/* ==============================================================================
   INNOGEN AI INDUSTRIES — MASTER DESIGN SYSTEM TOKENS
   8-COLOR SYSTEM & SURFACES
   ============================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Exact 8-Color Palette */
  --color-obsidian: #080A0D;      /* 70% Base Canvas Background */
  --color-carbon: #151A20;        /* Card, Section, Panel Background */
  --color-carbon-light: #1C232B;  /* Hover / elevated surface */
  --color-carbon-border: rgba(85, 230, 178, 0.12); /* Subtle technical border */
  
  --color-jade: #55E6B2;          /* Primary Brand CTA, Success, Energy */
  --color-jade-hover: #43d49f;
  --color-jade-glow: rgba(85, 230, 178, 0.22);
  --color-jade-subtle: rgba(85, 230, 178, 0.08);

  --color-gold: #D8B45A;          /* Molten Gold - Store & Premium Accent */
  --color-gold-glow: rgba(216, 180, 90, 0.22);
  --color-gold-subtle: rgba(216, 180, 90, 0.08);

  --color-pearl: #EAF4EF;         /* Ice Pearl - Headings & High-contrast Text */
  --color-mist: #8D9996;          /* Silver Mist - Secondary descriptions */
  --color-mist-dark: #586361;

  --color-azure: #58B8FF;         /* Ion Azure - Technical links & Active states */
  --color-azure-subtle: rgba(88, 184, 255, 0.1);

  --color-violet: #9B7CFF;        /* Nebula Violet - AI Research & Future */
  --color-violet-subtle: rgba(155, 124, 255, 0.1);

  /* Semantic Alerts */
  --color-danger: #FF5A79;
  --color-danger-subtle: rgba(255, 90, 121, 0.12);
  --color-warning: #D8B45A;
  --color-success: #55E6B2;

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* Borders & Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  /* Elevation Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.8);
  --shadow-glow-jade: 0 0 24px var(--color-jade-glow);
  --shadow-glow-gold: 0 0 24px var(--color-gold-glow);

  /* Layout */
  --max-width-site: 1320px;
  --max-width-narrow: 900px;
  --nav-height: 76px;
}

/* Box Sizing & Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-obsidian);
  color: var(--color-pearl);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-obsidian);
  color: var(--color-pearl);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  scroll-behavior: smooth;
}

/* Master Smooth Scrollbars */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(85, 230, 178, 0.25) rgba(8, 10, 13, 0.6);
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: rgba(8, 10, 13, 0.6);
  border-radius: 9999px;
}

::-webkit-scrollbar-thumb {
  background: rgba(85, 230, 178, 0.25);
  border-radius: 9999px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(85, 230, 178, 0.65);
  box-shadow: 0 0 10px rgba(85, 230, 178, 0.4);
}

/* Base Headings & Text */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-pearl);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

p {
  color: var(--color-mist);
  font-size: 1rem;
  line-height: 1.65;
}

a {
  color: var(--color-azure);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

code, pre {
  font-family: var(--font-mono);
}

/* Container Utilities */
.container {
  width: 100%;
  max-width: var(--max-width-site);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.container-narrow {
  max-width: var(--max-width-narrow);
}

/* Section Wrapper */
.section {
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto var(--space-3xl) auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--color-jade-subtle);
  color: var(--color-jade);
  border: 1px solid rgba(85, 230, 178, 0.25);
  margin-bottom: var(--space-md);
}

.section-tag.gold {
  background: var(--color-gold-subtle);
  color: var(--color-gold);
  border-color: rgba(216, 180, 90, 0.25);
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  color: var(--color-pearl);
}

.section-desc {
  font-size: 1.125rem;
  color: var(--color-mist);
}

/* Subtle Technical Grid Background */
.tech-grid-bg {
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
}

/* ==============================================================================
   ACCESSIBILITY & PERFORMANCE MEDIA QUERIES
   ============================================================================== */

/* Visible keyboard focus outline */
:focus-visible {
  outline: 2px solid var(--color-jade) !important;
  outline-offset: 3px !important;
}

/* Skip to main content accessibility link */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-jade);
  color: var(--color-obsidian);
  font-weight: 700;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  z-index: 99999;
  transition: top 0.2s ease;
}

.skip-to-content:focus {
  top: 16px;
}

/* Respect user's motion preference (disable animations on reduced-motion devices) */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}