/* ==========================================================================
   MAIN.CSS - Global Design Tokens, Reset & Grid Architecture
   ========================================================================== */

/* 1. Global Box-Sizing & CSS Variables Defaults */
:root {
  /* Default Font Families */
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-mono: 'JetBrains Mono', Consolas, monospace;
  --font-handwriting: 'Courier Prime', monospace;

  /* Default Spacing & Radius */
  --border-radius: 16px;
  --glass-blur: 12px;
  --glow-intensity: 0.6;
  --max-width: 1300px;
  --transition-speed: 0.4s;
  
  /* Fallback Color Palette (IDE Default) */
  --bg-primary: #1e1e2e;
  --bg-secondary: #181825;
  --bg-card: rgba(30, 30, 46, 0.75);
  --border-color: rgba(137, 180, 250, 0.2);
  --text-primary: #cdd6f4;
  --text-secondary: #a6adc8;
  --accent-color: #89b4fa;
  --accent-secondary: #cba6f7;
  --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* 2. Resets */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

/* 3. Typography Defaults */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

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

a:hover {
  opacity: 0.85;
}

ul {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* 4. Canvas Positioning (Full Document Coverage) */
body {
  position: relative;
  min-height: 100vh;
}

#bg-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* 5. Layout Containers */
main,
section,
.hero-section,
.section-padding,
.footer-section,
.timeline-container,
.culture-grid,
.tools-grid,
.main-container {
  background: transparent !important;
  position: relative;
  z-index: 2;
}

.main-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 6rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
  position: relative;
  z-index: 2;
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 0.75rem;
  line-height: 1.3;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 750px;
  margin: 0.5rem auto 0 auto;
  width: 100%;
}

/* 6. Utility Grid & Responsive Layouts */
@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  .section-padding {
    padding: 4rem 0;
  }
}

/* 7. Lenis Smooth Scroll CSS Overrides */
html.lenis, html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

.lenis.lenis-smooth iframe {
  pointer-events: none;
}