/* ========================================
   LindyInfra - Alexandrian Aesthetic
   Timeless, Knowledge-Forward Design
======================================== */

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

:root {
  /* Light Mode Color Palette */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #f1f3f4;
  --bg-card: #ffffff;

  /* Typography Colors */
  --text-primary: #1a1a1a;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --text-mono: #2d3748;

  /* Accent Colors */
  --accent-primary: #4a90e2;
  --accent-secondary: #48bb78;
  --accent-hover: #3182ce;

  /* Structure */
  --border-color: #e2e8f0;
  --border-hover: #cbd5e0;
  --divider-color: #edf2f7;

  /* Spacing System */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;
  --space-3xl: 96px;

  /* Grid */
  --max-width: 1240px;
  --grid-gap: 32px;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography System */
.mono {
  font-family: "JetBrains Mono", "Roboto Mono", "SF Mono", monospace;
  font-weight: 400;
}

.text-mono {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.875rem;
  color: var(--text-mono);
  letter-spacing: 0.025em;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

/* Navigation - Minimal and Structured */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-lg);
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

.logo-text {
  font-family: "JetBrains Mono", monospace;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 0.05em;
}

/* Hero Section - Quiet Confidence */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-lg) var(--space-2xl);
  text-align: left;
}

.hero-content {
  max-width: 720px;
}

.hero-headline {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.hero-subheadline {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.5;
  font-style: italic;
}

/* Remove animated background - too flashy for Alexandrian aesthetic */
.hero-background {
  display: none;
}

/* Hero Image */
.hero-image {
  width: 100%;
  max-width: 100%;
  height: auto;
  margin-top: var(--space-2xl);
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

/* Button System - Bordered Mono Style */
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  border: 1px solid var(--border-hover);
  border-radius: 4px;
  background: transparent;
  color: var(--text-primary);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 0.025em;
}

.cta-button:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

.cta-button.primary {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

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

/* Section Structure - Card-Based Layout */
section {
  padding: var(--space-3xl) 0;
  border-bottom: 1px solid var(--divider-color);
}

section:last-of-type {
  border-bottom: none;
}

.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Section Headers */
.section-header {
  margin-bottom: var(--space-xl);
  text-align: center;
}

.section-title {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  font-family: "JetBrains Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.75rem;
}

/* Highlights Section - Structured Grid */
.highlights {
  background: var(--bg-secondary);
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.highlight-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: var(--space-lg);
  transition: border-color 0.2s ease;
}

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

.highlight-meta {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.highlight-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.highlight-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.highlight-card.centered {
  grid-column: 1 / -1;
  max-width: 320px;
  justify-self: center;
}

/* Workflow Section - Step-by-Step Cards */
.workflow {
  background: var(--bg-primary);
}

.workflow-steps {
  display: grid;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.workflow-step {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.step-meta {
  padding-top: var(--space-sm);
}

.step-number {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.step-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.step-interface {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.step-interface:hover {
  border-color: var(--border-hover);
}

.interface-header {
  background: var(--bg-tertiary);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.interface-title {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.interface-content {
  padding: var(--space-md);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8125rem;
  line-height: 1.6;
}

/* Code Styling */
.code-line {
  margin-bottom: var(--space-xs);
  color: var(--text-mono);
}

.code-keyword {
  color: var(--accent-primary);
}

.code-string {
  color: var(--accent-secondary);
}

.code-comment {
  color: var(--text-muted);
}

/* Task List Styling */
.task-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  color: var(--text-secondary);
}

.task-checkbox {
  color: var(--accent-primary);
  font-weight: 500;
}

.task-item.completed .task-text {
  color: var(--accent-secondary);
  text-decoration: line-through;
}

/* Azure Resource Display */
.azure-resource {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.resource-info {
  flex: 1;
}

.resource-name {
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.resource-status {
  font-size: 0.75rem;
  color: var(--accent-secondary);
}

.verification-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: rgba(180, 255, 176, 0.1);
  color: var(--accent-secondary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
  font-size: 0.75rem;
  border: 1px solid rgba(180, 255, 176, 0.2);
  font-family: "JetBrains Mono", monospace;
}

