  transition: all var(--transition-base);
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 2px;
  background-color: var(--color-gray-800);
  transition: all var(--transition-base);
}

.hamburger::before {
  top: -6px;
}

.hamburger::after {
  bottom: -6px;
}

/* ===================================
   Main Content Styles
   =================================== */

.main {
  margin-top: var(--header-height);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
  background: linear-gradient(
    135deg,
    var(--color-gray-50) 0%,
    var(--color-white) 100%
  );
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

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

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--color-secondary);
}

.hero-tagline {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
  font-style: italic;
  letter-spacing: 0.5px;
}

/* Responsive tagline sizing */
@media (max-width: 768px) {
  .hero-tagline {
    font-size: var(--font-size-xl);
  }
}

@media (max-width: 480px) {
  .hero-tagline {
    font-size: var(--font-size-lg);
  }
}

.highlight {
  color: var(--color-primary);
  position: relative;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-3xl);
}

/* Trust Indicators */
.trust-indicators {
  display: flex;
  justify-content: center;
  gap: var(--spacing-2xl);
  flex-wrap: wrap;
}

.indicator {
  text-align: center;
}

.indicator-value {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
}

.indicator-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ===================================
   Logo Showcase Section
   =================================== */

.logo-showcase {
  background: linear-gradient(
    135deg,
    var(--color-white) 0%,
    var(--color-gray-50) 100%
  );
  text-align: center;
}

.logo-showcase-content {
  max-width: 400px;
  margin: 0 auto;
}

.logo-large {
  width: 250px;
  height: auto;
  margin-bottom: var(--spacing-lg);
  transition: transform var(--transition-base);
}

.logo-large:hover {
  transform: scale(1.05);
}

.logo-description {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  font-style: italic;
  margin-bottom: 0;
}

/* Responsive logo sizing */
@media (max-width: 768px) {
  .logo-large {
    width: 190px;
  }
}

@media (max-width: 480px) {
  .logo-large {
    width: 150px;
  }
}

/* ===================================
   Button Styles
   =================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

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

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-secondary);
  border-color: var(--color-gray-300);
}

.btn--secondary:hover {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* ===================================
   Problem/Solution Section
   =================================== */

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
}

.comparison-item {
  background-color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-base);
}

.comparison-item--problem {
  border-left: 4px solid var(--color-gray-400);
}

.comparison-item--solution {
  border-left: 4px solid var(--color-primary);
}

.comparison-title {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-lg);
}

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

.comparison-list li {
  padding: var(--spacing-sm) 0;
  position: relative;
  padding-left: var(--spacing-lg);
}

.comparison-item--problem .comparison-list li::before {
  content: '×';
  position: absolute;
  left: 0;
  color: var(--color-gray-400);
  font-weight: bold;
}

.comparison-item--solution .comparison-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: bold;
}

/* ===================================
   Benefits Section
   =================================== */

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.benefit-card {
  background-color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-base);
  text-align: center;
  transition: transform var(--transition-base),
    box-shadow var(--transition-base);
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.benefit-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-lg);
}

.benefit-title {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

.benefit-description {
  color: var(--color-gray-600);
  line-height: 1.7;
}

/* ===================================
   Demo/Workflow Section
   =================================== */

.workflow-demo {
  max-width: 900px;
  margin: 0 auto;
}

.workflow-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-3xl);
  flex-wrap: wrap;
}

.workflow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
  min-width: 200px;
}

.step-number {
  width: 50px;
  height: 50px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.step-content {
  max-width: 200px;
}

.step-title {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
}

.step-description {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.workflow-arrow {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  font-weight: bold;
}

.demo-screenshot {
  background-color: var(--color-gray-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-base);
}

.screenshot-placeholder {
  padding: var(--spacing-3xl);
  text-align: center;
  color: var(--color-gray-600);
}

.screenshot-placeholder p {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

/* Nodes Screenshot Styling */
.nodes-screenshot {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-base);
  max-width: 800px;
  margin: 0 auto;
  display: block;
}

.nodes-screenshot:hover {
  transform: scale(1.02);
}

/* Responsive screenshot sizing */
@media (max-width: 768px) {
  .nodes-screenshot {
    border-radius: var(--radius-base);
    box-shadow: var(--shadow-base);
  }

  .nodes-screenshot:hover {
    transform: none; /* Disable hover zoom on mobile */
  }
}

/* Screenshot Caption Styling */
.screenshot-caption {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin-top: var(--spacing-lg);
  margin-bottom: 0;
  font-style: italic;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Responsive caption */
@media (max-width: 768px) {
  .screenshot-caption {
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-sm);
    padding: 0 var(--spacing-md);
  }
}

