/* Equilateral AI Multi-Page Website Styles */

:root {
  --primary-color: #2563eb;
  --secondary-color: #7c3aed;
  --success-color: #16a34a;
  --warning-color: #ea580c;
  --danger-color: #dc2626;
  --urgent-color: #ef4444;
  --dark-color: #1e293b;
  --light-color: #f8fafc;
  --text-color: #334155;
  --text-light: #64748b;
  --border-color: #e2e8f0;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --gradient-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  --gradient-success: linear-gradient(135deg, #16a34a 0%, #059669 100%);
  --gradient-urgent: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  
  /* Enhanced color contrast variables */
  --highlight-color: #2563eb; /* Darker blue for better contrast */
  --text-muted: #94a3b8; /* Lighter for better contrast on dark */
  --text-secondary: #cbd5e1; /* Better contrast on dark backgrounds */
  --background-card-light: #ffffff; /* Pure white for maximum contrast */
  --card-text-primary: #111827; /* Much darker for better contrast */
  --card-text-secondary: #374151; /* Darker secondary text */
  --card-text-muted: #6b7280; /* Darker muted text */
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background: var(--light-color);
  font-weight: 400;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--dark-color);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-color);
}

/* Header */
header {
  background: white;
  box-shadow: var(--shadow);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color);
  gap: 0.5rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--primary-color);
}

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

.nav-links a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: all 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary-color);
  background: rgba(37, 99, 235, 0.1);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-color);
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: white;
  z-index: 2000;
  padding: 2rem;
}

.mobile-menu-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-color);
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 4rem;
}

.mobile-menu-content a {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-color);
  text-decoration: none;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
}

/* Main Content */
main {
  margin-top: 80px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: white;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

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

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* Hero Sections */
.hero, .page-hero {
  background: var(--gradient-primary);
  color: white;
  padding: 6rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 2rem;
  line-height: 1.1;
}

.highlight {
  background: linear-gradient(45deg, #fbbf24, #f59e0b);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
  margin-top: 0.5rem;
}

.hero-description, .hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 3rem;
  opacity: 0.95;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-stats, .tech-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.stat, .tech-stat {
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: #fbbf24;
  display: block;
  line-height: 1;
}

.stat-label {
  font-size: 1rem;
  opacity: 0.9;
  font-weight: 500;
  margin-top: 0.5rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 3rem;
  flex-wrap: wrap;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

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

/* Grid Layouts */
.value-grid, .use-case-grid, .agent-categories, .architecture-grid, .workflow-grid, .enterprise-grid, .response-grid {
  display: grid;
  gap: 2rem;
  margin: 4rem 0;
}

.value-grid { grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); }
.use-case-grid { grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); }
.architecture-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.workflow-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.enterprise-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.response-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* Cards */
.value-card, .use-case-card, .arch-item, .workflow-item, .enterprise-item, .response-item {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.value-card:hover, .use-case-card:hover, .arch-item:hover, .workflow-item:hover, .enterprise-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.value-icon, .arch-icon, .enterprise-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.value-card h3, .use-case-card h3, .arch-item h3, .workflow-item h3, .enterprise-item h3 {
  margin-bottom: 1rem;
  color: var(--card-text-primary) !important;
}

/* Enhanced card text contrast with !important declarations */
.value-card p, .use-case-card p, .arch-item p, .workflow-item p, .enterprise-item p {
  color: var(--card-text-secondary) !important;
}

.value-card, .use-case-card, .arch-item, .workflow-item, .enterprise-item {
  background: var(--background-card-light) !important;
}

/* Use Case Cards */
.use-case-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.use-case-metric {
  background: var(--gradient-success);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

.use-case-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.use-case-features span {
  background: var(--light-color);
  color: var(--text-color);
  padding: 0.25rem 0.75rem;
  border-radius: 15px;
  font-size: 0.875rem;
  font-weight: 500;
}

/* Agent Network Visualization */
.hero-visual {
  margin-top: 4rem;
  display: flex;
  justify-content: center;
}

.agent-network {
  position: relative;
  width: 400px;
  height: 300px;
}

.agent-node {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
  color: white;
  transition: all 0.3s;
  cursor: pointer;
}

.agent-node:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}

.agent-primary { top: 20px; left: 50%; transform: translateX(-50%); }
.agent-security { top: 80px; left: 20px; }
.agent-deployment { top: 80px; right: 20px; }
.agent-testing { top: 160px; left: 50px; }
.agent-compliance { top: 160px; right: 50px; }

.agent-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.agent-label {
  font-size: 0.875rem;
  font-weight: 600;
}

/* Technology Sections */
.tech-preview {
  background: white;
  padding: 6rem 0;
}

.tech-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.tech-features {
  list-style: none;
  margin: 2rem 0;
}

.tech-features li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
  position: relative;
  padding-left: 2rem;
}

.tech-features li::before {
  content: "✓";
  color: var(--success-color);
  font-weight: bold;
  position: absolute;
  left: 0;
}

