/* Critical CSS - previously inlined for fast first paint */
/* Now loaded via link tag with media="print" onload="this.media='all'" for async loading */

/* CSS Variables (needed for theming immediately) */
:root {
  --bg: #0c0c0c;
  --surface: #111;
  --surface2: #161616;
  --border: #1e1e1e;
  --border-bright: #2e2e2e;
  --text: #c8c8c8;
  --muted: #555;
  --accent: #00d4aa;
  --accent2: #7c6af7;
  --warn: #e5a84b;
  --err: #e06c75;
  --term-bar: #161616;
  --scanline: rgba(0, 0, 0, 0.04);
  --glow-color: rgba(0, 212, 170, 0.05);
}

/* Light theme variables */
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --bg: #f9f9fb;
    --surface: #ffffff;
    --surface2: #f0f1f5;
    --border: #dde0ea;
    --border-bright: #c8ccd8;
    --text: #2c2f3d;
    --muted: #8b90a8;
    --accent: #008ec4;
    --accent2: #7c5af5;
    --warn: #da6800;
    --err: #d43552;
    --term-bar: #e8eaf0;
    --scanline: rgba(0, 0, 0, 0.015);
    --glow-color: rgba(0, 142, 196, 0.06);
  }
}

/* Base reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 14px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Critical navigation styles */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 2rem;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

/* Critical hero styles */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem 2rem 2rem;
  max-width: 860px;
  margin: 0 auto;
}

section {
  padding: 6rem 2rem;
  max-width: 860px;
  margin: 0 auto;
}

/* CLS Optimizations - reserve space for dynamic content */
#tw {
  min-height: 1.2em;
  display: inline-block;
}

/* Prevent layout shifts from images */
img {
  max-width: 100%;
  height: auto;
}