/* Base CSS - Variables, Reset, Body Styling */

:root {
  /* Foundation */
  --bg: #f1f0ee;
  --ink: #1a1a1a;
  --muted: #555555;
  --surface: #ffffff;
  --surface-hover: #f5f5f3;
  --border: #eeeeee;
  --border-hover: #dddddd;

  /* Accents */
  --red: #e63946;
  --teal: #0e7490;
  --amber: #f59e0b;
  --green: #10b981;

  /* Semantic aliases */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;

  /* Translucent accents */
  --red-light: rgba(230, 57, 70, 0.08);
  --teal-light: rgba(8, 145, 178, 0.05);
  --amber-light: rgba(245, 158, 11, 0.05);
  --green-light: rgba(16, 185, 129, 0.08);

  /* Typography */
  --font-heading: 'Space Grotesk', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-pill: 20px;

  /* Grid background */
  --grid-size: 44px;
  --grid-color: rgba(0, 0, 0, 0.04);
}

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

body {
  font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.6;
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
}

/* Header */
.site-header { display: flex; justify-content: center; padding: 0 48px; }
.header-inner { max-width: 1080px; width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 32px 0; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-logo { width: 32px; height: 32px; object-fit: contain; }
.brand-name { font-family: var(--font-heading); font-size: 18px; font-weight: 600; color: var(--ink); letter-spacing: -0.5px; }
.header-nav { display: flex; align-items: center; gap: 32px; }
.header-nav a { font-family: var(--font-heading); font-size: 14px; font-weight: 500; color: var(--muted); text-decoration: none; transition: color 0.15s ease; }
.header-nav a:hover, .header-nav a.active { color: var(--ink); }
.nav-cta { background: var(--ink); color: #fff !important; font-family: var(--font-mono); font-size: 12px; font-weight: 600; padding: 10px 24px; border-radius: var(--radius-sm); letter-spacing: 1px; text-transform: uppercase; transition: opacity 0.15s ease; }
.nav-cta:hover { opacity: 0.85; }

/* Footer */
.site-footer { display: flex; justify-content: center; padding: 0 48px; }
.footer-inner { max-width: 1080px; width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 64px 0 32px; margin-top: 80px; border-top: 1px solid var(--border); }
.footer-brand { font-family: var(--font-heading); font-size: 14px; font-weight: 600; color: var(--muted); }
.footer-llms { font-family: var(--font-mono); font-size: 11px; color: var(--muted); letter-spacing: 0.5px; text-decoration: none; transition: color 0.15s ease; }
.footer-llms:hover { color: var(--ink); }
.footer-copy { font-family: var(--font-mono); font-size: 11px; color: var(--muted); letter-spacing: 0.5px; }

/* Docs layout */
.docs-wrapper {
    max-width: 1080px;
    margin: 0 auto;
    display: flex;
    padding: 0 48px 80px;
    gap: 0;
}
.docs-main {
    flex: 1;
    min-width: 0;
    max-width: 720px;
}
.docs-title {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -1px;
    margin-bottom: 32px;
}

/* Sidebar */
.docs-sidebar { width: 220px; position: sticky; top: 32px; align-self: start; padding-right: 32px; }
.sidebar-group { margin-bottom: 24px; }
.sidebar-group-label { font-family: var(--font-mono); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; color: var(--muted); margin-bottom: 8px; }
.docs-sidebar ul { list-style: none; padding: 0; margin: 0; }
.docs-sidebar li a { display: block; font-family: var(--font-heading); font-size: 14px; color: var(--muted); text-decoration: none; padding: 6px 0; transition: color 0.15s ease; }
.docs-sidebar li a:hover, .docs-sidebar li a.active { color: var(--ink); }
.docs-sidebar li a.active { font-weight: 600; }

/* Prev/Next */
.prev-next { display: flex; justify-content: space-between; gap: 24px; margin-top: 64px; padding-top: 32px; border-top: 1px solid var(--border); }
.prev-next-link { text-decoration: none; display: flex; flex-direction: column; gap: 4px; }
.prev-next-link.next { text-align: right; margin-left: auto; }
.prev-next-label { font-family: var(--font-mono); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; color: var(--muted); }
.prev-next-title { font-family: var(--font-heading); font-size: 16px; font-weight: 600; color: var(--teal); transition: opacity 0.15s ease; }
.prev-next-link:hover .prev-next-title { opacity: 0.8; }

/* Blog */
.blog-wrapper { max-width: 1080px; margin: 0 auto; padding: 0 48px 80px; }
.blog-heading { font-family: var(--font-heading); font-size: 32px; font-weight: 700; color: var(--ink); letter-spacing: -1px; margin-bottom: 32px; }
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.blog-card { display: block; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px; text-decoration: none; transition: border-color 0.15s ease; }
.blog-card:hover { border-color: var(--border-hover); }
.blog-card-title { font-family: var(--font-heading); font-size: 18px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.blog-card-desc { font-size: 14px; color: var(--muted); margin-bottom: 12px; line-height: 1.6; }
.blog-card-meta { font-family: var(--font-mono); font-size: 11px; color: var(--muted); letter-spacing: 0.5px; }
.blog-post-wrapper { max-width: 720px; margin: 0 auto; padding: 0 48px 80px; }
.blog-post-header { margin-bottom: 32px; }
.blog-post-title { font-family: var(--font-heading); font-size: 32px; font-weight: 700; color: var(--ink); letter-spacing: -1px; margin-bottom: 8px; }
.blog-post-meta { font-family: var(--font-mono); font-size: 12px; color: var(--muted); letter-spacing: 0.5px; }

/* Responsive */
@media (max-width: 768px) {
  .site-header { padding: 0 24px; }
  .header-inner { padding: 24px 0; }
  .docs-wrapper { flex-direction: column; padding: 0 24px 60px; }
  .docs-sidebar { width: 100%; position: static; padding-right: 0; padding-bottom: 24px; }
  .blog-wrapper { padding: 0 24px 60px; }
  .blog-post-wrapper { padding: 0 24px 60px; }
  .site-footer { padding: 0 24px; }
}

@media (max-width: 480px) {
  .header-nav { gap: 16px; }
  .blog-grid { grid-template-columns: 1fr; }
  .prev-next { flex-direction: column; }
  .prev-next-link.next { text-align: left; margin-left: 0; }
}