.agent-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.agent-layer {
  background: var(--light-color);
  border-radius: 8px;
  padding: 1.5rem;
  border-left: 4px solid var(--primary-color);
}

.layer-label {
  font-weight: 600;
  color: var(--dark-color);
  margin-bottom: 0.75rem;
}

.layer-agents {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.agent-pill {
  background: white;
  color: var(--primary-color);
  padding: 0.25rem 0.75rem;
  border-radius: 15px;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--primary-color);
}

/* Agent Categories */
.agent-category {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: var(--shadow);
}

.category-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
}

.category-count {
  background: var(--primary-color);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.875rem;
}

.agent-list {
  display: grid;
  gap: 0.75rem;
}

.agent-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

.agent-name {
  font-weight: 500;
  color: var(--dark-color);
}

.agent-methods {
  color: var(--text-light);
  font-size: 0.875rem;
  font-weight: 600;
}

/* Contact Form */
.contact-form-section {
  padding: 6rem 0;
  background: white;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-options {
  margin: 3rem 0;
}

.contact-option {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--light-color);
  border-radius: 8px;
}

.option-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.contact-details {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--border-color);
}

.contact-detail {
  margin-bottom: 1rem;
}

.contact-detail a {
  color: var(--primary-color);
  text-decoration: none;
}

/* Form Styles */
.form {
  background: var(--light-color);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--dark-color);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.checkbox-group {
  display: grid;
  gap: 0.75rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  font-weight: normal;
  margin-bottom: 0;
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.checkmark {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-color);
  border-radius: 3px;
  position: relative;
  transition: all 0.2s;
}

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

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
  content: "✓";
  color: white;
  position: absolute;
  top: -2px;
  left: 2px;
  font-weight: bold;
  font-size: 12px;
}

.consent-label {
  background: white;
  padding: 1rem;
  border-radius: 6px;
  border: 2px solid var(--border-color);
}

/* Form Messages */
.form-success, .form-error {
  margin-top: 2rem;
  padding: 2rem;
  border-radius: 8px;
  text-align: center;
}

.form-success {
  background: #f0fdf4;
  border: 2px solid var(--success-color);
}

.form-error {
  background: #fef2f2;
  border: 2px solid var(--danger-color);
}

.success-icon, .error-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.ticket-info {
  background: white;
  padding: 1rem;
  border-radius: 6px;
  margin-top: 1rem;
  font-family: 'Courier New', monospace;
}

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

.response-priority {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.response-priority.urgent { background: var(--urgent-color); color: white; }
.response-priority.high { background: var(--warning-color); color: white; }
.response-priority.medium { background: var(--primary-color); color: white; }
.response-priority.low { background: var(--text-light); color: white; }

/* Patent Section */
.patent-section {
  padding: 6rem 0;
  background: white;
}

.patent-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.patent-card {
  background: var(--light-color);
  padding: 2rem;
  border-radius: 12px;
  border-left: 6px solid var(--primary-color);
}

.patent-details {
  margin: 2rem 0;
}

.patent-detail {
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.feature-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.feature-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
}

.feature-content h4 {
  margin-bottom: 0.5rem;
  color: var(--dark-color);
}

/* Workflow Steps */
.workflow-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.step {
  background: var(--primary-color);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
}

/* API Section */
.api-section {
  padding: 6rem 0;
  background: var(--dark-color);
  color: white;
}

.api-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.api-endpoint {
  background: rgba(255, 255, 255, 0.1);
  padding: 1rem;
  border-radius: 6px;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  margin: 2rem 0;
  word-break: break-all;
}

.api-features {
  margin: 2rem 0;
}

.api-feature {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.api-example {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 8px;
}

.api-example pre {
  background: rgba(0, 0, 0, 0.3);
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  margin-top: 1rem;
}

.api-example code {
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  color: #a3a3a3;
}

/* CTA Section */
.cta-section {
  background: var(--gradient-primary);
  color: white;
  padding: 6rem 0;
  text-align: center;
}

.cta-content h2 {
  color: white;
  margin-bottom: 1rem;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
  flex-wrap: wrap;
}

/* Footer */
footer {
  background: var(--dark-color);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
  font-size: 1.25rem;
}

.footer-section h4 {
  color: white;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

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

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

.footer-section ul li a {
  color: #a3a3a3;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-section ul li a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 2rem;
  text-align: center;
  color: #a3a3a3;
  font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
  
  .nav-container {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-large {
    width: 100%;
    max-width: 300px;
  }
  
  .tech-content,
  .contact-layout,
  .patent-content,
  .api-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .hero-stats,
  .tech-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .value-grid,
  .use-case-grid,
  .architecture-grid,
  .workflow-grid,
  .enterprise-grid,
  .response-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .agent-categories {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-stats,
  .tech-stats {
    grid-template-columns: 1fr;
  }
  
  .stat-number {
    font-size: 2.5rem;
  }
  
  .contact-option {
    flex-direction: column;
    text-align: center;
  }
}