/* ===================================
   Getting Started Section
   =================================== */

.install-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

.install-card {
  background-color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-base);
  border: 2px solid var(--color-gray-200);
  transition: border-color var(--transition-base);
}

.install-card:hover {
  border-color: var(--color-primary);
}

.install-title {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

.install-description {
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-lg);
}

.install-steps {
  margin-bottom: var(--spacing-xl);
}

.install-steps ol {
  padding-left: var(--spacing-lg);
  color: var(--color-gray-600);
}

.install-steps li {
  margin-bottom: var(--spacing-sm);
}

.quick-start {
  background-color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-base);
  text-align: center;
  border: 2px solid var(--color-primary);
}

.quick-start-title {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-lg);
}

.code-preview {
  background-color: var(--color-gray-900);
  border-radius: var(--radius-base);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.code-block {
  font-family: var(--font-family-mono);
  color: var(--color-white);
  font-size: var(--font-size-sm);
}

.quick-start-note {
  margin-bottom: 0;
}

.link {
  color: var(--color-primary);
  font-weight: 500;
}

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

/* ===================================
   Resources Section
   =================================== */

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-2xl);
}

.resource-card {
  background-color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-base);
}

.resource-title {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-xl);
}

.resource-description {
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-lg);
}

.resource-links {
  list-style: none;
}

.resource-links li {
  margin-bottom: var(--spacing-sm);
}

.resource-link {
  color: var(--color-accent);
  font-weight: 500;
  transition: all var(--transition-fast);
  display: inline-block;
}

.resource-link:hover {
  color: var(--color-primary);
  transform: translateX(4px);
}

.resource-link::before {
  content: '→';
  margin-right: var(--spacing-sm);
  transition: transform var(--transition-fast);
}

.resource-link:hover::before {
  transform: translateX(2px);
}

/* ===================================
   Community Support Section
   =================================== */

.community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
}

.community-card {
  background-color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-base);
  text-align: center;
  border: 2px solid var(--color-gray-200);
  transition: border-color var(--transition-base),
    transform var(--transition-base);
}

.community-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.community-title {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-xl);
}

.community-description {
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

/* Responsive community grid */
@media (max-width: 768px) {
  .community-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
}

/* ===================================
   Attribution Section
   =================================== */

.attribution {
  background-color: var(--color-gray-100);
  border-top: 1px solid var(--color-gray-200);
}

.attribution-content {
  text-align: center;
}

.attribution-text {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

.attribution-link {
  color: var(--color-accent);
  font-weight: 500;
}

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

/* ===================================
   Footer
   =================================== */

.footer {
  background-color: var(--color-secondary);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer-logo {
  height: 30px;
  width: auto;
}

.footer-brand-text {
  font-weight: 600;
  font-size: var(--font-size-lg);
}

.footer-links {
  display: flex;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.footer-link {
  color: var(--color-gray-300);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

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

.footer-copyright {
  font-size: var(--font-size-xs);
  color: var(--color-gray-400);
  margin-bottom: 0;
}

/* ===================================
   Responsive Design
   =================================== */

/* Tablet Styles */
@media (max-width: 768px) {
  :root {
    --font-size-4xl: 2rem; /* Reduce hero title size */
    --font-size-5xl: 2.5rem; /* Reduce hero title size */
    --spacing-3xl: 3rem; /* Reduce section padding */
  }

  .container {
    padding: 0 var(--spacing-lg);
  }

  /* Navigation */
  .nav-menu {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  /* Hero adjustments */
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
  }

  /* Workflow arrows */
  .workflow-arrow {
    transform: rotate(90deg);
    margin: var(--spacing-md) 0;
  }

  /* Footer */
  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }
}

/* Mobile Styles */
@media (max-width: 480px) {
  :root {
    --font-size-3xl: 1.5rem;
    --font-size-4xl: 1.75rem;
    --font-size-5xl: 2rem;
    --spacing-2xl: 2rem;
    --spacing-3xl: 2.5rem;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  /* Trust indicators stack */
  .trust-indicators {
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  /* Install cards */
  .install-options {
    grid-template-columns: 1fr;
  }

  /* Resource cards */
  .resources-grid {
    grid-template-columns: 1fr;
  }

  /* Benefits grid */
  .benefits-grid {
    grid-template-columns: 1fr;
  }
}

/* ===================================
    Utility Classes
   =================================== */

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

/* Focus styles for accessibility */
a:focus,
button:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}