/* GitHub Badge */
.github-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--accent-primary);
  color: var(--bg-primary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  font-family: "JetBrains Mono", monospace;
}

/* Benefits Section */
.benefits {
  background: var(--bg-secondary);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.benefit-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: var(--space-lg);
  transition: border-color 0.2s ease;
}

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

.benefit-meta {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.benefit-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.benefit-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* FAQ Section */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  margin-top: var(--space-xl);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) var(--space-lg);
  background: var(--bg-card);
  border: none;
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: background-color 0.2s ease;
}

.faq-question:hover {
  color: var(--accent-primary);
}

.faq-icon {
  font-size: 1.5rem;
  transition: transform 0.2s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

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

/* Final CTA Section */
.final-cta {
  text-align: center;
  background: var(--bg-primary);
}

.final-cta-title {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.final-cta-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.signup-form {
  max-width: 500px;
  margin: 0 auto;
}

.form-group {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.form-group input {
  flex: 1;
  padding: var(--space-md);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: "JetBrains Mono", monospace;
  transition: border-color 0.2s ease;
}

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

.form-group input::placeholder {
  color: var(--text-muted);
}

.success-message {
  text-align: center;
  color: var(--accent-secondary);
  font-weight: 500;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--divider-color);
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  text-align: center;
}

.footer p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-container {
    padding: var(--space-md);
  }

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

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

  .highlights-grid {
    grid-template-columns: 1fr;
  }

  .workflow-grid {
    grid-template-columns: 1fr;
  }

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

  .form-group {
    flex-direction: column;
  }

  .form-group .cta-button {
    width: 100%;
  }

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

  .hero-headline {
    font-size: 2.5rem;
  }

  .workflow h2,
  .benefits h2,
  .faq h2,
  .final-cta h2 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .highlight-card,
  .benefit-card {
    padding: var(--space-lg);
  }

  .interface-content {
    padding: var(--space-md);
  }

  .hero-headline {
    font-size: 2rem;
  }

  .hero-subheadline {
    font-size: 1.1rem;
  }
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

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

.highlight-item,
.workflow-item,
.benefit-item {
  animation: fadeInUp 0.6s ease forwards;
}

/* Accessibility */
.cta-button:focus,
.faq-question:focus,
input:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Hero Glass Card */
.hero-glass {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--space-xl) var(--space-2xl);
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

/* XP Tracker */
.xp-tracker {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: var(--space-md);
}

/* Command Palette Cue */
.cmd-k-cue {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: var(--space-xs) var(--space-md);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: var(--text-secondary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  cursor: default;
}

/* Workflow Panels */
.workflow-panels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.panel-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  text-align: center;
  display: flex;
  flex-direction: column;
}

.panel-card img {
  width: 100%;
  height: auto;
  display: block;
  flex: 1 0 auto;
  object-fit: contain;
}

.panel-caption {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: var(--space-sm);
  border-top: 1px solid var(--border-color);
  flex-shrink: 0;
}

/* Section Caption */
.section-caption {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  max-width: 720px;
  margin: var(--space-lg) auto var(--space-2xl);
  text-align: center;
}

/* Azure Text Badge (Legal Alternative) */
.azure-text-badge {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  background: rgba(74, 144, 226, 0.1);
  border: 1px solid rgba(74, 144, 226, 0.3);
  border-radius: 6px;
  padding: var(--space-xs) var(--space-sm);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: var(--accent-primary);
  z-index: 3;
  opacity: 0.8;
}

.azure-text-badge span {
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.azure-workflow-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: rgba(74, 144, 226, 0.1);
  border: 1px solid rgba(74, 144, 226, 0.2);
  border-radius: 6px;
  padding: var(--space-xs) var(--space-sm);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: var(--accent-primary);
  margin-top: var(--space-sm);
}

.azure-workflow-badge img {
  width: 16px;
  height: 16px;
}

.azure-section-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.azure-section-logo img {
  width: 24px;
  height: 24px;
  opacity: 0.7;
}

.azure-section-logo span {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}